diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml index 6222b0c6ccea64..70991f2c845848 100644 --- a/.github/workflows/ci.yml +++ b/.github/workflows/ci.yml @@ -67,7 +67,7 @@ jobs: - name: Install dependencies run: npm ci - name: Build - run: npm run build-module + run: npm run build - name: === E2E testing === run: xvfb-run -a npm run test-e2e diff --git a/.github/workflows/read-size.yml b/.github/workflows/read-size.yml index 4962807a83857a..b5da46b5b0582c 100644 --- a/.github/workflows/read-size.yml +++ b/.github/workflows/read-size.yml @@ -37,6 +37,11 @@ jobs: - name: Read bundle sizes id: read-size run: | + # minify the builds to measure their size + npx terser build/three.module.js --module --compress --mangle --output build/three.module.min.js + npx terser build/three.webgpu.js --module --compress --mangle --output build/three.webgpu.min.js + npx terser build/three.webgpu.nodes.js --module --compress --mangle --output build/three.webgpu.nodes.min.js + WEBGL_FILESIZE=$(stat --format=%s build/three.module.min.js) gzip -k build/three.module.min.js WEBGL_FILESIZE_GZIP=$(stat --format=%s build/three.module.min.js.gz) diff --git a/.github/workflows/report-size.yml b/.github/workflows/report-size.yml index 73aea72458ae95..f0f3420ad349a1 100644 --- a/.github/workflows/report-size.yml +++ b/.github/workflows/report-size.yml @@ -73,6 +73,11 @@ jobs: - name: Read sizes id: read-size run: | + # minify the builds to measure their size + npx terser build/three.module.js --module --compress --mangle --output build/three.module.min.js + npx terser build/three.webgpu.js --module --compress --mangle --output build/three.webgpu.min.js + npx terser build/three.webgpu.nodes.js --module --compress --mangle --output build/three.webgpu.nodes.min.js + WEBGL_FILESIZE_BASE=$(stat --format=%s build/three.module.min.js) gzip -k build/three.module.min.js WEBGL_FILESIZE_BASE_GZIP=$(stat --format=%s build/three.module.min.js.gz) diff --git a/build/three.core.min.js b/build/three.core.min.js deleted file mode 100644 index bf26ba30787e57..00000000000000 --- a/build/three.core.min.js +++ /dev/null @@ -1,6 +0,0 @@ -/** - * @license - * Copyright 2010-2026 Three.js Authors - * SPDX-License-Identifier: MIT - */ -const t="185",e={LEFT:0,MIDDLE:1,RIGHT:2,ROTATE:0,DOLLY:1,PAN:2},s={ROTATE:0,PAN:1,DOLLY_PAN:2,DOLLY_ROTATE:3},i=0,r=1,n=2,a=3,o=0,h=1,l=2,c=3,u=0,d=1,p=2,m=0,y=1,g=2,f=3,x=4,b=5,v=6,w=100,M=101,S=102,_=103,A=104,T=200,z=201,C=202,I=203,B=204,k=205,O=206,P=207,R=208,E=209,N=210,V=211,L=212,F=213,D=214,U=0,j=1,W=2,J=3,q=4,H=5,X=6,Y=7,Z=0,G=1,$=2,Q=0,K=1,tt=2,et=3,st=4,it=5,rt=6,nt=7,at="attached",ot="detached",ht=300,lt=301,ct=302,ut=303,dt=304,pt=306,mt=1e3,yt=1001,gt=1002,ft=1003,xt=1004,bt=1004,vt=1005,wt=1005,Mt=1006,St=1007,_t=1007,At=1008,Tt=1008,zt=1009,Ct=1010,It=1011,Bt=1012,kt=1013,Ot=1014,Pt=1015,Rt=1016,Et=1017,Nt=1018,Vt=1020,Lt=35902,Ft=35899,Dt=1021,Ut=1022,jt=1023,Wt=1026,Jt=1027,qt=1028,Ht=1029,Xt=1030,Yt=1031,Zt=1032,Gt=1033,$t=33776,Qt=33777,Kt=33778,te=33779,ee=35840,se=35841,ie=35842,re=35843,ne=36196,ae=37492,oe=37496,he=37488,le=37489,ce=37490,ue=37491,de=37808,pe=37809,me=37810,ye=37811,ge=37812,fe=37813,xe=37814,be=37815,ve=37816,we=37817,Me=37818,Se=37819,_e=37820,Ae=37821,Te=36492,ze=36494,Ce=36495,Ie=36283,Be=36284,ke=36285,Oe=36286,Pe=2200,Re=2201,Ee=2202,Ne=2300,Ve=2301,Le=2302,Fe=2303,De=2400,Ue=2401,je=2402,We=2500,Je=2501,qe=0,He=1,Xe=2,Ye=3200,Ze=3201,Ge=3202,$e=3203,Qe=0,Ke=1,ts="",es="srgb",ss="srgb-linear",is="linear",rs="srgb",ns="",as="rg",os="ga",hs=0,ls=7680,cs=7681,us=7682,ds=7683,ps=34055,ms=34056,ys=5386,gs=512,fs=513,xs=514,bs=515,vs=516,ws=517,Ms=518,Ss=519,_s=512,As=513,Ts=514,zs=515,Cs=516,Is=517,Bs=518,ks=519,Os=35044,Ps=35048,Rs=35040,Es=35045,Ns=35049,Vs=35041,Ls=35046,Fs=35050,Ds=35042,Us="100",js="300 es",Ws=2e3,Js=2001,qs={COMPUTE:"compute",RENDER:"render"},Hs={PERSPECTIVE:"perspective",LINEAR:"linear",FLAT:"flat"},Xs={NORMAL:"normal",CENTROID:"centroid",SAMPLE:"sample",FIRST:"first",EITHER:"either"},Ys={TEXTURE_COMPARE:"depthTextureCompare"};const Zs={Int8Array:Int8Array,Uint8Array:Uint8Array,Uint8ClampedArray:Uint8ClampedArray,Int16Array:Int16Array,Uint16Array:Uint16Array,Int32Array:Int32Array,Uint32Array:Uint32Array,Float32Array:Float32Array,Float64Array:Float64Array};function Gs(t,e){return new Zs[t](e)}function $s(t){return ArrayBuffer.isView(t)&&!(t instanceof DataView)}function Qs(t){return document.createElementNS("http://www.w3.org/1999/xhtml",t)}function Ks(){const t=Qs("canvas");return t.style.display="block",t}const ti={};let ei=null;function si(t){ei=t}function ii(){return ei}function ri(...t){const e="THREE."+t.shift();ei?ei("log",e,...t):console.log(e,...t)}function ni(t){const e=t[0];if("string"==typeof e&&e.startsWith("TSL:")){const e=t[1];e&&e.isStackTrace?t[0]+=" "+e.getLocation():t[1]='Stack trace not available. 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s=t._x,i=t._y,r=t._z,n=t._order,a=Math.cos,o=Math.sin,h=a(s/2),l=a(i/2),c=a(r/2),u=o(s/2),d=o(i/2),p=o(r/2);switch(n){case"XYZ":this._x=u*l*c+h*d*p,this._y=h*d*c-u*l*p,this._z=h*l*p+u*d*c,this._w=h*l*c-u*d*p;break;case"YXZ":this._x=u*l*c+h*d*p,this._y=h*d*c-u*l*p,this._z=h*l*p-u*d*c,this._w=h*l*c+u*d*p;break;case"ZXY":this._x=u*l*c-h*d*p,this._y=h*d*c+u*l*p,this._z=h*l*p+u*d*c,this._w=h*l*c-u*d*p;break;case"ZYX":this._x=u*l*c-h*d*p,this._y=h*d*c+u*l*p,this._z=h*l*p-u*d*c,this._w=h*l*c+u*d*p;break;case"YZX":this._x=u*l*c+h*d*p,this._y=h*d*c+u*l*p,this._z=h*l*p-u*d*c,this._w=h*l*c-u*d*p;break;case"XZY":this._x=u*l*c-h*d*p,this._y=h*d*c-u*l*p,this._z=h*l*p+u*d*c,this._w=h*l*c+u*d*p;break;default:ai("Quaternion: .setFromEuler() encountered an unknown order: "+n)}return!0===e&&this._onChangeCallback(),this}setFromAxisAngle(t,e){const s=e/2,i=Math.sin(s);return this._x=t.x*i,this._y=t.y*i,this._z=t.z*i,this._w=Math.cos(s),this._onChangeCallback(),this}setFromRotationMatrix(t){const e=t.elements,s=e[0],i=e[4],r=e[8],n=e[1],a=e[5],o=e[9],h=e[2],l=e[6],c=e[10],u=s+a+c;if(u>0){const t=.5/Math.sqrt(u+1);this._w=.25/t,this._x=(l-o)*t,this._y=(r-h)*t,this._z=(n-i)*t}else if(s>a&&s>c){const t=2*Math.sqrt(1+s-a-c);this._w=(l-o)/t,this._x=.25*t,this._y=(i+n)/t,this._z=(r+h)/t}else if(a>c){const t=2*Math.sqrt(1+a-s-c);this._w=(r-h)/t,this._x=(i+n)/t,this._y=.25*t,this._z=(o+l)/t}else{const t=2*Math.sqrt(1+c-s-a);this._w=(n-i)/t,this._x=(r+h)/t,this._y=(o+l)/t,this._z=.25*t}return this._onChangeCallback(),this}setFromUnitVectors(t,e){let s=t.dot(e)+1;return s<1e-8?(s=0,Math.abs(t.x)>Math.abs(t.z)?(this._x=-t.y,this._y=t.x,this._z=0,this._w=s):(this._x=0,this._y=-t.z,this._z=t.y,this._w=s)):(this._x=t.y*e.z-t.z*e.y,this._y=t.z*e.x-t.x*e.z,this._z=t.x*e.y-t.y*e.x,this._w=s),this.normalize()}angleTo(t){return 2*Math.acos(Math.abs(xi(this.dot(t),-1,1)))}rotateTowards(t,e){const s=this.angleTo(t);if(0===s)return this;const i=Math.min(1,e/s);return this.slerp(t,i),this}identity(){return this.set(0,0,0,1)}invert(){return this.conjugate()}conjugate(){return this._x*=-1,this._y*=-1,this._z*=-1,this._onChangeCallback(),this}dot(t){return this._x*t._x+this._y*t._y+this._z*t._z+this._w*t._w}lengthSq(){return this._x*this._x+this._y*this._y+this._z*this._z+this._w*this._w}length(){return Math.sqrt(this._x*this._x+this._y*this._y+this._z*this._z+this._w*this._w)}normalize(){let t=this.length();return 0===t?(this._x=0,this._y=0,this._z=0,this._w=1):(t=1/t,this._x=this._x*t,this._y=this._y*t,this._z=this._z*t,this._w=this._w*t),this._onChangeCallback(),this}multiply(t){return this.multiplyQuaternions(this,t)}premultiply(t){return this.multiplyQuaternions(t,this)}multiplyQuaternions(t,e){const s=t._x,i=t._y,r=t._z,n=t._w,a=e._x,o=e._y,h=e._z,l=e._w;return this._x=s*l+n*a+i*h-r*o,this._y=i*l+n*o+r*a-s*h,this._z=r*l+n*h+s*o-i*a,this._w=n*l-s*a-i*o-r*h,this._onChangeCallback(),this}slerp(t,e){let s=t._x,i=t._y,r=t._z,n=t._w,a=this.dot(t);a<0&&(s=-s,i=-i,r=-r,n=-n,a=-a);let o=1-e;if(a<.9995){const t=Math.acos(a),h=Math.sin(t);o=Math.sin(o*t)/h,e=Math.sin(e*t)/h,this._x=this._x*o+s*e,this._y=this._y*o+i*e,this._z=this._z*o+r*e,this._w=this._w*o+n*e,this._onChangeCallback()}else this._x=this._x*o+s*e,this._y=this._y*o+i*e,this._z=this._z*o+r*e,this._w=this._w*o+n*e,this.normalize();return this}slerpQuaternions(t,e,s){return this.copy(t).slerp(e,s)}random(){const t=2*Math.PI*Math.random(),e=2*Math.PI*Math.random(),s=Math.random(),i=Math.sqrt(1-s),r=Math.sqrt(s);return this.set(i*Math.sin(t),i*Math.cos(t),r*Math.sin(e),r*Math.cos(e))}equals(t){return t._x===this._x&&t._y===this._y&&t._z===this._z&&t._w===this._w}fromArray(t,e=0){return this._x=t[e],this._y=t[e+1],this._z=t[e+2],this._w=t[e+3],this._onChangeCallback(),this}toArray(t=[],e=0){return t[e]=this._x,t[e+1]=this._y,t[e+2]=this._z,t[e+3]=this._w,t}fromBufferAttribute(t,e){return this._x=t.getX(e),this._y=t.getY(e),this._z=t.getZ(e),this._w=t.getW(e),this._onChangeCallback(),this}toJSON(){return this.toArray()}_onChange(t){return this._onChangeCallback=t,this}_onChangeCallback(){}*[Symbol.iterator](){yield this._x,yield this._y,yield this._z,yield this._w}}class Ti{static{Ti.prototype.isVector3=!0}constructor(t=0,e=0,s=0){this.x=t,this.y=e,this.z=s}set(t,e,s){return void 0===s&&(s=this.z),this.x=t,this.y=e,this.z=s,this}setScalar(t){return this.x=t,this.y=t,this.z=t,this}setX(t){return this.x=t,this}setY(t){return this.y=t,this}setZ(t){return this.z=t,this}setComponent(t,e){switch(t){case 0:this.x=e;break;case 1:this.y=e;break;case 2:this.z=e;break;default:throw new Error("THREE.Vector3: index is out of range: "+t)}return this}getComponent(t){switch(t){case 0:return this.x;case 1:return this.y;case 2:return this.z;default:throw new Error("THREE.Vector3: index is out of range: "+t)}}clone(){return new this.constructor(this.x,this.y,this.z)}copy(t){return this.x=t.x,this.y=t.y,this.z=t.z,this}add(t){return this.x+=t.x,this.y+=t.y,this.z+=t.z,this}addScalar(t){return this.x+=t,this.y+=t,this.z+=t,this}addVectors(t,e){return this.x=t.x+e.x,this.y=t.y+e.y,this.z=t.z+e.z,this}addScaledVector(t,e){return this.x+=t.x*e,this.y+=t.y*e,this.z+=t.z*e,this}sub(t){return this.x-=t.x,this.y-=t.y,this.z-=t.z,this}subScalar(t){return this.x-=t,this.y-=t,this.z-=t,this}subVectors(t,e){return this.x=t.x-e.x,this.y=t.y-e.y,this.z=t.z-e.z,this}multiply(t){return this.x*=t.x,this.y*=t.y,this.z*=t.z,this}multiplyScalar(t){return this.x*=t,this.y*=t,this.z*=t,this}multiplyVectors(t,e){return this.x=t.x*e.x,this.y=t.y*e.y,this.z=t.z*e.z,this}applyEuler(t){return this.applyQuaternion(Ci.setFromEuler(t))}applyAxisAngle(t,e){return this.applyQuaternion(Ci.setFromAxisAngle(t,e))}applyMatrix3(t){const e=this.x,s=this.y,i=this.z,r=t.elements;return this.x=r[0]*e+r[3]*s+r[6]*i,this.y=r[1]*e+r[4]*s+r[7]*i,this.z=r[2]*e+r[5]*s+r[8]*i,this}applyNormalMatrix(t){return this.applyMatrix3(t).normalize()}applyMatrix4(t){const e=this.x,s=this.y,i=this.z,r=t.elements,n=1/(r[3]*e+r[7]*s+r[11]*i+r[15]);return this.x=(r[0]*e+r[4]*s+r[8]*i+r[12])*n,this.y=(r[1]*e+r[5]*s+r[9]*i+r[13])*n,this.z=(r[2]*e+r[6]*s+r[10]*i+r[14])*n,this}applyQuaternion(t){const e=this.x,s=this.y,i=this.z,r=t.x,n=t.y,a=t.z,o=t.w,h=2*(n*i-a*s),l=2*(a*e-r*i),c=2*(r*s-n*e);return this.x=e+o*h+n*c-a*l,this.y=s+o*l+a*h-r*c,this.z=i+o*c+r*l-n*h,this}project(t){return this.applyMatrix4(t.matrixWorldInverse).applyMatrix4(t.projectionMatrix)}unproject(t){return this.applyMatrix4(t.projectionMatrixInverse).applyMatrix4(t.matrixWorld)}transformDirection(t){const e=this.x,s=this.y,i=this.z,r=t.elements;return this.x=r[0]*e+r[4]*s+r[8]*i,this.y=r[1]*e+r[5]*s+r[9]*i,this.z=r[2]*e+r[6]*s+r[10]*i,this.normalize()}divide(t){return this.x/=t.x,this.y/=t.y,this.z/=t.z,this}divideScalar(t){return this.multiplyScalar(1/t)}min(t){return this.x=Math.min(this.x,t.x),this.y=Math.min(this.y,t.y),this.z=Math.min(this.z,t.z),this}max(t){return this.x=Math.max(this.x,t.x),this.y=Math.max(this.y,t.y),this.z=Math.max(this.z,t.z),this}clamp(t,e){return this.x=xi(this.x,t.x,e.x),this.y=xi(this.y,t.y,e.y),this.z=xi(this.z,t.z,e.z),this}clampScalar(t,e){return this.x=xi(this.x,t,e),this.y=xi(this.y,t,e),this.z=xi(this.z,t,e),this}clampLength(t,e){const s=this.length();return this.divideScalar(s||1).multiplyScalar(xi(s,t,e))}floor(){return this.x=Math.floor(this.x),this.y=Math.floor(this.y),this.z=Math.floor(this.z),this}ceil(){return this.x=Math.ceil(this.x),this.y=Math.ceil(this.y),this.z=Math.ceil(this.z),this}round(){return this.x=Math.round(this.x),this.y=Math.round(this.y),this.z=Math.round(this.z),this}roundToZero(){return this.x=Math.trunc(this.x),this.y=Math.trunc(this.y),this.z=Math.trunc(this.z),this}negate(){return this.x=-this.x,this.y=-this.y,this.z=-this.z,this}dot(t){return this.x*t.x+this.y*t.y+this.z*t.z}lengthSq(){return this.x*this.x+this.y*this.y+this.z*this.z}length(){return Math.sqrt(this.x*this.x+this.y*this.y+this.z*this.z)}manhattanLength(){return Math.abs(this.x)+Math.abs(this.y)+Math.abs(this.z)}normalize(){return this.divideScalar(this.length()||1)}setLength(t){return this.normalize().multiplyScalar(t)}lerp(t,e){return this.x+=(t.x-this.x)*e,this.y+=(t.y-this.y)*e,this.z+=(t.z-this.z)*e,this}lerpVectors(t,e,s){return this.x=t.x+(e.x-t.x)*s,this.y=t.y+(e.y-t.y)*s,this.z=t.z+(e.z-t.z)*s,this}cross(t){return this.crossVectors(this,t)}crossVectors(t,e){const s=t.x,i=t.y,r=t.z,n=e.x,a=e.y,o=e.z;return this.x=i*o-r*a,this.y=r*n-s*o,this.z=s*a-i*n,this}projectOnVector(t){const e=t.lengthSq();if(0===e)return this.set(0,0,0);const s=t.dot(this)/e;return this.copy(t).multiplyScalar(s)}projectOnPlane(t){return zi.copy(this).projectOnVector(t),this.sub(zi)}reflect(t){return this.sub(zi.copy(t).multiplyScalar(2*this.dot(t)))}angleTo(t){const e=Math.sqrt(this.lengthSq()*t.lengthSq());if(0===e)return Math.PI/2;const s=this.dot(t)/e;return Math.acos(xi(s,-1,1))}distanceTo(t){return Math.sqrt(this.distanceToSquared(t))}distanceToSquared(t){const e=this.x-t.x,s=this.y-t.y,i=this.z-t.z;return e*e+s*s+i*i}manhattanDistanceTo(t){return Math.abs(this.x-t.x)+Math.abs(this.y-t.y)+Math.abs(this.z-t.z)}setFromSpherical(t){return this.setFromSphericalCoords(t.radius,t.phi,t.theta)}setFromSphericalCoords(t,e,s){const i=Math.sin(e)*t;return this.x=i*Math.sin(s),this.y=Math.cos(e)*t,this.z=i*Math.cos(s),this}setFromCylindrical(t){return this.setFromCylindricalCoords(t.radius,t.theta,t.y)}setFromCylindricalCoords(t,e,s){return this.x=t*Math.sin(e),this.y=s,this.z=t*Math.cos(e),this}setFromMatrixPosition(t){const e=t.elements;return this.x=e[12],this.y=e[13],this.z=e[14],this}setFromMatrixScale(t){const e=this.setFromMatrixColumn(t,0).length(),s=this.setFromMatrixColumn(t,1).length(),i=this.setFromMatrixColumn(t,2).length();return this.x=e,this.y=s,this.z=i,this}setFromMatrixColumn(t,e){return this.fromArray(t.elements,4*e)}setFromMatrix3Column(t,e){return this.fromArray(t.elements,3*e)}setFromEuler(t){return this.x=t._x,this.y=t._y,this.z=t._z,this}setFromColor(t){return this.x=t.r,this.y=t.g,this.z=t.b,this}equals(t){return t.x===this.x&&t.y===this.y&&t.z===this.z}fromArray(t,e=0){return this.x=t[e],this.y=t[e+1],this.z=t[e+2],this}toArray(t=[],e=0){return t[e]=this.x,t[e+1]=this.y,t[e+2]=this.z,t}fromBufferAttribute(t,e){return this.x=t.getX(e),this.y=t.getY(e),this.z=t.getZ(e),this}random(){return this.x=Math.random(),this.y=Math.random(),this.z=Math.random(),this}randomDirection(){const t=Math.random()*Math.PI*2,e=2*Math.random()-1,s=Math.sqrt(1-e*e);return this.x=s*Math.cos(t),this.y=e,this.z=s*Math.sin(t),this}*[Symbol.iterator](){yield this.x,yield this.y,yield this.z}}const zi=new Ti,Ci=new Ai;class Ii{static{Ii.prototype.isMatrix3=!0}constructor(t,e,s,i,r,n,a,o,h){this.elements=[1,0,0,0,1,0,0,0,1],void 0!==t&&this.set(t,e,s,i,r,n,a,o,h)}set(t,e,s,i,r,n,a,o,h){const l=this.elements;return l[0]=t,l[1]=i,l[2]=a,l[3]=e,l[4]=r,l[5]=o,l[6]=s,l[7]=n,l[8]=h,this}identity(){return this.set(1,0,0,0,1,0,0,0,1),this}copy(t){const e=this.elements,s=t.elements;return e[0]=s[0],e[1]=s[1],e[2]=s[2],e[3]=s[3],e[4]=s[4],e[5]=s[5],e[6]=s[6],e[7]=s[7],e[8]=s[8],this}extractBasis(t,e,s){return t.setFromMatrix3Column(this,0),e.setFromMatrix3Column(this,1),s.setFromMatrix3Column(this,2),this}setFromMatrix4(t){const e=t.elements;return this.set(e[0],e[4],e[8],e[1],e[5],e[9],e[2],e[6],e[10]),this}multiply(t){return this.multiplyMatrices(this,t)}premultiply(t){return this.multiplyMatrices(t,this)}multiplyMatrices(t,e){const s=t.elements,i=e.elements,r=this.elements,n=s[0],a=s[3],o=s[6],h=s[1],l=s[4],c=s[7],u=s[2],d=s[5],p=s[8],m=i[0],y=i[3],g=i[6],f=i[1],x=i[4],b=i[7],v=i[2],w=i[5],M=i[8];return r[0]=n*m+a*f+o*v,r[3]=n*y+a*x+o*w,r[6]=n*g+a*b+o*M,r[1]=h*m+l*f+c*v,r[4]=h*y+l*x+c*w,r[7]=h*g+l*b+c*M,r[2]=u*m+d*f+p*v,r[5]=u*y+d*x+p*w,r[8]=u*g+d*b+p*M,this}multiplyScalar(t){const e=this.elements;return e[0]*=t,e[3]*=t,e[6]*=t,e[1]*=t,e[4]*=t,e[7]*=t,e[2]*=t,e[5]*=t,e[8]*=t,this}determinant(){const t=this.elements,e=t[0],s=t[1],i=t[2],r=t[3],n=t[4],a=t[5],o=t[6],h=t[7],l=t[8];return e*n*l-e*a*h-s*r*l+s*a*o+i*r*h-i*n*o}invert(){const t=this.elements,e=t[0],s=t[1],i=t[2],r=t[3],n=t[4],a=t[5],o=t[6],h=t[7],l=t[8],c=l*n-a*h,u=a*o-l*r,d=h*r-n*o,p=e*c+s*u+i*d;if(0===p)return this.set(0,0,0,0,0,0,0,0,0);const m=1/p;return t[0]=c*m,t[1]=(i*h-l*s)*m,t[2]=(a*s-i*n)*m,t[3]=u*m,t[4]=(l*e-i*o)*m,t[5]=(i*r-a*e)*m,t[6]=d*m,t[7]=(s*o-h*e)*m,t[8]=(n*e-s*r)*m,this}transpose(){let t;const e=this.elements;return t=e[1],e[1]=e[3],e[3]=t,t=e[2],e[2]=e[6],e[6]=t,t=e[5],e[5]=e[7],e[7]=t,this}getNormalMatrix(t){return this.setFromMatrix4(t).invert().transpose()}transposeIntoArray(t){const e=this.elements;return t[0]=e[0],t[1]=e[3],t[2]=e[6],t[3]=e[1],t[4]=e[4],t[5]=e[7],t[6]=e[2],t[7]=e[5],t[8]=e[8],this}setUvTransform(t,e,s,i,r,n,a){const o=Math.cos(r),h=Math.sin(r);return this.set(s*o,s*h,-s*(o*n+h*a)+n+t,-i*h,i*o,-i*(-h*n+o*a)+a+e,0,0,1),this}scale(t,e){return hi("Matrix3: .scale() is deprecated. Use .makeScale() instead."),this.premultiply(Bi.makeScale(t,e)),this}rotate(t){return hi("Matrix3: .rotate() is deprecated. Use .makeRotation() instead."),this.premultiply(Bi.makeRotation(-t)),this}translate(t,e){return hi("Matrix3: .translate() is deprecated. Use .makeTranslation() instead."),this.premultiply(Bi.makeTranslation(t,e)),this}makeTranslation(t,e){return t.isVector2?this.set(1,0,t.x,0,1,t.y,0,0,1):this.set(1,0,t,0,1,e,0,0,1),this}makeRotation(t){const e=Math.cos(t),s=Math.sin(t);return this.set(e,-s,0,s,e,0,0,0,1),this}makeScale(t,e){return this.set(t,0,0,0,e,0,0,0,1),this}equals(t){const e=this.elements,s=t.elements;for(let t=0;t<9;t++)if(e[t]!==s[t])return!1;return!0}fromArray(t,e=0){for(let s=0;s<9;s++)this.elements[s]=t[s+e];return this}toArray(t=[],e=0){const s=this.elements;return t[e]=s[0],t[e+1]=s[1],t[e+2]=s[2],t[e+3]=s[3],t[e+4]=s[4],t[e+5]=s[5],t[e+6]=s[6],t[e+7]=s[7],t[e+8]=s[8],t}clone(){return(new this.constructor).fromArray(this.elements)}}const Bi=new Ii,ki=(new Ii).set(.4123908,.3575843,.1804808,.212639,.7151687,.0721923,.0193308,.1191948,.9505322),Oi=(new Ii).set(3.2409699,-1.5373832,-.4986108,-.9692436,1.8759675,.0415551,.0556301,-.203977,1.0569715);function Pi(){const t={enabled:!0,workingColorSpace:ss,spaces:{},convert:function(t,e,s){return!1!==this.enabled&&e!==s&&e&&s?(this.spaces[e].transfer===rs&&(t.r=Ei(t.r),t.g=Ei(t.g),t.b=Ei(t.b)),this.spaces[e].primaries!==this.spaces[s].primaries&&(t.applyMatrix3(this.spaces[e].toXYZ),t.applyMatrix3(this.spaces[s].fromXYZ)),this.spaces[s].transfer===rs&&(t.r=Ni(t.r),t.g=Ni(t.g),t.b=Ni(t.b)),t):t},workingToColorSpace:function(t,e){return this.convert(t,this.workingColorSpace,e)},colorSpaceToWorking:function(t,e){return this.convert(t,e,this.workingColorSpace)},getPrimaries:function(t){return this.spaces[t].primaries},getTransfer:function(t){return""===t?is:this.spaces[t].transfer},getToneMappingMode:function(t){return this.spaces[t].outputColorSpaceConfig.toneMappingMode||"standard"},getLuminanceCoefficients:function(t,e=this.workingColorSpace){return t.fromArray(this.spaces[e].luminanceCoefficients)},define:function(t){Object.assign(this.spaces,t)},_getMatrix:function(t,e,s){return t.copy(this.spaces[e].toXYZ).multiply(this.spaces[s].fromXYZ)},_getDrawingBufferColorSpace:function(t){return this.spaces[t].outputColorSpaceConfig.drawingBufferColorSpace},_getUnpackColorSpace:function(t=this.workingColorSpace){return this.spaces[t].workingColorSpaceConfig.unpackColorSpace},fromWorkingColorSpace:function(e,s){return hi("ColorManagement: .fromWorkingColorSpace() has been renamed to .workingToColorSpace()."),t.workingToColorSpace(e,s)},toWorkingColorSpace:function(e,s){return hi("ColorManagement: .toWorkingColorSpace() has been renamed to .colorSpaceToWorking()."),t.colorSpaceToWorking(e,s)}},e=[.64,.33,.3,.6,.15,.06],s=[.2126,.7152,.0722],i=[.3127,.329];return t.define({[ss]:{primaries:e,whitePoint:i,transfer:is,toXYZ:ki,fromXYZ:Oi,luminanceCoefficients:s,workingColorSpaceConfig:{unpackColorSpace:es},outputColorSpaceConfig:{drawingBufferColorSpace:es}},[es]:{primaries:e,whitePoint:i,transfer:rs,toXYZ:ki,fromXYZ:Oi,luminanceCoefficients:s,outputColorSpaceConfig:{drawingBufferColorSpace:es}}}),t}const Ri=Pi();function Ei(t){return t<.04045?.0773993808*t:Math.pow(.9478672986*t+.0521327014,2.4)}function Ni(t){return t<.0031308?12.92*t:1.055*Math.pow(t,.41666)-.055}let Vi;class Li{static getDataURL(t,e="image/png"){if(/^data:/i.test(t.src))return t.src;if("undefined"==typeof HTMLCanvasElement)return t.src;let s;if(t instanceof HTMLCanvasElement)s=t;else{void 0===Vi&&(Vi=Qs("canvas")),Vi.width=t.width,Vi.height=t.height;const e=Vi.getContext("2d");t instanceof ImageData?e.putImageData(t,0,0):e.drawImage(t,0,0,t.width,t.height),s=Vi}return s.toDataURL(e)}static sRGBToLinear(t){if("undefined"!=typeof HTMLImageElement&&t instanceof HTMLImageElement||"undefined"!=typeof HTMLCanvasElement&&t instanceof HTMLCanvasElement||"undefined"!=typeof ImageBitmap&&t instanceof ImageBitmap){const e=Qs("canvas");e.width=t.width,e.height=t.height;const s=e.getContext("2d");s.drawImage(t,0,0,t.width,t.height);const i=s.getImageData(0,0,t.width,t.height),r=i.data;for(let t=0;t1),this.pmremVersion=0,this.normalized=!1}get width(){return this.source.getSize(Wi).x}get height(){return this.source.getSize(Wi).y}get depth(){return this.source.getSize(Wi).z}get image(){return this.source.data}set image(t){this.source.data=t}updateMatrix(){this.matrix.setUvTransform(this.offset.x,this.offset.y,this.repeat.x,this.repeat.y,this.rotation,this.center.x,this.center.y)}addUpdateRange(t,e){this.updateRanges.push({start:t,count:e})}clearUpdateRanges(){this.updateRanges.length=0}clone(){return(new this.constructor).copy(this)}copy(t){return this.name=t.name,this.source=t.source,this.mipmaps=t.mipmaps.slice(0),this.mapping=t.mapping,this.channel=t.channel,this.wrapS=t.wrapS,this.wrapT=t.wrapT,this.magFilter=t.magFilter,this.minFilter=t.minFilter,this.anisotropy=t.anisotropy,this.format=t.format,this.internalFormat=t.internalFormat,this.type=t.type,this.normalized=t.normalized,this.offset.copy(t.offset),this.repeat.copy(t.repeat),this.center.copy(t.center),this.rotation=t.rotation,this.matrixAutoUpdate=t.matrixAutoUpdate,this.matrix.copy(t.matrix),this.generateMipmaps=t.generateMipmaps,this.premultiplyAlpha=t.premultiplyAlpha,this.flipY=t.flipY,this.unpackAlignment=t.unpackAlignment,this.colorSpace=t.colorSpace,this.renderTarget=t.renderTarget,this.isRenderTargetTexture=t.isRenderTargetTexture,this.isArrayTexture=t.isArrayTexture,this.userData=JSON.parse(JSON.stringify(t.userData)),this.needsUpdate=!0,this}setValues(t){for(const e in t){const s=t[e];if(void 0===s){ai(`Texture.setValues(): parameter '${e}' has value of undefined.`);continue}const i=this[e];void 0!==i?i&&s&&i.isVector2&&s.isVector2||i&&s&&i.isVector3&&s.isVector3||i&&s&&i.isMatrix3&&s.isMatrix3?i.copy(s):this[e]=s:ai(`Texture.setValues(): property '${e}' does not exist.`)}}toJSON(t){const e=void 0===t||"string"==typeof t;if(!e&&void 0!==t.textures[this.uuid])return t.textures[this.uuid];const s={metadata:{version:4.7,type:"Texture",generator:"Texture.toJSON"},uuid:this.uuid,name:this.name,image:this.source.toJSON(t).uuid,mapping:this.mapping,channel:this.channel,repeat:[this.repeat.x,this.repeat.y],offset:[this.offset.x,this.offset.y],center:[this.center.x,this.center.y],rotation:this.rotation,wrap:[this.wrapS,this.wrapT],format:this.format,internalFormat:this.internalFormat,type:this.type,normalized:this.normalized,colorSpace:this.colorSpace,minFilter:this.minFilter,magFilter:this.magFilter,anisotropy:this.anisotropy,flipY:this.flipY,generateMipmaps:this.generateMipmaps,premultiplyAlpha:this.premultiplyAlpha,unpackAlignment:this.unpackAlignment};return Object.keys(this.userData).length>0&&(s.userData=this.userData),e||(t.textures[this.uuid]=s),s}dispose(){this.dispatchEvent({type:"dispose"})}transformUv(t){if(this.mapping!==ht)return t;if(t.applyMatrix3(this.matrix),t.x<0||t.x>1)switch(this.wrapS){case mt:t.x=t.x-Math.floor(t.x);break;case yt:t.x=t.x<0?0:1;break;case gt:1===Math.abs(Math.floor(t.x)%2)?t.x=Math.ceil(t.x)-t.x:t.x=t.x-Math.floor(t.x)}if(t.y<0||t.y>1)switch(this.wrapT){case mt:t.y=t.y-Math.floor(t.y);break;case yt:t.y=t.y<0?0:1;break;case gt:1===Math.abs(Math.floor(t.y)%2)?t.y=Math.ceil(t.y)-t.y:t.y=t.y-Math.floor(t.y)}return this.flipY&&(t.y=1-t.y),t}set needsUpdate(t){!0===t&&(this.version++,this.source.needsUpdate=!0)}set needsPMREMUpdate(t){!0===t&&this.pmremVersion++}}Ji.DEFAULT_IMAGE=null,Ji.DEFAULT_MAPPING=ht,Ji.DEFAULT_ANISOTROPY=1;class qi{static{qi.prototype.isVector4=!0}constructor(t=0,e=0,s=0,i=1){this.x=t,this.y=e,this.z=s,this.w=i}get width(){return this.z}set width(t){this.z=t}get height(){return this.w}set height(t){this.w=t}set(t,e,s,i){return this.x=t,this.y=e,this.z=s,this.w=i,this}setScalar(t){return this.x=t,this.y=t,this.z=t,this.w=t,this}setX(t){return this.x=t,this}setY(t){return this.y=t,this}setZ(t){return this.z=t,this}setW(t){return this.w=t,this}setComponent(t,e){switch(t){case 0:this.x=e;break;case 1:this.y=e;break;case 2:this.z=e;break;case 3:this.w=e;break;default:throw new Error("THREE.Vector4: index is out of range: "+t)}return this}getComponent(t){switch(t){case 0:return this.x;case 1:return this.y;case 2:return this.z;case 3:return this.w;default:throw new Error("THREE.Vector4: index is out of range: "+t)}}clone(){return new this.constructor(this.x,this.y,this.z,this.w)}copy(t){return this.x=t.x,this.y=t.y,this.z=t.z,this.w=void 0!==t.w?t.w:1,this}add(t){return this.x+=t.x,this.y+=t.y,this.z+=t.z,this.w+=t.w,this}addScalar(t){return this.x+=t,this.y+=t,this.z+=t,this.w+=t,this}addVectors(t,e){return this.x=t.x+e.x,this.y=t.y+e.y,this.z=t.z+e.z,this.w=t.w+e.w,this}addScaledVector(t,e){return this.x+=t.x*e,this.y+=t.y*e,this.z+=t.z*e,this.w+=t.w*e,this}sub(t){return this.x-=t.x,this.y-=t.y,this.z-=t.z,this.w-=t.w,this}subScalar(t){return this.x-=t,this.y-=t,this.z-=t,this.w-=t,this}subVectors(t,e){return this.x=t.x-e.x,this.y=t.y-e.y,this.z=t.z-e.z,this.w=t.w-e.w,this}multiply(t){return this.x*=t.x,this.y*=t.y,this.z*=t.z,this.w*=t.w,this}multiplyScalar(t){return this.x*=t,this.y*=t,this.z*=t,this.w*=t,this}applyMatrix4(t){const e=this.x,s=this.y,i=this.z,r=this.w,n=t.elements;return this.x=n[0]*e+n[4]*s+n[8]*i+n[12]*r,this.y=n[1]*e+n[5]*s+n[9]*i+n[13]*r,this.z=n[2]*e+n[6]*s+n[10]*i+n[14]*r,this.w=n[3]*e+n[7]*s+n[11]*i+n[15]*r,this}divide(t){return this.x/=t.x,this.y/=t.y,this.z/=t.z,this.w/=t.w,this}divideScalar(t){return this.multiplyScalar(1/t)}setAxisAngleFromQuaternion(t){this.w=2*Math.acos(t.w);const e=Math.sqrt(1-t.w*t.w);return e<1e-4?(this.x=1,this.y=0,this.z=0):(this.x=t.x/e,this.y=t.y/e,this.z=t.z/e),this}setAxisAngleFromRotationMatrix(t){let e,s,i,r;const n=.01,a=.1,o=t.elements,h=o[0],l=o[4],c=o[8],u=o[1],d=o[5],p=o[9],m=o[2],y=o[6],g=o[10];if(Math.abs(l-u)o&&t>f?tf?o1);this.dispose()}this.viewport.set(0,0,t,e),this.scissor.set(0,0,t,e)}clone(){return(new this.constructor).copy(this)}copy(t){this.width=t.width,this.height=t.height,this.depth=t.depth,this.scissor.copy(t.scissor),this.scissorTest=t.scissorTest,this.viewport.copy(t.viewport),this.textures.length=0;for(let e=0,s=t.textures.length;e>>0}enable(t){this.mask|=1<1){for(let t=0;t1){for(let t=0;t0&&(i.userData=this.userData),i.layers=this.layers.mask,i.matrix=this.matrix.toArray(),i.up=this.up.toArray(),null!==this.pivot&&(i.pivot=this.pivot.toArray()),!1===this.matrixAutoUpdate&&(i.matrixAutoUpdate=!1),void 0!==this.morphTargetDictionary&&(i.morphTargetDictionary=Object.assign({},this.morphTargetDictionary)),void 0!==this.morphTargetInfluences&&(i.morphTargetInfluences=this.morphTargetInfluences.slice()),this.isInstancedMesh&&(i.type="InstancedMesh",i.count=this.count,i.instanceMatrix=this.instanceMatrix.toJSON(),null!==this.instanceColor&&(i.instanceColor=this.instanceColor.toJSON())),this.isBatchedMesh&&(i.type="BatchedMesh",i.perObjectFrustumCulled=this.perObjectFrustumCulled,i.sortObjects=this.sortObjects,i.drawRanges=this._drawRanges,i.reservedRanges=this._reservedRanges,i.geometryInfo=this._geometryInfo.map(t=>({...t,boundingBox:t.boundingBox?t.boundingBox.toJSON():void 0,boundingSphere:t.boundingSphere?t.boundingSphere.toJSON():void 0})),i.instanceInfo=this._instanceInfo.map(t=>({...t})),i.availableInstanceIds=this._availableInstanceIds.slice(),i.availableGeometryIds=this._availableGeometryIds.slice(),i.nextIndexStart=this._nextIndexStart,i.nextVertexStart=this._nextVertexStart,i.geometryCount=this._geometryCount,i.maxInstanceCount=this._maxInstanceCount,i.maxVertexCount=this._maxVertexCount,i.maxIndexCount=this._maxIndexCount,i.geometryInitialized=this._geometryInitialized,i.matricesTexture=this._matricesTexture.toJSON(t),i.indirectTexture=this._indirectTexture.toJSON(t),null!==this._colorsTexture&&(i.colorsTexture=this._colorsTexture.toJSON(t)),null!==this.boundingSphere&&(i.boundingSphere=this.boundingSphere.toJSON()),null!==this.boundingBox&&(i.boundingBox=this.boundingBox.toJSON())),this.isScene)this.background&&(this.background.isColor?i.background=this.background.toJSON():this.background.isTexture&&(i.background=this.background.toJSON(t).uuid)),this.environment&&this.environment.isTexture&&!0!==this.environment.isRenderTargetTexture&&(i.environment=this.environment.toJSON(t).uuid);else if(this.isMesh||this.isLine||this.isPoints){i.geometry=r(t.geometries,this.geometry);const e=this.geometry.parameters;if(void 0!==e&&void 0!==e.shapes){const s=e.shapes;if(Array.isArray(s))for(let e=0,i=s.length;e0){i.children=[];for(let e=0;e0){i.animations=[];for(let e=0;e0&&(s.geometries=e),i.length>0&&(s.materials=i),r.length>0&&(s.textures=r),a.length>0&&(s.images=a),o.length>0&&(s.shapes=o),h.length>0&&(s.skeletons=h),l.length>0&&(s.animations=l),c.length>0&&(s.nodes=c)}return s.object=i,s;function n(t){const e=[];for(const s in t){const i=t[s];delete i.metadata,e.push(i)}return e}}clone(t){return(new this.constructor).copy(this,t)}copy(t,e=!0){if(this.name=t.name,this.up.copy(t.up),this.position.copy(t.position),this.rotation.order=t.rotation.order,this.quaternion.copy(t.quaternion),this.scale.copy(t.scale),this.pivot=null!==t.pivot?t.pivot.clone():null,this.matrix.copy(t.matrix),this.matrixWorld.copy(t.matrixWorld),this.matrixAutoUpdate=t.matrixAutoUpdate,this.matrixWorldAutoUpdate=t.matrixWorldAutoUpdate,this.matrixWorldNeedsUpdate=t.matrixWorldNeedsUpdate,this.layers.mask=t.layers.mask,this.visible=t.visible,this.castShadow=t.castShadow,this.receiveShadow=t.receiveShadow,this.frustumCulled=t.frustumCulled,this.renderOrder=t.renderOrder,this.static=t.static,this.animations=t.animations.slice(),this.userData=JSON.parse(JSON.stringify(t.userData)),!0===e)for(let e=0;eo+l?(h.inputState.pinching=!1,this.dispatchEvent({type:"pinchend",handedness:t.handedness,target:this})):!h.inputState.pinching&&a<=o-l&&(h.inputState.pinching=!0,this.dispatchEvent({type:"pinchstart",handedness:t.handedness,target:this}))}else null!==o&&t.gripSpace&&(r=e.getPose(t.gripSpace,s),null!==r&&(o.matrix.fromArray(r.transform.matrix),o.matrix.decompose(o.position,o.rotation,o.scale),o.matrixWorldNeedsUpdate=!0,r.linearVelocity?(o.hasLinearVelocity=!0,o.linearVelocity.copy(r.linearVelocity)):o.hasLinearVelocity=!1,r.angularVelocity?(o.hasAngularVelocity=!0,o.angularVelocity.copy(r.angularVelocity)):o.hasAngularVelocity=!1,o.eventsEnabled&&o.dispatchEvent({type:"gripUpdated",data:t,target:this})));null!==a&&(i=e.getPose(t.targetRaySpace,s),null===i&&null!==r&&(i=r),null!==i&&(a.matrix.fromArray(i.transform.matrix),a.matrix.decompose(a.position,a.rotation,a.scale),a.matrixWorldNeedsUpdate=!0,i.linearVelocity?(a.hasLinearVelocity=!0,a.linearVelocity.copy(i.linearVelocity)):a.hasLinearVelocity=!1,i.angularVelocity?(a.hasAngularVelocity=!0,a.angularVelocity.copy(i.angularVelocity)):a.hasAngularVelocity=!1,this.dispatchEvent(zr)))}return null!==a&&(a.visible=null!==i),null!==o&&(o.visible=null!==r),null!==h&&(h.visible=null!==n),this}_getHandJoint(t,e){if(void 0===t.joints[e.jointName]){const s=new Tr;s.matrixAutoUpdate=!1,s.visible=!1,t.joints[e.jointName]=s,t.add(s)}return t.joints[e.jointName]}}const Ir={aliceblue:15792383,antiquewhite:16444375,aqua:65535,aquamarine:8388564,azure:15794175,beige:16119260,bisque:16770244,black:0,blanchedalmond:16772045,blue:255,blueviolet:9055202,brown:10824234,burlywood:14596231,cadetblue:6266528,chartreuse:8388352,chocolate:13789470,coral:16744272,cornflowerblue:6591981,cornsilk:16775388,crimson:14423100,cyan:65535,darkblue:139,darkcyan:35723,darkgoldenrod:12092939,darkgray:11119017,darkgreen:25600,darkgrey:11119017,darkkhaki:12433259,darkmagenta:9109643,darkolivegreen:5597999,darkorange:16747520,darkorchid:10040012,darkred:9109504,darksalmon:15308410,darkseagreen:9419919,darkslateblue:4734347,darkslategray:3100495,darkslategrey:3100495,darkturquoise:52945,darkviolet:9699539,deeppink:16716947,deepskyblue:49151,dimgray:6908265,dimgrey:6908265,dodgerblue:2003199,firebrick:11674146,floralwhite:16775920,forestgreen:2263842,fuchsia:16711935,gainsboro:14474460,ghostwhite:16316671,gold:16766720,goldenrod:14329120,gray:8421504,green:32768,greenyellow:11403055,grey:8421504,honeydew:15794160,hotpink:16738740,indianred:13458524,indigo:4915330,ivory:16777200,khaki:15787660,lavender:15132410,lavenderblush:16773365,lawngreen:8190976,lemonchiffon:16775885,lightblue:11393254,lightcoral:15761536,lightcyan:14745599,lightgoldenrodyellow:16448210,lightgray:13882323,lightgreen:9498256,lightgrey:13882323,lightpink:16758465,lightsalmon:16752762,lightseagreen:2142890,lightskyblue:8900346,lightslategray:7833753,lightslategrey:7833753,lightsteelblue:11584734,lightyellow:16777184,lime:65280,limegreen:3329330,linen:16445670,magenta:16711935,maroon:8388608,mediumaquamarine:6737322,mediumblue:205,mediumorchid:12211667,mediumpurple:9662683,mediumseagreen:3978097,mediumslateblue:8087790,mediumspringgreen:64154,mediumturquoise:4772300,mediumvioletred:13047173,midnightblue:1644912,mintcream:16121850,mistyrose:16770273,moccasin:16770229,navajowhite:16768685,navy:128,oldlace:16643558,olive:8421376,olivedrab:7048739,orange:16753920,orangered:16729344,orchid:14315734,palegoldenrod:15657130,palegreen:10025880,paleturquoise:11529966,palevioletred:14381203,papayawhip:16773077,peachpuff:16767673,peru:13468991,pink:16761035,plum:14524637,powderblue:11591910,purple:8388736,rebeccapurple:6697881,red:16711680,rosybrown:12357519,royalblue:4286945,saddlebrown:9127187,salmon:16416882,sandybrown:16032864,seagreen:3050327,seashell:16774638,sienna:10506797,silver:12632256,skyblue:8900331,slateblue:6970061,slategray:7372944,slategrey:7372944,snow:16775930,springgreen:65407,steelblue:4620980,tan:13808780,teal:32896,thistle:14204888,tomato:16737095,turquoise:4251856,violet:15631086,wheat:16113331,white:16777215,whitesmoke:16119285,yellow:16776960,yellowgreen:10145074},Br={h:0,s:0,l:0},kr={h:0,s:0,l:0};function Or(t,e,s){return s<0&&(s+=1),s>1&&(s-=1),s<1/6?t+6*(e-t)*s:s<.5?e:s<2/3?t+6*(e-t)*(2/3-s):t}class Pr{constructor(t,e,s){return this.isColor=!0,this.r=1,this.g=1,this.b=1,this.set(t,e,s)}set(t,e,s){if(void 0===e&&void 0===s){const e=t;e&&e.isColor?this.copy(e):"number"==typeof e?this.setHex(e):"string"==typeof e&&this.setStyle(e)}else this.setRGB(t,e,s);return this}setScalar(t){return this.r=t,this.g=t,this.b=t,this}setHex(t,e=es){return t=Math.floor(t),this.r=(t>>16&255)/255,this.g=(t>>8&255)/255,this.b=(255&t)/255,Ri.colorSpaceToWorking(this,e),this}setRGB(t,e,s,i=Ri.workingColorSpace){return this.r=t,this.g=e,this.b=s,Ri.colorSpaceToWorking(this,i),this}setHSL(t,e,s,i=Ri.workingColorSpace){if(t=bi(t,1),e=xi(e,0,1),s=xi(s,0,1),0===e)this.r=this.g=this.b=s;else{const i=s<=.5?s*(1+e):s+e-s*e,r=2*s-i;this.r=Or(r,i,t+1/3),this.g=Or(r,i,t),this.b=Or(r,i,t-1/3)}return Ri.colorSpaceToWorking(this,i),this}setStyle(t,e=es){function s(e){void 0!==e&&parseFloat(e)<1&&ai("Color: Alpha component of "+t+" will be ignored.")}let i;if(i=/^(\w+)\(([^\)]*)\)/.exec(t)){let r;const n=i[1],a=i[2];switch(n){case"rgb":case"rgba":if(r=/^\s*(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(a))return s(r[4]),this.setRGB(Math.min(255,parseInt(r[1],10))/255,Math.min(255,parseInt(r[2],10))/255,Math.min(255,parseInt(r[3],10))/255,e);if(r=/^\s*(\d+)\%\s*,\s*(\d+)\%\s*,\s*(\d+)\%\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(a))return s(r[4]),this.setRGB(Math.min(100,parseInt(r[1],10))/100,Math.min(100,parseInt(r[2],10))/100,Math.min(100,parseInt(r[3],10))/100,e);break;case"hsl":case"hsla":if(r=/^\s*(\d*\.?\d+)\s*,\s*(\d*\.?\d+)\%\s*,\s*(\d*\.?\d+)\%\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(a))return s(r[4]),this.setHSL(parseFloat(r[1])/360,parseFloat(r[2])/100,parseFloat(r[3])/100,e);break;default:ai("Color: Unknown color model "+t)}}else if(i=/^\#([A-Fa-f\d]+)$/.exec(t)){const s=i[1],r=s.length;if(3===r)return this.setRGB(parseInt(s.charAt(0),16)/15,parseInt(s.charAt(1),16)/15,parseInt(s.charAt(2),16)/15,e);if(6===r)return this.setHex(parseInt(s,16),e);ai("Color: Invalid hex color "+t)}else if(t&&t.length>0)return this.setColorName(t,e);return this}setColorName(t,e=es){const s=Ir[t.toLowerCase()];return void 0!==s?this.setHex(s,e):ai("Color: Unknown color "+t),this}clone(){return new this.constructor(this.r,this.g,this.b)}copy(t){return this.r=t.r,this.g=t.g,this.b=t.b,this}copySRGBToLinear(t){return this.r=Ei(t.r),this.g=Ei(t.g),this.b=Ei(t.b),this}copyLinearToSRGB(t){return this.r=Ni(t.r),this.g=Ni(t.g),this.b=Ni(t.b),this}convertSRGBToLinear(){return this.copySRGBToLinear(this),this}convertLinearToSRGB(){return this.copyLinearToSRGB(this),this}getHex(t=es){return Ri.workingToColorSpace(Rr.copy(this),t),65536*Math.round(xi(255*Rr.r,0,255))+256*Math.round(xi(255*Rr.g,0,255))+Math.round(xi(255*Rr.b,0,255))}getHexString(t=es){return("000000"+this.getHex(t).toString(16)).slice(-6)}getHSL(t,e=Ri.workingColorSpace){Ri.workingToColorSpace(Rr.copy(this),e);const s=Rr.r,i=Rr.g,r=Rr.b,n=Math.max(s,i,r),a=Math.min(s,i,r);let o,h;const l=(a+n)/2;if(a===n)o=0,h=0;else{const t=n-a;switch(h=l<=.5?t/(n+a):t/(2-n-a),n){case s:o=(i-r)/t+(i0&&(e.object.backgroundBlurriness=this.backgroundBlurriness),1!==this.backgroundIntensity&&(e.object.backgroundIntensity=this.backgroundIntensity),e.object.backgroundRotation=this.backgroundRotation.toArray(),1!==this.environmentIntensity&&(e.object.environmentIntensity=this.environmentIntensity),e.object.environmentRotation=this.environmentRotation.toArray(),e}}const Lr=new Ti,Fr=new Ti,Dr=new Ti,Ur=new Ti,jr=new Ti,Wr=new Ti,Jr=new Ti,qr=new Ti,Hr=new Ti,Xr=new Ti,Yr=new qi,Zr=new qi,Gr=new qi;class $r{constructor(t=new Ti,e=new Ti,s=new Ti){this.a=t,this.b=e,this.c=s}static getNormal(t,e,s,i){i.subVectors(s,e),Lr.subVectors(t,e),i.cross(Lr);const r=i.lengthSq();return r>0?i.multiplyScalar(1/Math.sqrt(r)):i.set(0,0,0)}static getBarycoord(t,e,s,i,r){Lr.subVectors(i,e),Fr.subVectors(s,e),Dr.subVectors(t,e);const n=Lr.dot(Lr),a=Lr.dot(Fr),o=Lr.dot(Dr),h=Fr.dot(Fr),l=Fr.dot(Dr),c=n*h-a*a;if(0===c)return r.set(0,0,0),null;const u=1/c,d=(h*o-a*l)*u,p=(n*l-a*o)*u;return r.set(1-d-p,p,d)}static containsPoint(t,e,s,i){return null!==this.getBarycoord(t,e,s,i,Ur)&&(Ur.x>=0&&Ur.y>=0&&Ur.x+Ur.y<=1)}static getInterpolation(t,e,s,i,r,n,a,o){return null===this.getBarycoord(t,e,s,i,Ur)?(o.x=0,o.y=0,"z"in o&&(o.z=0),"w"in o&&(o.w=0),null):(o.setScalar(0),o.addScaledVector(r,Ur.x),o.addScaledVector(n,Ur.y),o.addScaledVector(a,Ur.z),o)}static getInterpolatedAttribute(t,e,s,i,r,n){return Yr.setScalar(0),Zr.setScalar(0),Gr.setScalar(0),Yr.fromBufferAttribute(t,e),Zr.fromBufferAttribute(t,s),Gr.fromBufferAttribute(t,i),n.setScalar(0),n.addScaledVector(Yr,r.x),n.addScaledVector(Zr,r.y),n.addScaledVector(Gr,r.z),n}static isFrontFacing(t,e,s,i){return Lr.subVectors(s,e),Fr.subVectors(t,e),Lr.cross(Fr).dot(i)<0}set(t,e,s){return this.a.copy(t),this.b.copy(e),this.c.copy(s),this}setFromPointsAndIndices(t,e,s,i){return this.a.copy(t[e]),this.b.copy(t[s]),this.c.copy(t[i]),this}setFromAttributeAndIndices(t,e,s,i){return this.a.fromBufferAttribute(t,e),this.b.fromBufferAttribute(t,s),this.c.fromBufferAttribute(t,i),this}clone(){return(new this.constructor).copy(this)}copy(t){return this.a.copy(t.a),this.b.copy(t.b),this.c.copy(t.c),this}getArea(){return Lr.subVectors(this.c,this.b),Fr.subVectors(this.a,this.b),.5*Lr.cross(Fr).length()}getMidpoint(t){return t.addVectors(this.a,this.b).add(this.c).multiplyScalar(1/3)}getNormal(t){return $r.getNormal(this.a,this.b,this.c,t)}getPlane(t){return t.setFromCoplanarPoints(this.a,this.b,this.c)}getBarycoord(t,e){return $r.getBarycoord(t,this.a,this.b,this.c,e)}getInterpolation(t,e,s,i,r){return $r.getInterpolation(t,this.a,this.b,this.c,e,s,i,r)}containsPoint(t){return $r.containsPoint(t,this.a,this.b,this.c)}isFrontFacing(t){return $r.isFrontFacing(this.a,this.b,this.c,t)}intersectsBox(t){return t.intersectsTriangle(this)}closestPointToPoint(t,e){const s=this.a,i=this.b,r=this.c;let n,a;jr.subVectors(i,s),Wr.subVectors(r,s),qr.subVectors(t,s);const o=jr.dot(qr),h=Wr.dot(qr);if(o<=0&&h<=0)return e.copy(s);Hr.subVectors(t,i);const l=jr.dot(Hr),c=Wr.dot(Hr);if(l>=0&&c<=l)return e.copy(i);const u=o*c-l*h;if(u<=0&&o>=0&&l<=0)return n=o/(o-l),e.copy(s).addScaledVector(jr,n);Xr.subVectors(t,r);const d=jr.dot(Xr),p=Wr.dot(Xr);if(p>=0&&d<=p)return e.copy(r);const m=d*h-o*p;if(m<=0&&h>=0&&p<=0)return a=h/(h-p),e.copy(s).addScaledVector(Wr,a);const y=l*p-d*c;if(y<=0&&c-l>=0&&d-p>=0)return Jr.subVectors(r,i),a=(c-l)/(c-l+(d-p)),e.copy(i).addScaledVector(Jr,a);const g=1/(y+m+u);return n=m*g,a=u*g,e.copy(s).addScaledVector(jr,n).addScaledVector(Wr,a)}equals(t){return t.a.equals(this.a)&&t.b.equals(this.b)&&t.c.equals(this.c)}}class Qr{constructor(t=new Ti(1/0,1/0,1/0),e=new Ti(-1/0,-1/0,-1/0)){this.isBox3=!0,this.min=t,this.max=e}set(t,e){return this.min.copy(t),this.max.copy(e),this}setFromArray(t){this.makeEmpty();for(let e=0,s=t.length;e=this.min.x&&t.x<=this.max.x&&t.y>=this.min.y&&t.y<=this.max.y&&t.z>=this.min.z&&t.z<=this.max.z}containsBox(t){return this.min.x<=t.min.x&&t.max.x<=this.max.x&&this.min.y<=t.min.y&&t.max.y<=this.max.y&&this.min.z<=t.min.z&&t.max.z<=this.max.z}getParameter(t,e){return e.set((t.x-this.min.x)/(this.max.x-this.min.x),(t.y-this.min.y)/(this.max.y-this.min.y),(t.z-this.min.z)/(this.max.z-this.min.z))}intersectsBox(t){return t.max.x>=this.min.x&&t.min.x<=this.max.x&&t.max.y>=this.min.y&&t.min.y<=this.max.y&&t.max.z>=this.min.z&&t.min.z<=this.max.z}intersectsSphere(t){return this.clampPoint(t.center,tn),tn.distanceToSquared(t.center)<=t.radius*t.radius}intersectsPlane(t){let e,s;return t.normal.x>0?(e=t.normal.x*this.min.x,s=t.normal.x*this.max.x):(e=t.normal.x*this.max.x,s=t.normal.x*this.min.x),t.normal.y>0?(e+=t.normal.y*this.min.y,s+=t.normal.y*this.max.y):(e+=t.normal.y*this.max.y,s+=t.normal.y*this.min.y),t.normal.z>0?(e+=t.normal.z*this.min.z,s+=t.normal.z*this.max.z):(e+=t.normal.z*this.max.z,s+=t.normal.z*this.min.z),e<=-t.constant&&s>=-t.constant}intersectsTriangle(t){if(this.isEmpty())return!1;this.getCenter(ln),cn.subVectors(this.max,ln),sn.subVectors(t.a,ln),rn.subVectors(t.b,ln),nn.subVectors(t.c,ln),an.subVectors(rn,sn),on.subVectors(nn,rn),hn.subVectors(sn,nn);let e=[0,-an.z,an.y,0,-on.z,on.y,0,-hn.z,hn.y,an.z,0,-an.x,on.z,0,-on.x,hn.z,0,-hn.x,-an.y,an.x,0,-on.y,on.x,0,-hn.y,hn.x,0];return!!pn(e,sn,rn,nn,cn)&&(e=[1,0,0,0,1,0,0,0,1],!!pn(e,sn,rn,nn,cn)&&(un.crossVectors(an,on),e=[un.x,un.y,un.z],pn(e,sn,rn,nn,cn)))}clampPoint(t,e){return e.copy(t).clamp(this.min,this.max)}distanceToPoint(t){return this.clampPoint(t,tn).distanceTo(t)}getBoundingSphere(t){return this.isEmpty()?t.makeEmpty():(this.getCenter(t.center),t.radius=.5*this.getSize(tn).length()),t}intersect(t){return this.min.max(t.min),this.max.min(t.max),this.isEmpty()&&this.makeEmpty(),this}union(t){return this.min.min(t.min),this.max.max(t.max),this}applyMatrix4(t){return this.isEmpty()||(Kr[0].set(this.min.x,this.min.y,this.min.z).applyMatrix4(t),Kr[1].set(this.min.x,this.min.y,this.max.z).applyMatrix4(t),Kr[2].set(this.min.x,this.max.y,this.min.z).applyMatrix4(t),Kr[3].set(this.min.x,this.max.y,this.max.z).applyMatrix4(t),Kr[4].set(this.max.x,this.min.y,this.min.z).applyMatrix4(t),Kr[5].set(this.max.x,this.min.y,this.max.z).applyMatrix4(t),Kr[6].set(this.max.x,this.max.y,this.min.z).applyMatrix4(t),Kr[7].set(this.max.x,this.max.y,this.max.z).applyMatrix4(t),this.setFromPoints(Kr)),this}translate(t){return this.min.add(t),this.max.add(t),this}equals(t){return t.min.equals(this.min)&&t.max.equals(this.max)}toJSON(){return{min:this.min.toArray(),max:this.max.toArray()}}fromJSON(t){return this.min.fromArray(t.min),this.max.fromArray(t.max),this}}const Kr=[new Ti,new Ti,new Ti,new Ti,new Ti,new Ti,new Ti,new Ti],tn=new Ti,en=new Qr,sn=new Ti,rn=new Ti,nn=new Ti,an=new Ti,on=new Ti,hn=new Ti,ln=new Ti,cn=new Ti,un=new Ti,dn=new Ti;function pn(t,e,s,i,r){for(let n=0,a=t.length-3;n<=a;n+=3){dn.fromArray(t,n);const a=r.x*Math.abs(dn.x)+r.y*Math.abs(dn.y)+r.z*Math.abs(dn.z),o=e.dot(dn),h=s.dot(dn),l=i.dot(dn);if(Math.max(-Math.max(o,h,l),Math.min(o,h,l))>a)return!1}return!0}const mn=yn();function yn(){const t=new ArrayBuffer(4),e=new Float32Array(t),s=new Uint32Array(t),i=new Uint32Array(512),r=new Uint32Array(512);for(let t=0;t<256;++t){const e=t-127;e<-27?(i[t]=0,i[256|t]=32768,r[t]=24,r[256|t]=24):e<-14?(i[t]=1024>>-e-14,i[256|t]=1024>>-e-14|32768,r[t]=-e-1,r[256|t]=-e-1):e<=15?(i[t]=e+15<<10,i[256|t]=e+15<<10|32768,r[t]=13,r[256|t]=13):e<128?(i[t]=31744,i[256|t]=64512,r[t]=24,r[256|t]=24):(i[t]=31744,i[256|t]=64512,r[t]=13,r[256|t]=13)}const n=new Uint32Array(2048),a=new Uint32Array(64),o=new Uint32Array(64);for(let t=1;t<1024;++t){let e=t<<13,s=0;for(;!(8388608&e);)e<<=1,s-=8388608;e&=-8388609,s+=947912704,n[t]=e|s}for(let t=1024;t<2048;++t)n[t]=939524096+(t-1024<<13);for(let t=1;t<31;++t)a[t]=t<<23;a[31]=1199570944,a[32]=2147483648;for(let t=33;t<63;++t)a[t]=2147483648+(t-32<<23);a[63]=3347054592;for(let t=1;t<64;++t)32!==t&&(o[t]=1024);return{floatView:e,uint32View:s,baseTable:i,shiftTable:r,mantissaTable:n,exponentTable:a,offsetTable:o}}function gn(t){Math.abs(t)>65504&&ai("DataUtils.toHalfFloat(): Value out of range."),t=xi(t,-65504,65504),mn.floatView[0]=t;const e=mn.uint32View[0],s=e>>23&511;return mn.baseTable[s]+((8388607&e)>>mn.shiftTable[s])}function fn(t){const e=t>>10;return mn.uint32View[0]=mn.mantissaTable[mn.offsetTable[e]+(1023&t)]+mn.exponentTable[e],mn.floatView[0]}class xn{static toHalfFloat(t){return gn(t)}static fromHalfFloat(t){return fn(t)}}const bn=new Ti,vn=new _i;let wn=0;class Mn extends di{constructor(t,e,s=!1){if(super(),Array.isArray(t))throw new TypeError("THREE.BufferAttribute: array should be a Typed Array.");this.isBufferAttribute=!0,Object.defineProperty(this,"id",{value:wn++}),this.name="",this.array=t,this.itemSize=e,this.count=void 0!==t?t.length/e:0,this.normalized=s,this.usage=Os,this.updateRanges=[],this.gpuType=Pt,this.version=0}onUploadCallback(){}set needsUpdate(t){!0===t&&this.version++}setUsage(t){return this.usage=t,this}addUpdateRange(t,e){this.updateRanges.push({start:t,count:e})}clearUpdateRanges(){this.updateRanges.length=0}copy(t){return this.name=t.name,this.array=new t.array.constructor(t.array),this.itemSize=t.itemSize,this.count=t.count,this.normalized=t.normalized,this.usage=t.usage,this.gpuType=t.gpuType,this}copyAt(t,e,s){t*=this.itemSize,s*=e.itemSize;for(let i=0,r=this.itemSize;ithis.radius*this.radius&&(e.sub(this.center).normalize(),e.multiplyScalar(this.radius).add(this.center)),e}getBoundingBox(t){return this.isEmpty()?(t.makeEmpty(),t):(t.set(this.center,this.center),t.expandByScalar(this.radius),t)}applyMatrix4(t){return this.center.applyMatrix4(t),this.radius=this.radius*t.getMaxScaleOnAxis(),this}translate(t){return this.center.add(t),this}expandByPoint(t){if(this.isEmpty())return this.center.copy(t),this.radius=0,this;Pn.subVectors(t,this.center);const e=Pn.lengthSq();if(e>this.radius*this.radius){const t=Math.sqrt(e),s=.5*(t-this.radius);this.center.addScaledVector(Pn,s/t),this.radius+=s}return this}union(t){return t.isEmpty()?this:this.isEmpty()?(this.copy(t),this):(!0===this.center.equals(t.center)?this.radius=Math.max(this.radius,t.radius):(Rn.subVectors(t.center,this.center).setLength(t.radius),this.expandByPoint(Pn.copy(t.center).add(Rn)),this.expandByPoint(Pn.copy(t.center).sub(Rn))),this)}equals(t){return t.center.equals(this.center)&&t.radius===this.radius}clone(){return(new this.constructor).copy(this)}toJSON(){return{radius:this.radius,center:this.center.toArray()}}fromJSON(t){return this.radius=t.radius,this.center.fromArray(t.center),this}}let Nn=0;const Vn=new Qi,Ln=new Ar,Fn=new Ti,Dn=new Qr,Un=new Qr,jn=new Ti;class Wn extends di{constructor(){super(),this.isBufferGeometry=!0,Object.defineProperty(this,"id",{value:Nn++}),this.uuid=fi(),this.name="",this.type="BufferGeometry",this.index=null,this.indirect=null,this.indirectOffset=0,this.attributes={},this.morphAttributes={},this.morphTargetsRelative=!1,this.groups=[],this.boundingBox=null,this.boundingSphere=null,this.drawRange={start:0,count:1/0},this.userData={},this._transformed=!1}getIndex(){return this.index}setIndex(t){return Array.isArray(t)?this.index=new(function(t){for(let e=t.length-1;e>=0;--e)if(t[e]>=65535)return!0;return!1}(t)?In:zn)(t,1):this.index=t,this}setIndirect(t,e=0){return this.indirect=t,this.indirectOffset=e,this}getIndirect(){return this.indirect}getAttribute(t){return this.attributes[t]}setAttribute(t,e){return this.attributes[t]=e,this}deleteAttribute(t){return delete this.attributes[t],this}hasAttribute(t){return void 0!==this.attributes[t]}addGroup(t,e,s=0){this.groups.push({start:t,count:e,materialIndex:s})}clearGroups(){this.groups=[]}setDrawRange(t,e){this.drawRange.start=t,this.drawRange.count=e}applyMatrix4(t){const e=this.attributes.position;void 0!==e&&(e.applyMatrix4(t),e.needsUpdate=!0);const s=this.attributes.normal;if(void 0!==s){const e=(new Ii).getNormalMatrix(t);s.applyNormalMatrix(e),s.needsUpdate=!0}const i=this.attributes.tangent;return void 0!==i&&(i.transformDirection(t),i.needsUpdate=!0),null!==this.boundingBox&&this.computeBoundingBox(),null!==this.boundingSphere&&this.computeBoundingSphere(),this._transformed=!0,this}applyQuaternion(t){return Vn.makeRotationFromQuaternion(t),this.applyMatrix4(Vn),this}rotateX(t){return Vn.makeRotationX(t),this.applyMatrix4(Vn),this}rotateY(t){return Vn.makeRotationY(t),this.applyMatrix4(Vn),this}rotateZ(t){return Vn.makeRotationZ(t),this.applyMatrix4(Vn),this}translate(t,e,s){return Vn.makeTranslation(t,e,s),this.applyMatrix4(Vn),this}scale(t,e,s){return Vn.makeScale(t,e,s),this.applyMatrix4(Vn),this}lookAt(t){return Ln.lookAt(t),Ln.updateMatrix(),this.applyMatrix4(Ln.matrix),this}center(){return this.computeBoundingBox(),this.boundingBox.getCenter(Fn).negate(),this.translate(Fn.x,Fn.y,Fn.z),this}setFromPoints(t){const e=this.getAttribute("position");if(void 0===e){const e=[];for(let s=0,i=t.length;se.count&&ai("BufferGeometry: Buffer size too small for points data. Use .dispose() and create a new geometry."),e.needsUpdate=!0}return this}computeBoundingBox(){null===this.boundingBox&&(this.boundingBox=new Qr);const t=this.attributes.position,e=this.morphAttributes.position;if(t&&t.isGLBufferAttribute)return oi("BufferGeometry.computeBoundingBox(): GLBufferAttribute requires a manual bounding box.",this),void this.boundingBox.set(new Ti(-1/0,-1/0,-1/0),new Ti(1/0,1/0,1/0));if(void 0!==t){if(this.boundingBox.setFromBufferAttribute(t),e)for(let t=0,s=e.length;t0&&(t.userData=this.userData),void 0!==this.parameters&&!0!==this._transformed){const e=this.parameters;for(const s in e)void 0!==e[s]&&(t[s]=e[s]);return t}t.data={attributes:{}};const e=this.index;null!==e&&(t.data.index={type:e.array.constructor.name,array:Array.prototype.slice.call(e.array)});const s=this.attributes;for(const e in s){const i=s[e];t.data.attributes[e]=i.toJSON(t.data)}const i={};let r=!1;for(const e in this.morphAttributes){const s=this.morphAttributes[e],n=[];for(let e=0,i=s.length;e0&&(i[e]=n,r=!0)}r&&(t.data.morphAttributes=i,t.data.morphTargetsRelative=this.morphTargetsRelative);const n=this.groups;n.length>0&&(t.data.groups=JSON.parse(JSON.stringify(n)));const a=this.boundingSphere;return null!==a&&(t.data.boundingSphere=a.toJSON()),t}clone(){return(new this.constructor).copy(this)}copy(t){this.index=null,this.attributes={},this.morphAttributes={},this.groups=[],this.boundingBox=null,this.boundingSphere=null;const e={};this.name=t.name;const s=t.index;null!==s&&this.setIndex(s.clone());const i=t.attributes;for(const t in i){const s=i[t];this.setAttribute(t,s.clone(e))}const r=t.morphAttributes;for(const t in r){const s=[],i=r[t];for(let t=0,r=i.length;t0!=t>0&&this.version++,this._alphaTest=t}onBeforeRender(){}onBeforeCompile(){}customProgramCacheKey(){return this.onBeforeCompile.toString()}setValues(t){if(void 0!==t)for(const e in t){const s=t[e];if(void 0===s){ai(`Material: parameter '${e}' has value of undefined.`);continue}const i=this[e];void 0!==i?i&&i.isColor?i.set(s):i&&i.isVector2&&s&&s.isVector2||i&&i.isEuler&&s&&s.isEuler||i&&i.isVector3&&s&&s.isVector3?i.copy(s):this[e]=s:ai(`Material: '${e}' is not a property of THREE.${this.type}.`)}}toJSON(t){const e=void 0===t||"string"==typeof t;e&&(t={textures:{},images:{}});const s={metadata:{version:4.7,type:"Material",generator:"Material.toJSON"}};function i(t){const e=[];for(const s in t){const i=t[s];delete i.metadata,e.push(i)}return e}if(s.uuid=this.uuid,s.type=this.type,""!==this.name&&(s.name=this.name),this.color&&this.color.isColor&&(s.color=this.color.getHex()),void 0!==this.roughness&&(s.roughness=this.roughness),void 0!==this.metalness&&(s.metalness=this.metalness),void 0!==this.sheen&&(s.sheen=this.sheen),this.sheenColor&&this.sheenColor.isColor&&(s.sheenColor=this.sheenColor.getHex()),void 0!==this.sheenRoughness&&(s.sheenRoughness=this.sheenRoughness),this.emissive&&this.emissive.isColor&&(s.emissive=this.emissive.getHex()),void 0!==this.emissiveIntensity&&1!==this.emissiveIntensity&&(s.emissiveIntensity=this.emissiveIntensity),this.specular&&this.specular.isColor&&(s.specular=this.specular.getHex()),void 0!==this.specularIntensity&&(s.specularIntensity=this.specularIntensity),this.specularColor&&this.specularColor.isColor&&(s.specularColor=this.specularColor.getHex()),void 0!==this.shininess&&(s.shininess=this.shininess),void 0!==this.clearcoat&&(s.clearcoat=this.clearcoat),void 0!==this.clearcoatRoughness&&(s.clearcoatRoughness=this.clearcoatRoughness),this.clearcoatMap&&this.clearcoatMap.isTexture&&(s.clearcoatMap=this.clearcoatMap.toJSON(t).uuid),this.clearcoatRoughnessMap&&this.clearcoatRoughnessMap.isTexture&&(s.clearcoatRoughnessMap=this.clearcoatRoughnessMap.toJSON(t).uuid),this.clearcoatNormalMap&&this.clearcoatNormalMap.isTexture&&(s.clearcoatNormalMap=this.clearcoatNormalMap.toJSON(t).uuid,s.clearcoatNormalScale=this.clearcoatNormalScale.toArray()),this.sheenColorMap&&this.sheenColorMap.isTexture&&(s.sheenColorMap=this.sheenColorMap.toJSON(t).uuid),this.sheenRoughnessMap&&this.sheenRoughnessMap.isTexture&&(s.sheenRoughnessMap=this.sheenRoughnessMap.toJSON(t).uuid),void 0!==this.dispersion&&(s.dispersion=this.dispersion),void 0!==this.iridescence&&(s.iridescence=this.iridescence),void 0!==this.iridescenceIOR&&(s.iridescenceIOR=this.iridescenceIOR),void 0!==this.iridescenceThicknessRange&&(s.iridescenceThicknessRange=this.iridescenceThicknessRange),this.iridescenceMap&&this.iridescenceMap.isTexture&&(s.iridescenceMap=this.iridescenceMap.toJSON(t).uuid),this.iridescenceThicknessMap&&this.iridescenceThicknessMap.isTexture&&(s.iridescenceThicknessMap=this.iridescenceThicknessMap.toJSON(t).uuid),void 0!==this.anisotropy&&(s.anisotropy=this.anisotropy),void 0!==this.anisotropyRotation&&(s.anisotropyRotation=this.anisotropyRotation),this.anisotropyMap&&this.anisotropyMap.isTexture&&(s.anisotropyMap=this.anisotropyMap.toJSON(t).uuid),this.map&&this.map.isTexture&&(s.map=this.map.toJSON(t).uuid),this.matcap&&this.matcap.isTexture&&(s.matcap=this.matcap.toJSON(t).uuid),this.alphaMap&&this.alphaMap.isTexture&&(s.alphaMap=this.alphaMap.toJSON(t).uuid),this.lightMap&&this.lightMap.isTexture&&(s.lightMap=this.lightMap.toJSON(t).uuid,s.lightMapIntensity=this.lightMapIntensity),this.aoMap&&this.aoMap.isTexture&&(s.aoMap=this.aoMap.toJSON(t).uuid,s.aoMapIntensity=this.aoMapIntensity),this.bumpMap&&this.bumpMap.isTexture&&(s.bumpMap=this.bumpMap.toJSON(t).uuid,s.bumpScale=this.bumpScale),this.normalMap&&this.normalMap.isTexture&&(s.normalMap=this.normalMap.toJSON(t).uuid,s.normalMapType=this.normalMapType,s.normalScale=this.normalScale.toArray()),this.displacementMap&&this.displacementMap.isTexture&&(s.displacementMap=this.displacementMap.toJSON(t).uuid,s.displacementScale=this.displacementScale,s.displacementBias=this.displacementBias),this.roughnessMap&&this.roughnessMap.isTexture&&(s.roughnessMap=this.roughnessMap.toJSON(t).uuid),this.metalnessMap&&this.metalnessMap.isTexture&&(s.metalnessMap=this.metalnessMap.toJSON(t).uuid),this.emissiveMap&&this.emissiveMap.isTexture&&(s.emissiveMap=this.emissiveMap.toJSON(t).uuid),this.specularMap&&this.specularMap.isTexture&&(s.specularMap=this.specularMap.toJSON(t).uuid),this.specularIntensityMap&&this.specularIntensityMap.isTexture&&(s.specularIntensityMap=this.specularIntensityMap.toJSON(t).uuid),this.specularColorMap&&this.specularColorMap.isTexture&&(s.specularColorMap=this.specularColorMap.toJSON(t).uuid),this.envMap&&this.envMap.isTexture&&(s.envMap=this.envMap.toJSON(t).uuid,void 0!==this.combine&&(s.combine=this.combine)),void 0!==this.envMapRotation&&(s.envMapRotation=this.envMapRotation.toArray()),void 0!==this.envMapIntensity&&(s.envMapIntensity=this.envMapIntensity),void 0!==this.reflectivity&&(s.reflectivity=this.reflectivity),void 0!==this.refractionRatio&&(s.refractionRatio=this.refractionRatio),this.gradientMap&&this.gradientMap.isTexture&&(s.gradientMap=this.gradientMap.toJSON(t).uuid),void 0!==this.transmission&&(s.transmission=this.transmission),this.transmissionMap&&this.transmissionMap.isTexture&&(s.transmissionMap=this.transmissionMap.toJSON(t).uuid),void 0!==this.thickness&&(s.thickness=this.thickness),this.thicknessMap&&this.thicknessMap.isTexture&&(s.thicknessMap=this.thicknessMap.toJSON(t).uuid),void 0!==this.attenuationDistance&&this.attenuationDistance!==1/0&&(s.attenuationDistance=this.attenuationDistance),void 0!==this.attenuationColor&&(s.attenuationColor=this.attenuationColor.getHex()),void 0!==this.size&&(s.size=this.size),null!==this.shadowSide&&(s.shadowSide=this.shadowSide),void 0!==this.sizeAttenuation&&(s.sizeAttenuation=this.sizeAttenuation),1!==this.blending&&(s.blending=this.blending),0!==this.side&&(s.side=this.side),!0===this.vertexColors&&(s.vertexColors=!0),this.opacity<1&&(s.opacity=this.opacity),!0===this.transparent&&(s.transparent=!0),204!==this.blendSrc&&(s.blendSrc=this.blendSrc),205!==this.blendDst&&(s.blendDst=this.blendDst),100!==this.blendEquation&&(s.blendEquation=this.blendEquation),null!==this.blendSrcAlpha&&(s.blendSrcAlpha=this.blendSrcAlpha),null!==this.blendDstAlpha&&(s.blendDstAlpha=this.blendDstAlpha),null!==this.blendEquationAlpha&&(s.blendEquationAlpha=this.blendEquationAlpha),this.blendColor&&this.blendColor.isColor&&(s.blendColor=this.blendColor.getHex()),0!==this.blendAlpha&&(s.blendAlpha=this.blendAlpha),3!==this.depthFunc&&(s.depthFunc=this.depthFunc),!1===this.depthTest&&(s.depthTest=this.depthTest),!1===this.depthWrite&&(s.depthWrite=this.depthWrite),!1===this.colorWrite&&(s.colorWrite=this.colorWrite),255!==this.stencilWriteMask&&(s.stencilWriteMask=this.stencilWriteMask),519!==this.stencilFunc&&(s.stencilFunc=this.stencilFunc),0!==this.stencilRef&&(s.stencilRef=this.stencilRef),255!==this.stencilFuncMask&&(s.stencilFuncMask=this.stencilFuncMask),this.stencilFail!==ls&&(s.stencilFail=this.stencilFail),this.stencilZFail!==ls&&(s.stencilZFail=this.stencilZFail),this.stencilZPass!==ls&&(s.stencilZPass=this.stencilZPass),!0===this.stencilWrite&&(s.stencilWrite=this.stencilWrite),void 0!==this.rotation&&0!==this.rotation&&(s.rotation=this.rotation),!0===this.polygonOffset&&(s.polygonOffset=!0),0!==this.polygonOffsetFactor&&(s.polygonOffsetFactor=this.polygonOffsetFactor),0!==this.polygonOffsetUnits&&(s.polygonOffsetUnits=this.polygonOffsetUnits),void 0!==this.linewidth&&1!==this.linewidth&&(s.linewidth=this.linewidth),void 0!==this.dashSize&&(s.dashSize=this.dashSize),void 0!==this.gapSize&&(s.gapSize=this.gapSize),void 0!==this.scale&&(s.scale=this.scale),!0===this.dithering&&(s.dithering=!0),this.alphaTest>0&&(s.alphaTest=this.alphaTest),!0===this.alphaHash&&(s.alphaHash=!0),!0===this.alphaToCoverage&&(s.alphaToCoverage=!0),!0===this.premultipliedAlpha&&(s.premultipliedAlpha=!0),!0===this.forceSinglePass&&(s.forceSinglePass=!0),!1===this.allowOverride&&(s.allowOverride=!1),!0===this.wireframe&&(s.wireframe=!0),this.wireframeLinewidth>1&&(s.wireframeLinewidth=this.wireframeLinewidth),"round"!==this.wireframeLinecap&&(s.wireframeLinecap=this.wireframeLinecap),"round"!==this.wireframeLinejoin&&(s.wireframeLinejoin=this.wireframeLinejoin),!0===this.flatShading&&(s.flatShading=!0),!1===this.visible&&(s.visible=!1),!1===this.toneMapped&&(s.toneMapped=!1),!1===this.fog&&(s.fog=!1),Object.keys(this.userData).length>0&&(s.userData=this.userData),e){const e=i(t.textures),r=i(t.images);e.length>0&&(s.textures=e),r.length>0&&(s.images=r)}return s}fromJSON(t,e){if(void 0!==t.uuid&&(this.uuid=t.uuid),void 0!==t.name&&(this.name=t.name),void 0!==t.color&&void 0!==this.color&&this.color.setHex(t.color),void 0!==t.roughness&&(this.roughness=t.roughness),void 0!==t.metalness&&(this.metalness=t.metalness),void 0!==t.sheen&&(this.sheen=t.sheen),void 0!==t.sheenColor&&(this.sheenColor=(new Pr).setHex(t.sheenColor)),void 0!==t.sheenRoughness&&(this.sheenRoughness=t.sheenRoughness),void 0!==t.emissive&&void 0!==this.emissive&&this.emissive.setHex(t.emissive),void 0!==t.specular&&void 0!==this.specular&&this.specular.setHex(t.specular),void 0!==t.specularIntensity&&(this.specularIntensity=t.specularIntensity),void 0!==t.specularColor&&void 0!==this.specularColor&&this.specularColor.setHex(t.specularColor),void 0!==t.shininess&&(this.shininess=t.shininess),void 0!==t.clearcoat&&(this.clearcoat=t.clearcoat),void 0!==t.clearcoatRoughness&&(this.clearcoatRoughness=t.clearcoatRoughness),void 0!==t.dispersion&&(this.dispersion=t.dispersion),void 0!==t.iridescence&&(this.iridescence=t.iridescence),void 0!==t.iridescenceIOR&&(this.iridescenceIOR=t.iridescenceIOR),void 0!==t.iridescenceThicknessRange&&(this.iridescenceThicknessRange=t.iridescenceThicknessRange),void 0!==t.transmission&&(this.transmission=t.transmission),void 0!==t.thickness&&(this.thickness=t.thickness),void 0!==t.attenuationDistance&&(this.attenuationDistance=t.attenuationDistance),void 0!==t.attenuationColor&&void 0!==this.attenuationColor&&this.attenuationColor.setHex(t.attenuationColor),void 0!==t.anisotropy&&(this.anisotropy=t.anisotropy),void 0!==t.anisotropyRotation&&(this.anisotropyRotation=t.anisotropyRotation),void 0!==t.fog&&(this.fog=t.fog),void 0!==t.flatShading&&(this.flatShading=t.flatShading),void 0!==t.blending&&(this.blending=t.blending),void 0!==t.combine&&(this.combine=t.combine),void 0!==t.side&&(this.side=t.side),void 0!==t.shadowSide&&(this.shadowSide=t.shadowSide),void 0!==t.opacity&&(this.opacity=t.opacity),void 0!==t.transparent&&(this.transparent=t.transparent),void 0!==t.alphaTest&&(this.alphaTest=t.alphaTest),void 0!==t.alphaHash&&(this.alphaHash=t.alphaHash),void 0!==t.depthFunc&&(this.depthFunc=t.depthFunc),void 0!==t.depthTest&&(this.depthTest=t.depthTest),void 0!==t.depthWrite&&(this.depthWrite=t.depthWrite),void 0!==t.colorWrite&&(this.colorWrite=t.colorWrite),void 0!==t.blendSrc&&(this.blendSrc=t.blendSrc),void 0!==t.blendDst&&(this.blendDst=t.blendDst),void 0!==t.blendEquation&&(this.blendEquation=t.blendEquation),void 0!==t.blendSrcAlpha&&(this.blendSrcAlpha=t.blendSrcAlpha),void 0!==t.blendDstAlpha&&(this.blendDstAlpha=t.blendDstAlpha),void 0!==t.blendEquationAlpha&&(this.blendEquationAlpha=t.blendEquationAlpha),void 0!==t.blendColor&&void 0!==this.blendColor&&this.blendColor.setHex(t.blendColor),void 0!==t.blendAlpha&&(this.blendAlpha=t.blendAlpha),void 0!==t.stencilWriteMask&&(this.stencilWriteMask=t.stencilWriteMask),void 0!==t.stencilFunc&&(this.stencilFunc=t.stencilFunc),void 0!==t.stencilRef&&(this.stencilRef=t.stencilRef),void 0!==t.stencilFuncMask&&(this.stencilFuncMask=t.stencilFuncMask),void 0!==t.stencilFail&&(this.stencilFail=t.stencilFail),void 0!==t.stencilZFail&&(this.stencilZFail=t.stencilZFail),void 0!==t.stencilZPass&&(this.stencilZPass=t.stencilZPass),void 0!==t.stencilWrite&&(this.stencilWrite=t.stencilWrite),void 0!==t.wireframe&&(this.wireframe=t.wireframe),void 0!==t.wireframeLinewidth&&(this.wireframeLinewidth=t.wireframeLinewidth),void 0!==t.wireframeLinecap&&(this.wireframeLinecap=t.wireframeLinecap),void 0!==t.wireframeLinejoin&&(this.wireframeLinejoin=t.wireframeLinejoin),void 0!==t.rotation&&(this.rotation=t.rotation),void 0!==t.linewidth&&(this.linewidth=t.linewidth),void 0!==t.dashSize&&(this.dashSize=t.dashSize),void 0!==t.gapSize&&(this.gapSize=t.gapSize),void 0!==t.scale&&(this.scale=t.scale),void 0!==t.polygonOffset&&(this.polygonOffset=t.polygonOffset),void 0!==t.polygonOffsetFactor&&(this.polygonOffsetFactor=t.polygonOffsetFactor),void 0!==t.polygonOffsetUnits&&(this.polygonOffsetUnits=t.polygonOffsetUnits),void 0!==t.dithering&&(this.dithering=t.dithering),void 0!==t.alphaToCoverage&&(this.alphaToCoverage=t.alphaToCoverage),void 0!==t.premultipliedAlpha&&(this.premultipliedAlpha=t.premultipliedAlpha),void 0!==t.forceSinglePass&&(this.forceSinglePass=t.forceSinglePass),void 0!==t.allowOverride&&(this.allowOverride=t.allowOverride),void 0!==t.visible&&(this.visible=t.visible),void 0!==t.toneMapped&&(this.toneMapped=t.toneMapped),void 0!==t.userData&&(this.userData=t.userData),void 0!==t.vertexColors&&("number"==typeof t.vertexColors?this.vertexColors=t.vertexColors>0:this.vertexColors=t.vertexColors),void 0!==t.size&&(this.size=t.size),void 0!==t.sizeAttenuation&&(this.sizeAttenuation=t.sizeAttenuation),void 0!==t.map&&(this.map=e[t.map]||null),void 0!==t.matcap&&(this.matcap=e[t.matcap]||null),void 0!==t.alphaMap&&(this.alphaMap=e[t.alphaMap]||null),void 0!==t.bumpMap&&(this.bumpMap=e[t.bumpMap]||null),void 0!==t.bumpScale&&(this.bumpScale=t.bumpScale),void 0!==t.normalMap&&(this.normalMap=e[t.normalMap]||null),void 0!==t.normalMapType&&(this.normalMapType=t.normalMapType),void 0!==t.normalScale){let e=t.normalScale;!1===Array.isArray(e)&&(e=[e,e]),this.normalScale=(new _i).fromArray(e)}return void 0!==t.displacementMap&&(this.displacementMap=e[t.displacementMap]||null),void 0!==t.displacementScale&&(this.displacementScale=t.displacementScale),void 0!==t.displacementBias&&(this.displacementBias=t.displacementBias),void 0!==t.roughnessMap&&(this.roughnessMap=e[t.roughnessMap]||null),void 0!==t.metalnessMap&&(this.metalnessMap=e[t.metalnessMap]||null),void 0!==t.emissiveMap&&(this.emissiveMap=e[t.emissiveMap]||null),void 0!==t.emissiveIntensity&&(this.emissiveIntensity=t.emissiveIntensity),void 0!==t.specularMap&&(this.specularMap=e[t.specularMap]||null),void 0!==t.specularIntensityMap&&(this.specularIntensityMap=e[t.specularIntensityMap]||null),void 0!==t.specularColorMap&&(this.specularColorMap=e[t.specularColorMap]||null),void 0!==t.envMap&&(this.envMap=e[t.envMap]||null),void 0!==t.envMapRotation&&this.envMapRotation.fromArray(t.envMapRotation),void 0!==t.envMapIntensity&&(this.envMapIntensity=t.envMapIntensity),void 0!==t.reflectivity&&(this.reflectivity=t.reflectivity),void 0!==t.refractionRatio&&(this.refractionRatio=t.refractionRatio),void 0!==t.lightMap&&(this.lightMap=e[t.lightMap]||null),void 0!==t.lightMapIntensity&&(this.lightMapIntensity=t.lightMapIntensity),void 0!==t.aoMap&&(this.aoMap=e[t.aoMap]||null),void 0!==t.aoMapIntensity&&(this.aoMapIntensity=t.aoMapIntensity),void 0!==t.gradientMap&&(this.gradientMap=e[t.gradientMap]||null),void 0!==t.clearcoatMap&&(this.clearcoatMap=e[t.clearcoatMap]||null),void 0!==t.clearcoatRoughnessMap&&(this.clearcoatRoughnessMap=e[t.clearcoatRoughnessMap]||null),void 0!==t.clearcoatNormalMap&&(this.clearcoatNormalMap=e[t.clearcoatNormalMap]||null),void 0!==t.clearcoatNormalScale&&(this.clearcoatNormalScale=(new _i).fromArray(t.clearcoatNormalScale)),void 0!==t.iridescenceMap&&(this.iridescenceMap=e[t.iridescenceMap]||null),void 0!==t.iridescenceThicknessMap&&(this.iridescenceThicknessMap=e[t.iridescenceThicknessMap]||null),void 0!==t.transmissionMap&&(this.transmissionMap=e[t.transmissionMap]||null),void 0!==t.thicknessMap&&(this.thicknessMap=e[t.thicknessMap]||null),void 0!==t.anisotropyMap&&(this.anisotropyMap=e[t.anisotropyMap]||null),void 0!==t.sheenColorMap&&(this.sheenColorMap=e[t.sheenColorMap]||null),void 0!==t.sheenRoughnessMap&&(this.sheenRoughnessMap=e[t.sheenRoughnessMap]||null),this}clone(){return(new this.constructor).copy(this)}copy(t){this.name=t.name,this.blending=t.blending,this.side=t.side,this.vertexColors=t.vertexColors,this.opacity=t.opacity,this.transparent=t.transparent,this.blendSrc=t.blendSrc,this.blendDst=t.blendDst,this.blendEquation=t.blendEquation,this.blendSrcAlpha=t.blendSrcAlpha,this.blendDstAlpha=t.blendDstAlpha,this.blendEquationAlpha=t.blendEquationAlpha,this.blendColor.copy(t.blendColor),this.blendAlpha=t.blendAlpha,this.depthFunc=t.depthFunc,this.depthTest=t.depthTest,this.depthWrite=t.depthWrite,this.stencilWriteMask=t.stencilWriteMask,this.stencilFunc=t.stencilFunc,this.stencilRef=t.stencilRef,this.stencilFuncMask=t.stencilFuncMask,this.stencilFail=t.stencilFail,this.stencilZFail=t.stencilZFail,this.stencilZPass=t.stencilZPass,this.stencilWrite=t.stencilWrite;const e=t.clippingPlanes;let s=null;if(null!==e){const t=e.length;s=new Array(t);for(let i=0;i!==t;++i)s[i]=e[i].clone()}return this.clippingPlanes=s,this.clipIntersection=t.clipIntersection,this.clipShadows=t.clipShadows,this.shadowSide=t.shadowSide,this.colorWrite=t.colorWrite,this.precision=t.precision,this.polygonOffset=t.polygonOffset,this.polygonOffsetFactor=t.polygonOffsetFactor,this.polygonOffsetUnits=t.polygonOffsetUnits,this.dithering=t.dithering,this.alphaTest=t.alphaTest,this.alphaHash=t.alphaHash,this.alphaToCoverage=t.alphaToCoverage,this.premultipliedAlpha=t.premultipliedAlpha,this.forceSinglePass=t.forceSinglePass,this.allowOverride=t.allowOverride,this.visible=t.visible,this.toneMapped=t.toneMapped,this.userData=JSON.parse(JSON.stringify(t.userData)),this}dispose(){this.dispatchEvent({type:"dispose"})}set needsUpdate(t){!0===t&&this.version++}}class Gn extends Zn{constructor(t){super(),this.isSpriteMaterial=!0,this.type="SpriteMaterial",this.color=new Pr(16777215),this.map=null,this.alphaMap=null,this.rotation=0,this.sizeAttenuation=!0,this.transparent=!0,this.fog=!0,this.setValues(t)}copy(t){return super.copy(t),this.color.copy(t.color),this.map=t.map,this.alphaMap=t.alphaMap,this.rotation=t.rotation,this.sizeAttenuation=t.sizeAttenuation,this.fog=t.fog,this}}const $n=new Ti,Qn=new Ti,Kn=new Ti,ta=new _i,ea=new _i,sa=new Qi,ia=new Ti,ra=new Ti,na=new Ti,aa=new _i,oa=new _i,ha=new _i;class la extends Ar{constructor(t=new Gn){if(super(),this.isSprite=!0,this.type="Sprite",void 0===Xn){Xn=new Wn;const t=new Float32Array([-.5,-.5,0,0,0,.5,-.5,0,1,0,.5,.5,0,1,1,-.5,.5,0,0,1]),e=new Jn(t,5);Xn.setIndex([0,1,2,0,2,3]),Xn.setAttribute("position",new Hn(e,3,0,!1)),Xn.setAttribute("uv",new Hn(e,2,3,!1))}this.geometry=Xn,this.material=t,this.center=new _i(.5,.5),this.count=1}raycast(t,e){null===t.camera&&oi('Sprite: "Raycaster.camera" needs to be set in order to raycast against sprites.'),Qn.setFromMatrixScale(this.matrixWorld),sa.copy(t.camera.matrixWorld),this.modelViewMatrix.multiplyMatrices(t.camera.matrixWorldInverse,this.matrixWorld),Kn.setFromMatrixPosition(this.modelViewMatrix),t.camera.isPerspectiveCamera&&!1===this.material.sizeAttenuation&&Qn.multiplyScalar(-Kn.z);const s=this.material.rotation;let i,r;0!==s&&(r=Math.cos(s),i=Math.sin(s));const n=this.center;ca(ia.set(-.5,-.5,0),Kn,n,Qn,i,r),ca(ra.set(.5,-.5,0),Kn,n,Qn,i,r),ca(na.set(.5,.5,0),Kn,n,Qn,i,r),aa.set(0,0),oa.set(1,0),ha.set(1,1);let a=t.ray.intersectTriangle(ia,ra,na,!1,$n);if(null===a&&(ca(ra.set(-.5,.5,0),Kn,n,Qn,i,r),oa.set(0,1),a=t.ray.intersectTriangle(ia,na,ra,!1,$n),null===a))return;const o=t.ray.origin.distanceTo($n);ot.far||e.push({distance:o,point:$n.clone(),uv:$r.getInterpolation($n,ia,ra,na,aa,oa,ha,new _i),face:null,object:this})}copy(t,e){return super.copy(t,e),void 0!==t.center&&this.center.copy(t.center),this.material=t.material,this}}function ca(t,e,s,i,r,n){ta.subVectors(t,s).addScalar(.5).multiply(i),void 0!==r?(ea.x=n*ta.x-r*ta.y,ea.y=r*ta.x+n*ta.y):ea.copy(ta),t.copy(e),t.x+=ea.x,t.y+=ea.y,t.applyMatrix4(sa)}const ua=new Ti,da=new Ti;class pa extends Ar{constructor(){super(),this.isLOD=!0,this._currentLevel=0,this.type="LOD",Object.defineProperties(this,{levels:{enumerable:!0,value:[]}}),this.autoUpdate=!0}copy(t){super.copy(t,!1);const e=t.levels;for(let t=0,s=e.length;t0){let s,i;for(s=1,i=e.length;s0){ua.setFromMatrixPosition(this.matrixWorld);const s=t.ray.origin.distanceTo(ua);this.getObjectForDistance(s).raycast(t,e)}}update(t){const e=this.levels;if(e.length>1){ua.setFromMatrixPosition(t.matrixWorld),da.setFromMatrixPosition(this.matrixWorld);const s=ua.distanceTo(da)/t.zoom;let i,r;for(e[0].object.visible=!0,i=1,r=e.length;i=t))break;e[i-1].object.visible=!1,e[i].object.visible=!0}for(this._currentLevel=i-1;i0)if(c=n*o-a,u=n*a-o,p=r*l,c>=0)if(u>=-p)if(u<=p){const t=1/l;c*=t,u*=t,d=c*(c+n*u+2*a)+u*(n*c+u+2*o)+h}else u=r,c=Math.max(0,-(n*u+a)),d=-c*c+u*(u+2*o)+h;else u=-r,c=Math.max(0,-(n*u+a)),d=-c*c+u*(u+2*o)+h;else u<=-p?(c=Math.max(0,-(-n*r+a)),u=c>0?-r:Math.min(Math.max(-r,-o),r),d=-c*c+u*(u+2*o)+h):u<=p?(c=0,u=Math.min(Math.max(-r,-o),r),d=u*(u+2*o)+h):(c=Math.max(0,-(n*r+a)),u=c>0?r:Math.min(Math.max(-r,-o),r),d=-c*c+u*(u+2*o)+h);else u=n>0?-r:r,c=Math.max(0,-(n*u+a)),d=-c*c+u*(u+2*o)+h;return s&&s.copy(this.origin).addScaledVector(this.direction,c),i&&i.copy(ya).addScaledVector(ga,u),d}intersectSphere(t,e){ma.subVectors(t.center,this.origin);const s=ma.dot(this.direction),i=ma.dot(ma)-s*s,r=t.radius*t.radius;if(i>r)return null;const n=Math.sqrt(r-i),a=s-n,o=s+n;return o<0?null:a<0?this.at(o,e):this.at(a,e)}intersectsSphere(t){return!(t.radius<0)&&this.distanceSqToPoint(t.center)<=t.radius*t.radius}distanceToPlane(t){const e=t.normal.dot(this.direction);if(0===e)return 0===t.distanceToPoint(this.origin)?0:null;const s=-(this.origin.dot(t.normal)+t.constant)/e;return s>=0?s:null}intersectPlane(t,e){const s=this.distanceToPlane(t);return null===s?null:this.at(s,e)}intersectsPlane(t){const e=t.distanceToPoint(this.origin);if(0===e)return!0;return t.normal.dot(this.direction)*e<0}intersectBox(t,e){let s,i,r,n,a,o;const h=1/this.direction.x,l=1/this.direction.y,c=1/this.direction.z,u=this.origin;return h>=0?(s=(t.min.x-u.x)*h,i=(t.max.x-u.x)*h):(s=(t.max.x-u.x)*h,i=(t.min.x-u.x)*h),l>=0?(r=(t.min.y-u.y)*l,n=(t.max.y-u.y)*l):(r=(t.max.y-u.y)*l,n=(t.min.y-u.y)*l),s>n||r>i?null:((r>s||isNaN(s))&&(s=r),(n=0?(a=(t.min.z-u.z)*c,o=(t.max.z-u.z)*c):(a=(t.max.z-u.z)*c,o=(t.min.z-u.z)*c),s>o||a>i?null:((a>s||s!=s)&&(s=a),(o=0?s:i,e)))}intersectsBox(t){return null!==this.intersectBox(t,ma)}intersectTriangle(t,e,s,i,r){xa.subVectors(e,t),ba.subVectors(s,t),va.crossVectors(xa,ba);let n,a=this.direction.dot(va);if(a>0){if(i)return null;n=1}else{if(!(a<0))return null;n=-1,a=-a}fa.subVectors(this.origin,t);const o=n*this.direction.dot(ba.crossVectors(fa,ba));if(o<0)return null;const h=n*this.direction.dot(xa.cross(fa));if(h<0)return null;if(o+h>a)return null;const l=-n*fa.dot(va);return l<0?null:this.at(l/a,r)}applyMatrix4(t){return this.origin.applyMatrix4(t),this.direction.transformDirection(t),this}equals(t){return t.origin.equals(this.origin)&&t.direction.equals(this.direction)}clone(){return(new this.constructor).copy(this)}}class Ma extends Zn{constructor(t){super(),this.isMeshBasicMaterial=!0,this.type="MeshBasicMaterial",this.color=new Pr(16777215),this.map=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.specularMap=null,this.alphaMap=null,this.envMap=null,this.envMapRotation=new hr,this.combine=0,this.reflectivity=1,this.refractionRatio=.98,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.fog=!0,this.setValues(t)}copy(t){return super.copy(t),this.color.copy(t.color),this.map=t.map,this.lightMap=t.lightMap,this.lightMapIntensity=t.lightMapIntensity,this.aoMap=t.aoMap,this.aoMapIntensity=t.aoMapIntensity,this.specularMap=t.specularMap,this.alphaMap=t.alphaMap,this.envMap=t.envMap,this.envMapRotation.copy(t.envMapRotation),this.combine=t.combine,this.reflectivity=t.reflectivity,this.refractionRatio=t.refractionRatio,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.wireframeLinecap=t.wireframeLinecap,this.wireframeLinejoin=t.wireframeLinejoin,this.fog=t.fog,this}}const Sa=new Qi,_a=new wa,Aa=new En,Ta=new Ti,za=new Ti,Ca=new Ti,Ia=new Ti,Ba=new Ti,ka=new Ti,Oa=new Ti,Pa=new Ti;class Ra extends Ar{constructor(t=new Wn,e=new Ma){super(),this.isMesh=!0,this.type="Mesh",this.geometry=t,this.material=e,this.morphTargetDictionary=void 0,this.morphTargetInfluences=void 0,this.count=1,this.updateMorphTargets()}copy(t,e){return super.copy(t,e),void 0!==t.morphTargetInfluences&&(this.morphTargetInfluences=t.morphTargetInfluences.slice()),void 0!==t.morphTargetDictionary&&(this.morphTargetDictionary=Object.assign({},t.morphTargetDictionary)),this.material=Array.isArray(t.material)?t.material.slice():t.material,this.geometry=t.geometry,this}updateMorphTargets(){const t=this.geometry.morphAttributes,e=Object.keys(t);if(e.length>0){const s=t[e[0]];if(void 0!==s){this.morphTargetInfluences=[],this.morphTargetDictionary={};for(let t=0,e=s.length;t(t.far-t.near)**2)return}Sa.copy(r).invert(),_a.copy(t.ray).applyMatrix4(Sa),null!==s.boundingBox&&!1===_a.intersectsBox(s.boundingBox)||this._computeIntersections(t,e,_a)}}_computeIntersections(t,e,s){let i;const r=this.geometry,n=this.material,a=r.index,o=r.attributes.position,h=r.attributes.uv,l=r.attributes.uv1,c=r.attributes.normal,u=r.groups,d=r.drawRange;if(null!==a)if(Array.isArray(n))for(let r=0,o=u.length;rs.far?null:{distance:l,point:Pa.clone(),object:t}}(t,e,s,i,za,Ca,Ia,Oa);if(c){const t=new Ti;$r.getBarycoord(Oa,za,Ca,Ia,t),r&&(c.uv=$r.getInterpolatedAttribute(r,o,h,l,t,new _i)),n&&(c.uv1=$r.getInterpolatedAttribute(n,o,h,l,t,new _i)),a&&(c.normal=$r.getInterpolatedAttribute(a,o,h,l,t,new Ti),c.normal.dot(i.direction)>0&&c.normal.multiplyScalar(-1));const e={a:o,b:h,c:l,normal:new Ti,materialIndex:0};$r.getNormal(za,Ca,Ia,e.normal),c.face=e,c.barycoord=t}return c}const Na=new qi,Va=new qi,La=new qi,Fa=new qi,Da=new Qi,Ua=new Ti,ja=new En,Wa=new Qi,Ja=new wa;class qa extends Ra{constructor(t,e){super(t,e),this.isSkinnedMesh=!0,this.type="SkinnedMesh",this.bindMode=at,this.bindMatrix=new Qi,this.bindMatrixInverse=new Qi,this.boundingBox=null,this.boundingSphere=null}computeBoundingBox(){const t=this.geometry;null===this.boundingBox&&(this.boundingBox=new Qr),this.boundingBox.makeEmpty();const e=t.getAttribute("position");for(let t=0;t1)?null:e.copy(t.start).addScaledVector(i,n)}intersectsLine(t){const e=this.distanceToPoint(t.start),s=this.distanceToPoint(t.end);return e<0&&s>0||s<0&&e>0}intersectsBox(t){return t.intersectsPlane(this)}intersectsSphere(t){return t.intersectsPlane(this)}coplanarPoint(t){return t.copy(this.normal).multiplyScalar(-this.constant)}applyMatrix4(t,e){const s=e||ho.getNormalMatrix(t),i=this.coplanarPoint(ao).applyMatrix4(t),r=this.normal.applyMatrix3(s).normalize();return this.constant=-i.dot(r),this}translate(t){return this.constant-=t.dot(this.normal),this}equals(t){return t.normal.equals(this.normal)&&t.constant===this.constant}clone(){return(new this.constructor).copy(this)}}const co=new En,uo=new _i(.5,.5),po=new Ti;class mo{constructor(t=new lo,e=new lo,s=new lo,i=new lo,r=new lo,n=new lo){this.planes=[t,e,s,i,r,n]}set(t,e,s,i,r,n){const a=this.planes;return a[0].copy(t),a[1].copy(e),a[2].copy(s),a[3].copy(i),a[4].copy(r),a[5].copy(n),this}copy(t){const e=this.planes;for(let s=0;s<6;s++)e[s].copy(t.planes[s]);return this}setFromProjectionMatrix(t,e=2e3,s=!1){const i=this.planes,r=t.elements,n=r[0],a=r[1],o=r[2],h=r[3],l=r[4],c=r[5],u=r[6],d=r[7],p=r[8],m=r[9],y=r[10],g=r[11],f=r[12],x=r[13],b=r[14],v=r[15];if(i[0].setComponents(h-n,d-l,g-p,v-f).normalize(),i[1].setComponents(h+n,d+l,g+p,v+f).normalize(),i[2].setComponents(h+a,d+c,g+m,v+x).normalize(),i[3].setComponents(h-a,d-c,g-m,v-x).normalize(),s)i[4].setComponents(o,u,y,b).normalize(),i[5].setComponents(h-o,d-u,g-y,v-b).normalize();else if(i[4].setComponents(h-o,d-u,g-y,v-b).normalize(),e===Ws)i[5].setComponents(h+o,d+u,g+y,v+b).normalize();else{if(e!==Js)throw new Error("THREE.Frustum.setFromProjectionMatrix(): Invalid coordinate system: "+e);i[5].setComponents(o,u,y,b).normalize()}return this}intersectsObject(t){if(void 0!==t.boundingSphere)null===t.boundingSphere&&t.computeBoundingSphere(),co.copy(t.boundingSphere).applyMatrix4(t.matrixWorld);else{const e=t.geometry;null===e.boundingSphere&&e.computeBoundingSphere(),co.copy(e.boundingSphere).applyMatrix4(t.matrixWorld)}return this.intersectsSphere(co)}intersectsSprite(t){co.center.set(0,0,0);const e=uo.distanceTo(t.center);return co.radius=.7071067811865476+e,co.applyMatrix4(t.matrixWorld),this.intersectsSphere(co)}intersectsSphere(t){const e=this.planes,s=t.center,i=-t.radius;for(let t=0;t<6;t++){if(e[t].distanceToPoint(s)0?t.max.x:t.min.x,po.y=i.normal.y>0?t.max.y:t.min.y,po.z=i.normal.z>0?t.max.z:t.min.z,i.distanceToPoint(po)<0)return!1}return!0}containsPoint(t){const e=this.planes;for(let s=0;s<6;s++)if(e[s].distanceToPoint(t)<0)return!1;return!0}clone(){return(new this.constructor).copy(this)}}const yo=new Qi;class go{constructor(){this.coordinateSystem=Ws,this._frustums=[],this._count=0}setFromArrayCamera(t){const e=t.cameras,s=this._frustums;for(let t=0;t=r.length&&r.push({start:-1,count:-1,z:-1,index:-1});const a=r[this.index];n.push(a),this.index++,a.start=t,a.count=e,a.z=s,a.index=i}reset(){this.list.length=0,this.index=0}}const wo=new Qi,Mo=new Pr(1,1,1),So=new mo,_o=new go,Ao=new Qr,To=new En,zo=new Ti,Co=new Ti,Io=new Ti,Bo=new vo,ko=new Ra,Oo=[];function Po(t,e,s=0){const i=e.itemSize;if(t.isInterleavedBufferAttribute||t.array.constructor!==e.array.constructor){const r=t.count;for(let n=0;n65535?new Uint32Array(i):new Uint16Array(i);e.setIndex(new Mn(t,1))}this._geometryInitialized=!0}}_validateGeometry(t){const e=this.geometry;if(Boolean(t.getIndex())!==Boolean(e.getIndex()))throw new Error('THREE.BatchedMesh: All geometries must consistently have "index".');for(const s in e.attributes){if(!t.hasAttribute(s))throw new Error(`THREE.BatchedMesh: Added geometry missing "${s}". All geometries must have consistent attributes.`);const i=t.getAttribute(s),r=e.getAttribute(s);if(i.itemSize!==r.itemSize||i.normalized!==r.normalized)throw new Error("THREE.BatchedMesh: All attributes must have a consistent itemSize and normalized value.")}}validateInstanceId(t){const e=this._instanceInfo;if(t<0||t>=e.length||!1===e[t].active)throw new Error(`THREE.BatchedMesh: Invalid instanceId ${t}. Instance is either out of range or has been deleted.`)}validateGeometryId(t){const e=this._geometryInfo;if(t<0||t>=e.length||!1===e[t].active)throw new Error(`THREE.BatchedMesh: Invalid geometryId ${t}. Geometry is either out of range or has been deleted.`)}setCustomSort(t){return this.customSort=t,this}computeBoundingBox(){null===this.boundingBox&&(this.boundingBox=new Qr);const t=this.boundingBox,e=this._instanceInfo;t.makeEmpty();for(let s=0,i=e.length;s=this.maxInstanceCount&&0===this._availableInstanceIds.length)throw new Error("THREE.BatchedMesh: Maximum item count reached.");const e={visible:!0,active:!0,geometryIndex:t};let s=null;this._availableInstanceIds.length>0?(this._availableInstanceIds.sort(fo),s=this._availableInstanceIds.shift(),this._instanceInfo[s]=e):(s=this._instanceInfo.length,this._instanceInfo.push(e));const i=this._matricesTexture;wo.identity().toArray(i.image.data,16*s),i.needsUpdate=!0;const r=this._colorsTexture;return r&&(Mo.toArray(r.image.data,4*s),r.needsUpdate=!0),this._visibilityChanged=!0,s}addGeometry(t,e=-1,s=-1){this._initializeGeometry(t),this._validateGeometry(t);const i={vertexStart:-1,vertexCount:-1,reservedVertexCount:-1,indexStart:-1,indexCount:-1,reservedIndexCount:-1,start:-1,count:-1,boundingBox:null,boundingSphere:null,active:!0},r=this._geometryInfo;i.vertexStart=this._nextVertexStart,i.reservedVertexCount=-1===e?t.getAttribute("position").count:e;const n=t.getIndex();if(null!==n&&(i.indexStart=this._nextIndexStart,i.reservedIndexCount=-1===s?n.count:s),-1!==i.indexStart&&i.indexStart+i.reservedIndexCount>this._maxIndexCount||i.vertexStart+i.reservedVertexCount>this._maxVertexCount)throw new Error("THREE.BatchedMesh: Reserved space request exceeds the maximum buffer size.");let a;return this._availableGeometryIds.length>0?(this._availableGeometryIds.sort(fo),a=this._availableGeometryIds.shift(),r[a]=i):(a=this._geometryCount,this._geometryCount++,r.push(i)),this.setGeometryAt(a,t),this._nextIndexStart=i.indexStart+i.reservedIndexCount,this._nextVertexStart=i.vertexStart+i.reservedVertexCount,a}setGeometryAt(t,e){if(t>=this._geometryCount)throw new Error("THREE.BatchedMesh: Maximum geometry count reached.");this._validateGeometry(e);const s=this.geometry,i=null!==s.getIndex(),r=s.getIndex(),n=e.getIndex(),a=this._geometryInfo[t];if(i&&n.count>a.reservedIndexCount||e.attributes.position.count>a.reservedVertexCount)throw new Error("THREE.BatchedMesh: Reserved space not large enough for provided geometry.");const o=a.vertexStart,h=a.reservedVertexCount;a.vertexCount=e.getAttribute("position").count;for(const t in s.attributes){const i=e.getAttribute(t),r=s.getAttribute(t);Po(i,r,o);const n=i.itemSize;for(let t=i.count,e=h;t=e.length||!1===e[t].active)return this;const s=this._instanceInfo;for(let e=0,i=s.length;ee).sort((t,e)=>s[t].vertexStart-s[e].vertexStart),r=this.geometry;for(let n=0,a=s.length;n=this._geometryCount)return null;const s=this.geometry,i=this._geometryInfo[t];if(null===i.boundingBox){const t=new Qr,e=s.index,r=s.attributes.position;for(let s=i.start,n=i.start+i.count;s=this._geometryCount)return null;const s=this.geometry,i=this._geometryInfo[t];if(null===i.boundingSphere){const e=new En;this.getBoundingBoxAt(t,Ao),Ao.getCenter(e.center);const r=s.index,n=s.attributes.position;let a=0;for(let t=i.start,s=i.start+i.count;tt.active);if(Math.max(...s.map(t=>t.vertexStart+t.reservedVertexCount))>t)throw new Error(`THREE.BatchedMesh: Geometry vertex values are being used outside the range ${e}. Cannot shrink further.`);if(this.geometry.index){if(Math.max(...s.map(t=>t.indexStart+t.reservedIndexCount))>e)throw new Error(`THREE.BatchedMesh: Geometry index values are being used outside the range ${e}. Cannot shrink further.`)}const i=this.geometry;i.dispose(),this._maxVertexCount=t,this._maxIndexCount=e,this._geometryInitialized&&(this._geometryInitialized=!1,this.geometry=new Wn,this._initializeGeometry(i));const r=this.geometry;i.index&&Ro(i.index.array,r.index.array);for(const t in i.attributes)Ro(i.attributes[t].array,r.attributes[t].array)}raycast(t,e){const s=this._instanceInfo,i=this._geometryInfo,r=this.matrixWorld,n=this.geometry;ko.material=this.material,ko.geometry.index=n.index,ko.geometry.attributes=n.attributes,null===ko.geometry.boundingBox&&(ko.geometry.boundingBox=new Qr),null===ko.geometry.boundingSphere&&(ko.geometry.boundingSphere=new En);for(let n=0,a=s.length;n({...t,boundingBox:null!==t.boundingBox?t.boundingBox.clone():null,boundingSphere:null!==t.boundingSphere?t.boundingSphere.clone():null})),this._instanceInfo=t._instanceInfo.map(t=>({...t})),this._availableInstanceIds=t._availableInstanceIds.slice(),this._availableGeometryIds=t._availableGeometryIds.slice(),this._nextIndexStart=t._nextIndexStart,this._nextVertexStart=t._nextVertexStart,this._geometryCount=t._geometryCount,this._maxInstanceCount=t._maxInstanceCount,this._maxVertexCount=t._maxVertexCount,this._maxIndexCount=t._maxIndexCount,this._geometryInitialized=t._geometryInitialized,this._multiDrawCounts=t._multiDrawCounts.slice(),this._multiDrawStarts=t._multiDrawStarts.slice(),this._indirectTexture=t._indirectTexture.clone(),this._indirectTexture.image.data=this._indirectTexture.image.data.slice(),this._matricesTexture=t._matricesTexture.clone(),this._matricesTexture.image.data=this._matricesTexture.image.data.slice(),null!==this._colorsTexture&&(this._colorsTexture=t._colorsTexture.clone(),this._colorsTexture.image.data=this._colorsTexture.image.data.slice()),this}dispose(){this.geometry.dispose(),this._matricesTexture.dispose(),this._matricesTexture=null,this._indirectTexture.dispose(),this._indirectTexture=null,null!==this._colorsTexture&&(this._colorsTexture.dispose(),this._colorsTexture=null)}onBeforeRender(t,e,s,i,r){if(!this._visibilityChanged&&!this.perObjectFrustumCulled&&!this.sortObjects)return;const n=i.getIndex();let a=null===n?1:n.array.BYTES_PER_ELEMENT,o=1;r.wireframe&&(o=2,a=i.attributes.position.count>65535?4:2);const h=this._instanceInfo,l=this._multiDrawStarts,c=this._multiDrawCounts,u=this._geometryInfo,d=this.perObjectFrustumCulled,p=this._indirectTexture,m=p.image.data,y=s.isArrayCamera?_o:So;d&&(s.isArrayCamera?y.setFromArrayCamera(s):(wo.multiplyMatrices(s.projectionMatrix,s.matrixWorldInverse).multiply(this.matrixWorld),y.setFromProjectionMatrix(wo,s.coordinateSystem,s.reversedDepth)));let g=0;if(this.sortObjects){wo.copy(this.matrixWorld).invert(),zo.setFromMatrixPosition(s.matrixWorld).applyMatrix4(wo),Co.set(0,0,-1).transformDirection(s.matrixWorld).transformDirection(wo);for(let t=0,e=h.length;t0){const s=t[e[0]];if(void 0!==s){this.morphTargetInfluences=[],this.morphTargetDictionary={};for(let t=0,e=s.length;ti)return;jo.applyMatrix4(t.matrixWorld);const h=e.ray.origin.distanceTo(jo);return he.far?void 0:{distance:h,point:Wo.clone().applyMatrix4(t.matrixWorld),index:a,face:null,faceIndex:null,barycoord:null,object:t}}const Ho=new Ti,Xo=new Ti;class Yo extends Jo{constructor(t,e){super(t,e),this.isLineSegments=!0,this.type="LineSegments"}computeLineDistances(){const t=this.geometry;if(null===t.index){const e=t.attributes.position,s=[];for(let t=0,i=e.count;t0){const s=t[e[0]];if(void 0!==s){this.morphTargetInfluences=[],this.morphTargetDictionary={};for(let t=0,e=s.length;tr.far)return;n.push({distance:h,distanceToRay:Math.sqrt(o),point:s,index:e,face:null,faceIndex:null,barycoord:null,object:a})}}class ih extends Ji{constructor(t,e,s,i,r=1006,n=1006,a,o,h){super(t,e,s,i,r,n,a,o,h),this.isVideoTexture=!0,this.generateMipmaps=!1,this._requestVideoFrameCallbackId=0;const l=this;"requestVideoFrameCallback"in t&&(this._requestVideoFrameCallbackId=t.requestVideoFrameCallback(function e(){l.needsUpdate=!0,l._requestVideoFrameCallbackId=t.requestVideoFrameCallback(e)}))}clone(){return new this.constructor(this.image).copy(this)}update(){const t=this.image;!1==="requestVideoFrameCallback"in t&&t.readyState>=t.HAVE_CURRENT_DATA&&(this.needsUpdate=!0)}dispose(){0!==this._requestVideoFrameCallbackId&&(this.source.data.cancelVideoFrameCallback(this._requestVideoFrameCallbackId),this._requestVideoFrameCallbackId=0),super.dispose()}}class rh extends ih{constructor(t,e,s,i,r,n,a,o){super({},t,e,s,i,r,n,a,o),this.isVideoFrameTexture=!0}update(){}clone(){return(new this.constructor).copy(this)}setFrame(t){this.image=t,this.needsUpdate=!0}}class nh extends Ji{constructor(t,e){super({width:t,height:e}),this.isFramebufferTexture=!0,this.magFilter=ft,this.minFilter=ft,this.generateMipmaps=!1,this.needsUpdate=!0}}class ah extends Ji{constructor(t,e,s,i,r,n,a,o,h,l,c,u){super(null,n,a,o,h,l,i,r,c,u),this.isCompressedTexture=!0,this.image={width:e,height:s},this.mipmaps=t,this.flipY=!1,this.generateMipmaps=!1}}class oh extends ah{constructor(t,e,s,i,r,n){super(t,e,s,r,n),this.isCompressedArrayTexture=!0,this.image.depth=i,this.wrapR=yt,this.layerUpdates=new Set}addLayerUpdate(t){this.layerUpdates.add(t)}clearLayerUpdates(){this.layerUpdates.clear()}}class hh extends ah{constructor(t,e,s){super(void 0,t[0].width,t[0].height,e,s,lt),this.isCompressedCubeTexture=!0,this.isCubeTexture=!0,this.image=t}}class lh extends Ji{constructor(t=[],e=301,s,i,r,n,a,o,h,l){super(t,e,s,i,r,n,a,o,h,l),this.isCubeTexture=!0,this.flipY=!1}get images(){return this.image}set images(t){this.image=t}}class ch extends Ji{constructor(t,e,s,i,r,n,a,o,h){super(t,e,s,i,r,n,a,o,h),this.isCanvasTexture=!0,this.needsUpdate=!0}}class uh extends Ji{constructor(t,e,s,i,r,n,a,o,h){super(t,e,s,i,r,n,a,o,h),this.isHTMLTexture=!0,this.generateMipmaps=!1,this.needsUpdate=!0;const l=t?t.parentNode:null;null!==l&&"requestPaint"in l&&(l.onpaint=()=>{this.needsUpdate=!0},l.requestPaint())}dispose(){const t=this.image?this.image.parentNode:null;null!==t&&"onpaint"in t&&(t.onpaint=null),super.dispose()}}class dh extends Ji{constructor(t,e,s=1014,i,r,n,a=1003,o=1003,h,l=1026,c=1){if(l!==Wt&&1027!==l)throw new Error("THREE.DepthTexture: format must be either THREE.DepthFormat or THREE.DepthStencilFormat");super({width:t,height:e,depth:c},i,r,n,a,o,l,s,h),this.isDepthTexture=!0,this.flipY=!1,this.generateMipmaps=!1,this.compareFunction=null}copy(t){return super.copy(t),this.source=new Di(Object.assign({},t.image)),this.compareFunction=t.compareFunction,this}toJSON(t){const e=super.toJSON(t);return null!==this.compareFunction&&(e.compareFunction=this.compareFunction),e}}class ph extends dh{constructor(t,e=1014,s=301,i,r,n=1003,a=1003,o,h=1026){const l={width:t,height:t,depth:1},c=[l,l,l,l,l,l];super(t,t,e,s,i,r,n,a,o,h),this.image=c,this.isCubeDepthTexture=!0,this.isCubeTexture=!0}get images(){return this.image}set images(t){this.image=t}}class mh extends Ji{constructor(t=null){super(),this.sourceTexture=t,this.isExternalTexture=!0}copy(t){return super.copy(t),this.sourceTexture=t.sourceTexture,this}}class yh extends Wn{constructor(t=1,e=1,s=1,i=1,r=1,n=1){super(),this.type="BoxGeometry",this.parameters={width:t,height:e,depth:s,widthSegments:i,heightSegments:r,depthSegments:n};const a=this;i=Math.floor(i),r=Math.floor(r),n=Math.floor(n);const o=[],h=[],l=[],c=[];let u=0,d=0;function p(t,e,s,i,r,n,p,m,y,g,f){const x=n/y,b=p/g,v=n/2,w=p/2,M=m/2,S=y+1,_=g+1;let A=0,T=0;const z=new Ti;for(let n=0;n<_;n++){const a=n*b-w;for(let o=0;o0?1:-1,l.push(z.x,z.y,z.z),c.push(o/y),c.push(1-n/g),A+=1}}for(let t=0;t0){const t=(f-1)*m;for(let e=0;e0||0!==i)&&(l.push(n,a,h),x+=3),(e>0||i!==r-1)&&(l.push(a,o,h),x+=3)}h.addGroup(g,x,0),g+=x}(),!1===n&&(t>0&&f(!0),e>0&&f(!1)),this.setIndex(l),this.setAttribute("position",new kn(c,3)),this.setAttribute("normal",new kn(u,3)),this.setAttribute("uv",new kn(d,2))}copy(t){return super.copy(t),this.parameters=Object.assign({},t.parameters),this}static fromJSON(t){return new xh(t.radiusTop,t.radiusBottom,t.height,t.radialSegments,t.heightSegments,t.openEnded,t.thetaStart,t.thetaLength)}}class bh extends xh{constructor(t=1,e=1,s=32,i=1,r=!1,n=0,a=2*Math.PI){super(0,t,e,s,i,r,n,a),this.type="ConeGeometry",this.parameters={radius:t,height:e,radialSegments:s,heightSegments:i,openEnded:r,thetaStart:n,thetaLength:a}}static fromJSON(t){return new bh(t.radius,t.height,t.radialSegments,t.heightSegments,t.openEnded,t.thetaStart,t.thetaLength)}}class vh extends Wn{constructor(t=[],e=[],s=1,i=0){super(),this.type="PolyhedronGeometry",this.parameters={vertices:t,indices:e,radius:s,detail:i};const r=[],n=[];function a(t,e,s,i){const r=i+1,n=[];for(let i=0;i<=r;i++){n[i]=[];const a=t.clone().lerp(s,i/r),o=e.clone().lerp(s,i/r),h=r-i;for(let t=0;t<=h;t++)n[i][t]=0===t&&i===r?a:a.clone().lerp(o,t/h)}for(let t=0;t.9&&a<.1&&(e<.2&&(n[t+0]+=1),s<.2&&(n[t+2]+=1),i<.2&&(n[t+4]+=1))}}()}(),this.setAttribute("position",new kn(r,3)),this.setAttribute("normal",new kn(r.slice(),3)),this.setAttribute("uv",new kn(n,2)),0===i?this.computeVertexNormals():this.normalizeNormals()}copy(t){return super.copy(t),this.parameters=Object.assign({},t.parameters),this}static fromJSON(t){return new vh(t.vertices,t.indices,t.radius,t.detail)}}class wh extends vh{constructor(t=1,e=0){const s=(1+Math.sqrt(5))/2,i=1/s;super([-1,-1,-1,-1,-1,1,-1,1,-1,-1,1,1,1,-1,-1,1,-1,1,1,1,-1,1,1,1,0,-i,-s,0,-i,s,0,i,-s,0,i,s,-i,-s,0,-i,s,0,i,-s,0,i,s,0,-s,0,-i,s,0,-i,-s,0,i,s,0,i],[3,11,7,3,7,15,3,15,13,7,19,17,7,17,6,7,6,15,17,4,8,17,8,10,17,10,6,8,0,16,8,16,2,8,2,10,0,12,1,0,1,18,0,18,16,6,10,2,6,2,13,6,13,15,2,16,18,2,18,3,2,3,13,18,1,9,18,9,11,18,11,3,4,14,12,4,12,0,4,0,8,11,9,5,11,5,19,11,19,7,19,5,14,19,14,4,19,4,17,1,12,14,1,14,5,1,5,9],t,e),this.type="DodecahedronGeometry",this.parameters={radius:t,detail:e}}static fromJSON(t){return new wh(t.radius,t.detail)}}const Mh=new Ti,Sh=new Ti,_h=new Ti,Ah=new $r;class Th extends Wn{constructor(t=null,e=1){if(super(),this.type="EdgesGeometry",this.parameters={geometry:t,thresholdAngle:e},null!==t){const s=4,i=Math.pow(10,s),r=Math.cos(yi*e),n=t.getIndex(),a=t.getAttribute("position"),o=n?n.count:a.count,h=[0,0,0],l=["a","b","c"],c=new Array(3),u={},d=[];for(let t=0;t0)){h=i;break}h=i-1}if(i=h,s[i]===n)return i/(r-1);const l=s[i];return(i+(n-l)/(s[i+1]-l))/(r-1)}getTangent(t,e){const s=1e-4;let i=t-s,r=t+s;i<0&&(i=0),r>1&&(r=1);const n=this.getPoint(i),a=this.getPoint(r),o=e||(n.isVector2?new _i:new Ti);return o.copy(a).sub(n).normalize(),o}getTangentAt(t,e){const s=this.getUtoTmapping(t);return this.getTangent(s,e)}computeFrenetFrames(t,e=!1){const s=new Ti,i=[],r=[],n=[],a=new Ti,o=new Qi;for(let e=0;e<=t;e++){const s=e/t;i[e]=this.getTangentAt(s,new Ti)}r[0]=new Ti,n[0]=new Ti;let h=Number.MAX_VALUE;const l=Math.abs(i[0].x),c=Math.abs(i[0].y),u=Math.abs(i[0].z);l<=h&&(h=l,s.set(1,0,0)),c<=h&&(h=c,s.set(0,1,0)),u<=h&&s.set(0,0,1),a.crossVectors(i[0],s).normalize(),r[0].crossVectors(i[0],a),n[0].crossVectors(i[0],r[0]);for(let e=1;e<=t;e++){if(r[e]=r[e-1].clone(),n[e]=n[e-1].clone(),a.crossVectors(i[e-1],i[e]),a.length()>Number.EPSILON){a.normalize();const t=Math.acos(xi(i[e-1].dot(i[e]),-1,1));r[e].applyMatrix4(o.makeRotationAxis(a,t))}n[e].crossVectors(i[e],r[e])}if(!0===e){let e=Math.acos(xi(r[0].dot(r[t]),-1,1));e/=t,i[0].dot(a.crossVectors(r[0],r[t]))>0&&(e=-e);for(let s=1;s<=t;s++)r[s].applyMatrix4(o.makeRotationAxis(i[s],e*s)),n[s].crossVectors(i[s],r[s])}return{tangents:i,normals:r,binormals:n}}clone(){return(new this.constructor).copy(this)}copy(t){return this.arcLengthDivisions=t.arcLengthDivisions,this}toJSON(){const t={metadata:{version:4.7,type:"Curve",generator:"Curve.toJSON"}};return t.arcLengthDivisions=this.arcLengthDivisions,t.type=this.type,t}fromJSON(t){return this.arcLengthDivisions=t.arcLengthDivisions,this}}class Ch extends zh{constructor(t=0,e=0,s=1,i=1,r=0,n=2*Math.PI,a=!1,o=0){super(),this.isEllipseCurve=!0,this.type="EllipseCurve",this.aX=t,this.aY=e,this.xRadius=s,this.yRadius=i,this.aStartAngle=r,this.aEndAngle=n,this.aClockwise=a,this.aRotation=o}getPoint(t,e=new _i){const s=e,i=2*Math.PI;let r=this.aEndAngle-this.aStartAngle;const n=Math.abs(r)i;)r-=i;r0?0:(Math.floor(Math.abs(h)/r)+1)*r:0===l&&h===r-1&&(h=r-2,l=1),this.closed||h>0?a=i[(h-1)%r]:(Oh.subVectors(i[0],i[1]).add(i[0]),a=Oh);const c=i[h%r],u=i[(h+1)%r];if(this.closed||h+2i.length-2?i.length-1:n+1],c=i[n>i.length-3?i.length-1:n+2];return s.set(Vh(a,o.x,h.x,l.x,c.x),Vh(a,o.y,h.y,l.y,c.y)),s}copy(t){super.copy(t),this.points=[];for(let e=0,s=t.points.length;e=s){const t=i[r]-s,n=this.curves[r],a=n.getLength(),o=0===a?0:1-t/a;return n.getPointAt(o,e)}r++}return null}getLength(){const t=this.getCurveLengths();return t[t.length-1]}updateArcLengths(){this.needsUpdate=!0,this.cacheLengths=null,this.getCurveLengths()}getCurveLengths(){if(this.cacheLengths&&this.cacheLengths.length===this.curves.length)return this.cacheLengths;const t=[];let e=0;for(let s=0,i=this.curves.length;s1&&!e[e.length-1].equals(e[0])&&e.push(e[0]),e}copy(t){super.copy(t),this.curves=[];for(let e=0,s=t.curves.length;e0){const t=h.getPoint(0);t.equals(this.currentPoint)||this.lineTo(t.x,t.y)}this.curves.push(h);const l=h.getPoint(1);return this.currentPoint.copy(l),this}copy(t){return super.copy(t),this.currentPoint.copy(t.currentPoint),this}toJSON(){const t=super.toJSON();return t.currentPoint=this.currentPoint.toArray(),t}fromJSON(t){return super.fromJSON(t),this.currentPoint.fromArray(t.currentPoint),this}}class Gh extends Zh{constructor(t){super(t),this.uuid=fi(),this.type="Shape",this.holes=[]}getPointsHoles(t){const e=[];for(let s=0,i=this.holes.length;s80*s){o=t[0],h=t[1];let e=o,i=h;for(let 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b=t.prevZ,v=t.nextZ;for(;b&&b.z>=f&&v&&v.z<=x;){if(b.x>=p&&b.x<=y&&b.y>=m&&b.y<=g&&b!==r&&b!==a&&ul(o,c,h,u,l,d,b.x,b.y)&&pl(b.prev,b,b.next)>=0)return!1;if(b=b.prevZ,v.x>=p&&v.x<=y&&v.y>=m&&v.y<=g&&v!==r&&v!==a&&ul(o,c,h,u,l,d,v.x,v.y)&&pl(v.prev,v,v.next)>=0)return!1;v=v.nextZ}for(;b&&b.z>=f;){if(b.x>=p&&b.x<=y&&b.y>=m&&b.y<=g&&b!==r&&b!==a&&ul(o,c,h,u,l,d,b.x,b.y)&&pl(b.prev,b,b.next)>=0)return!1;b=b.prevZ}for(;v&&v.z<=x;){if(v.x>=p&&v.x<=y&&v.y>=m&&v.y<=g&&v!==r&&v!==a&&ul(o,c,h,u,l,d,v.x,v.y)&&pl(v.prev,v,v.next)>=0)return!1;v=v.nextZ}return!0}function il(t,e){let s=t;do{const i=s.prev,r=s.next.next;!ml(i,r)&&yl(i,s,s.next,r)&&xl(i,r)&&xl(r,i)&&(e.push(i.i,s.i,r.i),wl(s),wl(s.next),s=t=r),s=s.next}while(s!==t);return Kh(s)}function rl(t,e,s,i,r,n){let a=t;do{let t=a.next.next;for(;t!==a.prev;){if(a.i!==t.i&&dl(a,t)){let o=bl(a,t);return a=Kh(a,a.next),o=Kh(o,o.next),tl(a,e,s,i,r,n,0),void tl(o,e,s,i,r,n,0)}t=t.next}a=a.next}while(a!==t)}function nl(t,e){let s=t.x-e.x;if(0===s&&(s=t.y-e.y,0===s)){s=(t.next.y-t.y)/(t.next.x-t.x)-(e.next.y-e.y)/(e.next.x-e.x)}return s}function al(t,e){const s=function(t,e){let s=e;const i=t.x,r=t.y;let n,a=-1/0;if(ml(t,s))return s;do{if(ml(t,s.next))return s.next;if(r<=s.y&&r>=s.next.y&&s.next.y!==s.y){const t=s.x+(r-s.y)*(s.next.x-s.x)/(s.next.y-s.y);if(t<=i&&t>a&&(a=t,n=s.x=s.x&&s.x>=h&&i!==s.x&&cl(rn.x||s.x===n.x&&ol(n,s)))&&(n=s,c=e)}s=s.next}while(s!==o);return n}(t,e);if(!s)return e;const i=bl(s,t);return Kh(i,i.next),Kh(s,s.next)}function ol(t,e){return pl(t.prev,t,e.prev)<0&&pl(e.next,t,t.next)<0}function hl(t,e,s,i,r){return(t=1431655765&((t=858993459&((t=252645135&((t=16711935&((t=(t-s)*r|0)|t<<8))|t<<4))|t<<2))|t<<1))|(e=1431655765&((e=858993459&((e=252645135&((e=16711935&((e=(e-i)*r|0)|e<<8))|e<<4))|e<<2))|e<<1))<<1}function ll(t){let e=t,s=t;do{(e.x=(t-a)*(n-o)&&(t-a)*(i-o)>=(s-a)*(e-o)&&(s-a)*(n-o)>=(r-a)*(i-o)}function ul(t,e,s,i,r,n,a,o){return!(t===a&&e===o)&&cl(t,e,s,i,r,n,a,o)}function dl(t,e){return t.next.i!==e.i&&t.prev.i!==e.i&&!function(t,e){let s=t;do{if(s.i!==t.i&&s.next.i!==t.i&&s.i!==e.i&&s.next.i!==e.i&&yl(s,s.next,t,e))return!0;s=s.next}while(s!==t);return!1}(t,e)&&(xl(t,e)&&xl(e,t)&&function(t,e){let s=t,i=!1;const r=(t.x+e.x)/2,n=(t.y+e.y)/2;do{s.y>n!=s.next.y>n&&s.next.y!==s.y&&r<(s.next.x-s.x)*(n-s.y)/(s.next.y-s.y)+s.x&&(i=!i),s=s.next}while(s!==t);return i}(t,e)&&(pl(t.prev,t,e.prev)||pl(t,e.prev,e))||ml(t,e)&&pl(t.prev,t,t.next)>0&&pl(e.prev,e,e.next)>0)}function pl(t,e,s){return(e.y-t.y)*(s.x-e.x)-(e.x-t.x)*(s.y-e.y)}function ml(t,e){return t.x===e.x&&t.y===e.y}function yl(t,e,s,i){const r=fl(pl(t,e,s)),n=fl(pl(t,e,i)),a=fl(pl(s,i,t)),o=fl(pl(s,i,e));return r!==n&&a!==o||(!(0!==r||!gl(t,s,e))||(!(0!==n||!gl(t,i,e))||(!(0!==a||!gl(s,t,i))||!(0!==o||!gl(s,e,i)))))}function gl(t,e,s){return e.x<=Math.max(t.x,s.x)&&e.x>=Math.min(t.x,s.x)&&e.y<=Math.max(t.y,s.y)&&e.y>=Math.min(t.y,s.y)}function fl(t){return t>0?1:t<0?-1:0}function xl(t,e){return pl(t.prev,t,t.next)<0?pl(t,e,t.next)>=0&&pl(t,t.prev,e)>=0:pl(t,e,t.prev)<0||pl(t,t.next,e)<0}function bl(t,e){const s=Ml(t.i,t.x,t.y),i=Ml(e.i,e.x,e.y),r=t.next,n=e.prev;return t.next=e,e.prev=t,s.next=r,r.prev=s,i.next=s,s.prev=i,n.next=i,i.prev=n,i}function vl(t,e,s,i){const r=Ml(t,e,s);return i?(r.next=i.next,r.prev=i,i.next.prev=r,i.next=r):(r.prev=r,r.next=r),r}function wl(t){t.next.prev=t.prev,t.prev.next=t.next,t.prevZ&&(t.prevZ.nextZ=t.nextZ),t.nextZ&&(t.nextZ.prevZ=t.prevZ)}function Ml(t,e,s){return{i:t,x:e,y:s,prev:null,next:null,z:0,prevZ:null,nextZ:null,steiner:!1}}class Sl{static triangulate(t,e,s=2){return $h(t,e,s)}}class _l{static area(t){const e=t.length;let s=0;for(let i=e-1,r=0;r2&&t[e-1].equals(t[0])&&t.pop()}function Tl(t,e){for(let s=0;sNumber.EPSILON){const u=Math.sqrt(c),d=Math.sqrt(h*h+l*l),p=e.x-o/u,m=e.y+a/u,y=((s.x-l/d-p)*l-(s.y+h/d-m)*h)/(a*l-o*h);i=p+a*y-t.x,r=m+o*y-t.y;const g=i*i+r*r;if(g<=2)return new _i(i,r);n=Math.sqrt(g/2)}else{let t=!1;a>Number.EPSILON?h>Number.EPSILON&&(t=!0):a<-Number.EPSILON?h<-Number.EPSILON&&(t=!0):Math.sign(o)===Math.sign(l)&&(t=!0),t?(i=-o,r=a,n=Math.sqrt(c)):(i=a,r=o,n=Math.sqrt(c/2))}return new _i(i/n,r/n)}const k=[];for(let t=0,e=z.length,s=e-1,i=t+1;t=0;t--){const e=t/p,s=c*Math.cos(e*Math.PI/2),i=u*Math.sin(e*Math.PI/2)+d;for(let t=0,e=z.length;t=0;){const i=s;let r=s-1;r<0&&(r=t.length-1);for(let t=0,s=o+2*p;t0)&&d.push(e,r,h),(t!==s-1||o0&&(e.defines=this.defines),e.vertexShader=this.vertexShader,e.fragmentShader=this.fragmentShader,e.lights=this.lights,e.clipping=this.clipping;const s={};for(const t in this.extensions)!0===this.extensions[t]&&(s[t]=!0);return Object.keys(s).length>0&&(e.extensions=s),e}fromJSON(t,e){if(super.fromJSON(t,e),void 0!==t.uniforms)for(const s in t.uniforms){const i=t.uniforms[s];switch(this.uniforms[s]={},i.type){case"t":this.uniforms[s].value=e[i.value]||null;break;case"c":this.uniforms[s].value=(new Pr).setHex(i.value);break;case"v2":this.uniforms[s].value=(new _i).fromArray(i.value);break;case"v3":this.uniforms[s].value=(new Ti).fromArray(i.value);break;case"v4":this.uniforms[s].value=(new qi).fromArray(i.value);break;case"m3":this.uniforms[s].value=(new Ii).fromArray(i.value);break;case"m4":this.uniforms[s].value=(new Qi).fromArray(i.value);break;default:this.uniforms[s].value=i.value}}if(void 0!==t.defines&&(this.defines=t.defines),void 0!==t.vertexShader&&(this.vertexShader=t.vertexShader),void 0!==t.fragmentShader&&(this.fragmentShader=t.fragmentShader),void 0!==t.glslVersion&&(this.glslVersion=t.glslVersion),void 0!==t.extensions)for(const e in t.extensions)this.extensions[e]=t.extensions[e];return void 0!==t.lights&&(this.lights=t.lights),void 0!==t.clipping&&(this.clipping=t.clipping),this}}class Gl extends Zl{constructor(t){super(t),this.isRawShaderMaterial=!0,this.type="RawShaderMaterial"}}class $l extends Zn{constructor(t){super(),this.isMeshStandardMaterial=!0,this.type="MeshStandardMaterial",this.defines={STANDARD:""},this.color=new Pr(16777215),this.roughness=1,this.metalness=0,this.map=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.emissive=new Pr(0),this.emissiveIntensity=1,this.emissiveMap=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=0,this.normalScale=new _i(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.roughnessMap=null,this.metalnessMap=null,this.alphaMap=null,this.envMap=null,this.envMapRotation=new hr,this.envMapIntensity=1,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.flatShading=!1,this.fog=!0,this.setValues(t)}copy(t){return super.copy(t),this.defines={STANDARD:""},this.color.copy(t.color),this.roughness=t.roughness,this.metalness=t.metalness,this.map=t.map,this.lightMap=t.lightMap,this.lightMapIntensity=t.lightMapIntensity,this.aoMap=t.aoMap,this.aoMapIntensity=t.aoMapIntensity,this.emissive.copy(t.emissive),this.emissiveMap=t.emissiveMap,this.emissiveIntensity=t.emissiveIntensity,this.bumpMap=t.bumpMap,this.bumpScale=t.bumpScale,this.normalMap=t.normalMap,this.normalMapType=t.normalMapType,this.normalScale.copy(t.normalScale),this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this.roughnessMap=t.roughnessMap,this.metalnessMap=t.metalnessMap,this.alphaMap=t.alphaMap,this.envMap=t.envMap,this.envMapRotation.copy(t.envMapRotation),this.envMapIntensity=t.envMapIntensity,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.wireframeLinecap=t.wireframeLinecap,this.wireframeLinejoin=t.wireframeLinejoin,this.flatShading=t.flatShading,this.fog=t.fog,this}}class Ql extends $l{constructor(t){super(),this.isMeshPhysicalMaterial=!0,this.defines={STANDARD:"",PHYSICAL:""},this.type="MeshPhysicalMaterial",this.anisotropyRotation=0,this.anisotropyMap=null,this.clearcoatMap=null,this.clearcoatRoughness=0,this.clearcoatRoughnessMap=null,this.clearcoatNormalScale=new _i(1,1),this.clearcoatNormalMap=null,this.ior=1.5,Object.defineProperty(this,"reflectivity",{get:function(){return xi(2.5*(this.ior-1)/(this.ior+1),0,1)},set:function(t){this.ior=(1+.4*t)/(1-.4*t)}}),this.iridescenceMap=null,this.iridescenceIOR=1.3,this.iridescenceThicknessRange=[100,400],this.iridescenceThicknessMap=null,this.sheenColor=new Pr(0),this.sheenColorMap=null,this.sheenRoughness=1,this.sheenRoughnessMap=null,this.transmissionMap=null,this.thickness=0,this.thicknessMap=null,this.attenuationDistance=1/0,this.attenuationColor=new Pr(1,1,1),this.specularIntensity=1,this.specularIntensityMap=null,this.specularColor=new Pr(1,1,1),this.specularColorMap=null,this._anisotropy=0,this._clearcoat=0,this._dispersion=0,this._iridescence=0,this._sheen=0,this._transmission=0,this.setValues(t)}get anisotropy(){return this._anisotropy}set anisotropy(t){this._anisotropy>0!=t>0&&this.version++,this._anisotropy=t}get clearcoat(){return this._clearcoat}set clearcoat(t){this._clearcoat>0!=t>0&&this.version++,this._clearcoat=t}get iridescence(){return this._iridescence}set iridescence(t){this._iridescence>0!=t>0&&this.version++,this._iridescence=t}get dispersion(){return this._dispersion}set dispersion(t){this._dispersion>0!=t>0&&this.version++,this._dispersion=t}get sheen(){return this._sheen}set sheen(t){this._sheen>0!=t>0&&this.version++,this._sheen=t}get transmission(){return this._transmission}set transmission(t){this._transmission>0!=t>0&&this.version++,this._transmission=t}copy(t){return super.copy(t),this.defines={STANDARD:"",PHYSICAL:""},this.anisotropy=t.anisotropy,this.anisotropyRotation=t.anisotropyRotation,this.anisotropyMap=t.anisotropyMap,this.clearcoat=t.clearcoat,this.clearcoatMap=t.clearcoatMap,this.clearcoatRoughness=t.clearcoatRoughness,this.clearcoatRoughnessMap=t.clearcoatRoughnessMap,this.clearcoatNormalMap=t.clearcoatNormalMap,this.clearcoatNormalScale.copy(t.clearcoatNormalScale),this.dispersion=t.dispersion,this.ior=t.ior,this.iridescence=t.iridescence,this.iridescenceMap=t.iridescenceMap,this.iridescenceIOR=t.iridescenceIOR,this.iridescenceThicknessRange=[...t.iridescenceThicknessRange],this.iridescenceThicknessMap=t.iridescenceThicknessMap,this.sheen=t.sheen,this.sheenColor.copy(t.sheenColor),this.sheenColorMap=t.sheenColorMap,this.sheenRoughness=t.sheenRoughness,this.sheenRoughnessMap=t.sheenRoughnessMap,this.transmission=t.transmission,this.transmissionMap=t.transmissionMap,this.thickness=t.thickness,this.thicknessMap=t.thicknessMap,this.attenuationDistance=t.attenuationDistance,this.attenuationColor.copy(t.attenuationColor),this.specularIntensity=t.specularIntensity,this.specularIntensityMap=t.specularIntensityMap,this.specularColor.copy(t.specularColor),this.specularColorMap=t.specularColorMap,this}}class Kl extends Zn{constructor(t){super(),this.isMeshPhongMaterial=!0,this.type="MeshPhongMaterial",this.color=new Pr(16777215),this.specular=new Pr(1118481),this.shininess=30,this.map=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.emissive=new Pr(0),this.emissiveIntensity=1,this.emissiveMap=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=0,this.normalScale=new _i(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.specularMap=null,this.alphaMap=null,this.envMap=null,this.envMapRotation=new hr,this.combine=0,this.reflectivity=1,this.envMapIntensity=1,this.refractionRatio=.98,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.flatShading=!1,this.fog=!0,this.setValues(t)}copy(t){return super.copy(t),this.color.copy(t.color),this.specular.copy(t.specular),this.shininess=t.shininess,this.map=t.map,this.lightMap=t.lightMap,this.lightMapIntensity=t.lightMapIntensity,this.aoMap=t.aoMap,this.aoMapIntensity=t.aoMapIntensity,this.emissive.copy(t.emissive),this.emissiveMap=t.emissiveMap,this.emissiveIntensity=t.emissiveIntensity,this.bumpMap=t.bumpMap,this.bumpScale=t.bumpScale,this.normalMap=t.normalMap,this.normalMapType=t.normalMapType,this.normalScale.copy(t.normalScale),this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this.specularMap=t.specularMap,this.alphaMap=t.alphaMap,this.envMap=t.envMap,this.envMapRotation.copy(t.envMapRotation),this.combine=t.combine,this.reflectivity=t.reflectivity,this.envMapIntensity=t.envMapIntensity,this.refractionRatio=t.refractionRatio,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.wireframeLinecap=t.wireframeLinecap,this.wireframeLinejoin=t.wireframeLinejoin,this.flatShading=t.flatShading,this.fog=t.fog,this}}class tc extends Zn{constructor(t){super(),this.isMeshToonMaterial=!0,this.defines={TOON:""},this.type="MeshToonMaterial",this.color=new Pr(16777215),this.map=null,this.gradientMap=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.emissive=new Pr(0),this.emissiveIntensity=1,this.emissiveMap=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=0,this.normalScale=new _i(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.alphaMap=null,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.fog=!0,this.setValues(t)}copy(t){return super.copy(t),this.color.copy(t.color),this.map=t.map,this.gradientMap=t.gradientMap,this.lightMap=t.lightMap,this.lightMapIntensity=t.lightMapIntensity,this.aoMap=t.aoMap,this.aoMapIntensity=t.aoMapIntensity,this.emissive.copy(t.emissive),this.emissiveMap=t.emissiveMap,this.emissiveIntensity=t.emissiveIntensity,this.bumpMap=t.bumpMap,this.bumpScale=t.bumpScale,this.normalMap=t.normalMap,this.normalMapType=t.normalMapType,this.normalScale.copy(t.normalScale),this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this.alphaMap=t.alphaMap,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.wireframeLinecap=t.wireframeLinecap,this.wireframeLinejoin=t.wireframeLinejoin,this.fog=t.fog,this}}class ec extends Zn{constructor(t){super(),this.isMeshNormalMaterial=!0,this.type="MeshNormalMaterial",this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=0,this.normalScale=new _i(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.wireframe=!1,this.wireframeLinewidth=1,this.flatShading=!1,this.setValues(t)}copy(t){return super.copy(t),this.bumpMap=t.bumpMap,this.bumpScale=t.bumpScale,this.normalMap=t.normalMap,this.normalMapType=t.normalMapType,this.normalScale.copy(t.normalScale),this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.flatShading=t.flatShading,this}}class sc extends Zn{constructor(t){super(),this.isMeshLambertMaterial=!0,this.type="MeshLambertMaterial",this.color=new Pr(16777215),this.map=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.emissive=new Pr(0),this.emissiveIntensity=1,this.emissiveMap=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=0,this.normalScale=new _i(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.specularMap=null,this.alphaMap=null,this.envMap=null,this.envMapRotation=new hr,this.combine=0,this.reflectivity=1,this.envMapIntensity=1,this.refractionRatio=.98,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.flatShading=!1,this.fog=!0,this.setValues(t)}copy(t){return super.copy(t),this.color.copy(t.color),this.map=t.map,this.lightMap=t.lightMap,this.lightMapIntensity=t.lightMapIntensity,this.aoMap=t.aoMap,this.aoMapIntensity=t.aoMapIntensity,this.emissive.copy(t.emissive),this.emissiveMap=t.emissiveMap,this.emissiveIntensity=t.emissiveIntensity,this.bumpMap=t.bumpMap,this.bumpScale=t.bumpScale,this.normalMap=t.normalMap,this.normalMapType=t.normalMapType,this.normalScale.copy(t.normalScale),this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this.specularMap=t.specularMap,this.alphaMap=t.alphaMap,this.envMap=t.envMap,this.envMapRotation.copy(t.envMapRotation),this.combine=t.combine,this.reflectivity=t.reflectivity,this.envMapIntensity=t.envMapIntensity,this.refractionRatio=t.refractionRatio,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.wireframeLinecap=t.wireframeLinecap,this.wireframeLinejoin=t.wireframeLinejoin,this.flatShading=t.flatShading,this.fog=t.fog,this}}class ic extends Zn{constructor(t){super(),this.isMeshDepthMaterial=!0,this.type="MeshDepthMaterial",this.depthPacking=3200,this.map=null,this.alphaMap=null,this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.wireframe=!1,this.wireframeLinewidth=1,this.setValues(t)}copy(t){return super.copy(t),this.depthPacking=t.depthPacking,this.map=t.map,this.alphaMap=t.alphaMap,this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this}}class rc extends Zn{constructor(t){super(),this.isMeshDistanceMaterial=!0,this.type="MeshDistanceMaterial",this.map=null,this.alphaMap=null,this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.setValues(t)}copy(t){return super.copy(t),this.map=t.map,this.alphaMap=t.alphaMap,this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this}}class nc extends Zn{constructor(t){super(),this.isMeshMatcapMaterial=!0,this.defines={MATCAP:""},this.type="MeshMatcapMaterial",this.color=new Pr(16777215),this.matcap=null,this.map=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=0,this.normalScale=new _i(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.alphaMap=null,this.wireframe=!1,this.wireframeLinewidth=1,this.flatShading=!1,this.fog=!0,this.setValues(t)}copy(t){return super.copy(t),this.defines={MATCAP:""},this.color.copy(t.color),this.matcap=t.matcap,this.map=t.map,this.bumpMap=t.bumpMap,this.bumpScale=t.bumpScale,this.normalMap=t.normalMap,this.normalMapType=t.normalMapType,this.normalScale.copy(t.normalScale),this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this.alphaMap=t.alphaMap,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.flatShading=t.flatShading,this.fog=t.fog,this}}class ac extends No{constructor(t){super(),this.isLineDashedMaterial=!0,this.type="LineDashedMaterial",this.scale=1,this.dashSize=3,this.gapSize=1,this.setValues(t)}copy(t){return super.copy(t),this.scale=t.scale,this.dashSize=t.dashSize,this.gapSize=t.gapSize,this}}function oc(t,e){return t&&t.constructor!==e?"number"==typeof e.BYTES_PER_ELEMENT?new e(t):Array.prototype.slice.call(t):t}function hc(t){const e=t.length,s=new Array(e);for(let t=0;t!==e;++t)s[t]=t;return s.sort(function(e,s){return t[e]-t[s]}),s}function lc(t,e,s){const i=t.length,r=new t.constructor(i);for(let n=0,a=0;a!==i;++n){const i=s[n]*e;for(let s=0;s!==e;++s)r[a++]=t[i+s]}return r}function cc(t,e,s,i){let r=1,n=t[0];for(;void 0!==n&&void 0===n[i];)n=t[r++];if(void 0===n)return;let a=n[i];if(void 0!==a)if(Array.isArray(a))do{a=n[i],void 0!==a&&(e.push(n.time),s.push(...a)),n=t[r++]}while(void 0!==n);else if(void 0!==a.toArray)do{a=n[i],void 0!==a&&(e.push(n.time),a.toArray(s,s.length)),n=t[r++]}while(void 0!==n);else do{a=n[i],void 0!==a&&(e.push(n.time),s.push(a)),n=t[r++]}while(void 0!==n)}class uc{static convertArray(t,e){return oc(t,e)}static isTypedArray(t){return $s(t)}static getKeyframeOrder(t){return hc(t)}static sortedArray(t,e,s){return lc(t,e,s)}static flattenJSON(t,e,s,i){cc(t,e,s,i)}static subclip(t,e,s,i,r=30){return function(t,e,s,i,r=30){const n=t.clone();n.name=e;const a=[];for(let t=0;t=i)){h.push(e.times[t]);for(let s=0;sn.tracks[t].times[0]&&(o=n.tracks[t].times[0]);for(let t=0;t=i.times[u]){const t=u*h+o,e=t+h-o;d=i.values.slice(t,e)}else{const t=i.createInterpolant(),e=o,s=h-o;t.evaluate(n),d=t.resultBuffer.slice(e,s)}"quaternion"===r&&(new Ai).fromArray(d).normalize().conjugate().toArray(d);const p=a.times.length;for(let t=0;t=r)){const a=e[1];t=r)break e}n=s,s=0;break s}break t}for(;s>>1;te;)--n;if(++n,0!==r||n!==i){r>=n&&(n=Math.max(n,1),r=n-1);const t=this.getValueSize();this.times=s.slice(r,n),this.values=this.values.slice(r*t,n*t)}return this}validate(){let t=!0;const e=this.getValueSize();e-Math.floor(e)!==0&&(oi("KeyframeTrack: Invalid value size in track.",this),t=!1);const s=this.times,i=this.values,r=s.length;0===r&&(oi("KeyframeTrack: Track is empty.",this),t=!1);let n=null;for(let e=0;e!==r;e++){const i=s[e];if("number"==typeof i&&isNaN(i)){oi("KeyframeTrack: Time is not a valid number.",this,e,i),t=!1;break}if(null!==n&&n>i){oi("KeyframeTrack: Out of order keys.",this,e,i,n),t=!1;break}n=i}if(void 0!==i&&$s(i))for(let e=0,s=i.length;e!==s;++e){const s=i[e];if(isNaN(s)){oi("KeyframeTrack: Value is not a valid number.",this,e,s),t=!1;break}}return t}optimize(){const t=this.times.slice(),e=this.values.slice(),s=this.getValueSize(),i=this.getInterpolation()===Le,r=t.length-1;let n=1;for(let a=1;a0){t[n]=t[r];for(let t=r*s,i=n*s,a=0;a!==s;++a)e[i+a]=e[t+a];++n}return n!==t.length?(this.times=t.slice(0,n),this.values=e.slice(0,n*s)):(this.times=t,this.values=e),this}clone(){const t=this.times.slice(),e=this.values.slice(),s=new(0,this.constructor)(this.name,t,e);return s.createInterpolant=this.createInterpolant,s}}fc.prototype.ValueTypeName="",fc.prototype.TimeBufferType=Float32Array,fc.prototype.ValueBufferType=Float32Array,fc.prototype.DefaultInterpolation=Ve;class xc extends fc{constructor(t,e,s){super(t,e,s)}}xc.prototype.ValueTypeName="bool",xc.prototype.ValueBufferType=Array,xc.prototype.DefaultInterpolation=Ne,xc.prototype.InterpolantFactoryMethodLinear=void 0,xc.prototype.InterpolantFactoryMethodSmooth=void 0;class bc extends fc{constructor(t,e,s,i){super(t,e,s,i)}}bc.prototype.ValueTypeName="color";class vc extends fc{constructor(t,e,s,i){super(t,e,s,i)}}vc.prototype.ValueTypeName="number";class wc extends dc{constructor(t,e,s,i){super(t,e,s,i)}interpolate_(t,e,s,i){const r=this.resultBuffer,n=this.sampleValues,a=this.valueSize,o=(s-e)/(i-e);let h=t*a;for(let t=h+a;h!==t;h+=4)Ai.slerpFlat(r,0,n,h-a,n,h,o);return r}}class Mc extends fc{constructor(t,e,s,i){super(t,e,s,i)}InterpolantFactoryMethodLinear(t){return new wc(this.times,this.values,this.getValueSize(),t)}}Mc.prototype.ValueTypeName="quaternion",Mc.prototype.InterpolantFactoryMethodSmooth=void 0;class Sc extends fc{constructor(t,e,s){super(t,e,s)}}Sc.prototype.ValueTypeName="string",Sc.prototype.ValueBufferType=Array,Sc.prototype.DefaultInterpolation=Ne,Sc.prototype.InterpolantFactoryMethodLinear=void 0,Sc.prototype.InterpolantFactoryMethodSmooth=void 0;class _c extends fc{constructor(t,e,s,i){super(t,e,s,i)}}_c.prototype.ValueTypeName="vector";class Ac{constructor(t="",e=-1,s=[],i=2500){this.name=t,this.tracks=s,this.duration=e,this.blendMode=i,this.uuid=fi(),this.userData={},this.duration<0&&this.resetDuration()}static parse(t){const e=[],s=t.tracks,i=1/(t.fps||1);for(let t=0,r=s.length;t!==r;++t)e.push(Tc(s[t]).scale(i));const r=new this(t.name,t.duration,e,t.blendMode);return r.uuid=t.uuid,r.userData=JSON.parse(t.userData||"{}"),r}static toJSON(t){const e=[],s=t.tracks,i={name:t.name,duration:t.duration,tracks:e,uuid:t.uuid,blendMode:t.blendMode,userData:JSON.stringify(t.userData)};for(let t=0,i=s.length;t!==i;++t)e.push(fc.toJSON(s[t]));return i}static CreateFromMorphTargetSequence(t,e,s,i){const r=e.length,n=[];for(let t=0;t1){const t=n[1];let e=i[t];e||(i[t]=e=[]),e.push(s)}}const n=[];for(const t in i)n.push(this.CreateFromMorphTargetSequence(t,i[t],e,s));return n}resetDuration(){let t=0;for(let e=0,s=this.tracks.length;e!==s;++e){const s=this.tracks[e];t=Math.max(t,s.times[s.times.length-1])}return this.duration=t,this}trim(){for(let t=0;t{e&&e(r),this.manager.itemEnd(t)},0);if(void 0!==Oc[t])return void Oc[t].push({onLoad:e,onProgress:s,onError:i});Oc[t]=[],Oc[t].push({onLoad:e,onProgress:s,onError:i});const n=new Request(t,{headers:new Headers(this.requestHeader),credentials:this.withCredentials?"include":"same-origin",signal:"function"==typeof AbortSignal.any?AbortSignal.any([this._abortController.signal,this.manager.abortController.signal]):this._abortController.signal}),a=this.mimeType,o=this.responseType;fetch(n).then(e=>{if(200===e.status||0===e.status){if(0===e.status&&ai("FileLoader: HTTP Status 0 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s=Oc[t];delete Oc[t];for(let t=0,i=s.length;t{const s=Oc[t];if(void 0===s)throw this.manager.itemError(t),e;delete Oc[t];for(let t=0,i=s.length;t{this.manager.itemEnd(t)}),this.manager.itemStart(t)}setResponseType(t){return this.responseType=t,this}setMimeType(t){return this.mimeType=t,this}abort(){return this._abortController.abort(),this._abortController=new AbortController,this}}class Ec extends kc{constructor(t){super(t)}load(t,e,s,i){const r=this,n=new Rc(this.manager);n.setPath(this.path),n.setRequestHeader(this.requestHeader),n.setWithCredentials(this.withCredentials),n.load(t,function(s){try{e(r.parse(JSON.parse(s)))}catch(e){i?i(e):oi(e),r.manager.itemError(t)}},s,i)}parse(t){const e=[];for(let s=0;s0){const s=new Ic(e);r=new Lc(s),r.setCrossOrigin(this.crossOrigin);for(let e=0,s=t.length;e0){i=new Lc(this.manager),i.setCrossOrigin(this.crossOrigin);for(let e=0,i=t.length;e{let e=null,s=null;return void 0!==t.boundingBox&&(e=(new Qr).fromJSON(t.boundingBox)),void 0!==t.boundingSphere&&(s=(new En).fromJSON(t.boundingSphere)),{...t,boundingBox:e,boundingSphere:s}}),n._instanceInfo=t.instanceInfo,n._availableInstanceIds=t._availableInstanceIds,n._availableGeometryIds=t._availableGeometryIds,n._nextIndexStart=t.nextIndexStart,n._nextVertexStart=t.nextVertexStart,n._geometryCount=t.geometryCount,n._maxInstanceCount=t.maxInstanceCount,n._maxVertexCount=t.maxVertexCount,n._maxIndexCount=t.maxIndexCount,n._geometryInitialized=t.geometryInitialized,n._matricesTexture=c(t.matricesTexture.uuid),n._indirectTexture=c(t.indirectTexture.uuid),void 0!==t.colorsTexture&&(n._colorsTexture=c(t.colorsTexture.uuid)),void 0!==t.boundingSphere&&(n.boundingSphere=(new En).fromJSON(t.boundingSphere)),void 0!==t.boundingBox&&(n.boundingBox=(new Qr).fromJSON(t.boundingBox));break;case"LOD":n=new pa;break;case"Line":n=new Jo(h(t.geometry),l(t.material));break;case"LineLoop":n=new Zo(h(t.geometry),l(t.material));break;case"LineSegments":n=new Yo(h(t.geometry),l(t.material));break;case"PointCloud":case"Points":n=new eh(h(t.geometry),l(t.material));break;case"Sprite":n=new la(l(t.material));break;case"Group":n=new Tr;break;case"Bone":n=new Ha;break;default:n=new Ar}if(n.uuid=t.uuid,void 0!==t.name&&(n.name=t.name),void 0!==t.matrix?(n.matrix.fromArray(t.matrix),void 0!==t.matrixAutoUpdate&&(n.matrixAutoUpdate=t.matrixAutoUpdate),n.matrixAutoUpdate&&n.matrix.decompose(n.position,n.quaternion,n.scale)):(void 0!==t.position&&n.position.fromArray(t.position),void 0!==t.rotation&&n.rotation.fromArray(t.rotation),void 0!==t.quaternion&&n.quaternion.fromArray(t.quaternion),void 0!==t.scale&&n.scale.fromArray(t.scale)),void 0!==t.up&&n.up.fromArray(t.up),void 0!==t.pivot&&(n.pivot=(new Ti).fromArray(t.pivot)),void 0!==t.morphTargetDictionary&&(n.morphTargetDictionary=Object.assign({},t.morphTargetDictionary)),void 0!==t.morphTargetInfluences&&(n.morphTargetInfluences=t.morphTargetInfluences.slice()),void 0!==t.castShadow&&(n.castShadow=t.castShadow),void 0!==t.receiveShadow&&(n.receiveShadow=t.receiveShadow),t.shadow&&(void 0!==t.shadow.intensity&&(n.shadow.intensity=t.shadow.intensity),void 0!==t.shadow.bias&&(n.shadow.bias=t.shadow.bias),void 0!==t.shadow.normalBias&&(n.shadow.normalBias=t.shadow.normalBias),void 0!==t.shadow.radius&&(n.shadow.radius=t.shadow.radius),void 0!==t.shadow.mapSize&&n.shadow.mapSize.fromArray(t.shadow.mapSize),void 0!==t.shadow.camera&&(n.shadow.camera=this.parseObject(t.shadow.camera))),void 0!==t.visible&&(n.visible=t.visible),void 0!==t.frustumCulled&&(n.frustumCulled=t.frustumCulled),void 0!==t.renderOrder&&(n.renderOrder=t.renderOrder),void 0!==t.static&&(n.static=t.static),void 0!==t.userData&&(n.userData=t.userData),void 0!==t.layers&&(n.layers.mask=t.layers),void 0!==t.children){const a=t.children;for(let t=0;t{!0===Su.has(n)?(i&&i(Su.get(n)),r.manager.itemError(t),r.manager.itemEnd(t)):(e&&e(s),r.manager.itemEnd(t))}):void setTimeout(function(){e&&e(n),r.manager.itemEnd(t)},0);const a={};a.credentials="anonymous"===this.crossOrigin?"same-origin":"include",a.headers=this.requestHeader,a.signal="function"==typeof AbortSignal.any?AbortSignal.any([this._abortController.signal,this.manager.abortController.signal]):this._abortController.signal;const o=fetch(t,a).then(function(t){return t.blob()}).then(function(t){return createImageBitmap(t,Object.assign(r.options,{colorSpaceConversion:"none"}))}).then(function(s){zc.add(`image-bitmap:${t}`,s),e&&e(s),r.manager.itemEnd(t)}).catch(function(e){i&&i(e),Su.set(o,e),zc.remove(`image-bitmap:${t}`),r.manager.itemError(t),r.manager.itemEnd(t)});zc.add(`image-bitmap:${t}`,o),r.manager.itemStart(t)}abort(){return this._abortController.abort(),this._abortController=new AbortController,this}}let Au;class Tu{static getContext(){return void 0===Au&&(Au=new(window.AudioContext||window.webkitAudioContext)),Au}static setContext(t){Au=t}}class zu extends kc{constructor(t){super(t)}load(t,e,s,i){const r=this,n=new Rc(this.manager);function a(e){i?i(e):oi(e),r.manager.itemError(t)}n.setResponseType("arraybuffer"),n.setPath(this.path),n.setRequestHeader(this.requestHeader),n.setWithCredentials(this.withCredentials),n.load(t,function(s){try{const i=s.slice(0),n=Tu.getContext(),o=t+"#decode";r.manager.itemStart(o),n.decodeAudioData(i,function(t){e(t),r.manager.itemEnd(o)}).catch(function(t){a(t),r.manager.itemEnd(o)})}catch(t){a(t)}},s,i)}}const Cu=new Qi,Iu=new Qi,Bu=new Qi;class ku{constructor(){this.type="StereoCamera",this.aspect=1,this.eyeSep=.064,this.cameraL=new eu,this.cameraL.layers.enable(1),this.cameraL.matrixAutoUpdate=!1,this.cameraR=new eu,this.cameraR.layers.enable(2),this.cameraR.matrixAutoUpdate=!1,this._cache={focus:null,fov:null,aspect:null,near:null,far:null,zoom:null,eyeSep:null}}update(t){const e=this._cache;if(e.focus!==t.focus||e.fov!==t.fov||e.aspect!==t.aspect*this.aspect||e.near!==t.near||e.far!==t.far||e.zoom!==t.zoom||e.eyeSep!==this.eyeSep){e.focus=t.focus,e.fov=t.fov,e.aspect=t.aspect*this.aspect,e.near=t.near,e.far=t.far,e.zoom=t.zoom,e.eyeSep=this.eyeSep,Bu.copy(t.projectionMatrix);const s=e.eyeSep/2,i=s*e.near/e.focus,r=e.near*Math.tan(yi*e.fov*.5)/e.zoom;let n,a;Iu.elements[12]=-s,Cu.elements[12]=s,n=-r*e.aspect+i,a=r*e.aspect+i,Bu.elements[0]=2*e.near/(a-n),Bu.elements[8]=(a+n)/(a-n),this.cameraL.projectionMatrix.copy(Bu),n=-r*e.aspect-i,a=r*e.aspect-i,Bu.elements[0]=2*e.near/(a-n),Bu.elements[8]=(a+n)/(a-n),this.cameraR.projectionMatrix.copy(Bu)}this.cameraL.matrix.copy(t.matrixWorld).multiply(Iu),this.cameraL.matrixWorldNeedsUpdate=!0,this.cameraR.matrix.copy(t.matrixWorld).multiply(Cu),this.cameraR.matrixWorldNeedsUpdate=!0}}const Ou=-90;class Pu extends Ar{constructor(t,e,s){super(),this.type="CubeCamera",this.renderTarget=s,this.coordinateSystem=null,this.activeMipmapLevel=0;const i=new eu(Ou,1,t,e);i.layers=this.layers,this.add(i);const r=new eu(Ou,1,t,e);r.layers=this.layers,this.add(r);const n=new eu(Ou,1,t,e);n.layers=this.layers,this.add(n);const a=new eu(Ou,1,t,e);a.layers=this.layers,this.add(a);const o=new eu(Ou,1,t,e);o.layers=this.layers,this.add(o);const h=new eu(Ou,1,t,e);h.layers=this.layers,this.add(h)}updateCoordinateSystem(){const t=this.coordinateSystem,e=this.children.concat(),[s,i,r,n,a,o]=e;for(const t of e)this.remove(t);if(t===Ws)s.up.set(0,1,0),s.lookAt(1,0,0),i.up.set(0,1,0),i.lookAt(-1,0,0),r.up.set(0,0,-1),r.lookAt(0,1,0),n.up.set(0,0,1),n.lookAt(0,-1,0),a.up.set(0,1,0),a.lookAt(0,0,1),o.up.set(0,1,0),o.lookAt(0,0,-1);else{if(t!==Js)throw new Error("THREE.CubeCamera.updateCoordinateSystem(): Invalid coordinate system: "+t);s.up.set(0,-1,0),s.lookAt(-1,0,0),i.up.set(0,-1,0),i.lookAt(1,0,0),r.up.set(0,0,1),r.lookAt(0,1,0),n.up.set(0,0,-1),n.lookAt(0,-1,0),a.up.set(0,-1,0),a.lookAt(0,0,1),o.up.set(0,-1,0),o.lookAt(0,0,-1)}for(const t of e)this.add(t),t.updateMatrixWorld()}update(t,e){null===this.parent&&this.updateMatrixWorld();const{renderTarget:s,activeMipmapLevel:i}=this;this.coordinateSystem!==t.coordinateSystem&&(this.coordinateSystem=t.coordinateSystem,this.updateCoordinateSystem());const[r,n,a,o,h,l]=this.children,c=t.getRenderTarget(),u=t.getActiveCubeFace(),d=t.getActiveMipmapLevel(),p=t.xr.enabled;t.xr.enabled=!1;const m=s.texture.generateMipmaps;s.texture.generateMipmaps=!1;let y=!1;y=!0===t.isWebGLRenderer?t.state.buffers.depth.getReversed():t.reversedDepthBuffer,t.setRenderTarget(s,0,i),y&&!1===t.autoClear&&t.clearDepth(),t.render(e,r),t.setRenderTarget(s,1,i),y&&!1===t.autoClear&&t.clearDepth(),t.render(e,n),t.setRenderTarget(s,2,i),y&&!1===t.autoClear&&t.clearDepth(),t.render(e,a),t.setRenderTarget(s,3,i),y&&!1===t.autoClear&&t.clearDepth(),t.render(e,o),t.setRenderTarget(s,4,i),y&&!1===t.autoClear&&t.clearDepth(),t.render(e,h),s.texture.generateMipmaps=m,t.setRenderTarget(s,5,i),y&&!1===t.autoClear&&t.clearDepth(),t.render(e,l),t.setRenderTarget(c,u,d),t.xr.enabled=p,s.texture.needsPMREMUpdate=!0}}class Ru extends eu{constructor(t=[]){super(),this.isArrayCamera=!0,this.isMultiViewCamera=!1,this.cameras=t}}class Eu{constructor(){this._previousTime=0,this._currentTime=0,this._startTime=performance.now(),this._delta=0,this._elapsed=0,this._timescale=1,this._document=null,this._pageVisibilityHandler=null}connect(t){this._document=t,void 0!==t.hidden&&(this._pageVisibilityHandler=Nu.bind(this),t.addEventListener("visibilitychange",this._pageVisibilityHandler,!1))}disconnect(){null!==this._pageVisibilityHandler&&(this._document.removeEventListener("visibilitychange",this._pageVisibilityHandler),this._pageVisibilityHandler=null),this._document=null}getDelta(){return this._delta/1e3}getElapsed(){return this._elapsed/1e3}getTimescale(){return this._timescale}setTimescale(t){return this._timescale=t,this}reset(){return this._currentTime=performance.now()-this._startTime,this}dispose(){this.disconnect()}update(t){return null!==this._pageVisibilityHandler&&!0===this._document.hidden?this._delta=0:(this._previousTime=this._currentTime,this._currentTime=(void 0!==t?t:performance.now())-this._startTime,this._delta=(this._currentTime-this._previousTime)*this._timescale,this._elapsed+=this._delta),this}}function Nu(){!1===this._document.hidden&&this.reset()}const Vu=new Ti,Lu=new Ai,Fu=new Ti,Du=new Ti,Uu=new Ti;class ju extends Ar{constructor(){super(),this.type="AudioListener",this.context=Tu.getContext(),this.gain=this.context.createGain(),this.gain.connect(this.context.destination),this.filter=null,this.timeDelta=0,this._timer=new Eu}getInput(){return this.gain}removeFilter(){return null!==this.filter&&(this.gain.disconnect(this.filter),this.filter.disconnect(this.context.destination),this.gain.connect(this.context.destination),this.filter=null),this}getFilter(){return this.filter}setFilter(t){return null!==this.filter?(this.gain.disconnect(this.filter),this.filter.disconnect(this.context.destination)):this.gain.disconnect(this.context.destination),this.filter=t,this.gain.connect(this.filter),this.filter.connect(this.context.destination),this}getMasterVolume(){return this.gain.gain.value}setMasterVolume(t){return this.gain.gain.setTargetAtTime(t,this.context.currentTime,.01),this}updateMatrixWorld(t){super.updateMatrixWorld(t),this._timer.update();const e=this.context.listener;if(this.timeDelta=this._timer.getDelta(),this.matrixWorld.decompose(Vu,Lu,Fu),Du.set(0,0,-1).applyQuaternion(Lu),Uu.set(0,1,0).applyQuaternion(Lu),e.positionX){const t=this.context.currentTime+this.timeDelta;e.positionX.linearRampToValueAtTime(Vu.x,t),e.positionY.linearRampToValueAtTime(Vu.y,t),e.positionZ.linearRampToValueAtTime(Vu.z,t),e.forwardX.linearRampToValueAtTime(Du.x,t),e.forwardY.linearRampToValueAtTime(Du.y,t),e.forwardZ.linearRampToValueAtTime(Du.z,t),e.upX.linearRampToValueAtTime(Uu.x,t),e.upY.linearRampToValueAtTime(Uu.y,t),e.upZ.linearRampToValueAtTime(Uu.z,t)}else e.setPosition(Vu.x,Vu.y,Vu.z),e.setOrientation(Du.x,Du.y,Du.z,Uu.x,Uu.y,Uu.z)}}class Wu extends Ar{constructor(t){super(),this.type="Audio",this.listener=t,this.context=t.context,this.gain=this.context.createGain(),this.gain.connect(t.getInput()),this.autoplay=!1,this.buffer=null,this.detune=0,this.loop=!1,this.loopStart=0,this.loopEnd=0,this.offset=0,this.duration=void 0,this.playbackRate=1,this.isPlaying=!1,this.hasPlaybackControl=!0,this.source=null,this.sourceType="empty",this._startedAt=0,this._progress=0,this._connected=!1,this.filters=[]}getOutput(){return this.gain}setNodeSource(t){return this.hasPlaybackControl=!1,this.sourceType="audioNode",this.source=t,this.connect(),this}setMediaElementSource(t){return this.hasPlaybackControl=!1,this.sourceType="mediaNode",this.source=this.context.createMediaElementSource(t),this.connect(),this}setMediaStreamSource(t){return this.hasPlaybackControl=!1,this.sourceType="mediaStreamNode",this.source=this.context.createMediaStreamSource(t),this.connect(),this}setBuffer(t){return this.buffer=t,this.sourceType="buffer",this.autoplay&&this.play(),this}play(t=0){if(!0===this.isPlaying)return void ai("Audio: Audio is already playing.");if(!1===this.hasPlaybackControl)return void ai("Audio: this Audio has no playback control.");this._startedAt=this.context.currentTime+t;const e=this.context.createBufferSource();return e.buffer=this.buffer,e.loop=this.loop,e.loopStart=this.loopStart,e.loopEnd=this.loopEnd,e.onended=this.onEnded.bind(this),e.start(this._startedAt,this._progress+this.offset,this.duration),this.isPlaying=!0,this.source=e,this.setDetune(this.detune),this.setPlaybackRate(this.playbackRate),this.connect()}pause(){if(!1!==this.hasPlaybackControl)return!0===this.isPlaying&&(this._progress+=Math.max(this.context.currentTime-this._startedAt,0)*this.playbackRate,!0===this.loop&&(this._progress=this._progress%(this.duration||this.buffer.duration)),this.source.stop(),this.source.onended=null,this.isPlaying=!1),this;ai("Audio: this Audio has no playback control.")}stop(t=0){if(!1!==this.hasPlaybackControl)return this._progress=0,null!==this.source&&(this.source.stop(this.context.currentTime+t),this.source.onended=null),this.isPlaying=!1,this;ai("Audio: this Audio has no playback control.")}connect(){if(this.filters.length>0){this.source.connect(this.filters[0]);for(let t=1,e=this.filters.length;t0){this.source.disconnect(this.filters[0]);for(let t=1,e=this.filters.length;t0&&this._mixBufferRegionAdditive(s,i,this._addIndex*e,1,e);for(let t=e,r=e+e;t!==r;++t)if(s[t]!==s[t+e]){a.setValue(s,i);break}}saveOriginalState(){const t=this.binding,e=this.buffer,s=this.valueSize,i=s*this._origIndex;t.getValue(e,i);for(let t=s,r=i;t!==r;++t)e[t]=e[i+t%s];this._setIdentity(),this.cumulativeWeight=0,this.cumulativeWeightAdditive=0}restoreOriginalState(){const t=3*this.valueSize;this.binding.setValue(this.buffer,t)}_setAdditiveIdentityNumeric(){const t=this._addIndex*this.valueSize,e=t+this.valueSize;for(let s=t;s=.5)for(let i=0;i!==r;++i)t[e+i]=t[s+i]}_slerp(t,e,s,i){Ai.slerpFlat(t,e,t,e,t,s,i)}_slerpAdditive(t,e,s,i,r){const n=this._workIndex*r;Ai.multiplyQuaternionsFlat(t,n,t,e,t,s),Ai.slerpFlat(t,e,t,e,t,n,i)}_lerp(t,e,s,i,r){const n=1-i;for(let a=0;a!==r;++a){const r=e+a;t[r]=t[r]*n+t[s+a]*i}}_lerpAdditive(t,e,s,i,r){for(let n=0;n!==r;++n){const r=e+n;t[r]=t[r]+t[s+n]*i}}}const $u="\\[\\]\\.:\\/",Qu=new RegExp("["+$u+"]","g"),Ku="[^"+$u+"]",td="[^"+$u.replace("\\.","")+"]",ed=new RegExp("^"+/((?:WC+[\/:])*)/.source.replace("WC",Ku)+/(WCOD+)?/.source.replace("WCOD",td)+/(?:\.(WC+)(?:\[(.+)\])?)?/.source.replace("WC",Ku)+/\.(WC+)(?:\[(.+)\])?/.source.replace("WC",Ku)+"$"),sd=["material","materials","bones","map"];class id{constructor(t,e,s){this.path=e,this.parsedPath=s||id.parseTrackName(e),this.node=id.findNode(t,this.parsedPath.nodeName),this.rootNode=t,this.getValue=this._getValue_unbound,this.setValue=this._setValue_unbound}static create(t,e,s){return t&&t.isAnimationObjectGroup?new id.Composite(t,e,s):new id(t,e,s)}static sanitizeNodeName(t){return t.replace(/\s/g,"_").replace(Qu,"")}static parseTrackName(t){const e=ed.exec(t);if(null===e)throw new Error("THREE.PropertyBinding: Cannot parse trackName: "+t);const s={nodeName:e[2],objectName:e[3],objectIndex:e[4],propertyName:e[5],propertyIndex:e[6]},i=s.nodeName&&s.nodeName.lastIndexOf(".");if(void 0!==i&&-1!==i){const t=s.nodeName.substring(i+1);-1!==sd.indexOf(t)&&(s.nodeName=s.nodeName.substring(0,i),s.objectName=t)}if(null===s.propertyName||0===s.propertyName.length)throw new Error("THREE.PropertyBinding: can not parse propertyName from trackName: "+t);return s}static findNode(t,e){if(void 0===e||""===e||"."===e||-1===e||e===t.name||e===t.uuid)return t;if(t.skeleton){const s=t.skeleton.getBoneByName(e);if(void 0!==s)return s}if(t.children){const s=function(t){for(let i=0;i=r){const n=r++,l=t[n];e[l.uuid]=h,t[h]=l,e[o]=n,t[n]=a;for(let t=0,e=i;t!==e;++t){const e=s[t],i=e[n],r=e[h];e[h]=i,e[n]=r}}}this.nCachedObjects_=r}uncache(){const t=this._objects,e=this._indicesByUUID,s=this._bindings,i=s.length;let r=this.nCachedObjects_,n=t.length;for(let a=0,o=arguments.length;a!==o;++a){const o=arguments[a].uuid,h=e[o];if(void 0!==h)if(delete e[o],h0&&(e[a.uuid]=h),t[h]=a,t.pop();for(let t=0,e=i;t!==e;++t){const e=s[t];e[h]=e[r],e.pop()}}}this.nCachedObjects_=r}subscribe_(t,e){const s=this._bindingsIndicesByPath;let i=s[t];const r=this._bindings;if(void 0!==i)return r[i];const n=this._paths,a=this._parsedPaths,o=this._objects,h=o.length,l=this.nCachedObjects_,c=new Array(h);i=r.length,s[t]=i,n.push(t),a.push(e),r.push(c);for(let s=l,i=o.length;s!==i;++s){const i=o[s];c[s]=new id(i,t,e)}return c}unsubscribe_(t){const e=this._bindingsIndicesByPath,s=e[t];if(void 0!==s){const i=this._paths,r=this._parsedPaths,n=this._bindings,a=n.length-1,o=n[a];e[t[a]]=s,n[s]=o,n.pop(),r[s]=r[a],r.pop(),i[s]=i[a],i.pop()}}}class nd{constructor(t,e,s=null,i=e.blendMode){this._mixer=t,this._clip=e,this._localRoot=s,this.blendMode=i;const r=e.tracks,n=r.length,a=new Array(n),o={endingStart:De,endingEnd:De};for(let t=0;t!==n;++t){const e=r[t].createInterpolant(null);a[t]=e,e.settings=o}this._interpolantSettings=o,this._interpolants=a,this._propertyBindings=new Array(n),this._cacheIndex=null,this._byClipCacheIndex=null,this._timeScaleInterpolant=null,this._restoreTimeScale=null,this._weightInterpolant=null,this.loop=2201,this._loopCount=-1,this._startTime=null,this.time=0,this.timeScale=1,this._effectiveTimeScale=1,this.weight=1,this._effectiveWeight=1,this.repetitions=1/0,this.paused=!1,this.enabled=!0,this.clampWhenFinished=!1,this.zeroSlopeAtStart=!0,this.zeroSlopeAtEnd=!0}play(){return this._mixer._activateAction(this),this}stop(){return this._mixer._deactivateAction(this),this.reset()}reset(){return this.paused=!1,this.enabled=!0,this.time=0,this._loopCount=-1,this._startTime=null,this.stopFading().stopWarping()}isRunning(){return this.enabled&&!this.paused&&0!==this.timeScale&&null===this._startTime&&this._mixer._isActiveAction(this)}isScheduled(){return this._mixer._isActiveAction(this)}startAt(t){return this._startTime=t,this}setLoop(t,e){return this.loop=t,this.repetitions=e,this}setEffectiveWeight(t){return this.weight=t,this._effectiveWeight=this.enabled?t:0,this.stopFading()}getEffectiveWeight(){return this._effectiveWeight}fadeIn(t){return this._scheduleFading(t,0,1)}fadeOut(t){return this._scheduleFading(t,1,0)}crossFadeFrom(t,e,s=!1){if(t.fadeOut(e),this.fadeIn(e),!0===s){const s=this._clip.duration,i=t._clip.duration,r=i/s,n=s/i;t._restoreTimeScale=t.timeScale,this._restoreTimeScale=this.timeScale,t.warp(1,r,e),this.warp(n,1,e)}return this}crossFadeTo(t,e,s=!1){return t.crossFadeFrom(this,e,s)}stopFading(){const t=this._weightInterpolant;return null!==t&&(this._weightInterpolant=null,this._mixer._takeBackControlInterpolant(t)),this}setEffectiveTimeScale(t){return this.timeScale=t,this._effectiveTimeScale=this.paused?0:t,this.stopWarping()}getEffectiveTimeScale(){return this._effectiveTimeScale}setDuration(t){return this.timeScale=this._clip.duration/t,this.stopWarping()}syncWith(t){return this.time=t.time,this.timeScale=t.timeScale,this.stopWarping()}halt(t){return this.warp(this._effectiveTimeScale,0,t)}warp(t,e,s){const i=this._mixer,r=i.time,n=this.timeScale;let a=this._timeScaleInterpolant;null===a&&(a=i._lendControlInterpolant(),this._timeScaleInterpolant=a);const o=a.parameterPositions,h=a.sampleValues;return o[0]=r,o[1]=r+s,h[0]=t/n,h[1]=e/n,this}stopWarping(){const t=this._timeScaleInterpolant;return null!==t&&(this._timeScaleInterpolant=null,this._mixer._takeBackControlInterpolant(t)),this._restoreTimeScale=null,this}getMixer(){return this._mixer}getClip(){return this._clip}getRoot(){return this._localRoot||this._mixer._root}_update(t,e,s,i){if(!this.enabled)return void this._updateWeight(t);const r=this._startTime;if(null!==r){const i=(t-r)*s;i<0||0===s?e=0:(this._startTime=null,e=s*i)}e*=this._updateTimeScale(t);const n=this._updateTime(e),a=this._updateWeight(t);if(a>0){const t=this._interpolants,e=this._propertyBindings;if(this.blendMode===Je)for(let s=0,i=t.length;s!==i;++s)t[s].evaluate(n),e[s].accumulateAdditive(a);else for(let s=0,r=t.length;s!==r;++s)t[s].evaluate(n),e[s].accumulate(i,a)}}_updateWeight(t){let e=0;if(this.enabled){e=this.weight;const s=this._weightInterpolant;if(null!==s){const i=s.evaluate(t)[0];e*=i,t>s.parameterPositions[1]&&(this.stopFading(),0===i&&(this.enabled=!1))}}return this._effectiveWeight=e,e}_updateTimeScale(t){let e=0;if(!this.paused){e=this.timeScale;const s=this._timeScaleInterpolant;if(null!==s){e*=s.evaluate(t)[0],t>s.parameterPositions[1]&&(0===e?this.paused=!0:(null!==this._restoreTimeScale&&(e=this._restoreTimeScale),this.timeScale=e),this.stopWarping())}}return this._effectiveTimeScale=e,e}_updateTime(t){const e=this._clip.duration,s=this.loop;let i=this.time+t,r=this._loopCount;const n=2202===s;if(0===t)return-1===r||!n||1&~r?i:e-i;if(2200===s){-1===r&&(this._loopCount=0,this._setEndings(!0,!0,!1));t:{if(i>=e)i=e;else{if(!(i<0)){this.time=i;break t}i=0}this.clampWhenFinished?this.paused=!0:this.enabled=!1,this.time=i,this._mixer.dispatchEvent({type:"finished",action:this,direction:t<0?-1:1})}}else{if(-1===r&&(t>=0?(r=0,this._setEndings(!0,0===this.repetitions,n)):this._setEndings(0===this.repetitions,!0,n)),i>=e||i<0){const s=Math.floor(i/e);i-=e*s,r+=Math.abs(s);const a=this.repetitions-r;if(a<=0)this.clampWhenFinished?this.paused=!0:this.enabled=!1,i=t>0?e:0,this.time=i,this._mixer.dispatchEvent({type:"finished",action:this,direction:t>0?1:-1});else{if(1===a){const e=t<0;this._setEndings(e,!e,n)}else this._setEndings(!1,!1,n);this._loopCount=r,this.time=i,this._mixer.dispatchEvent({type:"loop",action:this,loopDelta:s})}}else this._loopCount=r,this.time=i;if(n&&!(1&~r))return e-i}return i}_setEndings(t,e,s){const i=this._interpolantSettings;s?(i.endingStart=Ue,i.endingEnd=Ue):(i.endingStart=t?this.zeroSlopeAtStart?Ue:De:je,i.endingEnd=e?this.zeroSlopeAtEnd?Ue:De:je)}_scheduleFading(t,e,s){const i=this._mixer,r=i.time;let n=this._weightInterpolant;null===n&&(n=i._lendControlInterpolant(),this._weightInterpolant=n);const a=n.parameterPositions,o=n.sampleValues;return a[0]=r,o[0]=e,a[1]=r+t,o[1]=s,this}}const ad=new Float32Array(1);class od extends di{constructor(t){super(),this._root=t,this._initMemoryManager(),this._accuIndex=0,this.time=0,this.timeScale=1,"undefined"!=typeof __THREE_DEVTOOLS__&&__THREE_DEVTOOLS__.dispatchEvent(new CustomEvent("observe",{detail:this}))}_bindAction(t,e){const s=t._localRoot||this._root,i=t._clip.tracks,r=i.length,n=t._propertyBindings,a=t._interpolants,o=s.uuid,h=this._bindingsByRootAndName;let l=h[o];void 0===l&&(l={},h[o]=l);for(let t=0;t!==r;++t){const r=i[t],h=r.name;let c=l[h];if(void 0!==c)++c.referenceCount,n[t]=c;else{if(c=n[t],void 0!==c){null===c._cacheIndex&&(++c.referenceCount,this._addInactiveBinding(c,o,h));continue}const i=e&&e._propertyBindings[t].binding.parsedPath;c=new Gu(id.create(s,h,i),r.ValueTypeName,r.getValueSize()),++c.referenceCount,this._addInactiveBinding(c,o,h),n[t]=c}a[t].resultBuffer=c.buffer}}_activateAction(t){if(!this._isActiveAction(t)){if(null===t._cacheIndex){const e=(t._localRoot||this._root).uuid,s=t._clip.uuid,i=this._actionsByClip[s];this._bindAction(t,i&&i.knownActions[0]),this._addInactiveAction(t,s,e)}const e=t._propertyBindings;for(let t=0,s=e.length;t!==s;++t){const s=e[t];0===s.useCount++&&(this._lendBinding(s),s.saveOriginalState())}this._lendAction(t)}}_deactivateAction(t){if(this._isActiveAction(t)){const e=t._propertyBindings;for(let t=0,s=e.length;t!==s;++t){const s=e[t];0===--s.useCount&&(s.restoreOriginalState(),this._takeBackBinding(s))}this._takeBackAction(t)}}_initMemoryManager(){this._actions=[],this._nActiveActions=0,this._actionsByClip={},this._bindings=[],this._nActiveBindings=0,this._bindingsByRootAndName={},this._controlInterpolants=[],this._nActiveControlInterpolants=0;const t=this;this.stats={actions:{get total(){return t._actions.length},get inUse(){return t._nActiveActions}},bindings:{get total(){return t._bindings.length},get inUse(){return t._nActiveBindings}},controlInterpolants:{get total(){return t._controlInterpolants.length},get inUse(){return t._nActiveControlInterpolants}}}}_isActiveAction(t){const e=t._cacheIndex;return null!==e&&e=0;--e)t[e].stop();return this}update(t){t*=this.timeScale;const e=this._actions,s=this._nActiveActions,i=this.time+=t,r=Math.sign(t),n=this._accuIndex^=1;for(let a=0;a!==s;++a){e[a]._update(i,t,r,n)}const a=this._bindings,o=this._nActiveBindings;for(let t=0;t!==o;++t)a[t].apply(n);return this}setTime(t){this.time=0;for(let t=0;t=this.min.x&&t.x<=this.max.x&&t.y>=this.min.y&&t.y<=this.max.y}containsBox(t){return this.min.x<=t.min.x&&t.max.x<=this.max.x&&this.min.y<=t.min.y&&t.max.y<=this.max.y}getParameter(t,e){return e.set((t.x-this.min.x)/(this.max.x-this.min.x),(t.y-this.min.y)/(this.max.y-this.min.y))}intersectsBox(t){return t.max.x>=this.min.x&&t.min.x<=this.max.x&&t.max.y>=this.min.y&&t.min.y<=this.max.y}clampPoint(t,e){return e.copy(t).clamp(this.min,this.max)}distanceToPoint(t){return this.clampPoint(t,Md).distanceTo(t)}intersect(t){return this.min.max(t.min),this.max.min(t.max),this.isEmpty()&&this.makeEmpty(),this}union(t){return this.min.min(t.min),this.max.max(t.max),this}translate(t){return this.min.add(t),this.max.add(t),this}equals(t){return t.min.equals(this.min)&&t.max.equals(this.max)}}const _d=new Ti,Ad=new Ti,Td=new Ti,zd=new Ti,Cd=new Ti,Id=new Ti,Bd=new Ti;class kd{constructor(t=new Ti,e=new Ti){this.start=t,this.end=e}set(t,e){return this.start.copy(t),this.end.copy(e),this}copy(t){return this.start.copy(t.start),this.end.copy(t.end),this}getCenter(t){return t.addVectors(this.start,this.end).multiplyScalar(.5)}delta(t){return t.subVectors(this.end,this.start)}distanceSq(){return this.start.distanceToSquared(this.end)}distance(){return this.start.distanceTo(this.end)}at(t,e){return this.delta(e).multiplyScalar(t).add(this.start)}closestPointToPointParameter(t,e){_d.subVectors(t,this.start),Ad.subVectors(this.end,this.start);const s=Ad.dot(Ad);if(0===s)return 0;let i=Ad.dot(_d)/s;return e&&(i=xi(i,0,1)),i}closestPointToPoint(t,e,s){const i=this.closestPointToPointParameter(t,e);return this.delta(s).multiplyScalar(i).add(this.start)}distanceSqToLine3(t,e=Id,s=Bd){const i=1e-8*1e-8;let r,n;const a=this.start,o=t.start,h=this.end,l=t.end;Td.subVectors(h,a),zd.subVectors(l,o),Cd.subVectors(a,o);const c=Td.dot(Td),u=zd.dot(zd),d=zd.dot(Cd);if(c<=i&&u<=i)return e.copy(a),s.copy(o),e.sub(s),e.dot(e);if(c<=i)r=0,n=d/u,n=xi(n,0,1);else{const t=Td.dot(Cd);if(u<=i)n=0,r=xi(-t/c,0,1);else{const e=Td.dot(zd),s=c*u-e*e;r=0!==s?xi((e*d-t*u)/s,0,1):0,n=(e*r+d)/u,n<0?(n=0,r=xi(-t/c,0,1)):n>1&&(n=1,r=xi((e-t)/c,0,1))}}return e.copy(a).addScaledVector(Td,r),s.copy(o).addScaledVector(zd,n),e.distanceToSquared(s)}applyMatrix4(t){return this.start.applyMatrix4(t),this.end.applyMatrix4(t),this}equals(t){return t.start.equals(this.start)&&t.end.equals(this.end)}clone(){return(new this.constructor).copy(this)}}const Od=new Ti;class Pd extends Ar{constructor(t,e){super(),this.light=t,this.matrixAutoUpdate=!1,this.color=e,this.type="SpotLightHelper";const s=new Wn,i=[0,0,0,0,0,1,0,0,0,1,0,1,0,0,0,-1,0,1,0,0,0,0,1,1,0,0,0,0,-1,1];for(let t=0,e=1,s=32;t1)for(let s=0;s.99999)this.quaternion.set(0,0,0,1);else if(t.y<-.99999)this.quaternion.set(1,0,0,0);else{rp.set(t.z,0,-t.x).normalize();const e=Math.acos(t.y);this.quaternion.setFromAxisAngle(rp,e)}}setLength(t,e=.2*t,s=.2*e){this.line.scale.set(1,Math.max(1e-4,t-e),1),this.line.updateMatrix(),this.cone.scale.set(s,e,s),this.cone.position.y=t,this.cone.updateMatrix()}setColor(t){this.line.material.color.set(t),this.cone.material.color.set(t)}copy(t){return super.copy(t,!1),this.line.copy(t.line),this.cone.copy(t.cone),this}dispose(){this.line.geometry.dispose(),this.line.material.dispose(),this.cone.geometry.dispose(),this.cone.material.dispose()}}class hp extends Yo{constructor(t=1){const e=[0,0,0,t,0,0,0,0,0,0,t,0,0,0,0,0,0,t],s=new Wn;s.setAttribute("position",new kn(e,3)),s.setAttribute("color",new kn([1,0,0,1,.6,0,0,1,0,.6,1,0,0,0,1,0,.6,1],3));super(s,new No({vertexColors:!0,toneMapped:!1})),this.type="AxesHelper"}setColors(t,e,s){const i=new Pr,r=this.geometry.attributes.color.array;return i.set(t),i.toArray(r,0),i.toArray(r,3),i.set(e),i.toArray(r,6),i.toArray(r,9),i.set(s),i.toArray(r,12),i.toArray(r,15),this.geometry.attributes.color.needsUpdate=!0,this}dispose(){this.geometry.dispose(),this.material.dispose()}}class lp{constructor(){this.type="ShapePath",this.color=new Pr,this.subPaths=[],this.currentPath=null,this.userData={}}moveTo(t,e){return this.currentPath=new Zh,this.subPaths.push(this.currentPath),this.currentPath.moveTo(t,e),this}lineTo(t,e){return this.currentPath.lineTo(t,e),this}quadraticCurveTo(t,e,s,i){return this.currentPath.quadraticCurveTo(t,e,s,i),this}bezierCurveTo(t,e,s,i,r,n){return this.currentPath.bezierCurveTo(t,e,s,i,r,n),this}splineThru(t){return this.currentPath.splineThru(t),this}toShapes(){function t(t,e){let s=!1;const i=e.length;for(let r=0,n=i-1;rt.y!=a.y>t.y&&t.x<(a.x-i.x)*(t.y-i.y)/(a.y-i.y)+i.x&&(s=!s)}return s}function e(e,s){const i=s.getCenter(new _i);if(t(i,e))return i;const r=i.y,n=[],a=e.length;for(let t=0;tr!=i.y>r){const t=s.x+(r-s.y)*(i.x-s.x)/(i.y-s.y);n.push(t)}}return n.length>1&&(n.sort((t,e)=>t-e),i.x=(n[0]+n[1])/2),i}let s=this.userData.style&&this.userData.style.fillRule||"nonzero";"nonzero"!==s&&"evenodd"!==s&&(ai('Fill-rule "'+s+'" is not supported, falling back to "nonzero".'),s="nonzero");const i="nonzero"===s?t=>0!==t:t=>!!(1&t),r=[];for(const t of this.subPaths){const s=t.getPoints();if(s.length<3)continue;const i=_l.area(s);if(0===i)continue;const n=new Sd;for(let t=0;te.absArea-t.absArea);for(let e=0;e=0;i--){const e=r[i];if(e.boundingBox.containsPoint(s.interiorPoint)&&t(s.interiorPoint,e.points)){s.container=e.exclude?e.container:e,n=e.winding,s.winding+=n;break}}i(s.winding)===i(n)&&(s.exclude=!0)}for(const t of r)t.exclude||(t.role=null===t.container||"hole"===t.container.role?"outer":"hole");const n=[],a=new Map;for(const t of r){if(t.exclude||"outer"!==t.role)continue;const e=new Gh;e.curves=t.subPath.curves,n.push(e),a.set(t,e)}for(const t of r){if(t.exclude||"hole"!==t.role)continue;const e=a.get(t.container);if(!e)continue;const s=new Zh;s.curves=t.subPath.curves,e.holes.push(s)}return n}}class cp extends di{constructor(t,e=null){super(),this.object=t,this.domElement=e,this.enabled=!0,this.state=-1,this.keys={},this.mouseButtons={LEFT:null,MIDDLE:null,RIGHT:null},this.touches={ONE:null,TWO:null}}connect(t){void 0!==t?(null!==this.domElement&&this.disconnect(),this.domElement=t):ai("Controls: connect() now requires an element.")}disconnect(){}dispose(){}update(){}}function up(t,e,s,i){const r=function(t){switch(t){case zt:case Ct:return{byteLength:1,components:1};case Bt:case It:case Rt:return{byteLength:2,components:1};case Et:case Nt:return{byteLength:2,components:4};case Ot:case kt:case Pt:return{byteLength:4,components:1};case Lt:case Ft:return{byteLength:4,components:3}}throw new Error(`THREE.TextureUtils: Unknown texture type ${t}.`)}(i);switch(s){case 1021:return t*e;case qt:case Ht:return t*e/r.components*r.byteLength;case 1030:case 1031:return t*e*2/r.components*r.byteLength;case 1022:return t*e*3/r.components*r.byteLength;case jt:case 1033:return t*e*4/r.components*r.byteLength;case 33776:case 33777:return Math.floor((t+3)/4)*Math.floor((e+3)/4)*8;case 33778:case 33779:return Math.floor((t+3)/4)*Math.floor((e+3)/4)*16;case 35841:case 35843:return Math.max(t,16)*Math.max(e,8)/4;case 35840:case 35842:return Math.max(t,8)*Math.max(e,8)/2;case 36196:case 37492:case 37488:case 37489:return Math.floor((t+3)/4)*Math.floor((e+3)/4)*8;case 37496:case 37490:case 37491:case 37808:return Math.floor((t+3)/4)*Math.floor((e+3)/4)*16;case 37809:return Math.floor((t+4)/5)*Math.floor((e+3)/4)*16;case 37810:return Math.floor((t+4)/5)*Math.floor((e+4)/5)*16;case 37811:return Math.floor((t+5)/6)*Math.floor((e+4)/5)*16;case 37812:return Math.floor((t+5)/6)*Math.floor((e+5)/6)*16;case 37813:return Math.floor((t+7)/8)*Math.floor((e+4)/5)*16;case 37814:return Math.floor((t+7)/8)*Math.floor((e+5)/6)*16;case 37815:return Math.floor((t+7)/8)*Math.floor((e+7)/8)*16;case 37816:return Math.floor((t+9)/10)*Math.floor((e+4)/5)*16;case 37817:return Math.floor((t+9)/10)*Math.floor((e+5)/6)*16;case 37818:return Math.floor((t+9)/10)*Math.floor((e+7)/8)*16;case 37819:return Math.floor((t+9)/10)*Math.floor((e+9)/10)*16;case 37820:return Math.floor((t+11)/12)*Math.floor((e+9)/10)*16;case 37821:return Math.floor((t+11)/12)*Math.floor((e+11)/12)*16;case 36492:case 36494:case 36495:return Math.ceil(t/4)*Math.ceil(e/4)*16;case 36283:case 36284:return Math.ceil(t/4)*Math.ceil(e/4)*8;case 36285:case 36286:return Math.ceil(t/4)*Math.ceil(e/4)*16}throw new Error(`Unable to determine texture byte length for ${s} format.`)}class dp{static contain(t,e){return function(t,e){const s=t.image&&t.image.width?t.image.width/t.image.height:1;return s>e?(t.repeat.x=1,t.repeat.y=s/e,t.offset.x=0,t.offset.y=(1-t.repeat.y)/2):(t.repeat.x=e/s,t.repeat.y=1,t.offset.x=(1-t.repeat.x)/2,t.offset.y=0),t}(t,e)}static cover(t,e){return function(t,e){const s=t.image&&t.image.width?t.image.width/t.image.height:1;return s>e?(t.repeat.x=e/s,t.repeat.y=1,t.offset.x=(1-t.repeat.x)/2,t.offset.y=0):(t.repeat.x=1,t.repeat.y=s/e,t.offset.x=0,t.offset.y=(1-t.repeat.y)/2),t}(t,e)}static fill(t){return function(t){return t.repeat.x=1,t.repeat.y=1,t.offset.x=0,t.offset.y=0,t}(t)}static getByteLength(t,e,s,i){return up(t,e,s,i)}}"undefined"!=typeof __THREE_DEVTOOLS__&&__THREE_DEVTOOLS__.dispatchEvent(new CustomEvent("register",{detail:{revision:t}})),"undefined"!=typeof window&&(window.__THREE__?ai("WARNING: Multiple instances of Three.js being imported."):window.__THREE__=t);export{st as ACESFilmicToneMapping,w as AddEquation,$ as AddOperation,Je as AdditiveAnimationBlendMode,g as AdditiveBlending,rt as AgXToneMapping,Dt as AlphaFormat,ks as AlwaysCompare,j as AlwaysDepth,Ss as AlwaysStencilFunc,lu as AmbientLight,nd as AnimationAction,Ac as AnimationClip,Ec as AnimationLoader,od as AnimationMixer,rd as AnimationObjectGroup,uc as AnimationUtils,Ih as ArcCurve,Ru as ArrayCamera,op as ArrowHelper,at as AttachedBindMode,Wu as Audio,Zu as AudioAnalyser,Tu as AudioContext,ju as AudioListener,zu as AudioLoader,hp as AxesHelper,d as BackSide,Ye as BasicDepthPacking,o as BasicShadowMap,Eo as BatchedMesh,gc as BezierInterpolant,Ha as Bone,xc as BooleanKeyframeTrack,Sd as Box2,Qr as Box3,sp as Box3Helper,yh as BoxGeometry,ep as BoxHelper,Mn as BufferAttribute,Wn as BufferGeometry,fu as BufferGeometryLoader,Ct as ByteType,zc as Cache,$c as Camera,Qd as CameraHelper,ch as CanvasTexture,gh as CapsuleGeometry,Nh as CatmullRomCurve3,et as CineonToneMapping,fh as CircleGeometry,yt as ClampToEdgeWrapping,xd as Clock,Pr as Color,bc as ColorKeyframeTrack,Ri as ColorManagement,Ys as Compatibility,oh as CompressedArrayTexture,hh as CompressedCubeTexture,ah as CompressedTexture,Nc as CompressedTextureLoader,bh as ConeGeometry,F as ConstantAlphaFactor,V as ConstantColorFactor,cp as Controls,Pu as CubeCamera,ph as CubeDepthTexture,lt as CubeReflectionMapping,ct as CubeRefractionMapping,lh as CubeTexture,Fc as CubeTextureLoader,pt as CubeUVReflectionMapping,Dh as CubicBezierCurve,Uh as CubicBezierCurve3,pc as CubicInterpolant,r as CullFaceBack,n as CullFaceFront,a as CullFaceFrontBack,i as CullFaceNone,zh as Curve,Yh as CurvePath,b as CustomBlending,it as CustomToneMapping,xh as CylinderGeometry,vd as Cylindrical,Gi as Data3DTexture,Yi as DataArrayTexture,Xa as DataTexture,Dc as DataTextureLoader,xn as DataUtils,ds as DecrementStencilOp,ms as DecrementWrapStencilOp,Bc as DefaultLoadingManager,Wt as DepthFormat,Jt as DepthStencilFormat,dh as DepthTexture,ot as DetachedBindMode,hu as DirectionalLight,Zd as DirectionalLightHelper,yc as DiscreteInterpolant,wh as DodecahedronGeometry,p as DoubleSide,O as DstAlphaFactor,R as DstColorFactor,Fs as DynamicCopyUsage,Ps as DynamicDrawUsage,Ns as DynamicReadUsage,Th as EdgesGeometry,Ch as EllipseCurve,Ts as EqualCompare,q as EqualDepth,xs as EqualStencilFunc,ut as EquirectangularReflectionMapping,dt as EquirectangularRefractionMapping,hr as Euler,di as EventDispatcher,mh as ExternalTexture,zl as ExtrudeGeometry,Rc as FileLoader,Bn as Float16BufferAttribute,kn as Float32BufferAttribute,Pt as FloatType,Nr as Fog,Er as FogExp2,nh as FramebufferTexture,u as FrontSide,mo as Frustum,go as FrustumArray,pd as GLBufferAttribute,Us as GLSL1,js as GLSL3,Cs as GreaterCompare,X as GreaterDepth,Bs as GreaterEqualCompare,H as GreaterEqualDepth,Ms as GreaterEqualStencilFunc,vs as GreaterStencilFunc,Jd as GridHelper,Tr as Group,uh as HTMLTexture,Rt as HalfFloatType,Wc as HemisphereLight,Wd as HemisphereLightHelper,Il as IcosahedronGeometry,_u as ImageBitmapLoader,Lc as ImageLoader,Li as ImageUtils,us as IncrementStencilOp,ps as IncrementWrapStencilOp,$a as InstancedBufferAttribute,gu as InstancedBufferGeometry,dd as InstancedInterleavedBuffer,no as InstancedMesh,Tn as Int16BufferAttribute,Cn as Int32BufferAttribute,Sn as Int8BufferAttribute,kt as IntType,Jn as InterleavedBuffer,Hn as InterleavedBufferAttribute,dc as Interpolant,Fe as InterpolateBezier,Ne as InterpolateDiscrete,Ve as InterpolateLinear,Le as InterpolateSmooth,Xs as InterpolationSamplingMode,Hs as InterpolationSamplingType,ys as InvertStencilOp,ls as KeepStencilOp,fc as KeyframeTrack,pa as LOD,Bl as LatheGeometry,lr as Layers,As as LessCompare,W as LessDepth,zs as LessEqualCompare,J as LessEqualDepth,bs as LessEqualStencilFunc,fs as LessStencilFunc,jc as Light,du as LightProbe,Jo as Line,kd as Line3,No as LineBasicMaterial,jh as LineCurve,Wh as LineCurve3,ac as LineDashedMaterial,Zo as LineLoop,Yo as LineSegments,Mt as LinearFilter,mc as LinearInterpolant,Tt as LinearMipMapLinearFilter,_t as LinearMipMapNearestFilter,At as LinearMipmapLinearFilter,St as LinearMipmapNearestFilter,ss as LinearSRGBColorSpace,K as LinearToneMapping,is as LinearTransfer,kc as Loader,yu as LoaderUtils,Ic as LoadingManager,Pe as LoopOnce,Ee as LoopPingPong,Re as LoopRepeat,e as MOUSE,Zn as Material,v as MaterialBlending,mu as MaterialLoader,Si as MathUtils,wd as Matrix2,Ii as Matrix3,Qi as Matrix4,A as MaxEquation,Ra as Mesh,Ma as MeshBasicMaterial,ic as MeshDepthMaterial,rc as MeshDistanceMaterial,sc as MeshLambertMaterial,nc as MeshMatcapMaterial,ec as MeshNormalMaterial,Kl as MeshPhongMaterial,Ql as MeshPhysicalMaterial,$l as MeshStandardMaterial,tc as MeshToonMaterial,_ as MinEquation,gt as MirroredRepeatWrapping,G as MixOperation,x as MultiplyBlending,Z as MultiplyOperation,ft as NearestFilter,wt as NearestMipMapLinearFilter,bt as NearestMipMapNearestFilter,vt as NearestMipmapLinearFilter,xt as NearestMipmapNearestFilter,nt as NeutralToneMapping,_s as NeverCompare,U as NeverDepth,gs as NeverStencilFunc,m as NoBlending,ts as NoColorSpace,ns as NoNormalPacking,Q as NoToneMapping,We as NormalAnimationBlendMode,y as NormalBlending,os as NormalGAPacking,as as NormalRGPacking,Is as NotEqualCompare,Y as NotEqualDepth,ws as NotEqualStencilFunc,vc as NumberKeyframeTrack,Ar as Object3D,bu as ObjectLoader,Ke as ObjectSpaceNormalMap,kl as OctahedronGeometry,z as OneFactor,D as OneMinusConstantAlphaFactor,L as OneMinusConstantColorFactor,P as OneMinusDstAlphaFactor,E as OneMinusDstColorFactor,k as OneMinusSrcAlphaFactor,I as OneMinusSrcColorFactor,au as OrthographicCamera,h as PCFShadowMap,l as PCFSoftShadowMap,Zh as Path,eu as PerspectiveCamera,lo as Plane,Ol as PlaneGeometry,ip as PlaneHelper,nu as PointLight,Fd as PointLightHelper,eh as Points,Go as PointsMaterial,qd as PolarGridHelper,vh as PolyhedronGeometry,Yu as PositionalAudio,id as PropertyBinding,Gu as PropertyMixer,Jh as QuadraticBezierCurve,qh as QuadraticBezierCurve3,Ai as Quaternion,Mc as QuaternionKeyframeTrack,wc as QuaternionLinearInterpolant,he as R11_EAC_Format,gi as RAD2DEG,ke as RED_GREEN_RGTC2_Format,Ie as RED_RGTC1_Format,t as REVISION,ce as RG11_EAC_Format,Ze as RGBADepthPacking,jt as RGBAFormat,Gt as RGBAIntegerFormat,Se as RGBA_ASTC_10x10_Format,ve as RGBA_ASTC_10x5_Format,we as RGBA_ASTC_10x6_Format,Me as RGBA_ASTC_10x8_Format,_e as RGBA_ASTC_12x10_Format,Ae as RGBA_ASTC_12x12_Format,de as RGBA_ASTC_4x4_Format,pe as RGBA_ASTC_5x4_Format,me as RGBA_ASTC_5x5_Format,ye as RGBA_ASTC_6x5_Format,ge as RGBA_ASTC_6x6_Format,fe as RGBA_ASTC_8x5_Format,xe as RGBA_ASTC_8x6_Format,be as RGBA_ASTC_8x8_Format,Te as RGBA_BPTC_Format,oe as RGBA_ETC2_EAC_Format,re as RGBA_PVRTC_2BPPV1_Format,ie as RGBA_PVRTC_4BPPV1_Format,Qt as RGBA_S3TC_DXT1_Format,Kt as RGBA_S3TC_DXT3_Format,te as RGBA_S3TC_DXT5_Format,Ge as RGBDepthPacking,Ut as RGBFormat,Zt as RGBIntegerFormat,ze as RGB_BPTC_SIGNED_Format,Ce as RGB_BPTC_UNSIGNED_Format,ne as RGB_ETC1_Format,ae as RGB_ETC2_Format,se as RGB_PVRTC_2BPPV1_Format,ee as RGB_PVRTC_4BPPV1_Format,$t as RGB_S3TC_DXT1_Format,$e as RGDepthPacking,Xt as RGFormat,Yt as RGIntegerFormat,Gl as RawShaderMaterial,wa as Ray,yd as Raycaster,cu as RectAreaLight,qt as RedFormat,Ht as RedIntegerFormat,tt as ReinhardToneMapping,Hi as RenderTarget,hd as RenderTarget3D,mt as RepeatWrapping,cs as ReplaceStencilOp,S as ReverseSubtractEquation,ui as ReversedDepthFuncs,Pl as RingGeometry,le as SIGNED_R11_EAC_Format,Oe as SIGNED_RED_GREEN_RGTC2_Format,Be as SIGNED_RED_RGTC1_Format,ue as SIGNED_RG11_EAC_Format,es as SRGBColorSpace,rs as SRGBTransfer,Vr as Scene,Zl as ShaderMaterial,Wl as ShadowMaterial,Gh as Shape,Rl as ShapeGeometry,lp as ShapePath,_l as ShapeUtils,It as ShortType,Ga as Skeleton,Vd as SkeletonHelper,qa as SkinnedMesh,Di as Source,En as Sphere,El as SphereGeometry,bd as Spherical,uu as SphericalHarmonics3,Hh as SplineCurve,iu as SpotLight,Pd as SpotLightHelper,la as Sprite,Gn as SpriteMaterial,B as SrcAlphaFactor,N as SrcAlphaSaturateFactor,C as SrcColorFactor,Ls as StaticCopyUsage,Os as StaticDrawUsage,Es as StaticReadUsage,ku as StereoCamera,Ds as StreamCopyUsage,Rs as StreamDrawUsage,Vs as StreamReadUsage,Sc as StringKeyframeTrack,M as SubtractEquation,f as SubtractiveBlending,s as TOUCH,Qe as TangentSpaceNormalMap,Nl as TetrahedronGeometry,Ji as Texture,Uc as TextureLoader,dp as TextureUtils,Eu as Timer,qs as TimestampQuery,Vl as TorusGeometry,Ll as TorusKnotGeometry,$r as Triangle,Xe as TriangleFanDrawMode,He as TriangleStripDrawMode,qe as TrianglesDrawMode,Fl as TubeGeometry,ht as UVMapping,zn as Uint16BufferAttribute,In as Uint32BufferAttribute,_n as Uint8BufferAttribute,An as Uint8ClampedBufferAttribute,ld as Uniform,ud as UniformsGroup,Yl as UniformsUtils,zt as UnsignedByteType,Ft as UnsignedInt101111Type,Vt as UnsignedInt248Type,Lt as UnsignedInt5999Type,Ot as UnsignedIntType,Et as UnsignedShort4444Type,Nt as UnsignedShort5551Type,Bt as UnsignedShortType,c as VSMShadowMap,_i as Vector2,Ti as Vector3,qi as Vector4,_c as VectorKeyframeTrack,rh as VideoFrameTexture,ih as VideoTexture,$i as WebGL3DRenderTarget,Zi as WebGLArrayRenderTarget,Ws as WebGLCoordinateSystem,Xi as WebGLRenderTarget,Js as WebGPUCoordinateSystem,Cr as WebXRController,Dl as WireframeGeometry,je as WrapAroundEnding,De as ZeroCurvatureEnding,T as ZeroFactor,Ue as ZeroSlopeEnding,hs as ZeroStencilOp,Jl as cloneUniforms,Ks as createCanvasElement,Qs as createElementNS,oi as error,up as getByteLength,ii as getConsoleFunction,Xl as getUnlitUniformColorSpace,$s as isTypedArray,ri as log,ql as mergeUniforms,ci as probeAsync,si as setConsoleFunction,ai as warn,hi as warnOnce,li as yieldToMain}; diff --git a/build/three.module.min.js b/build/three.module.min.js deleted file mode 100644 index 5ae623ca0c0491..00000000000000 --- a/build/three.module.min.js +++ /dev/null @@ -1,6 +0,0 @@ -/** - * @license - * Copyright 2010-2026 Three.js Authors - * SPDX-License-Identifier: MIT - */ -import{Matrix3 as e,Vector2 as t,Color as n,Vector3 as i,mergeUniforms as r,CubeUVReflectionMapping as a,Mesh as o,BoxGeometry as s,ShaderMaterial as l,BackSide as c,cloneUniforms as d,Matrix4 as u,ColorManagement as f,SRGBTransfer as p,PlaneGeometry as m,FrontSide as h,getUnlitUniformColorSpace as _,IntType as g,warn as v,HalfFloatType as E,UnsignedByteType as S,FloatType as M,RGBAFormat as T,Plane as x,CubeReflectionMapping as R,CubeRefractionMapping as A,BufferGeometry as b,OrthographicCamera as C,PerspectiveCamera as P,NoToneMapping as L,MeshBasicMaterial as U,error as D,NoBlending as w,WebGLRenderTarget as I,BufferAttribute as N,LinearSRGBColorSpace as y,LinearFilter as O,CubeTexture as F,LinearMipmapLinearFilter as B,CubeCamera as G,EquirectangularReflectionMapping as H,EquirectangularRefractionMapping as V,warnOnce as W,Uint32BufferAttribute as z,Uint16BufferAttribute as k,DataArrayTexture as X,Vector4 as K,DepthTexture as Y,Float32BufferAttribute as q,RawShaderMaterial as j,CustomToneMapping as Z,NeutralToneMapping as $,AgXToneMapping as Q,ACESFilmicToneMapping as J,CineonToneMapping as ee,ReinhardToneMapping as te,LinearToneMapping as ne,Data3DTexture as ie,GreaterEqualCompare as re,LessEqualCompare as ae,Texture as oe,GLSL3 as se,VSMShadowMap as le,PCFShadowMap as ce,AddOperation as de,MixOperation as ue,MultiplyOperation as fe,LinearTransfer as pe,UniformsUtils as me,DoubleSide as he,NormalBlending as _e,TangentSpaceNormalMap as ge,ObjectSpaceNormalMap as ve,Layers as Ee,RGFormat as Se,RG11_EAC_Format as Me,RED_GREEN_RGTC2_Format as Te,MeshDepthMaterial as xe,MeshDistanceMaterial as Re,PCFSoftShadowMap as Ae,DepthFormat as be,NearestFilter as Ce,CubeDepthTexture as Pe,UnsignedIntType as Le,Frustum as Ue,LessEqualDepth as De,ReverseSubtractEquation as we,SubtractEquation as Ie,AddEquation as Ne,OneMinusConstantAlphaFactor as ye,ConstantAlphaFactor as Oe,OneMinusConstantColorFactor as Fe,ConstantColorFactor as Be,OneMinusDstAlphaFactor as Ge,OneMinusDstColorFactor as He,OneMinusSrcAlphaFactor as Ve,OneMinusSrcColorFactor as We,DstAlphaFactor as ze,DstColorFactor as ke,SrcAlphaSaturateFactor as Xe,SrcAlphaFactor as Ke,SrcColorFactor as Ye,OneFactor as qe,ZeroFactor as je,NotEqualDepth as Ze,GreaterDepth as $e,GreaterEqualDepth as Qe,EqualDepth as Je,LessDepth as et,AlwaysDepth as tt,NeverDepth as nt,CullFaceNone as it,CullFaceBack as rt,CullFaceFront as at,CustomBlending as ot,MultiplyBlending as st,SubtractiveBlending as lt,AdditiveBlending as ct,ReversedDepthFuncs as dt,MinEquation as ut,MaxEquation as ft,MirroredRepeatWrapping as pt,ClampToEdgeWrapping as mt,RepeatWrapping as ht,LinearMipmapNearestFilter as _t,NearestMipmapLinearFilter as gt,NearestMipmapNearestFilter as vt,NotEqualCompare as Et,GreaterCompare as St,EqualCompare as Mt,LessCompare as Tt,AlwaysCompare as xt,NeverCompare as Rt,NoColorSpace as At,DepthStencilFormat as bt,getByteLength as Ct,UnsignedInt248Type as Pt,UnsignedShortType as Lt,createElementNS as Ut,UnsignedShort4444Type as Dt,UnsignedShort5551Type as wt,UnsignedInt5999Type as It,UnsignedInt101111Type as Nt,ByteType as yt,ShortType as Ot,AlphaFormat as Ft,RGBFormat as Bt,RedFormat as Gt,RedIntegerFormat as Ht,RGIntegerFormat as Vt,RGBAIntegerFormat as Wt,RGB_S3TC_DXT1_Format as zt,RGBA_S3TC_DXT1_Format as kt,RGBA_S3TC_DXT3_Format as Xt,RGBA_S3TC_DXT5_Format as Kt,RGB_PVRTC_4BPPV1_Format as Yt,RGB_PVRTC_2BPPV1_Format as qt,RGBA_PVRTC_4BPPV1_Format as jt,RGBA_PVRTC_2BPPV1_Format as Zt,RGB_ETC1_Format as $t,RGB_ETC2_Format as Qt,RGBA_ETC2_EAC_Format as Jt,R11_EAC_Format as en,SIGNED_R11_EAC_Format as tn,SIGNED_RG11_EAC_Format as nn,RGBA_ASTC_4x4_Format as rn,RGBA_ASTC_5x4_Format as an,RGBA_ASTC_5x5_Format as on,RGBA_ASTC_6x5_Format as sn,RGBA_ASTC_6x6_Format as ln,RGBA_ASTC_8x5_Format as cn,RGBA_ASTC_8x6_Format as dn,RGBA_ASTC_8x8_Format as un,RGBA_ASTC_10x5_Format as fn,RGBA_ASTC_10x6_Format as pn,RGBA_ASTC_10x8_Format as mn,RGBA_ASTC_10x10_Format as hn,RGBA_ASTC_12x10_Format as _n,RGBA_ASTC_12x12_Format as gn,RGBA_BPTC_Format as vn,RGB_BPTC_SIGNED_Format as En,RGB_BPTC_UNSIGNED_Format as Sn,RED_RGTC1_Format as Mn,SIGNED_RED_RGTC1_Format as Tn,SIGNED_RED_GREEN_RGTC2_Format as xn,ExternalTexture as Rn,EventDispatcher as An,ArrayCamera as bn,WebXRController as Cn,RAD2DEG as Pn,DataTexture as Ln,createCanvasElement as Un,SRGBColorSpace as Dn,REVISION as wn,log as In,WebGLCoordinateSystem as Nn,probeAsync as yn}from"./three.core.min.js";export{AdditiveAnimationBlendMode,AlwaysStencilFunc,AmbientLight,AnimationAction,AnimationClip,AnimationLoader,AnimationMixer,AnimationObjectGroup,AnimationUtils,ArcCurve,ArrowHelper,AttachedBindMode,Audio,AudioAnalyser,AudioContext,AudioListener,AudioLoader,AxesHelper,BasicDepthPacking,BasicShadowMap,BatchedMesh,BezierInterpolant,Bone,BooleanKeyframeTrack,Box2,Box3,Box3Helper,BoxHelper,BufferGeometryLoader,Cache,Camera,CameraHelper,CanvasTexture,CapsuleGeometry,CatmullRomCurve3,CircleGeometry,Clock,ColorKeyframeTrack,Compatibility,CompressedArrayTexture,CompressedCubeTexture,CompressedTexture,CompressedTextureLoader,ConeGeometry,Controls,CubeTextureLoader,CubicBezierCurve,CubicBezierCurve3,CubicInterpolant,CullFaceFrontBack,Curve,CurvePath,CylinderGeometry,Cylindrical,DataTextureLoader,DataUtils,DecrementStencilOp,DecrementWrapStencilOp,DefaultLoadingManager,DetachedBindMode,DirectionalLight,DirectionalLightHelper,DiscreteInterpolant,DodecahedronGeometry,DynamicCopyUsage,DynamicDrawUsage,DynamicReadUsage,EdgesGeometry,EllipseCurve,EqualStencilFunc,Euler,ExtrudeGeometry,FileLoader,Float16BufferAttribute,Fog,FogExp2,FramebufferTexture,FrustumArray,GLBufferAttribute,GLSL1,GreaterEqualStencilFunc,GreaterStencilFunc,GridHelper,Group,HTMLTexture,HemisphereLight,HemisphereLightHelper,IcosahedronGeometry,ImageBitmapLoader,ImageLoader,ImageUtils,IncrementStencilOp,IncrementWrapStencilOp,InstancedBufferAttribute,InstancedBufferGeometry,InstancedInterleavedBuffer,InstancedMesh,Int16BufferAttribute,Int32BufferAttribute,Int8BufferAttribute,InterleavedBuffer,InterleavedBufferAttribute,Interpolant,InterpolateBezier,InterpolateDiscrete,InterpolateLinear,InterpolateSmooth,InterpolationSamplingMode,InterpolationSamplingType,InvertStencilOp,KeepStencilOp,KeyframeTrack,LOD,LatheGeometry,LessEqualStencilFunc,LessStencilFunc,Light,LightProbe,Line,Line3,LineBasicMaterial,LineCurve,LineCurve3,LineDashedMaterial,LineLoop,LineSegments,LinearInterpolant,LinearMipMapLinearFilter,LinearMipMapNearestFilter,Loader,LoaderUtils,LoadingManager,LoopOnce,LoopPingPong,LoopRepeat,MOUSE,Material,MaterialBlending,MaterialLoader,MathUtils,Matrix2,MeshLambertMaterial,MeshMatcapMaterial,MeshNormalMaterial,MeshPhongMaterial,MeshPhysicalMaterial,MeshStandardMaterial,MeshToonMaterial,NearestMipMapLinearFilter,NearestMipMapNearestFilter,NeverStencilFunc,NoNormalPacking,NormalAnimationBlendMode,NormalGAPacking,NormalRGPacking,NotEqualStencilFunc,NumberKeyframeTrack,Object3D,ObjectLoader,OctahedronGeometry,Path,PlaneHelper,PointLight,PointLightHelper,Points,PointsMaterial,PolarGridHelper,PolyhedronGeometry,PositionalAudio,PropertyBinding,PropertyMixer,QuadraticBezierCurve,QuadraticBezierCurve3,Quaternion,QuaternionKeyframeTrack,QuaternionLinearInterpolant,RGBADepthPacking,RGBDepthPacking,RGBIntegerFormat,RGDepthPacking,Ray,Raycaster,RectAreaLight,RenderTarget,RenderTarget3D,ReplaceStencilOp,RingGeometry,Scene,ShadowMaterial,Shape,ShapeGeometry,ShapePath,ShapeUtils,Skeleton,SkeletonHelper,SkinnedMesh,Source,Sphere,SphereGeometry,Spherical,SphericalHarmonics3,SplineCurve,SpotLight,SpotLightHelper,Sprite,SpriteMaterial,StaticCopyUsage,StaticDrawUsage,StaticReadUsage,StereoCamera,StreamCopyUsage,StreamDrawUsage,StreamReadUsage,StringKeyframeTrack,TOUCH,TetrahedronGeometry,TextureLoader,TextureUtils,Timer,TimestampQuery,TorusGeometry,TorusKnotGeometry,Triangle,TriangleFanDrawMode,TriangleStripDrawMode,TrianglesDrawMode,TubeGeometry,UVMapping,Uint8BufferAttribute,Uint8ClampedBufferAttribute,Uniform,UniformsGroup,VectorKeyframeTrack,VideoFrameTexture,VideoTexture,WebGL3DRenderTarget,WebGLArrayRenderTarget,WebGPUCoordinateSystem,WireframeGeometry,WrapAroundEnding,ZeroCurvatureEnding,ZeroSlopeEnding,ZeroStencilOp,getConsoleFunction,setConsoleFunction}from"./three.core.min.js";function On(){let e=null,t=!1,n=null,i=null;function r(t,a){n(t,a),i=e.requestAnimationFrame(r)}return{start:function(){!0!==t&&null!==n&&null!==e&&(i=e.requestAnimationFrame(r),t=!0)},stop:function(){null!==e&&e.cancelAnimationFrame(i),t=!1},setAnimationLoop:function(e){n=e},setContext:function(t){e=t}}}function Fn(e){const t=new WeakMap;return{get:function(e){return e.isInterleavedBufferAttribute&&(e=e.data),t.get(e)},remove:function(n){n.isInterleavedBufferAttribute&&(n=n.data);const i=t.get(n);i&&(e.deleteBuffer(i.buffer),t.delete(n))},update:function(n,i){if(n.isInterleavedBufferAttribute&&(n=n.data),n.isGLBufferAttribute){const e=t.get(n);return void((!e||e.versione.start-t.start);let t=0;for(let e=1;e 0\n\tvec4 plane;\n\t#ifdef ALPHA_TO_COVERAGE\n\t\tfloat distanceToPlane, distanceGradient;\n\t\tfloat clipOpacity = 1.0;\n\t\t#pragma unroll_loop_start\n\t\tfor ( int i = 0; i < UNION_CLIPPING_PLANES; i ++ ) {\n\t\t\tplane = clippingPlanes[ i ];\n\t\t\tdistanceToPlane = - dot( vClipPosition, plane.xyz ) + plane.w;\n\t\t\tdistanceGradient = fwidth( distanceToPlane ) / 2.0;\n\t\t\tclipOpacity *= smoothstep( - distanceGradient, distanceGradient, distanceToPlane );\n\t\t\tif ( clipOpacity == 0.0 ) discard;\n\t\t}\n\t\t#pragma unroll_loop_end\n\t\t#if UNION_CLIPPING_PLANES < NUM_CLIPPING_PLANES\n\t\t\tfloat unionClipOpacity = 1.0;\n\t\t\t#pragma unroll_loop_start\n\t\t\tfor ( int i = UNION_CLIPPING_PLANES; i < NUM_CLIPPING_PLANES; i ++ ) {\n\t\t\t\tplane = clippingPlanes[ i ];\n\t\t\t\tdistanceToPlane = - dot( vClipPosition, plane.xyz ) + plane.w;\n\t\t\t\tdistanceGradient = fwidth( distanceToPlane ) / 2.0;\n\t\t\t\tunionClipOpacity *= 1.0 - smoothstep( - distanceGradient, distanceGradient, distanceToPlane );\n\t\t\t}\n\t\t\t#pragma unroll_loop_end\n\t\t\tclipOpacity *= 1.0 - unionClipOpacity;\n\t\t#endif\n\t\tdiffuseColor.a *= clipOpacity;\n\t\tif ( diffuseColor.a == 0.0 ) discard;\n\t#else\n\t\t#pragma unroll_loop_start\n\t\tfor ( int i = 0; i < UNION_CLIPPING_PLANES; i ++ ) {\n\t\t\tplane = clippingPlanes[ i ];\n\t\t\tif ( dot( vClipPosition, plane.xyz ) > plane.w ) discard;\n\t\t}\n\t\t#pragma unroll_loop_end\n\t\t#if UNION_CLIPPING_PLANES < NUM_CLIPPING_PLANES\n\t\t\tbool clipped = true;\n\t\t\t#pragma unroll_loop_start\n\t\t\tfor ( int i = UNION_CLIPPING_PLANES; i < NUM_CLIPPING_PLANES; i ++ ) {\n\t\t\t\tplane = clippingPlanes[ i ];\n\t\t\t\tclipped = ( dot( vClipPosition, plane.xyz ) > plane.w ) && clipped;\n\t\t\t}\n\t\t\t#pragma unroll_loop_end\n\t\t\tif ( clipped ) discard;\n\t\t#endif\n\t#endif\n#endif",clipping_planes_pars_fragment:"#if NUM_CLIPPING_PLANES > 0\n\tvarying vec3 vClipPosition;\n\tuniform vec4 clippingPlanes[ NUM_CLIPPING_PLANES ];\n#endif",clipping_planes_pars_vertex:"#if NUM_CLIPPING_PLANES > 0\n\tvarying vec3 vClipPosition;\n#endif",clipping_planes_vertex:"#if NUM_CLIPPING_PLANES > 0\n\tvClipPosition = - mvPosition.xyz;\n#endif",color_fragment:"#if defined( USE_COLOR ) || defined( USE_COLOR_ALPHA )\n\tdiffuseColor *= vColor;\n#endif",color_pars_fragment:"#if defined( USE_COLOR ) || defined( USE_COLOR_ALPHA )\n\tvarying vec4 vColor;\n#endif",color_pars_vertex:"#if defined( USE_COLOR ) || defined( USE_COLOR_ALPHA ) || defined( USE_INSTANCING_COLOR ) || defined( USE_BATCHING_COLOR )\n\tvarying vec4 vColor;\n#endif",color_vertex:"#if defined( USE_COLOR ) || defined( USE_COLOR_ALPHA ) || defined( USE_INSTANCING_COLOR ) || defined( USE_BATCHING_COLOR )\n\tvColor = vec4( 1.0 );\n#endif\n#ifdef USE_COLOR_ALPHA\n\tvColor *= color;\n#elif defined( USE_COLOR )\n\tvColor.rgb *= color;\n#endif\n#ifdef USE_INSTANCING_COLOR\n\tvColor.rgb *= instanceColor.rgb;\n#endif\n#ifdef USE_BATCHING_COLOR\n\tvColor *= getBatchingColor( getIndirectIndex( gl_DrawID ) );\n#endif",common:"#define PI 3.141592653589793\n#define PI2 6.283185307179586\n#define PI_HALF 1.5707963267948966\n#define RECIPROCAL_PI 0.3183098861837907\n#define RECIPROCAL_PI2 0.15915494309189535\n#define EPSILON 1e-6\n#ifndef saturate\n#define saturate( a ) clamp( a, 0.0, 1.0 )\n#endif\n#define whiteComplement( a ) ( 1.0 - saturate( a ) )\nfloat pow2( const in float x ) { return x*x; }\nvec3 pow2( const in vec3 x ) { return x*x; }\nfloat pow3( const in float x ) { return x*x*x; }\nfloat pow4( const in float x ) { float x2 = x*x; return x2*x2; }\nfloat max3( const in vec3 v ) { return max( max( v.x, v.y ), v.z ); }\nfloat average( const in vec3 v ) { return dot( v, vec3( 0.3333333 ) ); }\nhighp float rand( const in vec2 uv ) {\n\tconst highp float a = 12.9898, b = 78.233, c = 43758.5453;\n\thighp float dt = dot( uv.xy, vec2( a,b ) ), sn = mod( dt, PI );\n\treturn fract( sin( sn ) * c );\n}\n#ifdef HIGH_PRECISION\n\tfloat precisionSafeLength( vec3 v ) { return length( v ); }\n#else\n\tfloat precisionSafeLength( vec3 v ) {\n\t\tfloat maxComponent = max3( abs( v ) );\n\t\treturn length( v / maxComponent ) * maxComponent;\n\t}\n#endif\nstruct IncidentLight {\n\tvec3 color;\n\tvec3 direction;\n\tbool visible;\n};\nstruct ReflectedLight {\n\tvec3 directDiffuse;\n\tvec3 directSpecular;\n\tvec3 indirectDiffuse;\n\tvec3 indirectSpecular;\n};\n#ifdef USE_ALPHAHASH\n\tvarying vec3 vPosition;\n#endif\nvec3 transformDirection( in vec3 dir, in mat4 matrix ) {\n\treturn normalize( ( matrix * vec4( dir, 0.0 ) ).xyz );\n}\n#define inverseTransformDirection transformDirectionByInverseViewMatrix\nvec3 transformNormalByInverseViewMatrix( in vec3 normal, in mat4 viewMatrix ) {\n\treturn normalize( ( vec4( normal, 0.0 ) * viewMatrix ).xyz );\n}\nvec3 transformDirectionByInverseViewMatrix( in vec3 dir, in mat4 viewMatrix ) {\n\treturn normalize( ( vec4( dir, 0.0 ) * viewMatrix ).xyz );\n}\nbool isPerspectiveMatrix( mat4 m ) {\n\treturn m[ 2 ][ 3 ] == - 1.0;\n}\nvec2 equirectUv( in vec3 dir ) {\n\tfloat u = atan( dir.z, dir.x ) * RECIPROCAL_PI2 + 0.5;\n\tfloat v = asin( clamp( dir.y, - 1.0, 1.0 ) ) * RECIPROCAL_PI + 0.5;\n\treturn vec2( u, v );\n}\nvec3 BRDF_Lambert( const in vec3 diffuseColor ) {\n\treturn RECIPROCAL_PI * diffuseColor;\n}\nvec3 F_Schlick( const in vec3 f0, const in float f90, const in float dotVH ) {\n\tfloat fresnel = exp2( ( - 5.55473 * dotVH - 6.98316 ) * dotVH );\n\treturn f0 * ( 1.0 - fresnel ) + ( f90 * fresnel );\n}\nfloat F_Schlick( const in float f0, const in float f90, const in float dotVH ) {\n\tfloat fresnel = exp2( ( - 5.55473 * dotVH - 6.98316 ) * dotVH );\n\treturn f0 * ( 1.0 - fresnel ) + ( f90 * fresnel );\n} // validated",cube_uv_reflection_fragment:"#ifdef ENVMAP_TYPE_CUBE_UV\n\t#define cubeUV_minMipLevel 4.0\n\t#define cubeUV_minTileSize 16.0\n\tfloat getFace( vec3 direction ) {\n\t\tvec3 absDirection = abs( direction );\n\t\tfloat face = - 1.0;\n\t\tif ( absDirection.x > absDirection.z ) {\n\t\t\tif ( absDirection.x > absDirection.y )\n\t\t\t\tface = direction.x > 0.0 ? 0.0 : 3.0;\n\t\t\telse\n\t\t\t\tface = direction.y > 0.0 ? 1.0 : 4.0;\n\t\t} else {\n\t\t\tif ( absDirection.z > absDirection.y )\n\t\t\t\tface = direction.z > 0.0 ? 2.0 : 5.0;\n\t\t\telse\n\t\t\t\tface = direction.y > 0.0 ? 1.0 : 4.0;\n\t\t}\n\t\treturn face;\n\t}\n\tvec2 getUV( vec3 direction, float face ) {\n\t\tvec2 uv;\n\t\tif ( face == 0.0 ) {\n\t\t\tuv = vec2( direction.z, direction.y ) / abs( direction.x );\n\t\t} else if ( face == 1.0 ) {\n\t\t\tuv = vec2( - direction.x, - direction.z ) / abs( direction.y );\n\t\t} else if ( face == 2.0 ) {\n\t\t\tuv = vec2( - direction.x, direction.y ) / abs( direction.z );\n\t\t} else if ( face == 3.0 ) {\n\t\t\tuv = vec2( - direction.z, direction.y ) / abs( direction.x );\n\t\t} else if ( face == 4.0 ) {\n\t\t\tuv = vec2( - direction.x, direction.z ) / abs( direction.y );\n\t\t} else {\n\t\t\tuv = vec2( direction.x, direction.y ) / abs( direction.z );\n\t\t}\n\t\treturn 0.5 * ( uv + 1.0 );\n\t}\n\tvec3 bilinearCubeUV( sampler2D envMap, vec3 direction, float mipInt ) {\n\t\tfloat face = getFace( direction );\n\t\tfloat filterInt = max( cubeUV_minMipLevel - mipInt, 0.0 );\n\t\tmipInt = max( mipInt, cubeUV_minMipLevel );\n\t\tfloat faceSize = exp2( mipInt );\n\t\thighp vec2 uv = getUV( direction, face ) * ( faceSize - 2.0 ) + 1.0;\n\t\tif ( face > 2.0 ) {\n\t\t\tuv.y += faceSize;\n\t\t\tface -= 3.0;\n\t\t}\n\t\tuv.x += face * faceSize;\n\t\tuv.x += filterInt * 3.0 * cubeUV_minTileSize;\n\t\tuv.y += 4.0 * ( exp2( CUBEUV_MAX_MIP ) - faceSize );\n\t\tuv.x *= CUBEUV_TEXEL_WIDTH;\n\t\tuv.y *= CUBEUV_TEXEL_HEIGHT;\n\t\t#ifdef texture2DGradEXT\n\t\t\treturn texture2DGradEXT( envMap, uv, vec2( 0.0 ), vec2( 0.0 ) ).rgb;\n\t\t#else\n\t\t\treturn texture2D( envMap, uv ).rgb;\n\t\t#endif\n\t}\n\t#define cubeUV_r0 1.0\n\t#define cubeUV_m0 - 2.0\n\t#define cubeUV_r1 0.8\n\t#define cubeUV_m1 - 1.0\n\t#define cubeUV_r4 0.4\n\t#define cubeUV_m4 2.0\n\t#define cubeUV_r5 0.305\n\t#define cubeUV_m5 3.0\n\t#define cubeUV_r6 0.21\n\t#define cubeUV_m6 4.0\n\tfloat roughnessToMip( float roughness ) {\n\t\tfloat mip = 0.0;\n\t\tif ( roughness >= cubeUV_r1 ) {\n\t\t\tmip = ( cubeUV_r0 - roughness ) * ( cubeUV_m1 - cubeUV_m0 ) / ( cubeUV_r0 - cubeUV_r1 ) + cubeUV_m0;\n\t\t} else if ( roughness >= cubeUV_r4 ) {\n\t\t\tmip = ( cubeUV_r1 - roughness ) * ( cubeUV_m4 - cubeUV_m1 ) / ( cubeUV_r1 - cubeUV_r4 ) + cubeUV_m1;\n\t\t} else if ( roughness >= cubeUV_r5 ) {\n\t\t\tmip = ( cubeUV_r4 - roughness ) * ( cubeUV_m5 - cubeUV_m4 ) / ( cubeUV_r4 - cubeUV_r5 ) + cubeUV_m4;\n\t\t} else if ( roughness >= cubeUV_r6 ) {\n\t\t\tmip = ( cubeUV_r5 - roughness ) * ( cubeUV_m6 - cubeUV_m5 ) / ( cubeUV_r5 - cubeUV_r6 ) + cubeUV_m5;\n\t\t} else {\n\t\t\tmip = - 2.0 * log2( 1.16 * roughness );\t\t}\n\t\treturn mip;\n\t}\n\tvec4 textureCubeUV( sampler2D envMap, vec3 sampleDir, float roughness ) {\n\t\tfloat mip = clamp( roughnessToMip( roughness ), cubeUV_m0, CUBEUV_MAX_MIP );\n\t\tfloat mipF = fract( mip );\n\t\tfloat mipInt = floor( mip );\n\t\tvec3 color0 = bilinearCubeUV( envMap, sampleDir, mipInt );\n\t\tif ( mipF == 0.0 ) {\n\t\t\treturn vec4( color0, 1.0 );\n\t\t} else {\n\t\t\tvec3 color1 = bilinearCubeUV( envMap, sampleDir, mipInt + 1.0 );\n\t\t\treturn vec4( mix( color0, color1, mipF ), 1.0 );\n\t\t}\n\t}\n#endif",defaultnormal_vertex:"vec3 transformedNormal = objectNormal;\n#ifdef USE_TANGENT\n\tvec3 transformedTangent = objectTangent;\n#endif\n#ifdef USE_BATCHING\n\tmat3 bm = mat3( batchingMatrix );\n\ttransformedNormal /= vec3( dot( bm[ 0 ], bm[ 0 ] ), dot( bm[ 1 ], bm[ 1 ] ), dot( bm[ 2 ], bm[ 2 ] ) );\n\ttransformedNormal = bm * transformedNormal;\n\t#ifdef USE_TANGENT\n\t\ttransformedTangent = bm * transformedTangent;\n\t#endif\n#endif\n#ifdef USE_INSTANCING\n\tmat3 im = mat3( instanceMatrix );\n\ttransformedNormal /= vec3( dot( im[ 0 ], im[ 0 ] ), dot( im[ 1 ], im[ 1 ] ), dot( im[ 2 ], im[ 2 ] ) );\n\ttransformedNormal = im * transformedNormal;\n\t#ifdef USE_TANGENT\n\t\ttransformedTangent = im * transformedTangent;\n\t#endif\n#endif\ntransformedNormal = normalMatrix * transformedNormal;\n#ifdef FLIP_SIDED\n\ttransformedNormal = - transformedNormal;\n#endif\n#ifdef USE_TANGENT\n\ttransformedTangent = ( modelViewMatrix * vec4( transformedTangent, 0.0 ) ).xyz;\n#endif",displacementmap_pars_vertex:"#ifdef USE_DISPLACEMENTMAP\n\tuniform sampler2D displacementMap;\n\tuniform float displacementScale;\n\tuniform float displacementBias;\n#endif",displacementmap_vertex:"#ifdef USE_DISPLACEMENTMAP\n\ttransformed += normalize( objectNormal ) * ( texture2D( displacementMap, vDisplacementMapUv ).x * displacementScale + displacementBias );\n#endif",emissivemap_fragment:"#ifdef USE_EMISSIVEMAP\n\tvec4 emissiveColor = texture2D( emissiveMap, vEmissiveMapUv );\n\t#ifdef DECODE_VIDEO_TEXTURE_EMISSIVE\n\t\temissiveColor = sRGBTransferEOTF( emissiveColor );\n\t#endif\n\ttotalEmissiveRadiance *= emissiveColor.rgb;\n#endif",emissivemap_pars_fragment:"#ifdef USE_EMISSIVEMAP\n\tuniform sampler2D emissiveMap;\n#endif",colorspace_fragment:"gl_FragColor = linearToOutputTexel( gl_FragColor );",colorspace_pars_fragment:"vec4 LinearTransferOETF( in vec4 value ) {\n\treturn value;\n}\nvec4 sRGBTransferEOTF( in vec4 value ) {\n\treturn vec4( mix( pow( value.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), value.rgb * 0.0773993808, vec3( lessThanEqual( value.rgb, vec3( 0.04045 ) ) ) ), value.a );\n}\nvec4 sRGBTransferOETF( in vec4 value ) {\n\treturn vec4( mix( pow( value.rgb, vec3( 0.41666 ) ) * 1.055 - vec3( 0.055 ), value.rgb * 12.92, vec3( lessThanEqual( value.rgb, vec3( 0.0031308 ) ) ) ), value.a );\n}",envmap_fragment:"#ifdef USE_ENVMAP\n\t#ifdef ENV_WORLDPOS\n\t\tvec3 cameraToFrag;\n\t\tif ( isOrthographic ) {\n\t\t\tcameraToFrag = normalize( vec3( - viewMatrix[ 0 ][ 2 ], - viewMatrix[ 1 ][ 2 ], - viewMatrix[ 2 ][ 2 ] ) );\n\t\t} else {\n\t\t\tcameraToFrag = normalize( vWorldPosition - cameraPosition );\n\t\t}\n\t\tvec3 worldNormal = transformNormalByInverseViewMatrix( normal, viewMatrix );\n\t\t#ifdef ENVMAP_MODE_REFLECTION\n\t\t\tvec3 reflectVec = reflect( cameraToFrag, worldNormal );\n\t\t#else\n\t\t\tvec3 reflectVec = refract( cameraToFrag, worldNormal, refractionRatio );\n\t\t#endif\n\t#else\n\t\tvec3 reflectVec = vReflect;\n\t#endif\n\t#ifdef ENVMAP_TYPE_CUBE\n\t\tvec4 envColor = textureCube( envMap, envMapRotation * reflectVec );\n\t\t#ifdef ENVMAP_BLENDING_MULTIPLY\n\t\t\toutgoingLight = mix( outgoingLight, outgoingLight * envColor.xyz, specularStrength * reflectivity );\n\t\t#elif defined( ENVMAP_BLENDING_MIX )\n\t\t\toutgoingLight = mix( outgoingLight, envColor.xyz, specularStrength * reflectivity );\n\t\t#elif defined( ENVMAP_BLENDING_ADD )\n\t\t\toutgoingLight += envColor.xyz * specularStrength * reflectivity;\n\t\t#endif\n\t#endif\n#endif",envmap_common_pars_fragment:"#ifdef USE_ENVMAP\n\tuniform float envMapIntensity;\n\tuniform mat3 envMapRotation;\n\t#ifdef ENVMAP_TYPE_CUBE\n\t\tuniform samplerCube envMap;\n\t#else\n\t\tuniform sampler2D envMap;\n\t#endif\n#endif",envmap_pars_fragment:"#ifdef USE_ENVMAP\n\tuniform float reflectivity;\n\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG ) || defined( LAMBERT )\n\t\t#define ENV_WORLDPOS\n\t#endif\n\t#ifdef ENV_WORLDPOS\n\t\tvarying vec3 vWorldPosition;\n\t\tuniform float refractionRatio;\n\t#else\n\t\tvarying vec3 vReflect;\n\t#endif\n#endif",envmap_pars_vertex:"#ifdef USE_ENVMAP\n\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG ) || defined( LAMBERT )\n\t\t#define ENV_WORLDPOS\n\t#endif\n\t#ifdef ENV_WORLDPOS\n\t\t\n\t\tvarying vec3 vWorldPosition;\n\t#else\n\t\tvarying vec3 vReflect;\n\t\tuniform float refractionRatio;\n\t#endif\n#endif",envmap_physical_pars_fragment:"#ifdef USE_ENVMAP\n\tvec3 getIBLIrradiance( const in vec3 normal ) {\n\t\t#ifdef ENVMAP_TYPE_CUBE_UV\n\t\t\tvec3 worldNormal = transformNormalByInverseViewMatrix( normal, viewMatrix );\n\t\t\tvec4 envMapColor = textureCubeUV( envMap, envMapRotation * worldNormal, 1.0 );\n\t\t\treturn PI * envMapColor.rgb * envMapIntensity;\n\t\t#else\n\t\t\treturn vec3( 0.0 );\n\t\t#endif\n\t}\n\tvec3 getIBLRadiance( const in vec3 viewDir, const in vec3 normal, const in float roughness ) {\n\t\t#ifdef ENVMAP_TYPE_CUBE_UV\n\t\t\tvec3 reflectVec = reflect( - viewDir, normal );\n\t\t\treflectVec = normalize( mix( reflectVec, normal, pow4( roughness ) ) );\n\t\t\treflectVec = transformDirectionByInverseViewMatrix( reflectVec, viewMatrix );\n\t\t\tvec4 envMapColor = textureCubeUV( envMap, envMapRotation * reflectVec, roughness );\n\t\t\treturn envMapColor.rgb * envMapIntensity;\n\t\t#else\n\t\t\treturn vec3( 0.0 );\n\t\t#endif\n\t}\n\t#ifdef USE_ANISOTROPY\n\t\tvec3 getIBLAnisotropyRadiance( const in vec3 viewDir, const in vec3 normal, const in float roughness, const in vec3 bitangent, const in float anisotropy ) {\n\t\t\t#ifdef ENVMAP_TYPE_CUBE_UV\n\t\t\t\tvec3 bentNormal = cross( bitangent, viewDir );\n\t\t\t\tbentNormal = normalize( cross( bentNormal, bitangent ) );\n\t\t\t\tbentNormal = normalize( mix( bentNormal, normal, pow2( pow2( 1.0 - anisotropy * ( 1.0 - roughness ) ) ) ) );\n\t\t\t\treturn getIBLRadiance( viewDir, bentNormal, roughness );\n\t\t\t#else\n\t\t\t\treturn vec3( 0.0 );\n\t\t\t#endif\n\t\t}\n\t#endif\n#endif",envmap_vertex:"#ifdef USE_ENVMAP\n\t#ifdef ENV_WORLDPOS\n\t\tvWorldPosition = worldPosition.xyz;\n\t#else\n\t\tvec3 cameraToVertex;\n\t\tif ( isOrthographic ) {\n\t\t\tcameraToVertex = normalize( vec3( - viewMatrix[ 0 ][ 2 ], - viewMatrix[ 1 ][ 2 ], - viewMatrix[ 2 ][ 2 ] ) );\n\t\t} else {\n\t\t\tcameraToVertex = normalize( worldPosition.xyz - cameraPosition );\n\t\t}\n\t\tvec3 worldNormal = transformNormalByInverseViewMatrix( transformedNormal, viewMatrix );\n\t\t#ifdef ENVMAP_MODE_REFLECTION\n\t\t\tvReflect = reflect( cameraToVertex, worldNormal );\n\t\t#else\n\t\t\tvReflect = refract( cameraToVertex, worldNormal, refractionRatio );\n\t\t#endif\n\t#endif\n#endif",fog_vertex:"#ifdef USE_FOG\n\tvFogDepth = - mvPosition.z;\n#endif",fog_pars_vertex:"#ifdef USE_FOG\n\tvarying float vFogDepth;\n#endif",fog_fragment:"#ifdef USE_FOG\n\t#ifdef FOG_EXP2\n\t\tfloat fogFactor = 1.0 - exp( - fogDensity * fogDensity * vFogDepth * vFogDepth );\n\t#else\n\t\tfloat fogFactor = smoothstep( fogNear, fogFar, vFogDepth );\n\t#endif\n\tgl_FragColor.rgb = mix( gl_FragColor.rgb, fogColor, fogFactor );\n#endif",fog_pars_fragment:"#ifdef USE_FOG\n\tuniform vec3 fogColor;\n\tvarying float vFogDepth;\n\t#ifdef FOG_EXP2\n\t\tuniform float fogDensity;\n\t#else\n\t\tuniform float fogNear;\n\t\tuniform float fogFar;\n\t#endif\n#endif",gradientmap_pars_fragment:"#ifdef USE_GRADIENTMAP\n\tuniform sampler2D gradientMap;\n#endif\nvec3 getGradientIrradiance( vec3 normal, vec3 lightDirection ) {\n\tfloat dotNL = dot( normal, lightDirection );\n\tvec2 coord = vec2( dotNL * 0.5 + 0.5, 0.0 );\n\t#ifdef USE_GRADIENTMAP\n\t\treturn vec3( texture2D( gradientMap, coord ).r );\n\t#else\n\t\tvec2 fw = fwidth( coord ) * 0.5;\n\t\treturn mix( vec3( 0.7 ), vec3( 1.0 ), smoothstep( 0.7 - fw.x, 0.7 + fw.x, coord.x ) );\n\t#endif\n}",lightmap_pars_fragment:"#ifdef USE_LIGHTMAP\n\tuniform sampler2D lightMap;\n\tuniform float lightMapIntensity;\n#endif",lights_lambert_fragment:"LambertMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb;\nmaterial.specularStrength = specularStrength;",lights_lambert_pars_fragment:"varying vec3 vViewPosition;\nstruct LambertMaterial {\n\tvec3 diffuseColor;\n\tfloat specularStrength;\n};\nvoid RE_Direct_Lambert( const in IncidentLight directLight, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in LambertMaterial material, inout ReflectedLight reflectedLight ) {\n\tfloat dotNL = saturate( dot( geometryNormal, directLight.direction ) );\n\tvec3 irradiance = dotNL * directLight.color;\n\treflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\nvoid RE_IndirectDiffuse_Lambert( const in vec3 irradiance, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in LambertMaterial material, inout ReflectedLight reflectedLight ) {\n\treflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\n#define RE_Direct\t\t\t\tRE_Direct_Lambert\n#define RE_IndirectDiffuse\t\tRE_IndirectDiffuse_Lambert",lights_pars_begin:"uniform bool receiveShadow;\nuniform vec3 ambientLightColor;\n#if defined( USE_LIGHT_PROBES )\n\tuniform vec3 lightProbe[ 9 ];\n#endif\nvec3 shGetIrradianceAt( in vec3 normal, in vec3 shCoefficients[ 9 ] ) {\n\tfloat x = normal.x, y = normal.y, z = normal.z;\n\tvec3 result = shCoefficients[ 0 ] * 0.886227;\n\tresult += shCoefficients[ 1 ] * 2.0 * 0.511664 * y;\n\tresult += shCoefficients[ 2 ] * 2.0 * 0.511664 * z;\n\tresult += shCoefficients[ 3 ] * 2.0 * 0.511664 * x;\n\tresult += shCoefficients[ 4 ] * 2.0 * 0.429043 * x * y;\n\tresult += shCoefficients[ 5 ] * 2.0 * 0.429043 * y * z;\n\tresult += shCoefficients[ 6 ] * ( 0.743125 * z * z - 0.247708 );\n\tresult += shCoefficients[ 7 ] * 2.0 * 0.429043 * x * z;\n\tresult += shCoefficients[ 8 ] * 0.429043 * ( x * x - y * y );\n\treturn result;\n}\nvec3 getLightProbeIrradiance( const in vec3 lightProbe[ 9 ], const in vec3 normal ) {\n\tvec3 worldNormal = transformNormalByInverseViewMatrix( normal, viewMatrix );\n\tvec3 irradiance = shGetIrradianceAt( worldNormal, lightProbe );\n\treturn irradiance;\n}\nvec3 getAmbientLightIrradiance( const in vec3 ambientLightColor ) {\n\tvec3 irradiance = ambientLightColor;\n\treturn irradiance;\n}\nfloat getDistanceAttenuation( const in float lightDistance, const in float cutoffDistance, const in float decayExponent ) {\n\tfloat distanceFalloff = 1.0 / max( pow( lightDistance, decayExponent ), 0.01 );\n\tif ( cutoffDistance > 0.0 ) {\n\t\tdistanceFalloff *= pow2( saturate( 1.0 - pow4( lightDistance / cutoffDistance ) ) );\n\t}\n\treturn distanceFalloff;\n}\nfloat getSpotAttenuation( const in float coneCosine, const in float penumbraCosine, const in float angleCosine ) {\n\treturn smoothstep( coneCosine, penumbraCosine, angleCosine );\n}\n#if NUM_DIR_LIGHTS > 0\n\tstruct DirectionalLight {\n\t\tvec3 direction;\n\t\tvec3 color;\n\t};\n\tuniform DirectionalLight directionalLights[ NUM_DIR_LIGHTS ];\n\tvoid getDirectionalLightInfo( const in DirectionalLight directionalLight, out IncidentLight light ) {\n\t\tlight.color = directionalLight.color;\n\t\tlight.direction = directionalLight.direction;\n\t\tlight.visible = true;\n\t}\n#endif\n#if NUM_POINT_LIGHTS > 0\n\tstruct PointLight {\n\t\tvec3 position;\n\t\tvec3 color;\n\t\tfloat distance;\n\t\tfloat decay;\n\t};\n\tuniform PointLight pointLights[ NUM_POINT_LIGHTS ];\n\tvoid getPointLightInfo( const in PointLight pointLight, const in vec3 geometryPosition, out IncidentLight light ) {\n\t\tvec3 lVector = pointLight.position - geometryPosition;\n\t\tlight.direction = normalize( lVector );\n\t\tfloat lightDistance = length( lVector );\n\t\tlight.color = pointLight.color;\n\t\tlight.color *= getDistanceAttenuation( lightDistance, pointLight.distance, pointLight.decay );\n\t\tlight.visible = ( light.color != vec3( 0.0 ) );\n\t}\n#endif\n#if NUM_SPOT_LIGHTS > 0\n\tstruct SpotLight {\n\t\tvec3 position;\n\t\tvec3 direction;\n\t\tvec3 color;\n\t\tfloat distance;\n\t\tfloat decay;\n\t\tfloat coneCos;\n\t\tfloat penumbraCos;\n\t};\n\tuniform SpotLight spotLights[ NUM_SPOT_LIGHTS ];\n\tvoid getSpotLightInfo( const in SpotLight spotLight, const in vec3 geometryPosition, out IncidentLight light ) {\n\t\tvec3 lVector = spotLight.position - geometryPosition;\n\t\tlight.direction = normalize( lVector );\n\t\tfloat angleCos = dot( light.direction, spotLight.direction );\n\t\tfloat spotAttenuation = getSpotAttenuation( spotLight.coneCos, spotLight.penumbraCos, angleCos );\n\t\tif ( spotAttenuation > 0.0 ) {\n\t\t\tfloat lightDistance = length( lVector );\n\t\t\tlight.color = spotLight.color * spotAttenuation;\n\t\t\tlight.color *= getDistanceAttenuation( lightDistance, spotLight.distance, spotLight.decay );\n\t\t\tlight.visible = ( light.color != vec3( 0.0 ) );\n\t\t} else {\n\t\t\tlight.color = vec3( 0.0 );\n\t\t\tlight.visible = false;\n\t\t}\n\t}\n#endif\n#if NUM_RECT_AREA_LIGHTS > 0\n\tstruct RectAreaLight {\n\t\tvec3 color;\n\t\tvec3 position;\n\t\tvec3 halfWidth;\n\t\tvec3 halfHeight;\n\t};\n\tuniform sampler2D ltc_1;\tuniform sampler2D ltc_2;\n\tuniform RectAreaLight rectAreaLights[ NUM_RECT_AREA_LIGHTS ];\n#endif\n#if NUM_HEMI_LIGHTS > 0\n\tstruct HemisphereLight {\n\t\tvec3 direction;\n\t\tvec3 skyColor;\n\t\tvec3 groundColor;\n\t};\n\tuniform HemisphereLight hemisphereLights[ NUM_HEMI_LIGHTS ];\n\tvec3 getHemisphereLightIrradiance( const in HemisphereLight hemiLight, const in vec3 normal ) {\n\t\tfloat dotNL = dot( normal, hemiLight.direction );\n\t\tfloat hemiDiffuseWeight = 0.5 * dotNL + 0.5;\n\t\tvec3 irradiance = mix( hemiLight.groundColor, hemiLight.skyColor, hemiDiffuseWeight );\n\t\treturn irradiance;\n\t}\n#endif\n#include ",lights_toon_fragment:"ToonMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb;",lights_toon_pars_fragment:"varying vec3 vViewPosition;\nstruct ToonMaterial {\n\tvec3 diffuseColor;\n};\nvoid RE_Direct_Toon( const in IncidentLight directLight, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in ToonMaterial material, inout ReflectedLight reflectedLight ) {\n\tvec3 irradiance = getGradientIrradiance( geometryNormal, directLight.direction ) * directLight.color;\n\treflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\nvoid RE_IndirectDiffuse_Toon( const in vec3 irradiance, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in ToonMaterial material, inout ReflectedLight reflectedLight ) {\n\treflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\n#define RE_Direct\t\t\t\tRE_Direct_Toon\n#define RE_IndirectDiffuse\t\tRE_IndirectDiffuse_Toon",lights_phong_fragment:"BlinnPhongMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb;\nmaterial.specularColor = specular;\nmaterial.specularShininess = shininess;\nmaterial.specularStrength = specularStrength;",lights_phong_pars_fragment:"varying vec3 vViewPosition;\nstruct BlinnPhongMaterial {\n\tvec3 diffuseColor;\n\tvec3 specularColor;\n\tfloat specularShininess;\n\tfloat specularStrength;\n};\nvoid RE_Direct_BlinnPhong( const in IncidentLight directLight, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {\n\tfloat dotNL = saturate( dot( geometryNormal, directLight.direction ) );\n\tvec3 irradiance = dotNL * directLight.color;\n\treflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n\treflectedLight.directSpecular += irradiance * BRDF_BlinnPhong( directLight.direction, geometryViewDir, geometryNormal, material.specularColor, material.specularShininess ) * material.specularStrength;\n}\nvoid RE_IndirectDiffuse_BlinnPhong( const in vec3 irradiance, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {\n\treflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\n#define RE_Direct\t\t\t\tRE_Direct_BlinnPhong\n#define RE_IndirectDiffuse\t\tRE_IndirectDiffuse_BlinnPhong",lights_physical_fragment:"PhysicalMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb;\nmaterial.diffuseContribution = diffuseColor.rgb * ( 1.0 - metalnessFactor );\nmaterial.metalness = metalnessFactor;\nvec3 dxy = max( abs( dFdx( nonPerturbedNormal ) ), abs( dFdy( nonPerturbedNormal ) ) );\nfloat geometryRoughness = max( max( dxy.x, dxy.y ), dxy.z );\nmaterial.roughness = max( roughnessFactor, 0.0525 );material.roughness += geometryRoughness;\nmaterial.roughness = min( material.roughness, 1.0 );\n#ifdef IOR\n\tmaterial.ior = ior;\n\t#ifdef USE_SPECULAR\n\t\tfloat specularIntensityFactor = specularIntensity;\n\t\tvec3 specularColorFactor = specularColor;\n\t\t#ifdef USE_SPECULAR_COLORMAP\n\t\t\tspecularColorFactor *= texture2D( specularColorMap, vSpecularColorMapUv ).rgb;\n\t\t#endif\n\t\t#ifdef USE_SPECULAR_INTENSITYMAP\n\t\t\tspecularIntensityFactor *= texture2D( specularIntensityMap, vSpecularIntensityMapUv ).a;\n\t\t#endif\n\t\tmaterial.specularF90 = mix( specularIntensityFactor, 1.0, metalnessFactor );\n\t#else\n\t\tfloat specularIntensityFactor = 1.0;\n\t\tvec3 specularColorFactor = vec3( 1.0 );\n\t\tmaterial.specularF90 = 1.0;\n\t#endif\n\tmaterial.specularColor = min( pow2( ( material.ior - 1.0 ) / ( material.ior + 1.0 ) ) * specularColorFactor, vec3( 1.0 ) ) * specularIntensityFactor;\n\tmaterial.specularColorBlended = mix( material.specularColor, diffuseColor.rgb, metalnessFactor );\n#else\n\tmaterial.specularColor = vec3( 0.04 );\n\tmaterial.specularColorBlended = mix( material.specularColor, diffuseColor.rgb, metalnessFactor );\n\tmaterial.specularF90 = 1.0;\n#endif\n#ifdef USE_CLEARCOAT\n\tmaterial.clearcoat = clearcoat;\n\tmaterial.clearcoatRoughness = clearcoatRoughness;\n\tmaterial.clearcoatF0 = vec3( 0.04 );\n\tmaterial.clearcoatF90 = 1.0;\n\t#ifdef USE_CLEARCOATMAP\n\t\tmaterial.clearcoat *= texture2D( clearcoatMap, vClearcoatMapUv ).x;\n\t#endif\n\t#ifdef USE_CLEARCOAT_ROUGHNESSMAP\n\t\tmaterial.clearcoatRoughness *= texture2D( clearcoatRoughnessMap, vClearcoatRoughnessMapUv ).y;\n\t#endif\n\tmaterial.clearcoat = saturate( material.clearcoat );\tmaterial.clearcoatRoughness = max( material.clearcoatRoughness, 0.0525 );\n\tmaterial.clearcoatRoughness += geometryRoughness;\n\tmaterial.clearcoatRoughness = min( material.clearcoatRoughness, 1.0 );\n#endif\n#ifdef USE_DISPERSION\n\tmaterial.dispersion = dispersion;\n#endif\n#ifdef USE_IRIDESCENCE\n\tmaterial.iridescence = iridescence;\n\tmaterial.iridescenceIOR = iridescenceIOR;\n\t#ifdef USE_IRIDESCENCEMAP\n\t\tmaterial.iridescence *= texture2D( iridescenceMap, vIridescenceMapUv ).r;\n\t#endif\n\t#ifdef USE_IRIDESCENCE_THICKNESSMAP\n\t\tmaterial.iridescenceThickness = (iridescenceThicknessMaximum - iridescenceThicknessMinimum) * texture2D( iridescenceThicknessMap, vIridescenceThicknessMapUv ).g + iridescenceThicknessMinimum;\n\t#else\n\t\tmaterial.iridescenceThickness = iridescenceThicknessMaximum;\n\t#endif\n#endif\n#ifdef USE_SHEEN\n\tmaterial.sheenColor = sheenColor;\n\t#ifdef USE_SHEEN_COLORMAP\n\t\tmaterial.sheenColor *= texture2D( sheenColorMap, vSheenColorMapUv ).rgb;\n\t#endif\n\tmaterial.sheenRoughness = clamp( sheenRoughness, 0.0001, 1.0 );\n\t#ifdef USE_SHEEN_ROUGHNESSMAP\n\t\tmaterial.sheenRoughness *= texture2D( sheenRoughnessMap, vSheenRoughnessMapUv ).a;\n\t#endif\n#endif\n#ifdef USE_ANISOTROPY\n\t#ifdef USE_ANISOTROPYMAP\n\t\tmat2 anisotropyMat = mat2( anisotropyVector.x, anisotropyVector.y, - anisotropyVector.y, anisotropyVector.x );\n\t\tvec3 anisotropyPolar = texture2D( anisotropyMap, vAnisotropyMapUv ).rgb;\n\t\tvec2 anisotropyV = anisotropyMat * normalize( 2.0 * anisotropyPolar.rg - vec2( 1.0 ) ) * anisotropyPolar.b;\n\t#else\n\t\tvec2 anisotropyV = anisotropyVector;\n\t#endif\n\tmaterial.anisotropy = length( anisotropyV );\n\tif( material.anisotropy == 0.0 ) {\n\t\tanisotropyV = vec2( 1.0, 0.0 );\n\t} else {\n\t\tanisotropyV /= material.anisotropy;\n\t\tmaterial.anisotropy = saturate( material.anisotropy );\n\t}\n\tmaterial.alphaT = mix( pow2( material.roughness ), 1.0, pow2( material.anisotropy ) );\n\tmaterial.anisotropyT = tbn[ 0 ] * anisotropyV.x + tbn[ 1 ] * anisotropyV.y;\n\tmaterial.anisotropyB = tbn[ 1 ] * anisotropyV.x - tbn[ 0 ] * anisotropyV.y;\n#endif",lights_physical_pars_fragment:"uniform sampler2D dfgLUT;\nstruct PhysicalMaterial {\n\tvec3 diffuseColor;\n\tvec3 diffuseContribution;\n\tvec3 specularColor;\n\tvec3 specularColorBlended;\n\tfloat roughness;\n\tfloat metalness;\n\tfloat specularF90;\n\tfloat dispersion;\n\t#ifdef USE_CLEARCOAT\n\t\tfloat clearcoat;\n\t\tfloat clearcoatRoughness;\n\t\tvec3 clearcoatF0;\n\t\tfloat clearcoatF90;\n\t#endif\n\t#ifdef USE_IRIDESCENCE\n\t\tfloat iridescence;\n\t\tfloat iridescenceIOR;\n\t\tfloat iridescenceThickness;\n\t\tvec3 iridescenceFresnel;\n\t\tvec3 iridescenceF0;\n\t\tvec3 iridescenceFresnelDielectric;\n\t\tvec3 iridescenceFresnelMetallic;\n\t#endif\n\t#ifdef USE_SHEEN\n\t\tvec3 sheenColor;\n\t\tfloat sheenRoughness;\n\t#endif\n\t#ifdef IOR\n\t\tfloat ior;\n\t#endif\n\t#ifdef USE_TRANSMISSION\n\t\tfloat transmission;\n\t\tfloat transmissionAlpha;\n\t\tfloat thickness;\n\t\tfloat attenuationDistance;\n\t\tvec3 attenuationColor;\n\t#endif\n\t#ifdef USE_ANISOTROPY\n\t\tfloat anisotropy;\n\t\tfloat alphaT;\n\t\tvec3 anisotropyT;\n\t\tvec3 anisotropyB;\n\t#endif\n};\nvec3 clearcoatSpecularDirect = vec3( 0.0 );\nvec3 clearcoatSpecularIndirect = vec3( 0.0 );\nvec3 sheenSpecularDirect = vec3( 0.0 );\nvec3 sheenSpecularIndirect = vec3(0.0 );\nvec3 Schlick_to_F0( const in vec3 f, const in float f90, const in float dotVH ) {\n float x = clamp( 1.0 - dotVH, 0.0, 1.0 );\n float x2 = x * x;\n float x5 = clamp( x * x2 * x2, 0.0, 0.9999 );\n return ( f - vec3( f90 ) * x5 ) / ( 1.0 - x5 );\n}\nfloat V_GGX_SmithCorrelated( const in float alpha, const in float dotNL, const in float dotNV ) {\n\tfloat a2 = pow2( alpha );\n\tfloat gv = dotNL * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNV ) );\n\tfloat gl = dotNV * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNL ) );\n\treturn 0.5 / max( gv + gl, EPSILON );\n}\nfloat D_GGX( const in float alpha, const in float dotNH ) {\n\tfloat a2 = pow2( alpha );\n\tfloat denom = pow2( dotNH ) * ( a2 - 1.0 ) + 1.0;\n\treturn RECIPROCAL_PI * a2 / pow2( denom );\n}\n#ifdef USE_ANISOTROPY\n\tfloat V_GGX_SmithCorrelated_Anisotropic( const in float alphaT, const in float alphaB, const in float dotTV, const in float dotBV, const in float dotTL, const in float dotBL, const in float dotNV, const in float dotNL ) {\n\t\tfloat gv = dotNL * length( vec3( alphaT * dotTV, alphaB * dotBV, dotNV ) );\n\t\tfloat gl = dotNV * length( vec3( alphaT * dotTL, alphaB * dotBL, dotNL ) );\n\t\treturn 0.5 / max( gv + gl, EPSILON );\n\t}\n\tfloat D_GGX_Anisotropic( const in float alphaT, const in float alphaB, const in float dotNH, const in float dotTH, const in float dotBH ) {\n\t\tfloat a2 = alphaT * alphaB;\n\t\thighp vec3 v = vec3( alphaB * dotTH, alphaT * dotBH, a2 * dotNH );\n\t\thighp float v2 = dot( v, v );\n\t\tfloat w2 = a2 / v2;\n\t\treturn RECIPROCAL_PI * a2 * pow2 ( w2 );\n\t}\n#endif\n#ifdef USE_CLEARCOAT\n\tvec3 BRDF_GGX_Clearcoat( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, const in PhysicalMaterial material) {\n\t\tvec3 f0 = material.clearcoatF0;\n\t\tfloat f90 = material.clearcoatF90;\n\t\tfloat roughness = material.clearcoatRoughness;\n\t\tfloat alpha = pow2( roughness );\n\t\tvec3 halfDir = normalize( lightDir + viewDir );\n\t\tfloat dotNL = saturate( dot( normal, lightDir ) );\n\t\tfloat dotNV = saturate( dot( normal, viewDir ) );\n\t\tfloat dotNH = saturate( dot( normal, halfDir ) );\n\t\tfloat dotVH = saturate( dot( viewDir, halfDir ) );\n\t\tvec3 F = F_Schlick( f0, f90, dotVH );\n\t\tfloat V = V_GGX_SmithCorrelated( alpha, dotNL, dotNV );\n\t\tfloat D = D_GGX( alpha, dotNH );\n\t\treturn F * ( V * D );\n\t}\n#endif\nvec3 BRDF_GGX( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, const in PhysicalMaterial material ) {\n\tvec3 f0 = material.specularColorBlended;\n\tfloat f90 = material.specularF90;\n\tfloat roughness = material.roughness;\n\tfloat alpha = pow2( roughness );\n\tvec3 halfDir = normalize( lightDir + viewDir );\n\tfloat dotNL = saturate( dot( normal, lightDir ) );\n\tfloat dotNV = saturate( dot( normal, viewDir ) );\n\tfloat dotNH = saturate( dot( normal, halfDir ) );\n\tfloat dotVH = saturate( dot( viewDir, halfDir ) );\n\tvec3 F = F_Schlick( f0, f90, dotVH );\n\t#ifdef USE_IRIDESCENCE\n\t\tF = mix( F, material.iridescenceFresnel, material.iridescence );\n\t#endif\n\t#ifdef USE_ANISOTROPY\n\t\tfloat dotTL = dot( material.anisotropyT, lightDir );\n\t\tfloat dotTV = dot( material.anisotropyT, viewDir );\n\t\tfloat dotTH = dot( material.anisotropyT, halfDir );\n\t\tfloat dotBL = dot( material.anisotropyB, lightDir );\n\t\tfloat dotBV = dot( material.anisotropyB, viewDir );\n\t\tfloat dotBH = dot( material.anisotropyB, halfDir );\n\t\tfloat V = V_GGX_SmithCorrelated_Anisotropic( material.alphaT, alpha, dotTV, dotBV, dotTL, dotBL, dotNV, dotNL );\n\t\tfloat D = D_GGX_Anisotropic( material.alphaT, alpha, dotNH, dotTH, dotBH );\n\t#else\n\t\tfloat V = V_GGX_SmithCorrelated( alpha, dotNL, dotNV );\n\t\tfloat D = D_GGX( alpha, dotNH );\n\t#endif\n\treturn F * ( V * D );\n}\nvec2 LTC_Uv( const in vec3 N, const in vec3 V, const in float roughness ) {\n\tconst float LUT_SIZE = 64.0;\n\tconst float LUT_SCALE = ( LUT_SIZE - 1.0 ) / LUT_SIZE;\n\tconst float LUT_BIAS = 0.5 / LUT_SIZE;\n\tfloat dotNV = saturate( dot( N, V ) );\n\tvec2 uv = vec2( roughness, sqrt( 1.0 - dotNV ) );\n\tuv = uv * LUT_SCALE + LUT_BIAS;\n\treturn uv;\n}\nfloat LTC_ClippedSphereFormFactor( const in vec3 f ) {\n\tfloat l = length( f );\n\treturn max( ( l * l + f.z ) / ( l + 1.0 ), 0.0 );\n}\nvec3 LTC_EdgeVectorFormFactor( const in vec3 v1, const in vec3 v2 ) {\n\tfloat x = dot( v1, v2 );\n\tfloat y = abs( x );\n\tfloat a = 0.8543985 + ( 0.4965155 + 0.0145206 * y ) * y;\n\tfloat b = 3.4175940 + ( 4.1616724 + y ) * y;\n\tfloat v = a / b;\n\tfloat theta_sintheta = ( x > 0.0 ) ? v : 0.5 * inversesqrt( max( 1.0 - x * x, 1e-7 ) ) - v;\n\treturn cross( v1, v2 ) * theta_sintheta;\n}\nvec3 LTC_Evaluate( const in vec3 N, const in vec3 V, const in vec3 P, const in mat3 mInv, const in vec3 rectCoords[ 4 ] ) {\n\tvec3 v1 = rectCoords[ 1 ] - rectCoords[ 0 ];\n\tvec3 v2 = rectCoords[ 3 ] - rectCoords[ 0 ];\n\tvec3 lightNormal = cross( v1, v2 );\n\tif( dot( lightNormal, P - rectCoords[ 0 ] ) < 0.0 ) return vec3( 0.0 );\n\tvec3 T1, T2;\n\tT1 = normalize( V - N * dot( V, N ) );\n\tT2 = - cross( N, T1 );\n\tmat3 mat = mInv * transpose( mat3( T1, T2, N ) );\n\tvec3 coords[ 4 ];\n\tcoords[ 0 ] = mat * ( rectCoords[ 0 ] - P );\n\tcoords[ 1 ] = mat * ( rectCoords[ 1 ] - P );\n\tcoords[ 2 ] = mat * ( rectCoords[ 2 ] - P );\n\tcoords[ 3 ] = mat * ( rectCoords[ 3 ] - P );\n\tcoords[ 0 ] = normalize( coords[ 0 ] );\n\tcoords[ 1 ] = normalize( coords[ 1 ] );\n\tcoords[ 2 ] = normalize( coords[ 2 ] );\n\tcoords[ 3 ] = normalize( coords[ 3 ] );\n\tvec3 vectorFormFactor = vec3( 0.0 );\n\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 0 ], coords[ 1 ] );\n\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 1 ], coords[ 2 ] );\n\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 2 ], coords[ 3 ] );\n\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 3 ], coords[ 0 ] );\n\tfloat result = LTC_ClippedSphereFormFactor( vectorFormFactor );\n\treturn vec3( result );\n}\n#if defined( USE_SHEEN )\nfloat D_Charlie( float roughness, float dotNH ) {\n\tfloat alpha = pow2( roughness );\n\tfloat invAlpha = 1.0 / alpha;\n\tfloat cos2h = dotNH * dotNH;\n\tfloat sin2h = max( 1.0 - cos2h, 0.0078125 );\n\treturn ( 2.0 + invAlpha ) * pow( sin2h, invAlpha * 0.5 ) / ( 2.0 * PI );\n}\nfloat V_Neubelt( float dotNV, float dotNL ) {\n\treturn saturate( 1.0 / ( 4.0 * ( dotNL + dotNV - dotNL * dotNV ) ) );\n}\nvec3 BRDF_Sheen( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, vec3 sheenColor, const in float sheenRoughness ) {\n\tvec3 halfDir = normalize( lightDir + viewDir );\n\tfloat dotNL = saturate( dot( normal, lightDir ) );\n\tfloat dotNV = saturate( dot( normal, viewDir ) );\n\tfloat dotNH = saturate( dot( normal, halfDir ) );\n\tfloat D = D_Charlie( sheenRoughness, dotNH );\n\tfloat V = V_Neubelt( dotNV, dotNL );\n\treturn sheenColor * ( D * V );\n}\n#endif\nfloat IBLSheenBRDF( const in vec3 normal, const in vec3 viewDir, const in float roughness ) {\n\tfloat dotNV = saturate( dot( normal, viewDir ) );\n\tfloat r2 = roughness * roughness;\n\tfloat rInv = 1.0 / ( roughness + 0.1 );\n\tfloat a = -1.9362 + 1.0678 * roughness + 0.4573 * r2 - 0.8469 * rInv;\n\tfloat b = -0.6014 + 0.5538 * roughness - 0.4670 * r2 - 0.1255 * rInv;\n\tfloat DG = exp( a * dotNV + b );\n\treturn saturate( DG );\n}\nvec3 EnvironmentBRDF( const in vec3 normal, const in vec3 viewDir, const in vec3 specularColor, const in float specularF90, const in float roughness ) {\n\tfloat dotNV = saturate( dot( normal, viewDir ) );\n\tvec2 fab = texture2D( dfgLUT, vec2( roughness, dotNV ) ).rg;\n\treturn specularColor * fab.x + specularF90 * fab.y;\n}\n#ifdef USE_IRIDESCENCE\nvoid computeMultiscatteringIridescence( const in vec3 normal, const in vec3 viewDir, const in vec3 specularColor, const in float specularF90, const in float iridescence, const in vec3 iridescenceF0, const in float roughness, inout vec3 singleScatter, inout vec3 multiScatter ) {\n#else\nvoid computeMultiscattering( const in vec3 normal, const in vec3 viewDir, const in vec3 specularColor, const in float specularF90, const in float roughness, inout vec3 singleScatter, inout vec3 multiScatter ) {\n#endif\n\tfloat dotNV = saturate( dot( normal, viewDir ) );\n\tvec2 fab = texture2D( dfgLUT, vec2( roughness, dotNV ) ).rg;\n\t#ifdef USE_IRIDESCENCE\n\t\tvec3 Fr = mix( specularColor, iridescenceF0, iridescence );\n\t#else\n\t\tvec3 Fr = specularColor;\n\t#endif\n\tvec3 FssEss = Fr * fab.x + specularF90 * fab.y;\n\tfloat Ess = fab.x + fab.y;\n\tfloat Ems = 1.0 - Ess;\n\tvec3 Favg = Fr + ( 1.0 - Fr ) * 0.047619;\tvec3 Fms = FssEss * Favg / ( 1.0 - Ems * Favg );\n\tsingleScatter += FssEss;\n\tmultiScatter += Fms * Ems;\n}\nvec3 BRDF_GGX_Multiscatter( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, const in PhysicalMaterial material ) {\n\tvec3 singleScatter = BRDF_GGX( lightDir, viewDir, normal, material );\n\tfloat dotNL = saturate( dot( normal, lightDir ) );\n\tfloat dotNV = saturate( dot( normal, viewDir ) );\n\tvec2 dfgV = texture2D( dfgLUT, vec2( material.roughness, dotNV ) ).rg;\n\tvec2 dfgL = texture2D( dfgLUT, vec2( material.roughness, dotNL ) ).rg;\n\tvec3 FssEss_V = material.specularColorBlended * dfgV.x + material.specularF90 * dfgV.y;\n\tvec3 FssEss_L = material.specularColorBlended * dfgL.x + material.specularF90 * dfgL.y;\n\tfloat Ess_V = dfgV.x + dfgV.y;\n\tfloat Ess_L = dfgL.x + dfgL.y;\n\tfloat Ems_V = 1.0 - Ess_V;\n\tfloat Ems_L = 1.0 - Ess_L;\n\tvec3 Favg = material.specularColorBlended + ( 1.0 - material.specularColorBlended ) * 0.047619;\n\tvec3 Fms = FssEss_V * FssEss_L * Favg / ( 1.0 - Ems_V * Ems_L * Favg + EPSILON );\n\tfloat compensationFactor = Ems_V * Ems_L;\n\tvec3 multiScatter = Fms * compensationFactor;\n\treturn singleScatter + multiScatter;\n}\n#if NUM_RECT_AREA_LIGHTS > 0\n\tvoid RE_Direct_RectArea_Physical( const in RectAreaLight rectAreaLight, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n\t\tvec3 normal = geometryNormal;\n\t\tvec3 viewDir = geometryViewDir;\n\t\tvec3 position = geometryPosition;\n\t\tvec3 lightPos = rectAreaLight.position;\n\t\tvec3 halfWidth = rectAreaLight.halfWidth;\n\t\tvec3 halfHeight = rectAreaLight.halfHeight;\n\t\tvec3 lightColor = rectAreaLight.color;\n\t\tfloat roughness = material.roughness;\n\t\tvec3 rectCoords[ 4 ];\n\t\trectCoords[ 0 ] = lightPos + halfWidth - halfHeight;\t\trectCoords[ 1 ] = lightPos - halfWidth - halfHeight;\n\t\trectCoords[ 2 ] = lightPos - halfWidth + halfHeight;\n\t\trectCoords[ 3 ] = lightPos + halfWidth + halfHeight;\n\t\tvec2 uv = LTC_Uv( normal, viewDir, roughness );\n\t\tvec4 t1 = texture2D( ltc_1, uv );\n\t\tvec4 t2 = texture2D( ltc_2, uv );\n\t\tmat3 mInv = mat3(\n\t\t\tvec3( t1.x, 0, t1.y ),\n\t\t\tvec3( 0, 1, 0 ),\n\t\t\tvec3( t1.z, 0, t1.w )\n\t\t);\n\t\tvec3 fresnel = ( material.specularColorBlended * t2.x + ( material.specularF90 - material.specularColorBlended ) * t2.y );\n\t\treflectedLight.directSpecular += lightColor * fresnel * LTC_Evaluate( normal, viewDir, position, mInv, rectCoords );\n\t\treflectedLight.directDiffuse += lightColor * material.diffuseContribution * LTC_Evaluate( normal, viewDir, position, mat3( 1.0 ), rectCoords );\n\t\t#ifdef USE_CLEARCOAT\n\t\t\tvec3 Ncc = geometryClearcoatNormal;\n\t\t\tvec2 uvClearcoat = LTC_Uv( Ncc, viewDir, material.clearcoatRoughness );\n\t\t\tvec4 t1Clearcoat = texture2D( ltc_1, uvClearcoat );\n\t\t\tvec4 t2Clearcoat = texture2D( ltc_2, uvClearcoat );\n\t\t\tmat3 mInvClearcoat = mat3(\n\t\t\t\tvec3( t1Clearcoat.x, 0, t1Clearcoat.y ),\n\t\t\t\tvec3( 0, 1, 0 ),\n\t\t\t\tvec3( t1Clearcoat.z, 0, t1Clearcoat.w )\n\t\t\t);\n\t\t\tvec3 fresnelClearcoat = material.clearcoatF0 * t2Clearcoat.x + ( material.clearcoatF90 - material.clearcoatF0 ) * t2Clearcoat.y;\n\t\t\tclearcoatSpecularDirect += lightColor * fresnelClearcoat * LTC_Evaluate( Ncc, viewDir, position, mInvClearcoat, rectCoords );\n\t\t#endif\n\t}\n#endif\nvoid RE_Direct_Physical( const in IncidentLight directLight, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n\tfloat dotNL = saturate( dot( geometryNormal, directLight.direction ) );\n\tvec3 irradiance = dotNL * directLight.color;\n\t#ifdef USE_CLEARCOAT\n\t\tfloat dotNLcc = saturate( dot( geometryClearcoatNormal, directLight.direction ) );\n\t\tvec3 ccIrradiance = dotNLcc * directLight.color;\n\t\tclearcoatSpecularDirect += ccIrradiance * BRDF_GGX_Clearcoat( directLight.direction, geometryViewDir, geometryClearcoatNormal, material );\n\t#endif\n\t#ifdef USE_SHEEN\n \n \t\tsheenSpecularDirect += irradiance * BRDF_Sheen( directLight.direction, geometryViewDir, geometryNormal, material.sheenColor, material.sheenRoughness );\n \n \t\tfloat sheenAlbedoV = IBLSheenBRDF( geometryNormal, geometryViewDir, material.sheenRoughness );\n \t\tfloat sheenAlbedoL = IBLSheenBRDF( geometryNormal, directLight.direction, material.sheenRoughness );\n \n \t\tfloat sheenEnergyComp = 1.0 - max3( material.sheenColor ) * max( sheenAlbedoV, sheenAlbedoL );\n \n \t\tirradiance *= sheenEnergyComp;\n \n \t#endif\n\treflectedLight.directSpecular += irradiance * BRDF_GGX_Multiscatter( directLight.direction, geometryViewDir, geometryNormal, material );\n\treflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseContribution );\n}\nvoid RE_IndirectDiffuse_Physical( const in vec3 irradiance, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n\tvec3 diffuse = irradiance * BRDF_Lambert( material.diffuseContribution );\n\t#ifdef USE_SHEEN\n\t\tfloat sheenAlbedo = IBLSheenBRDF( geometryNormal, geometryViewDir, material.sheenRoughness );\n\t\tfloat sheenEnergyComp = 1.0 - max3( material.sheenColor ) * sheenAlbedo;\n\t\tdiffuse *= sheenEnergyComp;\n\t#endif\n\treflectedLight.indirectDiffuse += diffuse;\n}\nvoid RE_IndirectSpecular_Physical( const in vec3 radiance, const in vec3 irradiance, const in vec3 clearcoatRadiance, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in PhysicalMaterial material, inout ReflectedLight reflectedLight) {\n\t#ifdef USE_CLEARCOAT\n\t\tclearcoatSpecularIndirect += clearcoatRadiance * EnvironmentBRDF( geometryClearcoatNormal, geometryViewDir, material.clearcoatF0, material.clearcoatF90, material.clearcoatRoughness );\n\t#endif\n\t#ifdef USE_SHEEN\n\t\tsheenSpecularIndirect += irradiance * material.sheenColor * IBLSheenBRDF( geometryNormal, geometryViewDir, material.sheenRoughness ) * RECIPROCAL_PI;\n \t#endif\n\tvec3 singleScatteringDielectric = vec3( 0.0 );\n\tvec3 multiScatteringDielectric = vec3( 0.0 );\n\tvec3 singleScatteringMetallic = vec3( 0.0 );\n\tvec3 multiScatteringMetallic = vec3( 0.0 );\n\t#ifdef USE_IRIDESCENCE\n\t\tcomputeMultiscatteringIridescence( geometryNormal, geometryViewDir, material.specularColor, material.specularF90, material.iridescence, material.iridescenceFresnelDielectric, material.roughness, singleScatteringDielectric, multiScatteringDielectric );\n\t\tcomputeMultiscatteringIridescence( geometryNormal, geometryViewDir, material.diffuseColor, material.specularF90, material.iridescence, material.iridescenceFresnelMetallic, material.roughness, singleScatteringMetallic, multiScatteringMetallic );\n\t#else\n\t\tcomputeMultiscattering( geometryNormal, geometryViewDir, material.specularColor, material.specularF90, material.roughness, singleScatteringDielectric, multiScatteringDielectric );\n\t\tcomputeMultiscattering( geometryNormal, geometryViewDir, material.diffuseColor, material.specularF90, material.roughness, singleScatteringMetallic, multiScatteringMetallic );\n\t#endif\n\tvec3 singleScattering = mix( singleScatteringDielectric, singleScatteringMetallic, material.metalness );\n\tvec3 multiScattering = mix( multiScatteringDielectric, multiScatteringMetallic, material.metalness );\n\tvec3 totalScatteringDielectric = singleScatteringDielectric + multiScatteringDielectric;\n\tvec3 diffuse = material.diffuseContribution * ( 1.0 - totalScatteringDielectric );\n\tvec3 cosineWeightedIrradiance = irradiance * RECIPROCAL_PI;\n\tvec3 indirectSpecular = radiance * singleScattering;\n\tindirectSpecular += multiScattering * cosineWeightedIrradiance;\n\tvec3 indirectDiffuse = diffuse * cosineWeightedIrradiance;\n\t#ifdef USE_SHEEN\n\t\tfloat sheenAlbedo = IBLSheenBRDF( geometryNormal, geometryViewDir, material.sheenRoughness );\n\t\tfloat sheenEnergyComp = 1.0 - max3( material.sheenColor ) * sheenAlbedo;\n\t\tindirectSpecular *= sheenEnergyComp;\n\t\tindirectDiffuse *= sheenEnergyComp;\n\t#endif\n\treflectedLight.indirectSpecular += indirectSpecular;\n\treflectedLight.indirectDiffuse += indirectDiffuse;\n}\n#define RE_Direct\t\t\t\tRE_Direct_Physical\n#define RE_Direct_RectArea\t\tRE_Direct_RectArea_Physical\n#define RE_IndirectDiffuse\t\tRE_IndirectDiffuse_Physical\n#define RE_IndirectSpecular\t\tRE_IndirectSpecular_Physical\nfloat computeSpecularOcclusion( const in float dotNV, const in float ambientOcclusion, const in float roughness ) {\n\treturn saturate( pow( dotNV + ambientOcclusion, exp2( - 16.0 * roughness - 1.0 ) ) - 1.0 + ambientOcclusion );\n}",lights_fragment_begin:"\nvec3 geometryPosition = - vViewPosition;\nvec3 geometryNormal = normal;\nvec3 geometryViewDir = ( isOrthographic ) ? vec3( 0, 0, 1 ) : normalize( vViewPosition );\nvec3 geometryClearcoatNormal = vec3( 0.0 );\n#ifdef USE_CLEARCOAT\n\tgeometryClearcoatNormal = clearcoatNormal;\n#endif\n#ifdef USE_IRIDESCENCE\n\tfloat dotNVi = saturate( dot( normal, geometryViewDir ) );\n\tif ( material.iridescenceThickness == 0.0 ) {\n\t\tmaterial.iridescence = 0.0;\n\t} else {\n\t\tmaterial.iridescence = saturate( material.iridescence );\n\t}\n\tif ( material.iridescence > 0.0 ) {\n\t\tmaterial.iridescenceFresnelDielectric = evalIridescence( 1.0, material.iridescenceIOR, dotNVi, material.iridescenceThickness, material.specularColor );\n\t\tmaterial.iridescenceFresnelMetallic = evalIridescence( 1.0, material.iridescenceIOR, dotNVi, material.iridescenceThickness, material.diffuseColor );\n\t\tmaterial.iridescenceFresnel = mix( material.iridescenceFresnelDielectric, material.iridescenceFresnelMetallic, material.metalness );\n\t\tmaterial.iridescenceF0 = Schlick_to_F0( material.iridescenceFresnel, 1.0, dotNVi );\n\t}\n#endif\nIncidentLight directLight;\n#if ( NUM_POINT_LIGHTS > 0 ) && defined( RE_Direct )\n\tPointLight pointLight;\n\t#if defined( USE_SHADOWMAP ) && NUM_POINT_LIGHT_SHADOWS > 0\n\tPointLightShadow pointLightShadow;\n\t#endif\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\n\t\tpointLight = pointLights[ i ];\n\t\tgetPointLightInfo( pointLight, geometryPosition, directLight );\n\t\t#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_POINT_LIGHT_SHADOWS ) && ( defined( SHADOWMAP_TYPE_PCF ) || defined( SHADOWMAP_TYPE_BASIC ) )\n\t\tpointLightShadow = pointLightShadows[ i ];\n\t\tdirectLight.color *= ( directLight.visible && receiveShadow ) ? getPointShadow( pointShadowMap[ i ], pointLightShadow.shadowMapSize, pointLightShadow.shadowIntensity, pointLightShadow.shadowBias, pointLightShadow.shadowRadius, vPointShadowCoord[ i ], pointLightShadow.shadowCameraNear, pointLightShadow.shadowCameraFar ) : 1.0;\n\t\t#endif\n\t\tRE_Direct( directLight, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight );\n\t}\n\t#pragma unroll_loop_end\n#endif\n#if ( NUM_SPOT_LIGHTS > 0 ) && defined( RE_Direct )\n\tSpotLight spotLight;\n\tvec4 spotColor;\n\tvec3 spotLightCoord;\n\tbool inSpotLightMap;\n\t#if defined( USE_SHADOWMAP ) && NUM_SPOT_LIGHT_SHADOWS > 0\n\tSpotLightShadow spotLightShadow;\n\t#endif\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\n\t\tspotLight = spotLights[ i ];\n\t\tgetSpotLightInfo( spotLight, geometryPosition, directLight );\n\t\t#if ( UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS_WITH_MAPS )\n\t\t#define SPOT_LIGHT_MAP_INDEX UNROLLED_LOOP_INDEX\n\t\t#elif ( UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS )\n\t\t#define SPOT_LIGHT_MAP_INDEX NUM_SPOT_LIGHT_MAPS\n\t\t#else\n\t\t#define SPOT_LIGHT_MAP_INDEX ( UNROLLED_LOOP_INDEX - NUM_SPOT_LIGHT_SHADOWS + NUM_SPOT_LIGHT_SHADOWS_WITH_MAPS )\n\t\t#endif\n\t\t#if ( SPOT_LIGHT_MAP_INDEX < NUM_SPOT_LIGHT_MAPS )\n\t\t\tspotLightCoord = vSpotLightCoord[ i ].xyz / vSpotLightCoord[ i ].w;\n\t\t\tinSpotLightMap = all( lessThan( abs( spotLightCoord * 2. - 1. ), vec3( 1.0 ) ) );\n\t\t\tspotColor = texture2D( spotLightMap[ SPOT_LIGHT_MAP_INDEX ], spotLightCoord.xy );\n\t\t\tdirectLight.color = inSpotLightMap ? directLight.color * spotColor.rgb : directLight.color;\n\t\t#endif\n\t\t#undef SPOT_LIGHT_MAP_INDEX\n\t\t#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS )\n\t\tspotLightShadow = spotLightShadows[ i ];\n\t\tdirectLight.color *= ( directLight.visible && receiveShadow ) ? getShadow( spotShadowMap[ i ], spotLightShadow.shadowMapSize, spotLightShadow.shadowIntensity, spotLightShadow.shadowBias, spotLightShadow.shadowRadius, vSpotLightCoord[ i ] ) : 1.0;\n\t\t#endif\n\t\tRE_Direct( directLight, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight );\n\t}\n\t#pragma unroll_loop_end\n#endif\n#if ( NUM_DIR_LIGHTS > 0 ) && defined( RE_Direct )\n\tDirectionalLight directionalLight;\n\t#if defined( USE_SHADOWMAP ) && NUM_DIR_LIGHT_SHADOWS > 0\n\tDirectionalLightShadow directionalLightShadow;\n\t#endif\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\n\t\tdirectionalLight = directionalLights[ i ];\n\t\tgetDirectionalLightInfo( directionalLight, directLight );\n\t\t#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_DIR_LIGHT_SHADOWS )\n\t\tdirectionalLightShadow = directionalLightShadows[ i ];\n\t\tdirectLight.color *= ( directLight.visible && receiveShadow ) ? getShadow( directionalShadowMap[ i ], directionalLightShadow.shadowMapSize, directionalLightShadow.shadowIntensity, directionalLightShadow.shadowBias, directionalLightShadow.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0;\n\t\t#endif\n\t\tRE_Direct( directLight, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight );\n\t}\n\t#pragma unroll_loop_end\n#endif\n#if ( NUM_RECT_AREA_LIGHTS > 0 ) && defined( RE_Direct_RectArea )\n\tRectAreaLight rectAreaLight;\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_RECT_AREA_LIGHTS; i ++ ) {\n\t\trectAreaLight = rectAreaLights[ i ];\n\t\tRE_Direct_RectArea( rectAreaLight, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight );\n\t}\n\t#pragma unroll_loop_end\n#endif\n#if defined( RE_IndirectDiffuse )\n\tvec3 iblIrradiance = vec3( 0.0 );\n\tvec3 irradiance = getAmbientLightIrradiance( ambientLightColor );\n\t#if defined( USE_LIGHT_PROBES )\n\t\tirradiance += getLightProbeIrradiance( lightProbe, geometryNormal );\n\t#endif\n\t#if ( NUM_HEMI_LIGHTS > 0 )\n\t\t#pragma unroll_loop_start\n\t\tfor ( int i = 0; i < NUM_HEMI_LIGHTS; i ++ ) {\n\t\t\tirradiance += getHemisphereLightIrradiance( hemisphereLights[ i ], geometryNormal );\n\t\t}\n\t\t#pragma unroll_loop_end\n\t#endif\n\t#ifdef USE_LIGHT_PROBES_GRID\n\t\tvec3 probeWorldPos = ( ( vec4( geometryPosition, 1.0 ) - viewMatrix[ 3 ] ) * viewMatrix ).xyz;\n\t\tvec3 probeWorldNormal = transformNormalByInverseViewMatrix( geometryNormal, viewMatrix );\n\t\tirradiance += getLightProbeGridIrradiance( probeWorldPos, probeWorldNormal );\n\t#endif\n#endif\n#if defined( RE_IndirectSpecular )\n\tvec3 radiance = vec3( 0.0 );\n\tvec3 clearcoatRadiance = vec3( 0.0 );\n#endif",lights_fragment_maps:"#if defined( RE_IndirectDiffuse )\n\t#ifdef USE_LIGHTMAP\n\t\tvec4 lightMapTexel = texture2D( lightMap, vLightMapUv );\n\t\tvec3 lightMapIrradiance = lightMapTexel.rgb * lightMapIntensity;\n\t\tirradiance += lightMapIrradiance;\n\t#endif\n\t#if defined( USE_ENVMAP ) && defined( ENVMAP_TYPE_CUBE_UV )\n\t\t#if defined( STANDARD ) || defined( LAMBERT ) || defined( PHONG )\n\t\t\tiblIrradiance += getIBLIrradiance( geometryNormal );\n\t\t#endif\n\t#endif\n#endif\n#if defined( USE_ENVMAP ) && defined( RE_IndirectSpecular )\n\t#ifdef USE_ANISOTROPY\n\t\tradiance += getIBLAnisotropyRadiance( geometryViewDir, geometryNormal, material.roughness, material.anisotropyB, material.anisotropy );\n\t#else\n\t\tradiance += getIBLRadiance( geometryViewDir, geometryNormal, material.roughness );\n\t#endif\n\t#ifdef USE_CLEARCOAT\n\t\tclearcoatRadiance += getIBLRadiance( geometryViewDir, geometryClearcoatNormal, material.clearcoatRoughness );\n\t#endif\n#endif",lights_fragment_end:"#if defined( RE_IndirectDiffuse )\n\t#if defined( LAMBERT ) || defined( PHONG )\n\t\tirradiance += iblIrradiance;\n\t#endif\n\tRE_IndirectDiffuse( irradiance, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight );\n#endif\n#if defined( RE_IndirectSpecular )\n\tRE_IndirectSpecular( radiance, iblIrradiance, clearcoatRadiance, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight );\n#endif",lightprobes_pars_fragment:"#ifdef USE_LIGHT_PROBES_GRID\nuniform highp sampler3D probesSH;\nuniform vec3 probesMin;\nuniform vec3 probesMax;\nuniform vec3 probesResolution;\nvec3 getLightProbeGridIrradiance( vec3 worldPos, vec3 worldNormal ) {\n\tvec3 res = probesResolution;\n\tvec3 gridRange = probesMax - probesMin;\n\tvec3 resMinusOne = res - 1.0;\n\tvec3 probeSpacing = gridRange / resMinusOne;\n\tvec3 samplePos = worldPos + worldNormal * probeSpacing * 0.5;\n\tvec3 uvw = clamp( ( samplePos - probesMin ) / gridRange, 0.0, 1.0 );\n\tuvw = uvw * resMinusOne / res + 0.5 / res;\n\tfloat nz = res.z;\n\tfloat paddedSlices = nz + 2.0;\n\tfloat atlasDepth = 7.0 * paddedSlices;\n\tfloat uvZBase = uvw.z * nz + 1.0;\n\tvec4 s0 = texture( probesSH, vec3( uvw.xy, ( uvZBase ) / atlasDepth ) );\n\tvec4 s1 = texture( probesSH, vec3( uvw.xy, ( uvZBase + paddedSlices ) / atlasDepth ) );\n\tvec4 s2 = texture( probesSH, vec3( uvw.xy, ( uvZBase + 2.0 * paddedSlices ) / atlasDepth ) );\n\tvec4 s3 = texture( probesSH, vec3( uvw.xy, ( uvZBase + 3.0 * paddedSlices ) / atlasDepth ) );\n\tvec4 s4 = texture( probesSH, vec3( uvw.xy, ( uvZBase + 4.0 * paddedSlices ) / atlasDepth ) );\n\tvec4 s5 = texture( probesSH, vec3( uvw.xy, ( uvZBase + 5.0 * paddedSlices ) / atlasDepth ) );\n\tvec4 s6 = texture( probesSH, vec3( uvw.xy, ( uvZBase + 6.0 * paddedSlices ) / atlasDepth ) );\n\tvec3 c0 = s0.xyz;\n\tvec3 c1 = vec3( s0.w, s1.xy );\n\tvec3 c2 = vec3( s1.zw, s2.x );\n\tvec3 c3 = s2.yzw;\n\tvec3 c4 = s3.xyz;\n\tvec3 c5 = vec3( s3.w, s4.xy );\n\tvec3 c6 = vec3( s4.zw, s5.x );\n\tvec3 c7 = s5.yzw;\n\tvec3 c8 = s6.xyz;\n\tfloat x = worldNormal.x, y = worldNormal.y, z = worldNormal.z;\n\tvec3 result = c0 * 0.886227;\n\tresult += c1 * 2.0 * 0.511664 * y;\n\tresult += c2 * 2.0 * 0.511664 * z;\n\tresult += c3 * 2.0 * 0.511664 * x;\n\tresult += c4 * 2.0 * 0.429043 * x * y;\n\tresult += c5 * 2.0 * 0.429043 * y * z;\n\tresult += c6 * ( 0.743125 * z * z - 0.247708 );\n\tresult += c7 * 2.0 * 0.429043 * x * z;\n\tresult += c8 * 0.429043 * ( x * x - y * y );\n\treturn max( result, vec3( 0.0 ) );\n}\n#endif",logdepthbuf_fragment:"#if defined( USE_LOGARITHMIC_DEPTH_BUFFER )\n\tgl_FragDepth = vIsPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;\n#endif",logdepthbuf_pars_fragment:"#if defined( USE_LOGARITHMIC_DEPTH_BUFFER )\n\tuniform float logDepthBufFC;\n\tvarying float vFragDepth;\n\tvarying float vIsPerspective;\n#endif",logdepthbuf_pars_vertex:"#ifdef USE_LOGARITHMIC_DEPTH_BUFFER\n\tvarying float vFragDepth;\n\tvarying float vIsPerspective;\n#endif",logdepthbuf_vertex:"#ifdef USE_LOGARITHMIC_DEPTH_BUFFER\n\tvFragDepth = 1.0 + gl_Position.w;\n\tvIsPerspective = float( isPerspectiveMatrix( projectionMatrix ) );\n#endif",map_fragment:"#ifdef USE_MAP\n\tvec4 sampledDiffuseColor = texture2D( map, vMapUv );\n\t#ifdef DECODE_VIDEO_TEXTURE\n\t\tsampledDiffuseColor = sRGBTransferEOTF( sampledDiffuseColor );\n\t#endif\n\tdiffuseColor *= sampledDiffuseColor;\n#endif",map_pars_fragment:"#ifdef USE_MAP\n\tuniform sampler2D map;\n#endif",map_particle_fragment:"#if defined( USE_MAP ) || defined( USE_ALPHAMAP )\n\t#if defined( USE_POINTS_UV )\n\t\tvec2 uv = vUv;\n\t#else\n\t\tvec2 uv = ( uvTransform * vec3( gl_PointCoord.x, 1.0 - gl_PointCoord.y, 1 ) ).xy;\n\t#endif\n#endif\n#ifdef USE_MAP\n\tdiffuseColor *= texture2D( map, uv );\n#endif\n#ifdef USE_ALPHAMAP\n\tdiffuseColor.a *= texture2D( alphaMap, uv ).g;\n#endif",map_particle_pars_fragment:"#if defined( USE_POINTS_UV )\n\tvarying vec2 vUv;\n#else\n\t#if defined( USE_MAP ) || defined( USE_ALPHAMAP )\n\t\tuniform mat3 uvTransform;\n\t#endif\n#endif\n#ifdef USE_MAP\n\tuniform sampler2D map;\n#endif\n#ifdef USE_ALPHAMAP\n\tuniform sampler2D alphaMap;\n#endif",metalnessmap_fragment:"float metalnessFactor = metalness;\n#ifdef USE_METALNESSMAP\n\tvec4 texelMetalness = texture2D( metalnessMap, vMetalnessMapUv );\n\tmetalnessFactor *= texelMetalness.b;\n#endif",metalnessmap_pars_fragment:"#ifdef USE_METALNESSMAP\n\tuniform sampler2D metalnessMap;\n#endif",morphinstance_vertex:"#ifdef USE_INSTANCING_MORPH\n\tfloat morphTargetInfluences[ MORPHTARGETS_COUNT ];\n\tfloat morphTargetBaseInfluence = texelFetch( morphTexture, ivec2( 0, gl_InstanceID ), 0 ).r;\n\tfor ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) {\n\t\tmorphTargetInfluences[i] = texelFetch( morphTexture, ivec2( i + 1, gl_InstanceID ), 0 ).r;\n\t}\n#endif",morphcolor_vertex:"#if defined( USE_MORPHCOLORS )\n\tvColor *= morphTargetBaseInfluence;\n\tfor ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) {\n\t\t#if defined( USE_COLOR_ALPHA )\n\t\t\tif ( morphTargetInfluences[ i ] != 0.0 ) vColor += getMorph( gl_VertexID, i, 2 ) * morphTargetInfluences[ i ];\n\t\t#elif defined( USE_COLOR )\n\t\t\tif ( morphTargetInfluences[ i ] != 0.0 ) vColor += getMorph( gl_VertexID, i, 2 ).rgb * morphTargetInfluences[ i ];\n\t\t#endif\n\t}\n#endif",morphnormal_vertex:"#ifdef USE_MORPHNORMALS\n\tobjectNormal *= morphTargetBaseInfluence;\n\tfor ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) {\n\t\tif ( morphTargetInfluences[ i ] != 0.0 ) objectNormal += getMorph( gl_VertexID, i, 1 ).xyz * morphTargetInfluences[ i ];\n\t}\n#endif",morphtarget_pars_vertex:"#ifdef USE_MORPHTARGETS\n\t#ifndef USE_INSTANCING_MORPH\n\t\tuniform float morphTargetBaseInfluence;\n\t\tuniform float morphTargetInfluences[ MORPHTARGETS_COUNT ];\n\t#endif\n\tuniform sampler2DArray morphTargetsTexture;\n\tuniform ivec2 morphTargetsTextureSize;\n\tvec4 getMorph( const in int vertexIndex, const in int morphTargetIndex, const in int offset ) {\n\t\tint texelIndex = vertexIndex * MORPHTARGETS_TEXTURE_STRIDE + offset;\n\t\tint y = texelIndex / morphTargetsTextureSize.x;\n\t\tint x = texelIndex - y * morphTargetsTextureSize.x;\n\t\tivec3 morphUV = ivec3( x, y, morphTargetIndex );\n\t\treturn texelFetch( morphTargetsTexture, morphUV, 0 );\n\t}\n#endif",morphtarget_vertex:"#ifdef USE_MORPHTARGETS\n\ttransformed *= morphTargetBaseInfluence;\n\tfor ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) {\n\t\tif ( morphTargetInfluences[ i ] != 0.0 ) transformed += getMorph( gl_VertexID, i, 0 ).xyz * morphTargetInfluences[ i ];\n\t}\n#endif",normal_fragment_begin:"float faceDirection = gl_FrontFacing ? 1.0 : - 1.0;\n#ifdef FLAT_SHADED\n\tvec3 fdx = dFdx( vViewPosition );\n\tvec3 fdy = dFdy( vViewPosition );\n\tvec3 normal = normalize( cross( fdx, fdy ) );\n#else\n\tvec3 normal = normalize( vNormal );\n\t#ifdef DOUBLE_SIDED\n\t\tnormal *= faceDirection;\n\t#endif\n#endif\n#if defined( USE_NORMALMAP_TANGENTSPACE ) || defined( USE_CLEARCOAT_NORMALMAP ) || defined( USE_ANISOTROPY )\n\t#ifdef USE_TANGENT\n\t\tmat3 tbn = mat3( normalize( vTangent ), normalize( vBitangent ), normal );\n\t#else\n\t\tmat3 tbn = getTangentFrame( - vViewPosition, normal,\n\t\t#if defined( USE_NORMALMAP )\n\t\t\tvNormalMapUv\n\t\t#elif defined( USE_CLEARCOAT_NORMALMAP )\n\t\t\tvClearcoatNormalMapUv\n\t\t#else\n\t\t\tvUv\n\t\t#endif\n\t\t);\n\t#endif\n\t#ifdef DOUBLE_SIDED\n\t\ttbn[0] *= faceDirection;\n\t\ttbn[1] *= faceDirection;\n\t#endif\n#endif\n#ifdef USE_CLEARCOAT_NORMALMAP\n\t#ifdef USE_TANGENT\n\t\tmat3 tbn2 = mat3( normalize( vTangent ), normalize( vBitangent ), normal );\n\t#else\n\t\tmat3 tbn2 = getTangentFrame( - vViewPosition, normal, vClearcoatNormalMapUv );\n\t#endif\n\t#ifdef DOUBLE_SIDED\n\t\ttbn2[0] *= faceDirection;\n\t\ttbn2[1] *= faceDirection;\n\t#endif\n#endif\nvec3 nonPerturbedNormal = normal;",normal_fragment_maps:"#ifdef USE_NORMALMAP_OBJECTSPACE\n\tnormal = texture2D( normalMap, vNormalMapUv ).xyz * 2.0 - 1.0;\n\t#ifdef FLIP_SIDED\n\t\tnormal = - normal;\n\t#endif\n\t#ifdef DOUBLE_SIDED\n\t\tnormal = normal * faceDirection;\n\t#endif\n\tnormal = normalize( normalMatrix * normal );\n#elif defined( USE_NORMALMAP_TANGENTSPACE )\n\tvec3 mapN = texture2D( normalMap, vNormalMapUv ).xyz * 2.0 - 1.0;\n\t#if defined( USE_PACKED_NORMALMAP )\n\t\tmapN = vec3( mapN.xy, sqrt( saturate( 1.0 - dot( mapN.xy, mapN.xy ) ) ) );\n\t#endif\n\tmapN.xy *= normalScale;\n\tnormal = normalize( tbn * mapN );\n#elif defined( USE_BUMPMAP )\n\tnormal = perturbNormalArb( - vViewPosition, normal, dHdxy_fwd(), faceDirection );\n#endif",normal_pars_fragment:"#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n\t#ifdef USE_TANGENT\n\t\tvarying vec3 vTangent;\n\t\tvarying vec3 vBitangent;\n\t#endif\n#endif",normal_pars_vertex:"#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n\t#ifdef USE_TANGENT\n\t\tvarying vec3 vTangent;\n\t\tvarying vec3 vBitangent;\n\t#endif\n#endif",normal_vertex:"#ifndef FLAT_SHADED\n\tvNormal = normalize( transformedNormal );\n\t#ifdef USE_TANGENT\n\t\tvTangent = normalize( transformedTangent );\n\t\tvBitangent = normalize( cross( vNormal, vTangent ) * tangent.w );\n\t\t#ifdef FLIP_SIDED\n\t\t\tvBitangent = - vBitangent;\n\t\t#endif\n\t#endif\n#endif",normalmap_pars_fragment:"#ifdef USE_NORMALMAP\n\tuniform sampler2D normalMap;\n\tuniform vec2 normalScale;\n#endif\n#ifdef USE_NORMALMAP_OBJECTSPACE\n\tuniform mat3 normalMatrix;\n#endif\n#if ! defined ( USE_TANGENT ) && ( defined ( USE_NORMALMAP_TANGENTSPACE ) || defined ( USE_CLEARCOAT_NORMALMAP ) || defined( USE_ANISOTROPY ) )\n\tmat3 getTangentFrame( vec3 eye_pos, vec3 surf_norm, vec2 uv ) {\n\t\tvec3 q0 = dFdx( eye_pos.xyz );\n\t\tvec3 q1 = dFdy( eye_pos.xyz );\n\t\tvec2 st0 = dFdx( uv.st );\n\t\tvec2 st1 = dFdy( uv.st );\n\t\tvec3 N = surf_norm;\n\t\tvec3 q1perp = cross( q1, N );\n\t\tvec3 q0perp = cross( N, q0 );\n\t\tvec3 T = q1perp * st0.x + q0perp * st1.x;\n\t\tvec3 B = q1perp * st0.y + q0perp * st1.y;\n\t\tfloat det = max( dot( T, T ), dot( B, B ) );\n\t\tfloat scale = ( det == 0.0 ) ? 0.0 : inversesqrt( det );\n\t\treturn mat3( T * scale, B * scale, N );\n\t}\n#endif",clearcoat_normal_fragment_begin:"#ifdef USE_CLEARCOAT\n\tvec3 clearcoatNormal = nonPerturbedNormal;\n#endif",clearcoat_normal_fragment_maps:"#ifdef USE_CLEARCOAT_NORMALMAP\n\tvec3 clearcoatMapN = texture2D( clearcoatNormalMap, vClearcoatNormalMapUv ).xyz * 2.0 - 1.0;\n\tclearcoatMapN.xy *= clearcoatNormalScale;\n\tclearcoatNormal = normalize( tbn2 * clearcoatMapN );\n#endif",clearcoat_pars_fragment:"#ifdef USE_CLEARCOATMAP\n\tuniform sampler2D clearcoatMap;\n#endif\n#ifdef USE_CLEARCOAT_NORMALMAP\n\tuniform sampler2D clearcoatNormalMap;\n\tuniform vec2 clearcoatNormalScale;\n#endif\n#ifdef USE_CLEARCOAT_ROUGHNESSMAP\n\tuniform sampler2D clearcoatRoughnessMap;\n#endif",iridescence_pars_fragment:"#ifdef USE_IRIDESCENCEMAP\n\tuniform sampler2D iridescenceMap;\n#endif\n#ifdef USE_IRIDESCENCE_THICKNESSMAP\n\tuniform sampler2D iridescenceThicknessMap;\n#endif",opaque_fragment:"#ifdef OPAQUE\ndiffuseColor.a = 1.0;\n#endif\n#ifdef USE_TRANSMISSION\ndiffuseColor.a *= material.transmissionAlpha;\n#endif\ngl_FragColor = vec4( outgoingLight, diffuseColor.a );",packing:"vec3 packNormalToRGB( const in vec3 normal ) {\n\treturn normalize( normal ) * 0.5 + 0.5;\n}\nvec3 unpackRGBToNormal( const in vec3 rgb ) {\n\treturn 2.0 * rgb.xyz - 1.0;\n}\nconst float PackUpscale = 256. / 255.;const float UnpackDownscale = 255. / 256.;const float ShiftRight8 = 1. / 256.;\nconst float Inv255 = 1. / 255.;\nconst vec4 PackFactors = vec4( 1.0, 256.0, 256.0 * 256.0, 256.0 * 256.0 * 256.0 );\nconst vec2 UnpackFactors2 = vec2( UnpackDownscale, 1.0 / PackFactors.g );\nconst vec3 UnpackFactors3 = vec3( UnpackDownscale / PackFactors.rg, 1.0 / PackFactors.b );\nconst vec4 UnpackFactors4 = vec4( UnpackDownscale / PackFactors.rgb, 1.0 / PackFactors.a );\nvec4 packDepthToRGBA( const in float v ) {\n\tif( v <= 0.0 )\n\t\treturn vec4( 0., 0., 0., 0. );\n\tif( v >= 1.0 )\n\t\treturn vec4( 1., 1., 1., 1. );\n\tfloat vuf;\n\tfloat af = modf( v * PackFactors.a, vuf );\n\tfloat bf = modf( vuf * ShiftRight8, vuf );\n\tfloat gf = modf( vuf * ShiftRight8, vuf );\n\treturn vec4( vuf * Inv255, gf * PackUpscale, bf * PackUpscale, af );\n}\nvec3 packDepthToRGB( const in float v ) {\n\tif( v <= 0.0 )\n\t\treturn vec3( 0., 0., 0. );\n\tif( v >= 1.0 )\n\t\treturn vec3( 1., 1., 1. );\n\tfloat vuf;\n\tfloat bf = modf( v * PackFactors.b, vuf );\n\tfloat gf = modf( vuf * ShiftRight8, vuf );\n\treturn vec3( vuf * Inv255, gf * PackUpscale, bf );\n}\nvec2 packDepthToRG( const in float v ) {\n\tif( v <= 0.0 )\n\t\treturn vec2( 0., 0. );\n\tif( v >= 1.0 )\n\t\treturn vec2( 1., 1. );\n\tfloat vuf;\n\tfloat gf = modf( v * 256., vuf );\n\treturn vec2( vuf * Inv255, gf );\n}\nfloat unpackRGBAToDepth( const in vec4 v ) {\n\treturn dot( v, UnpackFactors4 );\n}\nfloat unpackRGBToDepth( const in vec3 v ) {\n\treturn dot( v, UnpackFactors3 );\n}\nfloat unpackRGToDepth( const in vec2 v ) {\n\treturn v.r * UnpackFactors2.r + v.g * UnpackFactors2.g;\n}\nvec4 pack2HalfToRGBA( const in vec2 v ) {\n\tvec4 r = vec4( v.x, fract( v.x * 255.0 ), v.y, fract( v.y * 255.0 ) );\n\treturn vec4( r.x - r.y / 255.0, r.y, r.z - r.w / 255.0, r.w );\n}\nvec2 unpackRGBATo2Half( const in vec4 v ) {\n\treturn vec2( v.x + ( v.y / 255.0 ), v.z + ( v.w / 255.0 ) );\n}\nfloat viewZToOrthographicDepth( const in float viewZ, const in float near, const in float far ) {\n\treturn ( viewZ + near ) / ( near - far );\n}\nfloat orthographicDepthToViewZ( const in float depth, const in float near, const in float far ) {\n\t#ifdef USE_REVERSED_DEPTH_BUFFER\n\t\n\t\treturn depth * ( far - near ) - far;\n\t#else\n\t\treturn depth * ( near - far ) - near;\n\t#endif\n}\nfloat viewZToPerspectiveDepth( const in float viewZ, const in float near, const in float far ) {\n\treturn ( ( near + viewZ ) * far ) / ( ( far - near ) * viewZ );\n}\nfloat perspectiveDepthToViewZ( const in float depth, const in float near, const in float far ) {\n\t\n\t#ifdef USE_REVERSED_DEPTH_BUFFER\n\t\treturn ( near * far ) / ( ( near - far ) * depth - near );\n\t#else\n\t\treturn ( near * far ) / ( ( far - near ) * depth - far );\n\t#endif\n}",premultiplied_alpha_fragment:"#ifdef PREMULTIPLIED_ALPHA\n\tgl_FragColor.rgb *= gl_FragColor.a;\n#endif",project_vertex:"vec4 mvPosition = vec4( transformed, 1.0 );\n#ifdef USE_BATCHING\n\tmvPosition = batchingMatrix * mvPosition;\n#endif\n#ifdef USE_INSTANCING\n\tmvPosition = instanceMatrix * mvPosition;\n#endif\nmvPosition = modelViewMatrix * mvPosition;\ngl_Position = projectionMatrix * mvPosition;",dithering_fragment:"#ifdef DITHERING\n\tgl_FragColor.rgb = dithering( gl_FragColor.rgb );\n#endif",dithering_pars_fragment:"#ifdef DITHERING\n\tvec3 dithering( vec3 color ) {\n\t\tfloat grid_position = rand( gl_FragCoord.xy );\n\t\tvec3 dither_shift_RGB = vec3( 0.25 / 255.0, -0.25 / 255.0, 0.25 / 255.0 );\n\t\tdither_shift_RGB = mix( 2.0 * dither_shift_RGB, -2.0 * dither_shift_RGB, grid_position );\n\t\treturn color + dither_shift_RGB;\n\t}\n#endif",roughnessmap_fragment:"float roughnessFactor = roughness;\n#ifdef USE_ROUGHNESSMAP\n\tvec4 texelRoughness = texture2D( roughnessMap, vRoughnessMapUv );\n\troughnessFactor *= texelRoughness.g;\n#endif",roughnessmap_pars_fragment:"#ifdef USE_ROUGHNESSMAP\n\tuniform sampler2D roughnessMap;\n#endif",shadowmap_pars_fragment:"#if NUM_SPOT_LIGHT_COORDS > 0\n\tvarying vec4 vSpotLightCoord[ NUM_SPOT_LIGHT_COORDS ];\n#endif\n#if NUM_SPOT_LIGHT_MAPS > 0\n\tuniform sampler2D spotLightMap[ NUM_SPOT_LIGHT_MAPS ];\n#endif\n#ifdef USE_SHADOWMAP\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\t\t#if defined( SHADOWMAP_TYPE_PCF )\n\t\t\tuniform sampler2DShadow directionalShadowMap[ NUM_DIR_LIGHT_SHADOWS ];\n\t\t#else\n\t\t\tuniform sampler2D directionalShadowMap[ NUM_DIR_LIGHT_SHADOWS ];\n\t\t#endif\n\t\tvarying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHT_SHADOWS ];\n\t\tstruct DirectionalLightShadow {\n\t\t\tfloat shadowIntensity;\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t};\n\t\tuniform DirectionalLightShadow directionalLightShadows[ NUM_DIR_LIGHT_SHADOWS ];\n\t#endif\n\t#if NUM_SPOT_LIGHT_SHADOWS > 0\n\t\t#if defined( SHADOWMAP_TYPE_PCF )\n\t\t\tuniform sampler2DShadow spotShadowMap[ NUM_SPOT_LIGHT_SHADOWS ];\n\t\t#else\n\t\t\tuniform sampler2D spotShadowMap[ NUM_SPOT_LIGHT_SHADOWS ];\n\t\t#endif\n\t\tstruct SpotLightShadow {\n\t\t\tfloat shadowIntensity;\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t};\n\t\tuniform SpotLightShadow spotLightShadows[ NUM_SPOT_LIGHT_SHADOWS ];\n\t#endif\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\t\t#if defined( SHADOWMAP_TYPE_PCF )\n\t\t\tuniform samplerCubeShadow pointShadowMap[ NUM_POINT_LIGHT_SHADOWS ];\n\t\t#elif defined( SHADOWMAP_TYPE_BASIC )\n\t\t\tuniform samplerCube pointShadowMap[ NUM_POINT_LIGHT_SHADOWS ];\n\t\t#endif\n\t\tvarying vec4 vPointShadowCoord[ NUM_POINT_LIGHT_SHADOWS ];\n\t\tstruct PointLightShadow {\n\t\t\tfloat shadowIntensity;\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t\tfloat shadowCameraNear;\n\t\t\tfloat shadowCameraFar;\n\t\t};\n\t\tuniform PointLightShadow pointLightShadows[ NUM_POINT_LIGHT_SHADOWS ];\n\t#endif\n\t#if defined( SHADOWMAP_TYPE_PCF )\n\t\tfloat interleavedGradientNoise( vec2 position ) {\n\t\t\treturn fract( 52.9829189 * fract( dot( position, vec2( 0.06711056, 0.00583715 ) ) ) );\n\t\t}\n\t\tvec2 vogelDiskSample( int sampleIndex, int samplesCount, float phi ) {\n\t\t\tconst float goldenAngle = 2.399963229728653;\n\t\t\tfloat r = sqrt( ( float( sampleIndex ) + 0.5 ) / float( samplesCount ) );\n\t\t\tfloat theta = float( sampleIndex ) * goldenAngle + phi;\n\t\t\treturn vec2( cos( theta ), sin( theta ) ) * r;\n\t\t}\n\t#endif\n\t#if defined( SHADOWMAP_TYPE_PCF )\n\t\tfloat getShadow( sampler2DShadow shadowMap, vec2 shadowMapSize, float shadowIntensity, float shadowBias, float shadowRadius, vec4 shadowCoord ) {\n\t\t\tfloat shadow = 1.0;\n\t\t\tshadowCoord.xyz /= shadowCoord.w;\n\t\t\tshadowCoord.z += shadowBias;\n\t\t\tbool inFrustum = shadowCoord.x >= 0.0 && shadowCoord.x <= 1.0 && shadowCoord.y >= 0.0 && shadowCoord.y <= 1.0;\n\t\t\tbool frustumTest = inFrustum && shadowCoord.z <= 1.0;\n\t\t\tif ( frustumTest ) {\n\t\t\t\tvec2 texelSize = vec2( 1.0 ) / shadowMapSize;\n\t\t\t\tfloat radius = shadowRadius * texelSize.x;\n\t\t\t\tfloat phi = interleavedGradientNoise( gl_FragCoord.xy ) * PI2;\n\t\t\t\tshadow = (\n\t\t\t\t\ttexture( shadowMap, vec3( shadowCoord.xy + vogelDiskSample( 0, 5, phi ) * radius, shadowCoord.z ) ) +\n\t\t\t\t\ttexture( shadowMap, vec3( shadowCoord.xy + vogelDiskSample( 1, 5, phi ) * radius, shadowCoord.z ) ) +\n\t\t\t\t\ttexture( shadowMap, vec3( shadowCoord.xy + vogelDiskSample( 2, 5, phi ) * radius, shadowCoord.z ) ) +\n\t\t\t\t\ttexture( shadowMap, vec3( shadowCoord.xy + vogelDiskSample( 3, 5, phi ) * radius, shadowCoord.z ) ) +\n\t\t\t\t\ttexture( shadowMap, vec3( shadowCoord.xy + vogelDiskSample( 4, 5, phi ) * radius, shadowCoord.z ) )\n\t\t\t\t) * 0.2;\n\t\t\t}\n\t\t\treturn mix( 1.0, shadow, shadowIntensity );\n\t\t}\n\t#elif defined( SHADOWMAP_TYPE_VSM )\n\t\tfloat getShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowIntensity, float shadowBias, float shadowRadius, vec4 shadowCoord ) {\n\t\t\tfloat shadow = 1.0;\n\t\t\tshadowCoord.xyz /= shadowCoord.w;\n\t\t\t#ifdef USE_REVERSED_DEPTH_BUFFER\n\t\t\t\tshadowCoord.z -= shadowBias;\n\t\t\t#else\n\t\t\t\tshadowCoord.z += shadowBias;\n\t\t\t#endif\n\t\t\tbool inFrustum = shadowCoord.x >= 0.0 && shadowCoord.x <= 1.0 && shadowCoord.y >= 0.0 && shadowCoord.y <= 1.0;\n\t\t\tbool frustumTest = inFrustum && shadowCoord.z <= 1.0;\n\t\t\tif ( frustumTest ) {\n\t\t\t\tvec2 distribution = texture2D( shadowMap, shadowCoord.xy ).rg;\n\t\t\t\tfloat mean = distribution.x;\n\t\t\t\tfloat variance = distribution.y * distribution.y;\n\t\t\t\t#ifdef USE_REVERSED_DEPTH_BUFFER\n\t\t\t\t\tfloat hard_shadow = step( mean, shadowCoord.z );\n\t\t\t\t#else\n\t\t\t\t\tfloat hard_shadow = step( shadowCoord.z, mean );\n\t\t\t\t#endif\n\t\t\t\t\n\t\t\t\tif ( hard_shadow == 1.0 ) {\n\t\t\t\t\tshadow = 1.0;\n\t\t\t\t} else {\n\t\t\t\t\tvariance = max( variance, 0.0000001 );\n\t\t\t\t\tfloat d = shadowCoord.z - mean;\n\t\t\t\t\tfloat p_max = variance / ( variance + d * d );\n\t\t\t\t\tp_max = clamp( ( p_max - 0.3 ) / 0.65, 0.0, 1.0 );\n\t\t\t\t\tshadow = max( hard_shadow, p_max );\n\t\t\t\t}\n\t\t\t}\n\t\t\treturn mix( 1.0, shadow, shadowIntensity );\n\t\t}\n\t#else\n\t\tfloat getShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowIntensity, float shadowBias, float shadowRadius, vec4 shadowCoord ) {\n\t\t\tfloat shadow = 1.0;\n\t\t\tshadowCoord.xyz /= shadowCoord.w;\n\t\t\t#ifdef USE_REVERSED_DEPTH_BUFFER\n\t\t\t\tshadowCoord.z -= shadowBias;\n\t\t\t#else\n\t\t\t\tshadowCoord.z += shadowBias;\n\t\t\t#endif\n\t\t\tbool inFrustum = shadowCoord.x >= 0.0 && shadowCoord.x <= 1.0 && shadowCoord.y >= 0.0 && shadowCoord.y <= 1.0;\n\t\t\tbool frustumTest = inFrustum && shadowCoord.z <= 1.0;\n\t\t\tif ( frustumTest ) {\n\t\t\t\tfloat depth = texture2D( shadowMap, shadowCoord.xy ).r;\n\t\t\t\t#ifdef USE_REVERSED_DEPTH_BUFFER\n\t\t\t\t\tshadow = step( depth, shadowCoord.z );\n\t\t\t\t#else\n\t\t\t\t\tshadow = step( shadowCoord.z, depth );\n\t\t\t\t#endif\n\t\t\t}\n\t\t\treturn mix( 1.0, shadow, shadowIntensity );\n\t\t}\n\t#endif\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\t#if defined( SHADOWMAP_TYPE_PCF )\n\tfloat getPointShadow( samplerCubeShadow shadowMap, vec2 shadowMapSize, float shadowIntensity, float shadowBias, float shadowRadius, vec4 shadowCoord, float shadowCameraNear, float shadowCameraFar ) {\n\t\tfloat shadow = 1.0;\n\t\tvec3 lightToPosition = shadowCoord.xyz;\n\t\tvec3 bd3D = normalize( lightToPosition );\n\t\tvec3 absVec = abs( lightToPosition );\n\t\tfloat viewSpaceZ = max( max( absVec.x, absVec.y ), absVec.z );\n\t\tif ( viewSpaceZ - shadowCameraFar <= 0.0 && viewSpaceZ - shadowCameraNear >= 0.0 ) {\n\t\t\t#ifdef USE_REVERSED_DEPTH_BUFFER\n\t\t\t\tfloat dp = ( shadowCameraNear * ( shadowCameraFar - viewSpaceZ ) ) / ( viewSpaceZ * ( shadowCameraFar - shadowCameraNear ) );\n\t\t\t\tdp -= shadowBias;\n\t\t\t#else\n\t\t\t\tfloat dp = ( shadowCameraFar * ( viewSpaceZ - shadowCameraNear ) ) / ( viewSpaceZ * ( shadowCameraFar - shadowCameraNear ) );\n\t\t\t\tdp += shadowBias;\n\t\t\t#endif\n\t\t\tfloat texelSize = shadowRadius / shadowMapSize.x;\n\t\t\tvec3 absDir = abs( bd3D );\n\t\t\tvec3 tangent = absDir.x > absDir.z ? vec3( 0.0, 1.0, 0.0 ) : vec3( 1.0, 0.0, 0.0 );\n\t\t\ttangent = normalize( cross( bd3D, tangent ) );\n\t\t\tvec3 bitangent = cross( bd3D, tangent );\n\t\t\tfloat phi = interleavedGradientNoise( gl_FragCoord.xy ) * PI2;\n\t\t\tvec2 sample0 = vogelDiskSample( 0, 5, phi );\n\t\t\tvec2 sample1 = vogelDiskSample( 1, 5, phi );\n\t\t\tvec2 sample2 = vogelDiskSample( 2, 5, phi );\n\t\t\tvec2 sample3 = vogelDiskSample( 3, 5, phi );\n\t\t\tvec2 sample4 = vogelDiskSample( 4, 5, phi );\n\t\t\tshadow = (\n\t\t\t\ttexture( shadowMap, vec4( bd3D + ( tangent * sample0.x + bitangent * sample0.y ) * texelSize, dp ) ) +\n\t\t\t\ttexture( shadowMap, vec4( bd3D + ( tangent * sample1.x + bitangent * sample1.y ) * texelSize, dp ) ) +\n\t\t\t\ttexture( shadowMap, vec4( bd3D + ( tangent * sample2.x + bitangent * sample2.y ) * texelSize, dp ) ) +\n\t\t\t\ttexture( shadowMap, vec4( bd3D + ( tangent * sample3.x + bitangent * sample3.y ) * texelSize, dp ) ) +\n\t\t\t\ttexture( shadowMap, vec4( bd3D + ( tangent * sample4.x + bitangent * sample4.y ) * texelSize, dp ) )\n\t\t\t) * 0.2;\n\t\t}\n\t\treturn mix( 1.0, shadow, shadowIntensity );\n\t}\n\t#elif defined( SHADOWMAP_TYPE_BASIC )\n\tfloat getPointShadow( samplerCube shadowMap, vec2 shadowMapSize, float shadowIntensity, float shadowBias, float shadowRadius, vec4 shadowCoord, float shadowCameraNear, float shadowCameraFar ) {\n\t\tfloat shadow = 1.0;\n\t\tvec3 lightToPosition = shadowCoord.xyz;\n\t\tvec3 absVec = abs( lightToPosition );\n\t\tfloat viewSpaceZ = max( max( absVec.x, absVec.y ), absVec.z );\n\t\tif ( viewSpaceZ - shadowCameraFar <= 0.0 && viewSpaceZ - shadowCameraNear >= 0.0 ) {\n\t\t\tfloat dp = ( shadowCameraFar * ( viewSpaceZ - shadowCameraNear ) ) / ( viewSpaceZ * ( shadowCameraFar - shadowCameraNear ) );\n\t\t\tdp += shadowBias;\n\t\t\tvec3 bd3D = normalize( lightToPosition );\n\t\t\tfloat depth = textureCube( shadowMap, bd3D ).r;\n\t\t\t#ifdef USE_REVERSED_DEPTH_BUFFER\n\t\t\t\tdepth = 1.0 - depth;\n\t\t\t#endif\n\t\t\tshadow = step( dp, depth );\n\t\t}\n\t\treturn mix( 1.0, shadow, shadowIntensity );\n\t}\n\t#endif\n\t#endif\n#endif",shadowmap_pars_vertex:"#if NUM_SPOT_LIGHT_COORDS > 0\n\tuniform mat4 spotLightMatrix[ NUM_SPOT_LIGHT_COORDS ];\n\tvarying vec4 vSpotLightCoord[ NUM_SPOT_LIGHT_COORDS ];\n#endif\n#ifdef USE_SHADOWMAP\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\t\tuniform mat4 directionalShadowMatrix[ NUM_DIR_LIGHT_SHADOWS ];\n\t\tvarying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHT_SHADOWS ];\n\t\tstruct DirectionalLightShadow {\n\t\t\tfloat shadowIntensity;\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t};\n\t\tuniform DirectionalLightShadow directionalLightShadows[ NUM_DIR_LIGHT_SHADOWS ];\n\t#endif\n\t#if NUM_SPOT_LIGHT_SHADOWS > 0\n\t\tstruct SpotLightShadow {\n\t\t\tfloat shadowIntensity;\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t};\n\t\tuniform SpotLightShadow spotLightShadows[ NUM_SPOT_LIGHT_SHADOWS ];\n\t#endif\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\t\tuniform mat4 pointShadowMatrix[ NUM_POINT_LIGHT_SHADOWS ];\n\t\tvarying vec4 vPointShadowCoord[ NUM_POINT_LIGHT_SHADOWS ];\n\t\tstruct PointLightShadow {\n\t\t\tfloat shadowIntensity;\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t\tfloat shadowCameraNear;\n\t\t\tfloat shadowCameraFar;\n\t\t};\n\t\tuniform PointLightShadow pointLightShadows[ NUM_POINT_LIGHT_SHADOWS ];\n\t#endif\n#endif",shadowmap_vertex:"#if ( defined( USE_SHADOWMAP ) && ( NUM_DIR_LIGHT_SHADOWS > 0 || NUM_POINT_LIGHT_SHADOWS > 0 ) ) || ( NUM_SPOT_LIGHT_COORDS > 0 )\n\t#ifdef HAS_NORMAL\n\t\tvec3 shadowWorldNormal = transformNormalByInverseViewMatrix( transformedNormal, viewMatrix );\n\t#else\n\t\tvec3 shadowWorldNormal = vec3( 0.0 );\n\t#endif\n\tvec4 shadowWorldPosition;\n#endif\n#if defined( USE_SHADOWMAP )\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\t\t#pragma unroll_loop_start\n\t\tfor ( int i = 0; i < NUM_DIR_LIGHT_SHADOWS; i ++ ) {\n\t\t\tshadowWorldPosition = worldPosition + vec4( shadowWorldNormal * directionalLightShadows[ i ].shadowNormalBias, 0 );\n\t\t\tvDirectionalShadowCoord[ i ] = directionalShadowMatrix[ i ] * shadowWorldPosition;\n\t\t}\n\t\t#pragma unroll_loop_end\n\t#endif\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\t\t#pragma unroll_loop_start\n\t\tfor ( int i = 0; i < NUM_POINT_LIGHT_SHADOWS; i ++ ) {\n\t\t\tshadowWorldPosition = worldPosition + vec4( shadowWorldNormal * pointLightShadows[ i ].shadowNormalBias, 0 );\n\t\t\tvPointShadowCoord[ i ] = pointShadowMatrix[ i ] * shadowWorldPosition;\n\t\t}\n\t\t#pragma unroll_loop_end\n\t#endif\n#endif\n#if NUM_SPOT_LIGHT_COORDS > 0\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_SPOT_LIGHT_COORDS; i ++ ) {\n\t\tshadowWorldPosition = worldPosition;\n\t\t#if ( defined( USE_SHADOWMAP ) && UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS )\n\t\t\tshadowWorldPosition.xyz += shadowWorldNormal * spotLightShadows[ i ].shadowNormalBias;\n\t\t#endif\n\t\tvSpotLightCoord[ i ] = spotLightMatrix[ i ] * shadowWorldPosition;\n\t}\n\t#pragma unroll_loop_end\n#endif",shadowmask_pars_fragment:"float getShadowMask() {\n\tfloat shadow = 1.0;\n\t#ifdef USE_SHADOWMAP\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\tDirectionalLightShadow directionalLight;\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_DIR_LIGHT_SHADOWS; i ++ ) {\n\t\tdirectionalLight = directionalLightShadows[ i ];\n\t\tshadow *= receiveShadow ? getShadow( directionalShadowMap[ i ], directionalLight.shadowMapSize, directionalLight.shadowIntensity, directionalLight.shadowBias, directionalLight.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0;\n\t}\n\t#pragma unroll_loop_end\n\t#endif\n\t#if NUM_SPOT_LIGHT_SHADOWS > 0\n\tSpotLightShadow spotLight;\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_SPOT_LIGHT_SHADOWS; i ++ ) {\n\t\tspotLight = spotLightShadows[ i ];\n\t\tshadow *= receiveShadow ? getShadow( spotShadowMap[ i ], spotLight.shadowMapSize, spotLight.shadowIntensity, spotLight.shadowBias, spotLight.shadowRadius, vSpotLightCoord[ i ] ) : 1.0;\n\t}\n\t#pragma unroll_loop_end\n\t#endif\n\t#if NUM_POINT_LIGHT_SHADOWS > 0 && ( defined( SHADOWMAP_TYPE_PCF ) || defined( SHADOWMAP_TYPE_BASIC ) )\n\tPointLightShadow pointLight;\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_POINT_LIGHT_SHADOWS; i ++ ) {\n\t\tpointLight = pointLightShadows[ i ];\n\t\tshadow *= receiveShadow ? getPointShadow( pointShadowMap[ i ], pointLight.shadowMapSize, pointLight.shadowIntensity, pointLight.shadowBias, pointLight.shadowRadius, vPointShadowCoord[ i ], pointLight.shadowCameraNear, pointLight.shadowCameraFar ) : 1.0;\n\t}\n\t#pragma unroll_loop_end\n\t#endif\n\t#endif\n\treturn shadow;\n}",skinbase_vertex:"#ifdef USE_SKINNING\n\tmat4 boneMatX = getBoneMatrix( skinIndex.x );\n\tmat4 boneMatY = getBoneMatrix( skinIndex.y );\n\tmat4 boneMatZ = getBoneMatrix( skinIndex.z );\n\tmat4 boneMatW = getBoneMatrix( skinIndex.w );\n#endif",skinning_pars_vertex:"#ifdef USE_SKINNING\n\tuniform mat4 bindMatrix;\n\tuniform mat4 bindMatrixInverse;\n\tuniform highp sampler2D boneTexture;\n\tmat4 getBoneMatrix( const in float i ) {\n\t\tint size = textureSize( boneTexture, 0 ).x;\n\t\tint j = int( i ) * 4;\n\t\tint x = j % size;\n\t\tint y = j / size;\n\t\tvec4 v1 = texelFetch( boneTexture, ivec2( x, y ), 0 );\n\t\tvec4 v2 = texelFetch( boneTexture, ivec2( x + 1, y ), 0 );\n\t\tvec4 v3 = texelFetch( boneTexture, ivec2( x + 2, y ), 0 );\n\t\tvec4 v4 = texelFetch( boneTexture, ivec2( x + 3, y ), 0 );\n\t\treturn mat4( v1, v2, v3, v4 );\n\t}\n#endif",skinning_vertex:"#ifdef USE_SKINNING\n\tvec4 skinVertex = bindMatrix * vec4( transformed, 1.0 );\n\tvec4 skinned = vec4( 0.0 );\n\tskinned += boneMatX * skinVertex * skinWeight.x;\n\tskinned += boneMatY * skinVertex * skinWeight.y;\n\tskinned += boneMatZ * skinVertex * skinWeight.z;\n\tskinned += boneMatW * skinVertex * skinWeight.w;\n\ttransformed = ( bindMatrixInverse * skinned ).xyz;\n#endif",skinnormal_vertex:"#ifdef USE_SKINNING\n\tmat4 skinMatrix = mat4( 0.0 );\n\tskinMatrix += skinWeight.x * boneMatX;\n\tskinMatrix += skinWeight.y * boneMatY;\n\tskinMatrix += skinWeight.z * boneMatZ;\n\tskinMatrix += skinWeight.w * boneMatW;\n\tskinMatrix = bindMatrixInverse * skinMatrix * bindMatrix;\n\tobjectNormal = vec4( skinMatrix * vec4( objectNormal, 0.0 ) ).xyz;\n\t#ifdef USE_TANGENT\n\t\tobjectTangent = vec4( skinMatrix * vec4( objectTangent, 0.0 ) ).xyz;\n\t#endif\n#endif",specularmap_fragment:"float specularStrength;\n#ifdef USE_SPECULARMAP\n\tvec4 texelSpecular = texture2D( specularMap, vSpecularMapUv );\n\tspecularStrength = texelSpecular.r;\n#else\n\tspecularStrength = 1.0;\n#endif",specularmap_pars_fragment:"#ifdef USE_SPECULARMAP\n\tuniform sampler2D specularMap;\n#endif",tonemapping_fragment:"#if defined( TONE_MAPPING )\n\tgl_FragColor.rgb = toneMapping( gl_FragColor.rgb );\n#endif",tonemapping_pars_fragment:"#ifndef saturate\n#define saturate( a ) clamp( a, 0.0, 1.0 )\n#endif\nuniform float toneMappingExposure;\nvec3 LinearToneMapping( vec3 color ) {\n\treturn saturate( toneMappingExposure * color );\n}\nvec3 ReinhardToneMapping( vec3 color ) {\n\tcolor *= toneMappingExposure;\n\treturn saturate( color / ( vec3( 1.0 ) + color ) );\n}\nvec3 CineonToneMapping( vec3 color ) {\n\tcolor *= toneMappingExposure;\n\tcolor = max( vec3( 0.0 ), color - 0.004 );\n\treturn pow( ( color * ( 6.2 * color + 0.5 ) ) / ( color * ( 6.2 * color + 1.7 ) + 0.06 ), vec3( 2.2 ) );\n}\nvec3 RRTAndODTFit( vec3 v ) {\n\tvec3 a = v * ( v + 0.0245786 ) - 0.000090537;\n\tvec3 b = v * ( 0.983729 * v + 0.4329510 ) + 0.238081;\n\treturn a / b;\n}\nvec3 ACESFilmicToneMapping( vec3 color ) {\n\tconst mat3 ACESInputMat = mat3(\n\t\tvec3( 0.59719, 0.07600, 0.02840 ),\t\tvec3( 0.35458, 0.90834, 0.13383 ),\n\t\tvec3( 0.04823, 0.01566, 0.83777 )\n\t);\n\tconst mat3 ACESOutputMat = mat3(\n\t\tvec3( 1.60475, -0.10208, -0.00327 ),\t\tvec3( -0.53108, 1.10813, -0.07276 ),\n\t\tvec3( -0.07367, -0.00605, 1.07602 )\n\t);\n\tcolor *= toneMappingExposure / 0.6;\n\tcolor = ACESInputMat * color;\n\tcolor = RRTAndODTFit( color );\n\tcolor = ACESOutputMat * color;\n\treturn saturate( color );\n}\nconst mat3 LINEAR_REC2020_TO_LINEAR_SRGB = mat3(\n\tvec3( 1.6605, - 0.1246, - 0.0182 ),\n\tvec3( - 0.5876, 1.1329, - 0.1006 ),\n\tvec3( - 0.0728, - 0.0083, 1.1187 )\n);\nconst mat3 LINEAR_SRGB_TO_LINEAR_REC2020 = mat3(\n\tvec3( 0.6274, 0.0691, 0.0164 ),\n\tvec3( 0.3293, 0.9195, 0.0880 ),\n\tvec3( 0.0433, 0.0113, 0.8956 )\n);\nvec3 agxDefaultContrastApprox( vec3 x ) {\n\tvec3 x2 = x * x;\n\tvec3 x4 = x2 * x2;\n\treturn + 15.5 * x4 * x2\n\t\t- 40.14 * x4 * x\n\t\t+ 31.96 * x4\n\t\t- 6.868 * x2 * x\n\t\t+ 0.4298 * x2\n\t\t+ 0.1191 * x\n\t\t- 0.00232;\n}\nvec3 AgXToneMapping( vec3 color ) {\n\tconst mat3 AgXInsetMatrix = mat3(\n\t\tvec3( 0.856627153315983, 0.137318972929847, 0.11189821299995 ),\n\t\tvec3( 0.0951212405381588, 0.761241990602591, 0.0767994186031903 ),\n\t\tvec3( 0.0482516061458583, 0.101439036467562, 0.811302368396859 )\n\t);\n\tconst mat3 AgXOutsetMatrix = mat3(\n\t\tvec3( 1.1271005818144368, - 0.1413297634984383, - 0.14132976349843826 ),\n\t\tvec3( - 0.11060664309660323, 1.157823702216272, - 0.11060664309660294 ),\n\t\tvec3( - 0.016493938717834573, - 0.016493938717834257, 1.2519364065950405 )\n\t);\n\tconst float AgxMinEv = - 12.47393;\tconst float AgxMaxEv = 4.026069;\n\tcolor *= toneMappingExposure;\n\tcolor = LINEAR_SRGB_TO_LINEAR_REC2020 * color;\n\tcolor = AgXInsetMatrix * color;\n\tcolor = max( color, 1e-10 );\tcolor = log2( color );\n\tcolor = ( color - AgxMinEv ) / ( AgxMaxEv - AgxMinEv );\n\tcolor = clamp( color, 0.0, 1.0 );\n\tcolor = agxDefaultContrastApprox( color );\n\tcolor = AgXOutsetMatrix * color;\n\tcolor = pow( max( vec3( 0.0 ), color ), vec3( 2.2 ) );\n\tcolor = LINEAR_REC2020_TO_LINEAR_SRGB * color;\n\tcolor = clamp( color, 0.0, 1.0 );\n\treturn color;\n}\nvec3 NeutralToneMapping( vec3 color ) {\n\tconst float StartCompression = 0.8 - 0.04;\n\tconst float Desaturation = 0.15;\n\tcolor *= toneMappingExposure;\n\tfloat x = min( color.r, min( color.g, color.b ) );\n\tfloat offset = x < 0.08 ? x - 6.25 * x * x : 0.04;\n\tcolor -= offset;\n\tfloat peak = max( color.r, max( color.g, color.b ) );\n\tif ( peak < StartCompression ) return color;\n\tfloat d = 1. - StartCompression;\n\tfloat newPeak = 1. - d * d / ( peak + d - StartCompression );\n\tcolor *= newPeak / peak;\n\tfloat g = 1. - 1. / ( Desaturation * ( peak - newPeak ) + 1. );\n\treturn mix( color, vec3( newPeak ), g );\n}\nvec3 CustomToneMapping( vec3 color ) { return color; }",transmission_fragment:"#ifdef USE_TRANSMISSION\n\tmaterial.transmission = transmission;\n\tmaterial.transmissionAlpha = 1.0;\n\tmaterial.thickness = thickness;\n\tmaterial.attenuationDistance = attenuationDistance;\n\tmaterial.attenuationColor = attenuationColor;\n\t#ifdef USE_TRANSMISSIONMAP\n\t\tmaterial.transmission *= texture2D( transmissionMap, vTransmissionMapUv ).r;\n\t#endif\n\t#ifdef USE_THICKNESSMAP\n\t\tmaterial.thickness *= texture2D( thicknessMap, vThicknessMapUv ).g;\n\t#endif\n\tvec3 pos = vWorldPosition;\n\tvec3 v = normalize( cameraPosition - pos );\n\tvec3 n = transformNormalByInverseViewMatrix( normal, viewMatrix );\n\tvec4 transmitted = getIBLVolumeRefraction(\n\t\tn, v, material.roughness, material.diffuseContribution, material.specularColorBlended, material.specularF90,\n\t\tpos, modelMatrix, viewMatrix, projectionMatrix, material.dispersion, material.ior, material.thickness,\n\t\tmaterial.attenuationColor, material.attenuationDistance );\n\tmaterial.transmissionAlpha = mix( material.transmissionAlpha, transmitted.a, material.transmission );\n\ttotalDiffuse = mix( totalDiffuse, transmitted.rgb, material.transmission );\n#endif",transmission_pars_fragment:"#ifdef USE_TRANSMISSION\n\tuniform float transmission;\n\tuniform float thickness;\n\tuniform float attenuationDistance;\n\tuniform vec3 attenuationColor;\n\t#ifdef USE_TRANSMISSIONMAP\n\t\tuniform sampler2D transmissionMap;\n\t#endif\n\t#ifdef USE_THICKNESSMAP\n\t\tuniform sampler2D thicknessMap;\n\t#endif\n\tuniform vec2 transmissionSamplerSize;\n\tuniform sampler2D transmissionSamplerMap;\n\tuniform mat4 modelMatrix;\n\tuniform mat4 projectionMatrix;\n\tvarying vec3 vWorldPosition;\n\tfloat w0( float a ) {\n\t\treturn ( 1.0 / 6.0 ) * ( a * ( a * ( - a + 3.0 ) - 3.0 ) + 1.0 );\n\t}\n\tfloat w1( float a ) {\n\t\treturn ( 1.0 / 6.0 ) * ( a * a * ( 3.0 * a - 6.0 ) + 4.0 );\n\t}\n\tfloat w2( float a ){\n\t\treturn ( 1.0 / 6.0 ) * ( a * ( a * ( - 3.0 * a + 3.0 ) + 3.0 ) + 1.0 );\n\t}\n\tfloat w3( float a ) {\n\t\treturn ( 1.0 / 6.0 ) * ( a * a * a );\n\t}\n\tfloat g0( float a ) {\n\t\treturn w0( a ) + w1( a );\n\t}\n\tfloat g1( float a ) {\n\t\treturn w2( a ) + w3( a );\n\t}\n\tfloat h0( float a ) {\n\t\treturn - 1.0 + w1( a ) / ( w0( a ) + w1( a ) );\n\t}\n\tfloat h1( float a ) {\n\t\treturn 1.0 + w3( a ) / ( w2( a ) + w3( a ) );\n\t}\n\tvec4 bicubic( sampler2D tex, vec2 uv, vec4 texelSize, float lod ) {\n\t\tuv = uv * texelSize.zw + 0.5;\n\t\tvec2 iuv = floor( uv );\n\t\tvec2 fuv = fract( uv );\n\t\tfloat g0x = g0( fuv.x );\n\t\tfloat g1x = g1( fuv.x );\n\t\tfloat h0x = h0( fuv.x );\n\t\tfloat h1x = h1( fuv.x );\n\t\tfloat h0y = h0( fuv.y );\n\t\tfloat h1y = h1( fuv.y );\n\t\tvec2 p0 = ( vec2( iuv.x + h0x, iuv.y + h0y ) - 0.5 ) * texelSize.xy;\n\t\tvec2 p1 = ( vec2( iuv.x + h1x, iuv.y + h0y ) - 0.5 ) * texelSize.xy;\n\t\tvec2 p2 = ( vec2( iuv.x + h0x, iuv.y + h1y ) - 0.5 ) * texelSize.xy;\n\t\tvec2 p3 = ( vec2( iuv.x + h1x, iuv.y + h1y ) - 0.5 ) * texelSize.xy;\n\t\treturn g0( fuv.y ) * ( g0x * textureLod( tex, p0, lod ) + g1x * textureLod( tex, p1, lod ) ) +\n\t\t\tg1( fuv.y ) * ( g0x * textureLod( tex, p2, lod ) + g1x * textureLod( tex, p3, lod ) );\n\t}\n\tvec4 textureBicubic( sampler2D sampler, vec2 uv, float lod ) {\n\t\tvec2 fLodSize = vec2( textureSize( sampler, int( lod ) ) );\n\t\tvec2 cLodSize = vec2( textureSize( sampler, int( lod + 1.0 ) ) );\n\t\tvec2 fLodSizeInv = 1.0 / fLodSize;\n\t\tvec2 cLodSizeInv = 1.0 / cLodSize;\n\t\tvec4 fSample = bicubic( sampler, uv, vec4( fLodSizeInv, fLodSize ), floor( lod ) );\n\t\tvec4 cSample = bicubic( sampler, uv, vec4( cLodSizeInv, cLodSize ), ceil( lod ) );\n\t\treturn mix( fSample, cSample, fract( lod ) );\n\t}\n\tvec3 getVolumeTransmissionRay( const in vec3 n, const in vec3 v, const in float thickness, const in float ior, const in mat4 modelMatrix ) {\n\t\tvec3 refractionVector = refract( - v, normalize( n ), 1.0 / ior );\n\t\tvec3 modelScale;\n\t\tmodelScale.x = length( vec3( modelMatrix[ 0 ].xyz ) );\n\t\tmodelScale.y = length( vec3( modelMatrix[ 1 ].xyz ) );\n\t\tmodelScale.z = length( vec3( modelMatrix[ 2 ].xyz ) );\n\t\treturn normalize( refractionVector ) * thickness * modelScale;\n\t}\n\tfloat applyIorToRoughness( const in float roughness, const in float ior ) {\n\t\treturn roughness * clamp( ior * 2.0 - 2.0, 0.0, 1.0 );\n\t}\n\tvec4 getTransmissionSample( const in vec2 fragCoord, const in float roughness, const in float ior ) {\n\t\tfloat lod = log2( transmissionSamplerSize.x ) * applyIorToRoughness( roughness, ior );\n\t\treturn textureBicubic( transmissionSamplerMap, fragCoord.xy, lod );\n\t}\n\tvec3 volumeAttenuation( const in float transmissionDistance, const in vec3 attenuationColor, const in float attenuationDistance ) {\n\t\tif ( isinf( attenuationDistance ) ) {\n\t\t\treturn vec3( 1.0 );\n\t\t} else {\n\t\t\tvec3 attenuationCoefficient = -log( attenuationColor ) / attenuationDistance;\n\t\t\tvec3 transmittance = exp( - attenuationCoefficient * transmissionDistance );\t\t\treturn transmittance;\n\t\t}\n\t}\n\tvec4 getIBLVolumeRefraction( const in vec3 n, const in vec3 v, const in float roughness, const in vec3 diffuseColor,\n\t\tconst in vec3 specularColor, const in float specularF90, const in vec3 position, const in mat4 modelMatrix,\n\t\tconst in mat4 viewMatrix, const in mat4 projMatrix, const in float dispersion, const in float ior, const in float thickness,\n\t\tconst in vec3 attenuationColor, const in float attenuationDistance ) {\n\t\tvec4 transmittedLight;\n\t\tvec3 transmittance;\n\t\t#ifdef USE_DISPERSION\n\t\t\tfloat halfSpread = ( ior - 1.0 ) * 0.025 * dispersion;\n\t\t\tvec3 iors = vec3( ior - halfSpread, ior, ior + halfSpread );\n\t\t\tfor ( int i = 0; i < 3; i ++ ) {\n\t\t\t\tvec3 transmissionRay = getVolumeTransmissionRay( n, v, thickness, iors[ i ], modelMatrix );\n\t\t\t\tvec3 refractedRayExit = position + transmissionRay;\n\t\t\t\tvec4 ndcPos = projMatrix * viewMatrix * vec4( refractedRayExit, 1.0 );\n\t\t\t\tvec2 refractionCoords = ndcPos.xy / ndcPos.w;\n\t\t\t\trefractionCoords += 1.0;\n\t\t\t\trefractionCoords /= 2.0;\n\t\t\t\tvec4 transmissionSample = getTransmissionSample( refractionCoords, roughness, iors[ i ] );\n\t\t\t\ttransmittedLight[ i ] = transmissionSample[ i ];\n\t\t\t\ttransmittedLight.a += transmissionSample.a;\n\t\t\t\ttransmittance[ i ] = diffuseColor[ i ] * volumeAttenuation( length( transmissionRay ), attenuationColor, attenuationDistance )[ i ];\n\t\t\t}\n\t\t\ttransmittedLight.a /= 3.0;\n\t\t#else\n\t\t\tvec3 transmissionRay = getVolumeTransmissionRay( n, v, thickness, ior, modelMatrix );\n\t\t\tvec3 refractedRayExit = position + transmissionRay;\n\t\t\tvec4 ndcPos = projMatrix * viewMatrix * vec4( refractedRayExit, 1.0 );\n\t\t\tvec2 refractionCoords = ndcPos.xy / ndcPos.w;\n\t\t\trefractionCoords += 1.0;\n\t\t\trefractionCoords /= 2.0;\n\t\t\ttransmittedLight = getTransmissionSample( refractionCoords, roughness, ior );\n\t\t\ttransmittance = diffuseColor * volumeAttenuation( length( transmissionRay ), attenuationColor, attenuationDistance );\n\t\t#endif\n\t\tvec3 attenuatedColor = transmittance * transmittedLight.rgb;\n\t\tvec3 F = EnvironmentBRDF( n, v, specularColor, specularF90, roughness );\n\t\tfloat transmittanceFactor = ( transmittance.r + transmittance.g + transmittance.b ) / 3.0;\n\t\treturn vec4( ( 1.0 - F ) * attenuatedColor, 1.0 - ( 1.0 - transmittedLight.a ) * transmittanceFactor );\n\t}\n#endif",uv_pars_fragment:"#if defined( USE_UV ) || defined( USE_ANISOTROPY )\n\tvarying vec2 vUv;\n#endif\n#ifdef USE_MAP\n\tvarying vec2 vMapUv;\n#endif\n#ifdef USE_ALPHAMAP\n\tvarying vec2 vAlphaMapUv;\n#endif\n#ifdef USE_LIGHTMAP\n\tvarying vec2 vLightMapUv;\n#endif\n#ifdef USE_AOMAP\n\tvarying vec2 vAoMapUv;\n#endif\n#ifdef USE_BUMPMAP\n\tvarying vec2 vBumpMapUv;\n#endif\n#ifdef USE_NORMALMAP\n\tvarying vec2 vNormalMapUv;\n#endif\n#ifdef USE_EMISSIVEMAP\n\tvarying vec2 vEmissiveMapUv;\n#endif\n#ifdef USE_METALNESSMAP\n\tvarying vec2 vMetalnessMapUv;\n#endif\n#ifdef USE_ROUGHNESSMAP\n\tvarying vec2 vRoughnessMapUv;\n#endif\n#ifdef USE_ANISOTROPYMAP\n\tvarying vec2 vAnisotropyMapUv;\n#endif\n#ifdef USE_CLEARCOATMAP\n\tvarying vec2 vClearcoatMapUv;\n#endif\n#ifdef USE_CLEARCOAT_NORMALMAP\n\tvarying vec2 vClearcoatNormalMapUv;\n#endif\n#ifdef USE_CLEARCOAT_ROUGHNESSMAP\n\tvarying vec2 vClearcoatRoughnessMapUv;\n#endif\n#ifdef USE_IRIDESCENCEMAP\n\tvarying vec2 vIridescenceMapUv;\n#endif\n#ifdef USE_IRIDESCENCE_THICKNESSMAP\n\tvarying vec2 vIridescenceThicknessMapUv;\n#endif\n#ifdef USE_SHEEN_COLORMAP\n\tvarying vec2 vSheenColorMapUv;\n#endif\n#ifdef USE_SHEEN_ROUGHNESSMAP\n\tvarying vec2 vSheenRoughnessMapUv;\n#endif\n#ifdef USE_SPECULARMAP\n\tvarying vec2 vSpecularMapUv;\n#endif\n#ifdef USE_SPECULAR_COLORMAP\n\tvarying vec2 vSpecularColorMapUv;\n#endif\n#ifdef USE_SPECULAR_INTENSITYMAP\n\tvarying vec2 vSpecularIntensityMapUv;\n#endif\n#ifdef USE_TRANSMISSIONMAP\n\tuniform mat3 transmissionMapTransform;\n\tvarying vec2 vTransmissionMapUv;\n#endif\n#ifdef USE_THICKNESSMAP\n\tuniform mat3 thicknessMapTransform;\n\tvarying vec2 vThicknessMapUv;\n#endif",uv_pars_vertex:"#if defined( USE_UV ) || defined( USE_ANISOTROPY )\n\tvarying vec2 vUv;\n#endif\n#ifdef USE_MAP\n\tuniform mat3 mapTransform;\n\tvarying vec2 vMapUv;\n#endif\n#ifdef USE_ALPHAMAP\n\tuniform mat3 alphaMapTransform;\n\tvarying vec2 vAlphaMapUv;\n#endif\n#ifdef USE_LIGHTMAP\n\tuniform mat3 lightMapTransform;\n\tvarying vec2 vLightMapUv;\n#endif\n#ifdef USE_AOMAP\n\tuniform mat3 aoMapTransform;\n\tvarying vec2 vAoMapUv;\n#endif\n#ifdef USE_BUMPMAP\n\tuniform mat3 bumpMapTransform;\n\tvarying vec2 vBumpMapUv;\n#endif\n#ifdef USE_NORMALMAP\n\tuniform mat3 normalMapTransform;\n\tvarying vec2 vNormalMapUv;\n#endif\n#ifdef USE_DISPLACEMENTMAP\n\tuniform mat3 displacementMapTransform;\n\tvarying vec2 vDisplacementMapUv;\n#endif\n#ifdef USE_EMISSIVEMAP\n\tuniform mat3 emissiveMapTransform;\n\tvarying vec2 vEmissiveMapUv;\n#endif\n#ifdef USE_METALNESSMAP\n\tuniform mat3 metalnessMapTransform;\n\tvarying vec2 vMetalnessMapUv;\n#endif\n#ifdef USE_ROUGHNESSMAP\n\tuniform mat3 roughnessMapTransform;\n\tvarying vec2 vRoughnessMapUv;\n#endif\n#ifdef USE_ANISOTROPYMAP\n\tuniform mat3 anisotropyMapTransform;\n\tvarying vec2 vAnisotropyMapUv;\n#endif\n#ifdef USE_CLEARCOATMAP\n\tuniform mat3 clearcoatMapTransform;\n\tvarying vec2 vClearcoatMapUv;\n#endif\n#ifdef USE_CLEARCOAT_NORMALMAP\n\tuniform mat3 clearcoatNormalMapTransform;\n\tvarying vec2 vClearcoatNormalMapUv;\n#endif\n#ifdef USE_CLEARCOAT_ROUGHNESSMAP\n\tuniform mat3 clearcoatRoughnessMapTransform;\n\tvarying vec2 vClearcoatRoughnessMapUv;\n#endif\n#ifdef USE_SHEEN_COLORMAP\n\tuniform mat3 sheenColorMapTransform;\n\tvarying vec2 vSheenColorMapUv;\n#endif\n#ifdef USE_SHEEN_ROUGHNESSMAP\n\tuniform mat3 sheenRoughnessMapTransform;\n\tvarying vec2 vSheenRoughnessMapUv;\n#endif\n#ifdef USE_IRIDESCENCEMAP\n\tuniform mat3 iridescenceMapTransform;\n\tvarying vec2 vIridescenceMapUv;\n#endif\n#ifdef USE_IRIDESCENCE_THICKNESSMAP\n\tuniform mat3 iridescenceThicknessMapTransform;\n\tvarying vec2 vIridescenceThicknessMapUv;\n#endif\n#ifdef USE_SPECULARMAP\n\tuniform mat3 specularMapTransform;\n\tvarying vec2 vSpecularMapUv;\n#endif\n#ifdef USE_SPECULAR_COLORMAP\n\tuniform mat3 specularColorMapTransform;\n\tvarying vec2 vSpecularColorMapUv;\n#endif\n#ifdef USE_SPECULAR_INTENSITYMAP\n\tuniform mat3 specularIntensityMapTransform;\n\tvarying vec2 vSpecularIntensityMapUv;\n#endif\n#ifdef USE_TRANSMISSIONMAP\n\tuniform mat3 transmissionMapTransform;\n\tvarying vec2 vTransmissionMapUv;\n#endif\n#ifdef USE_THICKNESSMAP\n\tuniform mat3 thicknessMapTransform;\n\tvarying vec2 vThicknessMapUv;\n#endif",uv_vertex:"#if defined( USE_UV ) || defined( USE_ANISOTROPY )\n\tvUv = vec3( uv, 1 ).xy;\n#endif\n#ifdef USE_MAP\n\tvMapUv = ( mapTransform * vec3( MAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_ALPHAMAP\n\tvAlphaMapUv = ( alphaMapTransform * vec3( ALPHAMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_LIGHTMAP\n\tvLightMapUv = ( lightMapTransform * vec3( LIGHTMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_AOMAP\n\tvAoMapUv = ( aoMapTransform * vec3( AOMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_BUMPMAP\n\tvBumpMapUv = ( bumpMapTransform * vec3( BUMPMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_NORMALMAP\n\tvNormalMapUv = ( normalMapTransform * vec3( NORMALMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_DISPLACEMENTMAP\n\tvDisplacementMapUv = ( displacementMapTransform * vec3( DISPLACEMENTMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_EMISSIVEMAP\n\tvEmissiveMapUv = ( emissiveMapTransform * vec3( EMISSIVEMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_METALNESSMAP\n\tvMetalnessMapUv = ( metalnessMapTransform * vec3( METALNESSMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_ROUGHNESSMAP\n\tvRoughnessMapUv = ( roughnessMapTransform * vec3( ROUGHNESSMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_ANISOTROPYMAP\n\tvAnisotropyMapUv = ( anisotropyMapTransform * vec3( ANISOTROPYMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_CLEARCOATMAP\n\tvClearcoatMapUv = ( clearcoatMapTransform * vec3( CLEARCOATMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_CLEARCOAT_NORMALMAP\n\tvClearcoatNormalMapUv = ( clearcoatNormalMapTransform * vec3( CLEARCOAT_NORMALMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_CLEARCOAT_ROUGHNESSMAP\n\tvClearcoatRoughnessMapUv = ( clearcoatRoughnessMapTransform * vec3( CLEARCOAT_ROUGHNESSMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_IRIDESCENCEMAP\n\tvIridescenceMapUv = ( iridescenceMapTransform * vec3( IRIDESCENCEMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_IRIDESCENCE_THICKNESSMAP\n\tvIridescenceThicknessMapUv = ( iridescenceThicknessMapTransform * vec3( IRIDESCENCE_THICKNESSMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_SHEEN_COLORMAP\n\tvSheenColorMapUv = ( sheenColorMapTransform * vec3( SHEEN_COLORMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_SHEEN_ROUGHNESSMAP\n\tvSheenRoughnessMapUv = ( sheenRoughnessMapTransform * vec3( SHEEN_ROUGHNESSMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_SPECULARMAP\n\tvSpecularMapUv = ( specularMapTransform * vec3( SPECULARMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_SPECULAR_COLORMAP\n\tvSpecularColorMapUv = ( specularColorMapTransform * vec3( SPECULAR_COLORMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_SPECULAR_INTENSITYMAP\n\tvSpecularIntensityMapUv = ( specularIntensityMapTransform * vec3( SPECULAR_INTENSITYMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_TRANSMISSIONMAP\n\tvTransmissionMapUv = ( transmissionMapTransform * vec3( TRANSMISSIONMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_THICKNESSMAP\n\tvThicknessMapUv = ( thicknessMapTransform * vec3( THICKNESSMAP_UV, 1 ) ).xy;\n#endif",worldpos_vertex:"#if defined( USE_ENVMAP ) || defined( DISTANCE ) || defined ( USE_SHADOWMAP ) || defined ( USE_TRANSMISSION ) || NUM_SPOT_LIGHT_COORDS > 0\n\tvec4 worldPosition = vec4( transformed, 1.0 );\n\t#ifdef USE_BATCHING\n\t\tworldPosition = batchingMatrix * worldPosition;\n\t#endif\n\t#ifdef USE_INSTANCING\n\t\tworldPosition = instanceMatrix * worldPosition;\n\t#endif\n\tworldPosition = modelMatrix * worldPosition;\n#endif",background_vert:"varying vec2 vUv;\nuniform mat3 uvTransform;\nvoid main() {\n\tvUv = ( uvTransform * vec3( uv, 1 ) ).xy;\n\tgl_Position = vec4( position.xy, 1.0, 1.0 );\n}",background_frag:"uniform sampler2D t2D;\nuniform float backgroundIntensity;\nvarying vec2 vUv;\nvoid main() {\n\tvec4 texColor = texture2D( t2D, vUv );\n\t#ifdef DECODE_VIDEO_TEXTURE\n\t\ttexColor = vec4( mix( pow( texColor.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), texColor.rgb * 0.0773993808, vec3( lessThanEqual( texColor.rgb, vec3( 0.04045 ) ) ) ), texColor.w );\n\t#endif\n\ttexColor.rgb *= backgroundIntensity;\n\tgl_FragColor = texColor;\n\t#include \n\t#include \n}",backgroundCube_vert:"varying vec3 vWorldDirection;\n#include \nvoid main() {\n\tvWorldDirection = transformDirection( position, modelMatrix );\n\t#include \n\t#include \n\tgl_Position.z = gl_Position.w;\n}",backgroundCube_frag:"#ifdef ENVMAP_TYPE_CUBE\n\tuniform samplerCube envMap;\n#elif defined( ENVMAP_TYPE_CUBE_UV )\n\tuniform sampler2D envMap;\n#endif\nuniform float backgroundBlurriness;\nuniform float backgroundIntensity;\nuniform mat3 backgroundRotation;\nvarying vec3 vWorldDirection;\n#include \nvoid main() {\n\t#ifdef ENVMAP_TYPE_CUBE\n\t\tvec4 texColor = textureCube( envMap, backgroundRotation * vWorldDirection );\n\t#elif defined( ENVMAP_TYPE_CUBE_UV )\n\t\tvec4 texColor = textureCubeUV( envMap, backgroundRotation * vWorldDirection, backgroundBlurriness );\n\t#else\n\t\tvec4 texColor = vec4( 0.0, 0.0, 0.0, 1.0 );\n\t#endif\n\ttexColor.rgb *= backgroundIntensity;\n\tgl_FragColor = texColor;\n\t#include \n\t#include \n}",cube_vert:"varying vec3 vWorldDirection;\n#include \nvoid main() {\n\tvWorldDirection = transformDirection( position, modelMatrix );\n\t#include \n\t#include \n\tgl_Position.z = gl_Position.w;\n}",cube_frag:"uniform samplerCube tCube;\nuniform float tFlip;\nuniform float opacity;\nvarying vec3 vWorldDirection;\nvoid main() {\n\tvec4 texColor = textureCube( tCube, vec3( tFlip * vWorldDirection.x, vWorldDirection.yz ) );\n\tgl_FragColor = texColor;\n\tgl_FragColor.a *= opacity;\n\t#include \n\t#include \n}",depth_vert:"#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvarying vec2 vHighPrecisionZW;\nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#ifdef USE_DISPLACEMENTMAP\n\t\t#include \n\t\t#include \n\t\t#include \n\t#endif\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvHighPrecisionZW = gl_Position.zw;\n}",depth_frag:"#if DEPTH_PACKING == 3200\n\tuniform float opacity;\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvarying vec2 vHighPrecisionZW;\nvoid main() {\n\tvec4 diffuseColor = vec4( 1.0 );\n\t#include \n\t#if DEPTH_PACKING == 3200\n\t\tdiffuseColor.a = opacity;\n\t#endif\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#ifdef USE_REVERSED_DEPTH_BUFFER\n\t\tfloat fragCoordZ = vHighPrecisionZW[ 0 ] / vHighPrecisionZW[ 1 ];\n\t#else\n\t\tfloat fragCoordZ = 0.5 * vHighPrecisionZW[ 0 ] / vHighPrecisionZW[ 1 ] + 0.5;\n\t#endif\n\t#if DEPTH_PACKING == 3200\n\t\tgl_FragColor = vec4( vec3( 1.0 - fragCoordZ ), opacity );\n\t#elif DEPTH_PACKING == 3201\n\t\tgl_FragColor = packDepthToRGBA( fragCoordZ );\n\t#elif DEPTH_PACKING == 3202\n\t\tgl_FragColor = vec4( packDepthToRGB( fragCoordZ ), 1.0 );\n\t#elif DEPTH_PACKING == 3203\n\t\tgl_FragColor = vec4( packDepthToRG( fragCoordZ ), 0.0, 1.0 );\n\t#endif\n}",distance_vert:"#define DISTANCE\nvarying vec3 vWorldPosition;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#ifdef USE_DISPLACEMENTMAP\n\t\t#include \n\t\t#include \n\t\t#include \n\t#endif\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvWorldPosition = worldPosition.xyz;\n}",distance_frag:"#define DISTANCE\nuniform vec3 referencePosition;\nuniform float nearDistance;\nuniform float farDistance;\nvarying vec3 vWorldPosition;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\tvec4 diffuseColor = vec4( 1.0 );\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tfloat dist = length( vWorldPosition - referencePosition );\n\tdist = ( dist - nearDistance ) / ( farDistance - nearDistance );\n\tdist = saturate( dist );\n\tgl_FragColor = vec4( dist, 0.0, 0.0, 1.0 );\n}",equirect_vert:"varying vec3 vWorldDirection;\n#include \nvoid main() {\n\tvWorldDirection = transformDirection( position, modelMatrix );\n\t#include \n\t#include \n}",equirect_frag:"uniform sampler2D tEquirect;\nvarying vec3 vWorldDirection;\n#include \nvoid main() {\n\tvec3 direction = normalize( vWorldDirection );\n\tvec2 sampleUV = equirectUv( direction );\n\tgl_FragColor = texture2D( tEquirect, sampleUV );\n\t#include \n\t#include \n}",linedashed_vert:"uniform float scale;\nattribute float lineDistance;\nvarying float vLineDistance;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\tvLineDistance = scale * lineDistance;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}",linedashed_frag:"uniform vec3 diffuse;\nuniform float opacity;\nuniform float dashSize;\nuniform float totalSize;\nvarying float vLineDistance;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include \n\tif ( mod( vLineDistance, totalSize ) > dashSize ) {\n\t\tdiscard;\n\t}\n\tvec3 outgoingLight = vec3( 0.0 );\n\t#include \n\t#include \n\t#include \n\toutgoingLight = diffuseColor.rgb;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}",meshbasic_vert:"#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#if defined ( USE_ENVMAP ) || defined ( USE_SKINNING )\n\t\t#include \n\t\t#include \n\t\t#include \n\t\t#include \n\t\t#include \n\t#endif\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}",meshbasic_frag:"uniform vec3 diffuse;\nuniform float opacity;\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\t#ifdef USE_LIGHTMAP\n\t\tvec4 lightMapTexel = texture2D( lightMap, vLightMapUv );\n\t\treflectedLight.indirectDiffuse += lightMapTexel.rgb * lightMapIntensity * RECIPROCAL_PI;\n\t#else\n\t\treflectedLight.indirectDiffuse += vec3( 1.0 );\n\t#endif\n\t#include \n\treflectedLight.indirectDiffuse *= diffuseColor.rgb;\n\tvec3 outgoingLight = reflectedLight.indirectDiffuse;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}",meshlambert_vert:"#define LAMBERT\nvarying vec3 vViewPosition;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvViewPosition = - mvPosition.xyz;\n\t#include \n\t#include \n\t#include \n\t#include \n}",meshlambert_frag:"#define LAMBERT\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform float opacity;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include \n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + totalEmissiveRadiance;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}",meshmatcap_vert:"#define MATCAP\nvarying vec3 vViewPosition;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvViewPosition = - mvPosition.xyz;\n}",meshmatcap_frag:"#define MATCAP\nuniform vec3 diffuse;\nuniform float opacity;\nuniform sampler2D matcap;\nvarying vec3 vViewPosition;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvec3 viewDir = normalize( vViewPosition );\n\tvec3 x = normalize( vec3( viewDir.z, 0.0, - viewDir.x ) );\n\tvec3 y = cross( viewDir, x );\n\tvec2 uv = vec2( dot( x, normal ), dot( y, normal ) ) * 0.495 + 0.5;\n\t#ifdef USE_MATCAP\n\t\tvec4 matcapColor = texture2D( matcap, uv );\n\t#else\n\t\tvec4 matcapColor = vec4( vec3( mix( 0.2, 0.8, uv.y ) ), 1.0 );\n\t#endif\n\tvec3 outgoingLight = diffuseColor.rgb * matcapColor.rgb;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}",meshnormal_vert:"#define NORMAL\n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP_TANGENTSPACE )\n\tvarying vec3 vViewPosition;\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP_TANGENTSPACE )\n\tvViewPosition = - mvPosition.xyz;\n#endif\n}",meshnormal_frag:"#define NORMAL\nuniform float opacity;\n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP_TANGENTSPACE )\n\tvarying vec3 vViewPosition;\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\tvec4 diffuseColor = vec4( 0.0, 0.0, 0.0, opacity );\n\t#include \n\t#include \n\t#include \n\t#include \n\tgl_FragColor = vec4( normalize( normal ) * 0.5 + 0.5, diffuseColor.a );\n\t#ifdef OPAQUE\n\t\tgl_FragColor.a = 1.0;\n\t#endif\n}",meshphong_vert:"#define PHONG\nvarying vec3 vViewPosition;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvViewPosition = - mvPosition.xyz;\n\t#include \n\t#include \n\t#include \n\t#include \n}",meshphong_frag:"#define PHONG\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform vec3 specular;\nuniform float shininess;\nuniform float opacity;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include \n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + reflectedLight.directSpecular + reflectedLight.indirectSpecular + totalEmissiveRadiance;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}",meshphysical_vert:"#define STANDARD\nvarying vec3 vViewPosition;\n#ifdef USE_TRANSMISSION\n\tvarying vec3 vWorldPosition;\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvViewPosition = - mvPosition.xyz;\n\t#include \n\t#include \n\t#include \n#ifdef USE_TRANSMISSION\n\tvWorldPosition = worldPosition.xyz;\n#endif\n}",meshphysical_frag:"#define STANDARD\n#ifdef PHYSICAL\n\t#define IOR\n\t#define USE_SPECULAR\n#endif\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform float roughness;\nuniform float metalness;\nuniform float opacity;\n#ifdef IOR\n\tuniform float ior;\n#endif\n#ifdef USE_SPECULAR\n\tuniform float specularIntensity;\n\tuniform vec3 specularColor;\n\t#ifdef USE_SPECULAR_COLORMAP\n\t\tuniform sampler2D specularColorMap;\n\t#endif\n\t#ifdef USE_SPECULAR_INTENSITYMAP\n\t\tuniform sampler2D specularIntensityMap;\n\t#endif\n#endif\n#ifdef USE_CLEARCOAT\n\tuniform float clearcoat;\n\tuniform float clearcoatRoughness;\n#endif\n#ifdef USE_DISPERSION\n\tuniform float dispersion;\n#endif\n#ifdef USE_IRIDESCENCE\n\tuniform float iridescence;\n\tuniform float iridescenceIOR;\n\tuniform float iridescenceThicknessMinimum;\n\tuniform float iridescenceThicknessMaximum;\n#endif\n#ifdef USE_SHEEN\n\tuniform vec3 sheenColor;\n\tuniform float sheenRoughness;\n\t#ifdef USE_SHEEN_COLORMAP\n\t\tuniform sampler2D sheenColorMap;\n\t#endif\n\t#ifdef USE_SHEEN_ROUGHNESSMAP\n\t\tuniform sampler2D sheenRoughnessMap;\n\t#endif\n#endif\n#ifdef USE_ANISOTROPY\n\tuniform vec2 anisotropyVector;\n\t#ifdef USE_ANISOTROPYMAP\n\t\tuniform sampler2D anisotropyMap;\n\t#endif\n#endif\nvarying vec3 vViewPosition;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include \n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = 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\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}",meshtoon_vert:"#define TOON\nvarying vec3 vViewPosition;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvViewPosition = - mvPosition.xyz;\n\t#include \n\t#include \n\t#include \n}",meshtoon_frag:"#define TOON\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform float opacity;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\tvec4 diffuseColor = vec4( diffuse, opacity 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l=!0===n.logarithmicDepthBuffer,c=!0===n.reversedDepthBuffer&&t.has("EXT_clip_control");!0===n.reversedDepthBuffer&&!1===c&&v("WebGLRenderer: Unable to use reversed depth buffer due to missing EXT_clip_control extension. Fallback to default depth buffer.");return{isWebGL2:!0,getMaxAnisotropy:function(){if(void 0!==r)return r;if(!0===t.has("EXT_texture_filter_anisotropic")){const n=t.get("EXT_texture_filter_anisotropic");r=e.getParameter(n.MAX_TEXTURE_MAX_ANISOTROPY_EXT)}else r=0;return r},getMaxPrecision:a,textureFormatReadable:function(t){return t===T||i.convert(t)===e.getParameter(e.IMPLEMENTATION_COLOR_READ_FORMAT)},textureTypeReadable:function(n){const r=n===E&&(t.has("EXT_color_buffer_half_float")||t.has("EXT_color_buffer_float"));return!(n!==S&&i.convert(n)!==e.getParameter(e.IMPLEMENTATION_COLOR_READ_TYPE)&&n!==M&&!r)},precision:o,logarithmicDepthBuffer:l,reversedDepthBuffer:c,maxTextures:e.getParameter(e.MAX_TEXTURE_IMAGE_UNITS),maxVertexTextures:e.getParameter(e.MAX_VERTEX_TEXTURE_IMAGE_UNITS),maxTextureSize:e.getParameter(e.MAX_TEXTURE_SIZE),maxCubemapSize:e.getParameter(e.MAX_CUBE_MAP_TEXTURE_SIZE),maxAttributes:e.getParameter(e.MAX_VERTEX_ATTRIBS),maxVertexUniforms:e.getParameter(e.MAX_VERTEX_UNIFORM_VECTORS),maxVaryings:e.getParameter(e.MAX_VARYING_VECTORS),maxFragmentUniforms:e.getParameter(e.MAX_FRAGMENT_UNIFORM_VECTORS),maxSamples:e.getParameter(e.MAX_SAMPLES),samples:e.getParameter(e.SAMPLES)}}function qn(t){const n=this;let i=null,r=0,a=!1,o=!1;const s=new x,l=new e,c={value:null,needsUpdate:!1};function d(e,t,i,r){const a=null!==e?e.length:0;let o=null;if(0!==a){if(o=c.value,!0!==r||null===o){const n=i+4*a,r=t.matrixWorldInverse;l.getNormalMatrix(r),(null===o||o.length0);n.numPlanes=r,n.numIntersection=0}();else{const e=o?0:r,t=4*e;let n=m.clippingState||null;c.value=n,n=d(u,s,t,l);for(let e=0;e!==t;++e)n[e]=i[e];m.clippingState=n,this.numIntersection=f?this.numPlanes:0,this.numPlanes+=e}}}zn.set(-1,0,0,0,1,0,0,0,1);const jn=[.125,.215,.35,.446,.526,.582],Zn=20,$n=new C,Qn=new n;let Jn=null,ei=0,ti=0,ni=!1;const ii=new i;class ri{constructor(e){this._renderer=e,this._pingPongRenderTarget=null,this._lodMax=0,this._cubeSize=0,this._sizeLods=[],this._sigmas=[],this._lodMeshes=[],this._backgroundBox=null,this._cubemapMaterial=null,this._equirectMaterial=null,this._blurMaterial=null,this._ggxMaterial=null}fromScene(e,t=0,n=.1,i=100,r={}){const{size:a=256,position:o=ii}=r;Jn=this._renderer.getRenderTarget(),ei=this._renderer.getActiveCubeFace(),ti=this._renderer.getActiveMipmapLevel(),ni=this._renderer.xr.enabled,this._renderer.xr.enabled=!1,this._setSize(a);const s=this._allocateTargets();return s.depthBuffer=!0,this._sceneToCubeUV(e,n,i,s,o),t>0&&this._blur(s,0,0,t),this._applyPMREM(s),this._cleanup(s),s}fromEquirectangular(e,t=null){return this._fromTexture(e,t)}fromCubemap(e,t=null){return this._fromTexture(e,t)}compileCubemapShader(){null===this._cubemapMaterial&&(this._cubemapMaterial=li(),this._compileMaterial(this._cubemapMaterial))}compileEquirectangularShader(){null===this._equirectMaterial&&(this._equirectMaterial=si(),this._compileMaterial(this._equirectMaterial))}dispose(){this._dispose(),null!==this._cubemapMaterial&&this._cubemapMaterial.dispose(),null!==this._equirectMaterial&&this._equirectMaterial.dispose(),null!==this._backgroundBox&&(this._backgroundBox.geometry.dispose(),this._backgroundBox.material.dispose())}_setSize(e){this._lodMax=Math.floor(Math.log2(e)),this._cubeSize=Math.pow(2,this._lodMax)}_dispose(){null!==this._blurMaterial&&this._blurMaterial.dispose(),null!==this._ggxMaterial&&this._ggxMaterial.dispose(),null!==this._pingPongRenderTarget&&this._pingPongRenderTarget.dispose();for(let e=0;ee-4?l=jn[s-e+4-1]:0===s&&(l=0),n.push(l);const c=1/(a-2),d=-c,u=1+c,f=[d,d,u,d,u,u,d,d,u,u,d,u],p=6,m=6,h=3,_=2,g=1,v=new Float32Array(h*m*p),E=new Float32Array(_*m*p),S=new Float32Array(g*m*p);for(let e=0;e2?0:-1,i=[t,n,0,t+2/3,n,0,t+2/3,n+1,0,t,n,0,t+2/3,n+1,0,t,n+1,0];v.set(i,h*m*e),E.set(f,_*m*e);const r=[e,e,e,e,e,e];S.set(r,g*m*e)}const M=new b;M.setAttribute("position",new N(v,h)),M.setAttribute("uv",new N(E,_)),M.setAttribute("faceIndex",new N(S,g)),i.push(new o(M,null)),r>4&&r--}return{lodMeshes:i,sizeLods:t,sigmas:n}}(r)),this._blurMaterial=function(e,t,n){const r=new Float32Array(Zn),a=new i(0,1,0),o=new l({name:"SphericalGaussianBlur",defines:{n:Zn,CUBEUV_TEXEL_WIDTH:1/t,CUBEUV_TEXEL_HEIGHT:1/n,CUBEUV_MAX_MIP:`${e}.0`},uniforms:{envMap:{value:null},samples:{value:1},weights:{value:r},latitudinal:{value:!1},dTheta:{value:0},mipInt:{value:0},poleAxis:{value:a}},vertexShader:ci(),fragmentShader:"\n\n\t\t\tprecision mediump float;\n\t\t\tprecision mediump int;\n\n\t\t\tvarying vec3 vOutputDirection;\n\n\t\t\tuniform sampler2D envMap;\n\t\t\tuniform int samples;\n\t\t\tuniform float weights[ n ];\n\t\t\tuniform bool latitudinal;\n\t\t\tuniform float dTheta;\n\t\t\tuniform float mipInt;\n\t\t\tuniform vec3 poleAxis;\n\n\t\t\t#define ENVMAP_TYPE_CUBE_UV\n\t\t\t#include \n\n\t\t\tvec3 getSample( float theta, vec3 axis ) {\n\n\t\t\t\tfloat cosTheta = cos( theta );\n\t\t\t\t// Rodrigues' axis-angle rotation\n\t\t\t\tvec3 sampleDirection = vOutputDirection * cosTheta\n\t\t\t\t\t+ cross( axis, vOutputDirection ) * sin( theta )\n\t\t\t\t\t+ axis * dot( axis, vOutputDirection ) * ( 1.0 - cosTheta );\n\n\t\t\t\treturn bilinearCubeUV( envMap, sampleDirection, mipInt );\n\n\t\t\t}\n\n\t\t\tvoid main() {\n\n\t\t\t\tvec3 axis = latitudinal ? poleAxis : cross( poleAxis, vOutputDirection );\n\n\t\t\t\tif ( all( equal( axis, vec3( 0.0 ) ) ) ) {\n\n\t\t\t\t\taxis = vec3( vOutputDirection.z, 0.0, - vOutputDirection.x );\n\n\t\t\t\t}\n\n\t\t\t\taxis = normalize( axis );\n\n\t\t\t\tgl_FragColor = vec4( 0.0, 0.0, 0.0, 1.0 );\n\t\t\t\tgl_FragColor.rgb += weights[ 0 ] * getSample( 0.0, axis );\n\n\t\t\t\tfor ( int i = 1; i < n; i++ ) {\n\n\t\t\t\t\tif ( i >= samples ) {\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tfloat theta = dTheta * float( i );\n\t\t\t\t\tgl_FragColor.rgb += weights[ i ] * getSample( -1.0 * theta, axis );\n\t\t\t\t\tgl_FragColor.rgb += weights[ i ] * getSample( theta, axis );\n\n\t\t\t\t}\n\n\t\t\t}\n\t\t",blending:w,depthTest:!1,depthWrite:!1});return o}(r,e,t),this._ggxMaterial=function(e,t,n){const i=new l({name:"PMREMGGXConvolution",defines:{GGX_SAMPLES:256,CUBEUV_TEXEL_WIDTH:1/t,CUBEUV_TEXEL_HEIGHT:1/n,CUBEUV_MAX_MIP:`${e}.0`},uniforms:{envMap:{value:null},roughness:{value:0},mipInt:{value:0}},vertexShader:ci(),fragmentShader:'\n\n\t\t\tprecision highp float;\n\t\t\tprecision highp int;\n\n\t\t\tvarying vec3 vOutputDirection;\n\n\t\t\tuniform sampler2D envMap;\n\t\t\tuniform float roughness;\n\t\t\tuniform float mipInt;\n\n\t\t\t#define ENVMAP_TYPE_CUBE_UV\n\t\t\t#include \n\n\t\t\t#define PI 3.14159265359\n\n\t\t\t// Van der Corput radical inverse\n\t\t\tfloat radicalInverse_VdC(uint bits) {\n\t\t\t\tbits = (bits << 16u) | (bits >> 16u);\n\t\t\t\tbits = ((bits & 0x55555555u) << 1u) | ((bits & 0xAAAAAAAAu) >> 1u);\n\t\t\t\tbits = ((bits & 0x33333333u) << 2u) | ((bits & 0xCCCCCCCCu) >> 2u);\n\t\t\t\tbits = ((bits & 0x0F0F0F0Fu) << 4u) | ((bits & 0xF0F0F0F0u) >> 4u);\n\t\t\t\tbits = ((bits & 0x00FF00FFu) << 8u) | ((bits & 0xFF00FF00u) >> 8u);\n\t\t\t\treturn float(bits) * 2.3283064365386963e-10; // / 0x100000000\n\t\t\t}\n\n\t\t\t// Hammersley sequence\n\t\t\tvec2 hammersley(uint i, uint N) {\n\t\t\t\treturn vec2(float(i) / float(N), radicalInverse_VdC(i));\n\t\t\t}\n\n\t\t\t// GGX VNDF importance sampling (Eric Heitz 2018)\n\t\t\t// "Sampling the GGX Distribution of Visible Normals"\n\t\t\t// https://jcgt.org/published/0007/04/01/\n\t\t\tvec3 importanceSampleGGX_VNDF(vec2 Xi, vec3 V, float roughness) {\n\t\t\t\tfloat alpha = roughness * roughness;\n\n\t\t\t\t// Section 4.1: Orthonormal basis\n\t\t\t\tvec3 T1 = vec3(1.0, 0.0, 0.0);\n\t\t\t\tvec3 T2 = cross(V, T1);\n\n\t\t\t\t// Section 4.2: Parameterization of projected area\n\t\t\t\tfloat r = sqrt(Xi.x);\n\t\t\t\tfloat phi = 2.0 * PI * Xi.y;\n\t\t\t\tfloat t1 = r * cos(phi);\n\t\t\t\tfloat t2 = r * sin(phi);\n\t\t\t\tfloat s = 0.5 * (1.0 + V.z);\n\t\t\t\tt2 = (1.0 - s) * sqrt(1.0 - t1 * t1) + s * t2;\n\n\t\t\t\t// Section 4.3: Reprojection onto hemisphere\n\t\t\t\tvec3 Nh = t1 * T1 + t2 * T2 + sqrt(max(0.0, 1.0 - t1 * t1 - t2 * t2)) * V;\n\n\t\t\t\t// Section 3.4: Transform back to ellipsoid configuration\n\t\t\t\treturn normalize(vec3(alpha * Nh.x, alpha * Nh.y, max(0.0, Nh.z)));\n\t\t\t}\n\n\t\t\tvoid main() {\n\t\t\t\tvec3 N = normalize(vOutputDirection);\n\t\t\t\tvec3 V = N; // Assume view direction equals normal for pre-filtering\n\n\t\t\t\tvec3 prefilteredColor = vec3(0.0);\n\t\t\t\tfloat totalWeight = 0.0;\n\n\t\t\t\t// For very low roughness, just sample the environment directly\n\t\t\t\tif (roughness < 0.001) {\n\t\t\t\t\tgl_FragColor = vec4(bilinearCubeUV(envMap, N, mipInt), 1.0);\n\t\t\t\t\treturn;\n\t\t\t\t}\n\n\t\t\t\t// Tangent space basis for VNDF sampling\n\t\t\t\tvec3 up = abs(N.z) < 0.999 ? vec3(0.0, 0.0, 1.0) : vec3(1.0, 0.0, 0.0);\n\t\t\t\tvec3 tangent = normalize(cross(up, N));\n\t\t\t\tvec3 bitangent = cross(N, tangent);\n\n\t\t\t\tfor(uint i = 0u; i < uint(GGX_SAMPLES); i++) {\n\t\t\t\t\tvec2 Xi = hammersley(i, uint(GGX_SAMPLES));\n\n\t\t\t\t\t// For PMREM, V = N, so in tangent space V is always (0, 0, 1)\n\t\t\t\t\tvec3 H_tangent = importanceSampleGGX_VNDF(Xi, vec3(0.0, 0.0, 1.0), roughness);\n\n\t\t\t\t\t// Transform H back to world space\n\t\t\t\t\tvec3 H = normalize(tangent * H_tangent.x + bitangent * H_tangent.y + N * H_tangent.z);\n\t\t\t\t\tvec3 L = normalize(2.0 * dot(V, H) * H - V);\n\n\t\t\t\t\tfloat NdotL = max(dot(N, L), 0.0);\n\n\t\t\t\t\tif(NdotL > 0.0) {\n\t\t\t\t\t\t// Sample environment at fixed mip level\n\t\t\t\t\t\t// VNDF importance sampling handles the distribution filtering\n\t\t\t\t\t\tvec3 sampleColor = bilinearCubeUV(envMap, L, mipInt);\n\n\t\t\t\t\t\t// Weight by NdotL for the split-sum approximation\n\t\t\t\t\t\t// VNDF PDF naturally accounts for the visible microfacet distribution\n\t\t\t\t\t\tprefilteredColor += sampleColor * NdotL;\n\t\t\t\t\t\ttotalWeight += NdotL;\n\t\t\t\t\t}\n\t\t\t\t}\n\n\t\t\t\tif (totalWeight > 0.0) {\n\t\t\t\t\tprefilteredColor = prefilteredColor / totalWeight;\n\t\t\t\t}\n\n\t\t\t\tgl_FragColor = vec4(prefilteredColor, 1.0);\n\t\t\t}\n\t\t',blending:w,depthTest:!1,depthWrite:!1});return i}(r,e,t)}return r}_compileMaterial(e){const t=new o(new b,e);this._renderer.compile(t,$n)}_sceneToCubeUV(e,t,n,i,r){const a=new P(90,1,t,n),l=[1,-1,1,1,1,1],d=[1,1,1,-1,-1,-1],u=this._renderer,f=u.autoClear,p=u.toneMapping;u.getClearColor(Qn),u.toneMapping=L,u.autoClear=!1;u.state.buffers.depth.getReversed()&&(u.setRenderTarget(i),u.clearDepth(),u.setRenderTarget(null)),null===this._backgroundBox&&(this._backgroundBox=new o(new s,new U({name:"PMREM.Background",side:c,depthWrite:!1,depthTest:!1})));const m=this._backgroundBox,h=m.material;let _=!1;const g=e.background;g?g.isColor&&(h.color.copy(g),e.background=null,_=!0):(h.color.copy(Qn),_=!0);for(let t=0;t<6;t++){const n=t%3;0===n?(a.up.set(0,l[t],0),a.position.set(r.x,r.y,r.z),a.lookAt(r.x+d[t],r.y,r.z)):1===n?(a.up.set(0,0,l[t]),a.position.set(r.x,r.y,r.z),a.lookAt(r.x,r.y+d[t],r.z)):(a.up.set(0,l[t],0),a.position.set(r.x,r.y,r.z),a.lookAt(r.x,r.y,r.z+d[t]));const o=this._cubeSize;oi(i,n*o,t>2?o:0,o,o),u.setRenderTarget(i),_&&u.render(m,a),u.render(e,a)}u.toneMapping=p,u.autoClear=f,e.background=g}_textureToCubeUV(e,t){const n=this._renderer,i=e.mapping===R||e.mapping===A;i?(null===this._cubemapMaterial&&(this._cubemapMaterial=li()),this._cubemapMaterial.uniforms.flipEnvMap.value=!1===e.isRenderTargetTexture?-1:1):null===this._equirectMaterial&&(this._equirectMaterial=si());const r=i?this._cubemapMaterial:this._equirectMaterial,a=this._lodMeshes[0];a.material=r;r.uniforms.envMap.value=e;const o=this._cubeSize;oi(t,0,0,3*o,2*o),n.setRenderTarget(t),n.render(a,$n)}_applyPMREM(e){const t=this._renderer,n=t.autoClear;t.autoClear=!1;const i=this._lodMeshes.length;for(let t=1;tu-4?n-u+4:0),m=4*(this._cubeSize-f);s.envMap.value=e.texture,s.roughness.value=d,s.mipInt.value=u-t,oi(r,p,m,3*f,2*f),i.setRenderTarget(r),i.render(o,$n),s.envMap.value=r.texture,s.roughness.value=0,s.mipInt.value=u-n,oi(e,p,m,3*f,2*f),i.setRenderTarget(e),i.render(o,$n)}_blur(e,t,n,i,r){const a=this._pingPongRenderTarget;this._halfBlur(e,a,t,n,i,"latitudinal",r),this._halfBlur(a,e,n,n,i,"longitudinal",r)}_halfBlur(e,t,n,i,r,a,o){const s=this._renderer,l=this._blurMaterial;"latitudinal"!==a&&"longitudinal"!==a&&D("blur direction must be either latitudinal or longitudinal!");const c=this._lodMeshes[i];c.material=l;const d=l.uniforms,u=this._sizeLods[n]-1,f=isFinite(r)?Math.PI/(2*u):2*Math.PI/39,p=r/f,m=isFinite(r)?1+Math.floor(3*p):Zn;m>Zn&&v(`sigmaRadians, ${r}, is too large and will clip, as it requested ${m} samples when the maximum is set to 20`);const h=[];let _=0;for(let e=0;eg-4?i-g+4:0),4*(this._cubeSize-E),3*E,2*E),s.setRenderTarget(t),s.render(c,$n)}}function ai(e,t,n){const i=new I(e,t,n);return i.texture.mapping=a,i.texture.name="PMREM.cubeUv",i.scissorTest=!0,i}function oi(e,t,n,i,r){e.viewport.set(t,n,i,r),e.scissor.set(t,n,i,r)}function si(){return new l({name:"EquirectangularToCubeUV",uniforms:{envMap:{value:null}},vertexShader:ci(),fragmentShader:"\n\n\t\t\tprecision mediump float;\n\t\t\tprecision mediump int;\n\n\t\t\tvarying vec3 vOutputDirection;\n\n\t\t\tuniform sampler2D envMap;\n\n\t\t\t#include \n\n\t\t\tvoid main() {\n\n\t\t\t\tvec3 outputDirection = normalize( vOutputDirection );\n\t\t\t\tvec2 uv = equirectUv( outputDirection );\n\n\t\t\t\tgl_FragColor = vec4( texture2D ( envMap, uv ).rgb, 1.0 );\n\n\t\t\t}\n\t\t",blending:w,depthTest:!1,depthWrite:!1})}function li(){return new l({name:"CubemapToCubeUV",uniforms:{envMap:{value:null},flipEnvMap:{value:-1}},vertexShader:ci(),fragmentShader:"\n\n\t\t\tprecision mediump float;\n\t\t\tprecision mediump int;\n\n\t\t\tuniform float flipEnvMap;\n\n\t\t\tvarying vec3 vOutputDirection;\n\n\t\t\tuniform samplerCube envMap;\n\n\t\t\tvoid main() {\n\n\t\t\t\tgl_FragColor = textureCube( envMap, vec3( flipEnvMap * vOutputDirection.x, vOutputDirection.yz ) );\n\n\t\t\t}\n\t\t",blending:w,depthTest:!1,depthWrite:!1})}function ci(){return"\n\n\t\tprecision mediump float;\n\t\tprecision mediump int;\n\n\t\tattribute float faceIndex;\n\n\t\tvarying vec3 vOutputDirection;\n\n\t\t// RH coordinate system; PMREM face-indexing convention\n\t\tvec3 getDirection( vec2 uv, float face ) {\n\n\t\t\tuv = 2.0 * uv - 1.0;\n\n\t\t\tvec3 direction = vec3( uv, 1.0 );\n\n\t\t\tif ( face == 0.0 ) {\n\n\t\t\t\tdirection = direction.zyx; // ( 1, v, u ) pos x\n\n\t\t\t} else if ( face == 1.0 ) {\n\n\t\t\t\tdirection = direction.xzy;\n\t\t\t\tdirection.xz *= -1.0; // ( -u, 1, -v ) pos y\n\n\t\t\t} else if ( face == 2.0 ) {\n\n\t\t\t\tdirection.x *= -1.0; // ( -u, v, 1 ) pos z\n\n\t\t\t} else if ( face == 3.0 ) {\n\n\t\t\t\tdirection = direction.zyx;\n\t\t\t\tdirection.xz *= -1.0; // ( -1, v, -u ) neg x\n\n\t\t\t} else if ( face == 4.0 ) {\n\n\t\t\t\tdirection = direction.xzy;\n\t\t\t\tdirection.xy *= -1.0; // ( -u, -1, v ) neg y\n\n\t\t\t} else if ( face == 5.0 ) {\n\n\t\t\t\tdirection.z *= -1.0; // ( u, v, -1 ) neg z\n\n\t\t\t}\n\n\t\t\treturn direction;\n\n\t\t}\n\n\t\tvoid main() {\n\n\t\t\tvOutputDirection = getDirection( uv, faceIndex );\n\t\t\tgl_Position = vec4( position, 1.0 );\n\n\t\t}\n\t"}class di extends I{constructor(e=1,t={}){super(e,e,t),this.isWebGLCubeRenderTarget=!0;const n={width:e,height:e,depth:1},i=[n,n,n,n,n,n];this.texture=new F(i),this._setTextureOptions(t),this.texture.isRenderTargetTexture=!0}fromEquirectangularTexture(e,t){this.texture.type=t.type,this.texture.colorSpace=t.colorSpace,this.texture.generateMipmaps=t.generateMipmaps,this.texture.minFilter=t.minFilter,this.texture.magFilter=t.magFilter;const n={uniforms:{tEquirect:{value:null}},vertexShader:"\n\n\t\t\t\tvarying vec3 vWorldDirection;\n\n\t\t\t\tvec3 transformDirection( in vec3 dir, in mat4 matrix ) {\n\n\t\t\t\t\treturn normalize( ( matrix * vec4( dir, 0.0 ) ).xyz );\n\n\t\t\t\t}\n\n\t\t\t\tvoid main() {\n\n\t\t\t\t\tvWorldDirection = transformDirection( position, modelMatrix );\n\n\t\t\t\t\t#include \n\t\t\t\t\t#include \n\n\t\t\t\t}\n\t\t\t",fragmentShader:"\n\n\t\t\t\tuniform sampler2D tEquirect;\n\n\t\t\t\tvarying vec3 vWorldDirection;\n\n\t\t\t\t#include \n\n\t\t\t\tvoid main() {\n\n\t\t\t\t\tvec3 direction = normalize( vWorldDirection );\n\n\t\t\t\t\tvec2 sampleUV = equirectUv( direction );\n\n\t\t\t\t\tgl_FragColor = texture2D( tEquirect, sampleUV );\n\n\t\t\t\t}\n\t\t\t"},i=new s(5,5,5),r=new l({name:"CubemapFromEquirect",uniforms:d(n.uniforms),vertexShader:n.vertexShader,fragmentShader:n.fragmentShader,side:c,blending:w});r.uniforms.tEquirect.value=t;const a=new o(i,r),u=t.minFilter;t.minFilter===B&&(t.minFilter=O);return new G(1,10,this).update(e,a),t.minFilter=u,a.geometry.dispose(),a.material.dispose(),this}clear(e,t=!0,n=!0,i=!0){const r=e.getRenderTarget();for(let r=0;r<6;r++)e.setRenderTarget(this,r),e.clear(t,n,i);e.setRenderTarget(r)}}function ui(e){let t=new WeakMap,n=new WeakMap,i=null;function r(e,t){return t===H?e.mapping=R:t===V&&(e.mapping=A),e}function a(e){const n=e.target;n.removeEventListener("dispose",a);const i=t.get(n);void 0!==i&&(t.delete(n),i.dispose())}function o(e){const t=e.target;t.removeEventListener("dispose",o);const i=n.get(t);void 0!==i&&(n.delete(t),i.dispose())}return{get:function(s,l=!1){return null==s?null:l?function(t){if(t&&t.isTexture){const 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L(t,i,a,o,s){if(!1===t.visible)return;if(t.layers.test(i.layers)&&(t.isMesh||t.isLine||t.isPoints)&&(t.castShadow||t.receiveShadow&&s===le)&&(!t.frustumCulled||r.intersectsObject(t))){t.modelViewMatrix.multiplyMatrices(a.matrixWorldInverse,t.matrixWorld);const r=n.update(t),l=t.material;if(Array.isArray(l)){const n=r.groups;for(let c=0,d=n.length;ce.needsUpdate=!0):e.material.needsUpdate=!0)});for(let o=0,l=t.length;om||a.y>m)&&(a.x>m&&(s.x=Math.floor(m/p.x),a.x=s.x*p.x,c.mapSize.x=s.x),a.y>m&&(s.y=Math.floor(m/p.y),a.y=s.y*p.y,c.mapSize.y=s.y));const h=e.state.buffers.depth.getReversed();if(c.camera._reversedDepth=h,null===c.map||!0===f){if(null!==c.map&&(null!==c.map.depthTexture&&(c.map.depthTexture.dispose(),c.map.depthTexture=null),c.map.dispose()),this.type===le){if(l.isPointLight){v("WebGLShadowMap: VSM shadow maps are not supported for PointLights. 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t=0;t<_;t++){if(c.map.isWebGLCubeRenderTarget)e.setRenderTarget(c.map,t),e.clear();else{0===t&&(e.setRenderTarget(c.map),e.clear());const n=c.getViewport(t);d.set(s.x*n.x,s.y*n.y,s.x*n.z,s.y*n.w),u.viewport(d)}if(l.isPointLight){const e=c.camera,n=c.matrix,i=l.distance||e.far;i!==e.far&&(e.far=i,e.updateProjectionMatrix()),ma.setFromMatrixPosition(l.matrixWorld),e.position.copy(ma),ha.copy(e.position),ha.add(ua[t]),e.up.copy(fa[t]),e.lookAt(ha),e.updateMatrixWorld(),n.makeTranslation(-ma.x,-ma.y,-ma.z),pa.multiplyMatrices(e.projectionMatrix,e.matrixWorldInverse),c._frustum.setFromProjectionMatrix(pa,e.coordinateSystem,e.reversedDepth)}else c.updateMatrices(l);r=c.getFrustum(),L(n,i,c.camera,l,this.type)}!0!==c.isPointLightShadow&&this.type===le&&C(c,i),c.needsUpdate=!1}A=this.type,R.needsUpdate=!1,e.setRenderTarget(o,l,c)}}function ga(e,t){const i=new function(){let t=!1;const n=new K;let i=null;const r=new K(0,0,0,0);return{setMask:function(n){i===n||t||(e.colorMask(n,n,n,n),i=n)},setLocked:function(e){t=e},setClear:function(t,i,a,o,s){!0===s&&(t*=o,i*=o,a*=o),n.set(t,i,a,o),!1===r.equals(n)&&(e.clearColor(t,i,a,o),r.copy(n))},reset:function(){t=!1,i=null,r.set(-1,0,0,0)}}},r=new function(){let n=!1,i=!1,r=null,a=null,o=null;return{setReversed:function(e){if(i!==e){const n=t.get("EXT_clip_control");e?n.clipControlEXT(n.LOWER_LEFT_EXT,n.ZERO_TO_ONE_EXT):n.clipControlEXT(n.LOWER_LEFT_EXT,n.NEGATIVE_ONE_TO_ONE_EXT),i=e;const r=o;o=null,this.setClear(r)}},getReversed:function(){return i},setTest:function(t){t?X(e.DEPTH_TEST):Y(e.DEPTH_TEST)},setMask:function(t){r===t||n||(e.depthMask(t),r=t)},setFunc:function(t){if(i&&(t=dt[t]),a!==t){switch(t){case nt:e.depthFunc(e.NEVER);break;case tt:e.depthFunc(e.ALWAYS);break;case et:e.depthFunc(e.LESS);break;case De:e.depthFunc(e.LEQUAL);break;case Je:e.depthFunc(e.EQUAL);break;case Qe:e.depthFunc(e.GEQUAL);break;case $e:e.depthFunc(e.GREATER);break;case Ze:e.depthFunc(e.NOTEQUAL);break;default:e.depthFunc(e.LEQUAL)}a=t}},setLocked:function(e){n=e},setClear:function(t){o!==t&&(o=t,i&&(t=1-t),e.clearDepth(t))},reset:function(){n=!1,r=null,a=null,o=null,i=!1}}},a=new function(){let t=!1,n=null,i=null,r=null,a=null,o=null,s=null,l=null,c=null;return{setTest:function(n){t||(n?X(e.STENCIL_TEST):Y(e.STENCIL_TEST))},setMask:function(i){n===i||t||(e.stencilMask(i),n=i)},setFunc:function(t,n,o){i===t&&r===n&&a===o||(e.stencilFunc(t,n,o),i=t,r=n,a=o)},setOp:function(t,n,i){o===t&&s===n&&l===i||(e.stencilOp(t,n,i),o=t,s=n,l=i)},setLocked:function(e){t=e},setClear:function(t){c!==t&&(e.clearStencil(t),c=t)},reset:function(){t=!1,n=null,i=null,r=null,a=null,o=null,s=null,l=null,c=null}}},o=new WeakMap,s=new WeakMap;let l={},d={},u={},f=new WeakMap,p=[],m=null,h=!1,_=null,g=null,v=null,E=null,S=null,M=null,T=null,x=new n(0,0,0),R=0,A=!1,b=null,C=null,P=null,L=null,U=null;const I=e.getParameter(e.MAX_COMBINED_TEXTURE_IMAGE_UNITS);let N=!1,y=0;const O=e.getParameter(e.VERSION);-1!==O.indexOf("WebGL")?(y=parseFloat(/^WebGL (\d)/.exec(O)[1]),N=y>=1):-1!==O.indexOf("OpenGL ES")&&(y=parseFloat(/^OpenGL ES (\d)/.exec(O)[1]),N=y>=2);let F=null,B={};const G=e.getParameter(e.SCISSOR_BOX),H=e.getParameter(e.VIEWPORT),V=(new K).fromArray(G),W=(new K).fromArray(H);function z(t,n,i,r){const a=new Uint8Array(4),o=e.createTexture();e.bindTexture(t,o),e.texParameteri(t,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(t,e.TEXTURE_MAG_FILTER,e.NEAREST);for(let o=0;on||r.height>n)&&(i=n/Math.max(r.width,r.height)),i<1){if("undefined"!=typeof HTMLImageElement&&e instanceof HTMLImageElement||"undefined"!=typeof HTMLCanvasElement&&e instanceof HTMLCanvasElement||"undefined"!=typeof ImageBitmap&&e instanceof ImageBitmap||"undefined"!=typeof VideoFrame&&e instanceof VideoFrame){const n=Math.floor(i*r.width),a=Math.floor(i*r.height);void 0===h&&(h=E(n,a));const o=t?E(n,a):h;o.width=n,o.height=a;return o.getContext("2d").drawImage(e,0,0,n,a),v("WebGLRenderer: Texture has been resized from ("+r.width+"x"+r.height+") to ("+n+"x"+a+")."),o}return"data"in e&&v("WebGLRenderer: Image in DataTexture is too big ("+r.width+"x"+r.height+")."),e}return e}function R(e){return e.generateMipmaps}function A(t){e.generateMipmap(t)}function b(t){return t.isWebGLCubeRenderTarget?e.TEXTURE_CUBE_MAP:t.isWebGL3DRenderTarget?e.TEXTURE_3D:t.isWebGLArrayRenderTarget||t.isCompressedArrayTexture?e.TEXTURE_2D_ARRAY:e.TEXTURE_2D}function C(t,i,r,a,o,s=!1){if(null!==t){if(void 0!==e[t])return e[t];v("WebGLRenderer: Attempt to use non-existing WebGL internal format '"+t+"'")}let l;a&&(l=n.get("EXT_texture_norm16"),l||v("WebGLRenderer: Unable to use normalized textures without EXT_texture_norm16 extension"));let c=i;if(i===e.RED&&(r===e.FLOAT&&(c=e.R32F),r===e.HALF_FLOAT&&(c=e.R16F),r===e.UNSIGNED_BYTE&&(c=e.R8),r===e.UNSIGNED_SHORT&&l&&(c=l.R16_EXT),r===e.SHORT&&l&&(c=l.R16_SNORM_EXT)),i===e.RED_INTEGER&&(r===e.UNSIGNED_BYTE&&(c=e.R8UI),r===e.UNSIGNED_SHORT&&(c=e.R16UI),r===e.UNSIGNED_INT&&(c=e.R32UI),r===e.BYTE&&(c=e.R8I),r===e.SHORT&&(c=e.R16I),r===e.INT&&(c=e.R32I)),i===e.RG&&(r===e.FLOAT&&(c=e.RG32F),r===e.HALF_FLOAT&&(c=e.RG16F),r===e.UNSIGNED_BYTE&&(c=e.RG8),r===e.UNSIGNED_SHORT&&l&&(c=l.RG16_EXT),r===e.SHORT&&l&&(c=l.RG16_SNORM_EXT)),i===e.RG_INTEGER&&(r===e.UNSIGNED_BYTE&&(c=e.RG8UI),r===e.UNSIGNED_SHORT&&(c=e.RG16UI),r===e.UNSIGNED_INT&&(c=e.RG32UI),r===e.BYTE&&(c=e.RG8I),r===e.SHORT&&(c=e.RG16I),r===e.INT&&(c=e.RG32I)),i===e.RGB_INTEGER&&(r===e.UNSIGNED_BYTE&&(c=e.RGB8UI),r===e.UNSIGNED_SHORT&&(c=e.RGB16UI),r===e.UNSIGNED_INT&&(c=e.RGB32UI),r===e.BYTE&&(c=e.RGB8I),r===e.SHORT&&(c=e.RGB16I),r===e.INT&&(c=e.RGB32I)),i===e.RGBA_INTEGER&&(r===e.UNSIGNED_BYTE&&(c=e.RGBA8UI),r===e.UNSIGNED_SHORT&&(c=e.RGBA16UI),r===e.UNSIGNED_INT&&(c=e.RGBA32UI),r===e.BYTE&&(c=e.RGBA8I),r===e.SHORT&&(c=e.RGBA16I),r===e.INT&&(c=e.RGBA32I)),i===e.RGB&&(r===e.UNSIGNED_SHORT&&l&&(c=l.RGB16_EXT),r===e.SHORT&&l&&(c=l.RGB16_SNORM_EXT),r===e.UNSIGNED_INT_5_9_9_9_REV&&(c=e.RGB9_E5),r===e.UNSIGNED_INT_10F_11F_11F_REV&&(c=e.R11F_G11F_B10F)),i===e.RGBA){const t=s?pe:f.getTransfer(o);r===e.FLOAT&&(c=e.RGBA32F),r===e.HALF_FLOAT&&(c=e.RGBA16F),r===e.UNSIGNED_BYTE&&(c=t===p?e.SRGB8_ALPHA8:e.RGBA8),r===e.UNSIGNED_SHORT&&l&&(c=l.RGBA16_EXT),r===e.SHORT&&l&&(c=l.RGBA16_SNORM_EXT),r===e.UNSIGNED_SHORT_4_4_4_4&&(c=e.RGBA4),r===e.UNSIGNED_SHORT_5_5_5_1&&(c=e.RGB5_A1)}return c!==e.R16F&&c!==e.R32F&&c!==e.RG16F&&c!==e.RG32F&&c!==e.RGBA16F&&c!==e.RGBA32F||n.get("EXT_color_buffer_float"),c}function P(t,n){let i;return t?null===n||n===Le||n===Pt?i=e.DEPTH24_STENCIL8:n===M?i=e.DEPTH32F_STENCIL8:n===Lt&&(i=e.DEPTH24_STENCIL8,v("DepthTexture: 16 bit depth attachment is not supported with stencil. 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OES_texture_float_linear not supported on this device."),e.texParameteri(t,e.TEXTURE_WRAP_S,G[i.wrapS]),e.texParameteri(t,e.TEXTURE_WRAP_T,G[i.wrapT]),t!==e.TEXTURE_3D&&t!==e.TEXTURE_2D_ARRAY||e.texParameteri(t,e.TEXTURE_WRAP_R,G[i.wrapR]),e.texParameteri(t,e.TEXTURE_MAG_FILTER,H[i.magFilter]),e.texParameteri(t,e.TEXTURE_MIN_FILTER,H[i.minFilter]),i.compareFunction&&(e.texParameteri(t,e.TEXTURE_COMPARE_MODE,e.COMPARE_REF_TO_TEXTURE),e.texParameteri(t,e.TEXTURE_COMPARE_FUNC,V[i.compareFunction])),!0===n.has("EXT_texture_filter_anisotropic")){if(i.magFilter===Ce)return;if(i.minFilter!==gt&&i.minFilter!==B)return;if(i.type===M&&!1===n.has("OES_texture_float_linear"))return;if(i.anisotropy>1||r.get(i).__currentAnisotropy){const o=n.get("EXT_texture_filter_anisotropic");e.texParameterf(t,o.TEXTURE_MAX_ANISOTROPY_EXT,Math.min(i.anisotropy,a.getMaxAnisotropy())),r.get(i).__currentAnisotropy=i.anisotropy}}}function z(t,n){let i=!1;void 0===t.__webglInit&&(t.__webglInit=!0,n.addEventListener("dispose",U));const r=n.source;let a=_.get(r);void 0===a&&(a={},_.set(r,a));const o=function(e){const t=[];return t.push(e.wrapS),t.push(e.wrapT),t.push(e.wrapR||0),t.push(e.magFilter),t.push(e.minFilter),t.push(e.anisotropy),t.push(e.internalFormat),t.push(e.format),t.push(e.type),t.push(e.generateMipmaps),t.push(e.premultiplyAlpha),t.push(e.flipY),t.push(e.unpackAlignment),t.push(e.colorSpace),t.join()}(n);if(o!==t.__cacheKey){void 0===a[o]&&(a[o]={texture:e.createTexture(),usedTimes:0},s.memory.textures++,i=!0),a[o].usedTimes++;const r=a[t.__cacheKey];void 0!==r&&(a[t.__cacheKey].usedTimes--,0===r.usedTimes&&I(n)),t.__cacheKey=o,t.__webglTexture=a[o].texture}return i}function k(e,t,n){return Math.floor(Math.floor(e/n)/t)}function X(t,n,s){let l=e.TEXTURE_2D;(n.isDataArrayTexture||n.isCompressedArrayTexture)&&(l=e.TEXTURE_2D_ARRAY),n.isData3DTexture&&(l=e.TEXTURE_3D);const c=z(t,n),d=n.source;i.bindTexture(l,t.__webglTexture,e.TEXTURE0+s);const u=r.get(d);if(d.version!==u.__version||!0===c){i.activeTexture(e.TEXTURE0+s);if(!1===("undefined"!=typeof ImageBitmap&&n.image instanceof ImageBitmap)){const t=f.getPrimaries(f.workingColorSpace),r=n.colorSpace===At?null:f.getPrimaries(n.colorSpace),a=n.colorSpace===At||t===r?e.NONE:e.BROWSER_DEFAULT_WEBGL;i.pixelStorei(e.UNPACK_FLIP_Y_WEBGL,n.flipY),i.pixelStorei(e.UNPACK_PREMULTIPLY_ALPHA_WEBGL,n.premultiplyAlpha),i.pixelStorei(e.UNPACK_COLORSPACE_CONVERSION_WEBGL,a)}i.pixelStorei(e.UNPACK_ALIGNMENT,n.unpackAlignment);let t=x(n.image,!1,a.maxTextureSize);t=ee(n,t);const r=o.convert(n.format,n.colorSpace),p=o.convert(n.type);let h,_=C(n.internalFormat,r,p,n.normalized,n.colorSpace,n.isVideoTexture);W(l,n);const g=n.mipmaps,E=!0!==n.isVideoTexture,S=void 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W(e,t){null===t?e.matrixWorld.copy(e.matrix):e.matrixWorld.multiplyMatrices(t.matrixWorld,e.matrix),e.matrixWorldInverse.copy(e.matrixWorld).invert()}this.updateCamera=function(e){if(null===a)return;let t=e.near,n=e.far;null!==g.texture&&(g.depthNear>0&&(t=g.depthNear),g.depthFar>0&&(n=g.depthFar)),N.near=D.near=U.near=t,N.far=D.far=U.far=n,y===N.near&&O===N.far||(a.updateRenderState({depthNear:N.near,depthFar:N.far}),y=N.near,O=N.far),N.layers.mask=6|e.layers.mask,U.layers.mask=-5&N.layers.mask,D.layers.mask=-3&N.layers.mask;const i=e.parent,r=N.cameras;W(N,i);for(let e=0;e0&&(e.alphaTest.value=i.alphaTest);const r=t.get(i),a=r.envMap,o=r.envMapRotation;a&&(e.envMap.value=a,e.envMapRotation.value.setFromMatrix4(Ta.makeRotationFromEuler(o)).transpose(),a.isCubeTexture&&!1===a.isRenderTargetTexture&&e.envMapRotation.value.premultiply(xa),e.reflectivity.value=i.reflectivity,e.ior.value=i.ior,e.refractionRatio.value=i.refractionRatio),i.lightMap&&(e.lightMap.value=i.lightMap,e.lightMapIntensity.value=i.lightMapIntensity,n(i.lightMap,e.lightMapTransform)),i.aoMap&&(e.aoMap.value=i.aoMap,e.aoMapIntensity.value=i.aoMapIntensity,n(i.aoMap,e.aoMapTransform))}return{refreshFogUniforms:function(t,n){n.color.getRGB(t.fogColor.value,_(e)),n.isFog?(t.fogNear.value=n.near,t.fogFar.value=n.far):n.isFogExp2&&(t.fogDensity.value=n.density)},refreshMaterialUniforms:function(e,r,a,o,s){r.isNodeMaterial?r.uniformsNeedUpdate=!1:r.isMeshBasicMaterial?i(e,r):r.isMeshLambertMaterial?(i(e,r),r.envMap&&(e.envMapIntensity.value=r.envMapIntensity)):r.isMeshToonMaterial?(i(e,r),function(e,t){t.gradientMap&&(e.gradientMap.value=t.gradientMap)}(e,r)):r.isMeshPhongMaterial?(i(e,r),function(e,t){e.specular.value.copy(t.specular),e.shininess.value=Math.max(t.shininess,1e-4)}(e,r),r.envMap&&(e.envMapIntensity.value=r.envMapIntensity)):r.isMeshStandardMaterial?(i(e,r),function(e,t){e.metalness.value=t.metalness,t.metalnessMap&&(e.metalnessMap.value=t.metalnessMap,n(t.metalnessMap,e.metalnessMapTransform));e.roughness.value=t.roughness,t.roughnessMap&&(e.roughnessMap.value=t.roughnessMap,n(t.roughnessMap,e.roughnessMapTransform));t.envMap&&(e.envMapIntensity.value=t.envMapIntensity)}(e,r),r.isMeshPhysicalMaterial&&function(e,t,i){e.ior.value=t.ior,t.sheen>0&&(e.sheenColor.value.copy(t.sheenColor).multiplyScalar(t.sheen),e.sheenRoughness.value=t.sheenRoughness,t.sheenColorMap&&(e.sheenColorMap.value=t.sheenColorMap,n(t.sheenColorMap,e.sheenColorMapTransform)),t.sheenRoughnessMap&&(e.sheenRoughnessMap.value=t.sheenRoughnessMap,n(t.sheenRoughnessMap,e.sheenRoughnessMapTransform)));t.clearcoat>0&&(e.clearcoat.value=t.clearcoat,e.clearcoatRoughness.value=t.clearcoatRoughness,t.clearcoatMap&&(e.clearcoatMap.value=t.clearcoatMap,n(t.clearcoatMap,e.clearcoatMapTransform)),t.clearcoatRoughnessMap&&(e.clearcoatRoughnessMap.value=t.clearcoatRoughnessMap,n(t.clearcoatRoughnessMap,e.clearcoatRoughnessMapTransform)),t.clearcoatNormalMap&&(e.clearcoatNormalMap.value=t.clearcoatNormalMap,n(t.clearcoatNormalMap,e.clearcoatNormalMapTransform),e.clearcoatNormalScale.value.copy(t.clearcoatNormalScale),t.side===c&&e.clearcoatNormalScale.value.negate()));t.dispersion>0&&(e.dispersion.value=t.dispersion);t.iridescence>0&&(e.iridescence.value=t.iridescence,e.iridescenceIOR.value=t.iridescenceIOR,e.iridescenceThicknessMinimum.value=t.iridescenceThicknessRange[0],e.iridescenceThicknessMaximum.value=t.iridescenceThicknessRange[1],t.iridescenceMap&&(e.iridescenceMap.value=t.iridescenceMap,n(t.iridescenceMap,e.iridescenceMapTransform)),t.iridescenceThicknessMap&&(e.iridescenceThicknessMap.value=t.iridescenceThicknessMap,n(t.iridescenceThicknessMap,e.iridescenceThicknessMapTransform)));t.transmission>0&&(e.transmission.value=t.transmission,e.transmissionSamplerMap.value=i.texture,e.transmissionSamplerSize.value.set(i.width,i.height),t.transmissionMap&&(e.transmissionMap.value=t.transmissionMap,n(t.transmissionMap,e.transmissionMapTransform)),e.thickness.value=t.thickness,t.thicknessMap&&(e.thicknessMap.value=t.thicknessMap,n(t.thicknessMap,e.thicknessMapTransform)),e.attenuationDistance.value=t.attenuationDistance,e.attenuationColor.value.copy(t.attenuationColor));t.anisotropy>0&&(e.anisotropyVector.value.set(t.anisotropy*Math.cos(t.anisotropyRotation),t.anisotropy*Math.sin(t.anisotropyRotation)),t.anisotropyMap&&(e.anisotropyMap.value=t.anisotropyMap,n(t.anisotropyMap,e.anisotropyMapTransform)));e.specularIntensity.value=t.specularIntensity,e.specularColor.value.copy(t.specularColor),t.specularColorMap&&(e.specularColorMap.value=t.specularColorMap,n(t.specularColorMap,e.specularColorMapTransform));t.specularIntensityMap&&(e.specularIntensityMap.value=t.specularIntensityMap,n(t.specularIntensityMap,e.specularIntensityMapTransform))}(e,r,s)):r.isMeshMatcapMaterial?(i(e,r),function(e,t){t.matcap&&(e.matcap.value=t.matcap)}(e,r)):r.isMeshDepthMaterial?i(e,r):r.isMeshDistanceMaterial?(i(e,r),function(e,n){const i=t.get(n).light;e.referencePosition.value.setFromMatrixPosition(i.matrixWorld),e.nearDistance.value=i.shadow.camera.near,e.farDistance.value=i.shadow.camera.far}(e,r)):r.isMeshNormalMaterial?i(e,r):r.isLineBasicMaterial?(function(e,t){e.diffuse.value.copy(t.color),e.opacity.value=t.opacity,t.map&&(e.map.value=t.map,n(t.map,e.mapTransform))}(e,r),r.isLineDashedMaterial&&function(e,t){e.dashSize.value=t.dashSize,e.totalSize.value=t.dashSize+t.gapSize,e.scale.value=t.scale}(e,r)):r.isPointsMaterial?function(e,t,i,r){e.diffuse.value.copy(t.color),e.opacity.value=t.opacity,e.size.value=t.size*i,e.scale.value=.5*r,t.map&&(e.map.value=t.map,n(t.map,e.uvTransform));t.alphaMap&&(e.alphaMap.value=t.alphaMap,n(t.alphaMap,e.alphaMapTransform));t.alphaTest>0&&(e.alphaTest.value=t.alphaTest)}(e,r,a,o):r.isSpriteMaterial?function(e,t){e.diffuse.value.copy(t.color),e.opacity.value=t.opacity,e.rotation.value=t.rotation,t.map&&(e.map.value=t.map,n(t.map,e.mapTransform));t.alphaMap&&(e.alphaMap.value=t.alphaMap,n(t.alphaMap,e.alphaMapTransform));t.alphaTest>0&&(e.alphaTest.value=t.alphaTest)}(e,r):r.isShadowMaterial?(e.color.value.copy(r.color),e.opacity.value=r.opacity):r.isShaderMaterial&&(r.uniformsNeedUpdate=!1)}}}function Aa(e,t,n,i){let r={},a={},o=[];const s=e.getParameter(e.MAX_UNIFORM_BUFFER_BINDINGS);function l(t,n,i,r){if(!0===function(e,t,n,i){const r=e.value,a=t+"_"+n;if(void 0===i[a])return"number"==typeof r||"boolean"==typeof r?i[a]=r:ArrayBuffer.isView(r)?i[a]=r.slice():i[a]=r.clone(),!0;{const e=i[a];if("number"==typeof r||"boolean"==typeof r){if(e!==r)return i[a]=r,!0}else{if(ArrayBuffer.isView(r))return!0;if(!1===e.equals(r))return e.copy(r),!0}}return!1}(t,n,i,r)){const n=t.__offset,i=t.value;if(Array.isArray(i)){let e=0;for(let n=0;n0&&(n+=i-r);e.__size=n,e.__cache={}}(n),f=function(t){const n=function(){for(let e=0;e0),p=!!n.morphAttributes.position,m=!!n.morphAttributes.normal,h=!!n.morphAttributes.color;let _=L;i.toneMapped&&(null!==q&&!0!==q.isXRRenderTarget||(_=G.toneMapping));const g=n.morphAttributes.position||n.morphAttributes.normal||n.morphAttributes.color,v=void 0!==g?g.length:0,S=Ae.get(i),M=w.state.lights;if(!0===ue&&(!0===fe||e!==Z)){const t=e===Z&&i.id===j;Fe.setState(i,e,t)}let T=!1;i.version===S.__version?S.needsLights&&S.lightsStateVersion!==M.state.version||S.outputColorSpace!==s||r.isBatchedMesh&&!1===S.batching?T=!0:r.isBatchedMesh||!0!==S.batching?r.isBatchedMesh&&!0===S.batchingColor&&null===r.colorTexture||r.isBatchedMesh&&!1===S.batchingColor&&null!==r.colorTexture||r.isInstancedMesh&&!1===S.instancing?T=!0:r.isInstancedMesh||!0!==S.instancing?r.isSkinnedMesh&&!1===S.skinning?T=!0:r.isSkinnedMesh||!0!==S.skinning?r.isInstancedMesh&&!0===S.instancingColor&&null===r.instanceColor||r.isInstancedMesh&&!1===S.instancingColor&&null!==r.instanceColor||r.isInstancedMesh&&!0===S.instancingMorph&&null===r.morphTexture||r.isInstancedMesh&&!1===S.instancingMorph&&null!==r.morphTexture||S.envMap!==c||!0===i.fog&&S.fog!==a?T=!0:void 0===S.numClippingPlanes||S.numClippingPlanes===Fe.numPlanes&&S.numIntersection===Fe.numIntersection?(S.vertexAlphas!==d||S.vertexTangents!==u||S.morphTargets!==p||S.morphNormals!==m||S.morphColors!==h||S.toneMapping!==_||S.morphTargetsCount!==v||!!S.lightProbeGrid!=w.state.lightProbeGridArray.length>0)&&(T=!0):T=!0:T=!0:T=!0:T=!0:(T=!0,S.__version=i.version);let x=S.currentProgram;!0===T&&(x=dt(i,t,r),V&&i.isNodeMaterial&&V.onUpdateProgram(i,x,S));let R=!1,A=!1,b=!1;const C=x.getUniforms(),U=S.uniforms;xe.useProgram(x.program)&&(R=!0,A=!0,b=!0);i.id!==j&&(j=i.id,A=!0);if(S.needsLights){const e=function(e,t){if(0===e.length)return null;if(1===e.length)return null!==e[0].texture?e[0]:null;P.setFromMatrixPosition(t.matrixWorld);for(let t=0,n=e.length;t0&&C.setValue(Ke,"directionalShadowMap",M.state.directionalShadowMap,be),M.state.spotShadowMap.length>0&&C.setValue(Ke,"spotShadowMap",M.state.spotShadowMap,be),M.state.pointShadowMap.length>0&&C.setValue(Ke,"pointShadowMap",M.state.pointShadowMap,be));if(r.isSkinnedMesh){C.setOptional(Ke,r,"bindMatrix"),C.setOptional(Ke,r,"bindMatrixInverse");const e=r.skeleton;e&&(null===e.boneTexture&&e.computeBoneTexture(),C.setValue(Ke,"boneTexture",e.boneTexture,be))}r.isBatchedMesh&&(C.setOptional(Ke,r,"batchingTexture"),C.setValue(Ke,"batchingTexture",r._matricesTexture,be),C.setOptional(Ke,r,"batchingIdTexture"),C.setValue(Ke,"batchingIdTexture",r._indirectTexture,be),C.setOptional(Ke,r,"batchingColorTexture"),null!==r._colorsTexture&&C.setValue(Ke,"batchingColorTexture",r._colorsTexture,be));const D=n.morphAttributes;void 0===D.position&&void 0===D.normal&&void 0===D.color||He.update(r,n,x);(A||S.receiveShadow!==r.receiveShadow)&&(S.receiveShadow=r.receiveShadow,C.setValue(Ke,"receiveShadow",r.receiveShadow));(i.isMeshStandardMaterial||i.isMeshLambertMaterial||i.isMeshPhongMaterial)&&null===i.envMap&&null!==t.environment&&(U.envMapIntensity.value=t.environmentIntensity);void 0!==U.dfgLUT&&(U.dfgLUT.value=(null===Ca&&(Ca=new Ln(ba,16,16,Se,E),Ca.name="DFG_LUT",Ca.minFilter=O,Ca.magFilter=O,Ca.wrapS=mt,Ca.wrapT=mt,Ca.generateMipmaps=!1,Ca.needsUpdate=!0),Ca));if(A){if(C.setValue(Ke,"toneMappingExposure",G.toneMappingExposure),S.needsLights&&(N=b,(I=U).ambientLightColor.needsUpdate=N,I.lightProbe.needsUpdate=N,I.directionalLights.needsUpdate=N,I.directionalLightShadows.needsUpdate=N,I.pointLights.needsUpdate=N,I.pointLightShadows.needsUpdate=N,I.spotLights.needsUpdate=N,I.spotLightShadows.needsUpdate=N,I.rectAreaLights.needsUpdate=N,I.hemisphereLights.needsUpdate=N),a&&!0===i.fog&&Ne.refreshFogUniforms(U,a),Ne.refreshMaterialUniforms(U,i,re,ie,w.state.transmissionRenderTarget[e.id]),S.needsLights&&S.lightProbeGrid){const e=S.lightProbeGrid;U.probesSH.value=e.texture,U.probesMin.value.copy(e.boundingBox.min),U.probesMax.value.copy(e.boundingBox.max),U.probesResolution.value.copy(e.resolution)}Rr.upload(Ke,ut(S),U,be)}var I,N;i.isShaderMaterial&&!0===i.uniformsNeedUpdate&&(Rr.upload(Ke,ut(S),U,be),i.uniformsNeedUpdate=!1);i.isSpriteMaterial&&C.setValue(Ke,"center",r.center);if(C.setValue(Ke,"modelViewMatrix",r.modelViewMatrix),C.setValue(Ke,"normalMatrix",r.normalMatrix),C.setValue(Ke,"modelMatrix",r.matrixWorld),void 0!==i.uniformsGroups){const e=i.uniformsGroups;for(let t=0,n=e.length;t{function n(){i.forEach(function(e){Ae.get(e).currentProgram.isReady()&&i.delete(e)}),0!==i.size?setTimeout(n,10):t(e)}null!==Me.get("KHR_parallel_shader_compile")?n():setTimeout(n,10)})};let tt=null;function nt(){rt.stop()}function it(){rt.start()}const rt=new On;function at(e,t,n,i){if(!1===e.visible)return;if(e.layers.test(t.layers))if(e.isGroup)n=e.renderOrder;else if(e.isLOD)!0===e.autoUpdate&&e.update(t);else if(e.isLightProbeGrid)w.pushLightProbeGrid(e);else if(e.isLight)w.pushLight(e),e.castShadow&&w.pushShadow(e);else if(e.isSprite){if(!e.frustumCulled||de.intersectsSprite(e)){i&&_e.setFromMatrixPosition(e.matrixWorld).applyMatrix4(pe);const t=we.update(e),r=e.material;r.visible&&U.push(e,t,r,n,_e.z,null)}}else if((e.isMesh||e.isLine||e.isPoints)&&(!e.frustumCulled||de.intersectsObject(e))){const t=we.update(e),r=e.material;if(i&&(void 0!==e.boundingSphere?(null===e.boundingSphere&&e.computeBoundingSphere(),_e.copy(e.boundingSphere.center)):(null===t.boundingSphere&&t.computeBoundingSphere(),_e.copy(t.boundingSphere.center)),_e.applyMatrix4(e.matrixWorld).applyMatrix4(pe)),Array.isArray(r)){const i=t.groups;for(let a=0,o=i.length;a0&<(r,t,n),a.length>0&<(a,t,n),o.length>0&<(o,t,n),xe.buffers.depth.setTest(!0),xe.buffers.depth.setMask(!0),xe.buffers.color.setMask(!0),xe.setPolygonOffset(!1)}function st(e,t,n,i){if(null!==(!0===n.isScene?n.overrideMaterial:null))return;if(void 0===w.state.transmissionRenderTarget[i.id]){const e=Me.has("EXT_color_buffer_half_float")||Me.has("EXT_color_buffer_float");w.state.transmissionRenderTarget[i.id]=new I(1,1,{generateMipmaps:!0,type:e?E:S,minFilter:B,samples:Math.max(4,Te.samples),stencilBuffer:o,resolveDepthBuffer:!1,resolveStencilBuffer:!1,colorSpace:f.workingColorSpace})}const r=w.state.transmissionRenderTarget[i.id],a=i.viewport||$;r.setSize(a.z*G.transmissionResolutionScale,a.w*G.transmissionResolutionScale);const s=G.getRenderTarget(),l=G.getActiveCubeFace(),d=G.getActiveMipmapLevel();G.setRenderTarget(r),G.getClearColor(ee),te=G.getClearAlpha(),te<1&&G.setClearColor(16777215,.5),G.clear(),ve&&Ge.render(n);const u=G.toneMapping;G.toneMapping=L;const p=i.viewport;if(void 0!==i.viewport&&(i.viewport=void 0),w.setupLightsView(i),!0===ue&&Fe.setGlobalState(G.clippingPlanes,i),lt(e,n,i),be.updateMultisampleRenderTarget(r),be.updateRenderTargetMipmap(r),!1===Me.has("WEBGL_multisampled_render_to_texture")){let e=!1;for(let r=0,a=t.length;r0,i.currentProgram=u,i.uniformsList=null,u}function ut(e){if(null===e.uniformsList){const t=e.currentProgram.getUniforms();e.uniformsList=Rr.seqWithValue(t.seq,e.uniforms)}return e.uniformsList}function ft(e,t){const n=Ae.get(e);n.outputColorSpace=t.outputColorSpace,n.batching=t.batching,n.batchingColor=t.batchingColor,n.instancing=t.instancing,n.instancingColor=t.instancingColor,n.instancingMorph=t.instancingMorph,n.skinning=t.skinning,n.morphTargets=t.morphTargets,n.morphNormals=t.morphNormals,n.morphColors=t.morphColors,n.morphTargetsCount=t.morphTargetsCount,n.numClippingPlanes=t.numClippingPlanes,n.numIntersection=t.numClipIntersection,n.vertexAlphas=t.vertexAlphas,n.vertexTangents=t.vertexTangents,n.toneMapping=t.toneMapping}rt.setAnimationLoop(function(e){tt&&tt(e)}),"undefined"!=typeof self&&rt.setContext(self),this.setAnimationLoop=function(e){tt=e,je.setAnimationLoop(e),null===e?rt.stop():rt.start()},je.addEventListener("sessionstart",nt),je.addEventListener("sessionend",it),this.render=function(e,t){if(void 0!==t&&!0!==t.isCamera)return void D("WebGLRenderer.render: camera is not an instance of THREE.Camera.");if(!0===H)return;null!==V&&V.renderStart(e,t);const n=!0===je.enabled&&!0===je.isPresenting,i=null!==F&&(null===q||n)&&F.begin(G,q);if(!0===e.matrixWorldAutoUpdate&&e.updateMatrixWorld(),null===t.parent&&!0===t.matrixWorldAutoUpdate&&t.updateMatrixWorld(),!0!==je.enabled||!0!==je.isPresenting||null!==F&&!1!==F.isCompositing()||(!0===je.cameraAutoUpdate&&je.updateCamera(t),t=je.getCamera()),!0===e.isScene&&e.onBeforeRender(G,e,t,q),w=Oe.get(e,y.length),w.init(t),w.state.textureUnits=be.getTextureUnits(),y.push(w),pe.multiplyMatrices(t.projectionMatrix,t.matrixWorldInverse),de.setFromProjectionMatrix(pe,Nn,t.reversedDepth),fe=this.localClippingEnabled,ue=Fe.init(this.clippingPlanes,fe),U=ye.get(e,N.length),U.init(),N.push(U),!0===je.enabled&&!0===je.isPresenting){const e=G.xr.getDepthSensingMesh();null!==e&&at(e,t,-1/0,G.sortObjects)}at(e,t,0,G.sortObjects),U.finish(),!0===G.sortObjects&&U.sort(ae,oe,t.reversedDepth),ve=!1===je.enabled||!1===je.isPresenting||!1===je.hasDepthSensing(),ve&&Ge.addToRenderList(U,e),this.info.render.frame++,!0===this.info.autoReset&&this.info.reset(),!0===ue&&Fe.beginShadows();const r=w.state.shadowsArray;Be.render(r,e,t),!0===ue&&Fe.endShadows();if(!1===(i&&F.hasRenderPass())){const n=U.opaque,i=U.transmissive;if(w.setupLights(),t.isArrayCamera){const r=t.cameras;if(i.length>0)for(let t=0,a=r.length;t0&&st(n,i,e,t),ve&&Ge.render(e),ot(U,e,t)}null!==q&&0===Y&&(be.updateMultisampleRenderTarget(q),be.updateRenderTargetMipmap(q)),i&&F.end(G),!0===e.isScene&&e.onAfterRender(G,e,t),ke.resetDefaultState(),j=-1,Z=null,y.pop(),y.length>0?(w=y[y.length-1],be.setTextureUnits(w.state.textureUnits),!0===ue&&Fe.setGlobalState(G.clippingPlanes,w.state.camera)):w=null,N.pop(),U=N.length>0?N[N.length-1]:null,null!==V&&V.renderEnd()},this.getActiveCubeFace=function(){return X},this.getActiveMipmapLevel=function(){return Y},this.getRenderTarget=function(){return q},this.setRenderTargetTextures=function(e,t,n){const i=Ae.get(e);i.__autoAllocateDepthBuffer=!1===e.resolveDepthBuffer,!1===i.__autoAllocateDepthBuffer&&(i.__useRenderToTexture=!1),Ae.get(e.texture).__webglTexture=t,Ae.get(e.depthTexture).__webglTexture=i.__autoAllocateDepthBuffer?void 0:n,i.__hasExternalTextures=!0},this.setRenderTargetFramebuffer=function(e,t){const n=Ae.get(e);n.__webglFramebuffer=t,n.__useDefaultFramebuffer=void 0===t},this.setRenderTarget=function(e,t=0,n=0){q=e,X=t,Y=n;let i=null,r=!1,a=!1;if(e){const o=Ae.get(e);if(void 0!==o.__useDefaultFramebuffer)return xe.bindFramebuffer(Ke.FRAMEBUFFER,o.__webglFramebuffer),$.copy(e.viewport),Q.copy(e.scissor),J=e.scissorTest,xe.viewport($),xe.scissor(Q),xe.setScissorTest(J),void(j=-1);if(void 0===o.__webglFramebuffer)be.setupRenderTarget(e);else if(o.__hasExternalTextures)be.rebindTextures(e,Ae.get(e.texture).__webglTexture,Ae.get(e.depthTexture).__webglTexture);else if(e.depthBuffer){const t=e.depthTexture;if(o.__boundDepthTexture!==t){if(null!==t&&Ae.has(t)&&(e.width!==t.image.width||e.height!==t.image.height))throw new Error("THREE.WebGLRenderer: Attached DepthTexture is initialized to the incorrect size.");be.setupDepthRenderbuffer(e)}}const s=e.texture;(s.isData3DTexture||s.isDataArrayTexture||s.isCompressedArrayTexture)&&(a=!0);const l=Ae.get(e).__webglFramebuffer;e.isWebGLCubeRenderTarget?(i=Array.isArray(l[t])?l[t][n]:l[t],r=!0):i=e.samples>0&&!1===be.useMultisampledRTT(e)?Ae.get(e).__webglMultisampledFramebuffer:Array.isArray(l)?l[n]:l,$.copy(e.viewport),Q.copy(e.scissor),J=e.scissorTest}else $.copy(se).multiplyScalar(re).floor(),Q.copy(le).multiplyScalar(re).floor(),J=ce;0!==n&&(i=W);if(xe.bindFramebuffer(Ke.FRAMEBUFFER,i)&&xe.drawBuffers(e,i),xe.viewport($),xe.scissor(Q),xe.setScissorTest(J),r){const i=Ae.get(e.texture);Ke.framebufferTexture2D(Ke.FRAMEBUFFER,Ke.COLOR_ATTACHMENT0,Ke.TEXTURE_CUBE_MAP_POSITIVE_X+t,i.__webglTexture,n)}else if(a){const i=t;for(let t=0;t1&&Ke.readBuffer(Ke.COLOR_ATTACHMENT0+s),!Te.textureFormatReadable(l))return void D("WebGLRenderer.readRenderTargetPixels: renderTarget is not in RGBA or implementation defined format.");if(!Te.textureTypeReadable(c))return void D("WebGLRenderer.readRenderTargetPixels: renderTarget is not in UnsignedByteType or implementation defined type.");t>=0&&t<=e.width-i&&n>=0&&n<=e.height-r&&Ke.readPixels(t,n,i,r,ze.convert(l),ze.convert(c),a)}finally{const e=null!==q?Ae.get(q).__webglFramebuffer:null;xe.bindFramebuffer(Ke.FRAMEBUFFER,e)}}},this.readRenderTargetPixelsAsync=async function(e,t,n,i,r,a,o,s=0){if(!e||!e.isWebGLRenderTarget)throw new Error("THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not THREE.WebGLRenderTarget.");let l=Ae.get(e).__webglFramebuffer;if(e.isWebGLCubeRenderTarget&&void 0!==o&&(l=l[o]),l){if(t>=0&&t<=e.width-i&&n>=0&&n<=e.height-r){xe.bindFramebuffer(Ke.FRAMEBUFFER,l);const o=e.textures[s],c=o.format,d=o.type;if(e.textures.length>1&&Ke.readBuffer(Ke.COLOR_ATTACHMENT0+s),!Te.textureFormatReadable(c))throw new Error("THREE.WebGLRenderer.readRenderTargetPixelsAsync: renderTarget is not in RGBA or implementation defined format.");if(!Te.textureTypeReadable(d))throw new Error("THREE.WebGLRenderer.readRenderTargetPixelsAsync: renderTarget is not in UnsignedByteType or implementation defined type.");const u=Ke.createBuffer();Ke.bindBuffer(Ke.PIXEL_PACK_BUFFER,u),Ke.bufferData(Ke.PIXEL_PACK_BUFFER,a.byteLength,Ke.STREAM_READ),Ke.readPixels(t,n,i,r,ze.convert(c),ze.convert(d),0);const f=null!==q?Ae.get(q).__webglFramebuffer:null;xe.bindFramebuffer(Ke.FRAMEBUFFER,f);const p=Ke.fenceSync(Ke.SYNC_GPU_COMMANDS_COMPLETE,0);return Ke.flush(),await yn(Ke,p,4),Ke.bindBuffer(Ke.PIXEL_PACK_BUFFER,u),Ke.getBufferSubData(Ke.PIXEL_PACK_BUFFER,0,a),Ke.deleteBuffer(u),Ke.deleteSync(p),a}throw new Error("THREE.WebGLRenderer.readRenderTargetPixelsAsync: requested read bounds are out of range.")}},this.copyFramebufferToTexture=function(e,t=null,n=0){const i=Math.pow(2,-n),r=Math.floor(e.image.width*i),a=Math.floor(e.image.height*i),o=null!==t?t.x:0,s=null!==t?t.y:0;be.setTexture2D(e,0),Ke.copyTexSubImage2D(Ke.TEXTURE_2D,n,0,0,o,s,r,a),xe.unbindTexture()},this.copyTextureToTexture=function(e,t,n=null,i=null,r=0,a=0){let o,s,l,c,d,u,f,p,m;const h=e.isCompressedTexture?e.mipmaps[a]:e.image;if(null!==n)o=n.max.x-n.min.x,s=n.max.y-n.min.y,l=n.isBox3?n.max.z-n.min.z:1,c=n.min.x,d=n.min.y,u=n.isBox3?n.min.z:0;else{const t=Math.pow(2,-r);o=Math.floor(h.width*t),s=Math.floor(h.height*t),l=e.isDataArrayTexture?h.depth:e.isData3DTexture?Math.floor(h.depth*t):1,c=0,d=0,u=0}null!==i?(f=i.x,p=i.y,m=i.z):(f=0,p=0,m=0);const _=ze.convert(t.format),g=ze.convert(t.type);let v;t.isData3DTexture?(be.setTexture3D(t,0),v=Ke.TEXTURE_3D):t.isDataArrayTexture||t.isCompressedArrayTexture?(be.setTexture2DArray(t,0),v=Ke.TEXTURE_2D_ARRAY):(be.setTexture2D(t,0),v=Ke.TEXTURE_2D),xe.activeTexture(Ke.TEXTURE0),xe.pixelStorei(Ke.UNPACK_FLIP_Y_WEBGL,t.flipY),xe.pixelStorei(Ke.UNPACK_PREMULTIPLY_ALPHA_WEBGL,t.premultiplyAlpha),xe.pixelStorei(Ke.UNPACK_ALIGNMENT,t.unpackAlignment);const E=xe.getParameter(Ke.UNPACK_ROW_LENGTH),S=xe.getParameter(Ke.UNPACK_IMAGE_HEIGHT),M=xe.getParameter(Ke.UNPACK_SKIP_PIXELS),T=xe.getParameter(Ke.UNPACK_SKIP_ROWS),x=xe.getParameter(Ke.UNPACK_SKIP_IMAGES);xe.pixelStorei(Ke.UNPACK_ROW_LENGTH,h.width),xe.pixelStorei(Ke.UNPACK_IMAGE_HEIGHT,h.height),xe.pixelStorei(Ke.UNPACK_SKIP_PIXELS,c),xe.pixelStorei(Ke.UNPACK_SKIP_ROWS,d),xe.pixelStorei(Ke.UNPACK_SKIP_IMAGES,u);const R=e.isDataArrayTexture||e.isData3DTexture,A=t.isDataArrayTexture||t.isData3DTexture;if(e.isDepthTexture){const n=Ae.get(e),i=Ae.get(t),h=Ae.get(n.__renderTarget),_=Ae.get(i.__renderTarget);xe.bindFramebuffer(Ke.READ_FRAMEBUFFER,h.__webglFramebuffer),xe.bindFramebuffer(Ke.DRAW_FRAMEBUFFER,_.__webglFramebuffer);for(let n=0;n0){const{width:r,height:s}=e.context;t.bufferWidth=r,t.bufferHeight=s}const{environmentIntensity:i,environmentRotation:n}=e.scene;t.environmentIntensity=i,t.environmentRotation=n.clone(),t.lights=this.getLightsData(e.lightsNode.getLights(),[]),this.renderObjects.set(e,t)}return t}getAttributesData(e){const t={};for(const r in e){const s=e[r];t[r]={id:s.isInterleavedBufferAttribute?s.data.uuid:s.id,version:s.isInterleavedBufferAttribute?s.data.version:s.version}}return t}containsNode(e){const t=e.material;for(const e in t)if(t[e]&&t[e].isNode)return!0;return!!(e.context.modelViewMatrix||e.context.modelNormalViewMatrix||e.context.getAO||e.context.getShadow)}getGeometryData(e){let t=Ds.get(e);return void 0===t&&(t={_renderId:-1,_equal:!1,attributes:this.getAttributesData(e.attributes),indexId:e.index?e.index.id:null,indexVersion:e.index?e.index.version:null,drawRange:{start:e.drawRange.start,count:e.drawRange.count}},Ds.set(e,t)),t}getMaterialData(e){let t=Us.get(e);if(void 0===t){t={_renderId:-1,_equal:!1};for(const r of this.refreshUniforms){const s=e[r];null!=s&&("object"==typeof s&&void 0!==s.clone?!0===s.isTexture?t[r]={id:s.id,version:0}:t[r]=s.clone():t[r]=s)}Us.set(e,t)}return t}equals(e,t,r){const{object:s,material:i,geometry:n}=e,a=this.getRenderObjectData(e);if(!0!==a.worldMatrix.equals(s.matrixWorld))return a.worldMatrix.copy(s.matrixWorld),!1;const o=this.getMaterialData(e.material);if(o._renderId!==r){o._renderId=r;for(const e in o){const t=o[e],r=i[e];if("_renderId"!==e&&"_equal"!==e)if(void 0!==t.equals){if(!1===t.equals(r))return t.copy(r),o._equal=!1,!1}else if(!0===r.isTexture){if(t.id!==r.id||t.version!==r.version)return t.id=r.id,t.version=r.version,o._equal=!1,!1}else if(t!==r)return o[e]=r,o._equal=!1,!1}if(o.transmission>0){const{width:t,height:r}=e.context;if(a.bufferWidth!==t||a.bufferHeight!==r)return a.bufferWidth=t,a.bufferHeight=r,o._equal=!1,!1}o._equal=!0}else if(!1===o._equal)return!1;if(a.geometryId!==n.id)return a.geometryId=n.id,!1;const u=this.getGeometryData(e.geometry);if(u._renderId!==r){u._renderId=r;const e=n.attributes,t=u.attributes;let s=0,i=0;for(const t in e)s++;for(const r in t){i++;const s=t[r],n=e[r];if(void 0===n)return delete t[r],u._equal=!1,!1;const a=n.isInterleavedBufferAttribute?n.data.uuid:n.id,o=n.isInterleavedBufferAttribute?n.data.version:n.version;if(s.id!==a||s.version!==o)return s.id=a,s.version=o,u._equal=!1,!1}if(i!==s)return u.attributes=this.getAttributesData(e),u._equal=!1,!1;const a=n.index,o=u.indexId,l=u.indexVersion,d=a?a.id:null,c=a?a.version:null;if(o!==d||l!==c)return u.indexId=d,u.indexVersion=c,u._equal=!1,!1;if(u.drawRange.start!==n.drawRange.start||u.drawRange.count!==n.drawRange.count)return u.drawRange.start=n.drawRange.start,u.drawRange.count=n.drawRange.count,u._equal=!1,!1;u._equal=!0}else if(!1===u._equal)return!1;if(a.morphTargetInfluences){let e=!1;for(let t=0;t{const r=e.match(t);if(!r)return null;const s=r[1]||r[2]||"",i=r[3].split("?")[0],n=parseInt(r[4],10),a=parseInt(r[5],10);return{fn:s,file:i.split("/").pop(),line:n,column:a}}).filter(e=>e&&!Is.some(t=>t.test(e.file)))}(e||(new Error).stack)}getLocation(){if(0===this.stack.length)return"[Unknown location]";const e=this.stack[0],t=e.fn;return`${t?`"${t}()" at `:""}"${e.file}:${e.line}"`}getError(e){if(0===this.stack.length)return e;return`${e}\n${this.stack.map(e=>{const t=`${e.file}:${e.line}:${e.column}`;return e.fn?` at ${e.fn} (${t})`:` at ${t}`}).join("\n")}`}}function ks(e,t=0){let r=3735928559^t,s=1103547991^t;if(Array.isArray(e))for(let t,i=0;i>>16,2246822507),r^=Math.imul(s^s>>>13,3266489909),s=Math.imul(s^s>>>16,2246822507),s^=Math.imul(r^r>>>13,3266489909),4294967296*(2097151&s)+(r>>>0)}const Gs=e=>ks(e),zs=e=>ks(e),$s=(...e)=>ks(e),Ws=new Map([[1,"float"],[2,"vec2"],[3,"vec3"],[4,"vec4"],[9,"mat3"],[16,"mat4"]]),Hs=new WeakMap;function js(e){return Ws.get(e)}function qs(e){if(/[iu]?vec\d/.test(e))return e.startsWith("ivec")?Int32Array:e.startsWith("uvec")?Uint32Array:Float32Array;if(/mat\d/.test(e))return Float32Array;if(/float/.test(e))return Float32Array;if(/uint/.test(e))return Uint32Array;if(/int/.test(e))return Int32Array;throw new Error(`THREE.NodeUtils: Unsupported type: ${e}`)}function Xs(e){return/float|int|uint|bool/.test(e)?1:/vec2/.test(e)?2:/vec3/.test(e)?3:/vec4/.test(e)||/mat2/.test(e)?4:/mat3/.test(e)?9:/mat4/.test(e)?16:void o(`TSL: Unsupported type: ${e}`,new Vs)}function Ys(e){return/float|int|uint|bool/.test(e)?1:/vec2/.test(e)?2:/vec3/.test(e)?3:/vec4/.test(e)||/mat2/.test(e)?4:/mat3/.test(e)?12:/mat4/.test(e)?16:void o(`TSL: Unsupported type: ${e}`,new Vs)}function Qs(e){return/float|int|uint|bool/.test(e)?1:/vec2/.test(e)?2:/vec3/.test(e)||/vec4/.test(e)?4:/mat2/.test(e)?2:/mat3/.test(e)||/mat4/.test(e)?4:void o(`TSL: Unsupported type: ${e}`,new Vs)}function Ks(e){if(null==e)return null;const t=typeof e;return!0===e.isNode?"node":"number"===t?"float":"boolean"===t?"bool":"string"===t?"string":"function"===t?"shader":!0===e.isVector2?"vec2":!0===e.isVector3?"vec3":!0===e.isVector4?"vec4":!0===e.isMatrix2?"mat2":!0===e.isMatrix3?"mat3":!0===e.isMatrix4?"mat4":!0===e.isColor?"color":e instanceof ArrayBuffer?"ArrayBuffer":null}function Zs(o,...u){const l=o?o.slice(-4):void 0;return 1===u.length&&("vec2"===l?u=[u[0],u[0]]:"vec3"===l?u=[u[0],u[0],u[0]]:"vec4"===l&&(u=[u[0],u[0],u[0],u[0]])),"color"===o?new e(...u):"vec2"===l?new t(...u):"vec3"===l?new r(...u):"vec4"===l?new s(...u):"mat2"===l?new i(...u):"mat3"===l?new n(...u):"mat4"===l?new a(...u):"bool"===o?u[0]||!1:"float"===o||"int"===o||"uint"===o?u[0]||0:"string"===o?u[0]||"":"ArrayBuffer"===o?ti(u[0]):null}function Js(e){let t=Hs.get(e);return void 0===t&&(t={},Hs.set(e,t)),t}function ei(e){let t="";const r=new Uint8Array(e);for(let e=0;ee.charCodeAt(0)).buffer}var ri=Object.freeze({__proto__:null,arrayBufferToBase64:ei,base64ToArrayBuffer:ti,getAlignmentFromType:Qs,getDataFromObject:Js,getLengthFromType:Xs,getMemoryLengthFromType:Ys,getTypeFromLength:js,getTypedArrayFromType:qs,getValueFromType:Zs,getValueType:Ks,hash:$s,hashArray:zs,hashString:Gs});const si={VERTEX:"vertex",FRAGMENT:"fragment"},ii={NONE:"none",FRAME:"frame",RENDER:"render",OBJECT:"object"},ni={BOOLEAN:"bool",INTEGER:"int",FLOAT:"float",VECTOR2:"vec2",VECTOR3:"vec3",VECTOR4:"vec4",MATRIX2:"mat2",MATRIX3:"mat3",MATRIX4:"mat4"},ai={READ_ONLY:"readOnly",WRITE_ONLY:"writeOnly",READ_WRITE:"readWrite"},oi=["fragment","vertex"],ui=["setup","analyze","generate"],li=[...oi,"compute"],di=["x","y","z","w"],ci={analyze:"setup",generate:"analyze"};let hi=0;class pi extends u{static get type(){return"Node"}constructor(e=null){super(),this.nodeType=e,this.updateType=ii.NONE,this.updateBeforeType=ii.NONE,this.updateAfterType=ii.NONE,this.version=0,this.name="",this.global=!1,this.parents=!1,this.isNode=!0,this._beforeNodes=null,this._cacheKey=null,this._uuid=null,this._cacheKeyVersion=0,this.id=hi++,this.stackTrace=null,!0===pi.captureStackTrace&&(this.stackTrace=new Vs)}set needsUpdate(e){!0===e&&this.version++}get uuid(){return null===this._uuid&&(this._uuid=l.generateUUID()),this._uuid}get type(){return this.constructor.type}onUpdate(e,t){return this.updateType=t,this.update=e.bind(this),this}onFrameUpdate(e){return this.onUpdate(e,ii.FRAME)}onRenderUpdate(e){return this.onUpdate(e,ii.RENDER)}onObjectUpdate(e){return this.onUpdate(e,ii.OBJECT)}onReference(e){return this.updateReference=e.bind(this),this}updateReference(){return this}isGlobal(){return this.global}*getChildren(){for(const{childNode:e}of this._getChildren())yield e}dispose(){this.dispatchEvent({type:"dispose"})}traverse(e){e(this);for(const t of this.getChildren())t.traverse(e)}_getChildren(e=new Set){const t=[];e.add(this);for(const r of Object.getOwnPropertyNames(this)){const s=this[r];if(!0!==r.startsWith("_")&&!e.has(s))if(!0===Array.isArray(s))for(let e=0;e0&&(e.inputNodes=r)}deserialize(e){if(void 0!==e.inputNodes){const t=e.meta.nodes;for(const r in e.inputNodes)if(Array.isArray(e.inputNodes[r])){const s=[];for(const i of e.inputNodes[r])s.push(t[i]);this[r]=s}else if("object"==typeof e.inputNodes[r]){const s={};for(const i in e.inputNodes[r]){const n=e.inputNodes[r][i];s[i]=t[n]}this[r]=s}else{const s=e.inputNodes[r];this[r]=t[s]}}}toJSON(e){const{uuid:t,type:r}=this,s=void 0===e||"string"==typeof e;s&&(e={textures:{},images:{},nodes:{}});let i=e.nodes[t];function n(e){const t=[];for(const r in e){const s=e[r];delete s.metadata,t.push(s)}return t}if(void 0===i&&(i={uuid:t,type:r,meta:e,metadata:{version:4.7,type:"Node",generator:"Node.toJSON"}},!0!==s&&(e.nodes[i.uuid]=i),this.serialize(i),delete i.meta),s){const t=n(e.textures),r=n(e.images),s=n(e.nodes);t.length>0&&(i.textures=t),r.length>0&&(i.images=r),s.length>0&&(i.nodes=s)}return i}}pi.captureStackTrace=!1;class gi extends pi{static get type(){return"ArrayElementNode"}constructor(e,t){super(),this.node=e,this.indexNode=t,this.isArrayElementNode=!0}generateNodeType(e){return this.node.getElementType(e)}getMemberType(e,t){return this.node.getMemberType(e,t)}generate(e){const t=this.indexNode.getNodeType(e);return`${this.node.build(e)}[ ${this.indexNode.build(e,!e.isVector(t)&&e.isInteger(t)?t:"uint")} ]`}}class mi extends pi{static get type(){return"ConvertNode"}constructor(e,t){super(),this.node=e,this.convertTo=t}generateNodeType(e){const t=this.node.getNodeType(e);let r=null;for(const s of this.convertTo.split("|"))null!==r&&e.getTypeLength(t)!==e.getTypeLength(s)||(r=s);return r}serialize(e){super.serialize(e),e.convertTo=this.convertTo}deserialize(e){super.deserialize(e),this.convertTo=e.convertTo}generate(e,t){const r=this.node,s=this.getNodeType(e),i=r.build(e,s);return e.format(i,s,t)}}class fi extends pi{static get type(){return"TempNode"}constructor(e=null){super(e),this.isTempNode=!0}hasDependencies(e){return e.getDataFromNode(this).usageCount>1}build(e,t){if("generate"===e.getBuildStage()){const r=e.getVectorType(this.getNodeType(e,t)),s=e.getDataFromNode(this);if(void 0!==s.propertyName)return e.format(s.propertyName,r,t);if("void"!==r&&"void"!==t&&this.hasDependencies(e)){const i=super.build(e,r),n=e.getVarFromNode(this,null,r),a=e.getPropertyName(n);return e.addLineFlowCode(`${a} = ${i}`,this),s.snippet=i,s.propertyName=a,e.format(s.propertyName,r,t)}}return super.build(e,t)}}class yi extends fi{static get type(){return"JoinNode"}constructor(e=[],t=null){super(t),this.nodes=e}generateNodeType(e){return null!==this.nodeType?e.getVectorType(this.nodeType):e.getTypeFromLength(this.nodes.reduce((t,r)=>t+e.getTypeLength(r.getNodeType(e)),0))}generate(e,t){const r=this.getNodeType(e),s=e.getTypeLength(r),i=this.nodes,n=e.getComponentType(r),a=[];let u=0;for(const t of i){if(u>=s){o(`TSL: Length of parameters exceeds maximum length of function '${r}()' type.`,this.stackTrace);break}let i,l=t.getNodeType(e),d=e.getTypeLength(l);u+d>s&&(o(`TSL: Length of '${r}()' data exceeds maximum length of output type.`,this.stackTrace),d=s-u,l=e.getTypeFromLength(d)),u+=d,i=t.build(e,l);if(e.getComponentType(l)!==n){const t=e.getTypeFromLength(d,n);i=e.format(i,l,t)}a.push(i)}const l=`${e.getType(r)}( ${a.join(", ")} )`;return e.format(l,r,t)}}const bi=di.join("");class xi extends pi{static get type(){return"SplitNode"}constructor(e,t="x"){super(),this.node=e,this.components=t,this.isSplitNode=!0}getVectorLength(){let e=this.components.length;for(const t of this.components)e=Math.max(di.indexOf(t)+1,e);return e}getComponentType(e){return e.getComponentType(this.node.getNodeType(e))}generateNodeType(e){return e.getTypeFromLength(this.components.length,this.getComponentType(e))}getScope(){return this.node.getScope()}generate(e,t){const r=this.node,s=e.getTypeLength(r.getNodeType(e));let i=null;if(s>1){let n=null;this.getVectorLength()>=s&&(n=e.getTypeFromLength(this.getVectorLength(),this.getComponentType(e)));const a=r.build(e,n);i=this.components.length===s&&this.components===bi.slice(0,this.components.length)?e.format(a,n,t):e.format(`${a}.${this.components}`,this.getNodeType(e),t)}else i=r.build(e,t);return i}serialize(e){super.serialize(e),e.components=this.components}deserialize(e){super.deserialize(e),this.components=e.components}}class Ti extends fi{static get type(){return"SetNode"}constructor(e,t,r){super(),this.sourceNode=e,this.components=t,this.targetNode=r}generateNodeType(e){return this.sourceNode.getNodeType(e)}generate(e){const{sourceNode:t,components:r,targetNode:s}=this,i=this.getNodeType(e),n=e.getComponentType(s.getNodeType(e)),a=e.getTypeFromLength(r.length,n),o=s.build(e,a),u=t.build(e,i),l=e.getTypeLength(i),d=[];for(let e=0;e(e=>e.replace(/r|s/g,"x").replace(/g|t/g,"y").replace(/b|p/g,"z").replace(/a|q/g,"w"))(e).split("").sort().join("");pi.prototype.assign=function(...e){if(!0!==this.isStackNode)return null!==Ri?Ri.assign(this,...e):o("TSL: No stack defined for assign operation. Make sure the assign is inside a Fn().",new Vs),this;{const t=wi.get("assign");return this.addToStack(t(...e))}},pi.prototype.toVarIntent=function(){return this},pi.prototype.get=function(e){return new Ei(this,e)};const Mi={};function Bi(e,t,r){Mi[e]=Mi[t]=Mi[r]={get(){this._cache=this._cache||{};let t=this._cache[e];return void 0===t&&(t=new xi(this,e),this._cache[e]=t),t},set(t){this[e].assign(sn(t))}};const s=e.toUpperCase(),i=t.toUpperCase(),n=r.toUpperCase();pi.prototype["set"+s]=pi.prototype["set"+i]=pi.prototype["set"+n]=function(t){const r=Ci(e);return new Ti(this,r,sn(t))},pi.prototype["flip"+s]=pi.prototype["flip"+i]=pi.prototype["flip"+n]=function(){const t=Ci(e);return new _i(this,t)}}const Li=["x","y","z","w"],Fi=["r","g","b","a"],Pi=["s","t","p","q"];for(let e=0;e<4;e++){let t=Li[e],r=Fi[e],s=Pi[e];Bi(t,r,s);for(let i=0;i<4;i++){t=Li[e]+Li[i],r=Fi[e]+Fi[i],s=Pi[e]+Pi[i],Bi(t,r,s);for(let n=0;n<4;n++){t=Li[e]+Li[i]+Li[n],r=Fi[e]+Fi[i]+Fi[n],s=Pi[e]+Pi[i]+Pi[n],Bi(t,r,s);for(let a=0;a<4;a++)t=Li[e]+Li[i]+Li[n]+Li[a],r=Fi[e]+Fi[i]+Fi[n]+Fi[a],s=Pi[e]+Pi[i]+Pi[n]+Pi[a],Bi(t,r,s)}}}for(let e=0;e<32;e++)Mi[e]={get(){this._cache=this._cache||{};let t=this._cache[e];return void 0===t&&(t=new gi(this,new Si(e,"uint")),this._cache[e]=t),t},set(t){this[e].assign(sn(t))}};Object.defineProperties(pi.prototype,Mi);const Ui=function(e,t=null){for(const r in e)e[r]=sn(e[r],t);return e},Di=function(e,t=null){const r=e.length;for(let s=0;su?(o(`TSL: "${r}" parameter length exceeds limit.`,new Vs),t.slice(0,u)):t}return null===t?n=(...t)=>i(new e(...on(d(t)))):null!==r?(r=sn(r),n=(...s)=>i(new e(t,...on(d(s)),r))):n=(...r)=>i(new e(t,...on(d(r)))),n.setParameterLength=(...e)=>(1===e.length?a=u=e[0]:2===e.length&&([a,u]=e),n),n.setName=e=>(l=e,n),n},Ii=function(e,...t){return new e(...on(t))};class Vi extends pi{constructor(e,t){super(),this.shaderNode=e,this.rawInputs=t,this.isShaderCallNodeInternal=!0}generateNodeType(e){return this.shaderNode.nodeType||this.getOutputNode(e).getNodeType(e)}getElementType(e){return this.getOutputNode(e).getElementType(e)}getMemberType(e,t){return this.getOutputNode(e).getMemberType(e,t)}call(e){const{shaderNode:t,rawInputs:r}=this,s=e.getNodeProperties(t),i=e.getClosestSubBuild(t.subBuilds)||"",n=i||"default";if(s[n])return s[n];const a=e.subBuildFn,o=e.fnCall;e.subBuildFn=i,e.fnCall=this;let u=null;if(t.layout){if(r){const s=t.layout.inputs;if(ki(r)){const t=r;for(let r=0;r{let s;return s=Symbol.iterator===t?function*(){yield}:Reflect.get(e,t,r),s}}),i=r?function(e){let t=0;return an(e),new Proxy(e,{get:(r,s,i)=>{let n;if("length"===s)return n=e.length,n;if(Symbol.iterator===s)n=function*(){for(const t of e)yield sn(t)};else{if(e.length>0)if(Object.getPrototypeOf(e[0])===Object.prototype){const r=e[0];n=void 0===r[s]?r[t++]:Reflect.get(r,s,i)}else e[0]instanceof pi&&(n=void 0===e[s]?e[t++]:Reflect.get(e,s,i));else n=Reflect.get(r,s,i);n=sn(n)}return n}})}(r):null,n=Array.isArray(r)?r.length>0:null!==r,a=t.jsFunc,o=n||a.length>1?a(i,s):a(s);u=sn(o)}return e.subBuildFn=a,e.fnCall=o,t.once&&(s[n]=u),u}setupOutput(e){return e.addStack(),e.stack.outputNode=this.call(e),e.removeStack()}getOutputNode(e){const t=e.getNodeProperties(this),r=e.getSubBuildOutput(this);return t[r]=t[r]||this.setupOutput(e),t[r].subBuild=e.getClosestSubBuild(this),t[r]}build(e,t=null){let r=null;const s=e.getBuildStage(),i=e.getNodeProperties(this),n=e.getSubBuildOutput(this),a=this.getOutputNode(e),o=e.fnCall;if(e.fnCall=this,"setup"===s){const t=e.getSubBuildProperty("initialized",this);if(!0!==i[t]&&(i[t]=!0,i[n]=this.getOutputNode(e),i[n].build(e),this.shaderNode.subBuilds))for(const t of e.chaining){const r=e.getDataFromNode(t,"any");r.subBuilds=r.subBuilds||new Set;for(const e of this.shaderNode.subBuilds)r.subBuilds.add(e)}r=i[n]}else"analyze"===s?a.build(e,t):"generate"===s&&(r=a.build(e,t)||"");return e.fnCall=o,r}}function ki(e){return e[0]&&(e[0].isNode||Object.getPrototypeOf(e[0])!==Object.prototype)}class Gi extends pi{constructor(e,t){super(t),this.jsFunc=e,this.layout=null,this.global=!0,this.once=!1}setLayout(e){return this.layout=e,this}getLayout(){return this.layout}call(e=null){return new Vi(this,e)}setup(){return this.call()}}const zi=[!1,!0],$i=[0,1,2,3],Wi=[-1,-2],Hi=[.5,1.5,1/3,1e-6,1e6,Math.PI,2*Math.PI,1/Math.PI,2/Math.PI,1/(2*Math.PI),Math.PI/2],ji=new Map;for(const e of zi)ji.set(e,new Si(e));const qi=new Map;for(const e of $i)qi.set(e,new Si(e,"uint"));const Xi=new Map([...qi].map(e=>new Si(e.value,"int")));for(const e of Wi)Xi.set(e,new Si(e,"int"));const Yi=new Map([...Xi].map(e=>new Si(e.value)));for(const e of Hi)Yi.set(e,new Si(e));for(const e of Hi)Yi.set(-e,new Si(-e));const Qi={bool:ji,uint:qi,ints:Xi,float:Yi},Ki=new Map([...ji,...Yi]),Zi=(e,t)=>Ki.has(e)?Ki.get(e):!0===e.isNode?e:new Si(e,t),Ji=function(e,t=null){return(...r)=>{for(const t of r)if(void 0===t)return o(`TSL: Invalid parameter for the type "${e}".`,new Vs),new Si(0,e);if((0===r.length||!["bool","float","int","uint"].includes(e)&&r.every(e=>{const t=typeof e;return"object"!==t&&"function"!==t}))&&(r=[Zs(e,...r)]),1===r.length&&null!==t&&t.has(r[0]))return nn(t.get(r[0]));if(1===r.length){const t=Zi(r[0],e);return t.nodeType===e?nn(t):nn(new mi(t,e))}const s=r.map(e=>Zi(e));return nn(new yi(s,e))}};function en(e){return e&&e.isNode&&e.traverse(t=>{t.isConstNode&&(e=t.value)}),Boolean(e)}const tn=e=>null!=e?e.nodeType||e.convertTo||("string"==typeof e?e:null):null;function rn(e,t){return new Gi(e,t)}const sn=(e,t=null)=>function(e,t=null){const r=Ks(e);return"node"===r?e:null===t&&("float"===r||"boolean"===r)||r&&"shader"!==r&&"string"!==r?sn(Zi(e,t)):"shader"===r?e.isFn?e:gn(e):e}(e,t),nn=(e,t=null)=>sn(e,t).toVarIntent(),an=(e,t=null)=>new Ui(e,t),on=(e,t=null)=>new Di(e,t),un=(e,t=null,r=null,s=null)=>new Oi(e,t,r,s),ln=(e,...t)=>new Ii(e,...t),dn=(e,t=null,r=null,s={})=>new Oi(e,t,r,{...s,intent:!0}),cn=(e,t)=>new Proxy(e,{get:(e,r,s)=>Reflect.get(t,r,s),set:(e,r,s)=>Reflect.set(t,r,s)});let hn=0;class pn extends pi{constructor(e,t=null){super();let r=null;null!==t&&("object"==typeof t?r=t.return:("string"==typeof t?r=t:o("TSL: Invalid layout type.",new Vs),t=null)),this.shaderNode=new rn(e,r),null!==t&&this.setLayout(t),this.isFn=!0}setLayout(e){const t=this.shaderNode.nodeType;if("object"!=typeof e.inputs){const r={name:"fn"+hn++,type:t,inputs:[]};for(const t in e)"return"!==t&&r.inputs.push({name:t,type:e[t]});e=r}return this.shaderNode.setLayout(e),this}generateNodeType(e){return this.shaderNode.getNodeType(e)||"float"}call(...e){const t=this.shaderNode.call(e);return"void"===this.shaderNode.nodeType&&t.toStack(),t.toVarIntent()}once(e=null){return this.shaderNode.once=!0,this.shaderNode.subBuilds=e,this}generate(e){const t=this.getNodeType(e);return o('TSL: "Fn()" was declared but not invoked. Try calling it like "Fn()( ...params )".',this.stackTrace),e.generateConst(t)}}function gn(e,t=null){const r=new pn(e,t);return new Proxy(()=>{},{apply:(e,t,s)=>r.call(...s),get:(e,t,s)=>Reflect.get(r,t,s),set:(e,t,s,i)=>Reflect.set(r,t,s,i)})}const mn=e=>{Ri=e},fn=()=>Ri,yn=(...e)=>Ri.If(...e);function bn(e){return Ri&&Ri.addToStack(e),e}Ai("toStack",bn);const xn=new Ji("color"),Tn=new Ji("float",Qi.float),_n=new Ji("int",Qi.ints),vn=new Ji("uint",Qi.uint),Nn=new Ji("bool",Qi.bool),Sn=new Ji("vec2"),En=new Ji("ivec2"),Rn=new Ji("uvec2"),wn=new Ji("bvec2"),An=new Ji("vec3"),Cn=new Ji("ivec3"),Mn=new Ji("uvec3"),Bn=new Ji("bvec3"),Ln=new Ji("vec4"),Fn=new Ji("ivec4"),Pn=new Ji("uvec4"),Un=new Ji("bvec4"),Dn=new Ji("mat2"),On=new Ji("mat3"),In=new Ji("mat4");Ai("toColor",xn),Ai("toFloat",Tn),Ai("toInt",_n),Ai("toUint",vn),Ai("toBool",Nn),Ai("toVec2",Sn),Ai("toIVec2",En),Ai("toUVec2",Rn),Ai("toBVec2",wn),Ai("toVec3",An),Ai("toIVec3",Cn),Ai("toUVec3",Mn),Ai("toBVec3",Bn),Ai("toVec4",Ln),Ai("toIVec4",Fn),Ai("toUVec4",Pn),Ai("toBVec4",Un),Ai("toMat2",Dn),Ai("toMat3",On),Ai("toMat4",In);const Vn=un(gi).setParameterLength(2),kn=(e,t)=>new mi(sn(e),t);Ai("element",Vn),Ai("convert",kn);Ai("append",e=>(d("TSL: .append() has been renamed to .toStack().",new Vs),bn(e)));class Gn extends pi{static get type(){return"PropertyNode"}constructor(e,t=null,r=!1,s=null){super(e),this.name=t,this.varying=r,this.placeholderNode=sn(s),this.isPropertyNode=!0,this.global=!0}getNodeType(e){const t=super.getNodeType(e);return"output"===t?e.getOutputType():t}customCacheKey(){return Gs(this.type+":"+(this.name||"")+":"+(this.varying?"1":"0"))}getHash(e){return this.name||super.getHash(e)}generate(e){let t;if(!0===this.varying)t=e.getVaryingFromNode(this,this.name),t.needsInterpolation=!0;else if(t=e.getVarFromNode(this,this.name),null!==this.placeholderNode&&!1===e.hasWriteUsage(this)){const r=this.placeholderNode.build(e,this.getNodeType(e));e.addLineFlowCode(`${e.getPropertyName(t)} = ${r}`,this)}return e.getPropertyName(t)}}const zn=(e,t,r=null)=>new Gn(e,t,!1,r),$n=(e,t,r=null)=>new Gn(e,t,!0,r),Wn=ln(Gn,"vec4","DiffuseColor"),Hn=ln(Gn,"vec3","DiffuseContribution"),jn=ln(Gn,"vec3","EmissiveColor"),qn=ln(Gn,"float","Roughness"),Xn=ln(Gn,"float","Metalness"),Yn=ln(Gn,"float","Clearcoat"),Qn=ln(Gn,"float","ClearcoatRoughness"),Kn=ln(Gn,"vec3","Sheen"),Zn=ln(Gn,"float","SheenRoughness"),Jn=ln(Gn,"float","Iridescence"),ea=ln(Gn,"float","IridescenceIOR"),ta=ln(Gn,"float","IridescenceThickness"),ra=ln(Gn,"float","AlphaT"),sa=ln(Gn,"float","Anisotropy"),ia=ln(Gn,"vec3","AnisotropyT"),na=ln(Gn,"vec3","AnisotropyB"),aa=ln(Gn,"color","SpecularColor"),oa=ln(Gn,"color","SpecularColorBlended"),ua=ln(Gn,"float","SpecularF90"),la=ln(Gn,"float","Shininess"),da=ln(Gn,"output","Output"),ca=ln(Gn,"float","dashSize"),ha=ln(Gn,"float","gapSize"),pa=ln(Gn,"float","pointWidth"),ga=ln(Gn,"float","IOR"),ma=ln(Gn,"float","Transmission"),fa=ln(Gn,"float","Thickness"),ya=ln(Gn,"float","AttenuationDistance"),ba=ln(Gn,"color","AttenuationColor"),xa=ln(Gn,"float","Dispersion"),Ta=ln(Gn,"float","AmbientOcclusion",!1,1);class _a extends pi{static get type(){return"UniformGroupNode"}constructor(e,t=!1,r=1,s=null){super("string"),this.name=e,this.shared=t,this.order=r,this.updateType=s,this.isUniformGroup=!0}update(){this.needsUpdate=!0}serialize(e){super.serialize(e),e.name=this.name,e.version=this.version,e.shared=this.shared}deserialize(e){super.deserialize(e),this.name=e.name,this.version=e.version,this.shared=e.shared}}const va=(e,t=1,r=null)=>new _a(e,!1,t,r),Na=(e,t=0,r=null)=>new _a(e,!0,t,r),Sa=Na("frame",0,ii.FRAME),Ea=Na("render",0,ii.RENDER),Ra=va("object",1,ii.OBJECT);class wa extends vi{static get type(){return"UniformNode"}constructor(e,t=null){super(e,t),this.isUniformNode=!0,this.name="",this.groupNode=Ra}setName(e){return this.name=e,this}label(e){return d('TSL: "label()" has been deprecated. Use "setName()" instead.',new Vs),this.setName(e)}setGroup(e){return this.groupNode=e,this}getGroup(){return this.groupNode}getUniformHash(e){return this.getHash(e)}onUpdate(e,t){return e=e.bind(this),super.onUpdate(t=>{const r=e(t,this);void 0!==r&&(this.value=r)},t)}getInputType(e){let t=super.getInputType(e);return"bool"===t&&(t="uint"),t}generate(e,t){const r=this.getNodeType(e),s=this.getUniformHash(e);let i=e.getNodeFromHash(s);void 0===i&&(e.setHashNode(this,s),i=this);const n=i.getInputType(e),a=e.getUniformFromNode(i,n,e.shaderStage,this.name||e.context.nodeName),o=e.getPropertyName(a);void 0!==e.context.nodeName&&delete e.context.nodeName;let u=o;if("bool"===r){const t=e.getDataFromNode(this);let s=t.propertyName;if(void 0===s){const i=e.getVarFromNode(this,null,"bool");s=e.getPropertyName(i),t.propertyName=s,u=e.format(o,n,r),e.addLineFlowCode(`${s} = ${u}`,this)}u=s}return e.format(u,r,t)}}const Aa=(e,t)=>{const r=tn(t||e);if(r===e&&(e=Zs(r)),e&&!0===e.isNode){let t=e.value;e.traverse(e=>{!0===e.isConstNode&&(t=e.value)}),e=t}return new wa(e,r)};class Ca extends fi{static get type(){return"ArrayNode"}constructor(e,t,r=null){super(e),this.count=t,this.values=r,this.isArrayNode=!0}getArrayCount(){return this.count}generateNodeType(e){return null===this.nodeType?this.values[0].getNodeType(e):this.nodeType}getElementType(e){return this.getNodeType(e)}getMemberType(e,t){return null===this.nodeType?this.values[0].getMemberType(e,t):super.getMemberType(e,t)}generate(e){const t=this.getNodeType(e);return e.generateArray(t,this.count,this.values)}}const Ma=(...e)=>{let t;if(1===e.length){const r=e[0];t=new Ca(null,r.length,r)}else{const r=e[0],s=e[1];t=new Ca(r,s)}return sn(t)};Ai("toArray",(e,t)=>Ma(Array(t).fill(e)));class Ba extends fi{static get type(){return"AssignNode"}constructor(e,t){super(),this.targetNode=e,this.sourceNode=t,this.isAssignNode=!0}hasDependencies(){return!1}generateNodeType(e,t){return"void"!==t?this.targetNode.getNodeType(e):"void"}needsSplitAssign(e){const{targetNode:t}=this;if(!1===e.isAvailable("swizzleAssign")&&t.isSplitNode&&t.components.length>1){const r=e.getTypeLength(t.node.getNodeType(e));return di.join("").slice(0,r)!==t.components}return!1}setup(e){const{targetNode:t,sourceNode:r}=this,s=t.getScope();e.getDataFromNode(s).assign=!0;const i=e.getNodeProperties(this);i.sourceNode=r,i.targetNode=t.context({assign:!0})}generate(e,t){const{targetNode:r,sourceNode:s}=e.getNodeProperties(this),i=this.needsSplitAssign(e),n=r.build(e),a=r.getNodeType(e),o=s.build(e,a),u=s.getNodeType(e),l=e.getDataFromNode(this);let d;if(!0===l.initialized)"void"!==t&&(d=n);else if(i){const s=e.getVarFromNode(this,null,a),i=e.getPropertyName(s);e.addLineFlowCode(`${i} = ${o}`,this);const u=r.node,l=u.node.context({assign:!0}).build(e);for(let t=0;t{const s=r.type;let i;return i="pointer"===s?"&"+t.build(e):t.build(e,s),i};if(Array.isArray(i)){if(i.length>s.length)o("TSL: The number of provided parameters exceeds the expected number of inputs in 'Fn()'."),i.length=s.length;else if(i.length(t=t.length>1||t[0]&&!0===t[0].isNode?on(t):an(t[0]),new Fa(sn(e),t));Ai("call",Pa);const Ua={"==":"equal","!=":"notEqual","<":"lessThan",">":"greaterThan","<=":"lessThanEqual",">=":"greaterThanEqual","%":"mod"};class Da extends fi{static get type(){return"OperatorNode"}constructor(e,t,r,...s){if(super(),s.length>0){let i=new Da(e,t,r);for(let t=0;t>"===r||"<<"===r)return e.getIntegerType(n);if("&&"===r||"||"===r||"^^"===r)return"bool";if("!"===r){const t=e.getTypeLength(n);return t>1?`bvec${t}`:"bool"}if("=="===r||"!="===r||"<"===r||">"===r||"<="===r||">="===r){const t=Math.max(e.getTypeLength(n),e.getTypeLength(a));return t>1?`bvec${t}`:"bool"}if(e.isMatrix(n)){if("float"===a)return n;if(e.isVector(a))return e.getVectorFromMatrix(n);if(e.isMatrix(a))return n}else if(e.isMatrix(a)){if("float"===n)return a;if(e.isVector(n))return e.getVectorFromMatrix(a)}return e.getTypeLength(a)>e.getTypeLength(n)?a:n}generate(e,t){const r=this.op,{aNode:s,bNode:i}=this,n=this.getNodeType(e,t);let a=null,o=null;"void"!==n?(a=s.getNodeType(e),o=i?i.getNodeType(e):null,"<"===r||">"===r||"<="===r||">="===r||"=="===r||"!="===r?e.isVector(a)?o=a:e.isVector(o)?a=o:a!==o&&(a=o="float"):">>"===r||"<<"===r?(a=n,o=e.changeComponentType(o,"uint")):"%"===r?(a=n,o=e.isInteger(a)&&e.isInteger(o)?o:a):e.isMatrix(a)?"float"===o?o="float":e.isVector(o)?o=e.getVectorFromMatrix(a):e.isMatrix(o)||(a=o=n):a=e.isMatrix(o)?"float"===a?"float":e.isVector(a)?e.getVectorFromMatrix(o):o=n:o=n):a=o=n;const u=s.build(e,a),l=i?i.build(e,o):null,d=e.getFunctionOperator(r);if("void"!==t){const s=e.renderer.coordinateSystem===c;if("=="===r||"!="===r||"<"===r||">"===r||"<="===r||">="===r)return s&&e.isVector(a)?e.format(`${this.getOperatorMethod(e,t)}( ${u}, ${l} )`,n,t):e.format(`( ${u} ${r} ${l} )`,n,t);if("%"===r)return e.isInteger(o)?e.format(`( ${u} % ${l} )`,n,t):e.format(`${this.getOperatorMethod(e,n)}( ${u}, ${l} )`,n,t);if("!"===r)return s&&e.isVector(a)?e.format(`not( ${u} )`,t):e.format(`( ${r} ${u} )`,a,t);if("~"===r)return e.format(`( ${r} ${u} )`,a,t);if(d)return e.format(`${d}( ${u}, ${l} )`,n,t);if(e.isMatrix(a)&&"float"===o)return e.format(`( ${l} ${r} ${u} )`,n,t);if("float"===a&&e.isMatrix(o))return e.format(`${u} ${r} ${l}`,n,t);{let i=`( ${u} ${r} ${l} )`;return!s&&"bool"===n&&e.isVector(a)&&e.isVector(o)&&(i=`all${i}`),e.format(i,n,t)}}if("void"!==a)return d?e.format(`${d}( ${u}, ${l} )`,n,t):e.isMatrix(a)&&"float"===o?e.format(`${l} ${r} ${u}`,n,t):e.format(`${u} ${r} ${l}`,n,t)}serialize(e){super.serialize(e),e.op=this.op}deserialize(e){super.deserialize(e),this.op=e.op}}const Oa=dn(Da,"+").setParameterLength(2,1/0).setName("add"),Ia=dn(Da,"-").setParameterLength(2,1/0).setName("sub"),Va=dn(Da,"*").setParameterLength(2,1/0).setName("mul"),ka=dn(Da,"/").setParameterLength(2,1/0).setName("div"),Ga=dn(Da,"%").setParameterLength(2).setName("mod"),za=dn(Da,"==").setParameterLength(2).setName("equal"),$a=dn(Da,"!=").setParameterLength(2).setName("notEqual"),Wa=dn(Da,"<").setParameterLength(2).setName("lessThan"),Ha=dn(Da,">").setParameterLength(2).setName("greaterThan"),ja=dn(Da,"<=").setParameterLength(2).setName("lessThanEqual"),qa=dn(Da,">=").setParameterLength(2).setName("greaterThanEqual"),Xa=dn(Da,"&&").setParameterLength(2,1/0).setName("and"),Ya=dn(Da,"||").setParameterLength(2,1/0).setName("or"),Qa=dn(Da,"!").setParameterLength(1).setName("not"),Ka=dn(Da,"^^").setParameterLength(2).setName("xor"),Za=dn(Da,"&").setParameterLength(2).setName("bitAnd"),Ja=dn(Da,"~").setParameterLength(1).setName("bitNot"),eo=dn(Da,"|").setParameterLength(2).setName("bitOr"),to=dn(Da,"^").setParameterLength(2).setName("bitXor"),ro=dn(Da,"<<").setParameterLength(2).setName("shiftLeft"),so=dn(Da,">>").setParameterLength(2).setName("shiftRight"),io=gn(([e])=>(e.addAssign(1),e)),no=gn(([e])=>(e.subAssign(1),e)),ao=gn(([e])=>{const t=_n(e).toConst();return e.addAssign(1),t}),oo=gn(([e])=>{const t=_n(e).toConst();return e.subAssign(1),t});Ai("add",Oa),Ai("sub",Ia),Ai("mul",Va),Ai("div",ka),Ai("mod",Ga),Ai("equal",za),Ai("notEqual",$a),Ai("lessThan",Wa),Ai("greaterThan",Ha),Ai("lessThanEqual",ja),Ai("greaterThanEqual",qa),Ai("and",Xa),Ai("or",Ya),Ai("not",Qa),Ai("xor",Ka),Ai("bitAnd",Za),Ai("bitNot",Ja),Ai("bitOr",eo),Ai("bitXor",to),Ai("shiftLeft",ro),Ai("shiftRight",so),Ai("incrementBefore",io),Ai("decrementBefore",no),Ai("increment",ao),Ai("decrement",oo);class uo extends fi{static get type(){return"MathNode"}constructor(e,t,r=null,s=null){if(super(),(e===uo.MAX||e===uo.MIN)&&arguments.length>3){let i=new uo(e,t,r);for(let t=3;tn&&i>a?t:n>a?r:a>i?s:t}generateNodeType(e){const t=this.method;return t===uo.LENGTH||t===uo.DISTANCE||t===uo.DOT?"float":t===uo.CROSS?"vec3":t===uo.ALL||t===uo.ANY?"bool":t===uo.EQUALS?e.changeComponentType(this.aNode.getNodeType(e),"bool"):this.getInputType(e)}setup(e){const{aNode:t,bNode:r,method:s}=this;let i=null;if(s===uo.ONE_MINUS)i=Ia(1,t);else if(s===uo.RECIPROCAL)i=ka(1,t);else if(s===uo.DIFFERENCE)i=zo(Ia(t,r));else if(s===uo.TRANSFORM_DIRECTION){let s,n;e.isMatrix(t.getNodeType(e))?(s=t,n=r):(s=r,n=t),i=Ao(Va(s,Ln(An(n),0)).xyz)}return null!==i?i:super.setup(e)}generate(e,t){if(e.getNodeProperties(this).outputNode)return super.generate(e,t);let r=this.method;const s=this.getNodeType(e),i=this.getInputType(e),n=this.aNode,a=this.bNode,o=this.cNode,u=e.renderer.coordinateSystem;if(r===uo.NEGATE)return e.format("( - "+n.build(e,i)+" )",s,t);{const l=[];return r===uo.CROSS?l.push(n.build(e,s),a.build(e,s)):u===c&&r===uo.STEP?l.push(n.build(e,1===e.getTypeLength(n.getNodeType(e))?"float":i),a.build(e,i)):u!==c||r!==uo.MIN&&r!==uo.MAX?r===uo.REFRACT?l.push(n.build(e,i),a.build(e,i),o.build(e,"float")):r===uo.MIX?l.push(n.build(e,i),a.build(e,i),o.build(e,1===e.getTypeLength(o.getNodeType(e))?"float":i)):(u===h&&r===uo.ATAN&&null!==a&&(r="atan2"),"fragment"===e.shaderStage||r!==uo.DFDX&&r!==uo.DFDY||(d(`TSL: '${r}' is not supported in the ${e.shaderStage} stage.`,this.stackTrace),r="/*"+r+"*/"),l.push(n.build(e,i)),null!==a&&l.push(a.build(e,i)),null!==o&&l.push(o.build(e,i))):l.push(n.build(e,i),a.build(e,1===e.getTypeLength(a.getNodeType(e))?"float":i)),e.format(`${e.getMethod(r,s)}( ${l.join(", ")} )`,s,t)}}serialize(e){super.serialize(e),e.method=this.method}deserialize(e){super.deserialize(e),this.method=e.method}}uo.ALL="all",uo.ANY="any",uo.RADIANS="radians",uo.DEGREES="degrees",uo.EXP="exp",uo.EXP2="exp2",uo.LOG="log",uo.LOG2="log2",uo.SQRT="sqrt",uo.INVERSE_SQRT="inversesqrt",uo.FLOOR="floor",uo.CEIL="ceil",uo.NORMALIZE="normalize",uo.FRACT="fract",uo.SIN="sin",uo.SINH="sinh",uo.COS="cos",uo.COSH="cosh",uo.TAN="tan",uo.TANH="tanh",uo.ASIN="asin",uo.ASINH="asinh",uo.ACOS="acos",uo.ACOSH="acosh",uo.ATAN="atan",uo.ATANH="atanh",uo.ABS="abs",uo.SIGN="sign",uo.LENGTH="length",uo.NEGATE="negate",uo.ONE_MINUS="oneMinus",uo.DFDX="dFdx",uo.DFDY="dFdy",uo.ROUND="round",uo.RECIPROCAL="reciprocal",uo.TRUNC="trunc",uo.FWIDTH="fwidth",uo.TRANSPOSE="transpose",uo.DETERMINANT="determinant",uo.INVERSE="inverse",uo.EQUALS="equals",uo.MIN="min",uo.MAX="max",uo.STEP="step",uo.REFLECT="reflect",uo.DISTANCE="distance",uo.DIFFERENCE="difference",uo.DOT="dot",uo.CROSS="cross",uo.POW="pow",uo.TRANSFORM_DIRECTION="transformDirection",uo.MIX="mix",uo.CLAMP="clamp",uo.REFRACT="refract",uo.SMOOTHSTEP="smoothstep",uo.FACEFORWARD="faceforward";const lo=Tn(1e-6),co=Tn(1e6),ho=Tn(Math.PI),po=Tn(2*Math.PI),go=Tn(2*Math.PI),mo=Tn(.5*Math.PI),fo=dn(uo,uo.ALL).setParameterLength(1),yo=dn(uo,uo.ANY).setParameterLength(1),bo=dn(uo,uo.RADIANS).setParameterLength(1),xo=dn(uo,uo.DEGREES).setParameterLength(1),To=dn(uo,uo.EXP).setParameterLength(1),_o=dn(uo,uo.EXP2).setParameterLength(1),vo=dn(uo,uo.LOG).setParameterLength(1),No=dn(uo,uo.LOG2).setParameterLength(1),So=dn(uo,uo.SQRT).setParameterLength(1),Eo=dn(uo,uo.INVERSE_SQRT).setParameterLength(1),Ro=dn(uo,uo.FLOOR).setParameterLength(1),wo=dn(uo,uo.CEIL).setParameterLength(1),Ao=dn(uo,uo.NORMALIZE).setParameterLength(1),Co=dn(uo,uo.FRACT).setParameterLength(1),Mo=dn(uo,uo.SIN).setParameterLength(1),Bo=dn(uo,uo.SINH).setParameterLength(1),Lo=dn(uo,uo.COS).setParameterLength(1),Fo=dn(uo,uo.COSH).setParameterLength(1),Po=dn(uo,uo.TAN).setParameterLength(1),Uo=dn(uo,uo.TANH).setParameterLength(1),Do=dn(uo,uo.ASIN).setParameterLength(1),Oo=dn(uo,uo.ASINH).setParameterLength(1),Io=dn(uo,uo.ACOS).setParameterLength(1),Vo=dn(uo,uo.ACOSH).setParameterLength(1),ko=dn(uo,uo.ATAN).setParameterLength(1,2),Go=dn(uo,uo.ATANH).setParameterLength(1),zo=dn(uo,uo.ABS).setParameterLength(1),$o=dn(uo,uo.SIGN).setParameterLength(1),Wo=dn(uo,uo.LENGTH).setParameterLength(1),Ho=dn(uo,uo.NEGATE).setParameterLength(1),jo=dn(uo,uo.ONE_MINUS).setParameterLength(1),qo=dn(uo,uo.DFDX).setParameterLength(1),Xo=dn(uo,uo.DFDY).setParameterLength(1),Yo=dn(uo,uo.ROUND).setParameterLength(1),Qo=dn(uo,uo.RECIPROCAL).setParameterLength(1),Ko=dn(uo,uo.TRUNC).setParameterLength(1),Zo=dn(uo,uo.FWIDTH).setParameterLength(1),Jo=dn(uo,uo.TRANSPOSE).setParameterLength(1),eu=dn(uo,uo.DETERMINANT).setParameterLength(1),tu=dn(uo,uo.INVERSE).setParameterLength(1),ru=dn(uo,uo.MIN).setParameterLength(2,1/0),su=dn(uo,uo.MAX).setParameterLength(2,1/0),iu=dn(uo,uo.STEP).setParameterLength(2),nu=dn(uo,uo.REFLECT).setParameterLength(2),au=dn(uo,uo.DISTANCE).setParameterLength(2),ou=dn(uo,uo.DIFFERENCE).setParameterLength(2),uu=dn(uo,uo.DOT).setParameterLength(2),lu=dn(uo,uo.CROSS).setParameterLength(2),du=dn(uo,uo.POW).setParameterLength(2),cu=e=>Va(e,e),hu=e=>Va(e,e,e),pu=e=>Va(e,e,e,e),gu=dn(uo,uo.TRANSFORM_DIRECTION).setParameterLength(2),mu=(e,t)=>Ao(Va(t,Ln(An(e),0)).xyz),fu=(e,t)=>Ao(Ln(An(e),0).mul(t).xyz),yu=e=>Va($o(e),du(zo(e),1/3)),bu=e=>uu(e,e),xu=dn(uo,uo.MIX).setParameterLength(3),Tu=(e,t=0,r=1)=>new uo(uo.CLAMP,sn(e),sn(t),sn(r)),_u=e=>Tu(e),vu=dn(uo,uo.REFRACT).setParameterLength(3),Nu=dn(uo,uo.SMOOTHSTEP).setParameterLength(3),Su=dn(uo,uo.FACEFORWARD).setParameterLength(3),Eu=gn(([e])=>{const t=uu(e.xy,Sn(12.9898,78.233)),r=Ga(t,ho);return Co(Mo(r).mul(43758.5453))}),Ru=(e,t,r)=>xu(t,r,e),wu=(e,t,r)=>Nu(t,r,e),Au=(e,t)=>iu(t,e),Cu=Su,Mu=Eo;Ai("all",fo),Ai("any",yo),Ai("radians",bo),Ai("degrees",xo),Ai("exp",To),Ai("exp2",_o),Ai("log",vo),Ai("log2",No),Ai("sqrt",So),Ai("inverseSqrt",Eo),Ai("floor",Ro),Ai("ceil",wo),Ai("normalize",Ao),Ai("fract",Co),Ai("sin",Mo),Ai("sinh",Bo),Ai("cos",Lo),Ai("cosh",Fo),Ai("tan",Po),Ai("tanh",Uo),Ai("asin",Do),Ai("asinh",Oo),Ai("acos",Io),Ai("acosh",Vo),Ai("atan",ko),Ai("atanh",Go),Ai("abs",zo),Ai("sign",$o),Ai("length",Wo),Ai("lengthSq",bu),Ai("negate",Ho),Ai("oneMinus",jo),Ai("dFdx",qo),Ai("dFdy",Xo),Ai("round",Yo),Ai("reciprocal",Qo),Ai("trunc",Ko),Ai("fwidth",Zo),Ai("min",ru),Ai("max",su),Ai("step",Au),Ai("reflect",nu),Ai("distance",au),Ai("dot",uu),Ai("cross",lu),Ai("pow",du),Ai("pow2",cu),Ai("pow3",hu),Ai("pow4",pu),Ai("transformDirection",gu),Ai("transformNormalByViewMatrix",mu),Ai("transformNormalByInverseViewMatrix",fu),Ai("mix",Ru),Ai("clamp",Tu),Ai("refract",vu),Ai("smoothstep",wu),Ai("faceForward",Su),Ai("difference",ou),Ai("saturate",_u),Ai("cbrt",yu),Ai("transpose",Jo),Ai("determinant",eu),Ai("inverse",tu),Ai("rand",Eu);class Bu extends pi{static get type(){return"ConditionalNode"}constructor(e,t,r=null){super(),this.condNode=e,this.ifNode=t,this.elseNode=r}generateNodeType(e){const{ifNode:t,elseNode:r}=e.getNodeProperties(this);if(void 0===t)return e.flowBuildStage(this,"setup"),this.getNodeType(e);const s=t.getNodeType(e);if(null!==r){const t=r.getNodeType(e);if(e.getTypeLength(t)>e.getTypeLength(s))return t}return s}setup(e){const t=this.condNode,r=this.ifNode.isolate(),s=this.elseNode?this.elseNode.isolate():null,i=e.context.nodeBlock;e.getDataFromNode(r).parentNodeBlock=i,null!==s&&(e.getDataFromNode(s).parentNodeBlock=i);const n=e.context.uniformFlow,a=e.getNodeProperties(this);a.condNode=t,a.ifNode=n?r:r.context({nodeBlock:r}),a.elseNode=s?n?s:s.context({nodeBlock:s}):null}generate(e,t){const r=this.getNodeType(e),s=e.getDataFromNode(this);if(void 0!==s.nodeProperty)return s.nodeProperty;const{condNode:i,ifNode:n,elseNode:a}=e.getNodeProperties(this),o=e.currentFunctionNode,u="void"!==t,l=u?zn(r).build(e):"";s.nodeProperty=l;const c=i.build(e,"bool");if(e.context.uniformFlow&&null!==a){const s=n.build(e,r),i=a.build(e,r),o=e.getTernary(c,s,i);return e.format(o,r,t)}e.addFlowCode(`\n${e.tab}if ( ${c} ) {\n\n`).addFlowTab();let h=n.build(e,r);if(h&&(u?h=l+" = "+h+";":(h="return "+h+";",null===o&&(d("TSL: Return statement used in an inline 'Fn()'. Define a layout struct to allow return values.",this.stackTrace),h="// "+h))),e.removeFlowTab().addFlowCode(e.tab+"\t"+h+"\n\n"+e.tab+"}"),null!==a){e.addFlowCode(" else {\n\n").addFlowTab();let t=a.build(e,r);t&&(u?t=l+" = "+t+";":(t="return "+t+";",null===o&&(d("TSL: Return statement used in an inline 'Fn()'. Define a layout struct to allow return values.",this.stackTrace),t="// "+t))),e.removeFlowTab().addFlowCode(e.tab+"\t"+t+"\n\n"+e.tab+"}\n\n")}else e.addFlowCode("\n\n");return e.format(l,r,t)}}const Lu=un(Bu).setParameterLength(2,3);Ai("select",Lu);class Fu extends pi{static get type(){return"ContextNode"}constructor(e=null,t={}){super(),this.isContextNode=!0,this.node=e,this.value=t}getScope(){return this.node.getScope()}generateNodeType(e){return this.node.getNodeType(e)}getFlowContextData(){const e=[];return this.traverse(t=>{!0===t.isContextNode&&e.push(t.value)}),Object.assign({},...e)}getMemberType(e,t){return this.node.getMemberType(e,t)}analyze(e){const t=e.addContext(this.value);this.node.build(e),e.setContext(t)}setup(e){const t=e.addContext(this.value);this.node.build(e),e.setContext(t)}generate(e,t){const r=e.addContext(this.value),s=this.node.build(e,t);return e.setContext(r),s}}const Pu=(e=null,t={})=>{let r=e;return null!==r&&!0===r.isNode||(t=r||t,r=null),new Fu(r,t)},Uu=e=>Pu(e,{uniformFlow:!0}),Du=(e,t)=>Pu(e,{nodeName:t});function Ou(e,t,r=null){return Pu(r,{getShadow:({light:r,shadowColorNode:s})=>t===r?s.mul(e):s})}function Iu(e,t=null){return Pu(t,{getAO:(t,{material:r})=>!0===r.transparent?t:null!==t?t.mul(e):e})}function Vu(e,t){return d('TSL: "label()" has been deprecated. Use "setName()" instead.'),Du(e,t)}Ai("context",Pu),Ai("label",Vu),Ai("uniformFlow",Uu),Ai("setName",Du),Ai("builtinShadowContext",(e,t,r)=>Ou(t,r,e)),Ai("builtinAOContext",(e,t)=>Iu(t,e));class ku extends pi{static get type(){return"VarNode"}constructor(e,t=null,r=!1){super(),this.node=e,this.name=t,this.global=!0,this.isVarNode=!0,this.readOnly=r,this.parents=!0,this.intent=!1}setIntent(e){return this.intent=e,this}isIntent(e){return!0!==e.getDataFromNode(this).forceDeclaration&&this.intent}getIntent(){return this.intent}getMemberType(e,t){return this.node.getMemberType(e,t)}getElementType(e){return this.node.getElementType(e)}generateNodeType(e){return this.node.getNodeType(e)}getArrayCount(e){return this.node.getArrayCount(e)}isAssign(e){return e.getDataFromNode(this).assign}build(...e){const t=e[0],r=this.getShared(t);if(this!==r)return r.build(...e);if(!1===this._hasStack(t)&&"setup"===t.buildStage&&(t.context.nodeLoop||t.context.nodeBlock)){let e=!1;if(this.node.isShaderCallNodeInternal&&null===this.node.shaderNode.getLayout()&&t.fnCall&&t.fnCall.shaderNode){if(t.getDataFromNode(this.node.shaderNode).hasLoop){t.getDataFromNode(this).forceDeclaration=!0,e=!0}}const r=t.getBaseStack();e?r.addToStackBefore(this):r.addToStack(this)}return this.isIntent(t)&&!0!==this.isAssign(t)?this.node.build(...e):super.build(...e)}generate(e){const{node:t,name:r,readOnly:s}=this,{renderer:i}=e,n=!0===i.backend.isWebGPUBackend;let a=!1,u=!1;s&&(a=e.isDeterministic(t),u=n?s:a);const l=this.getNodeType(e);if("void"==l){!0!==this.isIntent(e)&&o('TSL: ".toVar()" can not be used with void type.',this.stackTrace);return t.build(e)}const d=e.getVectorType(l),c=t.build(e,d),h=e.getVarFromNode(this,r,d,void 0,u),p=e.getPropertyName(h);let g=p;if(u)if(n)g=a?`const ${p}`:`let ${p}`;else{const r=t.getArrayCount(e);g=`const ${e.getVar(h.type,p,r)}`}return e.addLineFlowCode(`${g} = ${c}`,this),p}_hasStack(e){return void 0!==e.getDataFromNode(this).stack}}const Gu=un(ku),zu=(e,t=null)=>Gu(e,t).toStack(),$u=(e,t=null)=>Gu(e,t,!0).toStack(),Wu=e=>Gu(e).setIntent(!0).toStack();Ai("toVar",zu),Ai("toConst",$u),Ai("toVarIntent",Wu);class Hu extends pi{static get type(){return"SubBuild"}constructor(e,t,r=null){super(r),this.node=e,this.name=t,this.isSubBuildNode=!0}generateNodeType(e){if(null!==this.nodeType)return this.nodeType;e.addSubBuild(this.name);const t=this.node.getNodeType(e);return e.removeSubBuild(),t}build(e,...t){e.addSubBuild(this.name);const r=this.node.build(e,...t);return e.removeSubBuild(),r}}const ju=(e,t,r=null)=>new Hu(sn(e),t,r);class qu extends pi{static get type(){return"VaryingNode"}constructor(e,t=null){super(),this.node=ju(e,"VERTEX"),this.name=t,this.isVaryingNode=!0,this.interpolationType=null,this.interpolationSampling=null,this.global=!0}setInterpolation(e,t=null){return this.interpolationType=e,this.interpolationSampling=t,this}getHash(e){return this.name||super.getHash(e)}generateNodeType(e){return this.node.getNodeType(e)}setupVarying(e){const t=e.getNodeProperties(this);let r=t.varying;if(void 0===r){const s=this.name,i=this.getNodeType(e),n=this.interpolationType,a=this.interpolationSampling;t.varying=r=e.getVaryingFromNode(this,s,i,n,a),t.node=ju(this.node,"VERTEX")}return r.needsInterpolation||(r.needsInterpolation="fragment"===e.shaderStage),r}setup(e){this.setupVarying(e),e.flowNodeFromShaderStage(si.VERTEX,this.node)}analyze(e){this.setupVarying(e),e.flowNodeFromShaderStage(si.VERTEX,this.node)}generate(e){const t=e.getSubBuildProperty("property",e.currentStack),r=e.getNodeProperties(this),s=this.setupVarying(e);if(void 0===r[t]){const i=this.getNodeType(e),n=e.getPropertyName(s,si.VERTEX);if(e.shaderStage===si.VERTEX){const t=r.node.build(e,i);e.addLineFlowCode(`${n} = ${t}`,this)}else e.flowNodeFromShaderStage(si.VERTEX,r.node,i,n);r[t]=n}return e.getPropertyName(s)}}const Xu=un(qu).setParameterLength(1,2),Yu=e=>Xu(e);Ai("toVarying",Xu),Ai("toVertexStage",Yu);const Qu=gn(([e])=>{const t=e.mul(.9478672986).add(.0521327014).pow(2.4),r=e.mul(.0773993808),s=e.lessThanEqual(.04045);return xu(t,r,s)}).setLayout({name:"sRGBTransferEOTF",type:"vec3",inputs:[{name:"color",type:"vec3"}]}),Ku=gn(([e])=>{const t=e.pow(.41666).mul(1.055).sub(.055),r=e.mul(12.92),s=e.lessThanEqual(.0031308);return xu(t,r,s)}).setLayout({name:"sRGBTransferOETF",type:"vec3",inputs:[{name:"color",type:"vec3"}]}),Zu="WorkingColorSpace";class Ju extends fi{static get type(){return"ColorSpaceNode"}constructor(e,t,r){super("vec4"),this.colorNode=e,this.source=t,this.target=r}resolveColorSpace(e,t){return t===Zu?p.workingColorSpace:"OutputColorSpace"===t?e.context.outputColorSpace||e.renderer.outputColorSpace:t}setup(e){const{colorNode:t}=this,r=this.resolveColorSpace(e,this.source),s=this.resolveColorSpace(e,this.target);let i=t;return!1!==p.enabled&&r!==s&&r&&s?(p.getTransfer(r)===g&&(i=Ln(Qu(i.rgb),i.a)),p.getPrimaries(r)!==p.getPrimaries(s)&&(i=Ln(On(p._getMatrix(new n,r,s)).mul(i.rgb),i.a)),p.getTransfer(s)===g&&(i=Ln(Ku(i.rgb),i.a)),i):i}}const el=(e,t)=>new Ju(sn(e),Zu,t),tl=(e,t)=>new Ju(sn(e),t,Zu);Ai("workingToColorSpace",el),Ai("colorSpaceToWorking",tl);let rl=class extends gi{static get type(){return"ReferenceElementNode"}constructor(e,t){super(e,t),this.referenceNode=e,this.isReferenceElementNode=!0}generateNodeType(){return this.referenceNode.uniformType}generate(e){const t=super.generate(e),r=this.referenceNode.getNodeType(),s=this.getNodeType();return e.format(t,r,s)}};class sl extends pi{static get type(){return"ReferenceBaseNode"}constructor(e,t,r=null,s=null){super(),this.property=e,this.uniformType=t,this.object=r,this.count=s,this.properties=e.split("."),this.reference=r,this.node=null,this.group=null,this.updateType=ii.OBJECT}setGroup(e){return this.group=e,this}element(e){return new rl(this,sn(e))}setNodeType(e){const t=Aa(null,e);null!==this.group&&t.setGroup(this.group),this.node=t}generateNodeType(e){return null===this.node&&(this.updateReference(e),this.updateValue()),this.node.getNodeType(e)}getValueFromReference(e=this.reference){const{properties:t}=this;let r=e[t[0]];for(let e=1;enew il(e,t,r);class al extends fi{static get type(){return"ToneMappingNode"}constructor(e,t=ul,r=null){super("vec3"),this._toneMapping=e,this.exposureNode=t,this.colorNode=r}customCacheKey(){return $s(this._toneMapping)}setToneMapping(e){return this._toneMapping=e,this}getToneMapping(){return this._toneMapping}setup(e){const t=this.colorNode||e.context.color,r=this._toneMapping;if(r===m)return t;let s=null;const i=e.renderer.library.getToneMappingFunction(r);return null!==i?s=Ln(i(t.rgb,this.exposureNode),t.a):(o("ToneMappingNode: Unsupported Tone Mapping configuration.",r),s=t),s}}const ol=(e,t,r)=>new al(e,sn(t),sn(r)),ul=nl("toneMappingExposure","float");Ai("toneMapping",(e,t,r)=>ol(t,r,e));const ll=new WeakMap;function dl(e,t){let r=ll.get(e);return void 0===r&&(r=new b(e,t),ll.set(e,r)),r}class cl extends vi{static get type(){return"BufferAttributeNode"}constructor(e,t=null,r=0,s=0){super(e,t),this.isBufferNode=!0,this.bufferType=t,this.bufferStride=r,this.bufferOffset=s,this.usage=f,this.instanced=!1,this.attribute=null,this.global=!0,e&&!0===e.isBufferAttribute&&e.itemSize<=4&&(this.attribute=e,this.usage=e.usage,this.instanced=e.isInstancedBufferAttribute)}getHash(e){let t;if(0===this.bufferStride&&0===this.bufferOffset){let r=e.globalCache.getData(this.value);void 0===r&&(r={node:this},e.globalCache.setData(this.value,r)),t=r.node.id}else t=this.id;return String(t)}generateNodeType(e){return null===this.bufferType&&(this.bufferType=e.getTypeFromAttribute(this.attribute)),this.bufferType}setup(e){if(null!==this.attribute)return;const t=this.getNodeType(e),r=e.getTypeLength(t),s=this.value,i=this.bufferStride||r,n=this.bufferOffset;let a;a=!0===s.isInterleavedBuffer?s:!0===s.isBufferAttribute?dl(s.array,i):dl(s,i);const o=new y(a,r,n);a.setUsage(this.usage),this.attribute=o,this.attribute.isInstancedBufferAttribute=this.instanced}generate(e){const t=this.getNodeType(e),r=e.context.nodeName;void 0!==r&&delete e.context.nodeName;const s=e.getBufferAttributeFromNode(this,t,r),i=e.getPropertyName(s);let n=null;if("vertex"===e.shaderStage||"compute"===e.shaderStage)this.name=i,n=i;else{let s;r&&(s=r+"Varying");n=Xu(this,s).build(e,t)}return n}getInputType(){return"bufferAttribute"}setUsage(e){return this.usage=e,this.attribute&&!0===this.attribute.isBufferAttribute&&(this.attribute.usage=e),this}setInstanced(e){return this.instanced=e,this}}function hl(e,t=null,r=0,s=0,i=f,n=!1){return"mat3"===t||null===t&&9===e.itemSize?On(new cl(e,"vec3",9,0).setUsage(i).setInstanced(n),new cl(e,"vec3",9,3).setUsage(i).setInstanced(n),new cl(e,"vec3",9,6).setUsage(i).setInstanced(n)):"mat4"===t||null===t&&16===e.itemSize?In(new cl(e,"vec4",16,0).setUsage(i).setInstanced(n),new cl(e,"vec4",16,4).setUsage(i).setInstanced(n),new cl(e,"vec4",16,8).setUsage(i).setInstanced(n),new cl(e,"vec4",16,12).setUsage(i).setInstanced(n)):new cl(e,t,r,s).setUsage(i)}const pl=(e,t=null,r=0,s=0)=>hl(e,t,r,s),gl=(e,t=null,r=0,s=0)=>hl(e,t,r,s,f,!0),ml=(e,t=null,r=0,s=0)=>hl(e,t,r,s,x,!0);Ai("toAttribute",e=>pl(e.value));class fl extends pi{static get type(){return"IndexNode"}constructor(e){super("uint"),this.scope=e,this.isIndexNode=!0}generate(e){const t=this.getNodeType(e),r=this.scope;let s,i;if(r===fl.VERTEX)s=e.getVertexIndex();else if(r===fl.INSTANCE)s=e.getInstanceIndex();else if(r===fl.DRAW)s=e.getDrawIndex();else if(r===fl.INVOCATION_LOCAL)s=e.getInvocationLocalIndex();else if(r===fl.INVOCATION_SUBGROUP)s=e.getInvocationSubgroupIndex();else{if(r!==fl.SUBGROUP)throw new Error("THREE.IndexNode: Unknown scope: "+r);s=e.getSubgroupIndex()}if("vertex"===e.shaderStage||"compute"===e.shaderStage)i=s;else{i=Xu(this).build(e,t)}return i}}fl.VERTEX="vertex",fl.INSTANCE="instance",fl.SUBGROUP="subgroup",fl.INVOCATION_LOCAL="invocationLocal",fl.INVOCATION_SUBGROUP="invocationSubgroup",fl.DRAW="draw";const yl=ln(fl,fl.VERTEX),bl=ln(fl,fl.INSTANCE),xl=ln(fl,fl.SUBGROUP),Tl=ln(fl,fl.INVOCATION_SUBGROUP),_l=ln(fl,fl.INVOCATION_LOCAL),vl=ln(fl,fl.DRAW);class Nl extends pi{static get type(){return"ComputeNode"}constructor(e,t){super("void"),this.isComputeNode=!0,this.computeNode=e,this.workgroupSize=t,this.count=null,this.dispatchSize=null,this.version=1,this.name="",this.updateBeforeType=ii.OBJECT,this.onInitFunction=null,this.countNode=null}dispose(){this.dispatchEvent({type:"dispose"})}setName(e){return this.name=e,this}label(e){return d('TSL: "label()" has been deprecated. Use "setName()" instead.',new Vs),this.setName(e)}onInit(e){return this.onInitFunction=e,this}updateBefore({renderer:e}){e.compute(this)}setup(e){null!==this.count&&null===this.countNode&&(this.countNode=Aa(this.count,"uint").onObjectUpdate(()=>this.count));const t=this.computeNode.build(e);if(t){e.getNodeProperties(this).outputComputeNode=t.outputNode,t.outputNode=null}return t}generate(e,t){const{shaderStage:r}=e;if("compute"===r){const t=this.computeNode.build(e,"void");if(""!==t&&e.addLineFlowCode(t,this),null!==this.count&&!0===e.allowEarlyReturns){const t=this.countNode.build(e,"uint"),r=bl.build(e,"uint");e.flow.code=`${e.tab}if ( ${r} >= ${t} ) { return; }\n\n${e.flow.code}`}}else{const r=e.getNodeProperties(this).outputComputeNode;if(r)return r.build(e,t)}}}const Sl=(e,t=[64])=>{(0===t.length||t.length>3)&&o("TSL: compute() workgroupSize must have 1, 2, or 3 elements",new Vs);for(let e=0;e{const s=Sl(e,r);return"number"==typeof t?s.count=t:s.dispatchSize=t,s};Ai("compute",El),Ai("computeKernel",Sl);class Rl extends pi{static get type(){return"IsolateNode"}constructor(e,t=!0){super(),this.node=e,this.parent=t,this.isIsolateNode=!0}generateNodeType(e){const t=e.getCache(),r=e.getCacheFromNode(this,this.parent);e.setCache(r);const s=this.node.getNodeType(e);return e.setCache(t),s}build(e,...t){const r=e.getCache(),s=e.getCacheFromNode(this,this.parent);e.setCache(s);const i=this.node.build(e,...t);return e.setCache(r),i}setParent(e){return this.parent=e,this}getParent(){return this.parent}}const wl=e=>new Rl(sn(e));function Al(e,t=!0){return d('TSL: "cache()" has been deprecated. Use "isolate()" instead.'),wl(e).setParent(t)}Ai("cache",Al),Ai("isolate",wl);class Cl extends pi{static get type(){return"BypassNode"}constructor(e,t){super(),this.isBypassNode=!0,this.outputNode=e,this.callNode=t}generateNodeType(e){return this.outputNode.getNodeType(e)}generate(e){const t=this.callNode.build(e,"void");return""!==t&&e.addLineFlowCode(t,this),this.outputNode.build(e)}}const Ml=un(Cl).setParameterLength(2);Ai("bypass",Ml);const Bl=gn(([e,t,r,s=Tn(0),i=Tn(1),n=Nn(!1)])=>{let a=e.sub(t).div(r.sub(t));return en(n)&&(a=a.clamp()),a.mul(i.sub(s)).add(s)});function Ll(e,t,r,s=Tn(0),i=Tn(1)){return Bl(e,t,r,s,i,!0)}Ai("remap",Bl),Ai("remapClamp",Ll);class Fl extends pi{static get type(){return"ExpressionNode"}constructor(e="",t="void"){super(t),this.snippet=e}generate(e,t){const r=this.getNodeType(e),s=this.snippet;if("void"!==r)return e.format(s,r,t);e.addLineFlowCode(s,this)}}const Pl=un(Fl).setParameterLength(1,2),Ul=e=>(e?Lu(e,Pl("discard")):Pl("discard")).toStack();Ai("discard",Ul);const Dl=gn(([e])=>Ln(e.rgb.mul(e.a),e.a),{color:"vec4",return:"vec4"}),Ol=gn(([e])=>e.a.equal(0).select(Ln(0),Ln(e.rgb.div(e.a),e.a)),{color:"vec4",return:"vec4"});class Il extends fi{static get type(){return"RenderOutputNode"}constructor(e,t,r){super("vec4"),this.colorNode=e,this._toneMapping=t,this.outputColorSpace=r,this.isRenderOutputNode=!0}setToneMapping(e){return this._toneMapping=e,this}getToneMapping(){return this._toneMapping}setup({context:e}){let t=this.colorNode||e.color;t=Ln(t.rgb,t.a.clamp(0,1)),t=Ol(t);const r=(null!==this._toneMapping?this._toneMapping:e.toneMapping)||m,s=(null!==this.outputColorSpace?this.outputColorSpace:e.outputColorSpace)||T;return r!==m&&(t=t.toneMapping(r)),s!==T&&s!==p.workingColorSpace&&(t=t.workingToColorSpace(s)),t=Dl(t),t}}const Vl=(e,t=null,r=null)=>new Il(sn(e),t,r);Ai("renderOutput",Vl);class kl extends fi{static get type(){return"DebugNode"}constructor(e,t=null){super(),this.node=e,this.callback=t}generateNodeType(e){return this.node.getNodeType(e)}setup(e){return this.node.build(e)}analyze(e){return this.node.build(e)}generate(e){const t=this.callback,r=this.node.build(e);if(null!==t)t(e,r);else{const t="--- TSL debug - "+e.shaderStage+" shader ---",s="-".repeat(t.length);let i="";i+="// #"+t+"#\n",i+=e.flow.code.replace(/^\t/gm,"")+"\n",i+="/* ... */ "+r+" /* ... */\n",i+="// #"+s+"#\n",_(i)}return r}}const Gl=(e,t=null)=>new kl(sn(e),t).toStack();Ai("debug",Gl);class zl extends u{constructor(){super(),this._renderer=null,this.currentFrame=null}get nodeFrame(){return this._renderer._nodes.nodeFrame}setRenderer(e){return this._renderer=e,this}getRenderer(){return this._renderer}init(){}begin(){}finish(){}inspect(){}computeAsync(){}beginCompute(){}finishCompute(){}beginRender(){}finishRender(){}copyTextureToTexture(){}copyFramebufferToTexture(){}}class $l extends pi{static get type(){return"InspectorNode"}constructor(e,t="",r=null){super(),this.node=e,this.name=t,this.callback=r,this.updateType=ii.FRAME,this.isInspectorNode=!0}getName(){return this.name||this.node.name}update(e){e.renderer.inspector.inspect(this)}generateNodeType(e){return this.node.getNodeType(e)}setup(e){let t=this.node;return!0===e.context.inspector&&null!==this.callback&&(t=this.callback(t)),!0!==e.renderer.backend.isWebGPUBackend&&e.renderer.inspector.constructor!==zl&&v('TSL: ".toInspector()" is only available with WebGPU.'),t}}function Wl(e,t="",r=null){return(e=sn(e)).before(new $l(e,t,r))}Ai("toInspector",Wl);class Hl extends pi{static get type(){return"AttributeNode"}constructor(e,t=null){super(t),this.global=!0,this._attributeName=e}getHash(e){return this.getAttributeName(e)}generateNodeType(e){let t=this.nodeType;if(null===t){const r=this.getAttributeName(e);if(e.hasGeometryAttribute(r)){const s=e.geometry.getAttribute(r);t=e.getTypeFromAttribute(s)}else t="float"}return t}setAttributeName(e){return this._attributeName=e,this}getAttributeName(){return this._attributeName}generate(e){const t=this.getAttributeName(e),r=this.getNodeType(e);if(!0===e.hasGeometryAttribute(t)){const s=e.geometry.getAttribute(t),i=e.getTypeFromAttribute(s),n=e.getAttribute(t,i);if("vertex"===e.shaderStage)return e.format(n.name,i,r);return Xu(this).build(e,r)}return d(`AttributeNode: Vertex attribute "${t}" not found on geometry.`),e.generateConst(r)}serialize(e){super.serialize(e),e.global=this.global,e._attributeName=this._attributeName}deserialize(e){super.deserialize(e),this.global=e.global,this._attributeName=e._attributeName}}const jl=(e,t=null)=>new Hl(e,t),ql=(e=0)=>jl("uv"+(e>0?e:""),"vec2");class Xl extends pi{static get type(){return"TextureSizeNode"}constructor(e,t=null){super("uvec2"),this.isTextureSizeNode=!0,this.textureNode=e,this.levelNode=t}generate(e,t){const r=this.textureNode.build(e,"property"),s=null===this.levelNode?"0":this.levelNode.build(e,"int");return e.format(`${e.getMethod("textureDimensions")}( ${r}, ${s} )`,this.getNodeType(e),t)}}const Yl=un(Xl).setParameterLength(1,2);class Ql extends wa{static get type(){return"MaxMipLevelNode"}constructor(e){super(0),this._textureNode=e,this.updateType=ii.FRAME}get textureNode(){return this._textureNode}get texture(){return this._textureNode.value}update(){const e=this.texture,t=e.images,r=t&&t.length>0?t[0]&&t[0].image||t[0]:e.image;if(r&&void 0!==r.width){const{width:e,height:t}=r;this.value=Math.log2(Math.max(e,t))}}}const Kl=un(Ql).setParameterLength(1);class Zl extends Error{constructor(e,t=null){super(e),this.name="NodeError",this.stackTrace=t}}const Jl=new N;class ed extends wa{static get type(){return"TextureNode"}constructor(e=Jl,t=null,r=null,s=null){super(e),this.isTextureNode=!0,this.uvNode=t,this.levelNode=r,this.biasNode=s,this.compareNode=null,this.depthNode=null,this.gradNode=null,this.gatherNode=null,this.offsetNode=null,this.sampler=!0,this.updateMatrix=!1,this.updateType=ii.NONE,this.referenceNode=null,this._value=e,this._matrixUniform=null,this._flipYUniform=null,this.setUpdateMatrix(null===t)}set value(e){this.referenceNode?this.referenceNode.value=e:this._value=e}get value(){return this.referenceNode?this.referenceNode.value:this._value}getUniformHash(){return this.value.uuid}generateNodeType(){return!0===this.value.isDepthTexture?null===this.gatherNode?"float":"vec4":this.value.type===S?"uvec4":this.value.type===E?"ivec4":"vec4"}getInputType(){return"texture"}getDefaultUV(){return ql(this.value.channel)}updateReference(){return this.value}getTransformedUV(e){return null===this._matrixUniform&&(this._matrixUniform=Aa(this.value.matrix)),this._matrixUniform.mul(An(e,1)).xy}setUpdateMatrix(e){return this.updateMatrix=e,this}setupUV(e,t){return e.isFlipY()&&(null===this._flipYUniform&&(this._flipYUniform=Aa(!1)),t=t.toVar(),t=this.sampler?this._flipYUniform.select(t.flipY(),t):this._flipYUniform.select(t.setY(_n(Yl(this,this.levelNode).y).sub(t.y).sub(1)),t)),t}setup(e){const t=e.getNodeProperties(this);t.referenceNode=this.referenceNode;const r=this.value;if(!r||!0!==r.isTexture)throw new Zl("THREE.TSL: `texture( value )` function expects a valid instance of THREE.Texture().",this.stackTrace);const s=gn(()=>{let t=this.uvNode;return null!==t&&!0!==e.context.forceUVContext||!e.context.getUV||(t=e.context.getUV(this,e)),t||(t=this.getDefaultUV()),!0===this.updateMatrix&&(t=this.getTransformedUV(t)),t=this.setupUV(e,t),this.updateType=null!==this._matrixUniform||null!==this._flipYUniform?ii.OBJECT:ii.NONE,t})();let i=this.levelNode;null===i&&e.context.getTextureLevel&&(i=e.context.getTextureLevel(this));let n=null,a=null;if(null!==this.compareNode)if(e.renderer.hasCompatibility(R.TEXTURE_COMPARE))n=this.compareNode;else{const e=r.compareFunction;null===e||e===w||e===A||e===C||e===M?a=this.compareNode:(n=this.compareNode,v('TSL: Only "LessCompare", "LessEqualCompare", "GreaterCompare" and "GreaterEqualCompare" are supported for depth texture comparison fallback.'))}t.uvNode=s,t.levelNode=i,t.biasNode=this.biasNode,t.compareNode=n,t.compareStepNode=a,t.gradNode=this.gradNode,t.gatherNode=this.gatherNode,t.depthNode=this.depthNode,t.offsetNode=this.offsetNode}generateUV(e,t){return t.build(e,!0===this.sampler?"vec2":"ivec2")}generateOffset(e,t){return t.build(e,"ivec2")}generateSnippet(e,t,r,s,i,n,a,o,u,l,d){const c=this.value;let h;return h=i?e.generateTextureBias(c,t,r,i,n,l):o?e.generateTextureGrad(c,t,r,o,n,l):u?a?e.generateTextureGatherCompare(c,t,r,a,n,l,d):e.generateTextureGather(c,t,r,u,n,l,d):a?e.generateTextureCompare(c,t,r,a,n,l):!1===this.sampler?e.generateTextureLoad(c,t,r,s,n,l):s?e.generateTextureLevel(c,t,r,s,n,l):e.generateTexture(c,t,r,n,l),h}generate(e,t){const r=this.value,s=e.getNodeProperties(this),i=super.generate(e,"property");if(/^sampler/.test(t))return i+"_sampler";if(e.isReference(t))return i;{const n=e.getDataFromNode(this);let a=this.getNodeType(e),o=n.propertyName;if(void 0===o){const{uvNode:t,levelNode:u,biasNode:l,compareNode:d,compareStepNode:c,depthNode:h,gradNode:p,gatherNode:g,offsetNode:m}=s,f=this.generateUV(e,t),y=u?u.build(e,"float"):null,b=l?l.build(e,"float"):null,x=h?h.build(e,"int"):null,T=d?d.build(e,"float"):null,_=c?c.build(e,"float"):null,v=p?[p[0].build(e,"vec2"),p[1].build(e,"vec2")]:null,N=g?g.build(e,"int"):null,S=m?this.generateOffset(e,m):null,E=this._flipYUniform?this._flipYUniform.build(e,"bool"):null;N&&(a="vec4");let R=x;null===R&&r.isArrayTexture&&!0!==this.isTexture3DNode&&(R="0");const w=e.getVarFromNode(this);o=e.getPropertyName(w);let A=this.generateSnippet(e,i,f,y,b,R,T,v,N,S,E);if(null!==_){const t=r.compareFunction;A=t===C||t===M?iu(Pl(A,a),Pl(_,"float")).build(e,a):iu(Pl(_,"float"),Pl(A,a)).build(e,a)}e.addLineFlowCode(`${o} = ${A}`,this),n.snippet=A,n.propertyName=o}let u=o;return e.needsToWorkingColorSpace(r)&&(u=tl(Pl(u,a),r.colorSpace).setup(e).build(e,a)),e.format(u,a,t)}}setSampler(e){return this.sampler=e,this}getSampler(){return this.sampler}sample(e){const t=this.clone();return t.uvNode=sn(e),t.referenceNode=this.getBase(),sn(t)}load(e){return this.sample(e).setSampler(!1)}blur(e){const t=this.clone();t.biasNode=sn(e).mul(Kl(t)),t.referenceNode=this.getBase();const r=t.value;return!1===t.generateMipmaps&&(r&&!1===r.generateMipmaps||r.minFilter===B||r.magFilter===B)&&(d("TSL: texture().blur() requires mipmaps and sampling. Use .generateMipmaps=true and .minFilter/.magFilter=THREE.LinearFilter in the Texture."),t.biasNode=null),sn(t)}level(e){const t=this.clone();return t.levelNode=sn(e),t.referenceNode=this.getBase(),sn(t)}size(e){return Yl(this,e)}bias(e){const t=this.clone();return t.biasNode=sn(e),t.referenceNode=this.getBase(),sn(t)}getBase(){return this.referenceNode?this.referenceNode.getBase():this}compare(e){const t=this.clone();return t.compareNode=sn(e),t.referenceNode=this.getBase(),sn(t)}grad(e,t){const r=this.clone();return r.gradNode=[sn(e),sn(t)],r.referenceNode=this.getBase(),sn(r)}gather(e=0){const t=this.clone();return t.gatherNode=sn(e),t.referenceNode=this.getBase(),sn(t)}depth(e){const t=this.clone();return t.depthNode=sn(e),t.referenceNode=this.getBase(),sn(t)}offset(e){const t=this.clone();return t.offsetNode=sn(e),t.referenceNode=this.getBase(),sn(t)}serialize(e){super.serialize(e),e.value=this.value.toJSON(e.meta).uuid,e.sampler=this.sampler,e.updateMatrix=this.updateMatrix,e.updateType=this.updateType}deserialize(e){super.deserialize(e),this.value=e.meta.textures[e.value],this.sampler=e.sampler,this.updateMatrix=e.updateMatrix,this.updateType=e.updateType}update(){const e=this.value,t=this._matrixUniform;null!==t&&(t.value=e.matrix),!0===e.matrixAutoUpdate&&e.updateMatrix();const r=this._flipYUniform;null!==r&&(r.value=e.image instanceof ImageBitmap&&!0===e.flipY||!0===e.isRenderTargetTexture||!0===e.isFramebufferTexture||!0===e.isDepthTexture)}clone(){const e=new this.constructor(this.value,this.uvNode,this.levelNode,this.biasNode);return e.sampler=this.sampler,e.depthNode=this.depthNode,e.compareNode=this.compareNode,e.gradNode=this.gradNode,e.gatherNode=this.gatherNode,e.offsetNode=this.offsetNode,e}}const td=un(ed).setParameterLength(1,4).setName("texture"),rd=(e=Jl,t=null,r=null,s=null)=>{let i;return e&&!0===e.isTextureNode?(i=sn(e.clone()),i.referenceNode=e.getBase(),null!==t&&(i.uvNode=sn(t)),null!==r&&(i.levelNode=sn(r)),null!==s&&(i.biasNode=sn(s))):i=td(e,t,r,s),i},sd=(...e)=>rd(...e).setSampler(!1);class id extends wa{static get type(){return"BufferNode"}constructor(e,t,r=0){super(e,t),this.isBufferNode=!0,this.bufferType=t,this.bufferCount=r,this.updateRanges=[]}addUpdateRange(e,t){this.updateRanges.push({start:e,count:t})}clearUpdateRanges(){this.updateRanges.length=0}getElementType(e){return this.getNodeType(e)}getInputType(){return"buffer"}}const nd=(e,t,r)=>new id(e,t,r);class ad extends gi{static get type(){return"UniformArrayElementNode"}constructor(e,t){super(e,t),this.isArrayBufferElementNode=!0}generate(e){const t=super.generate(e),r=this.getNodeType(e),s=this.node.getPaddedType();return e.format(t,s,r)}}class od extends id{static get type(){return"UniformArrayNode"}constructor(e,t=null){super(null),this.array=e,this.elementType=null===t?Ks(e[0]):t,this.paddedType=this.getPaddedType(),this.updateType=ii.RENDER,this.isArrayBufferNode=!0}generateNodeType(){return this.paddedType}getElementType(){return this.elementType}getPaddedType(){const e=this.elementType;let t="vec4";return"mat2"===e?t="mat2":!0===/mat/.test(e)?t="mat4":"i"===e.charAt(0)?t="ivec4":"u"===e.charAt(0)&&(t="uvec4"),t}update(){const{array:e,value:t}=this,r=this.elementType;if("float"===r||"int"===r||"uint"===r)for(let r=0;rnew od(e,t);class ld extends pi{constructor(e){super("float"),this.name=e,this.isBuiltinNode=!0}generate(){return this.name}}const dd=un(ld).setParameterLength(1);let cd,hd;class pd extends pi{static get type(){return"ScreenNode"}constructor(e){super(),this.scope=e,this._output=null,this.isViewportNode=!0}generateNodeType(){return this.scope===pd.DPR?"float":this.scope===pd.VIEWPORT?"vec4":"vec2"}getUpdateType(){let e=ii.NONE;return this.scope!==pd.SIZE&&this.scope!==pd.VIEWPORT&&this.scope!==pd.DPR||(e=ii.RENDER),this.updateType=e,e}update({renderer:e}){const t=e.getRenderTarget();this.scope===pd.VIEWPORT?null!==t?hd.copy(t.viewport):(e.getViewport(hd),hd.multiplyScalar(e.getPixelRatio())):this.scope===pd.DPR?this._output.value=e.getPixelRatio():null!==t?(cd.width=t.width,cd.height=t.height):e.getDrawingBufferSize(cd)}setup(){const e=this.scope;let r=null;return r=e===pd.SIZE?Aa(cd||(cd=new t)):e===pd.VIEWPORT?Aa(hd||(hd=new s)):e===pd.DPR?Aa(1):Sn(yd.div(fd)),this._output=r,r}generate(e){if(this.scope===pd.COORDINATE){let t=e.getFragCoord();if(e.isFlipY()){const r=e.getNodeProperties(fd).outputNode.build(e);t=`${e.getType("vec2")}( ${t}.x, ${r}.y - ${t}.y )`}return t}return super.generate(e)}}pd.COORDINATE="coordinate",pd.VIEWPORT="viewport",pd.SIZE="size",pd.UV="uv",pd.DPR="dpr";const gd=ln(pd,pd.DPR),md=ln(pd,pd.UV),fd=ln(pd,pd.SIZE),yd=ln(pd,pd.COORDINATE),bd=ln(pd,pd.VIEWPORT),xd=bd.zw,Td=yd.sub(bd.xy),_d=Td.div(xd),vd=gn(()=>(d('TSL: "viewportResolution" is deprecated. Use "screenSize" instead.',new Vs),fd),"vec2").once()();let Nd=null,Sd=null,Ed=null,Rd=null,wd=null,Ad=null,Cd=null,Md=null,Bd=null,Ld=null,Fd=null,Pd=null,Ud=null,Dd=null;const Od=Aa(0,"uint").setName("u_cameraIndex").setGroup(Na("cameraIndex")).toVarying("v_cameraIndex"),Id=Aa("float").setName("cameraNear").setGroup(Ea).onRenderUpdate(({camera:e})=>e.near),Vd=Aa("float").setName("cameraFar").setGroup(Ea).onRenderUpdate(({camera:e})=>e.far),kd=gn(({camera:e})=>{let t;if(e.isArrayCamera&&e.cameras.length>0){const r=[];for(const t of e.cameras)r.push(t.projectionMatrix);null===Sd?Sd=ud(r).setGroup(Ea).setName("cameraProjectionMatrices"):Sd.array=r,t=Sd.element(e.isMultiViewCamera?dd("gl_ViewID_OVR"):Od)}else null===Nd&&(Nd=Aa(e.projectionMatrix).setName("cameraProjectionMatrix").setGroup(Ea).onRenderUpdate(({camera:e})=>e.projectionMatrix)),t=Nd;return t}).once()(),Gd=gn(({camera:e})=>{let t;if(e.isArrayCamera&&e.cameras.length>0){const r=[];for(const t of e.cameras)r.push(t.projectionMatrixInverse);null===Rd?Rd=ud(r).setGroup(Ea).setName("cameraProjectionMatricesInverse"):Rd.array=r,t=Rd.element(e.isMultiViewCamera?dd("gl_ViewID_OVR"):Od)}else null===Ed&&(Ed=Aa(e.projectionMatrixInverse).setName("cameraProjectionMatrixInverse").setGroup(Ea).onRenderUpdate(({camera:e})=>e.projectionMatrixInverse)),t=Ed;return t}).once()(),zd=gn(({camera:e})=>{let t;if(e.isArrayCamera&&e.cameras.length>0){const r=[];for(const t of e.cameras)r.push(t.matrixWorldInverse);null===Ad?Ad=ud(r).setGroup(Ea).setName("cameraViewMatrices"):Ad.array=r,t=Ad.element(e.isMultiViewCamera?dd("gl_ViewID_OVR"):Od)}else null===wd&&(wd=Aa(e.matrixWorldInverse).setName("cameraViewMatrix").setGroup(Ea).onRenderUpdate(({camera:e})=>e.matrixWorldInverse)),t=wd;return t}).once()(),$d=gn(({camera:e})=>{let t;if(e.isArrayCamera&&e.cameras.length>0){const r=[];for(const t of e.cameras)r.push(t.matrixWorld);null===Md?Md=ud(r).setGroup(Ea).setName("cameraWorldMatrices"):Md.array=r,t=Md.element(e.isMultiViewCamera?dd("gl_ViewID_OVR"):Od)}else null===Cd&&(Cd=Aa(e.matrixWorld).setName("cameraWorldMatrix").setGroup(Ea).onRenderUpdate(({camera:e})=>e.matrixWorld)),t=Cd;return t}).once()(),Wd=gn(({camera:e})=>{let t;if(e.isArrayCamera&&e.cameras.length>0){const r=[];for(const t of e.cameras)r.push(t.normalMatrix);null===Ld?Ld=ud(r).setGroup(Ea).setName("cameraNormalMatrices"):Ld.array=r,t=Ld.element(e.isMultiViewCamera?dd("gl_ViewID_OVR"):Od)}else null===Bd&&(Bd=Aa(e.normalMatrix).setName("cameraNormalMatrix").setGroup(Ea).onRenderUpdate(({camera:e})=>e.normalMatrix)),t=Bd;return t}).once()(),Hd=gn(({camera:e})=>{let t;if(e.isArrayCamera&&e.cameras.length>0){const s=[];for(let t=0,i=e.cameras.length;t{const r=e.cameras,s=t.array;for(let e=0,t=r.length;et.value.setFromMatrixPosition(e.matrixWorld))),t=Fd;return t}).once()(),jd=gn(({camera:e})=>{let t;if(e.isArrayCamera&&e.cameras.length>0){const r=[];for(const t of e.cameras)r.push(t.viewport);null===Dd?Dd=ud(r,"vec4").setGroup(Ea).setName("cameraViewports"):Dd.array=r,t=Dd.element(Od)}else null===Ud&&(Ud=Ln(0,0,fd.x,fd.y).toConst("cameraViewport")),t=Ud;return t}).once()(),qd=new L;class Xd extends pi{static get type(){return"Object3DNode"}constructor(e,t=null){super(),this.scope=e,this.object3d=t,this.updateType=ii.OBJECT,this.uniformNode=new wa(null)}generateNodeType(){const e=this.scope;return e===Xd.WORLD_MATRIX?"mat4":e===Xd.POSITION||e===Xd.VIEW_POSITION||e===Xd.DIRECTION||e===Xd.SCALE?"vec3":e===Xd.RADIUS?"float":void 0}update(e){const t=this.object3d,s=this.uniformNode,i=this.scope;if(i===Xd.WORLD_MATRIX)s.value=t.matrixWorld;else if(i===Xd.POSITION)s.value=s.value||new r,s.value.setFromMatrixPosition(t.matrixWorld);else if(i===Xd.SCALE)s.value=s.value||new r,s.value.setFromMatrixScale(t.matrixWorld);else if(i===Xd.DIRECTION)s.value=s.value||new r,t.getWorldDirection(s.value);else if(i===Xd.VIEW_POSITION){const i=e.camera;s.value=s.value||new r,s.value.setFromMatrixPosition(t.matrixWorld),s.value.applyMatrix4(i.matrixWorldInverse)}else if(i===Xd.RADIUS){const r=e.object.geometry;null===r.boundingSphere&&r.computeBoundingSphere(),qd.copy(r.boundingSphere).applyMatrix4(t.matrixWorld),s.value=qd.radius}}generate(e){const t=this.scope;return t===Xd.WORLD_MATRIX?this.uniformNode.nodeType="mat4":t===Xd.POSITION||t===Xd.VIEW_POSITION||t===Xd.DIRECTION||t===Xd.SCALE?this.uniformNode.nodeType="vec3":t===Xd.RADIUS&&(this.uniformNode.nodeType="float"),this.uniformNode.build(e)}serialize(e){super.serialize(e),e.scope=this.scope}deserialize(e){super.deserialize(e),this.scope=e.scope}}Xd.WORLD_MATRIX="worldMatrix",Xd.POSITION="position",Xd.SCALE="scale",Xd.VIEW_POSITION="viewPosition",Xd.DIRECTION="direction",Xd.RADIUS="radius";const Yd=un(Xd,Xd.DIRECTION).setParameterLength(1),Qd=un(Xd,Xd.WORLD_MATRIX).setParameterLength(1),Kd=un(Xd,Xd.POSITION).setParameterLength(1),Zd=un(Xd,Xd.SCALE).setParameterLength(1),Jd=un(Xd,Xd.VIEW_POSITION).setParameterLength(1),ec=un(Xd,Xd.RADIUS).setParameterLength(1);class tc extends Xd{static get type(){return"ModelNode"}constructor(e){super(e)}update(e){this.object3d=e.object,super.update(e)}}const rc=ln(tc,tc.DIRECTION),sc=ln(tc,tc.WORLD_MATRIX),ic=ln(tc,tc.POSITION),nc=ln(tc,tc.SCALE),ac=ln(tc,tc.VIEW_POSITION),oc=ln(tc,tc.RADIUS),uc=Aa(new n).onObjectUpdate(({object:e},t)=>t.value.getNormalMatrix(e.matrixWorld)),lc=Aa(new a).onObjectUpdate(({object:e},t)=>t.value.copy(e.matrixWorld).invert()),dc=gn(e=>e.context.modelViewMatrix||cc).once()().toVar("modelViewMatrix"),cc=zd.mul(sc),hc=gn(e=>(e.context.isHighPrecisionModelViewMatrix=!0,Aa("mat4").onObjectUpdate(({object:e,camera:t})=>e.modelViewMatrix.multiplyMatrices(t.matrixWorldInverse,e.matrixWorld)))).once()().toVar("highpModelViewMatrix"),pc=gn(e=>{const t=e.context.isHighPrecisionModelViewMatrix;return Aa("mat3").onObjectUpdate(({object:e,camera:r})=>(!0!==t&&e.modelViewMatrix.multiplyMatrices(r.matrixWorldInverse,e.matrixWorld),e.normalMatrix.getNormalMatrix(e.modelViewMatrix)))}).once()().toVar("highpModelNormalViewMatrix"),gc=gn(e=>"fragment"!==e.shaderStage?(v("TSL: `clipSpace` is only available in fragment stage."),Ln()):e.context.clipSpace.toVarying("v_clipSpace")).once()(),mc=jl("position","vec3"),fc=mc.toVarying("positionLocal"),yc=mc.toVarying("positionPrevious"),bc=gn(e=>sc.mul(fc).xyz.toVarying(e.getSubBuildProperty("v_positionWorld")),"vec3").once(["POSITION"])(),xc=gn(()=>fc.transformDirection(sc).toVarying("v_positionWorldDirection").normalize().toVar("positionWorldDirection"),"vec3").once(["POSITION"])(),Tc=gn(e=>{if("fragment"===e.shaderStage&&e.material.vertexNode){const e=Gd.mul(gc);return e.xyz.div(e.w).toVar("positionView")}return e.context.setupPositionView().toVarying("v_positionView")},"vec3").once(["POSITION","VERTEX"])(),_c=gn(e=>{let t;return t=e.camera.isOrthographicCamera?An(0,0,1):Tc.negate().toVarying("v_positionViewDirection").normalize(),t.toVar("positionViewDirection")},"vec3").once(["POSITION"])();class vc extends pi{static get type(){return"FrontFacingNode"}constructor(){super("bool"),this.isFrontFacingNode=!0}generate(e){if("fragment"!==e.shaderStage)return"true";const{material:t}=e;return t.side===F?"false":e.getFrontFacing()}}const Nc=ln(vc),Sc=Tn(Nc).mul(2).sub(1),Ec=gn(([e],{material:t})=>{const r=t.side;return r===F?e=e.mul(-1):r===P&&(e=e.mul(Sc)),e}),Rc=jl("normal","vec3"),wc=gn(e=>!1===e.geometry.hasAttribute("normal")?(d('TSL: Vertex attribute "normal" not found on geometry.'),An(0,1,0)):Rc,"vec3").once()().toVar("normalLocal"),Ac=Tc.dFdx().cross(Tc.dFdy()).normalize().toVar("normalFlat"),Cc=gn(e=>{let t;return t=e.isFlatShading()?Ac:Uc(wc).toVarying("v_normalViewGeometry").normalize(),t},"vec3").once()().toVar("normalViewGeometry"),Mc=gn(e=>{let t=Cc.transformNormalByInverseViewMatrix(zd);return!0!==e.isFlatShading()&&(t=t.toVarying("v_normalWorldGeometry")),t.normalize().toVar("normalWorldGeometry")},"vec3").once()(),Bc=gn(e=>{let t;return"NORMAL"===e.subBuildFn||"VERTEX"===e.subBuildFn?(t=Cc,!0!==e.isFlatShading()&&(t=Ec(t))):t=e.context.setupNormal().context({getUV:null,getTextureLevel:null}),t},"vec3").once(["NORMAL","VERTEX"])().toVar("normalView"),Lc=Bc.transformNormalByInverseViewMatrix(zd).toVar("normalWorld"),Fc=gn(({subBuildFn:e,context:t})=>{let r;return r="NORMAL"===e||"VERTEX"===e?Bc:t.setupClearcoatNormal().context({getUV:null,getTextureLevel:null}),r},"vec3").once(["NORMAL","VERTEX"])().toVar("clearcoatNormalView"),Pc=gn(([e,t=sc])=>On(t).inverse().transpose().mul(e).normalize());Ai("transformNormal",Pc);const Uc=gn(([e],t)=>{const r=t.context.modelNormalViewMatrix;if(r)return e.transformNormalByViewMatrix(r);return uc.mul(e).transformNormalByViewMatrix(zd)}),Dc=gn(()=>(d('TSL: "transformedNormalView" is deprecated. Use "normalView" instead.'),Bc)).once(["NORMAL","VERTEX"])(),Oc=gn(()=>(d('TSL: "transformedNormalWorld" is deprecated. Use "normalWorld" instead.'),Lc)).once(["NORMAL","VERTEX"])(),Ic=gn(()=>(d('TSL: "transformedClearcoatNormalView" is deprecated. Use "clearcoatNormalView" instead.'),Fc)).once(["NORMAL","VERTEX"])(),Vc=new a,kc=Aa(0).onReference(({material:e})=>e).onObjectUpdate(({material:e})=>e.refractionRatio),Gc=Aa(1).onReference(({material:e})=>e).onObjectUpdate(function({material:e,scene:t}){return e.envMap?e.envMapIntensity:t.environmentIntensity}),zc=Aa(new a).onReference(function(e){return e.material}).onObjectUpdate(function({material:e,scene:t}){const r=null!==t.environment&&null===e.envMap?t.environmentRotation:e.envMapRotation;return r?Vc.makeRotationFromEuler(r).transpose():Vc.identity(),Vc}),$c=_c.negate().reflect(Bc),Wc=_c.negate().refract(Bc,kc),Hc=$c.transformDirection($d).toVar("reflectVector"),jc=Wc.transformDirection($d).toVar("refractVector"),qc=new U;class Xc extends ed{static get type(){return"CubeTextureNode"}constructor(e,t=null,r=null,s=null){super(e,t,r,s),this.isCubeTextureNode=!0}getInputType(){return!0===this.value.isDepthTexture?"cubeDepthTexture":"cubeTexture"}getDefaultUV(){const e=this.value;return e.mapping===D?Hc:e.mapping===O?jc:(o('CubeTextureNode: Mapping "%s" not supported.',e.mapping),An(0,0,0))}setUpdateMatrix(){}setupUV(e,t){const r=this.value;return!0===r.isDepthTexture?e.renderer.coordinateSystem===h?An(t.x,t.y.negate(),t.z):t:(t=zc.mul(t),e.renderer.coordinateSystem!==h&&r.isRenderTargetTexture||(t=An(t.x.negate(),t.yz)),t)}generateUV(e,t){return t.build(e,!0===this.sampler?"vec3":"ivec3")}}const Yc=un(Xc).setParameterLength(1,4).setName("cubeTexture"),Qc=(e=qc,t=null,r=null,s=null)=>{let i;return e&&!0===e.isCubeTextureNode?(i=sn(e.clone()),i.referenceNode=e,null!==t&&(i.uvNode=sn(t)),null!==r&&(i.levelNode=sn(r)),null!==s&&(i.biasNode=sn(s))):i=Yc(e,t,r,s),i};class Kc extends gi{static get type(){return"ReferenceElementNode"}constructor(e,t){super(e,t),this.referenceNode=e,this.isReferenceElementNode=!0}generateNodeType(){return this.referenceNode.uniformType}generate(e){const t=super.generate(e),r=this.referenceNode.getNodeType(e),s=this.getNodeType(e);return e.format(t,r,s)}}class Zc extends pi{static get type(){return"ReferenceNode"}constructor(e,t,r=null,s=null){super(),this.property=e,this.uniformType=t,this.object=r,this.count=s,this.properties=e.split("."),this.reference=r,this.node=null,this.group=null,this.name=null,this.updateType=ii.OBJECT}element(e){return new Kc(this,sn(e))}setGroup(e){return this.group=e,this}setName(e){return this.name=e,this}label(e){return d('TSL: "label()" has been deprecated. Use "setName()" instead.'),this.setName(e)}setNodeType(e){let t=null;null!==this.count?t=nd(null,e,this.count):Array.isArray(this.getValueFromReference())?(t=ud(null,e),t.updateType=ii.OBJECT):t="texture"===e?rd(null):"cubeTexture"===e?Qc(null):Aa(null,e),null!==this.group&&t.setGroup(this.group),null!==this.name&&t.setName(this.name),this.node=t}generateNodeType(e){return null===this.node&&(this.updateReference(e),this.updateValue()),this.node.getNodeType(e)}getValueFromReference(e=this.reference){const{properties:t}=this;let r=e[t[0]];for(let e=1;enew Zc(e,t,r),eh=(e,t,r,s)=>new Zc(e,t,s,r);class th extends Zc{static get type(){return"MaterialReferenceNode"}constructor(e,t,r=null){super(e,t,r),this.material=r,this.isMaterialReferenceNode=!0}updateReference(e){return this.reference=null!==this.material?this.material:e.material,this.reference}}const rh=(e,t,r=null)=>new th(e,t,r),sh=ql(),ih=Tc.dFdx(),nh=Tc.dFdy(),ah=sh.dFdx(),oh=sh.dFdy(),uh=Bc,lh=nh.cross(uh),dh=uh.cross(ih),ch=lh.mul(ah.x).add(dh.mul(oh.x)),hh=lh.mul(ah.y).add(dh.mul(oh.y)),ph=ch.dot(ch).max(hh.dot(hh)),gh=ph.equal(0).select(0,ph.inverseSqrt()),mh=ch.mul(gh).toVar("tangentViewFrame"),fh=hh.mul(gh).toVar("bitangentViewFrame"),yh=jl("tangent","vec4"),bh=yh.xyz.toVar("tangentLocal"),xh=gn(e=>{let t;return t="VERTEX"===e.subBuildFn||e.geometry.hasAttribute("tangent")?dc.mul(Ln(bh,0)).xyz.toVarying("v_tangentView").normalize():mh,!0!==e.isFlatShading()&&(t=Ec(t)),t},"vec3").once(["NORMAL","VERTEX"])().toVar("tangentView"),Th=xh.transformDirection($d).toVarying("v_tangentWorld").normalize().toVar("tangentWorld"),_h=gn(([e,t],r)=>{let s=e.mul(yh.w).xyz;return"NORMAL"===r.subBuildFn&&!0!==r.isFlatShading()&&(s=s.toVarying(t)),s}).once(["NORMAL"]),vh=_h(Rc.cross(yh),"v_bitangentGeometry").normalize().toVar("bitangentGeometry"),Nh=_h(wc.cross(bh),"v_bitangentLocal").normalize().toVar("bitangentLocal"),Sh=gn(e=>{let t;return t="VERTEX"===e.subBuildFn||e.geometry.hasAttribute("tangent")?_h(Bc.cross(xh),"v_bitangentView").normalize():fh,!0!==e.isFlatShading()&&(t=Ec(t)),t},"vec3").once(["NORMAL","VERTEX"])().toVar("bitangentView"),Eh=_h(Lc.cross(Th),"v_bitangentWorld").normalize().toVar("bitangentWorld"),Rh=On(xh,Sh,Bc).toVar("TBNViewMatrix"),wh=_c.mul(Rh),Ah=gn(()=>{let e=na.cross(_c);return e=e.cross(na).normalize(),e=xu(e,Bc,sa.mul(qn.oneMinus()).oneMinus().pow2().pow2()).normalize(),e}).once()(),Ch=e=>sn(e).mul(.5).add(.5),Mh=e=>sn(e).mul(2).sub(1),Bh=e=>An(e,So(_u(Tn(1).sub(uu(e,e)))));class Lh extends fi{static get type(){return"NormalMapNode"}constructor(e,t=null){super("vec3"),this.node=e,this.scaleNode=t,this.normalMapType=I,this.unpackNormalMode=V}setup(e){const{normalMapType:t,scaleNode:r,unpackNormalMode:s}=this;let i=this.node.mul(2).sub(1);if(t===I?s===k?i=Bh(i.xy):s===G?i=Bh(i.yw):s!==V&&o(`THREE.NodeMaterial: Unexpected unpack normal mode: ${s}`):s!==V&&o(`THREE.NodeMaterial: Normal map type '${t}' is not compatible with unpack normal mode '${s}'`),null!==r){let t=r;!0===e.isFlatShading()&&(t=Ec(t)),i=An(i.xy.mul(t),i.z)}let n=null;return t===z?n=Uc(i):t===I?n=Rh.mul(i).normalize():(o(`NodeMaterial: Unsupported normal map type: ${t}`),n=Bc),n}}const Fh=un(Lh).setParameterLength(1,2),Ph=gn(({textureNode:e,bumpScale:t})=>{const r=t=>e.isolate().context({getUV:e=>t(e.uvNode||ql()),forceUVContext:!0}),s=Tn(r(e=>e));return Sn(Tn(r(e=>e.add(e.dFdx()))).sub(s),Tn(r(e=>e.add(e.dFdy()))).sub(s)).mul(t)}),Uh=gn(e=>{const{surf_pos:t,surf_norm:r,dHdxy:s}=e,i=t.dFdx().normalize(),n=r,a=t.dFdy().normalize().cross(n),o=n.cross(i),u=i.dot(a).mul(Sc),l=u.sign().mul(s.x.mul(a).add(s.y.mul(o)));return u.abs().mul(r).sub(l).normalize()});class Dh extends fi{static get type(){return"BumpMapNode"}constructor(e,t=null){super("vec3"),this.textureNode=e,this.scaleNode=t}setup(e){if(!0===e.material.wireframe)return Bc;const t=null!==this.scaleNode?this.scaleNode:1,r=Ph({textureNode:this.textureNode,bumpScale:t});return Uh({surf_pos:Tc,surf_norm:Bc,dHdxy:r})}}const Oh=un(Dh).setParameterLength(1,2),Ih=new Map;class Vh extends pi{static get type(){return"MaterialNode"}constructor(e){super(),this.scope=e}getCache(e,t){let r=Ih.get(e);return void 0===r&&(r=rh(e,t),Ih.set(e,r)),r}getFloat(e){return this.getCache(e,"float")}getColor(e){return this.getCache(e,"color")}getTexture(e){return this.getCache("map"===e?"map":e+"Map","texture")}setup(e){const t=e.context.material,r=this.scope;let s=null;if(r===Vh.COLOR){const e=void 0!==t.color?this.getColor(r):An();s=t.map&&!0===t.map.isTexture?e.mul(this.getTexture("map")):e}else if(r===Vh.OPACITY){const e=this.getFloat(r);s=t.alphaMap&&!0===t.alphaMap.isTexture?e.mul(this.getTexture("alpha")):e}else if(r===Vh.SPECULAR_STRENGTH)s=t.specularMap&&!0===t.specularMap.isTexture?this.getTexture("specular").r:Tn(1);else if(r===Vh.SPECULAR_INTENSITY){const e=this.getFloat(r);s=t.specularIntensityMap&&!0===t.specularIntensityMap.isTexture?e.mul(this.getTexture(r).a):e}else if(r===Vh.SPECULAR_COLOR){const e=this.getColor(r);s=t.specularColorMap&&!0===t.specularColorMap.isTexture?e.mul(this.getTexture(r).rgb):e}else if(r===Vh.ROUGHNESS){const e=this.getFloat(r);s=t.roughnessMap&&!0===t.roughnessMap.isTexture?e.mul(this.getTexture(r).g):e}else if(r===Vh.METALNESS){const e=this.getFloat(r);s=t.metalnessMap&&!0===t.metalnessMap.isTexture?e.mul(this.getTexture(r).b):e}else if(r===Vh.EMISSIVE){const e=this.getFloat("emissiveIntensity"),i=this.getColor(r).mul(e);s=t.emissiveMap&&!0===t.emissiveMap.isTexture?i.mul(this.getTexture(r)):i}else if(r===Vh.NORMAL)t.normalMap?(s=Fh(this.getTexture("normal"),this.getCache("normalScale","vec2")),s.normalMapType=t.normalMapType,t.normalMap.format!=$&&t.normalMap.format!=W&&t.normalMap.format!=H||(s.unpackNormalMode=k)):s=t.bumpMap?Oh(this.getTexture("bump").r,this.getFloat("bumpScale")):Bc;else if(r===Vh.CLEARCOAT){const e=this.getFloat(r);s=t.clearcoatMap&&!0===t.clearcoatMap.isTexture?e.mul(this.getTexture(r).r):e}else if(r===Vh.CLEARCOAT_ROUGHNESS){const e=this.getFloat(r);s=t.clearcoatRoughnessMap&&!0===t.clearcoatRoughnessMap.isTexture?e.mul(this.getTexture(r).r):e}else if(r===Vh.CLEARCOAT_NORMAL)s=t.clearcoatNormalMap?Fh(this.getTexture(r),this.getCache(r+"Scale","vec2")):Bc;else if(r===Vh.SHEEN){const e=this.getColor("sheenColor").mul(this.getFloat("sheen"));s=t.sheenColorMap&&!0===t.sheenColorMap.isTexture?e.mul(this.getTexture("sheenColor").rgb):e}else if(r===Vh.SHEEN_ROUGHNESS){const e=this.getFloat(r);s=t.sheenRoughnessMap&&!0===t.sheenRoughnessMap.isTexture?e.mul(this.getTexture(r).a):e,s=s.clamp(1e-4,1)}else if(r===Vh.ANISOTROPY)if(t.anisotropyMap&&!0===t.anisotropyMap.isTexture){const e=this.getTexture(r);s=Dn(Np.x,Np.y,Np.y.negate(),Np.x).mul(e.rg.mul(2).sub(Sn(1)).normalize().mul(e.b))}else s=Np;else if(r===Vh.IRIDESCENCE_THICKNESS){const e=Jc("1","float",t.iridescenceThicknessRange);if(t.iridescenceThicknessMap){const i=Jc("0","float",t.iridescenceThicknessRange);s=e.sub(i).mul(this.getTexture(r).g).add(i)}else s=e}else if(r===Vh.TRANSMISSION){const e=this.getFloat(r);s=t.transmissionMap?e.mul(this.getTexture(r).r):e}else if(r===Vh.THICKNESS){const e=this.getFloat(r);s=t.thicknessMap?e.mul(this.getTexture(r).g):e}else if(r===Vh.IOR)s=this.getFloat(r);else if(r===Vh.LIGHT_MAP)s=t.lightMap?this.getTexture(r).rgb.mul(this.getFloat("lightMapIntensity")):An(0);else if(r===Vh.AO)s=t.aoMap?this.getTexture(r).r.sub(1).mul(this.getFloat("aoMapIntensity")).add(1):Tn(1);else if(r===Vh.LINE_DASH_OFFSET)s=t.dashOffset?this.getFloat(r):Tn(0);else{const t=this.getNodeType(e);s=this.getCache(r,t)}return s}}Vh.ALPHA_TEST="alphaTest",Vh.COLOR="color",Vh.OPACITY="opacity",Vh.SHININESS="shininess",Vh.SPECULAR="specular",Vh.SPECULAR_STRENGTH="specularStrength",Vh.SPECULAR_INTENSITY="specularIntensity",Vh.SPECULAR_COLOR="specularColor",Vh.REFLECTIVITY="reflectivity",Vh.ROUGHNESS="roughness",Vh.METALNESS="metalness",Vh.NORMAL="normal",Vh.CLEARCOAT="clearcoat",Vh.CLEARCOAT_ROUGHNESS="clearcoatRoughness",Vh.CLEARCOAT_NORMAL="clearcoatNormal",Vh.EMISSIVE="emissive",Vh.ROTATION="rotation",Vh.SHEEN="sheen",Vh.SHEEN_ROUGHNESS="sheenRoughness",Vh.ANISOTROPY="anisotropy",Vh.IRIDESCENCE="iridescence",Vh.IRIDESCENCE_IOR="iridescenceIOR",Vh.IRIDESCENCE_THICKNESS="iridescenceThickness",Vh.IOR="ior",Vh.TRANSMISSION="transmission",Vh.THICKNESS="thickness",Vh.ATTENUATION_DISTANCE="attenuationDistance",Vh.ATTENUATION_COLOR="attenuationColor",Vh.LINE_SCALE="scale",Vh.LINE_DASH_SIZE="dashSize",Vh.LINE_GAP_SIZE="gapSize",Vh.LINE_WIDTH="linewidth",Vh.LINE_DASH_OFFSET="dashOffset",Vh.POINT_SIZE="size",Vh.DISPERSION="dispersion",Vh.LIGHT_MAP="light",Vh.AO="ao";const kh=ln(Vh,Vh.ALPHA_TEST),Gh=ln(Vh,Vh.COLOR),zh=ln(Vh,Vh.SHININESS),$h=ln(Vh,Vh.EMISSIVE),Wh=ln(Vh,Vh.OPACITY),Hh=ln(Vh,Vh.SPECULAR),jh=ln(Vh,Vh.SPECULAR_INTENSITY),qh=ln(Vh,Vh.SPECULAR_COLOR),Xh=ln(Vh,Vh.SPECULAR_STRENGTH),Yh=ln(Vh,Vh.REFLECTIVITY),Qh=ln(Vh,Vh.ROUGHNESS),Kh=ln(Vh,Vh.METALNESS),Zh=ln(Vh,Vh.NORMAL),Jh=ln(Vh,Vh.CLEARCOAT),ep=ln(Vh,Vh.CLEARCOAT_ROUGHNESS),tp=ln(Vh,Vh.CLEARCOAT_NORMAL),rp=ln(Vh,Vh.ROTATION),sp=ln(Vh,Vh.SHEEN),ip=ln(Vh,Vh.SHEEN_ROUGHNESS),np=ln(Vh,Vh.ANISOTROPY),ap=ln(Vh,Vh.IRIDESCENCE),op=ln(Vh,Vh.IRIDESCENCE_IOR),up=ln(Vh,Vh.IRIDESCENCE_THICKNESS),lp=ln(Vh,Vh.TRANSMISSION),dp=ln(Vh,Vh.THICKNESS),cp=ln(Vh,Vh.IOR),hp=ln(Vh,Vh.ATTENUATION_DISTANCE),pp=ln(Vh,Vh.ATTENUATION_COLOR),gp=ln(Vh,Vh.LINE_SCALE),mp=ln(Vh,Vh.LINE_DASH_SIZE),fp=ln(Vh,Vh.LINE_GAP_SIZE),yp=ln(Vh,Vh.LINE_WIDTH),bp=ln(Vh,Vh.LINE_DASH_OFFSET),xp=ln(Vh,Vh.POINT_SIZE),Tp=ln(Vh,Vh.DISPERSION),_p=ln(Vh,Vh.LIGHT_MAP),vp=ln(Vh,Vh.AO),Np=Aa(new t).onReference(function(e){return e.material}).onRenderUpdate(function({material:e}){this.value.set(e.anisotropy*Math.cos(e.anisotropyRotation),e.anisotropy*Math.sin(e.anisotropyRotation))}),Sp=gn(e=>e.context.setupModelViewProjection(),"vec4").once()().toVarying("v_modelViewProjection");class Ep extends pi{static get type(){return"EventNode"}constructor(e,t){super("void"),this.eventType=e,this.callback=t,e===Ep.OBJECT?this.updateType=ii.OBJECT:e===Ep.MATERIAL?this.updateType=ii.RENDER:e===Ep.FRAME?this.updateType=ii.FRAME:e===Ep.BEFORE_OBJECT?this.updateBeforeType=ii.OBJECT:e===Ep.BEFORE_MATERIAL?this.updateBeforeType=ii.RENDER:e===Ep.BEFORE_FRAME&&(this.updateBeforeType=ii.FRAME)}update(e){this.callback(e)}updateBefore(e){this.callback(e)}}Ep.OBJECT="object",Ep.MATERIAL="material",Ep.FRAME="frame",Ep.BEFORE_OBJECT="beforeObject",Ep.BEFORE_MATERIAL="beforeMaterial",Ep.BEFORE_FRAME="beforeFrame";const Rp=(e,t)=>new Ep(e,t).toStack(),wp=e=>Rp(Ep.OBJECT,e),Ap=e=>Rp(Ep.FRAME,e);class Cp extends gi{static get type(){return"StorageArrayElementNode"}constructor(e,t){super(e,t),this.isStorageArrayElementNode=!0}set storageBufferNode(e){this.node=e}get storageBufferNode(){return this.node}getMemberType(e,t){const r=this.storageBufferNode.structTypeNode;return r?r.getMemberType(e,t):"void"}setup(e){return!1===e.isAvailable("storageBuffer")&&!0===this.node.isPBO&&e.setupPBO(this.node),super.setup(e)}generate(e,t){let r;const s=e.isContextAssign();if(r=!1===e.isAvailable("storageBuffer")?!0!==this.node.isPBO||!0===s||!this.node.value.isInstancedBufferAttribute&&"compute"===e.shaderStage?this.node.build(e):e.generatePBO(this):super.generate(e),!0!==s){const s=this.getNodeType(e);r=e.format(r,s,t)}return r}}const Mp=un(Cp).setParameterLength(2);class Bp extends id{static get type(){return"StorageBufferNode"}constructor(e,t=null,r=0){let s,i=null;t&&t.isStructTypeNode?(s="struct",i=t,(e.isStorageBufferAttribute||e.isStorageInstancedBufferAttribute)&&(r=e.count)):null===t&&(e.isStorageBufferAttribute||e.isStorageInstancedBufferAttribute)?(s=js(e.itemSize),r=e.count):s=t,super(e,s,r),this.isStorageBufferNode=!0,this.structTypeNode=i,this.access=ai.READ_WRITE,this.isAtomic=!1,this.isPBO=!1,this._attribute=null,this._varying=null,this.global=!0,!0!==e.isStorageBufferAttribute&&!0!==e.isStorageInstancedBufferAttribute&&(e.isInstancedBufferAttribute?e.isStorageInstancedBufferAttribute=!0:e.isStorageBufferAttribute=!0)}getHash(e){let t;if(0===this.bufferCount){let r=e.globalCache.getData(this.value);void 0===r&&(r={node:this},e.globalCache.setData(this.value,r)),t=r.node.id}else t=this.id;return String(t)}getInputType(){return this.value.isIndirectStorageBufferAttribute?"indirectStorageBuffer":"storageBuffer"}element(e){return Mp(this,e)}setPBO(e){return this.isPBO=e,this}getPBO(){return this.isPBO}setAccess(e){return this.access=e,this}toReadOnly(){return this.setAccess(ai.READ_ONLY)}setAtomic(e){return this.isAtomic=e,this}toAtomic(){return this.setAtomic(!0)}getAttributeData(){return null===this._attribute&&(this._attribute=pl(this.value),this._varying=Xu(this._attribute)),{attribute:this._attribute,varying:this._varying}}generateNodeType(e){if(null!==this.structTypeNode)return this.structTypeNode.getNodeType(e);if(e.isAvailable("storageBuffer")||e.isAvailable("indirectStorageBuffer"))return super.generateNodeType(e);const{attribute:t}=this.getAttributeData();return t.getNodeType(e)}getMemberType(e,t){return null!==this.structTypeNode?this.structTypeNode.getMemberType(e,t):"void"}generate(e){if(null!==this.structTypeNode&&this.structTypeNode.build(e),e.isAvailable("storageBuffer")||e.isAvailable("indirectStorageBuffer"))return super.generate(e);const{attribute:t,varying:r}=this.getAttributeData(),s=r.build(e);return e.registerTransform(s,t),s}}const Lp=(e,t=null,r=0)=>new Bp(e,t,r),Fp=new WeakMap,Pp=new WeakMap,Up=new WeakMap;function Dp(e,t,r){let s;if(!0===t.isStorageInstancedBufferAttribute)s=Lp(t,"mat4",Math.max(r,1)).element(bl);else{if(16*r*4<=e.getUniformBufferLimit())s=nd(t.array,"mat4",Math.max(r,1)).element(bl);else{let e=Fp.get(t);e||(e=new q(t.array,16,1),Fp.set(t,e));const r=t.usage===x?ml:gl,i=[r(e,"vec4",16,0),r(e,"vec4",16,4),r(e,"vec4",16,8),r(e,"vec4",16,12)];s=In(...i)}}return s}const Op=$n("vec3","vInstanceColor"),Ip=gn(([e,t,r=null],s)=>{e=e.value;const i=!0===t.isStorageInstancedBufferAttribute,n=r&&!0===r.isStorageInstancedBufferAttribute,a=Dp(s,t,e);let o=null;if(!i){16*e*4>s.getUniformBufferLimit()&&(o=Fp.get(t))}let u=null,l=null;if(r)if(n)u=Lp(r,"vec3",Math.max(r.count,1)).element(bl);else{let e=Pp.get(r);e||(e=new j(r.array,3),Pp.set(r,e)),l=e;const t=r.usage===x?ml:gl;u=An(t(e,"vec3",3,0))}null===o&&null===l||Ap(()=>{null!==o&&(o.clearUpdateRanges(),o.updateRanges.push(...t.updateRanges),t.version!==o.version&&(o.version=t.version)),r&&null!==l&&(l.clearUpdateRanges(),l.updateRanges.push(...r.updateRanges),r.version!==l.version&&(l.version=r.version))});const d=a.mul(fc).xyz;if(fc.assign(d),s.needsPreviousData()){const r=s.object;wp(({object:e})=>{Up.get(e).previousInstanceMatrix.array.set(t.array)});const i=function(e,t,r,s){let i=Up.get(e);if(void 0===i){const n=t.clone();i={previousInstanceMatrix:n,node:Dp(r,n,s)},Up.set(e,i)}return i.node}(r,t,s,e);yc.assign(i.mul(yc).xyz)}if(s.hasGeometryAttribute("normal")){const e=Pc(wc,a);wc.assign(e)}null!==u&&Op.assign(u)},"void"),Vp=gn(([e])=>{const{count:t,instanceMatrix:r,instanceColor:s}=e;Ip(t,r,s)},"void"),kp=gn(([e,t])=>{const r=_n(Yl(sd(e),0).x).toConst(),s=_n(t),i=s.mod(r).toConst(),n=s.div(r).toConst();return sd(e,En(i,n))}),Gp=gn(([e,t])=>{const r=_n(Yl(sd(e),0).x).toConst(),s=_n(t).mod(r).toConst(),i=_n(t).div(r).toConst();return sd(e,En(s,i)).x}),zp=$n("vec4","vBatchColor"),$p=gn(([e],t)=>{const r=null===t.getDrawIndex()?bl:vl,s=Gp(e._indirectTexture,_n(r)),i=e._matricesTexture,n=_n(Yl(sd(i),0).x).toConst(),a=Tn(s).mul(4).toInt().toConst(),o=a.mod(n).toConst(),u=a.div(n).toConst(),l=In(sd(i,En(o,u)),sd(i,En(o.add(1),u)),sd(i,En(o.add(2),u)),sd(i,En(o.add(3),u))),d=e._colorsTexture;if(null!==d){const e=kp(d,s);zp.assign(e)}const c=On(l);fc.assign(l.mul(fc));const h=wc.div(An(c[0].dot(c[0]),c[1].dot(c[1]),c[2].dot(c[2]))),p=c.mul(h).xyz;wc.assign(p),t.hasGeometryAttribute("tangent")&&bh.mulAssign(c)},"void"),Wp=new WeakMap,Hp=new WeakMap;function jp(e,t,r,s,i,n){const a=e.element(i.x),o=e.element(i.y),u=e.element(i.z),l=e.element(i.w),d=r.mul(t),c=Oa(a.mul(n.x).mul(d),o.mul(n.y).mul(d),u.mul(n.z).mul(d),l.mul(n.w).mul(d));return s.mul(c).xyz}function qp(e,t,r,s,i,n,a){const o=e.element(n.x),u=e.element(n.y),l=e.element(n.z),d=e.element(n.w);let c=Oa(a.x.mul(o),a.y.mul(u),a.z.mul(l),a.w.mul(d));c=i.mul(c).mul(s);return{skinNormal:c.transformDirection(t).xyz,skinTangent:c.transformDirection(r).xyz}}function Xp(e,t,r,s,i){const n=e.skeleton;let a=Hp.get(n);if(void 0===a){n.update();const e=new Float32Array(n.boneMatrices);a={previousBoneMatrices:e,node:nd(e,"mat4",n.bones.length)},Hp.set(n,a)}return jp(a.node,yc,t,r,s,i)}const Yp=gn(([e],t)=>{const r=jl("skinIndex","uvec4"),s=jl("skinWeight","vec4"),i=Jc("bindMatrix","mat4"),n=Jc("bindMatrixInverse","mat4"),a=eh("skeleton.boneMatrices","mat4",e.skeleton.bones.length);if(wp(({object:e,frameId:t})=>{const r=e.skeleton;if(Wp.get(r)!==t){Wp.set(r,t);const e=Hp.get(r);void 0!==e&&e.previousBoneMatrices.set(r.boneMatrices),r.update()}}),t.needsPreviousData()){const t=Xp(e,i,n,r,s);yc.assign(t)}const o=jp(a,fc,i,n,r,s);if(fc.assign(o),t.hasGeometryAttribute("normal")){const{skinNormal:e,skinTangent:o}=qp(a,wc,bh,i,n,r,s);wc.assign(e),t.hasGeometryAttribute("tangent")&&bh.assign(o)}},"void"),Qp=gn(([e,t=null],r)=>{const s=Lp(new j(e.geometry.getAttribute("position").array,3),"vec3").setPBO(!0).toReadOnly().element(bl).toVar(),i=Lp(new j(new Uint32Array(e.geometry.getAttribute("skinIndex").array),4),"uvec4").setPBO(!0).toReadOnly().element(bl).toVar(),n=Lp(new j(e.geometry.getAttribute("skinWeight").array,4),"vec4").setPBO(!0).toReadOnly().element(bl).toVar(),a=Aa(e.bindMatrix,"mat4"),o=Aa(e.bindMatrixInverse,"mat4"),u=nd(e.skeleton.boneMatrices,"mat4",e.skeleton.bones.length),l=e.skeleton;if(wp(({frameId:e})=>{if(Wp.get(l)!==e){Wp.set(l,e);const t=Hp.get(l);void 0!==t&&t.previousBoneMatrices.set(l.boneMatrices),l.update()}}),r.needsPreviousData()){const t=Xp(e,a,o,i,n);yc.assign(t)}const d=jp(u,s,a,o,i,n);if(null!==t&&t.assign(d),r.hasGeometryAttribute("normal")){const{skinNormal:e,skinTangent:t}=qp(u,wc,bh,a,o,i,n);wc.assign(e),r.hasGeometryAttribute("tangent")&&bh.assign(t)}return d});class Kp extends pi{static get type(){return"LoopNode"}constructor(e=[]){super("void"),this.params=e}getVarName(e){return String.fromCharCode("i".charCodeAt(0)+e)}getProperties(e){const t=e.getNodeProperties(this);if(void 0!==t.stackNode)return t;const r={};for(let e=0,t=this.params.length-1;eNumber(l)?">=":"<")),a)n=`while ( ${l} )`;else{const r={start:u,end:l},s=r.start,i=r.end;let a;const g=()=>h.includes("<")?"+=":"-=";if(null!=p)switch(typeof p){case"function":a=e.flowStagesNode(t.updateNode,"void").code.replace(/\t|;/g,"");break;case"number":a=d+" "+g()+" "+e.generateConst(c,p);break;case"string":a=d+" "+p;break;default:p.isNode?a=d+" "+g()+" "+p.build(e):(o("TSL: 'Loop( { update: ... } )' is not a function, string or number.",this.stackTrace),a="break /* invalid update */")}else p="int"===c||"uint"===c?h.includes("<")?"++":"--":g()+" 1.",a=d+" "+p;n=`for ( ${e.getVar(c,d)+" = "+s}; ${d+" "+h+" "+i}; ${a} )`}e.addFlowCode((0===s?"\n":"")+e.tab+n+" {\n\n").addFlowTab()}const i=s.build(e,"void");t.returnsNode.build(e,"void"),e.removeFlowTab().addFlowCode("\n"+e.tab+i);for(let t=0,r=this.params.length-1;tnew Kp(on(e,"int")).toStack(),Jp=()=>Pl("break").toStack(),eg=new WeakMap,tg=new s,rg=new WeakMap,sg=gn(({bufferMap:e,influence:t,stride:r,width:s,depth:i,offset:n})=>{const a=_n(yl).mul(r).add(n),o=a.div(s),u=a.sub(o.mul(s));return sd(e,En(u,o)).depth(i).xyz.mul(t)});const ig=gn(([e])=>{const{geometry:r}=e,s=void 0!==r.morphAttributes.position,i=r.hasAttribute("normal")&&void 0!==r.morphAttributes.normal,n=r.morphAttributes.position||r.morphAttributes.normal||r.morphAttributes.color,a=void 0!==n?n.length:0;if(0===a)return;let o=rg.get(e);void 0!==o&&o.count===a||(o={base:Aa(1),influences:e.morphTargetInfluences?ud(e.morphTargetInfluences,"float"):null,count:a},rg.set(e,o));const{base:u,influences:l}=o,{texture:d,stride:c,size:h}=function(e){const r=void 0!==e.morphAttributes.position,s=void 0!==e.morphAttributes.normal,i=void 0!==e.morphAttributes.color,n=e.morphAttributes.position||e.morphAttributes.normal||e.morphAttributes.color,a=void 0!==n?n.length:0;let o=eg.get(e);if(void 0===o||o.count!==a){void 0!==o&&o.texture.dispose();const u=e.morphAttributes.position||[],l=e.morphAttributes.normal||[],d=e.morphAttributes.color||[];let c=0;!0===r&&(c=1),!0===s&&(c=2),!0===i&&(c=3);let h=e.attributes.position.count*c,p=1;const g=4096;h>g&&(p=Math.ceil(h/g),h=g);const m=new Float32Array(h*p*4*a),f=new X(m,h,p,a);f.type=Y,f.needsUpdate=!0;const y=4*c;for(let x=0;x{const r=Tn(0).toVar();e.count>1&&null!==e.morphTexture&&void 0!==e.morphTexture?r.assign(sd(e.morphTexture,En(_n(t).add(1),_n(bl))).r):r.assign(l.element(t).toVar()),yn(r.notEqual(0),()=>{!0===s&&fc.addAssign(sg({bufferMap:d,influence:r,stride:c,width:p,depth:t,offset:_n(0)})),!0===i&&wc.addAssign(sg({bufferMap:d,influence:r,stride:c,width:p,depth:t,offset:_n(1)}))})}),wp(({object:e})=>{const{base:t,influences:r}=o;e.geometry.morphTargetsRelative?t.value=1:t.value=1-e.morphTargetInfluences.reduce((e,t)=>e+t,0),r&&(r.array=e.morphTargetInfluences,r.update())})},"void");class ng extends pi{static get type(){return"LightingNode"}constructor(){super("vec3"),this.isLightingNode=!0}}class ag extends ng{static get type(){return"AONode"}constructor(e=null){super(),this.aoNode=e}setup(e){e.context.ambientOcclusion.mulAssign(this.aoNode)}}class og extends Fu{static get type(){return"LightingContextNode"}constructor(e,t=null,r=[],s=null,i=null){super(e),this.lightingModel=t,this.materialLightings=r,this.backdropNode=s,this.backdropAlphaNode=i,this._value=null}getContext(){const{materialLightings:e,backdropNode:t,backdropAlphaNode:r}=this,s={directDiffuse:An().toVar("directDiffuse"),directSpecular:An().toVar("directSpecular"),indirectDiffuse:An().toVar("indirectDiffuse"),indirectSpecular:An().toVar("indirectSpecular")};return{radiance:An().toVar("radiance"),irradiance:An().toVar("irradiance"),iblIrradiance:An().toVar("iblIrradiance"),ambientOcclusion:Tn(1).toVar("ambientOcclusion"),reflectedLight:s,materialLightings:e,backdrop:t,backdropAlpha:r}}setup(e){return this.value=this._value||(this._value=this.getContext()),this.value.lightingModel=this.lightingModel||e.context.lightingModel,super.setup(e)}}const ug=un(og);class lg extends ng{static get type(){return"IrradianceNode"}constructor(e){super(),this.node=e}setup(e){e.context.irradiance.addAssign(this.node)}}const dg=new t;class cg extends ed{static get type(){return"ViewportTextureNode"}constructor(e=md,t=null,r=null){let s=null;null===r?(s=new Q,s.minFilter=K,r=s):s=r,super(r,e,t),this.generateMipmaps=!1,this.defaultFramebuffer=s,this.isOutputTextureNode=!0,this.updateBeforeType=ii.RENDER,this._cacheTextures=new WeakMap}getTextureForReference(e=null){let t,r;if(this.referenceNode?(t=this.referenceNode.defaultFramebuffer,r=this.referenceNode._cacheTextures):(t=this.defaultFramebuffer,r=this._cacheTextures),null===e)return t;if(!1===r.has(e)){const s=t.clone();r.set(e,s)}return r.get(e)}updateReference(e){const t=e.renderer,r=t.getRenderTarget(),s=t.getCanvasTarget(),i=r||s;return this.value=this.getTextureForReference(i),this.value}updateBefore(e){const t=e.renderer,r=t.getRenderTarget(),s=t.getCanvasTarget(),i=r||s;null===i?t.getDrawingBufferSize(dg):i.getDrawingBufferSize?i.getDrawingBufferSize(dg):dg.set(i.width,i.height);const n=this.getTextureForReference(i);n.image.width===dg.width&&n.image.height===dg.height||(n.image.width=dg.width,n.image.height=dg.height,n.needsUpdate=!0);const a=n.generateMipmaps;n.generateMipmaps=this.generateMipmaps,t.copyFramebufferToTexture(n),n.generateMipmaps=a}clone(){const e=new this.constructor(this.uvNode,this.levelNode,this.value);return e.generateMipmaps=this.generateMipmaps,e}}const hg=un(cg).setParameterLength(0,3),pg=un(cg,null,null,{generateMipmaps:!0}).setParameterLength(0,3),gg=pg(),mg=(e=md,t=null)=>gg.sample(e,t);let fg=null;class yg extends cg{static get type(){return"ViewportDepthTextureNode"}constructor(e=md,t=null,r=null){null===r&&(null===fg&&(fg=new Z),r=fg),super(e,t,r)}}const bg=un(yg).setParameterLength(0,3);class xg extends pi{static get type(){return"ViewportDepthNode"}constructor(e,t=null){super("float"),this.scope=e,this.valueNode=t,this.isViewportDepthNode=!0}generate(e){const{scope:t}=this;return t===xg.DEPTH_BASE?e.getFragDepth():super.generate(e)}setup({camera:e}){const{scope:t}=this,r=this.valueNode;let s=null;if(t===xg.DEPTH_BASE)null!==r&&(s=Rg().assign(r));else if(t===xg.DEPTH)s=e.isPerspectiveCamera?vg(Tc.z,Id,Vd):Tg(Tc.z,Id,Vd);else if(t===xg.LINEAR_DEPTH)if(null!==r)if(e.isPerspectiveCamera){const e=Sg(r,Id,Vd);s=Tg(e,Id,Vd)}else s=r;else s=Tg(Tc.z,Id,Vd);return s}}xg.DEPTH_BASE="depthBase",xg.DEPTH="depth",xg.LINEAR_DEPTH="linearDepth";const Tg=(e,t,r)=>e.add(t).div(t.sub(r)),_g=gn(([e,t,r],s)=>!0===s.renderer.reversedDepthBuffer?r.sub(t).mul(e).sub(r):t.sub(r).mul(e).sub(t)),vg=(e,t,r)=>t.add(e).mul(r).div(r.sub(t).mul(e)),Ng=(e,t,r)=>t.mul(e.add(r)).div(e.mul(t.sub(r))),Sg=gn(([e,t,r],s)=>!0===s.renderer.reversedDepthBuffer?t.mul(r).div(t.sub(r).mul(e).sub(t)):t.mul(r).div(r.sub(t).mul(e).sub(r))),Eg=(e,t,r)=>{t=t.max(1e-6).toVar();const s=No(e.negate().div(t)),i=No(r.div(t));return s.div(i)},Rg=un(xg,xg.DEPTH_BASE),wg=ln(xg,xg.DEPTH),Ag=un(xg,xg.LINEAR_DEPTH).setParameterLength(0,1),Cg=Ag(bg());wg.assign=e=>Rg(e);class Mg extends pi{static get type(){return"ClippingNode"}constructor(e=Mg.DEFAULT){super(),this.scope=e}setup(e){super.setup(e);const t=e.clippingContext,{intersectionPlanes:r,unionPlanes:s}=t;return this.hardwareClipping=e.hardwareClipping,this.scope===Mg.ALPHA_TO_COVERAGE?this.setupAlphaToCoverage(r,s):this.scope===Mg.HARDWARE?this.setupHardwareClipping(s,e):this.setupDefault(r,s)}setupAlphaToCoverage(e,t){return gn(()=>{const r=Tn().toVar("distanceToPlane"),s=Tn().toVar("distanceToGradient"),i=Tn(1).toVar("clipOpacity"),n=t.length;if(!1===this.hardwareClipping&&n>0){const e=ud(t).setGroup(Ea);Zp(n,({i:t})=>{const n=e.element(t);r.assign(Tc.dot(n.xyz).negate().add(n.w)),s.assign(r.fwidth().div(2)),i.mulAssign(Nu(s.negate(),s,r))})}const a=e.length;if(a>0){const t=ud(e).setGroup(Ea),n=Tn(1).toVar("intersectionClipOpacity");Zp(a,({i:e})=>{const i=t.element(e);r.assign(Tc.dot(i.xyz).negate().add(i.w)),s.assign(r.fwidth().div(2)),n.mulAssign(Nu(s.negate(),s,r).oneMinus())}),i.mulAssign(n.oneMinus())}Wn.a.mulAssign(i),Wn.a.equal(0).discard()})()}setupDefault(e,t){return gn(()=>{const r=t.length;if(!1===this.hardwareClipping&&r>0){const e=ud(t).setGroup(Ea);Zp(r,({i:t})=>{const r=e.element(t);Tc.dot(r.xyz).greaterThan(r.w).discard()})}const s=e.length;if(s>0){const t=ud(e).setGroup(Ea),r=Nn(!0).toVar("clipped");Zp(s,({i:e})=>{const s=t.element(e);r.assign(Tc.dot(s.xyz).greaterThan(s.w).and(r))}),r.discard()}})()}setupHardwareClipping(e,t){const r=e.length;return t.enableHardwareClipping(r),gn(()=>{const s=ud(e).setGroup(Ea),i=dd(t.getClipDistance());Zp(r,({i:e})=>{const t=s.element(e),r=Tc.dot(t.xyz).sub(t.w).negate();i.element(e).assign(r)})})()}}Mg.ALPHA_TO_COVERAGE="alphaToCoverage",Mg.DEFAULT="default",Mg.HARDWARE="hardware";const Bg=gn(([e])=>Co(Va(1e4,Mo(Va(17,e.x).add(Va(.1,e.y)))).mul(Oa(.1,zo(Mo(Va(13,e.y).add(e.x))))))),Lg=gn(([e])=>Bg(Sn(Bg(e.xy),e.z))),Fg=gn(([e])=>{const t=su(Wo(qo(e.xyz)),Wo(Xo(e.xyz))),r=Tn(1).div(Tn(.05).mul(t)).toVar("pixScale"),s=Sn(_o(Ro(No(r))),_o(wo(No(r)))),i=Sn(Lg(Ro(s.x.mul(e.xyz))),Lg(Ro(s.y.mul(e.xyz)))),n=Co(No(r)),a=Oa(Va(n.oneMinus(),i.x),Va(n,i.y)),o=ru(n,n.oneMinus()),u=An(a.mul(a).div(Va(2,o).mul(Ia(1,o))),a.sub(Va(.5,o)).div(Ia(1,o)),Ia(1,Ia(1,a).mul(Ia(1,a)).div(Va(2,o).mul(Ia(1,o))))),l=a.lessThan(o.oneMinus()).select(a.lessThan(o).select(u.x,u.y),u.z);return Tu(l,1e-6,1)}).setLayout({name:"getAlphaHashThreshold",type:"float",inputs:[{name:"position",type:"vec3"}]});class Pg extends Hl{static get type(){return"VertexColorNode"}constructor(e){super(null,"vec4"),this.isVertexColorNode=!0,this.index=e}getAttributeName(){const e=this.index;return"color"+(e>0?e:"")}generate(e){const t=this.getAttributeName(e);let r;return r=!0===e.hasGeometryAttribute(t)?super.generate(e):e.generateConst(this.nodeType,new s(1,1,1,1)),r}serialize(e){super.serialize(e),e.index=this.index}deserialize(e){super.deserialize(e),this.index=e.index}}const Ug=(e=0)=>new Pg(e);class Dg extends J{static get type(){return"NodeMaterial"}get type(){return this.constructor.type}set type(e){}constructor(){super(),this.isNodeMaterial=!0,this.fog=!0,this.lights=!1,this.lightsNode=null,this.envNode=null,this.aoNode=null,this.colorNode=null,this.normalNode=null,this.opacityNode=null,this.backdropNode=null,this.backdropAlphaNode=null,this.alphaTestNode=null,this.maskNode=null,this.maskShadowNode=null,this.positionNode=null,this.geometryNode=null,this.depthNode=null,this.receivedShadowPositionNode=null,this.castShadowPositionNode=null,this.receivedShadowNode=null,this.castShadowNode=null,this.outputNode=null,this.mrtNode=null,this.fragmentNode=null,this.vertexNode=null,this.contextNode=null}_getNodeChildren(){const e=[];for(const t of Object.getOwnPropertyNames(this)){if(!0===t.startsWith("_"))continue;const r=this[t];r&&!0===r.isNode&&e.push({property:t,childNode:r})}return e}customProgramCacheKey(){const e=[];for(const{property:t,childNode:r}of this._getNodeChildren())e.push(Gs(t.slice(0,-4)),r.getCacheKey());return this.type+zs(e)}build(e){this.setup(e)}setupObserver(e){return new Os(e)}setup(e){e.context.setupNormal=()=>ju(this.setupNormal(e),"NORMAL","vec3"),e.context.setupPositionView=()=>this.setupPositionView(e),e.context.setupModelViewProjection=()=>this.setupModelViewProjection(e);const t=e.renderer,r=t.getRenderTarget();e.addStack();const s=this.setupVertex(e),i=ju(this.vertexNode||s,"VERTEX");let n;e.context.clipSpace=i,e.stack.outputNode=i,this.setupHardwareClipping(e),null!==this.geometryNode&&(e.stack.outputNode=e.stack.outputNode.bypass(this.geometryNode)),e.addFlow("vertex",e.removeStack()),e.addStack();const a=this.setupClipping(e);if(!0!==this.depthWrite&&!0!==this.depthTest||(null!==r?!0===r.depthBuffer&&this.setupDepth(e):!0===t.depth&&this.setupDepth(e)),null===this.fragmentNode){this.setupDiffuseColor(e),this.setupAmbientOcclusion(e),this.setupVariants(e);const s=this.setupLighting(e);null!==a&&e.stack.addToStack(a);const i=Ln(s,Wn.a).max(0);n=this.setupOutput(e,i),da.assign(n);const o=null!==this.outputNode;if(o&&(n=this.outputNode),e.context.getOutput&&(n=e.context.getOutput(n,e)),null!==r){const e=t.getMRT(),r=this.mrtNode;null!==e?(o&&da.assign(n),n=e,null!==r&&(n=e.merge(r))):null!==r&&(n=r)}}else{let t=this.fragmentNode;!0!==t.isOutputStructNode&&(t=t.convert(e.getOutputType())),n=this.setupOutput(e,t)}e.stack.outputNode=n,e.addFlow("fragment",e.removeStack()),e.observer=this.setupObserver(e)}setupClipping(e){if(null===e.clippingContext)return null;const{unionPlanes:t,intersectionPlanes:r}=e.clippingContext;let s=null;if(t.length>0||r.length>0){const t=e.renderer.currentSamples;this.alphaToCoverage&&t>1?s=new Mg(Mg.ALPHA_TO_COVERAGE):e.stack.addToStack(new Mg)}return s}setupHardwareClipping(e){if(e.hardwareClipping=!1,null===e.clippingContext)return;const t=e.clippingContext.unionPlanes.length;t>0&&t<=8&&e.isAvailable("clipDistance")&&(e.stack.addToStack(new Mg(Mg.HARDWARE)),e.hardwareClipping=!0)}setupDepth(e){const{renderer:t,camera:r}=e;let s=this.depthNode;if(null===s){const e=t.getMRT();e&&e.has("depth")?s=e.get("depth"):!0===t.logarithmicDepthBuffer&&(s=r.isPerspectiveCamera?Eg(Tc.z,Id,Vd):Tg(Tc.z,Id,Vd))}null!==s&&wg.assign(s).toStack()}setupPositionView(){return dc.mul(fc).xyz}setupModelViewProjection(){return kd.mul(Tc)}setupVertex(e){return e.addStack(),this.setupPosition(e),e.context.position=e.removeStack(),Sp}setupPosition(e){const{object:t,geometry:r}=e;if((r.morphAttributes.position||r.morphAttributes.normal||r.morphAttributes.color)&&ig(t),!0===t.isSkinnedMesh&&Yp(t),this.displacementMap){const e=rh("displacementMap","texture"),t=rh("displacementScale","float"),r=rh("displacementBias","float");fc.addAssign(wc.normalize().mul(e.x.mul(t).add(r)))}return t.isBatchedMesh&&$p(t),t.isInstancedMesh&&t.instanceMatrix&&!0===t.instanceMatrix.isInstancedBufferAttribute&&Vp(t),null!==this.positionNode&&fc.assign(ju(this.positionNode,"POSITION","vec3")),fc}setupDiffuseColor(e){const{object:t,geometry:r}=e;null!==this.maskNode&&Nn(this.maskNode).not().discard();let s=this.colorNode?Ln(this.colorNode):Gh;!0===this.vertexColors&&r.hasAttribute("color")&&(s=s.mul(Ug())),t.instanceColor&&(s=Op.mul(s)),t.isBatchedMesh&&t._colorsTexture&&(s=zp.mul(s)),Wn.assign(s);const i=this.opacityNode?Tn(this.opacityNode):Wh;Wn.a.assign(Wn.a.mul(i));let n=null;(null!==this.alphaTestNode||this.alphaTest>0)&&(n=null!==this.alphaTestNode?Tn(this.alphaTestNode):kh,!0===this.alphaToCoverage?(Wn.a=Nu(n,n.add(Zo(Wn.a)),Wn.a),Wn.a.lessThanEqual(0).discard()):Wn.a.lessThanEqual(n).discard()),!0===this.alphaHash&&Wn.a.lessThan(Fg(fc)).discard(),e.isOpaque()&&Wn.a.assign(1)}setupVariants(){}setupOutgoingLight(){return!0===this.lights?An(0):Wn.rgb}setupNormal(){return this.normalNode?An(this.normalNode):Zh}setupEnvironment(){let e=null;return this.envNode?e=this.envNode:this.envMap&&(e=this.envMap.isCubeTexture?rh("envMap","cubeTexture"):rh("envMap","texture")),e}setupLightMap(e){let t=null;return e.material.lightMap&&(t=new lg(_p)),t}setupMaterialLightings(e){const t=[];if(!1===e.renderer.lighting.enabled)return t;const r=this.setupEnvironment(e);r&&r.isLightingNode&&t.push(r);const s=this.setupLightMap(e);return s&&s.isLightingNode&&t.push(s),e.context.ambientOcclusion&&t.push(new ag(e.context.ambientOcclusion)),t}setupAmbientOcclusion(e){let t=this.aoNode;null===t&&e.material.aoMap&&(t=vp),e.context.getAO&&(t=e.context.getAO(t,e)),null!==t&&(Ta.assign(t),e.context.ambientOcclusion=Ta)}setupLightingModel(){}setupLighting(e){const{material:t}=e,{backdropNode:r,backdropAlphaNode:s,emissiveNode:i}=this,n=!0===this.lights||null!==this.lightsNode,a=!0===this.lights?this.setupMaterialLightings(e):[],o=n?this.lightsNode||e.lightsNode:null;let u=this.setupOutgoingLight(e);if(o&&(a.length>0||o.getScope().hasLights)){const t=this.setupLightingModel(e)||null;u=ug(o,t,a,r,s)}else null!==r&&(u=An(null!==s?xu(u,r,s):r));return(i&&!0===i.isNode||t.emissive&&!0===t.emissive.isColor)&&(jn.assign(An(i||$h)),u=u.add(jn)),u}setupFog(e,t){const r=e.fogNode;return r&&(da.assign(t),t=Ln(r.toVar())),t}setupPremultipliedAlpha(e,t){return Dl(t)}setupOutput(e,t){return!0===this.fog&&(t=this.setupFog(e,t)),!0===this.premultipliedAlpha&&(t=this.setupPremultipliedAlpha(e,t)),t}setDefaultValues(e){for(const t in e){const r=e[t];void 0===this[t]&&(this[t]=r,r&&r.clone&&(this[t]=r.clone()))}const t=Object.getOwnPropertyDescriptors(e.constructor.prototype);for(const e in t)void 0===Object.getOwnPropertyDescriptor(this.constructor.prototype,e)&&void 0!==t[e].get&&Object.defineProperty(this.constructor.prototype,e,t[e])}toJSON(e){const t=void 0===e||"string"==typeof e;t&&(e={textures:{},images:{},nodes:{}});const r=J.prototype.toJSON.call(this,e);r.inputNodes={};for(const{property:t,childNode:s}of this._getNodeChildren())r.inputNodes[t]=s.toJSON(e).uuid;function s(e){const t=[];for(const r in e){const s=e[r];delete s.metadata,t.push(s)}return t}if(t){const t=s(e.textures),i=s(e.images),n=s(e.nodes);t.length>0&&(r.textures=t),i.length>0&&(r.images=i),n.length>0&&(r.nodes=n)}return r}copy(e){const t=Object.getOwnPropertyDescriptors(this.constructor.prototype);for(const r in t)if(void 0!==t[r].set&&void 0!==e[r]){const t=e[r];this[r]&&void 0!==this[r].copy?this[r].copy(t):this[r]=t}for(const t in this)if(!/^(?:is[A-Z]|_)|^(?:id|uuid|version|type|userData|clippingPlanes)$/.test(t)&&void 0!==this[t]&&void 0!==e[t]){const r=e[t];this[t]&&void 0!==this[t].copy?this[t].copy(r):this[t]=r}return this.clippingPlanes=e.clippingPlanes?e.clippingPlanes.map(e=>e.clone()):null,this.userData=JSON.parse(JSON.stringify(e.userData)),this}}const Og=new ee;class Ig extends Dg{static get type(){return"LineBasicNodeMaterial"}constructor(e){super(),this.isLineBasicNodeMaterial=!0,this.setDefaultValues(Og),this.setValues(e)}}const Vg=new te;class kg extends Dg{static get type(){return"LineDashedNodeMaterial"}constructor(e){super(),this.isLineDashedNodeMaterial=!0,this.setDefaultValues(Vg),this.dashOffset=0,this.offsetNode=null,this.dashScaleNode=null,this.dashSizeNode=null,this.gapSizeNode=null,this.setValues(e)}setupVariants(){const e=this.offsetNode?Tn(this.offsetNode):bp,t=this.dashScaleNode?Tn(this.dashScaleNode):gp,r=this.dashSizeNode?Tn(this.dashSizeNode):mp,s=this.gapSizeNode?Tn(this.gapSizeNode):fp;ca.assign(r),ha.assign(s);const i=Xu(jl("lineDistance").mul(t));(e?i.add(e):i).mod(ca.add(ha)).greaterThan(ca).discard()}}const Gg=new te,zg=$n("vec3","worldStart"),$g=$n("vec3","worldEnd"),Wg=$n("float","lineDistance"),Hg=$n("vec4","worldPos"),jg=gn(({start:e,end:t})=>{const r=kd.element(2).element(2),s=kd.element(3).element(2);return r.greaterThan(0).select(s.negate().div(r.add(1)),s.mul(-.5).div(r)).sub(e.z).div(t.z.sub(e.z))},{start:"vec4",end:"vec4",return:"float"}),qg=gn(({p1:e,p2:t,p3:r,p4:s})=>{const i=e.sub(r),n=s.sub(r),a=t.sub(e),o=i.dot(n),u=n.dot(a),l=i.dot(a),d=n.dot(n),c=a.dot(a).mul(d).sub(u.mul(u)),h=o.mul(u).sub(l.mul(d)).div(c).clamp(),p=o.add(u.mul(h)).div(d).clamp();return Sn(h,p)},{p1:"vec3",p2:"vec3",p3:"vec3",p4:"vec3",return:"vec2"}),Xg=gn(({material:e})=>{const t=e._useDash,r=e._useWorldUnits,s=jl("instanceStart"),i=jl("instanceEnd"),n=Ln(dc.mul(Ln(s,1))).toVar("start"),a=Ln(dc.mul(Ln(i,1))).toVar("end");let o,u;t&&(o=Tn(jl("instanceDistanceStart")).toVar("distanceStart"),u=Tn(jl("instanceDistanceEnd")).toVar("distanceEnd")),r&&(zg.assign(n.xyz),$g.assign(a.xyz));const l=bd.z.div(bd.w),d=kd.element(2).element(3).equal(-1);if(yn(d,()=>{yn(n.z.lessThan(0).and(a.z.greaterThan(0)),()=>{const e=jg({start:n,end:a});a.assign(Ln(xu(n.xyz,a.xyz,e),a.w)),t&&u.assign(xu(o,u,e))}).ElseIf(a.z.lessThan(0).and(n.z.greaterThanEqual(0)),()=>{const e=jg({start:a,end:n});n.assign(Ln(xu(a.xyz,n.xyz,e),n.w)),t&&o.assign(xu(u,o,e))})}),t){const t=e.dashScaleNode?Tn(e.dashScaleNode):gp,r=e.offsetNode?Tn(e.offsetNode):bp;let s=mc.y.lessThan(.5).select(t.mul(o),t.mul(u));s=s.add(r),Wg.assign(s)}const c=kd.mul(n),h=kd.mul(a),p=c.xyz.div(c.w),g=h.xyz.div(h.w),m=g.xy.sub(p.xy).toVar();m.x.assign(m.x.mul(l)),m.assign(m.normalize());const f=Ln().toVar();if(r){const e=a.xyz.sub(n.xyz).normalize(),r=xu(n.xyz,a.xyz,.5).normalize(),s=e.cross(r).normalize(),i=e.cross(s);Hg.assign(mc.y.lessThan(.5).select(n,a));const o=yp.mul(.5);Hg.addAssign(Ln(mc.x.lessThan(0).select(s.mul(o),s.mul(o).negate()),0)),t||(Hg.addAssign(Ln(mc.y.lessThan(.5).select(e.mul(o).negate(),e.mul(o)),0)),Hg.addAssign(Ln(i.mul(o),0)),yn(mc.y.greaterThan(1).or(mc.y.lessThan(0)),()=>{Hg.subAssign(Ln(i.mul(2).mul(o),0))})),f.assign(kd.mul(Hg));const u=An().toVar();u.assign(mc.y.lessThan(.5).select(p,g)),f.z.assign(u.z.mul(f.w))}else{const e=Sn(m.y,m.x.negate()).toVar("offset");m.x.assign(m.x.div(l)),e.x.assign(e.x.div(l)),e.assign(mc.x.lessThan(0).select(e.negate(),e)),yn(mc.y.lessThan(0),()=>{e.assign(e.sub(m))}).ElseIf(mc.y.greaterThan(1),()=>{e.assign(e.add(m))}),e.assign(e.mul(yp)),e.assign(e.div(bd.w.div(gd))),f.assign(mc.y.lessThan(.5).select(c,h)),e.assign(e.mul(f.w)),f.assign(f.add(Ln(e,0,0)))}return f})(),Yg=gn(({material:e,renderer:t})=>{const r=e._useAlphaToCoverage,s=e._useDash,i=e._useWorldUnits,n=ql();if(s){const t=e.dashSizeNode?Tn(e.dashSizeNode):mp,r=e.gapSizeNode?Tn(e.gapSizeNode):fp;ca.assign(t),ha.assign(r),n.y.lessThan(-1).or(n.y.greaterThan(1)).discard(),Wg.mod(ca.add(ha)).greaterThan(ca).discard()}const a=Tn(1).toVar("alpha");if(i){const e=Hg.xyz.normalize().mul(1e5),i=$g.sub(zg),n=qg({p1:zg,p2:$g,p3:An(0,0,0),p4:e}),o=zg.add(i.mul(n.x)),u=e.mul(n.y),l=o.sub(u).length().div(yp);if(!s)if(r&&t.currentSamples>0){const e=l.fwidth();a.assign(Nu(e.negate().add(.5),e.add(.5),l).oneMinus())}else l.greaterThan(.5).discard()}else if(r&&t.currentSamples>0){const e=n.x,t=n.y.greaterThan(0).select(n.y.sub(1),n.y.add(1)),r=e.mul(e).add(t.mul(t)),s=Tn(r.fwidth()).toVar("dlen");yn(n.y.abs().greaterThan(1),()=>{a.assign(Nu(s.oneMinus(),s.add(1),r).oneMinus())})}else yn(n.y.abs().greaterThan(1),()=>{const e=n.x,t=n.y.greaterThan(0).select(n.y.sub(1),n.y.add(1));e.mul(e).add(t.mul(t)).greaterThan(1).discard()});return a})();class Qg extends Dg{static get type(){return"Line2NodeMaterial"}constructor(e={}){super(),this.isLine2NodeMaterial=!0,this.setDefaultValues(Gg),this.vertexColors=e.vertexColors,this.dashOffset=0,this.offsetNode=null,this.dashScaleNode=null,this.dashSizeNode=null,this.gapSizeNode=null,this.blending=re,this._useDash=e.dashed,this._useAlphaToCoverage=!0,this._useWorldUnits=!1,this.setValues(e)}setupDiffuseColor(e){if(super.setupDiffuseColor(e),Wn.a.mulAssign(Yg),!0===this.vertexColors&&e.geometry.hasAttribute("instanceColorStart")){const e=jl("instanceColorStart"),t=jl("instanceColorEnd"),r=mc.y.lessThan(.5).select(e,t);Wn.rgb.mulAssign(r)}this.transparent&&Wn.rgb.assign(Wn.rgb.mul(Wn.a).add(mg().rgb.mul(Wn.a.oneMinus())))}setupModelViewProjection(){return Xg}get lineColorNode(){return this.colorNode}set lineColorNode(e){v('Line2NodeMaterial: "lineColorNode" has been deprecated. Use "colorNode" instead.'),this.colorNode=e}get worldUnits(){return this._useWorldUnits}set worldUnits(e){this._useWorldUnits!==e&&(this._useWorldUnits=e,this.needsUpdate=!0)}get dashed(){return this._useDash}set dashed(e){this._useDash!==e&&(this._useDash=e,this.needsUpdate=!0)}get alphaToCoverage(){return this._useAlphaToCoverage}set alphaToCoverage(e){this._useAlphaToCoverage!==e&&(this._useAlphaToCoverage=e,this.needsUpdate=!0)}}const Kg=new se;class Zg extends Dg{static get type(){return"MeshNormalNodeMaterial"}constructor(e){super(),this.isMeshNormalNodeMaterial=!0,this.setDefaultValues(Kg),this.setValues(e)}setupDiffuseColor(){const e=this.opacityNode?Tn(this.opacityNode):Wh;Wn.assign(tl(Ln(Ch(Bc),e),ie))}}const Jg=gn(([e=xc])=>{const t=e.z.atan(e.x).mul(1/(2*Math.PI)).add(.5),r=e.y.clamp(-1,1).asin().mul(1/Math.PI).add(.5);return Sn(t,r)}),em=gn(([e=ql()])=>{const t=e.x.sub(.5).mul(2*Math.PI),r=e.y.sub(.5).mul(Math.PI),s=r.cos(),i=s.mul(t.cos()),n=r.sin(),a=s.mul(t.sin());return An(i,n,a)});class tm extends ne{constructor(e=1,t={}){super(e,e,t),this.isCubeRenderTarget=!0;const r={width:e,height:e,depth:1},s=[r,r,r,r,r,r];this.texture=new U(s),this._setTextureOptions(t),this.texture.isRenderTargetTexture=!0}fromEquirectangularTexture(e,t){const r=t.minFilter,s=t.generateMipmaps;t.generateMipmaps=!0,this.texture.type=t.type,this.texture.colorSpace=t.colorSpace,this.texture.generateMipmaps=t.generateMipmaps,this.texture.minFilter=t.minFilter,this.texture.magFilter=t.magFilter;const i=new ae(5,5,5),n=Jg(xc),a=new Dg;a.colorNode=rd(t,n,0),a.side=F,a.blending=re;const o=new oe(i,a),u=new ue;u.add(o),t.minFilter===K&&(t.minFilter=le);const l=new de(1,10,this),d=e.getMRT();return e.setMRT(null),l.update(e,u),e.setMRT(d),t.minFilter=r,t.generateMipmaps=s,o.geometry.dispose(),o.material.dispose(),this}clear(e,t=!0,r=!0,s=!0){const i=e.getRenderTarget();for(let i=0;i<6;i++)e.setRenderTarget(this,i),e.clear(t,r,s);e.setRenderTarget(i)}}const rm=new WeakMap;class sm extends fi{static get type(){return"CubeMapNode"}constructor(e){super("vec3"),this.envNode=e,this._cubeTexture=null,this._cubeTextureNode=Qc(null);const t=new U;t.isRenderTargetTexture=!0,this._defaultTexture=t,this.updateBeforeType=ii.RENDER}updateBefore(e){const{renderer:t,material:r}=e,s=this.envNode;if(s.isTextureNode||s.isMaterialReferenceNode){const e=s.isTextureNode?s.value:r[s.property];if(e&&e.isTexture){const r=e.mapping;if(r===ce||r===he){if(rm.has(e)){const t=rm.get(e);nm(t,e.mapping),this._cubeTexture=t}else{const r=e.image;if(function(e){return null!=e&&e.height>0}(r)){const s=new tm(r.height);s.fromEquirectangularTexture(t,e),nm(s.texture,e.mapping),this._cubeTexture=s.texture,rm.set(e,s.texture),e.addEventListener("dispose",im)}else this._cubeTexture=this._defaultTexture}this._cubeTextureNode.value=this._cubeTexture}else this._cubeTextureNode=this.envNode}}}setup(e){return this.updateBefore(e),this._cubeTextureNode}}function im(e){const t=e.target;t.removeEventListener("dispose",im);const r=rm.get(t);void 0!==r&&(rm.delete(t),r.dispose())}function nm(e,t){t===ce?e.mapping=D:t===he&&(e.mapping=O)}const am=un(sm).setParameterLength(1);class om extends ng{static get type(){return"BasicEnvironmentNode"}constructor(e=null){super(),this.envNode=e}setup(e){e.context.environment=am(this.envNode)}}class um extends ng{static get type(){return"BasicLightMapNode"}constructor(e=null){super(),this.lightMapNode=e}setup(e){const t=Tn(1/Math.PI);e.context.irradianceLightMap=this.lightMapNode.mul(t)}}class lm{start(e){e.lightsNode.setupLights(e,e.lightsNode.getLightNodes(e)),this.indirect(e)}finish(){}direct(){}directRectArea(){}indirect(){}ambientOcclusion(){}}class dm extends lm{constructor(){super()}indirect({context:e}){const t=e.ambientOcclusion,r=e.reflectedLight,s=e.irradianceLightMap;r.indirectDiffuse.assign(Ln(0)),s?r.indirectDiffuse.addAssign(s):r.indirectDiffuse.addAssign(Ln(1,1,1,0)),r.indirectDiffuse.mulAssign(t),r.indirectDiffuse.mulAssign(Wn.rgb)}finish(e){const{material:t,context:r}=e,s=r.outgoingLight,i=e.context.environment;if(i)switch(t.combine){case me:s.rgb.assign(xu(s.rgb,s.rgb.mul(i.rgb),Xh.mul(Yh)));break;case ge:s.rgb.assign(xu(s.rgb,i.rgb,Xh.mul(Yh)));break;case pe:s.rgb.addAssign(i.rgb.mul(Xh.mul(Yh)));break;default:d("BasicLightingModel: Unsupported .combine value:",t.combine)}}}const cm=new fe;class hm extends Dg{static get type(){return"MeshBasicNodeMaterial"}constructor(e){super(),this.isMeshBasicNodeMaterial=!0,this.lights=!0,this.setDefaultValues(cm),this.setValues(e)}setupNormal(){return Ec(Cc)}setupEnvironment(e){const t=super.setupEnvironment(e);return t?new om(t):null}setupLightMap(e){let t=null;return e.material.lightMap&&(t=new um(_p)),t}setupOutgoingLight(){return Wn.rgb}setupLightingModel(){return new dm}}const pm=gn(({f0:e,f90:t,dotVH:r})=>{const s=r.mul(-5.55473).sub(6.98316).mul(r).exp2();return e.mul(s.oneMinus()).add(t.mul(s))}),gm=gn(e=>e.diffuseColor.mul(1/Math.PI)),mm=gn(({dotNH:e})=>la.mul(Tn(.5)).add(1).mul(Tn(1/Math.PI)).mul(e.pow(la))),fm=gn(({lightDirection:e})=>{const t=e.add(_c).normalize(),r=Bc.dot(t).clamp(),s=_c.dot(t).clamp(),i=pm({f0:aa,f90:1,dotVH:s}),n=Tn(.25),a=mm({dotNH:r});return i.mul(n).mul(a)});class ym extends dm{constructor(e=!0){super(),this.specular=e}direct({lightDirection:e,lightColor:t,reflectedLight:r}){const s=Bc.dot(e).clamp().mul(t);r.directDiffuse.addAssign(s.mul(gm({diffuseColor:Wn.rgb}))),!0===this.specular&&r.directSpecular.addAssign(s.mul(fm({lightDirection:e})).mul(Xh))}indirect(e){const{ambientOcclusion:t,irradiance:r,reflectedLight:s}=e.context;s.indirectDiffuse.addAssign(r.mul(gm({diffuseColor:Wn}))),s.indirectDiffuse.mulAssign(t)}}const bm=new ye;class xm extends Dg{static get type(){return"MeshLambertNodeMaterial"}constructor(e){super(),this.isMeshLambertNodeMaterial=!0,this.lights=!0,this.setDefaultValues(bm),this.setValues(e)}setupEnvironment(e){const t=super.setupEnvironment(e);return t?new om(t):null}setupLightingModel(){return new ym(!1)}}const Tm=new be;class _m extends Dg{static get type(){return"MeshPhongNodeMaterial"}constructor(e){super(),this.isMeshPhongNodeMaterial=!0,this.lights=!0,this.shininessNode=null,this.specularNode=null,this.setDefaultValues(Tm),this.setValues(e)}setupEnvironment(e){const t=super.setupEnvironment(e);return t?new om(t):null}setupLightingModel(){return new ym}setupVariants(){const e=(this.shininessNode?Tn(this.shininessNode):zh).max(1e-4);la.assign(e);const t=this.specularNode||Hh;aa.assign(t)}}const vm=gn(e=>{if(!1===e.geometry.hasAttribute("normal"))return Tn(0);const t=Cc.dFdx().abs().max(Cc.dFdy().abs());return t.x.max(t.y).max(t.z)}),Nm=gn(e=>{const{roughness:t}=e,r=vm();let s=t.max(.0525);return s=s.add(r),s=s.min(1),s}),Sm=gn(({alpha:e,dotNL:t,dotNV:r})=>{const s=e.pow2(),i=t.mul(s.add(s.oneMinus().mul(r.pow2())).sqrt()),n=r.mul(s.add(s.oneMinus().mul(t.pow2())).sqrt());return ka(.5,i.add(n).max(lo))}).setLayout({name:"V_GGX_SmithCorrelated",type:"float",inputs:[{name:"alpha",type:"float"},{name:"dotNL",type:"float"},{name:"dotNV",type:"float"}]}),Em=gn(({alphaT:e,alphaB:t,dotTV:r,dotBV:s,dotTL:i,dotBL:n,dotNV:a,dotNL:o})=>{const u=o.mul(An(e.mul(r),t.mul(s),a).length()),l=a.mul(An(e.mul(i),t.mul(n),o).length());return ka(.5,u.add(l).max(lo))}).setLayout({name:"V_GGX_SmithCorrelated_Anisotropic",type:"float",inputs:[{name:"alphaT",type:"float",qualifier:"in"},{name:"alphaB",type:"float",qualifier:"in"},{name:"dotTV",type:"float",qualifier:"in"},{name:"dotBV",type:"float",qualifier:"in"},{name:"dotTL",type:"float",qualifier:"in"},{name:"dotBL",type:"float",qualifier:"in"},{name:"dotNV",type:"float",qualifier:"in"},{name:"dotNL",type:"float",qualifier:"in"}]}),Rm=gn(({alpha:e,dotNH:t})=>{const r=e.pow2(),s=t.pow2().mul(r.oneMinus()).oneMinus();return r.div(s.pow2()).mul(1/Math.PI)}).setLayout({name:"D_GGX",type:"float",inputs:[{name:"alpha",type:"float"},{name:"dotNH",type:"float"}]}),wm=Tn(1/Math.PI),Am=gn(({alphaT:e,alphaB:t,dotNH:r,dotTH:s,dotBH:i})=>{const n=e.mul(t),a=An(t.mul(s),e.mul(i),n.mul(r)),o=a.dot(a),u=n.div(o);return wm.mul(n.mul(u.pow2()))}).setLayout({name:"D_GGX_Anisotropic",type:"float",inputs:[{name:"alphaT",type:"float",qualifier:"in"},{name:"alphaB",type:"float",qualifier:"in"},{name:"dotNH",type:"float",qualifier:"in"},{name:"dotTH",type:"float",qualifier:"in"},{name:"dotBH",type:"float",qualifier:"in"}]}),Cm=gn(({lightDirection:e,f0:t,f90:r,roughness:s,f:i,normalView:n=Bc,USE_IRIDESCENCE:a,USE_ANISOTROPY:o})=>{const u=s.pow2(),l=e.add(_c).normalize(),d=n.dot(e).clamp(),c=n.dot(_c).clamp(),h=n.dot(l).clamp(),p=_c.dot(l).clamp();let g,m,f=pm({f0:t,f90:r,dotVH:p});if(en(a)&&(f=Jn.mix(f,i)),en(o)){const t=ia.dot(e),r=ia.dot(_c),s=ia.dot(l),i=na.dot(e),n=na.dot(_c),a=na.dot(l);g=Em({alphaT:ra,alphaB:u,dotTV:r,dotBV:n,dotTL:t,dotBL:i,dotNV:c,dotNL:d}),m=Am({alphaT:ra,alphaB:u,dotNH:h,dotTH:s,dotBH:a})}else g=Sm({alpha:u,dotNL:d,dotNV:c}),m=Rm({alpha:u,dotNH:h});return f.mul(g).mul(m)}),Mm=new 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Bm=null;const Lm=gn(({roughness:e,dotNV:t})=>{null===Bm&&(Bm=new xe(Mm,16,16,$,Te),Bm.name="DFG_LUT",Bm.minFilter=le,Bm.magFilter=le,Bm.wrapS=_e,Bm.wrapT=_e,Bm.generateMipmaps=!1,Bm.needsUpdate=!0);const r=Sn(e,t);return rd(Bm,r).rg}),Fm=gn(({lightDirection:e,f0:t,f90:r,roughness:s,f:i,USE_IRIDESCENCE:n,USE_ANISOTROPY:a})=>{const o=Cm({lightDirection:e,f0:t,f90:r,roughness:s,f:i,USE_IRIDESCENCE:n,USE_ANISOTROPY:a}),u=Bc.dot(e).clamp(),l=Bc.dot(_c).clamp(),d=Lm({roughness:s,dotNV:l}),c=Lm({roughness:s,dotNV:u}),h=t.mul(d.x).add(r.mul(d.y)),p=t.mul(c.x).add(r.mul(c.y)),g=d.x.add(d.y),m=c.x.add(c.y),f=Tn(1).sub(g),y=Tn(1).sub(m),b=t.add(t.oneMinus().mul(.047619)),x=h.mul(p).mul(b).div(Tn(1).sub(f.mul(y).mul(b).mul(b)).add(lo)),T=f.mul(y),_=x.mul(T);return o.add(_)}),Pm=gn(e=>{const{dotNV:t,specularColor:r,specularF90:s,roughness:i}=e,n=Lm({dotNV:t,roughness:i});return r.mul(n.x).add(s.mul(n.y))}),Um=gn(({f:e,f90:t,dotVH:r})=>{const s=r.oneMinus().saturate(),i=s.mul(s),n=s.mul(i,i).clamp(0,.9999);return e.sub(An(t).mul(n)).div(n.oneMinus())}).setLayout({name:"Schlick_to_F0",type:"vec3",inputs:[{name:"f",type:"vec3"},{name:"f90",type:"float"},{name:"dotVH",type:"float"}]}),Dm=gn(({roughness:e,dotNH:t})=>{const r=e.pow2(),s=Tn(1).div(r),i=t.pow2().oneMinus().max(.0078125);return Tn(2).add(s).mul(i.pow(s.mul(.5))).div(2*Math.PI)}).setLayout({name:"D_Charlie",type:"float",inputs:[{name:"roughness",type:"float"},{name:"dotNH",type:"float"}]}),Om=gn(({dotNV:e,dotNL:t})=>Tn(1).div(Tn(4).mul(t.add(e).sub(t.mul(e))))).setLayout({name:"V_Neubelt",type:"float",inputs:[{name:"dotNV",type:"float"},{name:"dotNL",type:"float"}]}),Im=gn(({lightDirection:e})=>{const t=e.add(_c).normalize(),r=Bc.dot(e).clamp(),s=Bc.dot(_c).clamp(),i=Bc.dot(t).clamp(),n=Dm({roughness:Zn,dotNH:i}),a=Om({dotNV:s,dotNL:r});return Kn.mul(n).mul(a)}),Vm=gn(({N:e,V:t,roughness:r})=>{const s=e.dot(t).saturate(),i=Sn(r,s.oneMinus().sqrt());return i.assign(i.mul(.984375).add(.0078125)),i}).setLayout({name:"LTC_Uv",type:"vec2",inputs:[{name:"N",type:"vec3"},{name:"V",type:"vec3"},{name:"roughness",type:"float"}]}),km=gn(({f:e})=>{const t=e.length();return su(t.mul(t).add(e.z).div(t.add(1)),0)}).setLayout({name:"LTC_ClippedSphereFormFactor",type:"float",inputs:[{name:"f",type:"vec3"}]}),Gm=gn(({v1:e,v2:t})=>{const r=e.dot(t),s=r.abs().toVar(),i=s.mul(.0145206).add(.4965155).mul(s).add(.8543985).toVar(),n=s.add(4.1616724).mul(s).add(3.417594).toVar(),a=i.div(n),o=r.greaterThan(0).select(a,su(r.mul(r).oneMinus(),1e-7).inverseSqrt().mul(.5).sub(a));return e.cross(t).mul(o)}).setLayout({name:"LTC_EdgeVectorFormFactor",type:"vec3",inputs:[{name:"v1",type:"vec3"},{name:"v2",type:"vec3"}]}),zm=gn(({N:e,V:t,P:r,mInv:s,p0:i,p1:n,p2:a,p3:o})=>{const u=n.sub(i).toVar(),l=o.sub(i).toVar(),d=u.cross(l),c=An().toVar();return yn(d.dot(r.sub(i)).greaterThanEqual(0),()=>{const u=t.sub(e.mul(t.dot(e))).normalize(),l=e.cross(u).negate(),d=s.mul(On(u,l,e).transpose()).toVar(),h=d.mul(i.sub(r)).normalize().toVar(),p=d.mul(n.sub(r)).normalize().toVar(),g=d.mul(a.sub(r)).normalize().toVar(),m=d.mul(o.sub(r)).normalize().toVar(),f=An(0).toVar();f.addAssign(Gm({v1:h,v2:p})),f.addAssign(Gm({v1:p,v2:g})),f.addAssign(Gm({v1:g,v2:m})),f.addAssign(Gm({v1:m,v2:h})),c.assign(An(km({f:f})))}),c}).setLayout({name:"LTC_Evaluate",type:"vec3",inputs:[{name:"N",type:"vec3"},{name:"V",type:"vec3"},{name:"P",type:"vec3"},{name:"mInv",type:"mat3"},{name:"p0",type:"vec3"},{name:"p1",type:"vec3"},{name:"p2",type:"vec3"},{name:"p3",type:"vec3"}]}),$m=gn(({P:e,p0:t,p1:r,p2:s,p3:i})=>{const n=r.sub(t).toVar(),a=i.sub(t).toVar(),o=n.cross(a),u=An().toVar();return yn(o.dot(e.sub(t)).greaterThanEqual(0),()=>{const n=t.sub(e).normalize().toVar(),a=r.sub(e).normalize().toVar(),o=s.sub(e).normalize().toVar(),l=i.sub(e).normalize().toVar(),d=An(0).toVar();d.addAssign(Gm({v1:n,v2:a})),d.addAssign(Gm({v1:a,v2:o})),d.addAssign(Gm({v1:o,v2:l})),d.addAssign(Gm({v1:l,v2:n})),u.assign(An(km({f:d.abs()})))}),u}).setLayout({name:"LTC_Evaluate",type:"vec3",inputs:[{name:"P",type:"vec3"},{name:"p0",type:"vec3"},{name:"p1",type:"vec3"},{name:"p2",type:"vec3"},{name:"p3",type:"vec3"}]}),Wm=1/6,Hm=e=>Va(Wm,Va(e,Va(e,e.negate().add(3)).sub(3)).add(1)),jm=e=>Va(Wm,Va(e,Va(e,Va(3,e).sub(6))).add(4)),qm=e=>Va(Wm,Va(e,Va(e,Va(-3,e).add(3)).add(3)).add(1)),Xm=e=>Va(Wm,du(e,3)),Ym=e=>Hm(e).add(jm(e)),Qm=e=>qm(e).add(Xm(e)),Km=e=>Oa(-1,jm(e).div(Hm(e).add(jm(e)))),Zm=e=>Oa(1,Xm(e).div(qm(e).add(Xm(e)))),Jm=(e,t,r)=>{const s=e.uvNode,i=Va(s,t.zw).add(.5),n=Ro(i),a=Co(i),o=Ym(a.x),u=Qm(a.x),l=Km(a.x),d=Zm(a.x),c=Km(a.y),h=Zm(a.y),p=Sn(n.x.add(l),n.y.add(c)).sub(.5).mul(t.xy),g=Sn(n.x.add(d),n.y.add(c)).sub(.5).mul(t.xy),m=Sn(n.x.add(l),n.y.add(h)).sub(.5).mul(t.xy),f=Sn(n.x.add(d),n.y.add(h)).sub(.5).mul(t.xy),y=Ym(a.y).mul(Oa(o.mul(e.sample(p).level(r)),u.mul(e.sample(g).level(r)))),b=Qm(a.y).mul(Oa(o.mul(e.sample(m).level(r)),u.mul(e.sample(f).level(r))));return y.add(b)},ef=gn(([e,t])=>{const r=Sn(e.size(_n(t))),s=Sn(e.size(_n(t.add(1)))),i=ka(1,r),n=ka(1,s),a=Jm(e,Ln(i,r),Ro(t)),o=Jm(e,Ln(n,s),wo(t));return Co(t).mix(a,o)}),tf=gn(([e,t])=>{const r=t.mul(Kl(e));return ef(e,r)}),rf=gn(([e,t,r,s,i])=>{const n=An(vu(t.negate(),Ao(e),ka(1,s))),a=An(Wo(i[0].xyz),Wo(i[1].xyz),Wo(i[2].xyz));return Ao(n).mul(r.mul(a))}).setLayout({name:"getVolumeTransmissionRay",type:"vec3",inputs:[{name:"n",type:"vec3"},{name:"v",type:"vec3"},{name:"thickness",type:"float"},{name:"ior",type:"float"},{name:"modelMatrix",type:"mat4"}]}),sf=gn(([e,t])=>e.mul(Tu(t.mul(2).sub(2),0,1))).setLayout({name:"applyIorToRoughness",type:"float",inputs:[{name:"roughness",type:"float"},{name:"ior",type:"float"}]}),nf=pg(),af=mg(),of=gn(([e,t,r],{material:s})=>{const i=(s.side===F?nf:af).sample(e),n=No(fd.x).mul(sf(t,r));return ef(i,n)}),uf=gn(([e,t,r])=>(yn(r.notEqual(0),()=>{const s=vo(t).negate().div(r);return To(s.negate().mul(e))}),An(1))).setLayout({name:"volumeAttenuation",type:"vec3",inputs:[{name:"transmissionDistance",type:"float"},{name:"attenuationColor",type:"vec3"},{name:"attenuationDistance",type:"float"}]}),lf=gn(([e,t,r,s,i,n,a,o,u,l,d,c,h,p,g])=>{let m,f;if(g){m=Ln().toVar(),f=An().toVar();const i=d.sub(1).mul(g.mul(.025)),n=An(d.sub(i),d,d.add(i));Zp({start:0,end:3},({i:i})=>{const d=n.element(i),g=rf(e,t,c,d,o),y=a.add(g),b=l.mul(u.mul(Ln(y,1))),x=Sn(b.xy.div(b.w)).toVar();x.addAssign(1),x.divAssign(2),x.assign(Sn(x.x,x.y.oneMinus()));const T=of(x,r,d);m.element(i).assign(T.element(i)),m.a.addAssign(T.a),f.element(i).assign(s.element(i).mul(uf(Wo(g),h,p).element(i)))}),m.a.divAssign(3)}else{const i=rf(e,t,c,d,o),n=a.add(i),g=l.mul(u.mul(Ln(n,1))),y=Sn(g.xy.div(g.w)).toVar();y.addAssign(1),y.divAssign(2),y.assign(Sn(y.x,y.y.oneMinus())),m=of(y,r,d),f=s.mul(uf(Wo(i),h,p))}const y=f.rgb.mul(m.rgb),b=e.dot(t).clamp(),x=An(Pm({dotNV:b,specularColor:i,specularF90:n,roughness:r})),T=f.r.add(f.g,f.b).div(3);return Ln(x.oneMinus().mul(y),m.a.oneMinus().mul(T).oneMinus())}),df=On(3.2404542,-.969266,.0556434,-1.5371385,1.8760108,-.2040259,-.4985314,.041556,1.0572252),cf=(e,t)=>e.sub(t).div(e.add(t)).pow2(),hf=gn(({outsideIOR:e,eta2:t,cosTheta1:r,thinFilmThickness:s,baseF0:i})=>{const n=xu(e,t,Nu(0,.03,s)),a=e.div(n).pow2().mul(r.pow2().oneMinus()).oneMinus();yn(a.lessThan(0),()=>An(1));const o=a.sqrt(),u=cf(n,e),l=pm({f0:u,f90:1,dotVH:r}),d=l.oneMinus(),c=n.lessThan(e).select(Math.PI,0),h=Tn(Math.PI).sub(c),p=(e=>{const t=e.sqrt();return An(1).add(t).div(An(1).sub(t))})(i.clamp(0,.9999)),g=cf(p,n.toVec3()),m=pm({f0:g,f90:1,dotVH:o}),f=An(p.x.lessThan(n).select(Math.PI,0),p.y.lessThan(n).select(Math.PI,0),p.z.lessThan(n).select(Math.PI,0)),y=n.mul(s,o,2),b=An(h).add(f),x=l.mul(m).clamp(1e-5,.9999),T=x.sqrt(),_=d.pow2().mul(m).div(An(1).sub(x)),v=l.add(_).toVar(),N=_.sub(d).toVar();return Zp({start:1,end:2,condition:"<=",name:"m"},({m:e})=>{N.mulAssign(T);const t=((e,t)=>{const r=e.mul(2*Math.PI*1e-9),s=An(54856e-17,44201e-17,52481e-17),i=An(1681e3,1795300,2208400),n=An(43278e5,93046e5,66121e5),a=Tn(9747e-17*Math.sqrt(2*Math.PI*45282e5)).mul(r.mul(2239900).add(t.x).cos()).mul(r.pow2().mul(-45282e5).exp());let o=s.mul(n.mul(2*Math.PI).sqrt()).mul(i.mul(r).add(t).cos()).mul(r.pow2().negate().mul(n).exp());return o=An(o.x.add(a),o.y,o.z).div(1.0685e-7),df.mul(o)})(Tn(e).mul(y),Tn(e).mul(b)).mul(2);v.addAssign(N.mul(t))}),v.max(An(0))}).setLayout({name:"evalIridescence",type:"vec3",inputs:[{name:"outsideIOR",type:"float"},{name:"eta2",type:"float"},{name:"cosTheta1",type:"float"},{name:"thinFilmThickness",type:"float"},{name:"baseF0",type:"vec3"}]}),pf=gn(({normal:e,viewDir:t,roughness:r})=>{const s=e.dot(t).saturate(),i=r.mul(r),n=r.add(.1).reciprocal(),a=Tn(-1.9362).add(r.mul(1.0678)).add(i.mul(.4573)).sub(n.mul(.8469)),o=Tn(-.6014).add(r.mul(.5538)).sub(i.mul(.467)).sub(n.mul(.1255));return a.mul(s).add(o).exp().saturate()}),gf=An(.04),mf=Tn(1);class ff extends lm{constructor(e=!1,t=!1,r=!1,s=!1,i=!1,n=!1){super(),this.clearcoat=e,this.sheen=t,this.iridescence=r,this.anisotropy=s,this.transmission=i,this.dispersion=n,this.clearcoatRadiance=null,this.clearcoatSpecularDirect=null,this.clearcoatSpecularIndirect=null,this.sheenSpecularDirect=null,this.sheenSpecularIndirect=null,this.iridescenceFresnel=null,this.iridescenceF0=null,this.iridescenceF0Dielectric=null,this.iridescenceF0Metallic=null}start(e){if(!0===this.clearcoat&&(this.clearcoatRadiance=An().toVar("clearcoatRadiance"),this.clearcoatSpecularDirect=An().toVar("clearcoatSpecularDirect"),this.clearcoatSpecularIndirect=An().toVar("clearcoatSpecularIndirect")),!0===this.sheen&&(this.sheenSpecularDirect=An().toVar("sheenSpecularDirect"),this.sheenSpecularIndirect=An().toVar("sheenSpecularIndirect")),!0===this.iridescence){const e=Bc.dot(_c).clamp(),t=hf({outsideIOR:Tn(1),eta2:ea,cosTheta1:e,thinFilmThickness:ta,baseF0:aa}),r=hf({outsideIOR:Tn(1),eta2:ea,cosTheta1:e,thinFilmThickness:ta,baseF0:Wn.rgb});this.iridescenceFresnel=xu(t,r,Xn),this.iridescenceF0Dielectric=Um({f:t,f90:1,dotVH:e}),this.iridescenceF0Metallic=Um({f:r,f90:1,dotVH:e}),this.iridescenceF0=xu(this.iridescenceF0Dielectric,this.iridescenceF0Metallic,Xn)}if(!0===this.transmission){const t=bc,r=Hd.sub(bc).normalize(),s=Lc,i=e.context;i.backdrop=lf(s,r,qn,Hn,oa,ua,t,sc,zd,kd,ga,fa,ba,ya,this.dispersion?xa:null),i.backdropAlpha=ma,Wn.a.mulAssign(xu(1,i.backdrop.a,ma))}super.start(e)}computeMultiscattering(e,t,r,s,i=null){const n=Bc.dot(_c).clamp(),a=Lm({roughness:qn,dotNV:n}),o=i?Jn.mix(s,i):s,u=o.mul(a.x).add(r.mul(a.y)),l=a.x.add(a.y).oneMinus(),d=o.add(o.oneMinus().mul(.047619)),c=u.mul(d).div(l.mul(d).oneMinus());e.addAssign(u),t.addAssign(c.mul(l))}direct({lightDirection:e,lightColor:t,reflectedLight:r}){const s=Bc.dot(e).clamp().mul(t).toVar();if(!0===this.sheen){this.sheenSpecularDirect.addAssign(s.mul(Im({lightDirection:e})));const t=pf({normal:Bc,viewDir:_c,roughness:Zn}),r=pf({normal:Bc,viewDir:e,roughness:Zn}),i=Kn.r.max(Kn.g).max(Kn.b).mul(t.max(r)).oneMinus();s.mulAssign(i)}if(!0===this.clearcoat){const r=Fc.dot(e).clamp().mul(t);this.clearcoatSpecularDirect.addAssign(r.mul(Cm({lightDirection:e,f0:gf,f90:mf,roughness:Qn,normalView:Fc})))}r.directDiffuse.addAssign(s.mul(gm({diffuseColor:Hn}))),r.directSpecular.addAssign(s.mul(Fm({lightDirection:e,f0:oa,f90:1,roughness:qn,f:this.iridescenceFresnel,USE_IRIDESCENCE:this.iridescence,USE_ANISOTROPY:this.anisotropy})))}directRectArea({lightColor:e,lightPosition:t,halfWidth:r,halfHeight:s,reflectedLight:i,ltc_1:n,ltc_2:a}){const o=t.add(r).sub(s),u=t.sub(r).sub(s),l=t.sub(r).add(s),d=t.add(r).add(s),c=Bc,h=_c,p=Tc.toVar(),g=Vm({N:c,V:h,roughness:qn}),m=n.sample(g).toVar(),f=a.sample(g).toVar(),y=On(An(m.x,0,m.y),An(0,1,0),An(m.z,0,m.w)).toVar(),b=oa.mul(f.x).add(ua.sub(oa).mul(f.y)).toVar();if(i.directSpecular.addAssign(e.mul(b).mul(zm({N:c,V:h,P:p,mInv:y,p0:o,p1:u,p2:l,p3:d}))),i.directDiffuse.addAssign(e.mul(Hn).mul(zm({N:c,V:h,P:p,mInv:On(1,0,0,0,1,0,0,0,1),p0:o,p1:u,p2:l,p3:d}))),!0===this.clearcoat){const t=Fc,r=Vm({N:t,V:h,roughness:Qn}),s=n.sample(r),i=a.sample(r),c=On(An(s.x,0,s.y),An(0,1,0),An(s.z,0,s.w)),g=gf.mul(i.x).add(mf.sub(gf).mul(i.y));this.clearcoatSpecularDirect.addAssign(e.mul(g).mul(zm({N:t,V:h,P:p,mInv:c,p0:o,p1:u,p2:l,p3:d})))}}indirect(e){this.indirectDiffuse(e),this.indirectSpecular(e),this.ambientOcclusion(e)}indirectDiffuse(e){const{irradiance:t,reflectedLight:r}=e.context,s=t.mul(gm({diffuseColor:Hn})).toVar();if(!0===this.sheen){const e=pf({normal:Bc,viewDir:_c,roughness:Zn}),t=Kn.r.max(Kn.g).max(Kn.b).mul(e).oneMinus();s.mulAssign(t)}r.indirectDiffuse.addAssign(s)}indirectSpecular(e){const{radiance:t,iblIrradiance:r,reflectedLight:s}=e.context;if(!0===this.sheen&&this.sheenSpecularIndirect.addAssign(r.mul(Kn,pf({normal:Bc,viewDir:_c,roughness:Zn}))),!0===this.clearcoat){const e=Fc.dot(_c).clamp(),t=Pm({dotNV:e,specularColor:gf,specularF90:mf,roughness:Qn});this.clearcoatSpecularIndirect.addAssign(this.clearcoatRadiance.mul(t))}const i=An().toVar("singleScatteringDielectric"),n=An().toVar("multiScatteringDielectric"),a=An().toVar("singleScatteringMetallic"),o=An().toVar("multiScatteringMetallic");this.computeMultiscattering(i,n,ua,aa,this.iridescenceF0Dielectric),this.computeMultiscattering(a,o,ua,Wn.rgb,this.iridescenceF0Metallic);const u=xu(i,a,Xn),l=xu(n,o,Xn),d=i.add(n),c=Hn.mul(d.oneMinus()),h=r.mul(1/Math.PI),p=t.mul(u).add(l.mul(h)).toVar(),g=c.mul(h).toVar();if(!0===this.sheen){const e=pf({normal:Bc,viewDir:_c,roughness:Zn}),t=Kn.r.max(Kn.g).max(Kn.b).mul(e).oneMinus();p.mulAssign(t),g.mulAssign(t)}s.indirectSpecular.addAssign(p),s.indirectDiffuse.addAssign(g)}ambientOcclusion(e){const{ambientOcclusion:t,reflectedLight:r}=e.context,s=Bc.dot(_c).clamp().add(t),i=qn.mul(-16).oneMinus().negate().exp2(),n=t.sub(s.pow(i).oneMinus()).clamp();!0===this.clearcoat&&this.clearcoatSpecularIndirect.mulAssign(t),!0===this.sheen&&this.sheenSpecularIndirect.mulAssign(t),r.indirectDiffuse.mulAssign(t),r.indirectSpecular.mulAssign(n)}finish({context:e}){const{outgoingLight:t}=e;if(!0===this.clearcoat){const e=Fc.dot(_c).clamp(),r=pm({dotVH:e,f0:gf,f90:mf}),s=t.mul(Yn.mul(r).oneMinus()).add(this.clearcoatSpecularDirect.add(this.clearcoatSpecularIndirect).mul(Yn));t.assign(s)}if(!0===this.sheen){const e=t.add(this.sheenSpecularDirect,this.sheenSpecularIndirect.mul(1/Math.PI));t.assign(e)}}}const yf=Tn(1),bf=Tn(-2),xf=Tn(.8),Tf=Tn(-1),_f=Tn(.4),vf=Tn(2),Nf=Tn(.305),Sf=Tn(3),Ef=Tn(.21),Rf=Tn(4),wf=Tn(4),Af=Tn(16),Cf=gn(([e])=>{const t=An(zo(e)).toVar(),r=Tn(-1).toVar();return yn(t.x.greaterThan(t.z),()=>{yn(t.x.greaterThan(t.y),()=>{r.assign(Lu(e.x.greaterThan(0),0,3))}).Else(()=>{r.assign(Lu(e.y.greaterThan(0),1,4))})}).Else(()=>{yn(t.z.greaterThan(t.y),()=>{r.assign(Lu(e.z.greaterThan(0),2,5))}).Else(()=>{r.assign(Lu(e.y.greaterThan(0),1,4))})}),r}).setLayout({name:"getFace",type:"float",inputs:[{name:"direction",type:"vec3"}]}),Mf=gn(([e,t])=>{const r=Sn().toVar();return yn(t.equal(0),()=>{r.assign(Sn(e.z,e.y).div(zo(e.x)))}).ElseIf(t.equal(1),()=>{r.assign(Sn(e.x.negate(),e.z.negate()).div(zo(e.y)))}).ElseIf(t.equal(2),()=>{r.assign(Sn(e.x.negate(),e.y).div(zo(e.z)))}).ElseIf(t.equal(3),()=>{r.assign(Sn(e.z.negate(),e.y).div(zo(e.x)))}).ElseIf(t.equal(4),()=>{r.assign(Sn(e.x.negate(),e.z).div(zo(e.y)))}).Else(()=>{r.assign(Sn(e.x,e.y).div(zo(e.z)))}),Va(.5,r.add(1))}).setLayout({name:"getUV",type:"vec2",inputs:[{name:"direction",type:"vec3"},{name:"face",type:"float"}]}),Bf=gn(([e])=>{const t=Tn(0).toVar();return yn(e.greaterThanEqual(xf),()=>{t.assign(yf.sub(e).mul(Tf.sub(bf)).div(yf.sub(xf)).add(bf))}).ElseIf(e.greaterThanEqual(_f),()=>{t.assign(xf.sub(e).mul(vf.sub(Tf)).div(xf.sub(_f)).add(Tf))}).ElseIf(e.greaterThanEqual(Nf),()=>{t.assign(_f.sub(e).mul(Sf.sub(vf)).div(_f.sub(Nf)).add(vf))}).ElseIf(e.greaterThanEqual(Ef),()=>{t.assign(Nf.sub(e).mul(Rf.sub(Sf)).div(Nf.sub(Ef)).add(Sf))}).Else(()=>{t.assign(Tn(-2).mul(No(Va(1.16,e))))}),t}).setLayout({name:"roughnessToMip",type:"float",inputs:[{name:"roughness",type:"float"}]}),Lf=gn(([e,t])=>{const r=e.toVar();r.assign(Va(2,r).sub(1));const s=An(r,1).toVar();return yn(t.equal(0),()=>{s.assign(s.zyx)}).ElseIf(t.equal(1),()=>{s.assign(s.xzy),s.xz.mulAssign(-1)}).ElseIf(t.equal(2),()=>{s.x.mulAssign(-1)}).ElseIf(t.equal(3),()=>{s.assign(s.zyx),s.xz.mulAssign(-1)}).ElseIf(t.equal(4),()=>{s.assign(s.xzy),s.xy.mulAssign(-1)}).ElseIf(t.equal(5),()=>{s.z.mulAssign(-1)}),s}).setLayout({name:"getDirection",type:"vec3",inputs:[{name:"uv",type:"vec2"},{name:"face",type:"float"}]}),Ff=gn(([e,t,r,s,i,n])=>{const a=Tn(r),o=An(t),u=Tu(Bf(a),bf,n),l=Co(u),d=Ro(u),c=An(Pf(e,o,d,s,i,n)).toVar();return yn(l.notEqual(0),()=>{const t=An(Pf(e,o,d.add(1),s,i,n)).toVar();c.assign(xu(c,t,l))}),c}),Pf=gn(([e,t,r,s,i,n])=>{const a=Tn(r).toVar(),o=An(t),u=Tn(Cf(o)).toVar(),l=Tn(su(wf.sub(a),0)).toVar();a.assign(su(a,wf));const d=Tn(_o(a)).toVar(),c=Sn(Mf(o,u).mul(d.sub(2)).add(1)).toVar();return yn(u.greaterThan(2),()=>{c.y.addAssign(d),u.subAssign(3)}),c.x.addAssign(u.mul(d)),c.x.addAssign(l.mul(Va(3,Af))),c.y.addAssign(Va(4,_o(n).sub(d))),c.x.mulAssign(s),c.y.mulAssign(i),e.sample(c).grad(Sn(),Sn())}),Uf=gn(({envMap:e,mipInt:t,outputDirection:r,theta:s,axis:i,CUBEUV_TEXEL_WIDTH:n,CUBEUV_TEXEL_HEIGHT:a,CUBEUV_MAX_MIP:o})=>{const u=Lo(s),l=r.mul(u).add(i.cross(r).mul(Mo(s))).add(i.mul(i.dot(r).mul(u.oneMinus())));return Pf(e,l,t,n,a,o)}),Df=gn(({n:e,latitudinal:t,poleAxis:r,outputDirection:s,weights:i,samples:n,dTheta:a,mipInt:o,envMap:u,CUBEUV_TEXEL_WIDTH:l,CUBEUV_TEXEL_HEIGHT:d,CUBEUV_MAX_MIP:c})=>{const h=An(Lu(t,r,lu(r,s))).toVar();yn(h.equal(An(0)),()=>{h.assign(An(s.z,0,s.x.negate()))}),h.assign(Ao(h));const p=An().toVar();return p.addAssign(i.element(0).mul(Uf({theta:0,axis:h,outputDirection:s,mipInt:o,envMap:u,CUBEUV_TEXEL_WIDTH:l,CUBEUV_TEXEL_HEIGHT:d,CUBEUV_MAX_MIP:c}))),Zp({start:_n(1),end:e},({i:e})=>{yn(e.greaterThanEqual(n),()=>{Jp()});const t=Tn(a.mul(Tn(e))).toVar();p.addAssign(i.element(e).mul(Uf({theta:t.mul(-1),axis:h,outputDirection:s,mipInt:o,envMap:u,CUBEUV_TEXEL_WIDTH:l,CUBEUV_TEXEL_HEIGHT:d,CUBEUV_MAX_MIP:c}))),p.addAssign(i.element(e).mul(Uf({theta:t,axis:h,outputDirection:s,mipInt:o,envMap:u,CUBEUV_TEXEL_WIDTH:l,CUBEUV_TEXEL_HEIGHT:d,CUBEUV_MAX_MIP:c})))}),Ln(p,1)}),Of=gn(([e])=>{const t=vn(e).toVar();return t.assign(t.shiftLeft(vn(16)).bitOr(t.shiftRight(vn(16)))),t.assign(t.bitAnd(vn(1431655765)).shiftLeft(vn(1)).bitOr(t.bitAnd(vn(2863311530)).shiftRight(vn(1)))),t.assign(t.bitAnd(vn(858993459)).shiftLeft(vn(2)).bitOr(t.bitAnd(vn(3435973836)).shiftRight(vn(2)))),t.assign(t.bitAnd(vn(252645135)).shiftLeft(vn(4)).bitOr(t.bitAnd(vn(4042322160)).shiftRight(vn(4)))),t.assign(t.bitAnd(vn(16711935)).shiftLeft(vn(8)).bitOr(t.bitAnd(vn(4278255360)).shiftRight(vn(8)))),Tn(t).mul(2.3283064365386963e-10)}),If=gn(([e,t])=>Sn(Tn(e).div(Tn(t)),Of(e))),Vf=gn(([e,t,r])=>{const s=r.mul(r).toConst(),i=An(1,0,0).toConst(),n=lu(t,i).toConst(),a=So(e.x).toConst(),o=Va(2,3.14159265359).mul(e.y).toConst(),u=a.mul(Lo(o)).toConst(),l=a.mul(Mo(o)).toVar(),d=Va(.5,t.z.add(1)).toConst();l.assign(d.oneMinus().mul(So(u.mul(u).oneMinus())).add(d.mul(l)));const c=i.mul(u).add(n.mul(l)).add(t.mul(So(su(0,u.mul(u).add(l.mul(l)).oneMinus()))));return Ao(An(s.mul(c.x),s.mul(c.y),su(0,c.z)))}),kf=gn(({roughness:e,mipInt:t,envMap:r,N_immutable:s,GGX_SAMPLES:i,CUBEUV_TEXEL_WIDTH:n,CUBEUV_TEXEL_HEIGHT:a,CUBEUV_MAX_MIP:o})=>{const u=An(s).toVar(),l=An(0).toVar(),d=Tn(0).toVar();return yn(e.lessThan(.001),()=>{l.assign(Pf(r,u,t,n,a,o))}).Else(()=>{const s=Lu(zo(u.z).lessThan(.999),An(0,0,1),An(1,0,0)),c=Ao(lu(s,u)).toVar(),h=lu(u,c).toVar();Zp({start:vn(0),end:i},({i:s})=>{const p=If(s,i),g=Vf(p,An(0,0,1),e),m=Ao(c.mul(g.x).add(h.mul(g.y)).add(u.mul(g.z))),f=Ao(m.mul(uu(u,m).mul(2)).sub(u)),y=su(uu(u,f),0);yn(y.greaterThan(0),()=>{const e=Pf(r,f,t,n,a,o);l.addAssign(e.mul(y)),d.addAssign(y)})}),yn(d.greaterThan(0),()=>{l.assign(l.div(d))})}),Ln(l,1)}),Gf=[.125,.215,.35,.446,.526,.582],zf=20,$f=new Ne(-1,1,1,-1,0,1),Wf=new Se(90,1),Hf=new e;let jf=null,qf=0,Xf=0;const Yf=new r,Qf=new WeakMap,Kf=[3,1,5,0,4,2],Zf=Lf(ql(),jl("faceIndex")).normalize(),Jf=An(Zf.x,Zf.y,Zf.z);class ey{constructor(e){this._renderer=e,this._pingPongRenderTarget=null,this._lodMax=0,this._cubeSize=0,this._sizeLods=[],this._sigmas=[],this._lodMeshes=[],this._blurMaterial=null,this._ggxMaterial=null,this._cubemapMaterial=null,this._equirectMaterial=null,this._backgroundBox=null}get _hasInitialized(){return this._renderer.hasInitialized()}fromScene(e,t=0,r=.1,s=100,i={}){const{size:n=256,position:a=Yf,renderTarget:o=null}=i;if(this._setSize(n),!1===this._hasInitialized)throw new Error('THREE.PMREMGenerator: .fromScene() called before the backend is initialized. Use "await renderer.init();" before using this method.');jf=this._renderer.getRenderTarget(),qf=this._renderer.getActiveCubeFace(),Xf=this._renderer.getActiveMipmapLevel();const u=o||this._allocateTarget(!0);return this._init(u),this._sceneToCubeUV(e,r,s,u,a),t>0&&this._blur(u,0,0,t),this._applyPMREM(u),this._cleanup(u),u}async fromSceneAsync(e,t=0,r=.1,s=100,i={}){return v('PMREMGenerator: ".fromSceneAsync()" is deprecated. Use "await renderer.init()" instead.'),await this._renderer.init(),this.fromScene(e,t,r,s,i)}fromEquirectangular(e,t=null){if(!1===this._hasInitialized)throw new Error('THREE.PMREMGenerator: .fromEquirectangular() called before the backend is initialized. Use "await renderer.init();" before using this method.');return this._fromTexture(e,t)}async fromEquirectangularAsync(e,t=null){return v('PMREMGenerator: ".fromEquirectangularAsync()" is deprecated. Use "await renderer.init()" instead.'),await this._renderer.init(),this._fromTexture(e,t)}fromCubemap(e,t=null){if(!1===this._hasInitialized)throw new Error('THREE.PMREMGenerator: .fromCubemap() called before the backend is initialized. Use "await renderer.init();" before using this method.');return this._fromTexture(e,t)}async fromCubemapAsync(e,t=null){return v('PMREMGenerator: ".fromCubemapAsync()" is deprecated. Use "await renderer.init()" instead.'),await this._renderer.init(),this._fromTexture(e,t)}async compileCubemapShader(){null===this._cubemapMaterial&&(this._cubemapMaterial=sy(),await this._compileMaterial(this._cubemapMaterial))}async compileEquirectangularShader(){null===this._equirectMaterial&&(this._equirectMaterial=iy(),await this._compileMaterial(this._equirectMaterial))}dispose(){this._dispose(),null!==this._cubemapMaterial&&this._cubemapMaterial.dispose(),null!==this._equirectMaterial&&this._equirectMaterial.dispose(),null!==this._backgroundBox&&(this._backgroundBox.geometry.dispose(),this._backgroundBox.material.dispose())}_setSizeFromTexture(e){e.mapping===D||e.mapping===O?this._setSize(0===e.image.length?16:e.image[0].width||e.image[0].image.width):this._setSize(e.image.width/4)}_setSize(e){this._lodMax=Math.floor(Math.log2(e)),this._cubeSize=Math.pow(2,this._lodMax)}_dispose(){null!==this._blurMaterial&&this._blurMaterial.dispose(),null!==this._ggxMaterial&&this._ggxMaterial.dispose(),null!==this._pingPongRenderTarget&&this._pingPongRenderTarget.dispose();for(let e=0;ee-4?o=Gf[a-e+4-1]:0===a&&(o=0),r.push(o);const u=1/(n-2),l=-u,d=1+u,c=[l,l,d,l,d,d,l,l,d,d,l,d],h=6,p=6,g=3,m=2,f=1,y=new Float32Array(g*p*h),b=new Float32Array(m*p*h),x=new Float32Array(f*p*h);for(let e=0;e2?0:-1,s=[t,r,0,t+2/3,r,0,t+2/3,r+1,0,t,r,0,t+2/3,r+1,0,t,r+1,0],i=Kf[e];y.set(s,g*p*i),b.set(c,m*p*i);const n=[i,i,i,i,i,i];x.set(n,f*p*i)}const T=new ve;T.setAttribute("position",new Ae(y,g)),T.setAttribute("uv",new Ae(b,m)),T.setAttribute("faceIndex",new Ae(x,f)),s.push(new oe(T,null)),i>4&&i--}return{lodMeshes:s,sizeLods:t,sigmas:r}}(t)),this._blurMaterial=function(e,t,s){const i=ud(new Array(zf).fill(0)),n=Aa(new r(0,1,0)),a=Aa(0),o=Tn(zf),u=Aa(0),l=Aa(1),d=rd(),c=Aa(0),h=Tn(1/t),p=Tn(1/s),g=Tn(e),m={n:o,latitudinal:u,weights:i,poleAxis:n,outputDirection:Jf,dTheta:a,samples:l,envMap:d,mipInt:c,CUBEUV_TEXEL_WIDTH:h,CUBEUV_TEXEL_HEIGHT:p,CUBEUV_MAX_MIP:g},f=ry("blur");return f.fragmentNode=Df({...m,latitudinal:u.equal(1)}),Qf.set(f,m),f}(t,e.width,e.height),this._ggxMaterial=function(e,t,r){const s=rd(),i=Aa(0),n=Aa(0),a=Tn(1/t),o=Tn(1/r),u=Tn(e),l={envMap:s,roughness:i,mipInt:n,CUBEUV_TEXEL_WIDTH:a,CUBEUV_TEXEL_HEIGHT:o,CUBEUV_MAX_MIP:u},d=ry("ggx");return d.fragmentNode=kf({...l,N_immutable:Jf,GGX_SAMPLES:vn(512)}),Qf.set(d,l),d}(t,e.width,e.height)}}async _compileMaterial(e){const t=new oe(new ve,e);await this._renderer.compile(t,$f)}_sceneToCubeUV(e,t,r,s,i){const n=Wf;n.near=t,n.far=r;const a=[1,1,1,1,-1,1],o=[1,-1,1,-1,1,-1],u=this._renderer,l=u.autoClear;u.getClearColor(Hf),u.autoClear=!1,null===this._backgroundBox&&(this._backgroundBox=new oe(new ae,new fe({name:"PMREM.Background",side:F,depthWrite:!1,depthTest:!1})));const d=this._backgroundBox,c=d.material;let h=!1;const p=e.background;p?p.isColor&&(c.color.copy(p),e.background=null,h=!0):(c.color.copy(Hf),h=!0),u.setRenderTarget(s),u.clear(),h&&u.render(d,n);for(let t=0;t<6;t++){const r=t%3;0===r?(n.up.set(0,a[t],0),n.position.set(i.x,i.y,i.z),n.lookAt(i.x+o[t],i.y,i.z)):1===r?(n.up.set(0,0,a[t]),n.position.set(i.x,i.y,i.z),n.lookAt(i.x,i.y+o[t],i.z)):(n.up.set(0,a[t],0),n.position.set(i.x,i.y,i.z),n.lookAt(i.x,i.y,i.z+o[t]));const l=this._cubeSize;this._setViewport(s,r*l,t>2?l:0,l,l),u.render(e,n)}u.autoClear=l,e.background=p}_textureToCubeUV(e,t){const r=this._renderer,s=e.mapping===D||e.mapping===O;s?null===this._cubemapMaterial&&(this._cubemapMaterial=sy(e)):null===this._equirectMaterial&&(this._equirectMaterial=iy(e));const i=s?this._cubemapMaterial:this._equirectMaterial;i.fragmentNode.value=e;const n=this._lodMeshes[0];n.material=i;const a=this._cubeSize;this._setViewport(t,0,0,3*a,2*a),r.setRenderTarget(t),r.render(n,$f)}_applyPMREM(e){const t=this._renderer,r=t.autoClear;t.autoClear=!1;const s=this._lodMeshes.length;for(let t=1;tc-4?r-c+4:0),g=4*(this._cubeSize-h);e.texture.frame=(e.texture.frame||0)+1,o.envMap.value=e.texture,o.roughness.value=d,o.mipInt.value=c-t,this._setViewport(i,p,g,3*h,2*h),s.setRenderTarget(i),s.render(a,$f),i.texture.frame=(i.texture.frame||0)+1,o.envMap.value=i.texture,o.roughness.value=0,o.mipInt.value=c-r,this._setViewport(e,p,g,3*h,2*h),s.setRenderTarget(e),s.render(a,$f)}_blur(e,t,r,s,i){const n=this._pingPongRenderTarget;this._halfBlur(e,n,t,r,s,"latitudinal",i),this._halfBlur(n,e,r,r,s,"longitudinal",i)}_halfBlur(e,t,r,s,i,n,a){const u=this._renderer,l=this._blurMaterial;"latitudinal"!==n&&"longitudinal"!==n&&o("blur direction must be either latitudinal or longitudinal!");const c=this._lodMeshes[s];c.material=l;const h=Qf.get(l),p=this._sizeLods[r]-1,g=isFinite(i)?Math.PI/(2*p):2*Math.PI/39,m=i/g,f=isFinite(i)?1+Math.floor(3*m):zf;f>zf&&d(`sigmaRadians, ${i}, is too large and will clip, as it requested ${f} samples when the maximum is set to 20`);const y=[];let b=0;for(let e=0;ex-4?s-x+4:0),v=4*(this._cubeSize-T);this._setViewport(t,_,v,3*T,2*T),u.setRenderTarget(t),u.render(c,$f)}_setViewport(e,t,r,s,i){this._renderer.isWebGLRenderer?(e.viewport.set(t,e.height-i-r,s,i),e.scissor.set(t,e.height-i-r,s,i)):(e.viewport.set(t,r,s,i),e.scissor.set(t,r,s,i))}}function ty(e,t,r){const s=new ne(e,t,{magFilter:le,minFilter:le,generateMipmaps:!1,type:Te,format:Re,colorSpace:Ee,depthBuffer:r});return s.texture.mapping=we,s.texture.name="PMREM.cubeUv",s.texture.isPMREMTexture=!0,s.scissorTest=!0,s}function ry(e){const t=new Dg;return t.depthTest=!1,t.depthWrite=!1,t.blending=re,t.name=`PMREM_${e}`,t}function sy(e){const t=ry("cubemap");return t.fragmentNode=Qc(e,Jf),t}function iy(e){const t=ry("equirect");return t.fragmentNode=rd(e,Jg(Jf),0),t}const ny=new WeakMap;function ay(e,t,r){const s=function(e){let t=ny.get(e);void 0===t&&(t=new WeakMap,ny.set(e,t));return t}(t);let i=s.get(e);if((void 0!==i?i.pmremVersion:-1)!==e.pmremVersion){const t=e.image;if(e.isCubeTexture){if(!function(e){if(null==e)return!1;let t=0;const r=6;for(let s=0;s0}(t))return null;i=r.fromEquirectangular(e,i)}if(i.pmremVersion=e.pmremVersion,!1===s.has(e)){const t=()=>{e.removeEventListener("dispose",t);const r=s.get(e);void 0!==r&&(r.dispose(),s.delete(e))};e.addEventListener("dispose",t)}s.set(e,i)}return i.texture}class oy extends fi{static get type(){return"PMREMNode"}constructor(e,t=null,r=null){super("vec3"),this._value=e,this._pmrem=null,this.uvNode=t,this.levelNode=r,this._generator=null;const s=new N;s.isRenderTargetTexture=!0,this._texture=rd(s),this._width=Aa(0),this._height=Aa(0),this._maxMip=Aa(0),this.updateBeforeType=ii.RENDER}set value(e){this._value=e,this._pmrem=null}get value(){return this._value}updateFromTexture(e){const t=function(e){const t=Math.log2(e)-2,r=1/e;return{texelWidth:1/(3*Math.max(Math.pow(2,t),112)),texelHeight:r,maxMip:t}}(e.image.height);this._texture.value=e,this._width.value=t.texelWidth,this._height.value=t.texelHeight,this._maxMip.value=t.maxMip}updateBefore(e){let t=this._pmrem;const r=t?t.pmremVersion:-1,s=this._value;r!==s.pmremVersion&&(t=!0===s.isPMREMTexture||s.mapping===we?s:ay(s,e.renderer,this._generator),null!==t&&(this._pmrem=t,this.updateFromTexture(t)))}setup(e){null===this._generator&&(this._generator=new ey(e.renderer)),this.updateBefore(e);let t=this.uvNode;null===t&&e.context.getUV&&(t=e.context.getUV(this,e)),t=this._pmrem.isRenderTargetTexture?zc.mul(An(t.x,t.y.negate(),t.z)):zc.mul(t);let r=this.levelNode;return null===r&&e.context.getTextureLevel&&(r=e.context.getTextureLevel(this)),Ff(this._texture,t,r,this._width,this._height,this._maxMip)}dispose(){super.dispose(),null!==this._generator&&this._generator.dispose()}}const uy=un(oy).setParameterLength(1,3),ly=new WeakMap;class dy extends ng{static get type(){return"EnvironmentNode"}constructor(e=null){super(),this.envNode=e}setup(e){const{material:t}=e;let r=this.envNode;if(r.isTextureNode||r.isMaterialReferenceNode){const s=r.isTextureNode?r.value:t[r.property],i=this._getPMREMNodeCache(e.renderer);let n=i.get(s);void 0===n&&(n=uy(s),i.set(s,n)),r=n}const s=!0===t.useAnisotropy||t.anisotropy>0?Ah:Bc,i=r.context(cy(qn,s)).mul(Gc),n=r.context(hy(Lc)).mul(Math.PI).mul(Gc),a=wl(i),o=wl(n);e.context.radiance.addAssign(a),e.context.iblIrradiance.addAssign(o);const u=e.context.lightingModel.clearcoatRadiance;if(u){const e=r.context(cy(Qn,Fc)).mul(Gc),t=wl(e);u.addAssign(t)}}_getPMREMNodeCache(e){let t=ly.get(e);return void 0===t&&(t=new WeakMap,ly.set(e,t)),t}}const cy=(e,t)=>{let r=null;return{getUV:()=>(null===r&&(r=_c.negate().reflect(t),r=pu(e).mix(r,t).normalize(),r=r.transformDirection($d)),r),getTextureLevel:()=>e}},hy=e=>({getUV:()=>e,getTextureLevel:()=>Tn(1)}),py=new Ce;class gy extends Dg{static get type(){return"MeshStandardNodeMaterial"}constructor(e){super(),this.isMeshStandardNodeMaterial=!0,this.lights=!0,this.emissiveNode=null,this.metalnessNode=null,this.roughnessNode=null,this.setDefaultValues(py),this.setValues(e)}setupEnvironment(e){let t=super.setupEnvironment(e);return null===t&&e.environmentNode&&(t=e.environmentNode),t?new dy(t):null}setupLightingModel(){return new ff}setupSpecular(){const e=xu(An(.04),Wn.rgb,Xn);aa.assign(An(.04)),oa.assign(e),ua.assign(1)}setupVariants(){const e=this.metalnessNode?Tn(this.metalnessNode):Kh;Xn.assign(e);let t=this.roughnessNode?Tn(this.roughnessNode):Qh;t=Nm({roughness:t}),qn.assign(t),this.setupSpecular(),Hn.assign(Wn.rgb.mul(e.oneMinus()))}}const my=new Me;class fy extends gy{static get type(){return"MeshPhysicalNodeMaterial"}constructor(e){super(),this.isMeshPhysicalNodeMaterial=!0,this.clearcoatNode=null,this.clearcoatRoughnessNode=null,this.clearcoatNormalNode=null,this.sheenNode=null,this.sheenRoughnessNode=null,this.iridescenceNode=null,this.iridescenceIORNode=null,this.iridescenceThicknessNode=null,this.specularIntensityNode=null,this.specularColorNode=null,this.iorNode=null,this.transmissionNode=null,this.thicknessNode=null,this.attenuationDistanceNode=null,this.attenuationColorNode=null,this.dispersionNode=null,this.anisotropyNode=null,this.setDefaultValues(my),this.setValues(e)}get useClearcoat(){return this.clearcoat>0||null!==this.clearcoatNode}get useIridescence(){return this.iridescence>0||null!==this.iridescenceNode}get useSheen(){return this.sheen>0||null!==this.sheenNode}get useAnisotropy(){return this.anisotropy>0||null!==this.anisotropyNode}get useTransmission(){return this.transmission>0||null!==this.transmissionNode}get useDispersion(){return this.dispersion>0||null!==this.dispersionNode}setupSpecular(){const e=this.iorNode?Tn(this.iorNode):cp;ga.assign(e),aa.assign(ru(cu(ga.sub(1).div(ga.add(1))).mul(qh),An(1)).mul(jh)),oa.assign(xu(aa,Wn.rgb,Xn)),ua.assign(xu(jh,1,Xn))}setupLightingModel(){return new ff(this.useClearcoat,this.useSheen,this.useIridescence,this.useAnisotropy,this.useTransmission,this.useDispersion)}setupVariants(e){if(super.setupVariants(e),this.useClearcoat){const e=this.clearcoatNode?Tn(this.clearcoatNode):Jh,t=this.clearcoatRoughnessNode?Tn(this.clearcoatRoughnessNode):ep;Yn.assign(e),Qn.assign(Nm({roughness:t}))}if(this.useSheen){const e=this.sheenNode?An(this.sheenNode):sp,t=this.sheenRoughnessNode?Tn(this.sheenRoughnessNode):ip;Kn.assign(e),Zn.assign(t)}if(this.useIridescence){const e=this.iridescenceNode?Tn(this.iridescenceNode):ap,t=this.iridescenceIORNode?Tn(this.iridescenceIORNode):op,r=this.iridescenceThicknessNode?Tn(this.iridescenceThicknessNode):up;Jn.assign(e),ea.assign(t),ta.assign(r)}if(this.useAnisotropy){const e=(this.anisotropyNode?Sn(this.anisotropyNode):np).toVar();sa.assign(e.length()),yn(sa.equal(0),()=>{e.assign(Sn(1,0))}).Else(()=>{e.divAssign(Sn(sa)),sa.assign(sa.saturate())}),ra.assign(sa.pow2().mix(qn.pow2(),1)),ia.assign(Rh[0].mul(e.x).add(Rh[1].mul(e.y))),na.assign(Rh[1].mul(e.x).sub(Rh[0].mul(e.y)))}if(this.useTransmission){const e=this.transmissionNode?Tn(this.transmissionNode):lp,t=this.thicknessNode?Tn(this.thicknessNode):dp,r=this.attenuationDistanceNode?Tn(this.attenuationDistanceNode):hp,s=this.attenuationColorNode?An(this.attenuationColorNode):pp;if(ma.assign(e),fa.assign(t),ya.assign(r),ba.assign(s),this.useDispersion){const e=this.dispersionNode?Tn(this.dispersionNode):Tp;xa.assign(e)}}}setupClearcoatNormal(){return this.clearcoatNormalNode?An(this.clearcoatNormalNode):tp}setup(e){e.context.setupClearcoatNormal=()=>ju(this.setupClearcoatNormal(e),"NORMAL","vec3"),super.setup(e)}}class yy extends ff{constructor(e=!1,t=!1,r=!1,s=!1,i=!1,n=!1,a=!1){super(e,t,r,s,i,n),this.useSSS=a}direct({lightDirection:e,lightColor:t,reflectedLight:r},s){if(!0===this.useSSS){const i=s.material,{thicknessColorNode:n,thicknessDistortionNode:a,thicknessAmbientNode:o,thicknessAttenuationNode:u,thicknessPowerNode:l,thicknessScaleNode:d}=i,c=e.add(Bc.mul(a)).normalize(),h=Tn(_c.dot(c.negate()).saturate().pow(l).mul(d)),p=An(h.add(o).mul(n));r.directDiffuse.addAssign(p.mul(u.mul(t)))}super.direct({lightDirection:e,lightColor:t,reflectedLight:r},s)}}class by extends fy{static get type(){return"MeshSSSNodeMaterial"}constructor(e){super(e),this.thicknessColorNode=null,this.thicknessDistortionNode=Tn(.1),this.thicknessAmbientNode=Tn(0),this.thicknessAttenuationNode=Tn(.1),this.thicknessPowerNode=Tn(2),this.thicknessScaleNode=Tn(10)}get useSSS(){return null!==this.thicknessColorNode}setupLightingModel(){return new yy(this.useClearcoat,this.useSheen,this.useIridescence,this.useAnisotropy,this.useTransmission,this.useDispersion,this.useSSS)}}const xy=gn(({normal:e,lightDirection:t,builder:r})=>{const s=e.dot(t),i=Sn(s.mul(.5).add(.5),0);if(r.material.gradientMap){const e=rh("gradientMap","texture").context({getUV:()=>i});return An(e.r)}{const e=i.fwidth().mul(.5);return xu(An(.7),An(1),Nu(Tn(.7).sub(e.x),Tn(.7).add(e.x),i.x))}});class Ty extends lm{direct({lightDirection:e,lightColor:t,reflectedLight:r},s){const i=xy({normal:Rc,lightDirection:e,builder:s}).mul(t);r.directDiffuse.addAssign(i.mul(gm({diffuseColor:Wn.rgb})))}indirect(e){const{ambientOcclusion:t,irradiance:r,reflectedLight:s}=e.context;s.indirectDiffuse.addAssign(r.mul(gm({diffuseColor:Wn}))),s.indirectDiffuse.mulAssign(t)}}const _y=new Be;class vy extends Dg{static get type(){return"MeshToonNodeMaterial"}constructor(e){super(),this.isMeshToonNodeMaterial=!0,this.lights=!0,this.setDefaultValues(_y),this.setValues(e)}setupLightingModel(){return new Ty}}const Ny=gn(()=>{const e=An(_c.z,0,_c.x.negate()).normalize(),t=_c.cross(e);return Sn(e.dot(Bc),t.dot(Bc)).mul(.495).add(.5)}).once(["NORMAL","VERTEX"])().toVar("matcapUV"),Sy=new Le;class Ey extends Dg{static get type(){return"MeshMatcapNodeMaterial"}constructor(e){super(),this.isMeshMatcapNodeMaterial=!0,this.setDefaultValues(Sy),this.setValues(e)}setupVariants(e){const t=Ny;let r;r=e.material.matcap?rh("matcap","texture").context({getUV:()=>t}):An(xu(.2,.8,t.y)),Wn.rgb.mulAssign(r.rgb)}}class Ry extends fi{static get type(){return"RotateNode"}constructor(e,t){super(),this.positionNode=e,this.rotationNode=t}generateNodeType(e){return this.positionNode.getNodeType(e)}setup(e){const{rotationNode:t,positionNode:r}=this;if("vec2"===this.getNodeType(e)){const e=t.cos(),s=t.sin();return Dn(e,s,s.negate(),e).mul(r)}{const e=t,s=In(Ln(1,0,0,0),Ln(0,Lo(e.x),Mo(e.x).negate(),0),Ln(0,Mo(e.x),Lo(e.x),0),Ln(0,0,0,1)),i=In(Ln(Lo(e.y),0,Mo(e.y),0),Ln(0,1,0,0),Ln(Mo(e.y).negate(),0,Lo(e.y),0),Ln(0,0,0,1)),n=In(Ln(Lo(e.z),Mo(e.z).negate(),0,0),Ln(Mo(e.z),Lo(e.z),0,0),Ln(0,0,1,0),Ln(0,0,0,1));return s.mul(i).mul(n).mul(Ln(r,1)).xyz}}}const wy=un(Ry).setParameterLength(2),Ay=new Fe;class Cy extends Dg{static get type(){return"SpriteNodeMaterial"}constructor(e){super(),this.isSpriteNodeMaterial=!0,this._useSizeAttenuation=!0,this.positionNode=null,this.rotationNode=null,this.scaleNode=null,this.transparent=!0,this.setDefaultValues(Ay),this.setValues(e)}setupPositionView(e){const{object:t,camera:r}=e,{positionNode:s,rotationNode:i,scaleNode:n,sizeAttenuation:a}=this,o=dc.mul(An(s||0));let u=Sn(sc[0].xyz.length(),sc[1].xyz.length());null!==n&&(u=u.mul(Sn(n))),r.isPerspectiveCamera&&!1===a&&(u=u.mul(o.z.negate()));let l=mc.xy;if(t.center&&!0===t.center.isVector2){const e=((e,t,r)=>new sl(e,t,r))("center","vec2",t);l=l.sub(e.sub(.5))}l=l.mul(u);const d=Tn(i||rp),c=wy(l,d);return Ln(o.xy.add(c),o.zw)}get sizeAttenuation(){return this._useSizeAttenuation}set sizeAttenuation(e){this._useSizeAttenuation!==e&&(this._useSizeAttenuation=e,this.needsUpdate=!0)}}const My=new Pe,By=new t;class Ly extends Cy{static get type(){return"PointsNodeMaterial"}constructor(e){super(),this.sizeNode=null,this.isPointsNodeMaterial=!0,this.setDefaultValues(My),this.setValues(e)}setupPositionView(){const{positionNode:e}=this;return dc.mul(An(e||fc)).xyz}setupVertexSprite(e){const{material:t,camera:r}=e,{rotationNode:s,scaleNode:i,sizeNode:n,sizeAttenuation:a}=this;let o=super.setupVertex(e);if(!0!==t.isNodeMaterial)return o;let u=null!==n?Sn(n):xp;u=u.mul(gd),r.isPerspectiveCamera&&!0===a&&(u=u.mul(Fy.div(Tc.z.negate()))),i&&i.isNode&&(u=u.mul(Sn(i)));let l=mc.xy;if(s&&s.isNode){const e=Tn(s);l=wy(l,e)}return l=l.mul(u),l=l.div(xd.div(2)),l=l.mul(o.w),o=o.add(Ln(l,0,0)),o}setupVertex(e){return e.object.isPoints?super.setupVertex(e):this.setupVertexSprite(e)}get alphaToCoverage(){return this._useAlphaToCoverage}set alphaToCoverage(e){this._useAlphaToCoverage!==e&&(this._useAlphaToCoverage=e,this.needsUpdate=!0)}}const Fy=Aa(1).onFrameUpdate(function({renderer:e}){const t=e.getSize(By);this.value=.5*t.y});class Py extends lm{constructor(){super(),this.shadowNode=Tn(1).toVar("shadowMask")}direct({lightNode:e}){null!==e.shadowNode&&this.shadowNode.mulAssign(e.shadowNode)}finish({context:e}){Wn.a.mulAssign(this.shadowNode.oneMinus()),e.outgoingLight.rgb.assign(Wn.rgb)}}const Uy=new Ue;class Dy extends Dg{static get type(){return"ShadowNodeMaterial"}constructor(e){super(),this.isShadowNodeMaterial=!0,this.lights=!0,this.transparent=!0,this.setDefaultValues(Uy),this.setValues(e)}setupLightingModel(){return new Py}}const Oy=zn("vec3"),Iy=zn("vec3"),Vy=zn("vec3");class ky extends lm{constructor(){super()}start(e){const{material:t}=e,r=zn("vec3"),s=zn("vec3"),i=zn("bool");yn(Hd.sub(bc).length().greaterThan(oc.mul(2)),()=>{r.assign(Hd),s.assign(bc),i.assign(!0)}).Else(()=>{r.assign(bc),s.assign(Hd),i.assign(!1)});const n=s.sub(r),a=Aa("int").onRenderUpdate(({material:e})=>e.steps),o=n.length().div(a).toVar(),u=n.normalize().toVar(),l=Tn(0).toVar(),d=An(1).toVar();t.offsetNode&&l.addAssign(t.offsetNode.mul(o)),Zp(a,()=>{const s=r.add(u.mul(l)),n=zd.mul(Ln(s,1)).xyz;let a,c;null!==t.depthNode&&(Iy.assign(Ag(vg(n.z,Id,Vd))),e.context.sceneDepthNode=Ag(t.depthNode).toVar()),e.context.positionWorld=s,e.context.shadowPositionWorld=s,e.context.positionView=n,Oy.assign(0),t.scatteringNode&&(a=t.scatteringNode({positionRay:s})),t.scatteringEmissiveNode&&(c=t.scatteringEmissiveNode({positionRay:s})),super.start(e),a&&Oy.mulAssign(a);const h=Oy.mul(.01).toVar();c&&h.addAssign(c.mul(.01));const p=Oy.mul(.01).negate().mul(o).exp();yn(i,()=>{Vy.addAssign(h.mul(d).mul(o))}).Else(()=>{Vy.assign(Vy.mul(p).add(h.mul(o)))}),d.mulAssign(p),l.addAssign(o)})}scatteringLight(e,t){const r=t.context.sceneDepthNode;r?yn(r.greaterThanEqual(Iy),()=>{Oy.addAssign(e)}):Oy.addAssign(e)}direct({lightNode:e,lightColor:t},r){if(void 0===e.light.distance)return;const s=t.xyz.toVar();null!==e.shadowNode&&s.mulAssign(e.shadowNode),this.scatteringLight(s,r)}directRectArea({lightColor:e,lightPosition:t,halfWidth:r,halfHeight:s},i){const n=t.add(r).sub(s),a=t.sub(r).sub(s),o=t.sub(r).add(s),u=t.add(r).add(s),l=i.context.positionView,d=e.xyz.mul($m({P:l,p0:n,p1:a,p2:o,p3:u})).pow(1.5);this.scatteringLight(d,i)}finish(e){e.context.outgoingLight.assign(Vy)}}class Gy extends Dg{static get type(){return"VolumeNodeMaterial"}constructor(e){super(),this.isVolumeNodeMaterial=!0,this.steps=25,this.offsetNode=null,this.scatteringNode=null,this.lights=!0,this.transparent=!0,this.side=F,this.depthTest=!1,this.depthWrite=!1,this.setValues(e)}setupLightingModel(){return new ky}}class zy{constructor(e,t,r){this.renderer=e,this.nodes=t,this.info=r,this._context="undefined"!=typeof self?self:null,this._animationLoop=null,this._requestId=null}start(){const e=(t,r)=>{this._requestId=this._context.requestAnimationFrame(e),!0===this.info.autoReset&&this.info.reset(),this.nodes.nodeFrame.update(),this.info.frame=this.nodes.nodeFrame.frameId,this.renderer._inspector.begin(),null!==this._animationLoop&&this._animationLoop(t,r),this.renderer._inspector.finish()};e()}stop(){null!==this._context&&this._context.cancelAnimationFrame(this._requestId),this._requestId=null}getAnimationLoop(){return this._animationLoop}setAnimationLoop(e){this._animationLoop=e}getContext(){return this._context}setContext(e){this._context=e}dispose(){this.stop()}}class $y{constructor(){this.weakMaps={}}_getWeakMap(e){const t=e.length;let r=this.weakMaps[t];return void 0===r&&(r=new WeakMap,this.weakMaps[t]=r),r}get(e){let t=this._getWeakMap(e);for(let r=0;r{this.dispose()},this.onGeometryDispose=()=>{this.attributes=null,this.attributesId=null},this.material.addEventListener("dispose",this.onMaterialDispose),this.geometry.addEventListener("dispose",this.onGeometryDispose),null!==this._sourceMaterial&&this._sourceMaterial.addEventListener("dispose",this.onMaterialDispose)}updateClipping(e){this.clippingContext=e}get clippingNeedsUpdate(){return null!==this.clippingContext&&this.clippingContext.cacheKey!==this.clippingContextCacheKey&&(this.clippingContextCacheKey=this.clippingContext.cacheKey,!0)}get hardwareClippingPlanes(){return!0===this.getNodeBuilderState().hardwareClipping?this.clippingContext.unionClippingCount:0}getNodeBuilderState(){return this._nodeBuilderState||(this._nodeBuilderState=this._nodes.getForRender(this))}getMonitor(){return this._monitor||(this._monitor=this.getNodeBuilderState().observer)}getBindings(){return this._bindings||(this._bindings=this.getNodeBuilderState().createBindings())}getBindingGroup(e){for(const t of this.getBindings())if(t.name===e)return t}getIndex(){return this._geometries.getIndex(this)}getIndirect(){return this._geometries.getIndirect(this)}getIndirectOffset(){return this._geometries.getIndirectOffset(this)}getChainArray(){return[this.object,this.material,this.context,this.lightsNode]}setGeometry(e){this.geometry=e,this.attributes=null,this.attributesId=null}getAttributes(){if(null!==this.attributes)return this.attributes;const e=this.getNodeBuilderState().nodeAttributes,t=this.geometry,r=[],s=new Set,i={};for(const n of e){let e;if(n.node&&n.node.attribute?e=n.node.attribute:(e=t.getAttribute(n.name),void 0!==e&&(e.isInterleavedBufferAttribute?i[n.name]=e.data.uuid:i[n.name]=e.id)),void 0===e)continue;r.push(e);const a=e.isInterleavedBufferAttribute?e.data:e;s.add(a)}return this.attributes=r,this.attributesId=i,this.vertexBuffers=Array.from(s.values()),r}getVertexBuffers(){return null===this.vertexBuffers&&this.getAttributes(),this.vertexBuffers}getDrawParameters(){const{object:e,material:t,geometry:r,group:s,drawRange:i}=this,n=this.drawParams||(this.drawParams={vertexCount:0,firstVertex:0,instanceCount:0,firstInstance:0}),a=this.getIndex(),o=null!==a;let u=1;if(!0===r.isInstancedBufferGeometry?u=r.instanceCount:void 0!==e.count&&(u=Math.max(0,e.count)),0===u)return null;if(n.instanceCount=u,!0===e.isBatchedMesh)return n;let l=1;!0!==t.wireframe||e.isPoints||e.isLineSegments||e.isLine||e.isLineLoop||(l=2);let d=i.start*l,c=(i.start+i.count)*l;null!==s&&(d=Math.max(d,s.start*l),c=Math.min(c,(s.start+s.count)*l));const h=r.attributes.position;let p=1/0;o?p=a.count:null!=h&&(p=h.count),d=Math.max(d,0),c=Math.min(c,p);const g=c-d;return g<0||g===1/0?null:(n.vertexCount=g,n.firstVertex=d,n)}getGeometryCacheKey(){const{geometry:e}=this;let t="";for(const r of Object.keys(e.attributes).sort()){const s=e.attributes[r];t+=r+",",s.data&&(t+=s.data.stride+","),s.offset&&(t+=s.offset+","),s.itemSize&&(t+=s.itemSize+","),s.normalized&&(t+="n,")}for(const r of Object.keys(e.morphAttributes).sort()){const s=e.morphAttributes[r];t+="morph-"+r+",";for(let e=0,r=s.length;e1)&&(s+=e.uuid+","),s+=this.context.id+",",s+=e.receiveShadow+",",Gs(s)}get needsGeometryUpdate(){if(this.geometry.id!==this.object.geometry.id)return!0;if(null!==this.attributes){const e=this.attributesId;for(const t in e){const r=this.geometry.getAttribute(t);if(void 0===r)return!0;const s=r.isInterleavedBufferAttribute?r.data.uuid:r.id;if(e[t]!==s)return!0}}return!1}get needsUpdate(){return this.initialNodesCacheKey!==this.getDynamicCacheKey()||this.clippingNeedsUpdate}getDynamicCacheKey(){let e=0;return!0!==this.material.isShadowPassMaterial&&(e=this._nodes.getCacheKey(this.scene,this.lightsNode)),this.camera.isArrayCamera&&(e=$s(e,this.camera.cameras.length)),this.object.receiveShadow&&(e=$s(e,1)),e=$s(e,this.renderer.contextNode.id,this.renderer.contextNode.version),e}getCacheKey(){return this.getMaterialCacheKey()+this.getDynamicCacheKey()}dispose(){this.material.removeEventListener("dispose",this.onMaterialDispose),this.geometry.removeEventListener("dispose",this.onGeometryDispose),null!==this._sourceMaterial&&this._sourceMaterial.removeEventListener("dispose",this.onMaterialDispose),this.onDispose()}}const qy=[];class Xy{constructor(e,t,r,s,i,n){this.renderer=e,this.nodes=t,this.geometries=r,this.pipelines=s,this.bindings=i,this.info=n,this.chainMaps={}}get(e,t,r,s,i,n,a,o){const u=this.getChainMap(o);qy[0]=e,qy[1]=t,qy[2]=n,qy[3]=i;let l=u.get(qy);return void 0===l?(l=this.createRenderObject(this.nodes,this.geometries,this.renderer,e,t,r,s,i,n,a,o),u.set(qy,l)):(l.camera=s,l.updateClipping(a),l.needsGeometryUpdate&&l.setGeometry(e.geometry),(l.version!==t.version||l.needsUpdate)&&(l.initialCacheKey!==l.getCacheKey()?(l.dispose(),l=this.get(e,t,r,s,i,n,a,o)):l.version=t.version)),qy[0]=null,qy[1]=null,qy[2]=null,qy[3]=null,l}getChainMap(e="default"){return this.chainMaps[e]||(this.chainMaps[e]=new $y)}dispose(){this.chainMaps={}}createRenderObject(e,t,r,s,i,n,a,o,u,l,d){const c=this.getChainMap(d),h=new jy(e,t,r,s,i,n,a,o,u,l);return h.onDispose=()=>{this.pipelines.delete(h),this.bindings.deleteForRender(h),this.nodes.delete(h),c.delete(h.getChainArray())},h}}class Yy{constructor(){this.data=new WeakMap}get(e){let t=this.data.get(e);return void 0===t&&(t={},this.data.set(e,t)),t}delete(e){let t=null;return this.data.has(e)&&(t=this.data.get(e),this.data.delete(e)),t}has(e){return this.data.has(e)}dispose(){this.data=new WeakMap}}const Qy=1,Ky=2,Zy=3,Jy=4,eb=16;class tb extends Yy{constructor(e,t){super(),this.backend=e,this.info=t}delete(e){const t=super.delete(e);return null!==t&&(this.backend.destroyAttribute(e),this.info.destroyAttribute(e)),t}update(e,t){const r=this.get(e);if(void 0===r.version)t===Qy?(this.backend.createAttribute(e),this.info.createAttribute(e)):t===Ky?(this.backend.createIndexAttribute(e),this.info.createIndexAttribute(e)):t===Zy?(this.backend.createStorageAttribute(e),this.info.createStorageAttribute(e)):t===Jy&&(this.backend.createIndirectStorageAttribute(e),this.info.createIndirectStorageAttribute(e)),r.version=this._getBufferAttribute(e).version;else{const t=this._getBufferAttribute(e);(r.version=65535?De:Oe)(t,1);return i.version=rb(e),i.__id=sb(e),i}class nb extends Yy{constructor(e,t){super(),this.attributes=e,this.info=t,this.wireframes=new WeakMap,this.attributeCall=new WeakMap,this._geometryDisposeListeners=new Map}has(e){const t=e.geometry;return super.has(t)&&!0===this.get(t).initialized}updateForRender(e){!1===this.has(e)&&this.initGeometry(e),this.updateAttributes(e)}initGeometry(e){const t=e.geometry;this.get(t).initialized=!0,this.info.memory.geometries++;const r=()=>{this.info.memory.geometries--;const s=t.index,i=e.getAttributes();null!==s&&this.attributes.delete(s);for(const e of i)this.attributes.delete(e);const n=this.wireframes.get(t);void 0!==n&&this.attributes.delete(n),t.removeEventListener("dispose",r),this._geometryDisposeListeners.delete(t)};t.addEventListener("dispose",r),this._geometryDisposeListeners.set(t,r)}updateAttributes(e){const t=e.getAttributes();for(const e of t)e.isStorageBufferAttribute||e.isStorageInstancedBufferAttribute?this.updateAttribute(e,Zy):this.updateAttribute(e,Qy);const r=this.getIndex(e);null!==r&&this.updateAttribute(r,Ky);const s=e.geometry.indirect;null!==s&&this.updateAttribute(s,Jy)}updateAttribute(e,t){const r=this.info.render.calls;e.isInterleavedBufferAttribute?void 0===this.attributeCall.get(e)?(this.attributes.update(e,t),this.attributeCall.set(e,r)):this.attributeCall.get(e.data)!==r&&(this.attributes.update(e,t),this.attributeCall.set(e.data,r),this.attributeCall.set(e,r)):this.attributeCall.get(e)!==r&&(this.attributes.update(e,t),this.attributeCall.set(e,r))}getIndirect(e){return e.geometry.indirect}getIndirectOffset(e){return e.geometry.indirectOffset}getIndex(e){const{geometry:t,material:r}=e;let s=t.index;if(!0===r.wireframe){const e=this.wireframes;let r=e.get(t);void 0===r?(r=ib(t),e.set(t,r)):r.version===rb(t)&&r.__id===sb(t)||(this.attributes.delete(r),r=ib(t),e.set(t,r)),s=r}return s}dispose(){for(const[e,t]of this._geometryDisposeListeners.entries())e.removeEventListener("dispose",t);this._geometryDisposeListeners.clear()}}class ab{constructor(){this.autoReset=!0,this.frame=0,this.calls=0,this.render={calls:0,frameCalls:0,drawCalls:0,triangles:0,points:0,lines:0,timestamp:0},this.compute={calls:0,frameCalls:0,timestamp:0},this.memory={attributes:0,attributesSize:0,geometries:0,indexAttributes:0,indexAttributesSize:0,indirectStorageAttributes:0,indirectStorageAttributesSize:0,programs:0,programsSize:0,readbackBuffers:0,readbackBuffersSize:0,renderTargets:0,storageAttributes:0,storageAttributesSize:0,textures:0,texturesSize:0,uniformBuffers:0,uniformBuffersSize:0,total:0},this.memoryMap=new Map}update(e,t,r){this.render.drawCalls++,e.isMesh||e.isSprite?this.render.triangles+=r*(t/3):e.isPoints?this.render.points+=r*t:e.isLineSegments?this.render.lines+=r*(t/2):e.isLine?this.render.lines+=r*(t-1):o("WebGPUInfo: Unknown object type.")}reset(){this.render.drawCalls=0,this.render.frameCalls=0,this.compute.frameCalls=0,this.render.triangles=0,this.render.points=0,this.render.lines=0}dispose(){this.reset(),this.calls=0,this.render.calls=0,this.compute.calls=0,this.render.timestamp=0,this.compute.timestamp=0;for(const e in this.memory)this.memory[e]=0;this.memoryMap.clear()}createTexture(e){const t=this._getTextureMemorySize(e);this.memoryMap.set(e,t),this.memory.textures++,this.memory.total+=t,this.memory.texturesSize+=t}destroyTexture(e){const t=this.memoryMap.get(e)||0;this.memoryMap.delete(e),this.memory.textures--,this.memory.total-=t,this.memory.texturesSize-=t}_createAttribute(e,t){const r=this._getAttributeMemorySize(e);this.memoryMap.set(e,{size:r,type:t}),this.memory[t]++,this.memory.total+=r,this.memory[t+"Size"]+=r}createAttribute(e){this._createAttribute(e,"attributes")}createIndexAttribute(e){this._createAttribute(e,"indexAttributes")}createStorageAttribute(e){this._createAttribute(e,"storageAttributes")}createIndirectStorageAttribute(e){this._createAttribute(e,"indirectStorageAttributes")}destroyAttribute(e){const t=this.memoryMap.get(e);t&&(this.memoryMap.delete(e),this.memory[t.type]--,this.memory.total-=t.size,this.memory[t.type+"Size"]-=t.size)}createReadbackBuffer(e){const t=e.maxByteLength;this.memoryMap.set(e,{size:t,type:"readbackBuffers"}),this.memory.readbackBuffers++,this.memory.total+=t,this.memory.readbackBuffersSize+=t}destroyReadbackBuffer(e){const{size:t}=this.memoryMap.get(e);this.memoryMap.delete(e),this.memory.readbackBuffers--,this.memory.total-=t,this.memory.readbackBuffersSize-=t}createUniformBuffer(e){const t=e.byteLength;this.memoryMap.set(e,{size:t,type:"uniformBuffers"}),this.memory.uniformBuffers++,this.memory.total+=t,this.memory.uniformBuffersSize+=t}destroyUniformBuffer(e){const t=this.memoryMap.get(e);t&&(this.memoryMap.delete(e),this.memory.uniformBuffers--,this.memory.total-=t.size,this.memory.uniformBuffersSize-=t.size)}createProgram(e){const t=e.code.length;this.memoryMap.set(e,t),this.memory.programs++,this.memory.total+=t,this.memory.programsSize+=t}destroyProgram(e){const t=this.memoryMap.get(e)||0;this.memoryMap.delete(e),this.memory.programs--,this.memory.total-=t,this.memory.programsSize-=t}_getTextureMemorySize(e){if(e.isCompressedTexture)return 1;let t=1;e.type===Ie||e.type===Ve?t=1:e.type===ke||e.type===Ge||e.type===Te?t=2:e.type!==E&&e.type!==S&&e.type!==Y||(t=4);let r=4;e.format===ze||e.format===$e||e.format===We||e.format===He||e.format===je?r=1:e.format===$||e.format===qe?r=2:e.format!==Xe&&e.format!==Ye||(r=3);let s=t*r;e.type===Qe||e.type===Ke?s=2:e.type!==Ze&&e.type!==Je&&e.type!==et||(s=4);const i=e.width||1,n=e.height||1,a=e.isCubeTexture?6:e.depth||1;let o=i*n*a*s;const u=e.mipmaps;if(u&&u.length>0){let e=0;for(let t=0;t>t))*(r.height||Math.max(1,n>>t))*a*s}}o+=e}else e.generateMipmaps&&(o*=1.333);return Math.round(o)}_getAttributeMemorySize(e){return e.isInterleavedBufferAttribute&&(e=e.data),e.array?e.array.byteLength:e.count&&e.itemSize?e.count*e.itemSize*4:0}}class ob{constructor(e){this.cacheKey=e,this.usedTimes=0}}class ub extends ob{constructor(e,t,r){super(e),this.vertexProgram=t,this.fragmentProgram=r}}class lb extends ob{constructor(e,t){super(e),this.computeProgram=t,this.isComputePipeline=!0}}let db=0;class cb{constructor(e,t,r,s=null,i=null){this.id=db++,this.code=e,this.stage=t,this.name=r,this.transforms=s,this.attributes=i,this.usedTimes=0}}class hb extends Yy{constructor(e,t,r){super(),this.backend=e,this.nodes=t,this.info=r,this.bindings=null,this.caches=new Map,this.programs={vertex:new Map,fragment:new Map,compute:new Map}}getForCompute(e,t){const{backend:r}=this,s=this.get(e);if(this._needsComputeUpdate(e)){const i=s.pipeline;i&&(i.usedTimes--,i.computeProgram.usedTimes--);const n=this.nodes.getForCompute(e);let a=this.programs.compute.get(n.computeShader);void 0===a&&(i&&0===i.computeProgram.usedTimes&&this._releaseProgram(i.computeProgram),a=new cb(n.computeShader,"compute",e.name,n.transforms,n.nodeAttributes),this.programs.compute.set(n.computeShader,a),r.createProgram(a),this.info.createProgram(a));const o=this._getComputeCacheKey(e,a);let u=this.caches.get(o);void 0===u&&(i&&0===i.usedTimes&&this._releasePipeline(i),u=this._getComputePipeline(e,a,o,t)),u.usedTimes++,a.usedTimes++,s.version=e.version,s.pipeline=u}return s.pipeline}getForRender(e,t=null){const{backend:r}=this,s=this.get(e);if(this._needsRenderUpdate(e)){const i=s.pipeline;i&&(i.usedTimes--,i.vertexProgram.usedTimes--,i.fragmentProgram.usedTimes--);const n=e.getNodeBuilderState(),a=e.material?e.material.name:"";let o=this.programs.vertex.get(n.vertexShader);void 0===o&&(i&&0===i.vertexProgram.usedTimes&&this._releaseProgram(i.vertexProgram),o=new cb(n.vertexShader,"vertex",a),this.programs.vertex.set(n.vertexShader,o),r.createProgram(o),this.info.createProgram(o));let u=this.programs.fragment.get(n.fragmentShader);void 0===u&&(i&&0===i.fragmentProgram.usedTimes&&this._releaseProgram(i.fragmentProgram),u=new cb(n.fragmentShader,"fragment",a),this.programs.fragment.set(n.fragmentShader,u),r.createProgram(u),this.info.createProgram(u));const l=this._getRenderCacheKey(e,o,u);let d=this.caches.get(l);void 0===d?(i&&0===i.usedTimes&&this._releasePipeline(i),d=this._getRenderPipeline(e,o,u,l,t)):e.pipeline=d,d.usedTimes++,o.usedTimes++,u.usedTimes++,s.pipeline=d}return s.pipeline}isReady(e){const t=this.get(e).pipeline;if(void 0===t)return!1;const r=this.backend.get(t);return void 0!==r.pipeline&&null!==r.pipeline}delete(e){const t=this.get(e).pipeline;return t&&(t.usedTimes--,0===t.usedTimes&&this._releasePipeline(t),t.isComputePipeline?(t.computeProgram.usedTimes--,0===t.computeProgram.usedTimes&&this._releaseProgram(t.computeProgram)):(t.fragmentProgram.usedTimes--,t.vertexProgram.usedTimes--,0===t.vertexProgram.usedTimes&&this._releaseProgram(t.vertexProgram),0===t.fragmentProgram.usedTimes&&this._releaseProgram(t.fragmentProgram))),super.delete(e)}dispose(){super.dispose(),this.caches=new Map,this.programs={vertex:new Map,fragment:new Map,compute:new Map}}updateForRender(e){this.getForRender(e)}_getComputePipeline(e,t,r,s){r=r||this._getComputeCacheKey(e,t);let i=this.caches.get(r);return void 0===i&&(i=new lb(r,t),this.caches.set(r,i),this.backend.createComputePipeline(i,s)),i}_getRenderPipeline(e,t,r,s,i){s=s||this._getRenderCacheKey(e,t,r);let n=this.caches.get(s);return void 0===n&&(n=new ub(s,t,r),this.caches.set(s,n),e.pipeline=n,this.backend.createRenderPipeline(e,i)),n}_getComputeCacheKey(e,t){return e.id+","+t.id}_getRenderCacheKey(e,t,r){return t.id+","+r.id+","+this.backend.getRenderCacheKey(e)}_releasePipeline(e){this.caches.delete(e.cacheKey)}_releaseProgram(e){const t=e.code,r=e.stage;this.programs[r].delete(t),this.info.destroyProgram(e)}_needsComputeUpdate(e){const t=this.get(e);return void 0===t.pipeline||t.version!==e.version}_needsRenderUpdate(e){return void 0===this.get(e).pipeline||this.backend.needsRenderUpdate(e)}}class pb extends Yy{constructor(e,t,r,s,i,n){super(),this.backend=e,this.textures=r,this.pipelines=i,this.attributes=s,this.nodes=t,this.info=n,this.pipelines.bindings=this}getForRender(e){const t=e.getBindings(),r=this.get(e);return!0!==r.initialized&&(this._createBindings(t),r.initialized=!0),t}getForCompute(e){const t=this.nodes.getForCompute(e).bindings,r=this.get(e);return!0===r.initialized&&r.bindings===t||(void 0!==r.bindings&&this._destroyBindings(r.bindings),this._createBindings(t),r.initialized=!0,r.bindings=t),t}updateForCompute(e){this._updateBindings(this.getForCompute(e))}updateForRender(e){this._updateBindings(this.getForRender(e))}deleteForCompute(e){const t=this.get(e).bindings||this.nodes.getForCompute(e).bindings;this._destroyBindings(t),this.delete(e)}deleteForRender(e){const t=e.getBindings();this._destroyBindings(t),this.delete(e)}_createBindings(e){for(const t of e){const r=this.get(t);if(void 0===r.bindGroup){for(const e of t.bindings)if(e.isUniformBuffer)this.backend.createUniformBuffer(e),this.info.createUniformBuffer(e);else if(e.isSampledTexture)this.textures.updateTexture(e.texture);else if(e.isSampler)this.textures.updateSampler(e);else if(e.isStorageBuffer){const t=e.attribute,r=t.isIndirectStorageBufferAttribute?Jy:Zy;this.attributes.update(t,r)}this.backend.createBindings(t,e,0),r.bindGroup=t,r.usedTimes=1}else r.usedTimes++}}_destroyBindings(e){for(const t of e){const e=this.get(t);if(e.usedTimes--,0===e.usedTimes){for(const e of t.bindings)e.isUniformBuffer?(this.backend.destroyUniformBuffer(e),this.info.destroyUniformBuffer(e),e.release()):e.isSampler&&(!0!==e.isSampledTexture&&this.backend.destroySampler(e),e.release());this.backend.deleteBindGroupData(t),this.delete(t)}}}_updateBindings(e){for(const t of e)this._update(t,e)}_update(e,t){const{backend:r}=this;let s=!1,i=!0,n=0,a=0;for(const t of e.bindings){if(!1!==this.nodes.updateGroup(t)){if(t.isStorageBuffer){const e=t.attribute,i=e.isIndirectStorageBufferAttribute?Jy:Zy,n=r.get(t);this.attributes.update(e,i),n.attribute!==e&&(n.attribute=e,s=!0)}if(t.isUniformBuffer){t.update()&&r.updateBinding(t)}else if(t.isSampledTexture){const o=t.update(),u=t.texture,l=this.textures.get(u);o&&(this.textures.updateTexture(u),t.generation!==l.generation&&(t.generation=l.generation,s=!0),l.bindGroups.add(e));if(void 0!==r.get(u).externalTexture||l.isDefaultTexture?i=!1:(n=10*n+u.id,a+=u.version),!0===u.isStorageTexture&&!0===u.mipmapsAutoUpdate){const e=this.get(u);!0===t.store?e.needsMipmap=!0:this.textures.needsMipmaps(u)&&!0===e.needsMipmap&&(this.backend.generateMipmaps(u),e.needsMipmap=!1)}}else if(t.isSampler){if(t.update()){const e=this.textures.updateSampler(t);t.samplerKey!==e&&(t.samplerKey=e,s=!0)}}t.isBuffer&&t.updateRanges.length>0&&t.clearUpdateRanges()}}!0===s&&this.backend.updateBindings(e,t,i?n:0,a)}}const gb=Object.freeze([]);function mb(e,t){return e.groupOrder!==t.groupOrder?e.groupOrder-t.groupOrder:e.renderOrder!==t.renderOrder?e.renderOrder-t.renderOrder:e.z!==t.z?e.z-t.z:e.id-t.id}function fb(e,t){return e.groupOrder!==t.groupOrder?e.groupOrder-t.groupOrder:e.renderOrder!==t.renderOrder?e.renderOrder-t.renderOrder:e.z!==t.z?t.z-e.z:e.id-t.id}function yb(e){return(e.transmission>0||e.transmissionNode&&e.transmissionNode.isNode)&&e.side===P&&!1===e.forceSinglePass}class bb{constructor(e,t,r){this.renderItems=[],this.renderItemsIndex=0,this.opaque=[],this.transparentDoublePass=[],this.transparent=[],this.bundles=[],this.lighting=e,this.lightsNode=e.getNode(t),this.lightsArray=[],this.scene=t,this.camera=r,this.occlusionQueryCount=0,this._lastOcclusionObject=null}begin(){return this.renderItemsIndex=0,this.opaque.length=0,this.transparentDoublePass.length=0,this.transparent.length=0,this.bundles.length=0,this.lightsArray.length=0,this.occlusionQueryCount=0,this}getNextRenderItem(e,t,r,s,i,n,a){let o=this.renderItems[this.renderItemsIndex];return void 0===o?(o={id:e.id,object:e,geometry:t,material:r,groupOrder:s,renderOrder:e.renderOrder,z:i,group:n,clippingContext:a},this.renderItems[this.renderItemsIndex]=o):(o.id=e.id,o.object=e,o.geometry=t,o.material=r,o.groupOrder=s,o.renderOrder=e.renderOrder,o.z=i,o.group=n,o.clippingContext=a),this.renderItemsIndex++,o}push(e,t,r,s,i,n,a){const o=this.getNextRenderItem(e,t,r,s,i,n,a);!0===e.occlusionTest&&this._lastOcclusionObject!==e&&(this.occlusionQueryCount++,this._lastOcclusionObject=e),!0===r.transparent||r.transmission>0||r.transmissionNode&&r.transmissionNode.isNode||r.backdropNode&&r.backdropNode.isNode?(yb(r)&&this.transparentDoublePass.push(o),this.transparent.push(o)):this.opaque.push(o)}unshift(e,t,r,s,i,n,a){const o=this.getNextRenderItem(e,t,r,s,i,n,a);!0===r.transparent||r.transmission>0||r.transmissionNode&&r.transmissionNode.isNode||r.backdropNode&&r.backdropNode.isNode?(yb(r)&&this.transparentDoublePass.unshift(o),this.transparent.unshift(o)):this.opaque.unshift(o)}pushBundle(e){this.bundles.push(e)}pushLight(e){this.lightsArray.push(e)}sort(e,t,r){this.opaque.length>1&&this.opaque.sort(e||mb),this.transparentDoublePass.length>1&&this.transparentDoublePass.sort(t||fb),this.transparent.length>1&&this.transparent.sort(t||fb),r&&(this.opaque.reverse(),this.transparentDoublePass.reverse(),this.transparent.reverse())}finish(){this.lightsNode.setLights(this.lighting.enabled?this.lightsArray:gb);for(let e=this.renderItemsIndex,t=this.renderItems.length;e>t,u=a.height>>t;let l=e.depthTexture||i[t];const d=!0===e.depthBuffer||!0===e.stencilBuffer;let c=!1;const h=void 0!==l&&void 0!==l.image&&l.image.depth>1,p=a.depth>1&&(e.useArrayDepthTexture||e.multiview||h);void 0===l&&d&&(l=new Z,l.format=e.stencilBuffer?je:He,l.type=e.stencilBuffer?Ze:S,l.image.width=o,l.image.height=u,l.image.depth=a.depth,l.renderTarget=e,i[t]=l),l&&(l.isArrayTexture=p),r.width===a.width&&a.height===r.height||(c=!0,l&&(l.needsUpdate=!0,l.image.width=o,l.image.height=u,l.image.depth=p?a.depth:1)),r.width=a.width,r.height=a.height,r.textures=n,r.depthTexture=l||null,r.depth=e.depthBuffer,r.stencil=e.stencilBuffer,r.renderTarget=e,r.sampleCount!==s&&(c=!0,l&&(l.needsUpdate=!0),r.sampleCount=s);const g={sampleCount:s};if(!0!==e.isXRRenderTarget){for(let e=0;e{this._destroyRenderTarget(e)},e.addEventListener("dispose",r.onDispose))}updateTexture(e,t={}){const r=this.get(e);if(!0===r.initialized&&r.version===e.version)return;const s=e.isRenderTargetTexture||e.isDepthTexture||e.isFramebufferTexture,i=this.backend;if(s&&!0===r.initialized&&i.destroyTexture(e),e.isFramebufferTexture){const t=this.renderer.getRenderTarget();e.type=t?t.texture.type:Ve}if(e.isHTMLTexture&&e.image){const t=this.renderer.domElement;if("requestPaint"in t){if(t.hasAttribute("layoutsubtree")||t.setAttribute("layoutsubtree","true"),e.image.parentNode!==t&&t.appendChild(e.image),0===this._htmlTextures.size){const e=this._htmlTextures;t.onpaint=t=>{const r=t&&t.changedElements;for(const t of e)r&&!r.includes(t.image)||(t.needsUpdate=!0)}}this._htmlTextures.add(e)}}const{width:n,height:a,depth:o}=this.getSize(e);if(t.width=n,t.height=a,t.depth=o,t.needsMipmaps=this.needsMipmaps(e),t.levels=t.needsMipmaps?this.getMipLevels(e,n,a):1,e.isCubeTexture&&e.mipmaps.length>0&&t.levels++,s||!0===e.isStorageTexture||!0===e.isExternalTexture)i.createTexture(e,t),r.generation=e.version;else if(e.version>0){const s=e.image;if(void 0===s)d("Renderer: Texture marked for update but image is undefined.");else if(!1===s.complete)d("Renderer: Texture marked for update but image is incomplete.");else{if(e.images){const r=[];for(const t of e.images)r.push(t);t.images=r}else t.image=s;void 0!==r.isDefaultTexture&&!0!==r.isDefaultTexture||(i.createTexture(e,t),r.isDefaultTexture=!1,r.generation=e.version),!0===e.source.dataReady&&i.updateTexture(e,t);const n=!0===e.isStorageTexture&&!1===e.mipmapsAutoUpdate;t.needsMipmaps&&0===e.mipmaps.length&&!n&&i.generateMipmaps(e),e.onUpdate&&e.onUpdate(e)}}else i.createDefaultTexture(e),r.isDefaultTexture=!0,r.generation=e.version;!0!==r.initialized&&(r.initialized=!0,r.generation=e.version,r.bindGroups=new Set,this.info.createTexture(e),e.isVideoTexture&&!0===p.enabled&&p.getTransfer(e.colorSpace)!==g&&d("WebGPURenderer: Video textures must use a color space with a sRGB transfer function, e.g. SRGBColorSpace."),r.onDispose=()=>{this._destroyTexture(e)},e.addEventListener("dispose",r.onDispose)),r.version=e.version}updateSampler(e){return this.backend.updateSampler(e)}getSize(e,t=Eb){let r=e.images?e.images[0]:e.image;return r?(void 0!==r.image&&(r=r.image),e.isHTMLTexture?(t.width=r.offsetWidth||1,t.height=r.offsetHeight||1,t.depth=1):"undefined"!=typeof HTMLVideoElement&&r instanceof HTMLVideoElement?(t.width=r.videoWidth||1,t.height=r.videoHeight||1,t.depth=1):"undefined"!=typeof VideoFrame&&r instanceof VideoFrame?(t.width=r.displayWidth||1,t.height=r.displayHeight||1,t.depth=1):(t.width=r.width||1,t.height=r.height||1,t.depth=e.isCubeTexture?6:r.depth||1)):t.width=t.height=t.depth=1,t}getMipLevels(e,t,r){let s;return s=e.mipmaps.length>0?e.mipmaps.length:!0===e.isCompressedTexture?1:Math.floor(Math.log2(Math.max(t,r)))+1,s}needsMipmaps(e){return!0===e.generateMipmaps||e.mipmaps.length>0}_destroyRenderTarget(e){if(!0===this.has(e)){const t=this.get(e),r=t.textures,s=t.depthTexture;e.removeEventListener("dispose",t.onDispose);for(let e=0;e{!0===t.isOverrideContextNode&&e.push(t.value.overrideNodes)});const t=new Map(e.flatMap(e=>Array.from(e.entries()))),r=super.getFlowContextData();return r.overrideNodes=t,r}}function Cb(e,t=null,r=null){if(t&&t.isNode){const e=t;t=()=>e}return new Ab(new Map([[e,t]]),r)}function Mb(e,t=null){const r=new Map;for(const[t,s]of e){const e=null!==s?"function"==typeof s?s:()=>s:null;r.set(t,e)}return new Ab(r,t)}Ai("overrideNode",(e,t,r)=>Cb(t,r,e)),Ai("overrideNodes",(e,t)=>Mb(t,e));class Bb extends Gn{static get type(){return"ParameterNode"}constructor(e,t=null){super(e,t),this.isParameterNode=!0}getMemberType(e,t){const r=this.getNodeType(e),s=e.getStructTypeNode(r);let i;return null!==s?i=s.getMemberType(e,t):(o(`TSL: Member "${t}" not found in struct "${r}".`,new Vs),i="float"),i}getHash(){return String(this.id)}generate(){return this.name}}class Lb extends pi{static get type(){return"StackNode"}constructor(e=null){super(),this.nodes=[],this.outputNode=null,this.parent=e,this._currentCond=null,this._expressionNode=null,this._currentNode=null,this._nodeDataLibrary=new Map,this.isStackNode=!0}getElementType(e){return this.outputNode?this.outputNode.getElementType(e):"void"}generateNodeType(e){return this.outputNode?this.outputNode.getNodeType(e):"void"}getMemberType(e,t){return this.outputNode?this.outputNode.getMemberType(e,t):"void"}addToStack(e,t=-1){if(!0!==e.isNode)return o("TSL: Invalid node added to stack.",new Vs),this;if(-1===t)if(this._currentNode){let e=this._nodeDataLibrary.get(this._currentNode);void 0===e&&(e={delta:0},this._nodeDataLibrary.set(this._currentNode,e)),e.delta++,t=this.nodes.indexOf(this._currentNode)+e.delta}else t=this.nodes.length;return this.nodes.splice(t,0,e),this}addToStackBefore(e){const t=this._currentNode?this.nodes.indexOf(this._currentNode):0;return this.addToStack(e,t)}If(e,t){const r=new rn(t);return this._currentCond=Lu(e,r),this.addToStack(this._currentCond)}ElseIf(e,t){const r=new rn(t),s=Lu(e,r);return this._currentCond.elseNode=s,this._currentCond=s,this}Else(e){return this._currentCond.elseNode=new rn(e),this}Switch(e){return this._expressionNode=sn(e),this}Case(...e){const t=[];if(e.length>=2)for(let r=0;r"string"==typeof t?{name:e,type:t,atomic:!1}:{name:e,type:t.type,atomic:t.atomic||!1})),this.name=t,this.isStructTypeNode=!0}getLength(){let e=1,t=0;for(const r of this.membersLayout){const s=r.type,i=Ys(s),n=Qs(s);e=Math.max(e,n);const a=t%e%n;0!==a&&(t+=n-a),t+=i}return Math.ceil(t/e)*e}getMemberType(e,t){const r=this.membersLayout.find(e=>e.name===t);return r?r.type:"void"}generateNodeType(e){return e.getStructTypeFromNode(this,this.membersLayout,this.name).name}setup(e){e.getStructTypeFromNode(this,this.membersLayout,this.name),e.addInclude(this)}generate(e){return this.getNodeType(e)}}class Ub extends pi{static get type(){return"StructNode"}constructor(e,t){super("vec3"),this.structTypeNode=e,this.values=t,this.isStructNode=!0}generateNodeType(e){return this.structTypeNode.getNodeType(e)}getMemberType(e,t){return this.structTypeNode.getMemberType(e,t)}_getChildren(){const e=super._getChildren(),t=e.find(e=>e.childNode===this.structTypeNode);return e.splice(e.indexOf(t),1),e.push(t),e}generate(e){const t=e.getVarFromNode(this),r=t.type,s=e.getPropertyName(t);return e.addLineFlowCode(`${s} = ${e.generateStruct(r,this.structTypeNode.membersLayout,this.values)}`,this),t.name}}class Db extends pi{static get type(){return"OutputStructNode"}constructor(...e){super(),this.members=e,this.isOutputStructNode=!0}generateNodeType(){return"OutputType"}generate(e){const t=e.getDataFromNode(this);if(void 0===t.membersLayout){const r=this.members,s=[];for(let t=0;tnew Wb(e,"uint","float"),qb={};class Xb extends uo{static get type(){return"BitcountNode"}constructor(e,t){super(e,t),this.isBitcountNode=!0}_resolveElementType(e,t,r){"int"===r?t.assign(Hb(e,"uint")):t.assign(e)}_returnDataNode(e){switch(e){case"uint":return vn;case"int":return _n;case"uvec2":return Rn;case"uvec3":return Mn;case"uvec4":return Pn;case"ivec2":return En;case"ivec3":return Cn;case"ivec4":return Fn}}_createTrailingZerosBaseLayout(e,t){const r=this._returnDataNode(t);return gn(([e])=>{const s=vn(0);this._resolveElementType(e,s,t);const i=Tn(s.bitAnd(Ho(s))),n=jb(i).shiftRight(23).sub(127);return r(n)}).setLayout({name:e,type:t,inputs:[{name:"value",type:t}]})}_createLeadingZerosBaseLayout(e,t){const r=this._returnDataNode(t);return gn(([e])=>{yn(e.equal(vn(0)),()=>vn(32));const s=vn(0),i=vn(0);return this._resolveElementType(e,s,t),yn(s.shiftRight(16).equal(0),()=>{i.addAssign(16),s.shiftLeftAssign(16)}),yn(s.shiftRight(24).equal(0),()=>{i.addAssign(8),s.shiftLeftAssign(8)}),yn(s.shiftRight(28).equal(0),()=>{i.addAssign(4),s.shiftLeftAssign(4)}),yn(s.shiftRight(30).equal(0),()=>{i.addAssign(2),s.shiftLeftAssign(2)}),yn(s.shiftRight(31).equal(0),()=>{i.addAssign(1)}),r(i)}).setLayout({name:e,type:t,inputs:[{name:"value",type:t}]})}_createOneBitsBaseLayout(e,t){const r=this._returnDataNode(t);return gn(([e])=>{const s=vn(0);this._resolveElementType(e,s,t),s.assign(s.sub(s.shiftRight(vn(1)).bitAnd(vn(1431655765)))),s.assign(s.bitAnd(vn(858993459)).add(s.shiftRight(vn(2)).bitAnd(vn(858993459))));const i=s.add(s.shiftRight(vn(4))).bitAnd(vn(252645135)).mul(vn(16843009)).shiftRight(vn(24));return r(i)}).setLayout({name:e,type:t,inputs:[{name:"value",type:t}]})}_createMainLayout(e,t,r,s){const i=this._returnDataNode(t);return gn(([e])=>{if(1===r)return i(s(e));{const t=i(0),n=["x","y","z","w"];for(let i=0;id(r))()}}Xb.COUNT_TRAILING_ZEROS="countTrailingZeros",Xb.COUNT_LEADING_ZEROS="countLeadingZeros",Xb.COUNT_ONE_BITS="countOneBits";const Yb=dn(Xb,Xb.COUNT_TRAILING_ZEROS).setParameterLength(1),Qb=dn(Xb,Xb.COUNT_LEADING_ZEROS).setParameterLength(1),Kb=dn(Xb,Xb.COUNT_ONE_BITS).setParameterLength(1),Zb=gn(([e])=>{const t=e.toUint().mul(747796405).add(2891336453),r=t.shiftRight(t.shiftRight(28).add(4)).bitXor(t).mul(277803737);return r.shiftRight(22).bitXor(r).toFloat().mul(1/2**32)}),Jb=(e,t)=>du(Va(4,e.mul(Ia(1,e))),t);class ex extends fi{static get type(){return"PackFloatNode"}constructor(e,t){super(),this.vectorNode=t,this.encoding=e,this.isPackFloatNode=!0}generateNodeType(){return"uint"}generate(e){const t=this.vectorNode.getNodeType(e);return`${e.getFloatPackingMethod(this.encoding)}(${this.vectorNode.build(e,t)})`}}const tx=dn(ex,"snorm").setParameterLength(1),rx=dn(ex,"unorm").setParameterLength(1),sx=dn(ex,"float16").setParameterLength(1);class ix extends fi{static get type(){return"UnpackFloatNode"}constructor(e,t){super(),this.uintNode=t,this.encoding=e,this.isUnpackFloatNode=!0}generateNodeType(){return"vec2"}generate(e){const t=this.uintNode.getNodeType(e);return`${e.getFloatUnpackingMethod(this.encoding)}(${this.uintNode.build(e,t)})`}}const nx=dn(ix,"snorm").setParameterLength(1),ax=dn(ix,"unorm").setParameterLength(1),ox=dn(ix,"float16").setParameterLength(1),ux=gn(([e])=>e.fract().sub(.5).abs()).setLayout({name:"tri",type:"float",inputs:[{name:"x",type:"float"}]}),lx=gn(([e])=>An(ux(e.z.add(ux(e.y.mul(1)))),ux(e.z.add(ux(e.x.mul(1)))),ux(e.y.add(ux(e.x.mul(1)))))).setLayout({name:"tri3",type:"vec3",inputs:[{name:"p",type:"vec3"}]}),dx=gn(([e,t,r])=>{const s=An(e).toVar(),i=Tn(1.4).toVar(),n=Tn(0).toVar(),a=An(s).toVar();return Zp({start:Tn(0),end:Tn(3),type:"float",condition:"<="},()=>{const e=An(lx(a.mul(2))).toVar();s.addAssign(e.add(r.mul(Tn(.1).mul(t)))),a.mulAssign(1.8),i.mulAssign(1.5),s.mulAssign(1.2);const o=Tn(ux(s.z.add(ux(s.x.add(ux(s.y)))))).toVar();n.addAssign(o.div(i)),a.addAssign(.14)}),n}).setLayout({name:"triNoise3D",type:"float",inputs:[{name:"position",type:"vec3"},{name:"speed",type:"float"},{name:"time",type:"float"}]});class cx extends pi{static get type(){return"FunctionOverloadingNode"}constructor(e=[],...t){super(),this.functionNodes=e,this.parametersNodes=t,this._candidateFn=null,this.global=!0}generateNodeType(e){return this.getCandidateFn(e).shaderNode.layout.type}getCandidateFn(e){const t=this.parametersNodes;let r=this._candidateFn;if(null===r){let s=null,i=-1;for(const r of this.functionNodes){const n=r.shaderNode.layout;if(null===n)throw new Error("THREE.FunctionOverloadingNode: FunctionNode must be a layout.");const a=n.inputs;if(t.length===a.length){let n=0;for(let r=0;ri&&(s=r,i=n)}}this._candidateFn=r=s}return r}setup(e){return this.getCandidateFn(e)(...this.parametersNodes)}}const hx=un(cx),px=e=>(...t)=>hx(e,...t),gx=Aa(0).setGroup(Ea).onRenderUpdate(e=>e.time),mx=Aa(0).setGroup(Ea).onRenderUpdate(e=>e.deltaTime),fx=Aa(0,"uint").setGroup(Ea).onRenderUpdate(e=>e.frameId);const yx=gn(([e,t,r=Sn(.5)])=>wy(e.sub(r),t).add(r)),bx=gn(([e,t,r=Sn(.5)])=>{const s=e.sub(r),i=s.dot(s),n=i.mul(i).mul(t);return e.add(s.mul(n))}),xx=gn(({position:e=null,horizontal:t=!0,vertical:r=!1})=>{let s;null!==e?(s=sc.toVar(),s[3][0]=e.x,s[3][1]=e.y,s[3][2]=e.z):s=sc;const i=zd.mul(s);return en(t)&&(i[0][0]=sc[0].length(),i[0][1]=0,i[0][2]=0),en(r)&&(i[1][0]=0,i[1][1]=sc[1].length(),i[1][2]=0),i[2][0]=0,i[2][1]=0,i[2][2]=1,kd.mul(i).mul(fc)}),Tx=gn(([e=null])=>{const t=Ag();return Ag(bg(e)).sub(t).lessThan(0).select(md,e)}),_x=gn(([e,t=ql(),r=Tn(0)])=>{const s=e.x,i=e.y,n=r.mod(s.mul(i)).floor(),a=n.mod(s),o=i.sub(n.add(1).div(s).ceil()),u=e.reciprocal(),l=Sn(a,o);return t.add(l).mul(u)}),vx=gn(([e,t=null,r=null,s=Tn(1),i=fc,n=wc])=>{let a=n.abs().normalize();a=a.div(a.dot(An(1)));const o=i.yz.mul(s),u=i.zx.mul(s),l=i.xy.mul(s),d=e.value,c=null!==t?t.value:d,h=null!==r?r.value:d,p=rd(d,o).mul(a.x),g=rd(c,u).mul(a.y),m=rd(h,l).mul(a.z);return Oa(p,g,m)}),Nx=new ut,Sx=new r,Ex=new r,Rx=new r,wx=new a,Ax=new r(0,0,-1),Cx=new s,Mx=new r,Bx=new r,Lx=new s,Fx=new t,Px=new ne,Ux=md.flipX();Px.depthTexture=new Z(1,1);let Dx=!1;class Ox extends ed{static get type(){return"ReflectorNode"}constructor(e={}){super(e.defaultTexture||Px.texture,Ux),this._reflectorBaseNode=e.reflector||new Ix(this,e),this._depthNode=null,this.setUpdateMatrix(!1)}get reflector(){return this._reflectorBaseNode}get target(){return this._reflectorBaseNode.target}getDepthNode(){if(null===this._depthNode){if(!0!==this._reflectorBaseNode.depth)throw new Error("THREE.ReflectorNode: Depth node can only be requested when the reflector is created with { depth: true }. ");this._depthNode=new Ox({defaultTexture:Px.depthTexture,reflector:this._reflectorBaseNode})}return this._depthNode}setup(e){return e.object.isQuadMesh||this._reflectorBaseNode.build(e),super.setup(e)}clone(){const e=new this.constructor(this.reflectorNode);return e.uvNode=this.uvNode,e.levelNode=this.levelNode,e.biasNode=this.biasNode,e.sampler=this.sampler,e.depthNode=this.depthNode,e.compareNode=this.compareNode,e.gradNode=this.gradNode,e.gatherNode=this.gatherNode,e.offsetNode=this.offsetNode,e._reflectorBaseNode=this._reflectorBaseNode,e}dispose(){super.dispose(),this._reflectorBaseNode.dispose()}}class Ix extends pi{static get type(){return"ReflectorBaseNode"}constructor(e,t={}){super();const{target:r=new at,resolutionScale:s=1,generateMipmaps:i=!1,bounces:n=!0,depth:a=!1,samples:o=0}=t;this.textureNode=e,this.target=r,this.resolutionScale=s,void 0!==t.resolution&&(v('ReflectorNode: The "resolution" parameter has been renamed to "resolutionScale".'),this.resolutionScale=t.resolution),this.generateMipmaps=i,this.bounces=n,this.depth=a,this.samples=o,this.updateBeforeType=n?ii.RENDER:ii.FRAME,this.virtualCameras=new WeakMap,this.renderTargets=new Map,this.forceUpdate=!1,this.hasOutput=!1}_updateResolution(e,t){const r=this.resolutionScale;t.getDrawingBufferSize(Fx),e.setSize(Math.round(Fx.width*r),Math.round(Fx.height*r))}setup(e){return this._updateResolution(Px,e.renderer),super.setup(e)}dispose(){super.dispose();for(const e of this.renderTargets.values())e.dispose()}getVirtualCamera(e){let t=this.virtualCameras.get(e);return void 0===t&&(t=e.clone(),this.virtualCameras.set(e,t)),t}getRenderTarget(e){let t=this.renderTargets.get(e);return void 0===t&&(t=new ne(0,0,{type:Te,samples:this.samples}),!0===this.generateMipmaps&&(t.texture.minFilter=ot,t.texture.generateMipmaps=!0),!0===this.depth&&(t.depthTexture=new Z),this.renderTargets.set(e,t)),t}updateBefore(e){if(!1===this.bounces&&Dx)return!1;Dx=!0;const{scene:t,camera:r,renderer:s,material:i}=e,{target:n}=this,a=this.getVirtualCamera(r),o=this.getRenderTarget(a);s.getDrawingBufferSize(Fx),this._updateResolution(o,s),Ex.setFromMatrixPosition(n.matrixWorld),Rx.setFromMatrixPosition(r.matrixWorld),wx.extractRotation(n.matrixWorld),Sx.set(0,0,1),Sx.applyMatrix4(wx),Mx.subVectors(Ex,Rx);let u=!1;if(!0===Mx.dot(Sx)>0&&!1===this.forceUpdate){if(!1===this.hasOutput)return void(Dx=!1);u=!0}Mx.reflect(Sx).negate(),Mx.add(Ex),wx.extractRotation(r.matrixWorld),Ax.set(0,0,-1),Ax.applyMatrix4(wx),Ax.add(Rx),Bx.subVectors(Ex,Ax),Bx.reflect(Sx).negate(),Bx.add(Ex),a.coordinateSystem=r.coordinateSystem,a.position.copy(Mx),a.up.set(0,1,0),a.up.applyMatrix4(wx),a.up.reflect(Sx),a.lookAt(Bx),a.near=r.near,a.far=r.far,a.updateMatrixWorld(),a.projectionMatrix.copy(r.projectionMatrix),Nx.setFromNormalAndCoplanarPoint(Sx,Ex),Nx.applyMatrix4(a.matrixWorldInverse),Cx.set(Nx.normal.x,Nx.normal.y,Nx.normal.z,Nx.constant);const l=a.projectionMatrix;Lx.x=(Math.sign(Cx.x)+l.elements[8])/l.elements[0],Lx.y=(Math.sign(Cx.y)+l.elements[9])/l.elements[5],Lx.z=-1,Lx.w=(1+l.elements[10])/l.elements[14],Cx.multiplyScalar(1/Cx.dot(Lx));l.elements[2]=Cx.x,l.elements[6]=Cx.y,l.elements[10]=s.coordinateSystem===h?Cx.z-0:Cx.z+1-0,l.elements[14]=Cx.w,this.textureNode.value=o.texture,!0===this.depth&&(this.textureNode.getDepthNode().value=o.depthTexture),i.visible=!1;const d=s.getRenderTarget(),c=s.getMRT(),p=s.autoClear;s.setMRT(null),s.setRenderTarget(o),s.autoClear=!0;const g=t.name;t.name=(t.name||"Scene")+" [ Reflector ]",u?(s.clear(),this.hasOutput=!1):(s.render(t,a),this.hasOutput=!0),t.name=g,s.setMRT(c),s.setRenderTarget(d),s.autoClear=p,i.visible=!0,Dx=!1,this.forceUpdate=!1}get resolution(){return v('ReflectorNode: The "resolution" property has been renamed to "resolutionScale".'),this.resolutionScale}set resolution(e){v('ReflectorNode: The "resolution" property has been renamed to "resolutionScale".'),this.resolutionScale=e}}const Vx=new Ne(-1,1,1,-1,0,1);class kx extends ve{constructor(e=!1){super();const t=!1===e?[0,-1,0,1,2,1]:[0,2,0,0,2,0];this.setAttribute("position",new lt([-1,3,0,-1,-1,0,3,-1,0],3)),this.setAttribute("uv",new lt(t,2))}}const Gx=new kx;class zx extends oe{constructor(e=null){super(Gx,e),this.camera=Vx,this.isQuadMesh=!0}async renderAsync(e){v('QuadMesh: "renderAsync()" has been deprecated. Use "render()" and "await renderer.init();" when creating the renderer.'),await e.init(),e.render(this,Vx)}render(e){e.render(this,Vx)}}const $x=new t;class Wx extends ed{static get type(){return"RTTNode"}constructor(e,t=null,r=null,s={type:Te}){const i=new ne(t,r,s);super(i.texture,ql()),this.isRTTNode=!0,this.node=e,this.width=t,this.height=r,this.renderTarget=i,this.textureNeedsUpdate=!0,this.autoUpdate=!0,this._resolutionScale=1,this._rttNode=null,this._quadMesh=new zx(new Dg),this.updateBeforeType=ii.RENDER}get autoResize(){return null===this.width}setup(e){return this._rttNode=this.node.context(e.getSharedContext()),this._quadMesh.material.name="RTT",this._quadMesh.material.needsUpdate=!0,super.setup(e)}setSize(e,t){const r=Math.floor(e*this._resolutionScale),s=Math.floor(t*this._resolutionScale);this.renderTarget.setSize(r,s),this.textureNeedsUpdate=!0}setResolutionScale(e){return this._resolutionScale=e,!1===this.autoResize&&this.setSize(this.width,this.height),this}getResolutionScale(){return this._resolutionScale}updateBefore({renderer:e}){if(!1===this.textureNeedsUpdate&&!1===this.autoUpdate)return;this.textureNeedsUpdate=!1;const t=e.getRenderTarget();if(!0===this.autoResize){const t=e.getDrawingBufferSize($x),r=Math.floor(t.width*this._resolutionScale),s=Math.floor(t.height*this._resolutionScale);r===this.renderTarget.width&&s===this.renderTarget.height||(this.renderTarget.setSize(r,s),this.textureNeedsUpdate=!0)}let r="RTT";this.node.name&&(r=this.node.name+" [ "+r+" ]"),this._quadMesh.material.fragmentNode=this._rttNode,this._quadMesh.name=r,e.setRenderTarget(this.renderTarget),this._quadMesh.render(e),e.setRenderTarget(t)}clone(){const e=new ed(this.value,this.uvNode,this.levelNode);return e.sampler=this.sampler,e.referenceNode=this,e}}const Hx=(e,...t)=>new Wx(sn(e),...t),jx=gn(([e,t,r],s)=>{let i;s.renderer.coordinateSystem===h?(e=Sn(e.x,e.y.oneMinus()).mul(2).sub(1),i=Ln(An(e,t),1)):i=Ln(An(e.x,e.y.oneMinus(),t).mul(2).sub(1),1);const n=Ln(r.mul(i));return n.xyz.div(n.w)}),qx=gn(([e,t])=>{const r=t.mul(Ln(e,1)),s=r.xy.div(r.w).mul(.5).add(.5).toVar();return Sn(s.x,s.y.oneMinus())}),Xx=gn(([e,t,r])=>{const s=Yl(sd(t)),i=En(e.mul(s)).toVar(),n=sd(t,i).toVar(),a=sd(t,i.sub(En(2,0))).toVar(),o=sd(t,i.sub(En(1,0))).toVar(),u=sd(t,i.add(En(1,0))).toVar(),l=sd(t,i.add(En(2,0))).toVar(),d=sd(t,i.add(En(0,2))).toVar(),c=sd(t,i.add(En(0,1))).toVar(),h=sd(t,i.sub(En(0,1))).toVar(),p=sd(t,i.sub(En(0,2))).toVar(),g=zo(Ia(Tn(2).mul(o).sub(a),n)).toVar(),m=zo(Ia(Tn(2).mul(u).sub(l),n)).toVar(),f=zo(Ia(Tn(2).mul(c).sub(d),n)).toVar(),y=zo(Ia(Tn(2).mul(h).sub(p),n)).toVar(),b=jx(e,n,r).toVar(),x=g.lessThan(m).select(b.sub(jx(e.sub(Sn(Tn(1).div(s.x),0)),o,r)),b.negate().add(jx(e.add(Sn(Tn(1).div(s.x),0)),u,r))),T=f.lessThan(y).select(b.sub(jx(e.add(Sn(0,Tn(1).div(s.y))),c,r)),b.negate().add(jx(e.sub(Sn(0,Tn(1).div(s.y))),h,r)));return Ao(lu(x,T))}),Yx=gn(([e])=>Co(Tn(52.9829189).mul(Co(uu(e,Sn(.06711056,.00583715)))))).setLayout({name:"interleavedGradientNoise",type:"float",inputs:[{name:"position",type:"vec2"}]}),Qx=gn(([e,t,r])=>{const s=Tn(2.399963229728653),i=So(Tn(e).add(.5).div(Tn(t))),n=Tn(e).mul(s).add(r);return Sn(Lo(n),Mo(n)).mul(i)}).setLayout({name:"vogelDiskSample",type:"vec2",inputs:[{name:"sampleIndex",type:"int"},{name:"samplesCount",type:"int"},{name:"phi",type:"float"}]});class Kx extends pi{static get type(){return"SampleNode"}constructor(e,t=null){super(),this.callback=e,this.uvNode=t,this.isSampleNode=!0}setup(){return this.sample(ql())}sample(e){return this.callback(e)}}class Zx extends j{constructor(e,t,r=Float32Array){super(ArrayBuffer.isView(e)?e:new r(e*t),t),this.isStorageInstancedBufferAttribute=!0}}class Jx extends Ae{constructor(e,t,r=Float32Array){super(ArrayBuffer.isView(e)?e:new r(e*t),t),this.isStorageBufferAttribute=!0}}class eT extends pi{static get type(){return"PointUVNode"}constructor(){super("vec2"),this.isPointUVNode=!0}generate(){return"vec2( gl_PointCoord.x, 1.0 - gl_PointCoord.y )"}}const tT=ln(eT),rT=new a,sT=Aa(0).setGroup(Ea).onRenderUpdate(({scene:e})=>e.backgroundBlurriness),iT=Aa(1).setGroup(Ea).onRenderUpdate(({scene:e})=>e.backgroundIntensity),nT=Aa(new a).setGroup(Ea).onRenderUpdate(({scene:e})=>{const t=e.background;return null!==t&&t.isTexture&&t.mapping!==dt?rT.makeRotationFromEuler(e.backgroundRotation).transpose():rT.identity(),rT});class aT extends ed{static get type(){return"StorageTextureNode"}constructor(e,t,r=null){super(e,t),this.storeNode=r,this.mipLevel=0,this.isStorageTextureNode=!0,this.access=ai.WRITE_ONLY}getInputType(){return"storageTexture"}getTransformedUV(e){return e}setup(e){super.setup(e);const t=e.getNodeProperties(this);return t.storeNode=this.storeNode,t}setAccess(e){return this.access=e,this}setMipLevel(e){return this.mipLevel=e,this}generate(e,t){return null!==this.storeNode?(this.generateStore(e),""):super.generate(e,t)}generateSnippet(e,t,r,s,i,n,a,o,u){const l=this.value;return e.generateStorageTextureLoad(l,t,r,s,n,u)}toReadWrite(){return this.setAccess(ai.READ_WRITE)}toReadOnly(){return this.setAccess(ai.READ_ONLY)}toWriteOnly(){return this.setAccess(ai.WRITE_ONLY)}store(e,t){const r=this.clone();return r.referenceNode=this.getBase(),r.uvNode=e,r.storeNode=t,null!==t&&r.toStack(),r}generateStore(e){const t=e.getNodeProperties(this),{uvNode:r,storeNode:s,depthNode:i}=t,n=super.generate(e,"property"),a=r.build(e,!0===this.value.is3DTexture?"uvec3":"uvec2"),o=s.build(e,"vec4"),u=i?i.build(e,"int"):null,l=e.generateTextureStore(this.value,n,a,u,o);e.addLineFlowCode(l,this)}clone(){const e=super.clone();return e.storeNode=this.storeNode,e.mipLevel=this.mipLevel,e.access=this.access,e}}const oT=un(aT).setParameterLength(1,3);class uT extends aT{static get type(){return"StorageTexture3DNode"}constructor(e,t,r=null){super(e,t,r),this.isStorageTexture3DNode=!0}getDefaultUV(){return An(.5,.5,.5)}setUpdateMatrix(){}generateUV(e,t){return t.build(e,!0===this.sampler?"vec3":"ivec3")}generateOffset(e,t){return t.build(e,"ivec3")}}const lT=un(uT).setParameterLength(1,3),dT=gn(({texture:e,uv:t})=>{const r=1e-4,s=An().toVar();return yn(t.x.lessThan(r),()=>{s.assign(An(1,0,0))}).ElseIf(t.y.lessThan(r),()=>{s.assign(An(0,1,0))}).ElseIf(t.z.lessThan(r),()=>{s.assign(An(0,0,1))}).ElseIf(t.x.greaterThan(.9999),()=>{s.assign(An(-1,0,0))}).ElseIf(t.y.greaterThan(.9999),()=>{s.assign(An(0,-1,0))}).ElseIf(t.z.greaterThan(.9999),()=>{s.assign(An(0,0,-1))}).Else(()=>{const r=.01,i=e.sample(t.add(An(-.01,0,0))).r.sub(e.sample(t.add(An(r,0,0))).r),n=e.sample(t.add(An(0,-.01,0))).r.sub(e.sample(t.add(An(0,r,0))).r),a=e.sample(t.add(An(0,0,-.01))).r.sub(e.sample(t.add(An(0,0,r))).r);s.assign(An(i,n,a))}),s.normalize()});class cT extends ed{static get type(){return"Texture3DNode"}constructor(e,t=null,r=null){super(e,t,r),this.isTexture3DNode=!0}getInputType(){return"texture3D"}getDefaultUV(){return An(.5,.5,.5)}setUpdateMatrix(){}generateUV(e,t){return t.build(e,!0===this.sampler?"vec3":"ivec3")}generateOffset(e,t){return t.build(e,"ivec3")}normal(e){return dT({texture:this,uv:e})}}const hT=un(cT).setParameterLength(1,3);class pT extends Zc{static get type(){return"UserDataNode"}constructor(e,t,r=null){super(e,t,r),this.userData=r}updateReference(e){return this.reference=null!==this.userData?this.userData:e.object.userData,this.reference}}const gT=new WeakMap;class mT extends fi{static get type(){return"VelocityNode"}constructor(){super("vec2"),this.projectionMatrix=null,this.updateType=ii.OBJECT,this.updateAfterType=ii.OBJECT,this.previousModelWorldMatrix=Aa(new a),this.previousProjectionMatrix=Aa(new a).setGroup(Ea),this.previousCameraViewMatrix=Aa(new a)}setProjectionMatrix(e){this.projectionMatrix=e}update({frameId:e,camera:t,object:r}){const s=yT(r);this.previousModelWorldMatrix.value.copy(s);const i=fT(t);i.frameId!==e&&(i.frameId=e,void 0===i.previousProjectionMatrix?(i.previousProjectionMatrix=new a,i.previousCameraViewMatrix=new a,i.currentProjectionMatrix=new a,i.currentCameraViewMatrix=new a,i.previousProjectionMatrix.copy(this.projectionMatrix||t.projectionMatrix),i.previousCameraViewMatrix.copy(t.matrixWorldInverse)):(i.previousProjectionMatrix.copy(i.currentProjectionMatrix),i.previousCameraViewMatrix.copy(i.currentCameraViewMatrix)),i.currentProjectionMatrix.copy(this.projectionMatrix||t.projectionMatrix),i.currentCameraViewMatrix.copy(t.matrixWorldInverse),this.previousProjectionMatrix.value.copy(i.previousProjectionMatrix),this.previousCameraViewMatrix.value.copy(i.previousCameraViewMatrix))}updateAfter({object:e}){yT(e).copy(e.matrixWorld)}setup(){const e=null===this.projectionMatrix?kd:Aa(this.projectionMatrix),t=this.previousCameraViewMatrix.mul(this.previousModelWorldMatrix),r=e.mul(dc).mul(fc),s=this.previousProjectionMatrix.mul(t).mul(yc),i=r.xy.div(r.w),n=s.xy.div(s.w);return Ia(i,n)}}function fT(e){let t=gT.get(e);return void 0===t&&(t={},gT.set(e,t)),t}function yT(e,t=0){const r=fT(e);let s=r[t];return void 0===s&&(r[t]=s=new a,r[t].copy(e.matrixWorld)),s}const bT=ln(mT),xT=gn(([e,t])=>ru(1,e.oneMinus().div(t)).oneMinus()).setLayout({name:"blendBurn",type:"vec3",inputs:[{name:"base",type:"vec3"},{name:"blend",type:"vec3"}]}),TT=gn(([e,t])=>ru(e.div(t.oneMinus()),1)).setLayout({name:"blendDodge",type:"vec3",inputs:[{name:"base",type:"vec3"},{name:"blend",type:"vec3"}]}),_T=gn(([e,t])=>e.oneMinus().mul(t.oneMinus()).oneMinus()).setLayout({name:"blendScreen",type:"vec3",inputs:[{name:"base",type:"vec3"},{name:"blend",type:"vec3"}]}),vT=gn(([e,t])=>xu(e.mul(2).mul(t),e.oneMinus().mul(2).mul(t.oneMinus()).oneMinus(),iu(.5,e))).setLayout({name:"blendOverlay",type:"vec3",inputs:[{name:"base",type:"vec3"},{name:"blend",type:"vec3"}]}),NT=gn(([e,t])=>{const r=t.a.add(e.a.mul(t.a.oneMinus()));return Ln(t.rgb.mul(t.a).add(e.rgb.mul(e.a).mul(t.a.oneMinus())).div(r),r)}).setLayout({name:"blendColor",type:"vec4",inputs:[{name:"base",type:"vec4"},{name:"blend",type:"vec4"}]}),ST=gn(([e])=>AT(e.rgb)),ET=gn(([e,t=Tn(1)])=>t.mix(AT(e.rgb),e.rgb).max(0)),RT=gn(([e,t=Tn(0)])=>{const r=Oa(e.r,e.g,e.b).div(3),s=e.r.max(e.g.max(e.b)),i=s.sub(r).mul(t).mul(-3);return xu(e.rgb,s,i).max(0)}),wT=gn(([e,t=Tn(1)])=>{const r=An(.57735,.57735,.57735),s=t.cos();return An(e.rgb.mul(s).add(r.cross(e.rgb).mul(t.sin()).add(r.mul(uu(r,e.rgb).mul(s.oneMinus()))))).max(0)}),AT=(e,t=An(p.getLuminanceCoefficients(new r)))=>uu(e,t),CT=gn(([e,t=An(1),s=An(0),i=An(1),n=Tn(1),a=An(p.getLuminanceCoefficients(new r,Ee))])=>{const o=e.rgb.dot(An(a)),u=su(e.rgb.mul(t).add(s),0),l=u.pow(i);return yn(u.r.greaterThan(0),()=>{u.r.assign(l.r)}),yn(u.g.greaterThan(0),()=>{u.g.assign(l.g)}),yn(u.b.greaterThan(0),()=>{u.b.assign(l.b)}),u.assign(o.add(u.sub(o).mul(n)).max(0)),Ln(u.rgb,e.a)}),MT=gn(([e,t])=>e.mul(t).floor().div(t));let BT=null;class LT extends cg{static get type(){return"ViewportSharedTextureNode"}constructor(e=md,t=null){null===BT&&(BT=new Q),super(e,t,BT)}getTextureForReference(){return BT}updateReference(){return this}}const FT=un(LT).setParameterLength(0,2),PT=new t;class UT extends ed{static get type(){return"PassTextureNode"}constructor(e,t){super(t),this.passNode=e,this.isPassTextureNode=!0,this.setUpdateMatrix(!1)}setup(e){return e.getNodeProperties(this).passNode=this.passNode,super.setup(e)}clone(){return new this.constructor(this.passNode,this.value)}}class DT extends UT{static get type(){return"PassMultipleTextureNode"}constructor(e,t,r=!1){super(e,null),this.textureName=t,this.previousTexture=r,this.isPassMultipleTextureNode=!0}updateTexture(){this.value=this.previousTexture?this.passNode.getPreviousTexture(this.textureName):this.passNode.getTexture(this.textureName)}setup(e){return this.updateTexture(),super.setup(e)}clone(){const e=new this.constructor(this.passNode,this.textureName,this.previousTexture);return e.uvNode=this.uvNode,e.levelNode=this.levelNode,e.biasNode=this.biasNode,e.sampler=this.sampler,e.depthNode=this.depthNode,e.compareNode=this.compareNode,e.gradNode=this.gradNode,e.gatherNode=this.gatherNode,e.offsetNode=this.offsetNode,e}}class OT extends fi{static get type(){return"PassNode"}constructor(e,t,r,s={}){super("vec4"),this.scope=e,this.scene=t,this.camera=r,this.options=s,this._width=1,this._height=1;const i=new ne(this._width,this._height,{type:Te,...s});i.texture.name="output";let n=null;this.scope!==OT.DEPTH&&!1===s.depthBuffer||(n=new Z,n.isRenderTargetTexture=!0,n.name="depth",i.depthTexture=n),this.renderTarget=i,this.overrideMaterial=null,this.transparent=!0,this.opaque=!0,this.contextNode=null,this._contextNodeCache=null,this._textures={output:i.texture},null!==n&&(this._textures.depth=n),this._textureNodes={},this._linearDepthNodes={},this._viewZNodes={},this._previousTextures={},this._previousTextureNodes={},this._cameraNear=Aa(0),this._cameraFar=Aa(0),this._mrt=null,this._layers=null,this._resolutionScale=1,this._viewport=null,this._scissor=null,this.isPassNode=!0,this.updateBeforeType=ii.FRAME,this.global=!0}setResolutionScale(e){return this._resolutionScale=e,this}getResolutionScale(){return this._resolutionScale}setResolution(e){return d("PassNode: .setResolution() is deprecated. Use .setResolutionScale() instead."),this.setResolutionScale(e)}getResolution(){return d("PassNode: .getResolution() is deprecated. Use .getResolutionScale() instead."),this.getResolutionScale()}setLayers(e){return this._layers=e,this}getLayers(){return this._layers}setMRT(e){return this._mrt=e,this}getMRT(){return this._mrt}getTexture(e){let t=this._textures[e];if(void 0===t){if("depth"===e)throw new Error("THREE.PassNode: Depth texture is not available for this pass.");t=this.renderTarget.texture.clone(),t.name=e,this._textures[e]=t,this.renderTarget.textures.push(t)}return t}getPreviousTexture(e){let t=this._previousTextures[e];return void 0===t&&(t=this.getTexture(e).clone(),this._previousTextures[e]=t),t}toggleTexture(e){const t=this._previousTextures[e];if(void 0!==t){const r=this._textures[e],s=this.renderTarget.textures.indexOf(r);this.renderTarget.textures[s]=t,this._textures[e]=t,this._previousTextures[e]=r,this._textureNodes[e].updateTexture(),this._previousTextureNodes[e].updateTexture()}}getTextureNode(e="output"){let t=this._textureNodes[e];return void 0===t&&(t=new DT(this,e),t.updateTexture(),this._textureNodes[e]=t),t}getPreviousTextureNode(e="output"){let t=this._previousTextureNodes[e];return void 0===t&&(void 0===this._textureNodes[e]&&this.getTextureNode(e),t=new DT(this,e,!0),t.updateTexture(),this._previousTextureNodes[e]=t),t}getViewZNode(e="depth"){let t=this._viewZNodes[e];if(void 0===t){const r=this._cameraNear,s=this._cameraFar;this._viewZNodes[e]=t=Sg(this.getTextureNode(e),r,s)}return t}getLinearDepthNode(e="depth"){let t=this._linearDepthNodes[e];if(void 0===t){const r=this._cameraNear,s=this._cameraFar,i=this.getViewZNode(e);this._linearDepthNodes[e]=t=Tg(i,r,s)}return t}async compileAsync(e){const t=e.getRenderTarget(),r=e.getMRT();e.setRenderTarget(this.renderTarget),e.setMRT(this._mrt),await e.compileAsync(this.scene,this.camera),e.setRenderTarget(t),e.setMRT(r)}setup({renderer:e}){return this.renderTarget.samples=void 0===this.options.samples?e.samples:this.options.samples,this.renderTarget.texture.type=e.getOutputBufferType(),!0===e.reversedDepthBuffer&&null!==this.renderTarget.depthTexture&&(this.renderTarget.depthTexture.type=Y),this.scope===OT.COLOR?this.getTextureNode():this.getLinearDepthNode()}updateBefore(e){const{renderer:t}=e,{scene:r}=this;let s;const i=t.getOutputRenderTarget();i&&!0===i.isXRRenderTarget?(s=t.xr.getCamera(),t.xr.updateCamera(s),PT.set(i.width,i.height)):(s=this.camera,t.getDrawingBufferSize(PT)),this.setSize(PT.width,PT.height);const n=t.getRenderTarget(),a=t.getMRT(),o=t.autoClear,u=t.transparent,l=t.opaque,d=s.layers.mask,c=t.contextNode,h=r.overrideMaterial;this._cameraNear.value=s.near,this._cameraFar.value=s.far,null!==this._layers&&(s.layers.mask=this._layers.mask);for(const e in this._previousTextures)this.toggleTexture(e);null!==this.overrideMaterial&&(r.overrideMaterial=this.overrideMaterial),t.setRenderTarget(this.renderTarget),t.setMRT(this._mrt),t.autoClear=!0,t.transparent=this.transparent,t.opaque=this.opaque,null!==this.contextNode&&(null!==this._contextNodeCache&&this._contextNodeCache.version===this.version||(this._contextNodeCache={version:this.version,context:Pu({...t.contextNode.getFlowContextData(),...this.contextNode.getFlowContextData()})}),t.contextNode=this._contextNodeCache.context);const p=r.name;r.name=this.name?this.name:r.name,t.render(r,s),r.name=p,r.overrideMaterial=h,t.setRenderTarget(n),t.setMRT(a),t.autoClear=o,t.transparent=u,t.opaque=l,t.contextNode=c,s.layers.mask=d}setSize(e,t){this._width=e,this._height=t;const r=Math.floor(this._width*this._resolutionScale),s=Math.floor(this._height*this._resolutionScale);this.renderTarget.setSize(r,s),null!==this._scissor?(this.renderTarget.scissor.copy(this._scissor).multiplyScalar(this._resolutionScale).floor(),this.renderTarget.scissorTest=!0):this.renderTarget.scissorTest=!1,null!==this._viewport&&this.renderTarget.viewport.copy(this._viewport).multiplyScalar(this._resolutionScale).floor()}setScissor(e,t,r,i){null===e?this._scissor=null:(null===this._scissor&&(this._scissor=new s),e.isVector4?this._scissor.copy(e):this._scissor.set(e,t,r,i))}setViewport(e,t,r,i){null===e?this._viewport=null:(null===this._viewport&&(this._viewport=new s),e.isVector4?this._viewport.copy(e):this._viewport.set(e,t,r,i))}dispose(){this.renderTarget.dispose()}}OT.COLOR="color",OT.DEPTH="depth";class IT extends OT{static get type(){return"ToonOutlinePassNode"}constructor(e,t,r,s,i){super(OT.COLOR,e,t),this.colorNode=r,this.thicknessNode=s,this.alphaNode=i,this._materialCache=new WeakMap,this.name="Outline Pass"}updateBefore(e){const{renderer:t}=e,r=t.getRenderObjectFunction();t.setRenderObjectFunction((e,r,s,i,n,a,o,u)=>{if((n.isMeshToonMaterial||n.isMeshToonNodeMaterial)&&!1===n.wireframe){const l=this._getOutlineMaterial(n);t.renderObject(e,r,s,i,l,a,o,u)}t.renderObject(e,r,s,i,n,a,o,u)}),super.updateBefore(e),t.setRenderObjectFunction(r)}_createMaterial(){const e=new Dg;e.isMeshToonOutlineMaterial=!0,e.name="Toon_Outline",e.side=F;const t=wc.negate(),r=kd.mul(dc),s=Tn(1),i=r.mul(Ln(fc,1)),n=r.mul(Ln(fc.add(t),1)),a=Ao(i.sub(n));return e.vertexNode=i.add(a.mul(this.thicknessNode).mul(i.w).mul(s)),e.colorNode=Ln(this.colorNode,this.alphaNode),e}_getOutlineMaterial(e){let t=this._materialCache.get(e);return void 0===t&&(t=this._createMaterial(),this._materialCache.set(e,t)),t}}const VT=gn(([e,t])=>e.mul(t).clamp()).setLayout({name:"linearToneMapping",type:"vec3",inputs:[{name:"color",type:"vec3"},{name:"exposure",type:"float"}]}),kT=gn(([e,t])=>(e=e.mul(t)).div(e.add(1)).clamp()).setLayout({name:"reinhardToneMapping",type:"vec3",inputs:[{name:"color",type:"vec3"},{name:"exposure",type:"float"}]}),GT=gn(([e,t])=>{const r=(e=(e=e.mul(t)).sub(.004).max(0)).mul(e.mul(6.2).add(.5)),s=e.mul(e.mul(6.2).add(1.7)).add(.06);return r.div(s).pow(2.2)}).setLayout({name:"cineonToneMapping",type:"vec3",inputs:[{name:"color",type:"vec3"},{name:"exposure",type:"float"}]}),zT=gn(([e])=>{const t=e.mul(e.add(.0245786)).sub(90537e-9),r=e.mul(e.add(.432951).mul(.983729)).add(.238081);return t.div(r)}),$T=gn(([e,t])=>{const r=On(.59719,.35458,.04823,.076,.90834,.01566,.0284,.13383,.83777),s=On(1.60475,-.53108,-.07367,-.10208,1.10813,-.00605,-.00327,-.07276,1.07602);return e=e.mul(t).div(.6),e=r.mul(e),e=zT(e),(e=s.mul(e)).clamp()}).setLayout({name:"acesFilmicToneMapping",type:"vec3",inputs:[{name:"color",type:"vec3"},{name:"exposure",type:"float"}]}),WT=On(An(1.6605,-.1246,-.0182),An(-.5876,1.1329,-.1006),An(-.0728,-.0083,1.1187)),HT=On(An(.6274,.0691,.0164),An(.3293,.9195,.088),An(.0433,.0113,.8956)),jT=gn(([e])=>{const t=An(e).toVar(),r=An(t.mul(t)).toVar(),s=An(r.mul(r)).toVar();return Tn(15.5).mul(s.mul(r)).sub(Va(40.14,s.mul(t))).add(Va(31.96,s).sub(Va(6.868,r.mul(t))).add(Va(.4298,r).add(Va(.1191,t).sub(.00232))))}),qT=gn(([e,t])=>{const r=An(e).toVar(),s=On(An(.856627153315983,.137318972929847,.11189821299995),An(.0951212405381588,.761241990602591,.0767994186031903),An(.0482516061458583,.101439036467562,.811302368396859)),i=On(An(1.1271005818144368,-.1413297634984383,-.14132976349843826),An(-.11060664309660323,1.157823702216272,-.11060664309660294),An(-.016493938717834573,-.016493938717834257,1.2519364065950405)),n=Tn(-12.47393),a=Tn(4.026069);return r.mulAssign(t),r.assign(HT.mul(r)),r.assign(s.mul(r)),r.assign(su(r,1e-10)),r.assign(No(r)),r.assign(r.sub(n).div(a.sub(n))),r.assign(Tu(r,0,1)),r.assign(jT(r)),r.assign(i.mul(r)),r.assign(du(su(An(0),r),An(2.2))),r.assign(WT.mul(r)),r.assign(Tu(r,0,1)),r}).setLayout({name:"agxToneMapping",type:"vec3",inputs:[{name:"color",type:"vec3"},{name:"exposure",type:"float"}]}),XT=gn(([e,t])=>{const r=Tn(.76),s=Tn(.15);e=e.mul(t);const i=ru(e.r,ru(e.g,e.b)),n=Lu(i.lessThan(.08),i.sub(Va(6.25,i.mul(i))),.04);e.subAssign(n);const a=su(e.r,su(e.g,e.b));yn(a.lessThan(r),()=>e);const o=Ia(1,r),u=Ia(1,o.mul(o).div(a.add(o.sub(r))));e.mulAssign(u.div(a));const l=Ia(1,ka(1,s.mul(a.sub(u)).add(1)));return xu(e,An(u),l)}).setLayout({name:"neutralToneMapping",type:"vec3",inputs:[{name:"color",type:"vec3"},{name:"exposure",type:"float"}]});class YT extends pi{static get type(){return"CodeNode"}constructor(e="",t=[],r=""){super("code"),this.isCodeNode=!0,this.global=!0,this.code=e,this.includes=t,this.language=r}setIncludes(e){return this.includes=e,this}getIncludes(){return this.includes}generate(e){const t=this.getIncludes(e);for(const r of t)r.build(e);const r=e.getCodeFromNode(this,this.getNodeType(e));return r.code=this.code,r.code}serialize(e){super.serialize(e),e.code=this.code,e.language=this.language}deserialize(e){super.deserialize(e),this.code=e.code,this.language=e.language}}const QT=un(YT).setParameterLength(1,3);class KT extends YT{static get type(){return"FunctionNode"}constructor(e="",t=[],r=""){super(e,t,r)}generateNodeType(e){return this.getNodeFunction(e).type}getMemberType(e,t){const r=this.getNodeType(e);return e.getStructTypeNode(r).getMemberType(e,t)}getInputs(e){return this.getNodeFunction(e).inputs}getNodeFunction(e){const t=e.getDataFromNode(this);let r=t.nodeFunction;return void 0===r&&(r=e.parser.parseFunction(this.code),t.nodeFunction=r),r}generate(e,t){super.generate(e);const r=this.getNodeFunction(e),s=r.name,i=r.type,n=e.getCodeFromNode(this,i);""!==s&&(n.name=s);const a=e.getPropertyName(n),o=this.getNodeFunction(e).getCode(a);return n.code=o+"\n","property"===t?a:e.format(`${a}()`,i,t)}}const ZT=(e,t=[],r="")=>{const s=new KT(e,t,r);return cn((...e)=>s.call(...e),s)};function JT(e){let t;const r=e.context.getViewZ;return void 0!==r&&(t=r(this)),(t||Tc.z).negate()}const e_=gn(([e,t],r)=>{const s=JT(r);return Nu(e,t,s)}),t_=gn(([e],t)=>{const r=JT(t);return e.mul(e,r,r).negate().exp().oneMinus()}),r_=gn(([e,t],r)=>{const s=JT(r),i=t.sub(bc.y).max(0).toConst().mul(s).toConst();return e.mul(e,i,i).negate().exp().oneMinus()}),s_=gn(([e,t])=>Ln(t.toFloat().mix(da.rgb,e.toVec3()),da.a));let i_=null,n_=null;class a_ extends pi{static get type(){return"RangeNode"}constructor(e=Tn(),t=Tn()){super(),this.minNode=e,this.maxNode=t}getVectorLength(e){const t=this.getConstNode(this.minNode),r=this.getConstNode(this.maxNode),s=e.getTypeLength(Ks(t.value)),i=e.getTypeLength(Ks(r.value));return s>i?s:i}generateNodeType(e){return e.object.count>1?e.getTypeFromLength(this.getVectorLength(e)):"float"}getConstNode(e){let t=null;if(e.traverse(e=>{!0===e.isConstNode&&(t=e)}),null===t)throw new Zl('THREE.TSL: No "ConstNode" found in node graph.',this.stackTrace);return t}setup(e){const t=e.object;let r=null;if(t.count>1){const i=this.getConstNode(this.minNode),n=this.getConstNode(this.maxNode),a=i.value,o=n.value,u=e.getTypeLength(Ks(a)),d=e.getTypeLength(Ks(o));i_=i_||new s,n_=n_||new s,i_.setScalar(0),n_.setScalar(0),1===u?i_.setScalar(a):a.isColor?i_.set(a.r,a.g,a.b,1):i_.set(a.x,a.y,a.z||0,a.w||0),1===d?n_.setScalar(o):o.isColor?n_.set(o.r,o.g,o.b,1):n_.set(o.x,o.y,o.z||0,o.w||0);const c=4,h=c*t.count,p=new Float32Array(h);for(let e=0;enew u_(e,t),d_=l_("numWorkgroups","uvec3"),c_=l_("workgroupId","uvec3"),h_=l_("globalId","uvec3"),p_=l_("localId","uvec3"),g_=l_("subgroupSize","uint");class m_ extends pi{constructor(e){super(),this.scope=e,this.isBarrierNode=!0}setup(e){e.allowEarlyReturns=!1,e.allowGlobalVariables=!1}generate(e){const{scope:t}=this,{renderer:r}=e;!0===r.backend.isWebGLBackend?e.addFlowCode(`\t// ${t}Barrier \n`):e.addLineFlowCode(`${t}Barrier()`,this)}}const f_=un(m_);class y_ extends gi{constructor(e,t){super(e,t),this.isWorkgroupInfoElementNode=!0}generate(e,t){let r;const s=e.isContextAssign();if(r=super.generate(e),!0!==s){const s=this.getNodeType(e);r=e.format(r,s,t)}return r}}class b_ extends pi{constructor(e,t,r=0){super(t),this.bufferType=t,this.bufferCount=r,this.isWorkgroupInfoNode=!0,this.elementType=t,this.scope=e,this.name=""}setName(e){return this.name=e,this}label(e){return d('TSL: "label()" has been deprecated. Use "setName()" instead.',new Vs),this.setName(e)}setScope(e){return this.scope=e,this}getElementType(){return this.elementType}getInputType(){return`${this.scope}Array`}element(e){return new y_(this,e)}generate(e){const t=""!==this.name?this.name:`${this.scope}Array_${this.id}`;return e.getScopedArray(t,this.scope.toLowerCase(),this.bufferType,this.bufferCount)}}class x_ extends pi{static get type(){return"AtomicFunctionNode"}constructor(e,t,r){super("uint"),this.method=e,this.pointerNode=t,this.valueNode=r,this.parents=!0}getInputType(e){return this.pointerNode.getNodeType(e)}generateNodeType(e){return this.getInputType(e)}generate(e){const t=e.getNodeProperties(this),r=t.parents,s=this.method,i=this.getNodeType(e),n=this.getInputType(e),a=this.pointerNode,o=this.valueNode,u=[];u.push(`&${a.build(e,n)}`),null!==o&&u.push(o.build(e,n));const l=`${e.getMethod(s,i)}( ${u.join(", ")} )`;if(!(!!r&&(1===r.length&&!0===r[0].isStackNode)))return void 0===t.constNode&&(t.constNode=Pl(l,i).toConst()),t.constNode.build(e);e.addLineFlowCode(l,this)}}x_.ATOMIC_LOAD="atomicLoad",x_.ATOMIC_STORE="atomicStore",x_.ATOMIC_ADD="atomicAdd",x_.ATOMIC_SUB="atomicSub",x_.ATOMIC_MAX="atomicMax",x_.ATOMIC_MIN="atomicMin",x_.ATOMIC_AND="atomicAnd",x_.ATOMIC_OR="atomicOr",x_.ATOMIC_XOR="atomicXor";const T_=un(x_),__=(e,t,r)=>T_(e,t,r).toStack();class v_ extends fi{static get type(){return"SubgroupFunctionNode"}constructor(e,t=null,r=null){super(),this.method=e,this.aNode=t,this.bNode=r}getInputType(e){const t=this.aNode?this.aNode.getNodeType(e):null,r=this.bNode?this.bNode.getNodeType(e):null;return(e.isMatrix(t)?0:e.getTypeLength(t))>(e.isMatrix(r)?0:e.getTypeLength(r))?t:r}generateNodeType(e){const t=this.method;return t===v_.SUBGROUP_ELECT?"bool":t===v_.SUBGROUP_BALLOT?"uvec4":this.getInputType(e)}generate(e,t){const r=this.method,s=this.getNodeType(e),i=this.getInputType(e),n=this.aNode,a=this.bNode,o=[];if(r===v_.SUBGROUP_BROADCAST||r===v_.SUBGROUP_SHUFFLE||r===v_.QUAD_BROADCAST){const t=a.getNodeType(e);o.push(n.build(e,s),a.build(e,"float"===t?"int":s))}else r===v_.SUBGROUP_SHUFFLE_XOR||r===v_.SUBGROUP_SHUFFLE_DOWN||r===v_.SUBGROUP_SHUFFLE_UP?o.push(n.build(e,s),a.build(e,"uint")):(null!==n&&o.push(n.build(e,i)),null!==a&&o.push(a.build(e,i)));const u=0===o.length?"()":`( ${o.join(", ")} )`;return e.format(`${e.getMethod(r,s)}${u}`,s,t)}serialize(e){super.serialize(e),e.method=this.method}deserialize(e){super.deserialize(e),this.method=e.method}}v_.SUBGROUP_ELECT="subgroupElect",v_.SUBGROUP_BALLOT="subgroupBallot",v_.SUBGROUP_ADD="subgroupAdd",v_.SUBGROUP_INCLUSIVE_ADD="subgroupInclusiveAdd",v_.SUBGROUP_EXCLUSIVE_AND="subgroupExclusiveAdd",v_.SUBGROUP_MUL="subgroupMul",v_.SUBGROUP_INCLUSIVE_MUL="subgroupInclusiveMul",v_.SUBGROUP_EXCLUSIVE_MUL="subgroupExclusiveMul",v_.SUBGROUP_AND="subgroupAnd",v_.SUBGROUP_OR="subgroupOr",v_.SUBGROUP_XOR="subgroupXor",v_.SUBGROUP_MIN="subgroupMin",v_.SUBGROUP_MAX="subgroupMax",v_.SUBGROUP_ALL="subgroupAll",v_.SUBGROUP_ANY="subgroupAny",v_.SUBGROUP_BROADCAST_FIRST="subgroupBroadcastFirst",v_.QUAD_SWAP_X="quadSwapX",v_.QUAD_SWAP_Y="quadSwapY",v_.QUAD_SWAP_DIAGONAL="quadSwapDiagonal",v_.SUBGROUP_BROADCAST="subgroupBroadcast",v_.SUBGROUP_SHUFFLE="subgroupShuffle",v_.SUBGROUP_SHUFFLE_XOR="subgroupShuffleXor",v_.SUBGROUP_SHUFFLE_UP="subgroupShuffleUp",v_.SUBGROUP_SHUFFLE_DOWN="subgroupShuffleDown",v_.QUAD_BROADCAST="quadBroadcast";const N_=dn(v_,v_.SUBGROUP_ELECT).setParameterLength(0),S_=dn(v_,v_.SUBGROUP_BALLOT).setParameterLength(1),E_=dn(v_,v_.SUBGROUP_ADD).setParameterLength(1),R_=dn(v_,v_.SUBGROUP_INCLUSIVE_ADD).setParameterLength(1),w_=dn(v_,v_.SUBGROUP_EXCLUSIVE_AND).setParameterLength(1),A_=dn(v_,v_.SUBGROUP_MUL).setParameterLength(1),C_=dn(v_,v_.SUBGROUP_INCLUSIVE_MUL).setParameterLength(1),M_=dn(v_,v_.SUBGROUP_EXCLUSIVE_MUL).setParameterLength(1),B_=dn(v_,v_.SUBGROUP_AND).setParameterLength(1),L_=dn(v_,v_.SUBGROUP_OR).setParameterLength(1),F_=dn(v_,v_.SUBGROUP_XOR).setParameterLength(1),P_=dn(v_,v_.SUBGROUP_MIN).setParameterLength(1),U_=dn(v_,v_.SUBGROUP_MAX).setParameterLength(1),D_=dn(v_,v_.SUBGROUP_ALL).setParameterLength(0),O_=dn(v_,v_.SUBGROUP_ANY).setParameterLength(0),I_=dn(v_,v_.SUBGROUP_BROADCAST_FIRST).setParameterLength(2),V_=dn(v_,v_.QUAD_SWAP_X).setParameterLength(1),k_=dn(v_,v_.QUAD_SWAP_Y).setParameterLength(1),G_=dn(v_,v_.QUAD_SWAP_DIAGONAL).setParameterLength(1),z_=dn(v_,v_.SUBGROUP_BROADCAST).setParameterLength(2),$_=dn(v_,v_.SUBGROUP_SHUFFLE).setParameterLength(2),W_=dn(v_,v_.SUBGROUP_SHUFFLE_XOR).setParameterLength(2),H_=dn(v_,v_.SUBGROUP_SHUFFLE_UP).setParameterLength(2),j_=dn(v_,v_.SUBGROUP_SHUFFLE_DOWN).setParameterLength(2),q_=dn(v_,v_.QUAD_BROADCAST).setParameterLength(1);let X_;function Y_(e){X_=X_||new WeakMap;let t=X_.get(e);return void 0===t&&X_.set(e,t={}),t}function Q_(e){const t=Y_(e);return t.shadowMatrix||(t.shadowMatrix=Aa("mat4").setGroup(Ea).onRenderUpdate(t=>(!0===e.castShadow&&!1!==t.renderer.shadowMap.enabled||(e.shadow.camera.coordinateSystem!==t.camera.coordinateSystem&&(e.shadow.camera.coordinateSystem=t.camera.coordinateSystem,e.shadow.camera.updateProjectionMatrix()),e.shadow.updateMatrices(e)),e.shadow.matrix)))}function K_(e,t=bc){const r=Q_(e).mul(t);return r.xyz.div(r.w)}function Z_(e){const t=Y_(e);return t.position||(t.position=Aa(new r).setGroup(Ea).onRenderUpdate((t,r)=>r.value.setFromMatrixPosition(e.matrixWorld)))}function J_(e){const t=Y_(e);return t.targetPosition||(t.targetPosition=Aa(new r).setGroup(Ea).onRenderUpdate((t,r)=>r.value.setFromMatrixPosition(e.target.matrixWorld)))}function ev(e){const t=Y_(e);return t.viewPosition||(t.viewPosition=Aa(new r).setGroup(Ea).onRenderUpdate(({camera:t},s)=>{s.value=s.value||new r,s.value.setFromMatrixPosition(e.matrixWorld),s.value.applyMatrix4(t.matrixWorldInverse)}))}const tv=e=>zd.transformDirection(Z_(e).sub(J_(e))),rv=zn("vec3","totalDiffuse"),sv=zn("vec3","totalSpecular"),iv=zn("vec3","outgoingLight"),nv=(e,t)=>{for(const r of t)if(r.isAnalyticLightNode&&r.light.id===e)return r;return null},av=new WeakMap,ov=[];class uv extends pi{static get type(){return"LightsNode"}constructor(){super("vec3"),this.totalDiffuseNode=rv,this.totalSpecularNode=sv,this.outgoingLightNode=iv,this._lights=[],this.global=!0}customCacheKey(){const e=this._lights;for(let t=0;te.sort((e,t)=>e.id-t.id))([...e.context.materialLightings,...this._lights]),i=e.renderer.library;for(const e of s)if(e.isNode)t.push(e);else{let s=null;if(null!==r&&(s=nv(e.id,r)),null===s){const t=i.getLightNodeClass(e.constructor);if(null===t){d(`LightsNode.setupNodeLights: Light node not found for ${e.constructor.name}`);continue}!1===av.has(e)&&av.set(e,new t(e)),s=av.get(e)}t.push(s)}return t}setupDirectLight(e,t,r){const{lightingModel:s,reflectedLight:i}=e.context;s.direct({...r,lightNode:t,reflectedLight:i},e)}setupDirectRectAreaLight(e,t,r){const{lightingModel:s,reflectedLight:i}=e.context;s.directRectArea({...r,lightNode:t,reflectedLight:i},e)}setupLights(e,t){for(const r of t)r.build(e)}getLightNodes(e){const t=e.getDataFromNode(this);return void 0===t.lightNodes&&(t.lightNodes=this.setupLightsNode(e)),t.lightNodes}setup(e){const t=e.lightsNode;e.lightsNode=this;let r=this.outgoingLightNode;const s=e.context,i=s.lightingModel,n=e.getNodeProperties(this);if(i){const{totalDiffuseNode:t,totalSpecularNode:a}=this;s.outgoingLight=r;const o=e.addStack();n.nodes=o.nodes,i.start(e);const{backdrop:u,backdropAlpha:l}=s,{directDiffuse:d,directSpecular:c,indirectDiffuse:h,indirectSpecular:p}=s.reflectedLight;let g=d.add(h);null!==u&&(g=An(null!==l?l.mix(g,u):u)),t.assign(g),a.assign(c.add(p)),r.assign(t.add(a)),i.finish(e),r=r.bypass(e.removeStack())}else n.nodes=[];return e.lightsNode=t,r}setLights(e){return this._lights=e,this}getLights(){return this._lights}get hasLights(){return this._lights.length>0}}class lv extends pi{static get type(){return"ShadowBaseNode"}constructor(e){super(),this.light=e,this.updateBeforeType=ii.RENDER,this.isShadowBaseNode=!0}setupShadowPosition({context:e,material:t}){dv.assign(t.receivedShadowPositionNode||e.shadowPositionWorld||bc)}}const dv=zn("vec3","shadowPositionWorld");function cv(t,r={}){return r.toneMapping=t.toneMapping,r.toneMappingExposure=t.toneMappingExposure,r.outputColorSpace=t.outputColorSpace,r.renderTarget=t.getRenderTarget(),r.activeCubeFace=t.getActiveCubeFace(),r.activeMipmapLevel=t.getActiveMipmapLevel(),r.renderObjectFunction=t.getRenderObjectFunction(),r.pixelRatio=t.getPixelRatio(),r.mrt=t.getMRT(),r.clearColor=t.getClearColor(r.clearColor||new e),r.clearAlpha=t.getClearAlpha(),r.autoClear=t.autoClear,r.scissorTest=t.getScissorTest(),r}function hv(e,t){return t=cv(e,t),e.setMRT(null),e.setRenderObjectFunction(null),e.setClearColor(0,1),e.autoClear=!0,t}function pv(e,t){e.toneMapping=t.toneMapping,e.toneMappingExposure=t.toneMappingExposure,e.outputColorSpace=t.outputColorSpace,e.setRenderTarget(t.renderTarget,t.activeCubeFace,t.activeMipmapLevel),e.setRenderObjectFunction(t.renderObjectFunction),e.setPixelRatio(t.pixelRatio),e.setMRT(t.mrt),e.setClearColor(t.clearColor,t.clearAlpha),e.autoClear=t.autoClear,e.setScissorTest(t.scissorTest)}function gv(e,t={}){return t.background=e.background,t.backgroundNode=e.backgroundNode,t.overrideMaterial=e.overrideMaterial,t}function mv(e,t){return t=gv(e,t),e.background=null,e.backgroundNode=null,e.overrideMaterial=null,t}function fv(e,t){e.background=t.background,e.backgroundNode=t.backgroundNode,e.overrideMaterial=t.overrideMaterial}function yv(e,t,r){return r=mv(t,r=hv(e,r))}function bv(e,t,r){pv(e,r),fv(t,r)}var xv=Object.freeze({__proto__:null,resetRendererAndSceneState:yv,resetRendererState:hv,resetSceneState:mv,restoreRendererAndSceneState:bv,restoreRendererState:pv,restoreSceneState:fv,saveRendererAndSceneState:function(e,t,r={}){return r=gv(t,r=cv(e,r))},saveRendererState:cv,saveSceneState:gv});const Tv=new WeakMap,_v=gn(({depthTexture:e,shadowCoord:t,depthLayer:r})=>{let s=rd(e,t.xy).setName("t_basic");return e.isArrayTexture&&(s=s.depth(r)),s.compare(t.z)}),vv=gn(({depthTexture:e,shadowCoord:t,shadow:r,depthLayer:s})=>{const i=(t,r)=>{let i=rd(e,t);return e.isArrayTexture&&(i=i.depth(s)),i.compare(r)},n=Jc("mapSize","vec2",r).setGroup(Ea),a=Jc("radius","float",r).setGroup(Ea),o=Sn(1).div(n),u=a.mul(o.x),l=Yx(yd.xy).mul(6.28318530718);return Oa(i(t.xy.add(Qx(0,5,l).mul(u)),t.z),i(t.xy.add(Qx(1,5,l).mul(u)),t.z),i(t.xy.add(Qx(2,5,l).mul(u)),t.z),i(t.xy.add(Qx(3,5,l).mul(u)),t.z),i(t.xy.add(Qx(4,5,l).mul(u)),t.z)).mul(.2)}),Nv=gn(({depthTexture:e,shadowCoord:t,shadow:r,depthLayer:s})=>{const i=Jc("mapSize","vec2",r).setGroup(Ea),n=Sn(1).div(i),a=t.xy,o=Co(a.mul(i).add(.5)).toConst();a.subAssign(o.sub(.5).mul(n));const u=r=>{let i=rd(e,a).offset(r).gather();return e.isArrayTexture&&(i=i.depth(s)),i.compare(t.z)},l=u(En(-1,1)).toConst(),d=u(En(1,1)).toConst(),c=u(En(-1,-1)).toConst(),h=u(En(1,-1)).toConst();return Oa(xu(l.x,d.y,o.x).add(l.y).add(d.x).mul(o.y),xu(l.w,d.z,o.x).add(l.z).add(d.w),xu(c.x,h.y,o.x).add(c.y).add(h.x),xu(c.w,h.z,o.x).add(c.z).add(h.w).mul(o.y.oneMinus())).mul(1/9)}),Sv=gn(({depthTexture:e,shadowCoord:t,depthLayer:r},s)=>{let i=rd(e).sample(t.xy);e.isArrayTexture&&(i=i.depth(r)),i=i.rg;const n=i.x,a=su(1e-7,i.y.mul(i.y)),o=s.renderer.reversedDepthBuffer?iu(n,t.z):iu(t.z,n),u=Tn(1).toVar();return yn(o.notEqual(1),()=>{const e=t.z.sub(n);let r=a.div(a.add(e.mul(e)));r=Tu(Ia(r,.3).div(.65)),u.assign(su(o,r))}),u}),Ev=e=>{let t=Tv.get(e);return void 0===t&&(t=new Dg,t.colorNode=Ln(0,0,0,1),t.isShadowPassMaterial=!0,t.name="ShadowMaterial",t.blending=re,t.fog=!1,Tv.set(e,t)),t},Rv=e=>{const t=Tv.get(e);void 0!==t&&(t.dispose(),Tv.delete(e))},wv=new $y,Av=[],Cv=(e,t,r,s)=>{Av[0]=e,Av[1]=t;let i=wv.get(Av);return void 0!==i&&i.shadowType===r&&i.useVelocity===s||(i=(i,n,a,o,u,l,d,c,h)=>{(!0===i.castShadow||i.receiveShadow&&r===pt)&&(s&&(Js(i).useVelocity=!0),i.onBeforeShadow(e,i,a,t.camera,o,n.overrideMaterial,l),e.renderObject(i,n,a,o,u,l,d,c,h),i.onAfterShadow(e,i,a,t.camera,o,n.overrideMaterial,l))},i.shadowType=r,i.useVelocity=s,wv.set(Av,i)),Av[0]=null,Av[1]=null,i},Mv=gn(({samples:e,radius:t,size:r,shadowPass:s,depthLayer:i})=>{const n=Tn(0).toVar("meanVertical"),a=Tn(0).toVar("squareMeanVertical"),o=e.lessThanEqual(Tn(1)).select(Tn(0),Tn(2).div(e.sub(1))),u=e.lessThanEqual(Tn(1)).select(Tn(0),Tn(-1));Zp({start:_n(0),end:_n(e),type:"int",condition:"<"},({i:e})=>{const l=u.add(Tn(e).mul(o));let d=s.sample(Oa(yd.xy,Sn(0,l).mul(t)).div(r));s.value.isArrayTexture&&(d=d.depth(i)),d=d.x,n.addAssign(d),a.addAssign(d.mul(d))}),n.divAssign(e),a.divAssign(e);const l=So(a.sub(n.mul(n)).max(0));return Sn(n,l)}),Bv=gn(({samples:e,radius:t,size:r,shadowPass:s,depthLayer:i})=>{const n=Tn(0).toVar("meanHorizontal"),a=Tn(0).toVar("squareMeanHorizontal"),o=e.lessThanEqual(Tn(1)).select(Tn(0),Tn(2).div(e.sub(1))),u=e.lessThanEqual(Tn(1)).select(Tn(0),Tn(-1));Zp({start:_n(0),end:_n(e),type:"int",condition:"<"},({i:e})=>{const l=u.add(Tn(e).mul(o));let d=s.sample(Oa(yd.xy,Sn(l,0).mul(t)).div(r));s.value.isArrayTexture&&(d=d.depth(i)),n.addAssign(d.x),a.addAssign(Oa(d.y.mul(d.y),d.x.mul(d.x)))}),n.divAssign(e),a.divAssign(e);const l=So(a.sub(n.mul(n)).max(0));return Sn(n,l)}),Lv=[_v,vv,Nv,Sv];let Fv;const Pv=new zx;class Uv extends lv{static get type(){return"ShadowNode"}constructor(e,t=null){super(e),this.shadow=t||e.shadow,this.shadowMap=null,this.vsmShadowMapVertical=null,this.vsmShadowMapHorizontal=null,this.vsmMaterialVertical=null,this.vsmMaterialHorizontal=null,this._node=null,this._currentShadowType=null,this._cameraFrameId=new WeakMap,this.isShadowNode=!0,this.depthLayer=0}setupShadowFilter(e,{filterFn:t,depthTexture:r,shadowCoord:s,shadow:i,depthLayer:n}){const a=s.x.greaterThanEqual(0).and(s.x.lessThanEqual(1)).and(s.y.greaterThanEqual(0)).and(s.y.lessThanEqual(1)).and(s.z.lessThanEqual(1)),o=t({depthTexture:r,shadowCoord:s,shadow:i,depthLayer:n});return a.select(o,Tn(1))}setupShadowCoord(e,t){const{shadow:r}=this,{renderer:s}=e,i=r.biasNode||Jc("bias","float",r).setGroup(Ea);let n,a=t;if(r.camera.isOrthographicCamera||!0!==s.logarithmicDepthBuffer)a=a.xyz.div(a.w),n=a.z;else{const e=a.w;a=a.xy.div(e);const t=Jc("near","float",r.camera).setGroup(Ea),s=Jc("far","float",r.camera).setGroup(Ea);n=Eg(e.negate(),t,s)}return a=An(a.x,a.y.oneMinus(),s.reversedDepthBuffer?n.sub(i):n.add(i)),a}getShadowFilterFn(e){return Lv[e]}setupRenderTarget(e,t){const r=new Z(e.mapSize.width,e.mapSize.height);r.name="ShadowDepthTexture",r.compareFunction=t.renderer.reversedDepthBuffer?M:A;const s=t.createRenderTarget(e.mapSize.width,e.mapSize.height);return s.texture.name="ShadowMap",s.texture.type=e.mapType,s.depthTexture=r,{shadowMap:s,depthTexture:r}}setupShadow(e){const{renderer:t,camera:r}=e,{light:s,shadow:i}=this,{depthTexture:n,shadowMap:a}=this.setupRenderTarget(i,e),o=t.shadowMap.type,u=t.hasCompatibility(R.TEXTURE_COMPARE);if(o!==ct&&o!==ht||!u?(n.minFilter=B,n.magFilter=B):(n.minFilter=le,n.magFilter=le),i.camera.coordinateSystem=r.coordinateSystem,i.camera.updateProjectionMatrix(),o===pt&&!0!==i.isPointLightShadow){n.compareFunction=null,a.depth>1?(a._vsmShadowMapVertical||(a._vsmShadowMapVertical=e.createRenderTarget(i.mapSize.width,i.mapSize.height,{format:$,type:Te,depth:a.depth,depthBuffer:!1}),a._vsmShadowMapVertical.texture.name="VSMVertical"),this.vsmShadowMapVertical=a._vsmShadowMapVertical,a._vsmShadowMapHorizontal||(a._vsmShadowMapHorizontal=e.createRenderTarget(i.mapSize.width,i.mapSize.height,{format:$,type:Te,depth:a.depth,depthBuffer:!1}),a._vsmShadowMapHorizontal.texture.name="VSMHorizontal"),this.vsmShadowMapHorizontal=a._vsmShadowMapHorizontal):(this.vsmShadowMapVertical=e.createRenderTarget(i.mapSize.width,i.mapSize.height,{format:$,type:Te,depthBuffer:!1}),this.vsmShadowMapHorizontal=e.createRenderTarget(i.mapSize.width,i.mapSize.height,{format:$,type:Te,depthBuffer:!1}));let t=rd(n);n.isArrayTexture&&(t=t.depth(this.depthLayer));let r=rd(this.vsmShadowMapVertical.texture);n.isArrayTexture&&(r=r.depth(this.depthLayer));const s=Jc("blurSamples","float",i).setGroup(Ea),o=Jc("radius","float",i).setGroup(Ea),u=Jc("mapSize","vec2",i).setGroup(Ea);let l=this.vsmMaterialVertical||(this.vsmMaterialVertical=new Dg);l.fragmentNode=Mv({samples:s,radius:o,size:u,shadowPass:t,depthLayer:this.depthLayer}).context(e.getSharedContext()),l.name="VSMVertical",l=this.vsmMaterialHorizontal||(this.vsmMaterialHorizontal=new Dg),l.fragmentNode=Bv({samples:s,radius:o,size:u,shadowPass:r,depthLayer:this.depthLayer}).context(e.getSharedContext()),l.name="VSMHorizontal"}const l=Jc("intensity","float",i).setGroup(Ea),d=Jc("normalBias","float",i).setGroup(Ea),c=Q_(s),h=Lc.mul(d);let p;if(!t.highPrecision||e.material.receivedShadowPositionNode||e.context.shadowPositionWorld)p=c.mul(dv.add(h));else{p=Aa("mat4").onObjectUpdate(({object:e},t)=>t.value.multiplyMatrices(c.value,e.matrixWorld)).mul(fc).add(c.mul(Ln(h,0)))}const g=this.setupShadowCoord(e,p),m=i.filterNode||this.getShadowFilterFn(t.shadowMap.type)||null;if(null===m)throw new Error("THREE.WebGPURenderer: Shadow map type not supported yet.");const f=o===pt&&!0!==i.isPointLightShadow?this.vsmShadowMapHorizontal.texture:n,y=this.setupShadowFilter(e,{filterFn:m,shadowTexture:a.texture,depthTexture:f,shadowCoord:g,shadow:i,depthLayer:this.depthLayer});let b,x;!0===t.shadowMap.transmitted&&(a.texture.isCubeTexture?b=Qc(a.texture,g.xyz):(b=rd(a.texture,g),n.isArrayTexture&&(b=b.depth(this.depthLayer)))),x=b?xu(1,y.rgb.mix(b,1),l.mul(b.a)).toVar():xu(1,y,l).toVar(),this.shadowMap=a,this.shadow.map=a;const T=`${this.light.type} Shadow [ ${this.light.name||"ID: "+this.light.id} ]`;return b&&x.toInspector(`${T} / Color`,()=>this.shadowMap.texture.isCubeTexture?Qc(this.shadowMap.texture,em()):rd(this.shadowMap.texture)),x.toInspector(`${T} / Depth`,()=>{const e=Jc("near","float",this.shadow.camera),t=Jc("far","float",this.shadow.camera);let r,s;return r=this.shadowMap.texture.isCubeTexture?Qc(this.shadowMap.depthTexture,em()).r:rd(this.shadowMap.depthTexture).r,s=this.shadow.camera.isPerspectiveCamera?Sg(r,e,t):_g(r,e,t),s=Tg(s,e,t),s.oneMinus()})}setup(e){if(!1!==e.renderer.shadowMap.enabled)return gn(()=>{const t=e.renderer.shadowMap.type;this._currentShadowType!==t&&(this._reset(),this._node=null);let r=this._node;return this.setupShadowPosition(e),null===r&&(this._node=r=this.setupShadow(e),this._currentShadowType=t),e.material.receivedShadowNode&&(r=e.material.receivedShadowNode(r)),r})()}renderShadow(e){const{shadow:t,shadowMap:r,light:s}=this,{renderer:i,scene:n}=e;t.updateMatrices(s),r.setSize(t.mapSize.width,t.mapSize.height,r.depth);const a=n.name;n.name=`Shadow Map [ ${s.name||"ID: "+s.id} ]`,i.render(n,t.camera),n.name=a}updateShadow(e){const{shadowMap:t,light:r,shadow:s}=this,{renderer:i,scene:n,camera:a}=e,o=i.shadowMap.type,u=t.depthTexture.version;this._depthVersionCached=u;const l=s.camera.layers.mask;4294967294&s.camera.layers.mask||(s.camera.layers.mask=a.layers.mask);const d=i.getRenderObjectFunction(),c=i.getMRT(),h=!!c&&c.has("velocity");Fv=yv(i,n,Fv),n.overrideMaterial=Ev(r),i.setRenderObjectFunction(Cv(i,s,o,h)),i.setClearColor(0,0),i.setRenderTarget(t),this.renderShadow(e),i.setRenderObjectFunction(d),o===pt&&!0!==s.isPointLightShadow&&this.vsmPass(i),s.camera.layers.mask=l,bv(i,n,Fv)}vsmPass(e){const{shadow:t}=this,r=this.shadowMap.depth;this.vsmShadowMapVertical.setSize(t.mapSize.width,t.mapSize.height,r),this.vsmShadowMapHorizontal.setSize(t.mapSize.width,t.mapSize.height,r),e.setRenderTarget(this.vsmShadowMapVertical),Pv.material=this.vsmMaterialVertical,Pv.render(e),e.setRenderTarget(this.vsmShadowMapHorizontal),Pv.material=this.vsmMaterialHorizontal,Pv.render(e)}dispose(){this._reset(),super.dispose()}_reset(){this._currentShadowType=null,Rv(this.light),this.shadowMap&&(this.shadowMap.dispose(),this.shadowMap=null),null!==this.vsmShadowMapVertical&&(this.vsmShadowMapVertical.dispose(),this.vsmShadowMapVertical=null,this.vsmMaterialVertical.dispose(),this.vsmMaterialVertical=null),null!==this.vsmShadowMapHorizontal&&(this.vsmShadowMapHorizontal.dispose(),this.vsmShadowMapHorizontal=null,this.vsmMaterialHorizontal.dispose(),this.vsmMaterialHorizontal=null)}updateBefore(e){const{shadow:t}=this;let r=t.needsUpdate||t.autoUpdate;r&&(this._cameraFrameId[e.camera]===e.frameId&&(r=!1),this._cameraFrameId[e.camera]=e.frameId),r&&(this.updateShadow(e),this.shadowMap.depthTexture.version===this._depthVersionCached&&(t.needsUpdate=!1))}}const Dv=(e,t)=>new Uv(e,t),Ov=new e,Iv=new a,Vv=new r,kv=new r,Gv=[new r(1,0,0),new r(-1,0,0),new r(0,-1,0),new r(0,1,0),new r(0,0,1),new r(0,0,-1)],zv=[new r(0,-1,0),new r(0,-1,0),new r(0,0,-1),new r(0,0,1),new r(0,-1,0),new r(0,-1,0)],$v=[new r(1,0,0),new r(-1,0,0),new r(0,1,0),new r(0,-1,0),new r(0,0,1),new r(0,0,-1)],Wv=[new r(0,-1,0),new r(0,-1,0),new r(0,0,1),new r(0,0,-1),new r(0,-1,0),new r(0,-1,0)],Hv=gn(({depthTexture:e,bd3D:t,dp:r})=>Qc(e,t).compare(r)),jv=gn(({depthTexture:e,bd3D:t,dp:r,shadow:s})=>{const i=Jc("radius","float",s).setGroup(Ea),n=Jc("mapSize","vec2",s).setGroup(Ea),a=i.div(n.x),o=zo(t),u=Ao(lu(t,o.x.greaterThan(o.z).select(An(0,1,0),An(1,0,0)))),l=lu(t,u),d=Yx(yd.xy).mul(6.28318530718),c=Qx(0,5,d),h=Qx(1,5,d),p=Qx(2,5,d),g=Qx(3,5,d),m=Qx(4,5,d);return Qc(e,t.add(u.mul(c.x).add(l.mul(c.y)).mul(a))).compare(r).add(Qc(e,t.add(u.mul(h.x).add(l.mul(h.y)).mul(a))).compare(r)).add(Qc(e,t.add(u.mul(p.x).add(l.mul(p.y)).mul(a))).compare(r)).add(Qc(e,t.add(u.mul(g.x).add(l.mul(g.y)).mul(a))).compare(r)).add(Qc(e,t.add(u.mul(m.x).add(l.mul(m.y)).mul(a))).compare(r)).mul(.2)}),qv=gn(({filterFn:e,depthTexture:t,shadowCoord:r,shadow:s},i)=>{const n=r.xyz.toConst(),a=n.abs().toConst(),o=a.x.max(a.y).max(a.z),u=Aa("float").setGroup(Ea).onRenderUpdate(()=>s.camera.near),l=Aa("float").setGroup(Ea).onRenderUpdate(()=>s.camera.far),d=Jc("bias","float",s).setGroup(Ea),c=Tn(1).toVar();return yn(o.sub(l).lessThanEqual(0).and(o.sub(u).greaterThanEqual(0)),()=>{let r;i.renderer.reversedDepthBuffer?(r=Ng(o.negate(),u,l),r.subAssign(d)):i.renderer.logarithmicDepthBuffer?(r=Eg(o.negate(),u,l),r.addAssign(d)):(r=vg(o.negate(),u,l),r.addAssign(d));const a=n.normalize();c.assign(e({depthTexture:t,bd3D:a,dp:r,shadow:s}))}),c});class Xv extends Uv{static get type(){return"PointShadowNode"}constructor(e,t=null){super(e,t)}getShadowFilterFn(e){return e===gt?Hv:jv}setupShadowCoord(e,t){return t}setupShadowFilter(e,{filterFn:t,depthTexture:r,shadowCoord:s,shadow:i}){return qv({filterFn:t,depthTexture:r,shadowCoord:s,shadow:i})}setupRenderTarget(e,t){const r=new mt(e.mapSize.width);r.name="PointShadowDepthTexture",r.compareFunction=t.renderer.reversedDepthBuffer?M:A;const s=t.createCubeRenderTarget(e.mapSize.width);return s.texture.name="PointShadowMap",s.depthTexture=r,{shadowMap:s,depthTexture:r}}renderShadow(e){const{shadow:t,shadowMap:r,light:s}=this,{renderer:i,scene:n}=e,a=t.camera,o=t.matrix,u=i.coordinateSystem===h,l=u?Gv:$v,d=u?zv:Wv;r.setSize(t.mapSize.width,t.mapSize.width);const c=i.autoClear,p=i.getClearColor(Ov),g=i.getClearAlpha();i.autoClear=!1,i.setClearColor(t.clearColor,t.clearAlpha);for(let e=0;e<6;e++){i.setRenderTarget(r,e),i.clear();const u=s.distance||a.far;u!==a.far&&(a.far=u,a.updateProjectionMatrix()),Vv.setFromMatrixPosition(s.matrixWorld),a.position.copy(Vv),kv.copy(a.position),kv.add(l[e]),a.up.copy(d[e]),a.lookAt(kv),a.updateMatrixWorld(),o.makeTranslation(-Vv.x,-Vv.y,-Vv.z),Iv.multiplyMatrices(a.projectionMatrix,a.matrixWorldInverse),t._frustum.setFromProjectionMatrix(Iv,a.coordinateSystem,a.reversedDepth);const c=n.name;n.name=`Point Light Shadow [ ${s.name||"ID: "+s.id} ] - Face ${e+1}`,i.render(n,a),n.name=c}i.autoClear=c,i.setClearColor(p,g)}}const Yv=(e,t)=>new Xv(e,t);class Qv extends ng{static get type(){return"AnalyticLightNode"}constructor(t=null){super(),this.light=t,this.color=new e,this.colorNode=t&&t.colorNode||Aa(this.color).setGroup(Ea),this.baseColorNode=null,this.shadowNode=null,this.shadowColorNode=null,this.isAnalyticLightNode=!0,this.updateType=ii.FRAME,t&&t.shadow&&(this._shadowDisposeListener=()=>{this.disposeShadow()},t.addEventListener("dispose",this._shadowDisposeListener))}dispose(){this._shadowDisposeListener&&this.light.removeEventListener("dispose",this._shadowDisposeListener),super.dispose()}disposeShadow(){null!==this.shadowNode&&(this.shadowNode.dispose(),this.shadowNode=null),this.shadowColorNode=null,null!==this.baseColorNode&&(this.colorNode=this.baseColorNode,this.baseColorNode=null)}getHash(){return this.light.uuid}getLightVector(e){return ev(this.light).sub(e.context.positionView||Tc)}setupDirect(){}setupDirectRectArea(){}setupShadowNode(){return Dv(this.light)}setupShadow(e){const{renderer:t}=e;if(!1===t.shadowMap.enabled)return;let r=this.shadowColorNode;if(null===r){const e=this.light.shadow.shadowNode;let t;t=void 0!==e?sn(e):this.setupShadowNode(),this.shadowNode=t,this.shadowColorNode=r=this.colorNode.mul(t),this.baseColorNode=this.colorNode}e.context.getShadow&&(r=e.context.getShadow(this,e)),this.colorNode=r}setup(e){this.colorNode=this.baseColorNode||this.colorNode,this.light.castShadow?e.object.receiveShadow&&this.setupShadow(e):null!==this.shadowNode&&(this.shadowNode.dispose(),this.shadowNode=null,this.shadowColorNode=null);const t=this.setupDirect(e),r=this.setupDirectRectArea(e);t&&e.lightsNode.setupDirectLight(e,this,t),r&&e.lightsNode.setupDirectRectAreaLight(e,this,r)}update(){const{light:e}=this;this.color.copy(e.color).multiplyScalar(e.intensity)}}const Kv=gn(({lightDistance:e,cutoffDistance:t,decayExponent:r})=>{const s=e.pow(r).max(.01).reciprocal();return t.greaterThan(0).select(s.mul(e.div(t).pow4().oneMinus().clamp().pow2()),s)}),Zv=({color:e,lightVector:t,cutoffDistance:r,decayExponent:s})=>{const i=t.normalize(),n=t.length(),a=Kv({lightDistance:n,cutoffDistance:r,decayExponent:s});return{lightDirection:i,lightColor:e.mul(a)}};class Jv extends Qv{static get type(){return"PointLightNode"}constructor(e=null){super(e),this.cutoffDistanceNode=Aa(0).setGroup(Ea),this.decayExponentNode=Aa(2).setGroup(Ea)}update(e){const{light:t}=this;super.update(e),this.cutoffDistanceNode.value=t.distance,this.decayExponentNode.value=t.decay}setupShadowNode(){return Yv(this.light)}setupDirect(e){return Zv({color:this.colorNode,lightVector:this.getLightVector(e),cutoffDistance:this.cutoffDistanceNode,decayExponent:this.decayExponentNode})}}const eN=gn(([e=ql()])=>{const t=e.mul(2),r=t.x.floor(),s=t.y.floor();return r.add(s).mod(2).sign()}),tN=gn(([e=ql()],{renderer:t,material:r})=>{const s=bu(e.mul(2).sub(1));let i;if(r.alphaToCoverage&&t.currentSamples>0){const e=Tn(s.fwidth()).toVar();i=Nu(e.oneMinus(),e.add(1),s).oneMinus()}else i=Lu(s.greaterThan(1),0,1);return i}),rN=gn(([e,t,r])=>{const s=Tn(r).toVar(),i=Tn(t).toVar(),n=Nn(e).toVar();return Lu(n,i,s).uniformFlow()}).setLayout({name:"mx_select",type:"float",inputs:[{name:"b",type:"bool"},{name:"t",type:"float"},{name:"f",type:"float"}]}),sN=gn(([e,t])=>{const r=Nn(t).toVar(),s=Tn(e).toVar();return Lu(r,s.negate(),s).uniformFlow()}).setLayout({name:"mx_negate_if",type:"float",inputs:[{name:"val",type:"float"},{name:"b",type:"bool"}]}),iN=gn(([e])=>{const t=Tn(e).toVar();return _n(Ro(t))}).setLayout({name:"mx_floor",type:"int",inputs:[{name:"x",type:"float"}]}),nN=gn(([e,t])=>{const r=Tn(e).toVar();return t.assign(iN(r)),r.sub(Tn(t))}),aN=px([gn(([e,t,r,s,i,n])=>{const a=Tn(n).toVar(),o=Tn(i).toVar(),u=Tn(s).toVar(),l=Tn(r).toVar(),d=Tn(t).toVar(),c=Tn(e).toVar(),h=Tn(Ia(1,o)).toVar();return Ia(1,a).mul(c.mul(h).add(d.mul(o))).add(a.mul(l.mul(h).add(u.mul(o))))}).setLayout({name:"mx_bilerp_0",type:"float",inputs:[{name:"v0",type:"float"},{name:"v1",type:"float"},{name:"v2",type:"float"},{name:"v3",type:"float"},{name:"s",type:"float"},{name:"t",type:"float"}]}),gn(([e,t,r,s,i,n])=>{const a=Tn(n).toVar(),o=Tn(i).toVar(),u=An(s).toVar(),l=An(r).toVar(),d=An(t).toVar(),c=An(e).toVar(),h=Tn(Ia(1,o)).toVar();return Ia(1,a).mul(c.mul(h).add(d.mul(o))).add(a.mul(l.mul(h).add(u.mul(o))))}).setLayout({name:"mx_bilerp_1",type:"vec3",inputs:[{name:"v0",type:"vec3"},{name:"v1",type:"vec3"},{name:"v2",type:"vec3"},{name:"v3",type:"vec3"},{name:"s",type:"float"},{name:"t",type:"float"}]})]),oN=px([gn(([e,t,r,s,i,n,a,o,u,l,d])=>{const c=Tn(d).toVar(),h=Tn(l).toVar(),p=Tn(u).toVar(),g=Tn(o).toVar(),m=Tn(a).toVar(),f=Tn(n).toVar(),y=Tn(i).toVar(),b=Tn(s).toVar(),x=Tn(r).toVar(),T=Tn(t).toVar(),_=Tn(e).toVar(),v=Tn(Ia(1,p)).toVar(),N=Tn(Ia(1,h)).toVar();return Tn(Ia(1,c)).toVar().mul(N.mul(_.mul(v).add(T.mul(p))).add(h.mul(x.mul(v).add(b.mul(p))))).add(c.mul(N.mul(y.mul(v).add(f.mul(p))).add(h.mul(m.mul(v).add(g.mul(p))))))}).setLayout({name:"mx_trilerp_0",type:"float",inputs:[{name:"v0",type:"float"},{name:"v1",type:"float"},{name:"v2",type:"float"},{name:"v3",type:"float"},{name:"v4",type:"float"},{name:"v5",type:"float"},{name:"v6",type:"float"},{name:"v7",type:"float"},{name:"s",type:"float"},{name:"t",type:"float"},{name:"r",type:"float"}]}),gn(([e,t,r,s,i,n,a,o,u,l,d])=>{const c=Tn(d).toVar(),h=Tn(l).toVar(),p=Tn(u).toVar(),g=An(o).toVar(),m=An(a).toVar(),f=An(n).toVar(),y=An(i).toVar(),b=An(s).toVar(),x=An(r).toVar(),T=An(t).toVar(),_=An(e).toVar(),v=Tn(Ia(1,p)).toVar(),N=Tn(Ia(1,h)).toVar();return Tn(Ia(1,c)).toVar().mul(N.mul(_.mul(v).add(T.mul(p))).add(h.mul(x.mul(v).add(b.mul(p))))).add(c.mul(N.mul(y.mul(v).add(f.mul(p))).add(h.mul(m.mul(v).add(g.mul(p))))))}).setLayout({name:"mx_trilerp_1",type:"vec3",inputs:[{name:"v0",type:"vec3"},{name:"v1",type:"vec3"},{name:"v2",type:"vec3"},{name:"v3",type:"vec3"},{name:"v4",type:"vec3"},{name:"v5",type:"vec3"},{name:"v6",type:"vec3"},{name:"v7",type:"vec3"},{name:"s",type:"float"},{name:"t",type:"float"},{name:"r",type:"float"}]})]),uN=gn(([e,t,r])=>{const s=Tn(r).toVar(),i=Tn(t).toVar(),n=vn(e).toVar(),a=vn(n.bitAnd(vn(7))).toVar(),o=Tn(rN(a.lessThan(vn(4)),i,s)).toVar(),u=Tn(Va(2,rN(a.lessThan(vn(4)),s,i))).toVar();return sN(o,Nn(a.bitAnd(vn(1)))).add(sN(u,Nn(a.bitAnd(vn(2)))))}).setLayout({name:"mx_gradient_float_0",type:"float",inputs:[{name:"hash",type:"uint"},{name:"x",type:"float"},{name:"y",type:"float"}]}),lN=gn(([e,t,r,s])=>{const i=Tn(s).toVar(),n=Tn(r).toVar(),a=Tn(t).toVar(),o=vn(e).toVar(),u=vn(o.bitAnd(vn(15))).toVar(),l=Tn(rN(u.lessThan(vn(8)),a,n)).toVar(),d=Tn(rN(u.lessThan(vn(4)),n,rN(u.equal(vn(12)).or(u.equal(vn(14))),a,i))).toVar();return sN(l,Nn(u.bitAnd(vn(1)))).add(sN(d,Nn(u.bitAnd(vn(2)))))}).setLayout({name:"mx_gradient_float_1",type:"float",inputs:[{name:"hash",type:"uint"},{name:"x",type:"float"},{name:"y",type:"float"},{name:"z",type:"float"}]}),dN=px([uN,lN]),cN=gn(([e,t,r])=>{const s=Tn(r).toVar(),i=Tn(t).toVar(),n=Mn(e).toVar();return An(dN(n.x,i,s),dN(n.y,i,s),dN(n.z,i,s))}).setLayout({name:"mx_gradient_vec3_0",type:"vec3",inputs:[{name:"hash",type:"uvec3"},{name:"x",type:"float"},{name:"y",type:"float"}]}),hN=gn(([e,t,r,s])=>{const i=Tn(s).toVar(),n=Tn(r).toVar(),a=Tn(t).toVar(),o=Mn(e).toVar();return An(dN(o.x,a,n,i),dN(o.y,a,n,i),dN(o.z,a,n,i))}).setLayout({name:"mx_gradient_vec3_1",type:"vec3",inputs:[{name:"hash",type:"uvec3"},{name:"x",type:"float"},{name:"y",type:"float"},{name:"z",type:"float"}]}),pN=px([cN,hN]),gN=gn(([e])=>{const t=Tn(e).toVar();return Va(.6616,t)}).setLayout({name:"mx_gradient_scale2d_0",type:"float",inputs:[{name:"v",type:"float"}]}),mN=gn(([e])=>{const t=Tn(e).toVar();return Va(.982,t)}).setLayout({name:"mx_gradient_scale3d_0",type:"float",inputs:[{name:"v",type:"float"}]}),fN=px([gN,gn(([e])=>{const t=An(e).toVar();return Va(.6616,t)}).setLayout({name:"mx_gradient_scale2d_1",type:"vec3",inputs:[{name:"v",type:"vec3"}]})]),yN=px([mN,gn(([e])=>{const t=An(e).toVar();return Va(.982,t)}).setLayout({name:"mx_gradient_scale3d_1",type:"vec3",inputs:[{name:"v",type:"vec3"}]})]),bN=gn(([e,t])=>{const r=_n(t).toVar(),s=vn(e).toVar();return s.shiftLeft(r).bitOr(s.shiftRight(_n(32).sub(r)))}).setLayout({name:"mx_rotl32",type:"uint",inputs:[{name:"x",type:"uint"},{name:"k",type:"int"}]}),xN=gn(([e,t,r])=>{e.subAssign(r),e.bitXorAssign(bN(r,_n(4))),r.addAssign(t),t.subAssign(e),t.bitXorAssign(bN(e,_n(6))),e.addAssign(r),r.subAssign(t),r.bitXorAssign(bN(t,_n(8))),t.addAssign(e),e.subAssign(r),e.bitXorAssign(bN(r,_n(16))),r.addAssign(t),t.subAssign(e),t.bitXorAssign(bN(e,_n(19))),e.addAssign(r),r.subAssign(t),r.bitXorAssign(bN(t,_n(4))),t.addAssign(e)}),TN=gn(([e,t,r])=>{const s=vn(r).toVar(),i=vn(t).toVar(),n=vn(e).toVar();return s.bitXorAssign(i),s.subAssign(bN(i,_n(14))),n.bitXorAssign(s),n.subAssign(bN(s,_n(11))),i.bitXorAssign(n),i.subAssign(bN(n,_n(25))),s.bitXorAssign(i),s.subAssign(bN(i,_n(16))),n.bitXorAssign(s),n.subAssign(bN(s,_n(4))),i.bitXorAssign(n),i.subAssign(bN(n,_n(14))),s.bitXorAssign(i),s.subAssign(bN(i,_n(24))),s}).setLayout({name:"mx_bjfinal",type:"uint",inputs:[{name:"a",type:"uint"},{name:"b",type:"uint"},{name:"c",type:"uint"}]}),_N=gn(([e])=>{const t=vn(e).toVar();return Tn(t).div(Tn(vn(_n(4294967295))))}).setLayout({name:"mx_bits_to_01",type:"float",inputs:[{name:"bits",type:"uint"}]}),vN=gn(([e])=>{const t=Tn(e).toVar();return t.mul(t).mul(t).mul(t.mul(t.mul(6).sub(15)).add(10))}).setLayout({name:"mx_fade",type:"float",inputs:[{name:"t",type:"float"}]}),NN=px([gn(([e])=>{const t=_n(e).toVar(),r=vn(vn(1)).toVar(),s=vn(vn(_n(3735928559)).add(r.shiftLeft(vn(2))).add(vn(13))).toVar();return TN(s.add(vn(t)),s,s)}).setLayout({name:"mx_hash_int_0",type:"uint",inputs:[{name:"x",type:"int"}]}),gn(([e,t])=>{const r=_n(t).toVar(),s=_n(e).toVar(),i=vn(vn(2)).toVar(),n=vn().toVar(),a=vn().toVar(),o=vn().toVar();return n.assign(a.assign(o.assign(vn(_n(3735928559)).add(i.shiftLeft(vn(2))).add(vn(13))))),n.addAssign(vn(s)),a.addAssign(vn(r)),TN(n,a,o)}).setLayout({name:"mx_hash_int_1",type:"uint",inputs:[{name:"x",type:"int"},{name:"y",type:"int"}]}),gn(([e,t,r])=>{const s=_n(r).toVar(),i=_n(t).toVar(),n=_n(e).toVar(),a=vn(vn(3)).toVar(),o=vn().toVar(),u=vn().toVar(),l=vn().toVar();return o.assign(u.assign(l.assign(vn(_n(3735928559)).add(a.shiftLeft(vn(2))).add(vn(13))))),o.addAssign(vn(n)),u.addAssign(vn(i)),l.addAssign(vn(s)),TN(o,u,l)}).setLayout({name:"mx_hash_int_2",type:"uint",inputs:[{name:"x",type:"int"},{name:"y",type:"int"},{name:"z",type:"int"}]}),gn(([e,t,r,s])=>{const i=_n(s).toVar(),n=_n(r).toVar(),a=_n(t).toVar(),o=_n(e).toVar(),u=vn(vn(4)).toVar(),l=vn().toVar(),d=vn().toVar(),c=vn().toVar();return l.assign(d.assign(c.assign(vn(_n(3735928559)).add(u.shiftLeft(vn(2))).add(vn(13))))),l.addAssign(vn(o)),d.addAssign(vn(a)),c.addAssign(vn(n)),xN(l,d,c),l.addAssign(vn(i)),TN(l,d,c)}).setLayout({name:"mx_hash_int_3",type:"uint",inputs:[{name:"x",type:"int"},{name:"y",type:"int"},{name:"z",type:"int"},{name:"xx",type:"int"}]}),gn(([e,t,r,s,i])=>{const n=_n(i).toVar(),a=_n(s).toVar(),o=_n(r).toVar(),u=_n(t).toVar(),l=_n(e).toVar(),d=vn(vn(5)).toVar(),c=vn().toVar(),h=vn().toVar(),p=vn().toVar();return c.assign(h.assign(p.assign(vn(_n(3735928559)).add(d.shiftLeft(vn(2))).add(vn(13))))),c.addAssign(vn(l)),h.addAssign(vn(u)),p.addAssign(vn(o)),xN(c,h,p),c.addAssign(vn(a)),h.addAssign(vn(n)),TN(c,h,p)}).setLayout({name:"mx_hash_int_4",type:"uint",inputs:[{name:"x",type:"int"},{name:"y",type:"int"},{name:"z",type:"int"},{name:"xx",type:"int"},{name:"yy",type:"int"}]})]),SN=px([gn(([e,t])=>{const r=_n(t).toVar(),s=_n(e).toVar(),i=vn(NN(s,r)).toVar(),n=Mn().toVar();return n.x.assign(i.bitAnd(_n(255))),n.y.assign(i.shiftRight(_n(8)).bitAnd(_n(255))),n.z.assign(i.shiftRight(_n(16)).bitAnd(_n(255))),n}).setLayout({name:"mx_hash_vec3_0",type:"uvec3",inputs:[{name:"x",type:"int"},{name:"y",type:"int"}]}),gn(([e,t,r])=>{const s=_n(r).toVar(),i=_n(t).toVar(),n=_n(e).toVar(),a=vn(NN(n,i,s)).toVar(),o=Mn().toVar();return o.x.assign(a.bitAnd(_n(255))),o.y.assign(a.shiftRight(_n(8)).bitAnd(_n(255))),o.z.assign(a.shiftRight(_n(16)).bitAnd(_n(255))),o}).setLayout({name:"mx_hash_vec3_1",type:"uvec3",inputs:[{name:"x",type:"int"},{name:"y",type:"int"},{name:"z",type:"int"}]})]),EN=px([gn(([e])=>{const t=Sn(e).toVar(),r=_n().toVar(),s=_n().toVar(),i=Tn(nN(t.x,r)).toVar(),n=Tn(nN(t.y,s)).toVar(),a=Tn(vN(i)).toVar(),o=Tn(vN(n)).toVar(),u=Tn(aN(dN(NN(r,s),i,n),dN(NN(r.add(_n(1)),s),i.sub(1),n),dN(NN(r,s.add(_n(1))),i,n.sub(1)),dN(NN(r.add(_n(1)),s.add(_n(1))),i.sub(1),n.sub(1)),a,o)).toVar();return fN(u)}).setLayout({name:"mx_perlin_noise_float_0",type:"float",inputs:[{name:"p",type:"vec2"}]}),gn(([e])=>{const t=An(e).toVar(),r=_n().toVar(),s=_n().toVar(),i=_n().toVar(),n=Tn(nN(t.x,r)).toVar(),a=Tn(nN(t.y,s)).toVar(),o=Tn(nN(t.z,i)).toVar(),u=Tn(vN(n)).toVar(),l=Tn(vN(a)).toVar(),d=Tn(vN(o)).toVar(),c=Tn(oN(dN(NN(r,s,i),n,a,o),dN(NN(r.add(_n(1)),s,i),n.sub(1),a,o),dN(NN(r,s.add(_n(1)),i),n,a.sub(1),o),dN(NN(r.add(_n(1)),s.add(_n(1)),i),n.sub(1),a.sub(1),o),dN(NN(r,s,i.add(_n(1))),n,a,o.sub(1)),dN(NN(r.add(_n(1)),s,i.add(_n(1))),n.sub(1),a,o.sub(1)),dN(NN(r,s.add(_n(1)),i.add(_n(1))),n,a.sub(1),o.sub(1)),dN(NN(r.add(_n(1)),s.add(_n(1)),i.add(_n(1))),n.sub(1),a.sub(1),o.sub(1)),u,l,d)).toVar();return yN(c)}).setLayout({name:"mx_perlin_noise_float_1",type:"float",inputs:[{name:"p",type:"vec3"}]})]),RN=px([gn(([e])=>{const t=Sn(e).toVar(),r=_n().toVar(),s=_n().toVar(),i=Tn(nN(t.x,r)).toVar(),n=Tn(nN(t.y,s)).toVar(),a=Tn(vN(i)).toVar(),o=Tn(vN(n)).toVar(),u=An(aN(pN(SN(r,s),i,n),pN(SN(r.add(_n(1)),s),i.sub(1),n),pN(SN(r,s.add(_n(1))),i,n.sub(1)),pN(SN(r.add(_n(1)),s.add(_n(1))),i.sub(1),n.sub(1)),a,o)).toVar();return fN(u)}).setLayout({name:"mx_perlin_noise_vec3_0",type:"vec3",inputs:[{name:"p",type:"vec2"}]}),gn(([e])=>{const 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x(){i.removeEventListener("dispose",x),d.material.dispose(),d.geometry.dispose()}b.name="Background.material",b.side=F,b.depthTest=!1,b.depthWrite=!1,b.allowOverride=!1,b.fog=!1,b.lights=!1,b.vertexNode=y,b.colorNode=h,u.backgroundMeshNode=h,u.backgroundMesh=d=new oe(new ft(1,32,32),b),d.frustumCulled=!1,d.name="Background.mesh",i.addEventListener("dispose",x)}const c=l.getCacheKey();u.backgroundCacheKey!==c&&(u.backgroundMeshNode.node=Ln(l).mul(iT),u.backgroundMeshNode.needsUpdate=!0,d.material.needsUpdate=!0,u.backgroundCacheKey=c),t.unshift(d,d.geometry,d.material,0,0,null,null)}else o("Renderer: Unsupported background configuration.",i);const a=s.xr.getEnvironmentBlendMode();if("additive"===a?KN.set(0,0,0,1):"alpha-blend"===a&&KN.set(0,0,0,0),!0===s.autoClear||!0===n){const T=r.clearColorValue;T.r=KN.r,T.g=KN.g,T.b=KN.b,T.a=KN.a,!0!==s.backend.isWebGLBackend&&!0!==s.alpha||(T.r*=T.a,T.g*=T.a,T.b*=T.a),r.depthClearValue=s.getClearDepth(),r.stencilClearValue=s.getClearStencil(),r.clearColor=!0===s.autoClearColor,r.clearDepth=!0===s.autoClearDepth,r.clearStencil=!0===s.autoClearStencil}else r.clearColor=!1,r.clearDepth=!1,r.clearStencil=!1}}let JN=0;class eS{constructor(e="",t=[]){this.name=e,this.bindings=t,this.id=JN++}}class tS{constructor(e,t,r,s,i,n,a,o,u,l,d=[]){this.vertexShader=e,this.fragmentShader=t,this.computeShader=r,this.transforms=d,this.nodeAttributes=s,this.bindings=i,this.updateNodes=n,this.updateBeforeNodes=a,this.updateAfterNodes=o,this.observer=u,this.hardwareClipping=l,this.usedTimes=0}createBindings(){const e=[];for(const t of this.bindings){if(!0!==t.bindings[0].groupNode.shared){const r=new eS(t.name,[]);e.push(r);for(const e of t.bindings)r.bindings.push(e.clone())}else e.push(t)}return e}}class rS{constructor(e,t,r=null){this.isNodeAttribute=!0,this.name=e,this.type=t,this.node=r}}class sS{constructor(e,t,r){this.isNodeUniform=!0,this.name=e,this.type=t,this.node=r}get value(){return this.node.value}set value(e){this.node.value=e}get id(){return this.node.id}get groupNode(){return this.node.groupNode}}class iS{constructor(e,t,r=!1,s=null){this.isNodeVar=!0,this.name=e,this.type=t,this.readOnly=r,this.count=s}}class nS extends iS{constructor(e,t,r=null,s=null){super(e,t),this.needsInterpolation=!1,this.isNodeVarying=!0,this.interpolationType=r,this.interpolationSampling=s}}class aS{constructor(e,t,r=""){this.name=e,this.type=t,this.code=r,Object.defineProperty(this,"isNodeCode",{value:!0})}}let oS=0;class uS{constructor(e=null){this.id=oS++,this.nodesData=new WeakMap,this.parent=e}getData(e){let t=this.nodesData.get(e);return void 0===t&&null!==this.parent&&(t=this.parent.getData(e)),t}setData(e,t){this.nodesData.set(e,t)}}class lS{constructor(e,t){this.name=e,this.members=t,this.output=!1}}class dS{constructor(e,t){this.name=e,this.value=t,this.boundary=0,this.itemSize=0,this.offset=0,this.index=-1}setValue(e){this.value=e}getValue(){return this.value}}class cS extends dS{constructor(e,t=0){super(e,t),this.isNumberUniform=!0,this.boundary=4,this.itemSize=1}}class hS extends dS{constructor(e,r=new t){super(e,r),this.isVector2Uniform=!0,this.boundary=8,this.itemSize=2}}class pS extends dS{constructor(e,t=new r){super(e,t),this.isVector3Uniform=!0,this.boundary=16,this.itemSize=3}}class gS extends dS{constructor(e,t=new s){super(e,t),this.isVector4Uniform=!0,this.boundary=16,this.itemSize=4}}class mS extends dS{constructor(t,r=new e){super(t,r),this.isColorUniform=!0,this.boundary=16,this.itemSize=3}}class fS extends dS{constructor(e,t=new i){super(e,t),this.isMatrix2Uniform=!0,this.boundary=8,this.itemSize=4}}class yS extends dS{constructor(e,t=new n){super(e,t),this.isMatrix3Uniform=!0,this.boundary=48,this.itemSize=12}}class bS extends dS{constructor(e,t=new a){super(e,t),this.isMatrix4Uniform=!0,this.boundary=64,this.itemSize=16}}class xS extends cS{constructor(e){super(e.name,e.value),this.nodeUniform=e}getValue(){return this.nodeUniform.value}getType(){return this.nodeUniform.type}}class TS extends hS{constructor(e){super(e.name,e.value),this.nodeUniform=e}getValue(){return this.nodeUniform.value}getType(){return this.nodeUniform.type}}class _S extends pS{constructor(e){super(e.name,e.value),this.nodeUniform=e}getValue(){return this.nodeUniform.value}getType(){return this.nodeUniform.type}}class vS extends gS{constructor(e){super(e.name,e.value),this.nodeUniform=e}getValue(){return this.nodeUniform.value}getType(){return this.nodeUniform.type}}class NS extends mS{constructor(e){super(e.name,e.value),this.nodeUniform=e}getValue(){return this.nodeUniform.value}getType(){return this.nodeUniform.type}}class SS extends fS{constructor(e){super(e.name,e.value),this.nodeUniform=e}getValue(){return this.nodeUniform.value}getType(){return this.nodeUniform.type}}class ES extends yS{constructor(e){super(e.name,e.value),this.nodeUniform=e}getValue(){return this.nodeUniform.value}getType(){return this.nodeUniform.type}}class RS extends bS{constructor(e){super(e.name,e.value),this.nodeUniform=e}getValue(){return this.nodeUniform.value}getType(){return this.nodeUniform.type}}let wS=0;const AS=new WeakMap,CS=new WeakMap,MS=new WeakMap,BS=new Map([[Int8Array,"int"],[Int16Array,"int"],[Int32Array,"int"],[Uint8Array,"uint"],[Uint16Array,"uint"],[Uint32Array,"uint"],[Float32Array,"float"]]),LS=e=>/e/g.test(e)?String(e).replace(/\+/g,""):(e=Number(e))+(e%1?"":".0"),FS=e=>{if(e.writeUsageCount>0)return!0;if(void 0!==e.subBuildsCache)for(const t in e.subBuildsCache)if(FS(e.subBuildsCache[t]))return!0;return!1};class PS{constructor(e,t,r){this.object=e,this.material=e&&e.material||null,this.geometry=e&&e.geometry||null,this.renderer=t,this.parser=r,this.scene=null,this.camera=null,this.nodes=new Set,this.sequentialNodes=new Set,this.updateNodes=[],this.updateBeforeNodes=[],this.updateAfterNodes=[],this.hashNodes={},this.observer=null,this.lightsNode=null,this.environmentNode=null,this.fogNode=null,this.clippingContext=null,this.hardwareClipping=!1,this.vertexShader=null,this.fragmentShader=null,this.computeShader=null,this.flowNodes={vertex:[],fragment:[],compute:[]},this.flowCode={vertex:"",fragment:"",compute:""},this.uniforms={vertex:[],fragment:[],compute:[],index:0},this.structs={vertex:[],fragment:[],compute:[],index:0},this.types={vertex:[],fragment:[],compute:[],index:0},this.bindings={vertex:{},fragment:{},compute:{}},this.bindingsIndexes={},this.bindGroups=null,this.attributes=[],this.bufferAttributes=[],this.varyings=[],this.codes={},this.vars={},this.declarations={},this.flow={code:""},this.chaining=[],this.stack=Fb(),this.stacks=[],this.tab="\t",this.currentFunctionNode=null,this.context={material:this.material},this.cache=new uS,this.globalCache=this.cache,this.flowsData=new WeakMap,this.shaderStage=null,this.buildStage=null,this.subBuildLayers=[],this.activeStacks=[],this.subBuildFn=null,this.fnCall=null,Object.defineProperty(this,"id",{value:wS++})}isFlatShading(){return!0===this.material.flatShading||!1===this.geometry.hasAttribute("normal")}isOpaque(){const e=this.material;return!1===e.transparent&&e.blending===tt&&!1===e.alphaToCoverage}createRenderTarget(e,t,r){return new ne(e,t,r)}createCubeRenderTarget(e,t){return new tm(e,t)}includes(e){return this.nodes.has(e)}getOutputType(e=0){let t="vec4";const r=this.renderer.getRenderTarget();if(null!==r){const s=r.textures[e].type,i=r.textures[e].format;let n="vec";s===E?n="ivec":s===S&&(n="uvec"),t=i===$e||i===We?s===E?"int":s===S?"uint":"float":i===$||i===qe?`${n}2`:i===Xe||i===Ye?`${n}3`:`${n}4`}return t}getOutputStructName(){}_getBindGroup(e,t){const r=t[0].groupNode;let s,i=r.shared;if(i)for(let e=1;ee.nodeUniform.node.id-t.nodeUniform.node.id);for(const t of e.uniforms)r+=t.nodeUniform.node.id}else r+=e.nodeUniform.id;const i=this.renderer._currentRenderContext||this.renderer;let n=AS.get(i);void 0===n&&(n=new Map,AS.set(i,n));const a=Gs(r);s=n.get(a),void 0===s&&(s=new eS(e,t),n.set(a,s))}else s=new eS(e,t);return s}getBindGroupArray(e,t){const r=this.bindings[t];let s=r[e];return void 0===s&&(void 0===this.bindingsIndexes[e]&&(this.bindingsIndexes[e]={binding:0,group:Object.keys(this.bindingsIndexes).length}),r[e]=s=[]),s}getBindings(){let e=this.bindGroups;if(null===e){const t={},r=this.bindings;for(const e of li)for(const s in r[e]){const i=r[e][s],n=t[s]||(t[s]=[]);for(const e of i)!1===n.includes(e)&&n.push(e)}e=[];for(const r in t){const s=t[r],i=this._getBindGroup(r,s);e.push(i)}this.bindGroups=e}return e}sortBindingGroups(){const e=this.getBindings();e.sort((e,t)=>e.bindings[0].groupNode.order-t.bindings[0].groupNode.order);for(let t=0;t=0?`${Math.round(n)}u`:"0u";if("bool"===i)return n?"true":"false";if("color"===i)return`${this.getType("vec3")}( ${LS(n.r)}, ${LS(n.g)}, ${LS(n.b)} )`;const a=this.getTypeLength(i),o=this.getComponentType(i),u=e=>this.generateConst(o,e);if(2===a)return`${this.getType(i)}( ${u(n.x)}, ${u(n.y)} )`;if(3===a)return`${this.getType(i)}( ${u(n.x)}, ${u(n.y)}, ${u(n.z)} )`;if(4===a&&"mat2"!==i)return`${this.getType(i)}( ${u(n.x)}, ${u(n.y)}, ${u(n.z)}, ${u(n.w)} )`;if(a>=4&&n&&(n.isMatrix2||n.isMatrix3||n.isMatrix4))return`${this.getType(i)}( ${n.elements.map(u).join(", ")} )`;if(a>4)return`${this.getType(i)}()`;throw new Error(`THREE.NodeBuilder: Type '${i}' not found in generate constant attempt.`)}getType(e){return"color"===e?"vec3":e}hasGeometryAttribute(e){return this.geometry&&void 0!==this.geometry.getAttribute(e)}getAttribute(e,t){const r=this.attributes;for(const t of r)if(t.name===e)return t;const s=new rS(e,t);return this.registerDeclaration(s),r.push(s),s}getPropertyName(e){return e.name}isVector(e){return/vec\d/.test(e)}isMatrix(e){return/mat\d/.test(e)}isReference(e){return"void"===e||"property"===e||"sampler"===e||"samplerComparison"===e||"texture"===e||"cubeTexture"===e||"storageTexture"===e||"depthTexture"===e||"texture3D"===e}needsToWorkingColorSpace(){return!1}getComponentTypeFromTexture(e){const t=e.type;return!0===e.isDepthTexture?"float":t===E?"int":t===S?"uint":"float"}getElementType(e){return"mat2"===e?"vec2":"mat3"===e?"vec3":"mat4"===e?"vec4":this.getComponentType(e)}getComponentType(e){if("float"===(e=this.getVectorType(e))||"bool"===e||"int"===e||"uint"===e)return e;const t=/(b|i|u|)(vec|mat)([2-4])/.exec(e);return null===t?null:"b"===t[1]?"bool":"i"===t[1]?"int":"u"===t[1]?"uint":"float"}getVectorType(e){return"color"===e?"vec3":"texture"===e||"cubeTexture"===e||"storageTexture"===e||"texture3D"===e?"vec4":e}getTypeFromLength(e,t="float"){if(1===e)return t;let r=js(e);const s="float"===t?"":t[0];return!0===/mat2/.test(t)&&(r=r.replace("vec","mat")),s+r}getTypeFromArray(e){return BS.get(e.constructor)}isInteger(e){return/int|uint|(i|u)vec/.test(e)}getTypeFromAttribute(e){let t=e;e.isInterleavedBufferAttribute&&(t=e.data);const r=t.array,s=e.itemSize,i=e.normalized;let n;return e instanceof xt||!0===i||(n=this.getTypeFromArray(r)),this.getTypeFromLength(s,n)}getTypeLength(e){const t=this.getVectorType(e),r=/vec([2-4])/.exec(t);return null!==r?Number(r[1]):"float"===t||"bool"===t||"int"===t||"uint"===t?1:!0===/mat2/.test(e)?4:!0===/mat3/.test(e)?9:!0===/mat4/.test(e)?16:0}getVectorFromMatrix(e){return e.replace("mat","vec")}changeComponentType(e,t){return this.getTypeFromLength(this.getTypeLength(e),t)}getIntegerType(e){const t=this.getComponentType(e);return"int"===t||"uint"===t?e:this.changeComponentType(e,"int")}setActiveStack(e){this.activeStacks.push(e)}removeActiveStack(e){if(this.activeStacks[this.activeStacks.length-1]!==e)throw new Error("THREE.NodeBuilder: Invalid active stack removal.");this.activeStacks.pop()}getActiveStack(){return this.activeStacks[this.activeStacks.length-1]}getBaseStack(){return this.activeStacks[0]}addStack(){this.stack=Fb(this.stack);const e=fn();return this.stacks.push(e),mn(this.stack),this.stack}removeStack(){const e=this.stack;for(const t of e.nodes){this.getDataFromNode(t).stack=e}return this.stack=e.parent,mn(this.stacks.pop()),e}getDataFromNode(e,t=this.shaderStage,r=null){let s=(r=null===r?e.isGlobal(this)?this.globalCache:this.cache:r).getData(e);void 0===s&&(s={},r.setData(e,s)),void 0===s[t]&&(s[t]={});let i=s[t];if(0===this.subBuildLayers.length)return i;const n=s.any?s.any.subBuilds:null,a=this.getClosestSubBuild(n);return a&&(void 0===i.subBuildsCache&&(i.subBuildsCache={}),i=i.subBuildsCache[a]||(i.subBuildsCache[a]={}),i.subBuilds=n),i}getNodeProperties(e,t="any"){const r=this.getDataFromNode(e,t);return r.properties||(r.properties={outputNode:null})}getBufferAttributeFromNode(e,t,r=null){const s=this.getDataFromNode(e,"vertex");let i=s.bufferAttribute;if(void 0===i){const n=this.uniforms.index++;null===r&&(r="nodeAttribute"+n),i=new rS(r,t,e),this.bufferAttributes.push(i),s.bufferAttribute=i}return i}getStructTypeNode(e,t=this.shaderStage){return this.types[t][e]||null}getStructTypeFromNode(e,t,r=null,s=this.shaderStage){const i=this.getDataFromNode(e,s,this.globalCache);let n=i.structType;if(void 0===n){const a=this.structs.index++;null===r&&(r="StructType"+a),n=new lS(r,t),this.structs[s].push(n),this.types[s][r]=e,i.structType=n}return n}getOutputStructTypeFromNode(e,t){const r=this.getStructTypeFromNode(e,t,"OutputType","fragment");return r.output=!0,r}getUniformFromNode(e,t,r=this.shaderStage,s=null){const i=this.getDataFromNode(e,r,this.globalCache);let n=i.uniform;if(void 0===n){const a=this.uniforms.index++;n=new sS(s||"nodeUniform"+a,t,e),this.uniforms[r].push(n),this.registerDeclaration(n),i.uniform=n}return n}getVarFromNode(e,t=null,r=e.getNodeType(this),s=this.shaderStage,i=!1){const n=this.getDataFromNode(e,s),a=this.getSubBuildProperty("variable",n.subBuilds);let o=n[a];if(void 0===o){const u=i?"_const":"_var",l=this.vars[s]||(this.vars[s]=[]),d=this.vars[u]||(this.vars[u]=0);null===t&&(t=(i?"nodeConst":"nodeVar")+d,this.vars[u]++),"variable"!==a&&(t=this.getSubBuildProperty(t,n.subBuilds));const c=e.getArrayCount(this);o=new iS(t,r,i,c),i||l.push(o),this.registerDeclaration(o),n[a]=o}return o}isDeterministic(e){if(e.isMathNode)return this.isDeterministic(e.aNode)&&(!e.bNode||this.isDeterministic(e.bNode))&&(!e.cNode||this.isDeterministic(e.cNode));if(e.isOperatorNode)return this.isDeterministic(e.aNode)&&(!e.bNode||this.isDeterministic(e.bNode));if(e.isArrayNode){if(null!==e.values)for(const t of e.values)if(!this.isDeterministic(t))return!1;return!0}return!!e.isConstNode}getVaryingFromNode(e,t=null,r=e.getNodeType(this),s=null,i=null){const n=this.getDataFromNode(e,"any"),a=this.getSubBuildProperty("varying",n.subBuilds);let o=n[a];if(void 0===o){const e=this.varyings,u=e.length;null===t&&(t="nodeVarying"+u),"varying"!==a&&(t=this.getSubBuildProperty(t,n.subBuilds)),o=new nS(t,r,s,i),e.push(o),this.registerDeclaration(o),n[a]=o}return o}registerDeclaration(e){const t=this.shaderStage,r=this.declarations[t]||(this.declarations[t]={}),s=e.name;let i=s,n=this.getPropertyName(e),a=1;for(;void 0!==r[n];)i=s+"_"+a++,e.name=i,n=this.getPropertyName(e);i!==s&&d(`TSL: Declaration name '${s}' of '${e.type}' already in use. Renamed to '${i}'.`),r[n]=e}getCodeFromNode(e,t,r=this.shaderStage){const s=this.getDataFromNode(e);let i=s.code;if(void 0===i){const e=this.codes[r]||(this.codes[r]=[]),n=e.length;i=new aS("nodeCode"+n,t),e.push(i),s.code=i}return i}addFlowCodeHierarchy(e,t){const{flowCodes:r,flowCodeBlock:s}=this.getDataFromNode(e);let i=!0,n=t;for(;n;){if(!0===s.get(n)){i=!1;break}n=this.getDataFromNode(n).parentNodeBlock}if(i)for(const e of r)this.addLineFlowCode(e)}addLineFlowCodeBlock(e,t,r){const s=this.getDataFromNode(e),i=s.flowCodes||(s.flowCodes=[]),n=s.flowCodeBlock||(s.flowCodeBlock=new WeakMap);i.push(t),n.set(r,!0)}addLineFlowCode(e,t=null){return""===e||(null!==t&&this.context.nodeBlock&&this.addLineFlowCodeBlock(t,e,this.context.nodeBlock),e=this.tab+e,/;\s*$/.test(e)||(e+=";\n"),this.flow.code+=e),this}addFlowCode(e){return this.flow.code+=e,this}addFlowTab(){return this.tab+="\t",this}removeFlowTab(){return this.tab=this.tab.slice(0,-1),this}getFlowData(e){return this.flowsData.get(e)}flowNode(e){const t=e.getNodeType(this),r=this.flowChildNode(e,t);return this.flowsData.set(e,r),r}addInclude(e){null!==this.currentFunctionNode&&this.currentFunctionNode.includes.push(e)}buildFunctionNode(e){const t=this.renderer.backend;let r=CS.get(t);void 0===r&&(r=new WeakMap,CS.set(t,r));let s=r.get(e);if(void 0===s){s=new KT;const t=this.currentFunctionNode;this.currentFunctionNode=s,s.code=this.buildFunctionCode(e),this.currentFunctionNode=t,r.set(e,s)}return s}flowShaderNode(e){const t=e.layout,r={[Symbol.iterator](){let e=0;const t=Object.values(this);return{next:()=>({value:t[e],done:e++>=t.length})}}};for(const e of t.inputs)r[e.name]=new Bb(e.type,e.name);e.layout=null;const s=e.call(r),i=this.flowStagesNode(s,t.type);return e.layout=t,i}flowBuildStage(e,t,r=null){const s=this.getBuildStage();this.setBuildStage(t);const i=e.build(this,r);return this.setBuildStage(s),i}flowStagesNode(e,t=null){const r=this.flow,s=this.vars,i=this.declarations,n=this.cache,a=this.buildStage,o=this.stack,u={code:""};this.flow=u,this.vars={},this.declarations={},this.cache=new uS,this.stack=Fb();for(const r of ui)this.setBuildStage(r),u.result=e.build(this,t);return u.vars=this.getVars(this.shaderStage),this.flow=r,this.vars=s,this.declarations=i,this.cache=n,this.stack=o,this.setBuildStage(a),u}getFunctionOperator(){return null}buildFunctionCode(){d("Abstract function.")}flowChildNode(e,t=null){const r=this.flow,s={code:""};return this.flow=s,s.result=e.build(this,t),this.flow=r,s}flowNodeFromShaderStage(e,t,r=null,s=null){const i=this.tab,n=this.cache,a=this.shaderStage,o=this.context;this.setShaderStage(e);const u={...this.context};delete u.nodeBlock,this.cache=this.globalCache,this.tab="\t",this.context=u;let l=null;if("generate"===this.buildStage){const i=this.flowChildNode(t,r);null!==s&&(i.code+=`${this.tab+s} = ${i.result};\n`),this.flowCode[e]=this.flowCode[e]+i.code,l=i}else l=t.build(this);return this.setShaderStage(a),this.cache=n,this.tab=i,this.context=o,l}getAttributesArray(){return this.attributes.concat(this.bufferAttributes)}getAttributes(){d("Abstract function.")}getVaryings(){d("Abstract function.")}getVar(e,t,r=null){return`${null!==r?this.generateArrayDeclaration(e,r):this.getType(e)} ${t}`}getVars(e,t=!1){const r=[],s=this.vars[e];if(void 0!==s)for(const e of s)r.push(`${this.getVar(e.type,e.name,e.count)};`);return r.join(t?"\n":"\n\t")}getUniforms(){d("Abstract function.")}getCodes(e){const t=this.codes[e];let r="";if(void 0!==t)for(const e of t)r+=e.code+"\n";return r}getHash(){return this.vertexShader+this.fragmentShader+this.computeShader}setShaderStage(e){this.shaderStage=e}getShaderStage(){return this.shaderStage}setBuildStage(e){this.buildStage=e}getBuildStage(){return this.buildStage}buildCode(){d("Abstract function.")}get subBuild(){return this.subBuildLayers[this.subBuildLayers.length-1]||null}addSubBuild(e){this.subBuildLayers.push(e)}removeSubBuild(){return this.subBuildLayers.pop()}getClosestSubBuild(e){let t;if(t=e&&e.isNode?e.isShaderCallNodeInternal?e.shaderNode.subBuilds:e.isStackNode?[e.subBuild]:this.getDataFromNode(e,"any").subBuilds:e instanceof Set?[...e]:e,!t)return null;const r=this.subBuildLayers;for(let e=t.length-1;e>=0;e--){const s=t[e];if(r.includes(s))return s}return null}getSubBuildOutput(e){return this.getSubBuildProperty("outputNode",e)}getSubBuildProperty(e="",t=null){let r,s;return r=null!==t?this.getClosestSubBuild(t):this.subBuildFn,s=r?e?r+"_"+e:r:e,s}prebuild(){const{object:e,renderer:t,material:r}=this;if(!0===t.contextNode.isContextNode?this.context={...this.context,...t.contextNode.getFlowContextData()}:o('NodeBuilder: "renderer.contextNode" must be an instance of `context()`.'),r&&r.contextNode&&(!0===r.contextNode.isContextNode?this.context={...this.context,...r.contextNode.getFlowContextData()}:o('NodeBuilder: "material.contextNode" must be an instance of `context()`.')),null!==r){let e=t.library.fromMaterial(r);null===e&&(o(`NodeBuilder: Material "${r.type}" is not compatible.`),e=new Dg),e.build(this)}else this.addFlow("compute",e)}build(){this.prebuild();for(const e of ui){this.setBuildStage(e),this.context.position&&this.context.position.isNode&&this.flowNodeFromShaderStage("vertex",this.context.position);for(const t of li){this.setShaderStage(t);const r=this.flowNodes[t];for(const t of r)"generate"===e?this.flowNode(t):t.build(this)}}return this.setBuildStage(null),this.setShaderStage(null),this.buildCode(),this.buildUpdateNodes(),this}async buildAsync(){this.prebuild();for(const e of ui){this.setBuildStage(e),this.context.position&&this.context.position.isNode&&this.flowNodeFromShaderStage("vertex",this.context.position);for(const t of li){this.setShaderStage(t);const r=this.flowNodes[t];for(const t of r)"generate"===e?this.flowNode(t):t.build(this);await Tt()}}return this.setBuildStage(null),this.setShaderStage(null),this.buildCode(),this.buildUpdateNodes(),this}getSharedDataFromNode(e){let t=MS.get(e);return void 0===t&&(t={}),t}getNodeUniform(e,t){const r=this.getSharedDataFromNode(e);let s=r.cache;if(void 0===s){if("float"===t||"int"===t||"uint"===t)s=new xS(e);else if("vec2"===t||"ivec2"===t||"uvec2"===t)s=new TS(e);else if("vec3"===t||"ivec3"===t||"uvec3"===t)s=new _S(e);else if("vec4"===t||"ivec4"===t||"uvec4"===t)s=new vS(e);else if("color"===t)s=new NS(e);else if("mat2"===t)s=new SS(e);else if("mat3"===t)s=new ES(e);else{if("mat4"!==t)throw new Error(`THREE.NodeBuilder: Uniform "${t}" not implemented.`);s=new RS(e)}r.cache=s}return s}format(e,t,r){if((t=this.getVectorType(t))===(r=this.getVectorType(r))||null===r||this.isReference(r))return e;const s=this.getTypeLength(t),i=this.getTypeLength(r);return 16===s&&9===i?`${this.getType(r)}( ${e}[ 0 ].xyz, ${e}[ 1 ].xyz, ${e}[ 2 ].xyz )`:9===s&&4===i?`${this.getType(r)}( ${e}[ 0 ].xy, ${e}[ 1 ].xy )`:s>4||i>4||0===i?e:s===i?`${this.getType(r)}( ${e} )`:s>i?(e="bool"===r?`all( ${e} )`:`${e}.${"xyz".slice(0,i)}`,this.format(e,this.getTypeFromLength(i,this.getComponentType(t)),r)):4===i&&s>1?`${this.getType(r)}( ${this.format(e,t,"vec3")}, 1.0 )`:2===s?`${this.getType(r)}( ${this.format(e,t,"vec2")}, 0.0 )`:(1===s&&i>1&&t!==this.getComponentType(r)&&(e=`${this.getType(this.getComponentType(r))}( ${e} )`),`${this.getType(r)}( ${e} )`)}getSignature(){return`// Three.js r${_t} - Node System\n`}needsPreviousData(){const e=this.renderer.getMRT();return e&&e.has("velocity")||!0===Js(this.object).useVelocity}}class US{constructor(){this.time=0,this.deltaTime=0,this.frameId=0,this.renderId=0,this.updateMap=new WeakMap,this.updateBeforeMap=new WeakMap,this.updateAfterMap=new WeakMap,this.renderer=null,this.material=null,this.camera=null,this.object=null,this.scene=null}_getMaps(e,t){let r=e.get(t);return void 0===r&&(r={renderId:0,frameId:0},e.set(t,r)),r}updateBeforeNode(e){const t=e.getUpdateBeforeType(),r=e.updateReference(this);if(t===ii.FRAME){const t=this._getMaps(this.updateBeforeMap,r);if(t.frameId!==this.frameId){const r=t.frameId;t.frameId=this.frameId,!1===e.updateBefore(this)&&(t.frameId=r)}}else if(t===ii.RENDER){const t=this._getMaps(this.updateBeforeMap,r);if(t.renderId!==this.renderId){const r=t.renderId;t.renderId=this.renderId,!1===e.updateBefore(this)&&(t.renderId=r)}}else t===ii.OBJECT&&e.updateBefore(this)}updateAfterNode(e){const t=e.getUpdateAfterType(),r=e.updateReference(this);if(t===ii.FRAME){const t=this._getMaps(this.updateAfterMap,r);t.frameId!==this.frameId&&!1!==e.updateAfter(this)&&(t.frameId=this.frameId)}else if(t===ii.RENDER){const t=this._getMaps(this.updateAfterMap,r);t.renderId!==this.renderId&&!1!==e.updateAfter(this)&&(t.renderId=this.renderId)}else t===ii.OBJECT&&e.updateAfter(this)}updateNode(e){const t=e.getUpdateType(),r=e.updateReference(this);if(t===ii.FRAME){const t=this._getMaps(this.updateMap,r);t.frameId!==this.frameId&&!1!==e.update(this)&&(t.frameId=this.frameId)}else if(t===ii.RENDER){const t=this._getMaps(this.updateMap,r);t.renderId!==this.renderId&&!1!==e.update(this)&&(t.renderId=this.renderId)}else t===ii.OBJECT&&e.update(this)}update(){this.frameId++,void 0===this.lastTime&&(this.lastTime=performance.now()),this.deltaTime=(performance.now()-this.lastTime)/1e3,this.lastTime=performance.now(),this.time+=this.deltaTime}}class DS{constructor(e,t,r=null,s="",i=!1){this.type=e,this.name=t,this.count=r,this.qualifier=s,this.isConst=i}}DS.isNodeFunctionInput=!0;class OS extends Qv{static get type(){return"AmbientLightNode"}constructor(e=null){super(e)}setup({context:e}){e.irradiance.addAssign(this.colorNode)}}class IS extends Qv{static get type(){return"DirectionalLightNode"}constructor(e=null){super(e)}setupDirect(){const e=this.colorNode;return{lightDirection:tv(this.light),lightColor:e}}}class VS extends Qv{static get type(){return"HemisphereLightNode"}constructor(t=null){super(t),this.lightPositionNode=Z_(t),this.lightDirectionNode=this.lightPositionNode.normalize(),this.groundColorNode=Aa(new e).setGroup(Ea)}update(e){const{light:t}=this;super.update(e),this.lightPositionNode.object3d=t,this.groundColorNode.value.copy(t.groundColor).multiplyScalar(t.intensity)}setup(e){const{colorNode:t,groundColorNode:r,lightDirectionNode:s}=this,i=Lc.dot(s).mul(.5).add(.5),n=xu(r,t,i);e.context.irradiance.addAssign(n)}}class kS extends Qv{static get type(){return"SpotLightNode"}constructor(e=null){super(e),this.coneCosNode=Aa(0).setGroup(Ea),this.penumbraCosNode=Aa(0).setGroup(Ea),this.cutoffDistanceNode=Aa(0).setGroup(Ea),this.decayExponentNode=Aa(0).setGroup(Ea),this.colorNode=Aa(this.color).setGroup(Ea)}update(e){super.update(e);const{light:t}=this;this.coneCosNode.value=Math.cos(t.angle),this.penumbraCosNode.value=Math.cos(t.angle*(1-t.penumbra)),this.cutoffDistanceNode.value=t.distance,this.decayExponentNode.value=t.decay}getSpotAttenuation(e,t){const{coneCosNode:r,penumbraCosNode:s}=this;return Nu(r,s,t)}getLightCoord(e){const t=e.getNodeProperties(this);let r=t.projectionUV;return void 0===r&&(r=K_(this.light,e.context.positionWorld),t.projectionUV=r),r}setupDirect(e){const{colorNode:t,cutoffDistanceNode:r,decayExponentNode:s,light:i}=this,n=this.getLightVector(e),a=n.normalize(),o=a.dot(tv(i)),u=this.getSpotAttenuation(e,o),l=n.length(),d=Kv({lightDistance:l,cutoffDistance:r,decayExponent:s});let c,h,p=t.mul(u).mul(d);if(i.colorNode?(h=this.getLightCoord(e),c=i.colorNode(h)):i.map&&(h=this.getLightCoord(e),c=rd(i.map,h.xy).onRenderUpdate(()=>i.map)),c){p=h.mul(2).sub(1).abs().lessThan(1).all().select(p.mul(c),p)}return{lightColor:p,lightDirection:a}}}class GS extends kS{static get type(){return"IESSpotLightNode"}constructor(e=null){super(e),this._iesTextureNode=null}getSpotAttenuation(e,t){const r=this.light.iesMap;let s=null;if(r&&!0===r.isTexture){const e=t.acos().mul(1/Math.PI);this._iesTextureNode=rd(r,Sn(e,0),0),s=this._iesTextureNode.r}else s=super.getSpotAttenuation(e,t);return s}update(e){super.update(e),null!==this._iesTextureNode&&this.light.iesMap&&(this._iesTextureNode.value=this.light.iesMap)}}class zS extends Qv{static get type(){return"LightProbeNode"}constructor(e=null){super(e);const t=[];for(let e=0;e<9;e++)t.push(new r);this.lightProbe=ud(t)}update(e){const{light:t}=this;super.update(e);for(let e=0;e<9;e++)this.lightProbe.array[e].copy(t.sh.coefficients[e]).multiplyScalar(t.intensity)}setup(e){const t=YN(Lc,this.lightProbe);e.context.irradiance.addAssign(t)}}const $S=gn(([e,t])=>{const r=e.abs().sub(t);return Wo(su(r,0)).add(ru(su(r.x,r.y),0))});class WS extends kS{static get type(){return"ProjectorLightNode"}update(e){super.update(e);const t=this.light;if(this.penumbraCosNode.value=Math.min(Math.cos(t.angle*(1-t.penumbra)),.99999),null===t.aspect){let e=1;null!==t.map&&(e=t.map.width/t.map.height),t.shadow.aspect=e}else t.shadow.aspect=t.aspect}getSpotAttenuation(e){const t=Tn(0),r=this.penumbraCosNode,s=Q_(this.light).mul(e.context.positionWorld||bc);return yn(s.w.greaterThan(0),()=>{const e=s.xyz.div(s.w),i=$S(e.xy.sub(Sn(.5)),Sn(.5)),n=ka(-1,Ia(1,Io(r)).sub(1));t.assign(_u(i.mul(-2).mul(n)))}),t}}const HS=new a,jS=new a;let qS=null;class XS extends Qv{static get type(){return"RectAreaLightNode"}constructor(e=null){super(e),this.halfHeight=Aa(new r).setGroup(Ea),this.halfWidth=Aa(new r).setGroup(Ea),this.updateType=ii.RENDER}update(e){super.update(e);const{light:t}=this,r=e.camera.matrixWorldInverse;jS.identity(),HS.copy(t.matrixWorld),HS.premultiply(r),jS.extractRotation(HS),this.halfWidth.value.set(.5*t.width,0,0),this.halfHeight.value.set(0,.5*t.height,0),this.halfWidth.value.applyMatrix4(jS),this.halfHeight.value.applyMatrix4(jS)}setupDirectRectArea(e){let t,r;e.isAvailable("float32Filterable")?(t=rd(qS.LTC_FLOAT_1),r=rd(qS.LTC_FLOAT_2)):(t=rd(qS.LTC_HALF_1),r=rd(qS.LTC_HALF_2));const{colorNode:s,light:i}=this;return{lightColor:s,lightPosition:ev(i),halfWidth:this.halfWidth,halfHeight:this.halfHeight,ltc_1:t,ltc_2:r}}static setLTC(e){qS=e}}class YS{parseFunction(){d("Abstract function.")}}class QS{constructor(e,t,r="",s=""){this.type=e,this.inputs=t,this.name=r,this.precision=s}getCode(){d("Abstract function.")}}QS.isNodeFunction=!0;const KS=/^\s*(highp|mediump|lowp)?\s*([a-z_0-9]+)\s*([a-z_0-9]+)?\s*\(([\s\S]*?)\)/i,ZS=/[a-z_0-9]+/gi,JS="#pragma main";class eE extends QS{constructor(e){const{type:t,inputs:r,name:s,precision:i,inputsCode:n,blockCode:a,headerCode:o}=(e=>{const t=(e=e.trim()).indexOf(JS),r=-1!==t?e.slice(t+12):e,s=r.match(KS);if(null!==s&&5===s.length){const i=s[4],n=[];let a=null;for(;null!==(a=ZS.exec(i));)n.push(a);const o=[];let u=0;for(;u{let r=this._createNodeBuilder(e,e.material);try{t?await r.buildAsync():r.build()}catch(s){r=this._createNodeBuilder(e,new Dg),t?await r.buildAsync():r.build(),o("TSL: "+s)}return r})().then(e=>(s=this._createNodeBuilderState(e),i.set(n,s),s.usedTimes++,r.nodeBuilderState=s,s));{let t=this._createNodeBuilder(e,e.material);try{t.build()}catch(r){t=this._createNodeBuilder(e,new Dg),t.build();let s=r.stackTrace;!s&&r.stack&&(s=new Vs(r.stack)),o("TSL: "+r,s)}s=this._createNodeBuilderState(t),i.set(n,s)}}s.usedTimes++,r.nodeBuilderState=s}return s}getForRenderAsync(e){const t=this.getForRender(e,!0);return t.then?t:Promise.resolve(t)}getForRenderDeferred(e){const t=this.get(e);if(void 0!==t.nodeBuilderState)return t.nodeBuilderState;const r=this.getForRenderCacheKey(e),s=this.nodeBuilderCache.get(r);return void 0!==s?(s.usedTimes++,t.nodeBuilderState=s,s):(!0!==t.pendingBuild&&(t.pendingBuild=!0,this._buildQueue.push(()=>this.getForRenderAsync(e).then(()=>{t.pendingBuild=!1})),this._processBuildQueue()),null)}_processBuildQueue(){if(this._buildInProgress||0===this._buildQueue.length)return;this._buildInProgress=!0;this._buildQueue.shift()().then(()=>{this._buildInProgress=!1,this._processBuildQueue()})}delete(e){if(e.isRenderObject){const t=this.get(e).nodeBuilderState;void 0!==t&&(t.usedTimes--,0===t.usedTimes&&this.nodeBuilderCache.delete(this.getForRenderCacheKey(e)))}return super.delete(e)}getForCompute(e){const t=this.get(e);let r=t.nodeBuilderState;if(void 0===r||t.version!==e.version){const s=this.backend.createNodeBuilder(e,this.renderer);s.build(),r=this._createNodeBuilderState(s),t.nodeBuilderState=r,t.version=e.version}return r}_createNodeBuilderState(e){return new tS(e.vertexShader,e.fragmentShader,e.computeShader,e.getAttributesArray(),e.getBindings(),e.updateNodes,e.updateBeforeNodes,e.updateAfterNodes,e.observer,e.hardwareClipping,e.transforms)}getEnvironmentNode(e){if(!1===this.renderer.lighting.enabled)return null;this.updateEnvironment(e);let t=null;if(e.environmentNode&&e.environmentNode.isNode)t=e.environmentNode;else{const r=this.get(e);r.environmentNode&&(t=r.environmentNode)}return t}getBackgroundNode(e){this.updateBackground(e);let t=null;if(e.backgroundNode&&e.backgroundNode.isNode)t=e.backgroundNode;else{const r=this.get(e);r.backgroundNode&&(t=r.backgroundNode)}return t}getFogNode(e){return this.updateFog(e),e.fogNode||this.get(e).fogNode||null}getCacheKey(e,t){rE[0]=e,rE[1]=t;const r=this.renderer.info.calls,s=this.callHashCache.get(rE)||{};if(s.callId!==r){if(sE.push(this.renderer.getOutputRenderTarget()&&this.renderer.getOutputRenderTarget().multiview?1:0),sE.push(this.renderer.lighting.enabled?1:0),this.renderer.lighting.enabled){sE.push(t.getCacheKey(!0)),sE.push(this.renderer.shadowMap.enabled?1:0),sE.push(this.renderer.shadowMap.type);const r=this.getEnvironmentNode(e);r&&sE.push(r.getCacheKey())}const i=this.getFogNode(e);i&&sE.push(i.getCacheKey()),s.callId=r,s.cacheKey=zs(sE),this.callHashCache.set(rE,s),sE.length=0}return rE[0]=null,rE[1]=null,s.cacheKey}get isToneMappingState(){return!this.renderer.getRenderTarget()}updateBackground(e){const t=this.get(e),r=e.background;if(r){const s=0===e.backgroundBlurriness&&t.backgroundBlurriness>0||e.backgroundBlurriness>0&&0===t.backgroundBlurriness;if(t.background!==r||s){const i=this.getCacheNode("background",r,()=>{if(!0===r.isCubeTexture||r.mapping===ce||r.mapping===he||r.mapping===we){if(e.backgroundBlurriness>0||r.mapping===we)return uy(r);{let e;return e=!0===r.isCubeTexture?Qc(r):rd(r),am(e)}}if(!0===r.isTexture)return rd(r,md.flipY()).setUpdateMatrix(!0);!0!==r.isColor&&o("WebGPUNodes: Unsupported background configuration.",r)},s);t.backgroundNode=i,t.background=r,t.backgroundBlurriness=e.backgroundBlurriness}}else t.backgroundNode&&(delete t.backgroundNode,delete t.background)}getCacheNode(e,t,r,s=!1){const i=this.cacheLib[e]||(this.cacheLib[e]=new WeakMap);let n=i.get(t);return(void 0===n||s)&&(n=r(),i.set(t,n)),n}updateFog(e){const t=this.get(e),r=e.fog;if(r){if(t.fog!==r){const e=this.getCacheNode("fog",r,()=>{if(r.isFogExp2){const e=Jc("color","color",r).setGroup(Ea),t=Jc("density","float",r).setGroup(Ea);return s_(e,t_(t))}if(r.isFog){const e=Jc("color","color",r).setGroup(Ea),t=Jc("near","float",r).setGroup(Ea),s=Jc("far","float",r).setGroup(Ea);return s_(e,e_(t,s))}o("Renderer: Unsupported fog configuration.",r)});t.fogNode=e,t.fog=r}}else delete t.fogNode,delete t.fog}updateEnvironment(e){const t=this.get(e),r=e.environment;if(r){if(t.environment!==r){const e=this.getCacheNode("environment",r,()=>!0===r.isCubeTexture?Qc(r):!0===r.isTexture?rd(r):void o("Nodes: Unsupported environment configuration.",r));t.environmentNode=e,t.environment=r}}else t.environmentNode&&(delete t.environmentNode,delete t.environment)}getNodeFrame(e=this.renderer,t=null,r=null,s=null,i=null){const n=this.nodeFrame;return n.renderer=e,n.scene=t,n.object=r,n.camera=s,n.material=i,n}getNodeFrameForRender(e){return this.getNodeFrame(e.renderer,e.scene,e.object,e.camera,e.material)}getOutputCacheKey(){const e=this.renderer;return e.toneMapping+","+e.currentColorSpace+","+e.xr.isPresenting}getOutputNode(e){const t=this.renderer;let r;return r=e.isArrayTexture?this.backend.isWebGLBackend?rd(e,md).depth(dd("gl_ViewID_OVR")).renderOutput(t.toneMapping,t.currentColorSpace):rd(e,md).depth(iE).renderOutput(t.toneMapping,t.currentColorSpace):rd(e,md).renderOutput(t.toneMapping,t.currentColorSpace),r}setOutputLayerIndex(e){iE.value=e}updateBefore(e){const t=e.getNodeBuilderState();for(const r of t.updateBeforeNodes)this.getNodeFrameForRender(e).updateBeforeNode(r)}updateAfter(e){const t=e.getNodeBuilderState();for(const r of t.updateAfterNodes)this.getNodeFrameForRender(e).updateAfterNode(r)}updateForCompute(e){const t=this.getNodeFrame(),r=this.getForCompute(e);for(const e of r.updateNodes)t.updateNode(e)}updateForRender(e){const t=this.getNodeFrameForRender(e),r=e.getNodeBuilderState();for(const e of r.updateNodes)t.updateNode(e)}needsRefresh(e){const t=this.getNodeFrameForRender(e);return e.getMonitor().needsRefresh(e,t)}dispose(){super.dispose(),this.nodeFrame=new US,this.nodeBuilderCache=new Map,this.cacheLib={}}}const aE=new ut;class oE{constructor(e=null){this.version=0,this.clipIntersection=null,this.cacheKey="",this.shadowPass=!1,this.viewMatrix=new a,this.viewNormalMatrix=new n,this.clippingGroupContexts=new WeakMap,this.intersectionPlanes=[],this.unionPlanes=[],this.parentVersion=null,null!==e&&(this.viewMatrix=e.viewMatrix,this.viewNormalMatrix=e.viewNormalMatrix,this.clippingGroupContexts=e.clippingGroupContexts,this.shadowPass=e.shadowPass)}projectPlanes(e,t,r){const s=e.length;for(let i=0;i0&&(v("THREE.XRManager: WebGPU XR does not support MSAA yet. Disabling MSAA for this XR session."),null===this._currentSamples&&(this._currentSamples=e.samples),e._samples=0)}}async _initWebGPUSession(e){const t=this.getWebGPUBinding(),r=t.createProjectionLayer({colorFormat:t.getPreferredColorFormat(),depthStencilFormat:"depth24plus"});this._glProjLayer=r,e.updateRenderState({layers:[r]}),this._referenceSpace=await e.requestReferenceSpace(this.getReferenceSpaceType()),this._xrRenderTarget=new ne(r.textureWidth,r.textureHeight,{depth:2,minFilter:le,magFilter:le,depthBuffer:!0,multiview:!1,useArrayDepthTexture:!0,samples:0}),this._xrRenderTarget.texture.isArrayTexture=!0,!0===this._useMultiviewIfPossible&&v("THREE.XRManager: WebGPU XR does not support multiview yet. Disabling multiview for this XR session."),this._useMultiview=!1}_disposeWebGPUSession(){const e=this._renderer,t=this._xrRenderTarget;if(null===t||!0!==e.backend.isWebGPUBackend)return;const r=e.backend,s=e._textures,i=r.get?r.get(t):null;i&&(i.descriptors=void 0);const n=e=>{null!=e&&(r.delete&&r.delete(e),s.delete&&s.delete(e))};for(let e=0;eVl(e,i.toneMapping,i.outputColorSpace)}),bE.set(r,n))}else n=r;i.contextNode=n,i.setRenderTarget(t.renderTarget),t.rendercall(),i.contextNode=r}i.setRenderTarget(o),i._setXRLayerSize(a.x,a.y),this.isPresenting=n}getSession(){return this._session}async setSession(e){const t=this._renderer;!1===t.initialized&&await t.init(),this._gl=t.getContext();const r=this._gl;if(this._session=e,null!==e){if(e.addEventListener("select",this._onSessionEvent),e.addEventListener("selectstart",this._onSessionEvent),e.addEventListener("selectend",this._onSessionEvent),e.addEventListener("squeeze",this._onSessionEvent),e.addEventListener("squeezestart",this._onSessionEvent),e.addEventListener("squeezeend",this._onSessionEvent),e.addEventListener("end",this._onSessionEnd),e.addEventListener("inputsourceschange",this._onInputSourcesChange),this._validateWebGPUSession(),this._currentPixelRatio=t.getPixelRatio(),t.getSize(this._currentSize),this._currentAnimationContext=t._animation.getContext(),this._currentAnimationLoop=t._animation.getAnimationLoop(),t._animation.stop(),this._isWebGPUSession())await this._initWebGPUSession(e);else if(!0===this._supportsLayers){let s=null,i=null,n=null;const a=r.getContextAttributes();await t.backend.makeXRCompatible(),this.setFoveation(this.getFoveation()),t.depth&&(n=t.stencil?r.DEPTH24_STENCIL8:r.DEPTH_COMPONENT24,s=t.stencil?je:He,i=t.stencil?Ze:S);const o={colorFormat:r.RGBA8,depthFormat:n,scaleFactor:this._framebufferScaleFactor,clearOnAccess:!1};this._useMultiviewIfPossible&&t.hasFeature("OVR_multiview2")&&(o.textureType="texture-array",this._useMultiview=!0),this._glBinding=this.getBinding();const u=this._glBinding.createProjectionLayer(o),l=[u];this._glProjLayer=u,t.setPixelRatio(1),t._setXRLayerSize(u.textureWidth,u.textureHeight);const d=this._useMultiview?2:1,c=new Z(u.textureWidth,u.textureHeight,i,void 0,void 0,void 0,void 0,void 0,void 0,s,d);if(this._xrRenderTarget=new mE(u.textureWidth,u.textureHeight,{format:Re,type:Ve,colorSpace:t.outputColorSpace,depthTexture:c,stencilBuffer:t.stencil,samples:a.antialias?4:0,resolveDepthBuffer:!1===u.ignoreDepthValues,resolveStencilBuffer:!1===u.ignoreDepthValues,depth:this._useMultiview?2:1,multiview:this._useMultiview}),this._xrRenderTarget._hasExternalTextures=!0,this._xrRenderTarget.depth=this._useMultiview?2:1,this._sessionUsesLayers=e.enabledFeatures.includes("layers"),this._referenceSpace=await e.requestReferenceSpace(this.getReferenceSpaceType()),this._sessionUsesLayers)for(const e of this._layers)e.plane.material=new fe({color:16777215,side:"cylinder"===e.type?F:St}),e.plane.material.blending=Et,e.plane.material.blendEquation=it,e.plane.material.blendSrc=Rt,e.plane.material.blendDst=Rt,e.xrlayer=this._createXRLayer(e),l.unshift(e.xrlayer);e.updateRenderState({layers:l})}else{await t.backend.makeXRCompatible(),this.setFoveation(this.getFoveation());const s={antialias:t.currentSamples>0,alpha:!0,depth:t.depth,stencil:t.stencil,framebufferScaleFactor:this.getFramebufferScaleFactor()},i=new XRWebGLLayer(e,r,s);this._glBaseLayer=i,e.updateRenderState({baseLayer:i}),t.setPixelRatio(1),t._setXRLayerSize(i.framebufferWidth,i.framebufferHeight),this._xrRenderTarget=new mE(i.framebufferWidth,i.framebufferHeight,{format:Re,type:Ve,colorSpace:t.outputColorSpace,stencilBuffer:t.stencil,resolveDepthBuffer:!1===i.ignoreDepthValues,resolveStencilBuffer:!1===i.ignoreDepthValues}),this._xrRenderTarget._isOpaqueFramebuffer=!0,this._referenceSpace=await e.requestReferenceSpace(this.getReferenceSpaceType())}t._animation.setAnimationLoop(this._onAnimationFrame),t._animation.setContext(e),t._animation.start(),this.isPresenting=!0,this.dispatchEvent({type:"sessionstart"})}}updateCamera(e){const t=this._session;if(null===t)return;const r=e.near,s=e.far,i=this._cameraXR,n=this._cameraL,a=this._cameraR;i.near=a.near=n.near=r,i.far=a.far=n.far=s,i.isMultiViewCamera=this._useMultiview,this._currentDepthNear===i.near&&this._currentDepthFar===i.far||(t.updateRenderState({depthNear:i.near,depthFar:i.far}),this._currentDepthNear=i.near,this._currentDepthFar=i.far),i.layers.mask=6|e.layers.mask,n.layers.mask=-5&i.layers.mask,a.layers.mask=-3&i.layers.mask;const o=e.parent,u=i.cameras;TE(i,o);for(let e=0;e=0&&(r[n]=null,t[n].disconnect(i))}for(let s=0;s=r.length){r.push(i),n=e;break}if(null===r[e]){r[e]=i,n=e;break}}if(-1===n)break}const a=t[n];a&&a.connect(i)}}function SE(e){return"quad"===e.type?this._glBinding.createQuadLayer({transform:new XRRigidTransform(e.translation,e.quaternion),width:e.width/2,height:e.height/2,space:this._referenceSpace,viewPixelWidth:e.pixelwidth,viewPixelHeight:e.pixelheight,clearOnAccess:!1}):this._glBinding.createCylinderLayer({transform:new XRRigidTransform(e.translation,e.quaternion),radius:e.radius,centralAngle:e.centralAngle,aspectRatio:e.aspectRatio,space:this._referenceSpace,viewPixelWidth:e.pixelwidth,viewPixelHeight:e.pixelheight,clearOnAccess:!1})}function EE(e,t){if(void 0===t)return;const r=this._cameraXR,i=this._renderer,n=i.backend,a=this._glBaseLayer,o=this.getReferenceSpace(),u=t.getViewerPose(o);if(this._xrFrame=t,null!==u){const e=u.views,t=this._isWebGPUSession()?this._getWebGPUViewData(e):null;null!==this._glBaseLayer&&null===t&&n.setXRTarget(a.framebuffer);let o=!1;e.length!==r.cameras.length&&(r.cameras.length=0,o=!0);for(let i=0;i{await this.compileAsync(r,t,e);const s=this.needsFrameBufferTarget&&null===this._renderTarget?this._getFrameBufferTarget():this._renderTarget||this._outputRenderTarget,i=this._renderLists.get(e,t),n=this._renderContexts.get(s,this._mrt),a=e.overrideMaterial||r.material,o=this._objects.get(r,a,e,t,i.lightsNode,n,n.clippingContext),{fragmentShader:u,vertexShader:l}=o.getNodeBuilderState();return{fragmentShader:u,vertexShader:l}}}}async init(){return null!==this._initPromise||(this._initPromise=new Promise(async(e,t)=>{let r=this.backend;try{await r.init(this)}catch(e){if(null===this._getFallback)return void t(e);try{this.backend=r=this._getFallback(e),await r.init(this)}catch(e){return void t(e)}}this._nodes=new nE(this,r),this._animation=new zy(this,this._nodes,this.info),this._attributes=new tb(r,this.info),this._background=new ZN(this,this._nodes),this._geometries=new nb(this._attributes,this.info),this._textures=new Rb(this,r,this.info),this._pipelines=new hb(r,this._nodes,this.info),this._bindings=new pb(r,this._nodes,this._textures,this._attributes,this._pipelines,this.info),this._objects=new Xy(this,this._nodes,this._geometries,this._pipelines,this._bindings,this.info),this._renderLists=new Tb(this.lighting),this._bundles=new dE,this._renderContexts=new Sb(this),this._animation.start(),this._initialized=!0,this._inspector.init(),e(this)})),this._initPromise}get domElement(){return this._canvasTarget.domElement}get coordinateSystem(){return this.backend.coordinateSystem}async compileAsync(e,t,r=null){if(!0===this._isDeviceLost)return;!1===this._initialized&&await this.init();const s=this._nodes.nodeFrame,i=s.renderId,n=this._currentRenderContext,a=this._currentRenderObjectFunction,o=this._handleObjectFunction,u=this._compilationPromises;null===r&&(r=e);const l=!0===e.isScene?e:!0===r.isScene?r:wE,d=this.needsFrameBufferTarget&&null===this._renderTarget?this._getFrameBufferTarget():this._renderTarget||this._outputRenderTarget,c=this._renderContexts.get(d,this._mrt),h=this._activeMipmapLevel,p=[];this._currentRenderContext=c,this._currentRenderObjectFunction=this.renderObject,this._handleObjectFunction=this._createObjectPipeline,this._compilationPromises=p,s.renderId++,s.update(),c.depth=this.depth,c.stencil=this.stencil,c.clippingContext||(c.clippingContext=new oE),c.clippingContext.updateGlobal(l,t),!0===e.matrixWorldAutoUpdate&&e.updateMatrixWorld(),t=this._updateCamera(t),l.onBeforeRender(this,e,t,d);const g=t.isArrayCamera?BE:ME;t.isArrayCamera?g.setFromArrayCamera(t):(LE.multiplyMatrices(t.projectionMatrix,t.matrixWorldInverse),g.setFromProjectionMatrix(LE,t.coordinateSystem,t.reversedDepth));const m=this._renderLists.get(l,t);if(m.begin(),this._projectObject(e,t,0,m,c.clippingContext),r!==e&&r.traverseVisible(function(e){e.isLight&&e.layers.test(t.layers)&&m.pushLight(e)}),m.finish(),null!==d){this._textures.updateRenderTarget(d,h);const e=this._textures.get(d);c.textures=e.textures,c.depthTexture=e.depthTexture}else c.textures=null,c.depthTexture=null;r!==e?this._background.update(r,m,c):this._background.update(l,m,c);const f=m.opaque,y=m.transparent,b=m.transparentDoublePass,x=m.lightsNode;!0===this.opaque&&f.length>0&&this._renderObjects(f,t,l,x),!0===this.transparent&&y.length>0&&this._renderTransparents(y,b,t,l,x),s.renderId=i,this._currentRenderContext=n,this._currentRenderObjectFunction=a,this._handleObjectFunction=o,this._compilationPromises=u;for(const e of p){const t=this._objects.get(e.object,e.material,e.scene,e.camera,e.lightsNode,e.renderContext,e.clippingContext,e.passId);t.drawRange=e.object.geometry.drawRange,t.group=e.group,await this._nodes.getForRenderAsync(t),this._nodes.updateBefore(t),this._geometries.updateForRender(t),this._nodes.updateForRender(t),this._bindings.updateForRender(t);const r=[];this._pipelines.getForRender(t,r),r.length>0&&await Promise.all(r),this._nodes.updateAfter(t),await Tt()}}async renderAsync(e,t){v('Renderer: "renderAsync()" has been deprecated. Use "render()" and "await renderer.init();" when creating the renderer.'),await this.init(),this.render(e,t)}async waitForGPU(){o("Renderer: waitForGPU() has been removed. Read https://github.com/mrdoob/three.js/issues/32012 for more information.")}set inspector(e){null!==this._inspector&&this._inspector.setRenderer(null),this._inspector=e,this._inspector.setRenderer(this)}get inspector(){return this._inspector}set highPrecision(e){const t=this.contextNode.value;!0===e?(t.modelViewMatrix=hc,t.modelNormalViewMatrix=pc):this.highPrecision&&(delete t.modelViewMatrix,delete t.modelNormalViewMatrix)}get highPrecision(){const e=this.contextNode.value;return e.modelViewMatrix===hc&&e.modelNormalViewMatrix===pc}setMRT(e){return this._mrt=e,this}getMRT(){return this._mrt}getOutputBufferType(){return this._outputBufferType}getColorBufferType(){return v('Renderer: ".getColorBufferType()" has been renamed to ".getOutputBufferType()".'),this.getOutputBufferType()}_onDeviceLost(e){let t=`THREE.WebGPURenderer: ${e.api} Device Lost:\n\nMessage: ${e.message}`;e.reason&&(t+=`\nReason: ${e.reason}`),o(t),this._isDeviceLost=!0}_onError(e){let t=`WebGPURenderer: Uncaptured ${e.api} ${e.type}`;e.message&&(t+=`: ${e.message}`),o(t)}_bundleNeedsUpdate(e,t){return void 0===t.bundleGPU||e.version!==t.version}_renderBundle(e,t,r){const{bundleGroup:s,camera:i,renderList:n}=e,a=this._currentRenderContext,o=this._bundles.get(s,i,a),u=this.backend.get(o);if(this._bundleNeedsUpdate(s,u)){this.backend.beginBundle(a),this._currentRenderBundle=o;const{transparentDoublePass:e,transparent:l,opaque:d}=n;!0===this.opaque&&d.length>0&&this._renderObjects(d,i,t,r),!0===this.transparent&&l.length>0&&this._renderTransparents(l,e,i,t,r),this._currentRenderBundle=null,this.backend.finishBundle(a,o),u.version=s.version}else{const{renderObjects:e}=u;for(let t=0,r=e.length;t{u.removeEventListener("dispose",e),l.dispose(),this._frameBufferTargets.delete(u)};u.addEventListener("dispose",e),this._frameBufferTargets.set(u,l)}const d=this.getOutputRenderTarget();l.depthBuffer=a,l.stencilBuffer=o,null!==d?l.setSize(d.width,d.height,d.depth):l.setSize(i,n,1);const c=this._outputRenderTarget?this._outputRenderTarget.viewport:u._viewport,h=this._outputRenderTarget?this._outputRenderTarget.scissor:u._scissor,g=this._outputRenderTarget?1:u._pixelRatio,f=this._outputRenderTarget?this._outputRenderTarget.scissorTest:u._scissorTest;return l.viewport.copy(c),l.scissor.copy(h),l.viewport.multiplyScalar(g),l.scissor.multiplyScalar(g),l.scissorTest=f,l.multiview=null!==d&&d.multiview,l.useArrayDepthTexture=null!==d&&d.useArrayDepthTexture,l.resolveDepthBuffer=null===d||d.resolveDepthBuffer,l._autoAllocateDepthBuffer=null!==d&&d._autoAllocateDepthBuffer,l}_renderScene(e,t,r=!0){if(!0===this._isDeviceLost)return;const s=r?this._getFrameBufferTarget():null,i=this._nodes.nodeFrame,n=i.renderId,a=this._currentRenderContext,o=this._currentRenderObjectFunction,u=this._handleObjectFunction;this.lighting.beginRender(e),this._callDepth++;const l=!0===e.isScene?e:wE,d=this._renderTarget||this._outputRenderTarget,c=this._activeCubeFace,h=this._activeMipmapLevel;let p;if(null!==s?(p=s,this.setRenderTarget(p)):p=d,null!==p&&!0===p.depthBuffer){const e=this._textures.get(p);!0!==e.depthInitialized&&((!1===this.autoClear||!0===this.autoClear&&!1===this.autoClearDepth)&&this.clearDepth(),e.depthInitialized=!0)}const g=this._renderContexts.get(p,this._mrt,this._callDepth);this._currentRenderContext=g,this._currentRenderObjectFunction=this._renderObjectFunction||this.renderObject,this._handleObjectFunction=this._renderObjectDirect,this.info.calls++,this.info.render.calls++,this.info.render.frameCalls++,i.renderId=this.info.calls,this.backend.updateTimeStampUID(g),this.inspector.beginRender(this.backend.getTimestampUID(g),e,t,p),!0===e.matrixWorldAutoUpdate&&e.updateMatrixWorld(),t=this._updateCamera(t);const m=this._canvasTarget;let f=m._viewport,y=m._scissor,b=m._pixelRatio;null!==p&&(f=p.viewport,y=p.scissor,b=1),this.getDrawingBufferSize(AE),CE.set(0,0,AE.width,AE.height);const x=void 0===f.minDepth?0:f.minDepth,T=void 0===f.maxDepth?1:f.maxDepth;g.viewportValue.copy(f).multiplyScalar(b).floor(),g.viewportValue.width>>=h,g.viewportValue.height>>=h,g.viewportValue.minDepth=x,g.viewportValue.maxDepth=T,g.viewport=!1===g.viewportValue.equals(CE),g.scissorValue.copy(y).multiplyScalar(b).floor(),g.scissor=m._scissorTest&&!1===g.scissorValue.equals(CE),g.scissorValue.width>>=h,g.scissorValue.height>>=h,g.clippingContext||(g.clippingContext=new oE),g.clippingContext.updateGlobal(l,t),l.onBeforeRender(this,e,t,p);const _=t.isArrayCamera?BE:ME;t.isArrayCamera?_.setFromArrayCamera(t):(LE.multiplyMatrices(t.projectionMatrix,t.matrixWorldInverse),_.setFromProjectionMatrix(LE,t.coordinateSystem,t.reversedDepth));const v=this._renderLists.get(e,t);if(v.begin(),this._projectObject(e,t,0,v,g.clippingContext),v.finish(),!0===this.sortObjects&&v.sort(this._opaqueSort,this._transparentSort,t.reversedDepth),null!==p){this._textures.updateRenderTarget(p,h);const e=this._textures.get(p);g.textures=e.textures,g.depthTexture=e.depthTexture,g.width=e.width,g.height=e.height,g.renderTarget=p,g.depth=p.depthBuffer,g.stencil=p.stencilBuffer}else g.textures=null,g.depthTexture=null,g.width=AE.width,g.height=AE.height,g.depth=this.depth,g.stencil=this.stencil;g.width>>=h,g.height>>=h,g.activeCubeFace=c,g.activeMipmapLevel=h,g.occlusionQueryCount=v.occlusionQueryCount,g.scissorValue.max(FE.set(0,0,0,0)),g.scissorValue.x+g.scissorValue.width>g.width&&(g.scissorValue.width=Math.max(g.width-g.scissorValue.x,0)),g.scissorValue.y+g.scissorValue.height>g.height&&(g.scissorValue.height=Math.max(g.height-g.scissorValue.y,0)),this._background.update(l,v,g),g.camera=t,this.backend.beginRender(g);const{bundles:N,lightsNode:S,transparentDoublePass:E,transparent:R,opaque:w}=v;return N.length>0&&this._renderBundles(N,l,S),!0===this.opaque&&w.length>0&&this._renderObjects(w,t,l,S),!0===this.transparent&&R.length>0&&this._renderTransparents(R,E,t,l,S),this.backend.finishRender(g),i.renderId=n,this._currentRenderContext=a,this._currentRenderObjectFunction=o,this._handleObjectFunction=u,this.lighting.finishRender(e),this._callDepth--,null!==s&&(this.setRenderTarget(d,c,h),this._renderOutput(p)),l.onAfterRender(this,e,t,p),this.inspector.finishRender(this.backend.getTimestampUID(g)),g}_setXRLayerSize(e,t){this._canvasTarget._width=e,this._canvasTarget._height=t,this.setViewport(0,0,e,t)}_renderOutput(e){const t=this._nodes.getOutputCacheKey();let r,s=this._quadCache.get(e.texture);if(void 0===s){r=new zx(new Dg),r.name="Output Color Transform",r.material.name="outputColorTransform",r.material.fragmentNode=this._nodes.getOutputNode(e.texture),s={quad:r,cacheKey:t},this._quadCache.set(e.texture,s);const i=()=>{r.material.dispose(),this._quadCache.delete(e.texture),e.texture.removeEventListener("dispose",i)};e.texture.addEventListener("dispose",i)}else r=s.quad,s.cacheKey!==t&&(r.material.fragmentNode=this._nodes.getOutputNode(e.texture),r.material.needsUpdate=!0,s.cacheKey=t);const i=this.autoClear,n=this.xr.enabled;this.autoClear=!1,this.xr.enabled=!1,this._renderOutputLayers(r,e),this.autoClear=i,this.xr.enabled=n}getMaxAnisotropy(){return this.backend.capabilities.getMaxAnisotropy()}getActiveCubeFace(){return this._activeCubeFace}getActiveMipmapLevel(){return this._activeMipmapLevel}async setAnimationLoop(e){!1===this._initialized&&await this.init(),this._animation.setAnimationLoop(e)}getAnimationLoop(){return this._animation.getAnimationLoop()}async getArrayBufferAsync(e,t=null,r=0,s=-1){if(null!==t&&t.isReadbackBuffer&&!1===this.info.memoryMap.has(t)){this.info.createReadbackBuffer(t);const e=()=>{t.removeEventListener("dispose",e),this.info.destroyReadbackBuffer(t)};t.addEventListener("dispose",e)}if(r%4!=0||s>0&&s%4!=0)throw new Error('THREE.Renderer: "getArrayBufferAsync()" offset and count must be a multiple of 4.');return await this.backend.getArrayBufferAsync(e,t,r,s)}getContext(){return this.backend.getContext()}getPixelRatio(){return this._canvasTarget.getPixelRatio()}getDrawingBufferSize(e){return this._canvasTarget.getDrawingBufferSize(e)}getSize(e){return this._canvasTarget.getSize(e)}setPixelRatio(e=1){this._canvasTarget.setPixelRatio(e)}setDrawingBufferSize(e,t,r){this.xr&&this.xr.isPresenting||this._canvasTarget.setDrawingBufferSize(e,t,r)}setSize(e,t,r=!0){this.xr&&this.xr.isPresenting||this._canvasTarget.setSize(e,t,r)}setOpaqueSort(e){this._opaqueSort=e}setTransparentSort(e){this._transparentSort=e}getScissor(e){return this._canvasTarget.getScissor(e)}setScissor(e,t,r,s){this._canvasTarget.setScissor(e,t,r,s)}getScissorTest(){return this._canvasTarget.getScissorTest()}setScissorTest(e){this._canvasTarget.setScissorTest(e),this.backend.setScissorTest(e)}getViewport(e){return this._canvasTarget.getViewport(e)}setViewport(e,t,r,s,i=0,n=1){this._canvasTarget.setViewport(e,t,r,s,i,n)}getClearColor(e){return e.copy(this._clearColor)}setClearColor(e,t=1){this._clearColor.set(e),this._clearColor.a=t}getClearAlpha(){return this._clearColor.a}setClearAlpha(e){this._clearColor.a=e}getClearDepth(){return!0===this.reversedDepthBuffer?1-this._clearDepth:this._clearDepth}setClearDepth(e){this._clearDepth=e}getClearStencil(){return this._clearStencil}setClearStencil(e){this._clearStencil=e}isOccluded(e){const t=this._currentRenderContext;return t&&this.backend.isOccluded(t,e)}clear(e=!0,t=!0,r=!0){if(!1===this._initialized)throw new Error('THREE.Renderer: .clear() called before the backend is initialized. Use "await renderer.init();" before using this method.');const s=this._renderTarget||this._getFrameBufferTarget();let i=null;if(null!==s){this._textures.updateRenderTarget(s);const e=this._textures.get(s);i=this._renderContexts.get(s,null,-1),i.textures=e.textures,i.depthTexture=e.depthTexture,i.width=e.width,i.height=e.height,i.renderTarget=s,i.depth=s.depthBuffer,i.stencil=s.stencilBuffer;const t=this.backend.getClearColor();i.clearColorValue.r=t.r,i.clearColorValue.g=t.g,i.clearColorValue.b=t.b,i.clearColorValue.a=t.a,i.clearDepthValue=this.getClearDepth(),i.clearStencilValue=this.getClearStencil(),i.activeCubeFace=this.getActiveCubeFace(),i.activeMipmapLevel=this.getActiveMipmapLevel(),!0===s.depthBuffer&&(e.depthInitialized=!0)}this.backend.clear(e,t,r,i),null!==s&&null===this._renderTarget&&this._renderOutput(s)}clearColor(){this.clear(!0,!1,!1)}clearDepth(){this.clear(!1,!0,!1)}clearStencil(){this.clear(!1,!1,!0)}async clearAsync(e=!0,t=!0,r=!0){v('Renderer: "clearAsync()" has been deprecated. Use "clear()" and "await renderer.init();" when creating the renderer.'),await this.init(),this.clear(e,t,r)}async clearColorAsync(){v('Renderer: "clearColorAsync()" has been deprecated. Use "clearColor()" and "await renderer.init();" when creating the renderer.'),this.clear(!0,!1,!1)}async clearDepthAsync(){v('Renderer: "clearDepthAsync()" has been deprecated. Use "clearDepth()" and "await renderer.init();" when creating the renderer.'),this.clear(!1,!0,!1)}async clearStencilAsync(){v('Renderer: "clearStencilAsync()" has been deprecated. Use "clearStencil()" and "await renderer.init();" when creating the renderer.'),this.clear(!1,!1,!0)}get needsFrameBufferTarget(){const e=this.currentToneMapping!==m,t=this.currentColorSpace!==p.workingColorSpace;return e||t}get samples(){return this._samples}get currentSamples(){let e=this._samples;return null!==this._renderTarget?e=this._renderTarget.samples:this.needsFrameBufferTarget&&(e=0),e}get currentToneMapping(){return this.isOutputTarget?this.toneMapping:m}get currentColorSpace(){return this.isOutputTarget?this.outputColorSpace:p.workingColorSpace}get isOutputTarget(){return this._renderTarget===this._outputRenderTarget||null===this._renderTarget}dispose(){if(!0===this._initialized){this.info.dispose(),this.backend.dispose(),this._animation.dispose(),this._objects.dispose(),this._geometries.dispose(),this._pipelines.dispose(),this._nodes.dispose(),this._bindings.dispose(),this._renderLists.dispose(),this._renderContexts.dispose(),this._textures.dispose();for(const e of this._frameBufferTargets.keys())e.dispose();Object.values(this.backend.timestampQueryPool).forEach(e=>{null!==e&&e.dispose()})}this.setRenderTarget(null),this.setAnimationLoop(null)}setRenderTarget(e,t=0,r=0){this._renderTarget=e,this._activeCubeFace=t,this._activeMipmapLevel=r}getRenderTarget(){return this._renderTarget}setOutputRenderTarget(e){this._outputRenderTarget=e}getOutputRenderTarget(){return this._outputRenderTarget}setCanvasTarget(e){this._canvasTarget.removeEventListener("resize",this._onCanvasTargetResize),this._canvasTarget=e,this._canvasTarget.addEventListener("resize",this._onCanvasTargetResize)}getCanvasTarget(){return this._canvasTarget}_resetXRState(){this.backend.setXRTarget(null),this.setOutputRenderTarget(null),this.setRenderTarget(null);for(const e of this._frameBufferTargets.keys())e.dispose()}setRenderObjectFunction(e){this._renderObjectFunction=e}getRenderObjectFunction(){return this._renderObjectFunction}compute(e,t=null){if(!0===this._isDeviceLost)return;if(!1===this._initialized)return d("Renderer: .compute() called before the backend is initialized. Try using .computeAsync() instead."),this.computeAsync(e,t);const r=this._nodes.nodeFrame,s=r.renderId;this.info.calls++,this.info.compute.calls++,this.info.compute.frameCalls++,r.renderId=this.info.calls,this.backend.updateTimeStampUID(e),this.inspector.beginCompute(this.backend.getTimestampUID(e),e);const i=this.backend,n=this._pipelines,a=this._bindings,o=this._nodes,u=Array.isArray(e)?e:[e];if(void 0===u[0]||!0!==u[0].isComputeNode)throw new Error("THREE.Renderer: .compute() expects a ComputeNode.");i.beginCompute(e);for(const r of u){if(!1===n.has(r)){const e=()=>{r.removeEventListener("dispose",e),n.delete(r),a.deleteForCompute(r),o.delete(r)};r.addEventListener("dispose",e);const t=r.onInitFunction;null!==t&&t.call(r,{renderer:this})}o.updateForCompute(r),a.updateForCompute(r);const s=a.getForCompute(r),u=n.getForCompute(r,s);i.compute(e,r,s,u,t)}i.finishCompute(e),r.renderId=s,this.inspector.finishCompute(this.backend.getTimestampUID(e))}async computeAsync(e,t=null){!1===this._initialized&&await this.init(),this.compute(e,t)}async hasFeatureAsync(e){return v('Renderer: "hasFeatureAsync()" has been deprecated. Use "hasFeature()" and "await renderer.init();" when creating the renderer.'),await this.init(),this.hasFeature(e)}async resolveTimestampsAsync(e="render"){return!1===this._initialized&&await this.init(),this.backend.resolveTimestampsAsync(e)}hasFeature(e){if(!1===this._initialized)throw new Error('THREE.Renderer: .hasFeature() called before the backend is initialized. Use "await renderer.init();" before using this method.');return this.backend.hasFeature(e)}hasInitialized(){return this._initialized}async initTextureAsync(e){v('Renderer: "initTextureAsync()" has been deprecated. Use "initTexture()" and "await renderer.init();" when creating the renderer.'),await this.init(),this.initTexture(e)}initTexture(e){if(!1===this._initialized)throw new Error('THREE.Renderer: .initTexture() called before the backend is initialized. Use "await renderer.init();" before using this method.');this._textures.updateTexture(e)}initRenderTarget(e){if(!1===this._initialized)throw new Error('THREE.Renderer: .initRenderTarget() called before the backend is initialized. Use "await renderer.init();" before using this method.');this._textures.updateRenderTarget(e);const t=this._textures.get(e),r=this._renderContexts.get(e);r.textures=t.textures,r.depthTexture=t.depthTexture,r.width=t.width,r.height=t.height,r.renderTarget=e,r.depth=e.depthBuffer,r.stencil=e.stencilBuffer,this.backend.initRenderTarget(r)}copyFramebufferToTexture(e,t=null){if(null!==t)if(t.isVector2)t=FE.set(t.x,t.y,e.image.width,e.image.height).floor();else{if(!t.isVector4)return void o("Renderer.copyFramebufferToTexture: Invalid rectangle.");t=FE.copy(t).floor()}else t=FE.set(0,0,e.image.width,e.image.height);let r,s=this._currentRenderContext;null!==s?r=s.renderTarget:(r=this._renderTarget||this._getFrameBufferTarget(),null!==r&&(this._textures.updateRenderTarget(r),s=this._textures.get(r))),this._textures.updateTexture(e,{renderTarget:r}),this.backend.copyFramebufferToTexture(e,s,t),this._inspector.copyFramebufferToTexture(e)}copyTextureToTexture(e,t,r=null,s=null,i=0,n=0){this._textures.updateTexture(e),this._textures.updateTexture(t),this.backend.copyTextureToTexture(e,t,r,s,i,n),this._inspector.copyTextureToTexture(e,t)}async readRenderTargetPixelsAsync(e,t,r,s,i,n=0,a=0){return this.backend.copyTextureToBuffer(e.textures[n],t,r,s,i,a)}_projectObject(e,t,r,s,i){if(!1===e.visible)return;if(e.layers.test(t.layers))if(e.isGroup)r=e.renderOrder,e.isClippingGroup&&e.enabled&&(i=i.getGroupContext(e));else if(e.isLOD)!0===e.autoUpdate&&e.update(t);else if(e.isLight)s.pushLight(e);else if(e.isSprite){const n=t.isArrayCamera?BE:ME;if(!e.frustumCulled||n.intersectsSprite(e)){!0===this.sortObjects&&FE.setFromMatrixPosition(e.matrixWorld).applyMatrix4(LE);const{geometry:t,material:n}=e;n.visible&&s.push(e,t,n,r,FE.z,null,i)}}else if(e.isLineLoop)o("Renderer: Objects of type THREE.LineLoop are not supported. Please use THREE.Line or THREE.LineSegments.");else if(e.isMesh||e.isLine||e.isPoints){const n=t.isArrayCamera?BE:ME;if(!e.frustumCulled||n.intersectsObject(e)){const{geometry:t,material:n}=e;if(!0===this.sortObjects&&(null===t.boundingSphere&&t.computeBoundingSphere(),FE.copy(t.boundingSphere.center).applyMatrix4(e.matrixWorld).applyMatrix4(LE)),Array.isArray(n)){const a=t.groups;for(let o=0,u=a.length;o0){for(const{material:e}of t)e.side=F;this._renderObjects(t,r,s,i,"backSide");for(const{material:e}of t)e.side=St;this._renderObjects(e,r,s,i);for(const{material:e}of t)e.side=P}else this._renderObjects(e,r,s,i)}_renderObjects(e,t,r,s,i=null){for(let n=0,a=e.length;n(t.not().discard(),e))(u)}}e.depthNode&&e.depthNode.isNode&&(l=e.depthNode),e.castShadowPositionNode&&e.castShadowPositionNode.isNode?o=e.castShadowPositionNode:e.positionNode&&e.positionNode.isNode&&(o=e.positionNode),r={version:t,colorNode:u,depthNode:l,positionNode:o},this._cacheShadowNodes.set(e,r)}return r}_updateCamera(e){const t=this.xr;if(!1===t.isPresenting){let t=!1;if(!0===this.reversedDepthBuffer&&!0!==e.reversedDepth){if(e._reversedDepth=!0,e.isArrayCamera)for(const t of e.cameras)t._reversedDepth=!0;t=!0}const r=this.coordinateSystem;if(e.coordinateSystem!==r){if(e.coordinateSystem=r,e.isArrayCamera)for(const t of e.cameras)t.coordinateSystem=r;t=!0}if(!0===t&&(e.updateProjectionMatrix(),e.isArrayCamera))for(const t of e.cameras)t.updateProjectionMatrix()}return null===e.parent&&!0===e.matrixWorldAutoUpdate&&e.updateMatrixWorld(),!0===t.enabled&&!0===t.isPresenting&&(!0===t.cameraAutoUpdate&&t.updateCamera(e),e=t.getCamera()),e}renderObject(e,t,r,s,i,n,a,o=null,u=null){let l,d,c,h,p,g,m,f=!1;const y=this._currentSourceMaterial;if(e.onBeforeRender(this,t,r,s,i,n),!0===i.allowOverride&&null!==t.overrideMaterial){this._currentSourceMaterial=i;const e=t.overrideMaterial;if(f=!0,l=e.isNodeMaterial?e.colorNode:null,d=e.isNodeMaterial?e.depthNode:null,c=e.isNodeMaterial?e.positionNode:null,h=t.overrideMaterial.side,p=e.displacementMap,g=e.displacementScale,m=e.displacementBias,i.positionNode&&i.positionNode.isNode&&(e.positionNode=i.positionNode),e.alphaTest=i.alphaTest,e.alphaMap=i.alphaMap,e.displacementMap=i.displacementMap,e.displacementScale=i.displacementScale,e.displacementBias=i.displacementBias,e.transparent=i.transparent||i.transmission>0||i.transmissionNode&&i.transmissionNode.isNode||i.backdropNode&&i.backdropNode.isNode,e.isShadowPassMaterial){const{colorNode:t,depthNode:r,positionNode:s}=this._getShadowNodes(i);this.shadowMap.type===pt?e.side=null!==i.shadowSide?i.shadowSide:i.side:e.side=null!==i.shadowSide?i.shadowSide:PE[i.side],null!==t&&(e.colorNode=t),null!==r&&(e.depthNode=r),null!==s&&(e.positionNode=s)}i=e}!0===i.transparent&&i.side===P&&!1===i.forceSinglePass?(i.side=F,this._handleObjectFunction(e,i,t,r,a,n,o,"backSide"),i.side=St,this._handleObjectFunction(e,i,t,r,a,n,o,u),i.side=P):this._handleObjectFunction(e,i,t,r,a,n,o,u),f&&(t.overrideMaterial.colorNode=l,t.overrideMaterial.depthNode=d,t.overrideMaterial.positionNode=c,t.overrideMaterial.side=h,t.overrideMaterial.displacementMap=p,t.overrideMaterial.displacementScale=g,t.overrideMaterial.displacementBias=m),this._currentSourceMaterial=y,e.onAfterRender(this,t,r,s,i,n)}hasCompatibility(e){if(!1===this._initialized)throw new Error('THREE.Renderer: .hasCompatibility() called before the backend is initialized. Use "await renderer.init();" before using this method.');return this.backend.hasCompatibility(e)}_renderObjectDirect(e,t,r,s,i,n,a,o){const u=this._objects.get(e,t,r,s,i,this._currentRenderContext,a,o);if(u.drawRange=e.geometry.drawRange,u.group=n,null!==this._currentRenderBundle){this.backend.get(this._currentRenderBundle).renderObjects.push(u),u.bundle=this._currentRenderBundle.bundleGroup}const l=this._nodes.needsRefresh(u);l&&(this._nodes.updateBefore(u),this._geometries.updateForRender(u),this._nodes.updateForRender(u),this._bindings.updateForRender(u)),this._pipelines.updateForRender(u),this._pipelines.isReady(u)&&(this.backend.draw(u,this.info),l&&this._nodes.updateAfter(u))}_createObjectPipeline(e,t,r,s,i,n,a,o){if(null!==this._compilationPromises)return void this._compilationPromises.push({object:e,material:t,scene:r,camera:s,lightsNode:i,group:n,clippingContext:a,passId:o,renderContext:this._currentRenderContext});const u=this._objects.get(e,t,r,s,i,this._currentRenderContext,a,o);u.drawRange=e.geometry.drawRange,u.group=n,this._nodes.updateBefore(u),this._geometries.updateForRender(u),this._nodes.updateForRender(u),this._bindings.updateForRender(u),this._pipelines.getForRender(u,this._compilationPromises),this._nodes.updateAfter(u)}_onCanvasTargetResize(){this._initialized&&this.backend.updateSize()}get compile(){return this.compileAsync}}class DE{constructor(e=""){this.name=e,this.visibility=0}setVisibility(e){this.visibility|=e}getVisibility(){return this.visibility}clone(){return Object.assign(new this.constructor,this)}}function OE(e){return e+(eb-e%eb)%eb}class IE extends DE{constructor(e,t=null){super(e),this.isBuffer=!0,this.bytesPerElement=Float32Array.BYTES_PER_ELEMENT,this._buffer=t,this._updateRanges=[]}get updateRanges(){return this._updateRanges}addUpdateRange(e,t){this.updateRanges.push({start:e,count:t})}clearUpdateRanges(){this.updateRanges.length=0}get byteLength(){return OE(this._buffer.byteLength)}get buffer(){return this._buffer}update(){return!0}release(){this._buffer=null}}class VE extends IE{constructor(e,t=null){super(e,t),this.isUniformBuffer=!0}}let kE=0;class GE extends VE{constructor(e,t){super("UniformBuffer_"+kE++,e?e.value:null),this.nodeUniform=e,this.groupNode=t,this.isNodeUniformBuffer=!0}set updateRanges(e){this.nodeUniform.updateRanges=e}get updateRanges(){return this.nodeUniform.updateRanges}addUpdateRange(e,t){this.nodeUniform.addUpdateRange(e,t)}clearUpdateRanges(){this.nodeUniform.clearUpdateRanges()}get byteLength(){return OE(this.buffer.byteLength)}get buffer(){return this.nodeUniform.value}}class zE extends VE{constructor(e){super(e),this.isUniformsGroup=!0,this._values=null,this.uniforms=[],this._updateRangeCache=new Map,this._addedIndices=new Set}addUniformUpdateRange(e){const t=e.index;if(this._addedIndices.has(t))return;let r=this._updateRangeCache.get(t);void 0===r&&(r={start:0,count:0},this._updateRangeCache.set(t,r)),r.start=e.offset,r.count=e.itemSize,this._addedIndices.add(t),this.updateRanges.push(r)}clearUpdateRanges(){this._addedIndices.clear(),super.clearUpdateRanges()}addUniform(e){return this.uniforms.push(e),this}removeUniform(e){const t=this.uniforms.indexOf(e);return-1!==t&&this.uniforms.splice(t,1),this}get values(){return null===this._values&&(this._values=Array.from(this.buffer)),this._values}get buffer(){let e=this._buffer;if(null===e){const t=this.byteLength;e=new Float32Array(new ArrayBuffer(t)),this._buffer=e}return e}get byteLength(){const e=this.bytesPerElement;let t=0;for(let r=0,s=this.uniforms.length;r0?i:"";t=`${r.name} {\n\t${s} ${e.name}[${n}];\n};\n`}else{const t=e.groupNode.name;if(void 0===s[t]){const e=this.uniformGroups[t];if(void 0!==e){const r=[];for(const t of e.uniforms){const e=t.getType(),s=this.getVectorType(e),i=t.nodeUniform.node.precision;let n=`${s} ${t.name};`;null!==i&&(n=JE[i]+" "+n),r.push("\t"+n)}s[t]=r}}i=!0}if(!i){const s=e.node.precision;null!==s&&(t=JE[s]+" "+t),t="uniform "+t,r.push(t)}}let i="";for(const e in s){const t=s[e];i+=this._getGLSLUniformStruct(e,t.join("\n"))+"\n"}return i+=r.join("\n"),i}getTypeFromAttribute(e){let t=super.getTypeFromAttribute(e);if(/^[iu]/.test(t)&&e.gpuType!==E){let r=e;e.isInterleavedBufferAttribute&&(r=e.data);const s=r.array;!1==(s instanceof Uint32Array||s instanceof Int32Array)&&(t=t.slice(1))}return t}getAttributes(e){let t="";if("vertex"===e||"compute"===e){const e=this.getAttributesArray();let r=0;for(const s of e)t+=`layout( location = ${r++} ) in ${s.type} ${s.name};\n`}return t}getStructMembers(e){const t=[];for(const r of e.members)t.push(`\t${r.type} ${r.name};`);return t.join("\n")}getStructs(e){const t=[],r=this.structs[e],s=[];for(const e of r)if(e.output)for(const t of e.members)s.push(`layout( location = ${t.index} ) out ${t.type} ${t.name};`);else{let r="struct "+e.name+" {\n";r+=this.getStructMembers(e),r+="\n};\n",t.push(r)}return"fragment"===e&&0===s.length&&s.push(`layout( location = 0 ) out ${this.getOutputType()} fragColor;`),"\n"+s.join("\n")+"\n\n"+t.join("\n")}getVaryings(e){let t="";const r=this.varyings;if("vertex"===e||"compute"===e)for(const s of r){"compute"===e&&(s.needsInterpolation=!0);const r=this.getType(s.type);if(s.needsInterpolation)if(s.interpolationType){t+=`${tR[s.interpolationType]||s.interpolationType} ${rR[s.interpolationSampling]||""} out ${r} ${s.name};\n`}else{t+=`${r.includes("int")||r.includes("uv")||r.includes("iv")?"flat ":""}out ${r} ${s.name};\n`}else t+=`${r} ${s.name};\n`}else if("fragment"===e)for(const e of r)if(e.needsInterpolation){const r=this.getType(e.type);if(e.interpolationType){t+=`${tR[e.interpolationType]||e.interpolationType} ${rR[e.interpolationSampling]||""} in ${r} ${e.name};\n`}else{t+=`${r.includes("int")||r.includes("uv")||r.includes("iv")?"flat ":""}in ${r} ${e.name};\n`}}for(const r of this.builtins[e])t+=`${r};\n`;return t}getVertexIndex(){return"uint( gl_VertexID )"}getInstanceIndex(){return"uint( gl_InstanceID )"}getInvocationLocalIndex(){return`uint( gl_InstanceID ) % ${this.object.workgroupSize.reduce((e,t)=>e*t,1)}u`}getSubgroupSize(){o("GLSLNodeBuilder: WebGLBackend does not support the subgroupSize node")}getInvocationSubgroupIndex(){o("GLSLNodeBuilder: WebGLBackend does not support the invocationSubgroupIndex node")}getSubgroupIndex(){o("GLSLNodeBuilder: WebGLBackend does not support the subgroupIndex node")}getDrawIndex(){return this.renderer.backend.extensions.has("WEBGL_multi_draw")?"uint( gl_DrawID )":"nodeUniformDrawId"}getFrontFacing(){return"gl_FrontFacing"}getFragCoord(){return"gl_FragCoord.xy"}getFragDepth(){return"gl_FragDepth"}enableExtension(e,t,r=this.shaderStage){const s=this.extensions[r]||(this.extensions[r]=new Map);!1===s.has(e)&&s.set(e,{name:e,behavior:t})}getExtensions(e){const t=[];if("vertex"===e){const t=this.renderer.backend.extensions;this.object.isBatchedMesh&&t.has("WEBGL_multi_draw")&&this.enableExtension("GL_ANGLE_multi_draw","require",e)}const r=this.extensions[e];if(void 0!==r)for(const{name:e,behavior:s}of r.values())t.push(`#extension ${e} : ${s}`);return t.join("\n")}getClipDistance(){return"gl_ClipDistance"}isAvailable(e){let t=eR[e];if(void 0===t){let r;switch(t=!1,e){case"float32Filterable":r="OES_texture_float_linear";break;case"clipDistance":r="WEBGL_clip_cull_distance"}if(void 0!==r){const e=this.renderer.backend.extensions;e.has(r)&&(e.get(r),t=!0)}eR[e]=t}return t}isFlipY(){return!0}enableHardwareClipping(e){this.enableExtension("GL_ANGLE_clip_cull_distance","require"),this.builtins.vertex.push(`out float gl_ClipDistance[ ${e} ]`)}enableMultiview(){this.enableExtension("GL_OVR_multiview2","require","fragment"),this.enableExtension("GL_OVR_multiview2","require","vertex"),this.builtins.vertex.push("layout(num_views = 2) in")}registerTransform(e,t){this.transforms.push({varyingName:e,attributeNode:t})}getTransforms(){const e=this.transforms;let t="";for(let r=0;r0&&(r+="\n"),r+=`\t// flow -> ${n}\n\t`),r+=`${s.code}\n\t`,e===i&&"compute"!==t&&(r+="// result\n\t","vertex"===t?(r+="gl_Position = ",r+=`${this.format(s.result,i.getNodeType(this),"vec4")};`):"fragment"===t&&(e.outputNode.isOutputStructNode||(r+="fragColor = ",r+=`${this.format(s.result,i.getNodeType(this),this.getOutputType())};`)))}const n=e[t];if(n.extensions=this.getExtensions(t),n.uniforms=this.getUniforms(t),n.attributes=this.getAttributes(t),n.varyings=this.getVaryings(t),n.vars=this.getVars(t,!0),n.structs=this.getStructs(t),n.codes=this.getCodes(t),n.transforms=this.getTransforms(t),n.flow=r,"vertex"===t){const e=this.renderer.backend.extensions;this.object.isBatchedMesh&&!1===e.has("WEBGL_multi_draw")&&(n.uniforms+="\nuniform uint nodeUniformDrawId;\n")}}null!==this.material?(this.vertexShader=this._getGLSLVertexCode(e.vertex),this.fragmentShader=this._getGLSLFragmentCode(e.fragment)):this.computeShader=this._getGLSLVertexCode(e.compute)}getUniformFromNode(e,t,r,s=null){const i=super.getUniformFromNode(e,t,r,s),n=this.getDataFromNode(e,r,this.globalCache);let a=n.uniformGPU;if(void 0===a){const s=e.groupNode,o=s.name,u=this.getBindGroupArray(o,r);if("texture"===t)a=new XE(i.name,i.node,s),u.push(a);else if("cubeTexture"===t||"cubeDepthTexture"===t)a=new YE(i.name,i.node,s),u.push(a);else if("texture3D"===t)a=new QE(i.name,i.node,s),u.push(a);else if("buffer"===t){i.name=`buffer${e.id}`;const t=this.getSharedDataFromNode(e);let r=t.buffer;void 0===r&&(e.name=`NodeBuffer_${e.id}`,r=new GE(e,s),r.name=e.name,t.buffer=r),u.push(r),a=r}else{let e=this.uniformGroups[o];void 0===e?(e=new WE(o,s),this.uniformGroups[o]=e,u.push(e)):-1===u.indexOf(e)&&u.push(e),a=this.getNodeUniform(i,t);const r=a.name;e.uniforms.some(e=>e.name===r)||e.addUniform(a)}n.uniformGPU=a}return i}}let nR=null,aR=null;class oR{constructor(e={}){this.parameters=Object.assign({},e),this.data=new WeakMap,this.renderer=null,this.domElement=null,this.timestampQueryPool={[Pt.RENDER]:null,[Pt.COMPUTE]:null},this.trackTimestamp=!0===e.trackTimestamp}async init(e){this.renderer=e}get coordinateSystem(){}beginRender(){}finishRender(){}setXRTarget(){}beginCompute(){}finishCompute(){}draw(){}compute(){}createProgram(){}destroyProgram(){}createBindings(){}updateBindings(){}updateBinding(){}createRenderPipeline(){}createComputePipeline(){}needsRenderUpdate(){}getRenderCacheKey(){}createNodeBuilder(){}updateSampler(){}destroySampler(){}createDefaultTexture(){}createTexture(){}updateTexture(){}generateMipmaps(){}destroyTexture(){}async copyTextureToBuffer(){}copyTextureToTexture(){}copyFramebufferToTexture(){}createAttribute(){}createIndexAttribute(){}createStorageAttribute(){}createUniformBuffer(){}destroyUniformBuffer(){}updateAttribute(){}destroyAttribute(){}getContext(){}updateSize(){}updateViewport(){}updateTimeStampUID(e){const t=this.get(e),r=this.renderer.info.frame;let s;s=!0===e.isComputeNode?"c:"+this.renderer.info.compute.frameCalls:"r:"+this.renderer.info.render.frameCalls,t.timestampUID=s+":"+e.id+":f"+r}getTimestampUID(e){return this.get(e).timestampUID}getTimestampFrames(e){const t=this.timestampQueryPool[e];return t?t.getTimestampFrames():[]}_getQueryPool(e){const t=e.startsWith("c:")?Pt.COMPUTE:Pt.RENDER;return this.timestampQueryPool[t]}getTimestamp(e){return this._getQueryPool(e).getTimestamp(e)}get hasTimestamp(){return!1}hasTimestampQuery(e){return this._getQueryPool(e).hasTimestampQuery(e)}isOccluded(){}async resolveTimestampsAsync(e="render"){if(!this.trackTimestamp)return void v("WebGPURenderer: Timestamp tracking is disabled.");const t=this.timestampQueryPool[e];if(!t)return;const r=await t.resolveQueriesAsync();return this.renderer.info[e].timestamp=r,r}async getArrayBufferAsync(){}async hasFeatureAsync(){}hasFeature(){}getDrawingBufferSize(){return nR=nR||new t,this.renderer.getDrawingBufferSize(nR)}setScissorTest(){}getClearColor(){const e=this.renderer;return aR=aR||new wb,e.getClearColor(aR),aR.getRGB(aR),aR}getDomElement(){let e=this.domElement;return null===e&&(e=void 0!==this.parameters.canvas?this.parameters.canvas:Ut(),"setAttribute"in e&&e.setAttribute("data-engine",`three.js r${_t} webgpu`),this.domElement=e),e}hasCompatibility(){return!1}initRenderTarget(){}set(e,t){this.data.set(e,t)}get(e){let t=this.data.get(e);return void 0===t&&(t={},this.data.set(e,t)),t}has(e){return this.data.has(e)}delete(e){this.data.delete(e)}deleteBindGroupData(){}dispose(){}}let uR,lR,dR=0;class cR{constructor(e,t){this.buffers=[e.bufferGPU,t],this.type=e.type,this.bufferType=e.bufferType,this.pbo=e.pbo,this.byteLength=e.byteLength,this.bytesPerElement=e.BYTES_PER_ELEMENT,this.version=e.version,this.isInteger=e.isInteger,this.activeBufferIndex=0,this.baseId=e.id}get id(){return`${this.baseId}|${this.activeBufferIndex}`}get bufferGPU(){return this.buffers[this.activeBufferIndex]}get transformBuffer(){return this.buffers[1^this.activeBufferIndex]}switchBuffers(){this.activeBufferIndex^=1}}class hR{constructor(e){this.backend=e}createAttribute(e,t){const r=this.backend,{gl:s}=r,i=e.array,n=e.usage||s.STATIC_DRAW,a=e.isInterleavedBufferAttribute?e.data:e,o=r.get(a);let u,l=o.bufferGPU;if(void 0===l&&(l=this._createBuffer(s,t,i,n),o.bufferGPU=l,o.bufferType=t,o.version=a.version),i instanceof Float32Array)u=s.FLOAT;else if("undefined"!=typeof Float16Array&&i instanceof Float16Array)u=s.HALF_FLOAT;else if(i instanceof Uint16Array)u=e.isFloat16BufferAttribute?s.HALF_FLOAT:s.UNSIGNED_SHORT;else if(i instanceof Int16Array)u=s.SHORT;else if(i instanceof Uint32Array)u=s.UNSIGNED_INT;else if(i instanceof Int32Array)u=s.INT;else if(i instanceof Int8Array)u=s.BYTE;else if(i instanceof Uint8Array)u=s.UNSIGNED_BYTE;else{if(!(i instanceof Uint8ClampedArray))throw new Error("THREE.WebGLBackend: Unsupported buffer data format: "+i);u=s.UNSIGNED_BYTE}let d={bufferGPU:l,bufferType:t,type:u,byteLength:i.byteLength,bytesPerElement:i.BYTES_PER_ELEMENT,version:e.version,pbo:e.pbo,isInteger:u===s.INT||u===s.UNSIGNED_INT||e.gpuType===E,id:dR++};if(e.isStorageBufferAttribute||e.isStorageInstancedBufferAttribute){const e=this._createBuffer(s,t,i,n);d=new cR(d,e)}r.set(e,d)}updateAttribute(e){const t=this.backend,{gl:r}=t,s=e.array,i=e.isInterleavedBufferAttribute?e.data:e,n=t.get(i),a=n.bufferType,o=e.isInterleavedBufferAttribute?e.data.updateRanges:e.updateRanges;if(r.bindBuffer(a,n.bufferGPU),0===o.length)r.bufferSubData(a,0,s);else{for(let e=0,t=o.length;e{t.buffer=null,t._mapped=!1,t.removeEventListener("release",e),t.removeEventListener("dispose",e)};t.addEventListener("release",e),t.addEventListener("dispose",e),d=new Uint8Array(new ArrayBuffer(l)),t.buffer=d.buffer}else d=new Uint8Array(t);return n.bindBuffer(n.COPY_READ_BUFFER,u),n.getBufferSubData(n.COPY_READ_BUFFER,r,d),n.bindBuffer(n.COPY_READ_BUFFER,null),n.bindBuffer(n.COPY_WRITE_BUFFER,null),t&&t.isReadbackBuffer?t:d.buffer}_createBuffer(e,t,r,s){const i=e.createBuffer();return e.bindBuffer(t,i),e.bufferData(t,r,s),e.bindBuffer(t,null),i}}class pR{constructor(e){this.backend=e,this.gl=this.backend.gl,this.enabled={},this.parameters={},this.currentFlipSided=null,this.currentCullFace=null,this.currentProgram=null,this.currentBlendingEnabled=!1,this.currentBlending=null,this.currentBlendSrc=null,this.currentBlendDst=null,this.currentBlendSrcAlpha=null,this.currentBlendDstAlpha=null,this.currentPremultipledAlpha=null,this.currentPolygonOffsetFactor=null,this.currentPolygonOffsetUnits=null,this.currentColorMask=null,this.currentDepthReversed=!1,this.currentDepthFunc=null,this.currentDepthMask=null,this.currentStencilFunc=null,this.currentStencilRef=null,this.currentStencilFuncMask=null,this.currentStencilFail=null,this.currentStencilZFail=null,this.currentStencilZPass=null,this.currentStencilMask=null,this.currentLineWidth=null,this.currentClippingPlanes=0,this.currentVAO=null,this.currentIndex=null,this.currentBoundFramebuffers={},this.currentDrawbuffers=new WeakMap,this.maxTextures=this.gl.getParameter(this.gl.MAX_TEXTURE_IMAGE_UNITS),this.currentTextureSlot=null,this.currentBoundTextures={},this.currentBoundBufferBases={},this._init()}_init(){const e=this.gl;uR={[it]:e.FUNC_ADD,[Ot]:e.FUNC_SUBTRACT,[Dt]:e.FUNC_REVERSE_SUBTRACT},lR={[Rt]:e.ZERO,[Ht]:e.ONE,[Wt]:e.SRC_COLOR,[rt]:e.SRC_ALPHA,[$t]:e.SRC_ALPHA_SATURATE,[zt]:e.DST_COLOR,[Gt]:e.DST_ALPHA,[kt]:e.ONE_MINUS_SRC_COLOR,[st]:e.ONE_MINUS_SRC_ALPHA,[Vt]:e.ONE_MINUS_DST_COLOR,[It]:e.ONE_MINUS_DST_ALPHA};const t=e.getParameter(e.SCISSOR_BOX),r=e.getParameter(e.VIEWPORT);this.currentScissor=(new s).fromArray(t),this.currentViewport=(new s).fromArray(r),this._tempVec4=new s}enable(e){const{enabled:t}=this;!0!==t[e]&&(this.gl.enable(e),t[e]=!0)}disable(e){const{enabled:t}=this;!1!==t[e]&&(this.gl.disable(e),t[e]=!1)}setFlipSided(e){if(this.currentFlipSided!==e){const{gl:t}=this;e?t.frontFace(t.CW):t.frontFace(t.CCW),this.currentFlipSided=e}}setCullFace(e){const{gl:t}=this;e!==jt?(this.enable(t.CULL_FACE),e!==this.currentCullFace&&(e===qt?t.cullFace(t.BACK):e===Xt?t.cullFace(t.FRONT):t.cullFace(t.FRONT_AND_BACK))):this.disable(t.CULL_FACE),this.currentCullFace=e}setLineWidth(e){const{currentLineWidth:t,gl:r}=this;e!==t&&(r.lineWidth(e),this.currentLineWidth=e)}setMRTBlending(e,t,r){const s=this.gl,i=this.backend.drawBuffersIndexedExt;if(i)for(let n=0;n0?this.enable(s.SAMPLE_ALPHA_TO_COVERAGE):this.disable(s.SAMPLE_ALPHA_TO_COVERAGE),r>0&&this.currentClippingPlanes!==r){const e=12288;for(let t=0;t<8;t++)t{!function i(){const n=e.clientWaitSync(t,e.SYNC_FLUSH_COMMANDS_BIT,0);if(n===e.WAIT_FAILED)return e.deleteSync(t),void s();n!==e.TIMEOUT_EXPIRED?(e.deleteSync(t),r()):requestAnimationFrame(i)}()})}}let mR,fR,yR,bR=!1;class xR{constructor(e){this.backend=e,this.gl=e.gl,this.extensions=e.extensions,this.defaultTextures={},this._srcFramebuffer=null,this._dstFramebuffer=null,!1===bR&&(this._init(),bR=!0)}_init(){const e=this.gl;mR={[zr]:e.REPEAT,[_e]:e.CLAMP_TO_EDGE,[Gr]:e.MIRRORED_REPEAT},fR={[B]:e.NEAREST,[$r]:e.NEAREST_MIPMAP_NEAREST,[bt]:e.NEAREST_MIPMAP_LINEAR,[le]:e.LINEAR,[yt]:e.LINEAR_MIPMAP_NEAREST,[K]:e.LINEAR_MIPMAP_LINEAR},yR={[qr]:e.NEVER,[jr]:e.ALWAYS,[w]:e.LESS,[A]:e.LEQUAL,[Hr]:e.EQUAL,[M]:e.GEQUAL,[C]:e.GREATER,[Wr]:e.NOTEQUAL}}getGLTextureType(e){const{gl:t}=this;let r;return r=!0===e.isCubeTexture?t.TEXTURE_CUBE_MAP:!0===e.isArrayTexture||!0===e.isDataArrayTexture||!0===e.isCompressedArrayTexture?t.TEXTURE_2D_ARRAY:!0===e.isData3DTexture?t.TEXTURE_3D:t.TEXTURE_2D,r}getInternalFormat(e,t,r,s,i,n=!1){const{gl:a,extensions:o}=this;if(null!==e){if(void 0!==a[e])return a[e];d("WebGLBackend: Attempt to use non-existing WebGL internal format '"+e+"'")}let u=null;s&&(u=o.get("EXT_texture_norm16"),u||d("WebGLRenderer: Unable to use normalized textures without EXT_texture_norm16 extension"));let l=t;if(t===a.RED&&(r===a.FLOAT&&(l=a.R32F),r===a.HALF_FLOAT&&(l=a.R16F),r===a.UNSIGNED_BYTE&&(l=a.R8),r===a.BYTE&&(l=a.R8_SNORM),r===a.UNSIGNED_SHORT&&u&&(l=u.R16_EXT),r===a.SHORT&&u&&(l=u.R16_SNORM_EXT)),t===a.RED_INTEGER&&(r===a.UNSIGNED_BYTE&&(l=a.R8UI),r===a.UNSIGNED_SHORT&&(l=a.R16UI),r===a.UNSIGNED_INT&&(l=a.R32UI),r===a.BYTE&&(l=a.R8I),r===a.SHORT&&(l=a.R16I),r===a.INT&&(l=a.R32I)),t===a.RG&&(r===a.FLOAT&&(l=a.RG32F),r===a.HALF_FLOAT&&(l=a.RG16F),r===a.UNSIGNED_BYTE&&(l=a.RG8),r===a.BYTE&&(l=a.RG8_SNORM),r===a.UNSIGNED_SHORT&&u&&(l=u.RG16_EXT),r===a.SHORT&&u&&(l=u.RG16_SNORM_EXT)),t===a.RG_INTEGER&&(r===a.UNSIGNED_BYTE&&(l=a.RG8UI),r===a.UNSIGNED_SHORT&&(l=a.RG16UI),r===a.UNSIGNED_INT&&(l=a.RG32UI),r===a.BYTE&&(l=a.RG8I),r===a.SHORT&&(l=a.RG16I),r===a.INT&&(l=a.RG32I)),t===a.RGB){const e=n?Xr:p.getTransfer(i);r===a.FLOAT&&(l=a.RGB32F),r===a.HALF_FLOAT&&(l=a.RGB16F),r===a.UNSIGNED_BYTE&&(l=e===g?a.SRGB8:a.RGB8),r===a.BYTE&&(l=a.RGB8_SNORM),r===a.UNSIGNED_SHORT&&u&&(l=u.RGB16_EXT),r===a.SHORT&&u&&(l=u.RGB16_SNORM_EXT),r===a.UNSIGNED_SHORT_5_6_5&&(l=a.RGB565),r===a.UNSIGNED_SHORT_5_5_5_1&&(l=a.RGB5_A1),r===a.UNSIGNED_SHORT_4_4_4_4&&(l=a.RGB4),r===a.UNSIGNED_INT_5_9_9_9_REV&&(l=a.RGB9_E5),r===a.UNSIGNED_INT_10F_11F_11F_REV&&(l=a.R11F_G11F_B10F)}if(t===a.RGB_INTEGER&&(r===a.UNSIGNED_BYTE&&(l=a.RGB8UI),r===a.UNSIGNED_SHORT&&(l=a.RGB16UI),r===a.UNSIGNED_INT&&(l=a.RGB32UI),r===a.BYTE&&(l=a.RGB8I),r===a.SHORT&&(l=a.RGB16I),r===a.INT&&(l=a.RGB32I)),t===a.RGBA){const e=n?Xr:p.getTransfer(i);r===a.FLOAT&&(l=a.RGBA32F),r===a.HALF_FLOAT&&(l=a.RGBA16F),r===a.UNSIGNED_BYTE&&(l=e===g?a.SRGB8_ALPHA8:a.RGBA8),r===a.BYTE&&(l=a.RGBA8_SNORM),r===a.UNSIGNED_SHORT&&u&&(l=u.RGBA16_EXT),r===a.SHORT&&u&&(l=u.RGBA16_SNORM_EXT),r===a.UNSIGNED_SHORT_4_4_4_4&&(l=a.RGBA4),r===a.UNSIGNED_SHORT_5_5_5_1&&(l=a.RGB5_A1)}return t===a.RGBA_INTEGER&&(r===a.UNSIGNED_BYTE&&(l=a.RGBA8UI),r===a.UNSIGNED_SHORT&&(l=a.RGBA16UI),r===a.UNSIGNED_INT&&(l=a.RGBA32UI),r===a.BYTE&&(l=a.RGBA8I),r===a.SHORT&&(l=a.RGBA16I),r===a.INT&&(l=a.RGBA32I)),t===a.DEPTH_COMPONENT&&(r===a.UNSIGNED_SHORT&&(l=a.DEPTH_COMPONENT16),r===a.UNSIGNED_INT&&(l=a.DEPTH_COMPONENT24),r===a.FLOAT&&(l=a.DEPTH_COMPONENT32F)),t===a.DEPTH_STENCIL&&r===a.UNSIGNED_INT_24_8&&(l=a.DEPTH24_STENCIL8),l!==a.R16F&&l!==a.R32F&&l!==a.RG16F&&l!==a.RG32F&&l!==a.RGBA16F&&l!==a.RGBA32F||o.get("EXT_color_buffer_float"),l}setTextureParameters(e,t){const{gl:r,extensions:s,backend:i}=this,{state:n}=this.backend,a=p.getPrimaries(p.workingColorSpace),o=t.colorSpace===T?null:p.getPrimaries(t.colorSpace),u=t.colorSpace===T||a===o?r.NONE:r.BROWSER_DEFAULT_WEBGL;n.pixelStorei(r.UNPACK_FLIP_Y_WEBGL,t.flipY),n.pixelStorei(r.UNPACK_PREMULTIPLY_ALPHA_WEBGL,t.premultiplyAlpha),n.pixelStorei(r.UNPACK_ALIGNMENT,t.unpackAlignment),n.pixelStorei(r.UNPACK_COLORSPACE_CONVERSION_WEBGL,u),r.texParameteri(e,r.TEXTURE_WRAP_S,mR[t.wrapS]),r.texParameteri(e,r.TEXTURE_WRAP_T,mR[t.wrapT]),e!==r.TEXTURE_3D&&e!==r.TEXTURE_2D_ARRAY||t.isArrayTexture||r.texParameteri(e,r.TEXTURE_WRAP_R,mR[t.wrapR]),r.texParameteri(e,r.TEXTURE_MAG_FILTER,fR[t.magFilter]);const l=void 0!==t.mipmaps&&t.mipmaps.length>0,d=t.minFilter===le&&l?K:t.minFilter;if(r.texParameteri(e,r.TEXTURE_MIN_FILTER,fR[d]),t.compareFunction&&(r.texParameteri(e,r.TEXTURE_COMPARE_MODE,r.COMPARE_REF_TO_TEXTURE),r.texParameteri(e,r.TEXTURE_COMPARE_FUNC,yR[t.compareFunction])),!0===s.has("EXT_texture_filter_anisotropic")){if(t.magFilter===B)return;if(t.minFilter!==bt&&t.minFilter!==K)return;if(t.type===Y&&!1===s.has("OES_texture_float_linear"))return;if(t.anisotropy>1){const n=s.get("EXT_texture_filter_anisotropic");r.texParameterf(e,n.TEXTURE_MAX_ANISOTROPY_EXT,Math.min(t.anisotropy,i.capabilities.getMaxAnisotropy()))}}}createDefaultTexture(e){const{gl:t,backend:r,defaultTextures:s}=this,i=this.getGLTextureType(e);let n=s[i];void 0===n&&(n=t.createTexture(),r.state.bindTexture(i,n),t.texParameteri(i,t.TEXTURE_MIN_FILTER,t.NEAREST),t.texParameteri(i,t.TEXTURE_MAG_FILTER,t.NEAREST),s[i]=n),r.set(e,{textureGPU:n,glTextureType:i})}createTexture(e,t){const{gl:r,backend:s}=this;let i,n,a,o,u;if(!0===e.isExternalTexture)i=e.sourceTexture,n=this.getGLTextureType(e);else{const{levels:l,width:d,height:c,depth:h}=t;a=s.utils.convert(e.format,e.colorSpace),o=s.utils.convert(e.type),u=this.getInternalFormat(e.internalFormat,a,o,e.normalized,e.colorSpace,e.isVideoTexture),i=r.createTexture(),n=this.getGLTextureType(e),s.state.bindTexture(n,i),this.setTextureParameters(n,e),e.isArrayTexture||e.isDataArrayTexture||e.isCompressedArrayTexture?r.texStorage3D(r.TEXTURE_2D_ARRAY,l,u,d,c,h):e.isData3DTexture?r.texStorage3D(r.TEXTURE_3D,l,u,d,c,h):e.isVideoTexture||r.texStorage2D(n,l,u,d,c)}s.set(e,{textureGPU:i,glTextureType:n,glFormat:a,glType:o,glInternalFormat:u})}copyBufferToTexture(e,t){const{gl:r,backend:s}=this,{state:i}=s,{textureGPU:n,glTextureType:a,glFormat:o,glType:u}=s.get(t),{width:l,height:d}=t.source.data;r.bindBuffer(r.PIXEL_UNPACK_BUFFER,e),s.state.bindTexture(a,n),i.pixelStorei(r.UNPACK_FLIP_Y_WEBGL,!1),i.pixelStorei(r.UNPACK_PREMULTIPLY_ALPHA_WEBGL,!1),r.texSubImage2D(a,0,0,0,l,d,o,u,0),r.bindBuffer(r.PIXEL_UNPACK_BUFFER,null),s.state.unbindTexture()}updateTexture(e,t){const{gl:r}=this,{width:s,height:i}=t,{textureGPU:n,glTextureType:a,glFormat:o,glType:u,glInternalFormat:l}=this.backend.get(e);if(!e.isRenderTargetTexture&&void 0!==n)if(this.backend.state.bindTexture(a,n),this.setTextureParameters(a,e),e.isCompressedTexture){const s=e.mipmaps,i=t.image;for(let t=0;t0){const t=Yr(s.width,s.height,e.format,e.type);for(const i of e.layerUpdates){const e=s.data.subarray(i*t/s.data.BYTES_PER_ELEMENT,(i+1)*t/s.data.BYTES_PER_ELEMENT);r.texSubImage3D(r.TEXTURE_2D_ARRAY,0,0,0,i,s.width,s.height,1,o,u,e)}e.clearLayerUpdates()}else r.texSubImage3D(r.TEXTURE_2D_ARRAY,0,0,0,0,s.width,s.height,s.depth,o,u,s.data)}else if(e.isData3DTexture){const e=t.image;r.texSubImage3D(r.TEXTURE_3D,0,0,0,0,e.width,e.height,e.depth,o,u,e.data)}else if(e.isVideoTexture)e.update(),r.texImage2D(a,0,l,o,u,t.image);else if(e.isHTMLTexture)"function"==typeof r.texElementImage2D&&(3===r.texElementImage2D.length?r.texElementImage2D(r.TEXTURE_2D,r.RGBA8,t.image):r.texElementImage2D(r.TEXTURE_2D,0,r.RGBA,r.RGBA,r.UNSIGNED_BYTE,t.image));else{const n=e.mipmaps;if(n.length>0)for(let e=0,t=n.length;e0,c=t.renderTarget?t.renderTarget.height:this.backend.getDrawingBufferSize().y;if(d){const r=0!==a||0!==o;let d,h;if(!0===e.isDepthTexture?(d=s.DEPTH_BUFFER_BIT,h=s.DEPTH_ATTACHMENT,t.stencil&&(d|=s.STENCIL_BUFFER_BIT)):(d=s.COLOR_BUFFER_BIT,h=s.COLOR_ATTACHMENT0),r){const e=this.backend.get(t.renderTarget),r=e.framebuffers[t.getCacheKey()],h=e.msaaFrameBuffer;i.bindFramebuffer(s.DRAW_FRAMEBUFFER,r),i.bindFramebuffer(s.READ_FRAMEBUFFER,h);const p=c-o-l;s.blitFramebuffer(a,p,a+u,p+l,a,p,a+u,p+l,d,s.NEAREST),i.bindFramebuffer(s.READ_FRAMEBUFFER,r),i.bindTexture(s.TEXTURE_2D,n),s.copyTexSubImage2D(s.TEXTURE_2D,0,0,0,a,p,u,l),i.unbindTexture()}else{const e=s.createFramebuffer();i.bindFramebuffer(s.DRAW_FRAMEBUFFER,e),s.framebufferTexture2D(s.DRAW_FRAMEBUFFER,h,s.TEXTURE_2D,n,0),s.blitFramebuffer(0,0,u,l,0,0,u,l,d,s.NEAREST),s.deleteFramebuffer(e)}}else i.bindTexture(s.TEXTURE_2D,n),s.copyTexSubImage2D(s.TEXTURE_2D,0,0,0,a,c-l-o,u,l),i.unbindTexture();e.generateMipmaps&&this.generateMipmaps(e),this.backend._setFramebuffer(t)}setupRenderBufferStorage(e,t,r,s=!1){const{gl:i}=this,n=t.renderTarget,{depthTexture:a,depthBuffer:o,stencilBuffer:u,width:l,height:d}=n;if(i.bindRenderbuffer(i.RENDERBUFFER,e),o&&!u){let t=i.DEPTH_COMPONENT24;if(!0===s){this.extensions.get("WEBGL_multisampled_render_to_texture").renderbufferStorageMultisampleEXT(i.RENDERBUFFER,n.samples,t,l,d)}else r>0?(a&&a.isDepthTexture&&a.type===i.FLOAT&&(t=i.DEPTH_COMPONENT32F),i.renderbufferStorageMultisample(i.RENDERBUFFER,r,t,l,d)):i.renderbufferStorage(i.RENDERBUFFER,t,l,d);i.framebufferRenderbuffer(i.FRAMEBUFFER,i.DEPTH_ATTACHMENT,i.RENDERBUFFER,e)}else o&&u&&(r>0?i.renderbufferStorageMultisample(i.RENDERBUFFER,r,i.DEPTH24_STENCIL8,l,d):i.renderbufferStorage(i.RENDERBUFFER,i.DEPTH_STENCIL,l,d),i.framebufferRenderbuffer(i.FRAMEBUFFER,i.DEPTH_STENCIL_ATTACHMENT,i.RENDERBUFFER,e));i.bindRenderbuffer(i.RENDERBUFFER,null)}async copyTextureToBuffer(e,t,r,s,i,n){const{backend:a,gl:o}=this,{textureGPU:u,glFormat:l,glType:d}=this.backend.get(e),c=o.createFramebuffer();a.state.bindFramebuffer(o.READ_FRAMEBUFFER,c);const h=e.isCubeTexture?o.TEXTURE_CUBE_MAP_POSITIVE_X+n:o.TEXTURE_2D;o.framebufferTexture2D(o.READ_FRAMEBUFFER,o.COLOR_ATTACHMENT0,h,u,0);const p=this._getTypedArrayType(d),g=s*i*this._getBytesPerTexel(d,l),m=o.createBuffer();o.bindBuffer(o.PIXEL_PACK_BUFFER,m),o.bufferData(o.PIXEL_PACK_BUFFER,g,o.STREAM_READ),o.readPixels(t,r,s,i,l,d,0),o.bindBuffer(o.PIXEL_PACK_BUFFER,null),await a.utils._clientWaitAsync();const f=new p(g/p.BYTES_PER_ELEMENT);return o.bindBuffer(o.PIXEL_PACK_BUFFER,m),o.getBufferSubData(o.PIXEL_PACK_BUFFER,0,f),o.bindBuffer(o.PIXEL_PACK_BUFFER,null),a.state.bindFramebuffer(o.READ_FRAMEBUFFER,null),o.deleteFramebuffer(c),f}_getTypedArrayType(e){const{gl:t}=this;if(e===t.UNSIGNED_BYTE)return Uint8Array;if(e===t.UNSIGNED_SHORT_4_4_4_4)return Uint16Array;if(e===t.UNSIGNED_SHORT_5_5_5_1)return Uint16Array;if(e===t.UNSIGNED_SHORT_5_6_5)return Uint16Array;if(e===t.UNSIGNED_SHORT)return Uint16Array;if(e===t.UNSIGNED_INT)return Uint32Array;if(e===t.HALF_FLOAT)return Uint16Array;if(e===t.FLOAT)return Float32Array;throw new Error(`THREE.WebGLTextureUtils: Unsupported WebGL type: ${e}`)}_getBytesPerTexel(e,t){const{gl:r}=this;let s=0;return e===r.UNSIGNED_BYTE&&(s=1),e!==r.UNSIGNED_SHORT_4_4_4_4&&e!==r.UNSIGNED_SHORT_5_5_5_1&&e!==r.UNSIGNED_SHORT_5_6_5&&e!==r.UNSIGNED_SHORT&&e!==r.HALF_FLOAT||(s=2),e!==r.UNSIGNED_INT&&e!==r.FLOAT||(s=4),t===r.RGBA?4*s:t===r.RGB?3*s:t===r.ALPHA?s:void 0}dispose(){const{gl:e}=this;null!==this._srcFramebuffer&&e.deleteFramebuffer(this._srcFramebuffer),null!==this._dstFramebuffer&&e.deleteFramebuffer(this._dstFramebuffer)}}function TR(e){return e.isDataTexture?e.image.data:"undefined"!=typeof HTMLImageElement&&e instanceof HTMLImageElement||"undefined"!=typeof HTMLCanvasElement&&e instanceof HTMLCanvasElement||"undefined"!=typeof ImageBitmap&&e instanceof ImageBitmap||"undefined"!=typeof OffscreenCanvas&&e instanceof OffscreenCanvas?e:e.data}class _R{constructor(e){this.backend=e,this.gl=this.backend.gl,this.availableExtensions=this.gl.getSupportedExtensions(),this.extensions={}}get(e){let t=this.extensions[e];return void 0===t&&(t=this.gl.getExtension(e),this.extensions[e]=t),t}has(e){return this.availableExtensions.includes(e)}}class vR{constructor(e){this.backend=e,this.maxAnisotropy=null,this.maxUniformBlockSize=null}getMaxAnisotropy(){if(null!==this.maxAnisotropy)return this.maxAnisotropy;const e=this.backend.gl,t=this.backend.extensions;if(!0===t.has("EXT_texture_filter_anisotropic")){const r=t.get("EXT_texture_filter_anisotropic");this.maxAnisotropy=e.getParameter(r.MAX_TEXTURE_MAX_ANISOTROPY_EXT)}else this.maxAnisotropy=0;return this.maxAnisotropy}getUniformBufferLimit(){if(null!==this.maxUniformBlockSize)return this.maxUniformBlockSize;const e=this.backend.gl;return this.maxUniformBlockSize=e.getParameter(e.MAX_UNIFORM_BLOCK_SIZE),this.maxUniformBlockSize}}const NR={WEBGL_multi_draw:"WEBGL_multi_draw",WEBGL_compressed_texture_astc:"texture-compression-astc",WEBGL_compressed_texture_etc:"texture-compression-etc2",WEBGL_compressed_texture_etc1:"texture-compression-etc1",WEBGL_compressed_texture_pvrtc:"texture-compression-pvrtc",WEBGL_compressed_texture_s3tc:"texture-compression-s3tc",EXT_texture_compression_bptc:"texture-compression-bc",EXT_disjoint_timer_query_webgl2:"timestamp-query",OVR_multiview2:"OVR_multiview2"};class SR{constructor(e){this.gl=e.gl,this.extensions=e.extensions,this.info=e.renderer.info,this.mode=null,this.index=0,this.type=null,this.object=null}render(e,t){const{gl:r,mode:s,object:i,type:n,info:a,index:o}=this;0!==o?r.drawElements(s,t,n,e):r.drawArrays(s,e,t),a.update(i,t,1)}renderInstances(e,t,r){const{gl:s,mode:i,type:n,index:a,object:o,info:u}=this;0!==r&&(0!==a?s.drawElementsInstanced(i,t,n,e,r):s.drawArraysInstanced(i,e,t,r),u.update(o,t,r))}renderMultiDraw(e,t,r){const{extensions:s,mode:i,object:n,info:a}=this;if(0===r)return;const o=s.get("WEBGL_multi_draw");if(null===o)for(let s=0;sthis.maxQueries)return v(`WebGLTimestampQueryPool [${this.type}]: Maximum number of queries exceeded, when using trackTimestamp it is necessary to resolves the queries via renderer.resolveTimestampsAsync( THREE.TimestampQuery.${this.type.toUpperCase()} ).`),null;const t=this.currentQueryIndex;return this.currentQueryIndex+=2,this.queryStates.set(t,"inactive"),this.queryOffsets.set(e,t),t}beginQuery(e){if(!this.trackTimestamp||this.isDisposed)return;const t=this.queryOffsets.get(e);if(null==t)return;if(null!==this.activeQuery)return;const r=this.queries[t];if(r)try{"inactive"===this.queryStates.get(t)&&(this.gl.beginQuery(this.ext.TIME_ELAPSED_EXT,r),this.activeQuery=t,this.queryStates.set(t,"started"))}catch(e){o("Error in beginQuery:",e),this.activeQuery=null,this.queryStates.set(t,"inactive")}}endQuery(e){if(!this.trackTimestamp||this.isDisposed)return;const t=this.queryOffsets.get(e);if(null!=t&&this.activeQuery===t)try{this.gl.endQuery(this.ext.TIME_ELAPSED_EXT),this.queryStates.set(t,"ended"),this.activeQuery=null}catch(e){o("Error in endQuery:",e),this.queryStates.set(t,"inactive"),this.activeQuery=null}}async resolveQueriesAsync(){if(!this.trackTimestamp||this.pendingResolve)return this.lastValue;this.pendingResolve=!0;try{const e=new Map;for(const[t,r]of this.queryOffsets){if("ended"===this.queryStates.get(r)){const s=this.queries[r];e.set(t,this.resolveQuery(s))}}if(0===e.size)return this.lastValue;const t={},r=[];for(const[s,i]of e){const e=s.match(/^(.*):f(\d+)$/),n=parseInt(e[2]);!1===r.includes(n)&&r.push(n),void 0===t[n]&&(t[n]=0);const a=await i;this.timestamps.set(s,a),t[n]+=a}const s=t[r[r.length-1]];return this.lastValue=s,this.frames=r,this.currentQueryIndex=0,this.queryOffsets.clear(),this.queryStates.clear(),this.activeQuery=null,s}catch(e){return o("Error resolving queries:",e),this.lastValue}finally{this.pendingResolve=!1}}async resolveQuery(e){return new Promise(t=>{if(this.isDisposed)return void t(this.lastValue);let r,s=!1;const i=e=>{s||(s=!0,r&&(clearTimeout(r),r=null),t(e))},n=()=>{if(this.isDisposed)i(this.lastValue);else try{if(this.gl.getParameter(this.ext.GPU_DISJOINT_EXT))return void i(this.lastValue);if(!this.gl.getQueryParameter(e,this.gl.QUERY_RESULT_AVAILABLE))return void(r=setTimeout(n,1));const s=this.gl.getQueryParameter(e,this.gl.QUERY_RESULT);t(Number(s)/1e6)}catch(e){o("Error checking query:",e),t(this.lastValue)}};n()})}dispose(){if(!this.isDisposed&&(this.isDisposed=!0,this.trackTimestamp)){for(const e of this.queries)this.gl.deleteQuery(e);this.queries=[],this.queryStates.clear(),this.queryOffsets.clear(),this.lastValue=0,this.activeQuery=null}}}class wR extends oR{constructor(e={}){super(e),this.isWebGLBackend=!0,this.attributeUtils=null,this.extensions=null,this.capabilities=null,this.textureUtils=null,this.bufferRenderer=null,this.gl=null,this.state=null,this.utils=null,this.vaoCache={},this.transformFeedbackCache={},this.discard=!1,this.disjoint=null,this.parallel=null,this._currentContext=null,this._knownBindings=new WeakSet,this._supportsInvalidateFramebuffer="undefined"!=typeof navigator&&/OculusBrowser/g.test(navigator.userAgent),this._xrFramebuffer=null}init(e){super.init(e);const t=this.parameters,r={antialias:e.currentSamples>0,alpha:!0,depth:e.depth,stencil:e.stencil},s=void 0!==t.context?t.context:e.domElement.getContext("webgl2",r);function i(t){t.preventDefault();const r={api:"WebGL",message:t.statusMessage||"Unknown reason",reason:null,originalEvent:t};e.onDeviceLost(r)}this._onContextLost=i,e.domElement.addEventListener("webglcontextlost",i,!1),this.gl=s,this.extensions=new _R(this),this.capabilities=new vR(this),this.attributeUtils=new hR(this),this.textureUtils=new xR(this),this.bufferRenderer=new SR(this),this.state=new pR(this),this.utils=new gR(this),this.extensions.get("EXT_color_buffer_float"),this.extensions.get("WEBGL_clip_cull_distance"),this.extensions.get("OES_texture_float_linear"),this.extensions.get("EXT_color_buffer_half_float"),this.extensions.get("WEBGL_multisampled_render_to_texture"),this.extensions.get("WEBGL_render_shared_exponent"),this.extensions.get("WEBGL_multi_draw"),this.extensions.get("OVR_multiview2"),this.extensions.get("EXT_clip_control"),this.disjoint=this.extensions.get("EXT_disjoint_timer_query_webgl2"),this.parallel=this.extensions.get("KHR_parallel_shader_compile"),this.drawBuffersIndexedExt=this.extensions.get("OES_draw_buffers_indexed"),t.reversedDepthBuffer&&(this.extensions.has("EXT_clip_control")?e.reversedDepthBuffer=!0:(d("WebGPURenderer: Unable to use reversed depth buffer due to missing EXT_clip_control extension. Fallback to default depth buffer."),e.reversedDepthBuffer=!1)),e.reversedDepthBuffer&&this.state.setReversedDepth(!0)}get coordinateSystem(){return c}get hasTimestamp(){return null!==this.disjoint}async getArrayBufferAsync(e,t=null,r=0,s=-1){return await this.attributeUtils.getArrayBufferAsync(e,t,r,s)}async makeXRCompatible(){!0!==this.gl.getContextAttributes().xrCompatible&&await this.gl.makeXRCompatible()}setXRTarget(e){this._xrFramebuffer=e}setXRRenderTargetTextures(e,t,r=null){const s=this.gl;if(this.set(e.texture,{textureGPU:t,glInternalFormat:s.RGBA8}),null!==r){const t=e.stencilBuffer?s.DEPTH24_STENCIL8:s.DEPTH_COMPONENT24;this.set(e.depthTexture,{textureGPU:r,glInternalFormat:t}),!0===this.extensions.has("WEBGL_multisampled_render_to_texture")&&!0===e._autoAllocateDepthBuffer&&!1===e.multiview&&d("WebGLBackend: Render-to-texture extension was disabled because an external texture was provided"),e._autoAllocateDepthBuffer=!1}}initTimestampQuery(e,t){if(!this.disjoint||!this.trackTimestamp)return;this.timestampQueryPool[e]||(this.timestampQueryPool[e]=new RR(this.gl,e,2048));const r=this.timestampQueryPool[e];null!==r.allocateQueriesForContext(t)&&r.beginQuery(t)}prepareTimestampBuffer(e,t){if(!this.disjoint||!this.trackTimestamp)return;this.timestampQueryPool[e].endQuery(t)}getContext(){return this.gl}beginRender(e){const{state:t}=this,r=this.get(e);if(e.viewport)this.updateViewport(e);else{const{width:e,height:r}=this.getDrawingBufferSize();t.viewport(0,0,e,r)}if(e.scissor)this.updateScissor(e);else{const{width:e,height:r}=this.getDrawingBufferSize();t.scissor(0,0,e,r)}this.initTimestampQuery(Pt.RENDER,this.getTimestampUID(e)),r.previousContext=this._currentContext,this._currentContext=e,this._setFramebuffer(e),this.clear(e.clearColor,e.clearDepth,e.clearStencil,e,!1);const s=e.occlusionQueryCount;s>0&&(r.currentOcclusionQueries=r.occlusionQueries,r.currentOcclusionQueryObjects=r.occlusionQueryObjects,r.lastOcclusionObject=null,r.occlusionQueries=new Array(s),r.occlusionQueryObjects=new Array(s),r.occlusionQueryIndex=0)}finishRender(e){const{gl:t,state:r}=this,s=this.get(e),i=s.previousContext;r.resetVertexState();const n=e.occlusionQueryCount;n>0&&(n>s.occlusionQueryIndex&&t.endQuery(t.ANY_SAMPLES_PASSED),this.resolveOccludedAsync(e));const a=e.textures;if(null!==a)for(let e=0;e{let a=0;for(let t=0;t1?t.renderInstances(r,s,i):t.render(r,s)}draw(e){const{object:t,pipeline:r,material:s,context:i,hardwareClippingPlanes:n}=e,{programGPU:a}=this.get(r),{gl:o,state:u}=this,l=this.get(i),d=e.getDrawParameters();if(null===d)return;this._bindUniforms(e.getBindings());const c=t.isMesh&&t.matrixWorld.determinantAffine()<0;u.setMaterial(s,c,n),null!==i.mrt&&null!==i.textures&&u.setMRTBlending(i.textures,i.mrt,s),u.useProgram(a);const h=e.getAttributes(),p=this.get(h);let g=p.vaoGPU;if(void 0===g){const e=this._getVaoKey(h);g=this.vaoCache[e],void 0===g&&(g=this._createVao(h),this.vaoCache[e]=g,p.vaoGPU=g)}const m=e.getIndex(),f=null!==m?this.get(m).bufferGPU:null;u.setVertexState(g,f);const y=l.lastOcclusionObject;if(y!==t&&void 0!==y){if(null!==y&&!0===y.occlusionTest&&(o.endQuery(o.ANY_SAMPLES_PASSED),l.occlusionQueryIndex++),!0===t.occlusionTest){const e=o.createQuery();o.beginQuery(o.ANY_SAMPLES_PASSED,e),l.occlusionQueries[l.occlusionQueryIndex]=e,l.occlusionQueryObjects[l.occlusionQueryIndex]=t}l.lastOcclusionObject=t}const b=this.bufferRenderer;t.isPoints?b.mode=o.POINTS:t.isLineSegments?b.mode=o.LINES:t.isLine?b.mode=o.LINE_STRIP:t.isLineLoop?b.mode=o.LINE_LOOP:!0===s.wireframe?(u.setLineWidth(s.wireframeLinewidth*this.renderer.getPixelRatio()),b.mode=o.LINES):b.mode=o.TRIANGLES;const{vertexCount:x,instanceCount:T}=d;let{firstVertex:_}=d;if(b.object=t,null!==m){_*=m.array.BYTES_PER_ELEMENT;const e=this.get(m);b.index=m.count,b.type=e.type}else b.index=0;if(!0===e.camera.isArrayCamera&&e.camera.cameras.length>0&&!1===e.camera.isMultiViewCamera){const r=this.get(e.camera),s=e.camera.cameras,i=e.getBindingGroup("cameraIndex").bindings[0];if(void 0===r.indexesGPU||r.indexesGPU.length!==s.length){const e=new Uint32Array([0,0,0,0]),t=[];for(let r=0,i=s.length;r{const i=this.parallel,n=()=>{r.getProgramParameter(a,i.COMPLETION_STATUS_KHR)?(this._completeCompile(e,s),t()):requestAnimationFrame(n)};n()});return void t.push(i)}this._completeCompile(e,s)}_handleSource(e,t){const r=e.split("\n"),s=[],i=Math.max(t-6,0),n=Math.min(t+6,r.length);for(let e=i;e":" "} ${i}: ${r[e]}`)}return s.join("\n")}_getShaderErrors(e,t,r){const s=e.getShaderParameter(t,e.COMPILE_STATUS),i=(e.getShaderInfoLog(t)||"").trim();if(s&&""===i)return"";const n=/ERROR: 0:(\d+)/.exec(i);if(n){const s=parseInt(n[1]);return r.toUpperCase()+"\n\n"+i+"\n\n"+this._handleSource(e.getShaderSource(t),s)}return i}_logProgramError(e,t,r){if(this.renderer.debug.checkShaderErrors){const s=this.gl,i=(s.getProgramInfoLog(e)||"").trim();if(!1===s.getProgramParameter(e,s.LINK_STATUS))if("function"==typeof this.renderer.debug.onShaderError)this.renderer.debug.onShaderError(s,e,r,t);else{const n=this._getShaderErrors(s,r,"vertex"),a=this._getShaderErrors(s,t,"fragment");o("WebGLProgram: Shader Error "+s.getError()+" - VALIDATE_STATUS "+s.getProgramParameter(e,s.VALIDATE_STATUS)+"\n\nProgram Info Log: "+i+"\n"+n+"\n"+a)}else""!==i&&d("WebGLProgram: Program Info Log:",i)}}_completeCompile(e,t){const{state:r,gl:s}=this,i=this.get(t),{programGPU:n,fragmentShader:a,vertexShader:o}=i;!1===s.getProgramParameter(n,s.LINK_STATUS)&&this._logProgramError(n,a,o),r.useProgram(n);const u=e.getBindings();this._setupBindings(u,n),this.set(t,{programGPU:n,pipeline:n})}createComputePipeline(e,t){const{state:r,gl:s}=this,i={stage:"fragment",code:"#version 300 es\nprecision highp float;\nvoid main() {}"};this.createProgram(i);const{computeProgram:n}=e,a=s.createProgram(),o=this.get(i).shaderGPU,u=this.get(n).shaderGPU,l=n.transforms,d=[],c=[];for(let e=0;eNR[t]===e),r=this.extensions;for(let e=0;e1,h=!0===i.isXRRenderTarget,p=!0===h&&!0===i._hasExternalTextures;let g=n.msaaFrameBuffer,m=n.depthRenderbuffer;const f=this.extensions.get("WEBGL_multisampled_render_to_texture"),y=this.extensions.get("OVR_multiview2"),b=this._useMultisampledExtension(i),x=Nb(e);let T;if(l?(n.cubeFramebuffers||(n.cubeFramebuffers={}),T=n.cubeFramebuffers[x]):h&&!1===p?T=this._xrFramebuffer:(n.framebuffers||(n.framebuffers={}),T=n.framebuffers[x]),void 0===T){T=t.createFramebuffer(),r.bindFramebuffer(t.FRAMEBUFFER,T);const s=e.textures,o=[];if(l){n.cubeFramebuffers[x]=T;const{textureGPU:e}=this.get(s[0]),r=this.renderer._activeCubeFace,i=this.renderer._activeMipmapLevel;t.framebufferTexture2D(t.FRAMEBUFFER,t.COLOR_ATTACHMENT0,t.TEXTURE_CUBE_MAP_POSITIVE_X+r,e,i)}else{n.framebuffers[x]=T;for(let r=0;r0&&!1===b&&!i.multiview){if(void 0===g){const s=[];g=t.createFramebuffer(),r.bindFramebuffer(t.FRAMEBUFFER,g);const i=[],l=e.textures;for(let r=0;r0&&!1===this._useMultisampledExtension(s)){const n=i.framebuffers[e.getCacheKey()];let a=t.COLOR_BUFFER_BIT;s.resolveDepthBuffer&&(s.depthBuffer&&(a|=t.DEPTH_BUFFER_BIT),s.stencilBuffer&&s.resolveStencilBuffer&&(a|=t.STENCIL_BUFFER_BIT));const o=i.msaaFrameBuffer,u=i.msaaRenderbuffers,l=e.textures,d=l.length>1;if(r.bindFramebuffer(t.READ_FRAMEBUFFER,o),r.bindFramebuffer(t.DRAW_FRAMEBUFFER,n),d)for(let e=0;e0&&!0===this.extensions.has("WEBGL_multisampled_render_to_texture")&&!1!==e._autoAllocateDepthBuffer}dispose(){null!==this.textureUtils&&this.textureUtils.dispose();const e=this.extensions.get("WEBGL_lose_context");e&&e.loseContext(),this.renderer.domElement.removeEventListener("webglcontextlost",this._onContextLost)}}const AR="point-list",CR="line-list",MR="line-strip",BR="triangle-list",LR="undefined"!=typeof self&&self.GPUShaderStage?self.GPUShaderStage:{VERTEX:1,FRAGMENT:2,COMPUTE:4},FR="never",PR="less",UR="equal",DR="less-equal",OR="greater",IR="not-equal",VR="greater-equal",kR="always",GR="store",zR="load",$R="clear",WR="ccw",HR="cw",jR="none",qR="back",XR="uint16",YR="uint32",QR="r8unorm",KR="r8snorm",ZR="r8uint",JR="r8sint",ew="r16uint",tw="r16sint",rw="r16float",sw="rg8unorm",iw="rg8snorm",nw="rg8uint",aw="rg8sint",ow="r16unorm",uw="r16snorm",lw="r32uint",dw="r32sint",cw="r32float",hw="rg16uint",pw="rg16sint",gw="rg16float",mw="rgba8unorm",fw="rgba8unorm-srgb",yw="rgba8snorm",bw="rgba8uint",xw="rgba8sint",Tw="bgra8unorm",_w="bgra8unorm-srgb",vw="rg16unorm",Nw="rg16snorm",Sw="rgb9e5ufloat",Ew="rgb10a2unorm",Rw="rg11b10ufloat",ww="rg32uint",Aw="rg32sint",Cw="rg32float",Mw="rgba16uint",Bw="rgba16sint",Lw="rgba16float",Fw="rgba16unorm",Pw="rgba16snorm",Uw="rgba32uint",Dw="rgba32sint",Ow="rgba32float",Iw="depth16unorm",Vw="depth24plus",kw="depth24plus-stencil8",Gw="depth32float",zw="depth32float-stencil8",$w="bc1-rgba-unorm",Ww="bc1-rgba-unorm-srgb",Hw="bc2-rgba-unorm",jw="bc2-rgba-unorm-srgb",qw="bc3-rgba-unorm",Xw="bc3-rgba-unorm-srgb",Yw="bc4-r-unorm",Qw="bc4-r-snorm",Kw="bc5-rg-unorm",Zw="bc5-rg-snorm",Jw="bc6h-rgb-ufloat",eA="bc6h-rgb-float",tA="bc7-rgba-unorm",rA="bc7-rgba-unorm-srgb",sA="etc2-rgb8unorm",iA="etc2-rgb8unorm-srgb",nA="etc2-rgb8a1unorm",aA="etc2-rgb8a1unorm-srgb",oA="etc2-rgba8unorm",uA="etc2-rgba8unorm-srgb",lA="eac-r11unorm",dA="eac-r11snorm",cA="eac-rg11unorm",hA="eac-rg11snorm",pA="astc-4x4-unorm",gA="astc-4x4-unorm-srgb",mA="astc-5x4-unorm",fA="astc-5x4-unorm-srgb",yA="astc-5x5-unorm",bA="astc-5x5-unorm-srgb",xA="astc-6x5-unorm",TA="astc-6x5-unorm-srgb",_A="astc-6x6-unorm",vA="astc-6x6-unorm-srgb",NA="astc-8x5-unorm",SA="astc-8x5-unorm-srgb",EA="astc-8x6-unorm",RA="astc-8x6-unorm-srgb",wA="astc-8x8-unorm",AA="astc-8x8-unorm-srgb",CA="astc-10x5-unorm",MA="astc-10x5-unorm-srgb",BA="astc-10x6-unorm",LA="astc-10x6-unorm-srgb",FA="astc-10x8-unorm",PA="astc-10x8-unorm-srgb",UA="astc-10x10-unorm",DA="astc-10x10-unorm-srgb",OA="astc-12x10-unorm",IA="astc-12x10-unorm-srgb",VA="astc-12x12-unorm",kA="astc-12x12-unorm-srgb",GA="clamp-to-edge",zA="repeat",$A="mirror-repeat",WA="linear",HA="nearest",jA="zero",qA="one",XA="src",YA="one-minus-src",QA="src-alpha",KA="one-minus-src-alpha",ZA="dst",JA="one-minus-dst",eC="dst-alpha",tC="one-minus-dst-alpha",rC="src-alpha-saturated",sC="constant",iC="one-minus-constant",nC="add",aC="subtract",oC="reverse-subtract",uC="min",lC="max",dC=0,cC=15,hC="keep",pC="zero",gC="replace",mC="invert",fC="increment-clamp",yC="decrement-clamp",bC="increment-wrap",xC="decrement-wrap",TC="storage",_C="read-only-storage",vC="write-only",NC="read-only",SC="read-write",EC="non-filtering",RC="comparison",wC="float",AC="unfilterable-float",CC="depth",MC="sint",BC="uint",LC="2d",FC="3d",PC="2d",UC="2d-array",DC="cube",OC="3d",IC="all",VC="vertex",kC="instance",GC={CoreFeaturesAndLimits:"core-features-and-limits",DepthClipControl:"depth-clip-control",Depth32FloatStencil8:"depth32float-stencil8",TextureCompressionBC:"texture-compression-bc",TextureCompressionBCSliced3D:"texture-compression-bc-sliced-3d",TextureCompressionETC2:"texture-compression-etc2",TextureCompressionASTC:"texture-compression-astc",TextureCompressionASTCSliced3D:"texture-compression-astc-sliced-3d",TimestampQuery:"timestamp-query",IndirectFirstInstance:"indirect-first-instance",ShaderF16:"shader-f16",RG11B10UFloat:"rg11b10ufloat-renderable",BGRA8UNormStorage:"bgra8unorm-storage",Float32Filterable:"float32-filterable",Float32Blendable:"float32-blendable",ClipDistances:"clip-distances",DualSourceBlending:"dual-source-blending",Subgroups:"subgroups",TextureFormatsTier1:"texture-formats-tier1",TextureFormatsTier2:"texture-formats-tier2"},zC={"texture-compression-s3tc":"texture-compression-bc","texture-compression-etc1":"texture-compression-etc2"};class $C extends HE{constructor(e,t,r){super(e,t?t.value:null),this.textureNode=t,this.groupNode=r}update(){const{textureNode:e}=this;return this.texture!==e.value?(this.texture=e.value,!0):super.update()}}class WC extends IE{constructor(e,t){super(e,t?t.array:null),this._attribute=t,this.isStorageBuffer=!0}get attribute(){return this._attribute}}let HC=0;class jC extends WC{constructor(e,t){super("StorageBuffer_"+HC++,e?e.value:null),this.nodeUniform=e,this.access=e?e.access:ai.READ_WRITE,this.groupNode=t}get attribute(){return this.nodeUniform.value}get buffer(){return this.nodeUniform.value.array}}const qC=[null];class XC{constructor(e){this.backend=e,this._preferredCanvasFormat=null}getCurrentDepthStencilFormat(e){let t;return e.depth&&(t=null!==e.depthTexture?this.getTextureFormatGPU(e.depthTexture):e.stencil?!0===this.backend.renderer.reversedDepthBuffer?zw:kw:!0===this.backend.renderer.reversedDepthBuffer?Gw:Vw),t}getTextureFormatGPU(e){return this.backend.get(e).format}getTextureSampleData(e){let t;if(e.isFramebufferTexture)t=1;else if(e.isDepthTexture&&!e.renderTarget){const e=this.backend.renderer,r=e.getRenderTarget();t=r?r.samples:e.currentSamples}else e.renderTarget&&(t=e.renderTarget.samples);t=this.getSampleCount(t||1);const r=t>1&&null!==e.renderTarget&&!0!==e.isDepthTexture&&!0!==e.isFramebufferTexture;return{samples:t,primarySamples:r?1:t,isMSAA:r}}getCurrentColorFormat(e){let t;return t=null!==e.textures?this.getTextureFormatGPU(e.textures[0]):this.getPreferredCanvasFormat(),t}getCurrentColorFormats(e){return null!==e.textures?e.textures.map(e=>this.getTextureFormatGPU(e)):[this.getPreferredCanvasFormat()]}getCurrentColorSpace(e){return null!==e.textures?e.textures[0].colorSpace:this.backend.renderer.outputColorSpace}getPrimitiveTopology(e,t){return e.isPoints?AR:e.isLineSegments||e.isMesh&&!0===t.wireframe?CR:e.isLine?MR:e.isMesh?BR:void 0}getSampleCount(e){return e>=4?4:1}getSampleCountRenderContext(e){return null!==e.textures?this.getSampleCount(e.sampleCount):this.getSampleCount(this.backend.renderer.currentSamples)}getPreferredCanvasFormat(){const e=this.backend.parameters.outputType;if(void 0===e)return null===this._preferredCanvasFormat&&(this._preferredCanvasFormat=navigator.gpu.getPreferredCanvasFormat()),this._preferredCanvasFormat;if(e===Ve)return Tw;if(e===Te)return Lw;throw new Error("THREE.WebGPUUtils: Unsupported output buffer type.")}}function YC(e,t){qC[0]=t,e.queue.submit(qC),qC[0]=null}class QC{constructor(){this.label="",this.layout=null,this.entries=[]}reset(){this.label="",this.layout=null,this.entries.length=0}}class KC{constructor(){this.label="",this.size=0,this.usage=0,this.mappedAtCreation=!1}reset(){this.label="",this.size=0,this.usage=0,this.mappedAtCreation=!1}}class ZC{constructor(){this.label=""}reset(){this.label=""}}class JC{constructor(){this.label="",this.colorFormats=null,this.depthStencilFormat=void 0,this.sampleCount=1,this.depthReadOnly=!1,this.stencilReadOnly=!1}reset(){this.label="",this.colorFormats=null,this.depthStencilFormat=void 0,this.sampleCount=1,this.depthReadOnly=!1,this.stencilReadOnly=!1}}class eM{constructor(){this.view=null,this.depthSlice=void 0,this.resolveTarget=void 0,this.clearValue=void 0,this.loadOp=void 0,this.storeOp=void 0}reset(){this.view=null,this.depthSlice=void 0,this.resolveTarget=void 0,this.clearValue=void 0,this.loadOp=void 0,this.storeOp=void 0}}class tM{constructor(){this.label="",this.colorAttachments=[],this.depthStencilAttachment=void 0,this.occlusionQuerySet=void 0,this.timestampWrites=void 0,this.maxDrawCount=5e7}reset(){this.label="",this.colorAttachments.length=0,this.depthStencilAttachment=void 0,this.occlusionQuerySet=void 0,this.timestampWrites=void 0,this.maxDrawCount=5e7}}class rM{constructor(){this.label="",this.layout=null,this.vertex=null,this.primitive={},this.depthStencil=void 0,this.multisample=new sM,this.fragment=null}reset(){this.label="",this.layout=null,this.vertex=null,this.primitive={},this.depthStencil=void 0,this.multisample.reset(),this.fragment=null}}class sM{constructor(){this.count=1,this.mask=4294967295,this.alphaToCoverageEnabled=!1}reset(){this.count=1,this.mask=4294967295,this.alphaToCoverageEnabled=!1}}class iM{constructor(){this.label="",this.code="",this.compilationHints=[]}reset(){this.label="",this.code="",this.compilationHints.length=0}}class nM{constructor(){this.label="",this.size={width:0,height:1,depthOrArrayLayers:1},this.mipLevelCount=1,this.sampleCount=1,this.dimension="2d",this.format=void 0,this.usage=void 0,this.viewFormats=[],this.textureBindingViewDimension=void 0}reset(){this.label="",this.size.width=0,this.size.height=1,this.size.depthOrArrayLayers=1,this.mipLevelCount=1,this.sampleCount=1,this.dimension="2d",this.format=void 0,this.usage=void 0,this.viewFormats.length=0,this.textureBindingViewDimension=void 0}}class aM{constructor(){this.label="",this.format=void 0,this.dimension=void 0,this.usage=0,this.aspect="all",this.baseMipLevel=0,this.mipLevelCount=void 0,this.baseArrayLayer=0,this.arrayLayerCount=void 0,this.swizzle="rgba"}reset(){this.label="",this.format=void 0,this.dimension=void 0,this.usage=0,this.aspect="all",this.baseMipLevel=0,this.mipLevelCount=void 0,this.baseArrayLayer=0,this.arrayLayerCount=void 0,this.swizzle="rgba"}}const oM=new QC,uM=new KC,lM=new ZC,dM=new JC,cM=new tM,hM=new rM,pM=new eM,gM=new iM,mM=new nM,fM=new aM;class yM extends Yy{constructor(e){super(),this.device=e;this.mipmapSampler=e.createSampler({minFilter:WA}),this.flipYSampler=e.createSampler({minFilter:HA}),uM.size=4,uM.usage=GPUBufferUsage.UNIFORM|GPUBufferUsage.COPY_DST,this.flipUniformBuffer=e.createBuffer(uM),uM.reset(),e.queue.writeBuffer(this.flipUniformBuffer,0,new Uint32Array([1])),uM.size=4,uM.usage=GPUBufferUsage.UNIFORM,this.noFlipUniformBuffer=e.createBuffer(uM),uM.reset(),this.transferPipelines={},gM.label="mipmap",gM.code="\nstruct VarysStruct {\n\t@builtin( position ) Position: vec4f,\n\t@location( 0 ) vTex : vec2f,\n\t@location( 1 ) @interpolate(flat, either) vBaseArrayLayer: u32,\n};\n\n@group( 0 ) @binding ( 2 )\nvar flipY: u32;\n\n@vertex\nfn mainVS(\n\t\t@builtin( vertex_index ) vertexIndex : u32,\n\t\t@builtin( instance_index ) instanceIndex : u32 ) -> VarysStruct {\n\n\tvar Varys : VarysStruct;\n\n\tvar pos = array(\n\t\tvec2f( -1, -1 ),\n\t\tvec2f( -1, 3 ),\n\t\tvec2f( 3, -1 ),\n\t);\n\n\tlet p = pos[ vertexIndex ];\n\tlet mult = select( vec2f( 0.5, -0.5 ), vec2f( 0.5, 0.5 ), flipY != 0 );\n\tVarys.vTex = p * mult + vec2f( 0.5 );\n\tVarys.Position = vec4f( p, 0, 1 );\n\tVarys.vBaseArrayLayer = instanceIndex;\n\n\treturn Varys;\n\n}\n\n@group( 0 ) @binding( 0 )\nvar imgSampler : sampler;\n\n@group( 0 ) @binding( 1 )\nvar img2d : texture_2d;\n\n@fragment\nfn main_2d( Varys: VarysStruct ) -> @location( 0 ) vec4 {\n\n\treturn textureSample( img2d, imgSampler, Varys.vTex );\n\n}\n\n@group( 0 ) @binding( 1 )\nvar img2dArray : texture_2d_array;\n\n@fragment\nfn main_2d_array( Varys: VarysStruct ) -> @location( 0 ) vec4 {\n\n\treturn textureSample( img2dArray, imgSampler, Varys.vTex, Varys.vBaseArrayLayer );\n\n}\n\nconst faceMat = array(\n mat3x3f( 0, 0, -2, 0, -2, 0, 1, 1, 1 ), // pos-x\n mat3x3f( 0, 0, 2, 0, -2, 0, -1, 1, -1 ), // neg-x\n mat3x3f( 2, 0, 0, 0, 0, 2, -1, 1, -1 ), // pos-y\n mat3x3f( 2, 0, 0, 0, 0, -2, -1, -1, 1 ), // neg-y\n mat3x3f( 2, 0, 0, 0, -2, 0, -1, 1, 1 ), // pos-z\n mat3x3f( -2, 0, 0, 0, -2, 0, 1, 1, -1 ), // neg-z\n);\n\n@group( 0 ) @binding( 1 )\nvar imgCube : texture_cube;\n\n@fragment\nfn main_cube( Varys: VarysStruct ) -> @location( 0 ) vec4 {\n\n\treturn textureSample( imgCube, imgSampler, faceMat[ Varys.vBaseArrayLayer ] * vec3f( fract( Varys.vTex ), 1 ) );\n\n}\n",this.mipmapShaderModule=e.createShaderModule(gM),gM.reset()}getTransferPipeline(e,t){const r=`${e}-${t=t||"2d-array"}`;let s=this.transferPipelines[r];return void 0===s&&(hM.label=`mipmap-${e}-${t}`,hM.vertex={module:this.mipmapShaderModule},hM.fragment={module:this.mipmapShaderModule,entryPoint:`main_${t.replace("-","_")}`,targets:[{format:e}]},hM.layout="auto",s=this.device.createRenderPipeline(hM),hM.reset(),this.transferPipelines[r]=s),s}flipY(e,t,r=0){const s=t.format,{width:i,height:n}=t.size;mM.size.width=i,mM.size.height=n,mM.format=s,mM.usage=GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.TEXTURE_BINDING;const a=this.device.createTexture(mM);mM.reset();const o=this.getTransferPipeline(s,e.textureBindingViewDimension),u=this.getTransferPipeline(s,a.textureBindingViewDimension),l=this.device.createCommandEncoder(lM),d=(e,t,r,s,i,n)=>{const a=e.getBindGroupLayout(0);fM.dimension=t.textureBindingViewDimension||"2d-array",fM.mipLevelCount=1;const o=t.createView(fM);fM.reset(),oM.layout=a,oM.entries.push({binding:0,resource:this.flipYSampler},{binding:1,resource:o},{binding:2,resource:{buffer:n?this.flipUniformBuffer:this.noFlipUniformBuffer}});const u=this.device.createBindGroup(oM);oM.reset(),fM.dimension="2d",fM.mipLevelCount=1,fM.baseArrayLayer=i,fM.arrayLayerCount=1;const d=s.createView(fM);fM.reset(),pM.view=d,pM.loadOp=$R,pM.storeOp=GR,cM.colorAttachments.push(pM);const c=l.beginRenderPass(cM);cM.reset(),pM.reset(),c.setPipeline(e),c.setBindGroup(0,u),c.draw(3,1,0,r),c.end()};d(o,e,r,a,0,!1),d(u,a,0,e,r,!0),YC(this.device,l.finish()),a.destroy()}generateMipmaps(e,t=null){const r=this.get(e),s=r.layers||this._mipmapCreateBundles(e);let i=t;null===i&&(lM.label="mipmapEncoder",i=this.device.createCommandEncoder(lM),lM.reset()),this._mipmapRunBundles(i,s),null===t&&YC(this.device,i.finish()),r.layers=s}_mipmapCreateBundles(e){const t=e.textureBindingViewDimension||"2d-array",r=this.getTransferPipeline(e.format,t),s=r.getBindGroupLayout(0),i=[];for(let n=1;n0)for(let t=0,n=s.length;t0){for(const s of e.layerUpdates)this._copyBufferToTexture(t.image,r.texture,i,s,e.flipY,s);e.clearLayerUpdates()}else for(let s=0;s0?(this._copyCompressedBufferToTexture(e.mipmaps,r.texture,i,e.layerUpdates),e.clearLayerUpdates()):this._copyCompressedBufferToTexture(e.mipmaps,r.texture,i);else if(e.isCubeTexture)this._copyCubeMapToTexture(e,r.texture,i);else if(e.isHTMLTexture){const t=this.backend.device,s=this.backend.renderer.domElement,n=e.image;if("function"!=typeof t.queue.copyElementImageToTexture)return;if(!r.hasPaintCallback)return r.hasPaintCallback=!0,void s.requestPaint();const a=i.size.width,o=i.size.height;2===t.queue.copyElementImageToTexture.length?t.queue.copyElementImageToTexture({source:n},{destination:{texture:r.texture},width:a,height:o}):t.queue.copyElementImageToTexture(n,a,o,{texture:r.texture}),e.flipY&&this._flipY(r.texture,i)}else if(s.length>0)for(let t=0,n=s.length;t0?e.width:r.size.width,l=a>0?e.height:r.size.height;RM.source=e,RM.flipY=i,wM.texture=t,wM.mipLevel=a,wM.origin.z=s,wM.premultipliedAlpha=n,CM.width=u,CM.height=l;try{o.queue.copyExternalImageToTexture(RM,wM,CM)}catch(e){}finally{RM.reset(),wM.reset(),CM.reset()}}_getPassUtils(){let e=this._passUtils;return null===e&&(this._passUtils=e=new yM(this.backend.device)),e}_generateMipmaps(e,t=null){this._getPassUtils().generateMipmaps(e,t)}_flipY(e,t,r=0){this._getPassUtils().flipY(e,t,r)}_copyBufferToTexture(e,t,r,s,i,n=0,a=0){const o=this.backend.device,u=e.data,l=this._getBytesPerTexel(r.format),d=e.width*l;NM.texture=t,NM.mipLevel=a,NM.origin.z=s,EM.offset=e.width*e.height*l*n,EM.bytesPerRow=d,CM.width=e.width,CM.height=e.height,o.queue.writeTexture(NM,u,EM,CM),NM.reset(),EM.reset(),CM.reset(),!0===i&&this._flipY(t,r,s)}_copyCompressedBufferToTexture(e,t,r,s=null){const i=this.backend.device,n=this._getBlockData(r.format),a=r.size.depthOrArrayLayers>1,o=s&&s.size>0?s:null;for(let s=0;s]*\s*([a-z_0-9]+(?:<[\s\S]+?>)?)/i,DM=/([a-z_0-9]+)\s*:\s*([a-z_0-9]+(?:<[\s\S]+?>)?)/gi,OM={f32:"float",i32:"int",u32:"uint",bool:"bool","vec2":"vec2","vec2":"ivec2","vec2":"uvec2","vec2":"bvec2",vec2f:"vec2",vec2i:"ivec2",vec2u:"uvec2",vec2b:"bvec2","vec3":"vec3","vec3":"ivec3","vec3":"uvec3","vec3":"bvec3",vec3f:"vec3",vec3i:"ivec3",vec3u:"uvec3",vec3b:"bvec3","vec4":"vec4","vec4":"ivec4","vec4":"uvec4","vec4":"bvec4",vec4f:"vec4",vec4i:"ivec4",vec4u:"uvec4",vec4b:"bvec4","mat2x2":"mat2",mat2x2f:"mat2","mat3x3":"mat3",mat3x3f:"mat3","mat4x4":"mat4",mat4x4f:"mat4",sampler:"sampler",texture_1d:"texture",texture_2d:"texture",texture_2d_array:"texture",texture_multisampled_2d:"cubeTexture",texture_depth_2d:"depthTexture",texture_depth_2d_array:"depthTexture",texture_depth_multisampled_2d:"depthTexture",texture_depth_cube:"depthTexture",texture_depth_cube_array:"depthTexture",texture_3d:"texture3D",texture_cube:"cubeTexture",texture_cube_array:"cubeTexture",texture_storage_1d:"storageTexture",texture_storage_2d:"storageTexture",texture_storage_2d_array:"storageTexture",texture_storage_3d:"storageTexture"};class IM extends QS{constructor(e){const{type:t,inputs:r,name:s,inputsCode:i,blockCode:n,outputType:a}=(e=>{const t=(e=e.trim()).match(UM);if(null!==t&&4===t.length){const r=t[2],s=[];let i=null;for(;null!==(i=DM.exec(r));)s.push({name:i[1],type:i[2]});const n=[];for(let e=0;e "+this.outputType:"";return`fn ${e} ( ${this.inputsCode.trim()} ) ${t}`+this.blockCode}}class VM extends YS{parseFunction(e){return new IM(e)}}const kM={[ai.READ_ONLY]:"read",[ai.WRITE_ONLY]:"write",[ai.READ_WRITE]:"read_write"},GM={[zr]:"repeat",[_e]:"clamp",[Gr]:"mirror"},zM={vertex:LR.VERTEX,fragment:LR.FRAGMENT,compute:LR.COMPUTE},$M={instance:!0,swizzleAssign:!1,storageBuffer:!0},WM={"^^":"tsl_xor"},HM={float:"f32",int:"i32",uint:"u32",bool:"bool",color:"vec3",vec2:"vec2",ivec2:"vec2",uvec2:"vec2",bvec2:"vec2",vec3:"vec3",ivec3:"vec3",uvec3:"vec3",bvec3:"vec3",vec4:"vec4",ivec4:"vec4",uvec4:"vec4",bvec4:"vec4",mat2:"mat2x2",mat3:"mat3x3",mat4:"mat4x4"},jM={},qM={tsl_xor:new YT("fn tsl_xor( a : bool, b : bool ) -> bool { return ( a || b ) && !( a && b ); }"),mod_float:new YT("fn tsl_mod_float( x : f32, y : f32 ) -> f32 { return x - y * floor( x / y ); }"),mod_vec2:new YT("fn tsl_mod_vec2( x : vec2f, y : vec2f ) -> vec2f { return x - y * floor( x / y ); }"),mod_vec3:new YT("fn tsl_mod_vec3( x : vec3f, y : vec3f ) -> vec3f { return x - y * floor( x / y ); }"),mod_vec4:new YT("fn tsl_mod_vec4( x : vec4f, y : vec4f ) -> vec4f { return x - y * floor( x / y ); }"),equals_bool:new YT("fn tsl_equals_bool( a : bool, b : bool ) -> bool { return a == b; }"),equals_bvec2:new YT("fn tsl_equals_bvec2( a : vec2f, b : vec2f ) -> vec2 { return vec2( a.x == b.x, a.y == b.y ); }"),equals_bvec3:new YT("fn tsl_equals_bvec3( a : vec3f, b : vec3f ) -> vec3 { return vec3( a.x == b.x, a.y == b.y, a.z == b.z ); }"),equals_bvec4:new YT("fn tsl_equals_bvec4( a : vec4f, b : vec4f ) -> vec4 { return vec4( a.x == b.x, a.y == b.y, a.z == b.z, a.w == b.w ); }"),repeatWrapping_float:new YT("fn tsl_repeatWrapping_float( coord: f32 ) -> f32 { return fract( coord ); }"),mirrorWrapping_float:new YT("fn tsl_mirrorWrapping_float( coord: f32 ) -> f32 { let mirrored = fract( coord * 0.5 ) * 2.0; return 1.0 - abs( 1.0 - mirrored ); }"),clampWrapping_float:new YT("fn tsl_clampWrapping_float( coord: f32 ) -> f32 { return clamp( coord, 0.0, 1.0 ); }"),inverse_mat2:new YT("\nfn tsl_inverse_mat2( m : mat2x2 ) -> mat2x2 {\n\n\tlet det = m[ 0 ][ 0 ] * m[ 1 ][ 1 ] - m[ 0 ][ 1 ] * m[ 1 ][ 0 ];\n\n\treturn mat2x2(\n\t\tm[ 1 ][ 1 ], - m[ 0 ][ 1 ],\n\t\t- m[ 1 ][ 0 ], m[ 0 ][ 0 ]\n\t) * ( 1.0 / det );\n\n}\n"),inverse_mat3:new YT("\nfn tsl_inverse_mat3( m : mat3x3 ) -> mat3x3 {\n\n\tlet a00 = m[ 0 ][ 0 ]; let a01 = m[ 0 ][ 1 ]; let a02 = m[ 0 ][ 2 ];\n\tlet a10 = m[ 1 ][ 0 ]; let a11 = m[ 1 ][ 1 ]; let a12 = m[ 1 ][ 2 ];\n\tlet a20 = m[ 2 ][ 0 ]; let a21 = m[ 2 ][ 1 ]; let a22 = m[ 2 ][ 2 ];\n\n\tlet b01 = a22 * a11 - a12 * a21;\n\tlet b11 = - a22 * a10 + a12 * a20;\n\tlet b21 = a21 * a10 - a11 * a20;\n\n\tlet det = a00 * b01 + a01 * b11 + a02 * b21;\n\n\treturn mat3x3(\n\t\tb01, ( - a22 * a01 + a02 * a21 ), ( a12 * a01 - a02 * a11 ),\n\t\tb11, ( a22 * a00 - a02 * a20 ), ( - a12 * a00 + a02 * a10 ),\n\t\tb21, ( - a21 * a00 + a01 * a20 ), ( a11 * a00 - a01 * a10 )\n\t) * ( 1.0 / det );\n\n}\n"),inverse_mat4:new YT("\nfn tsl_inverse_mat4( m : mat4x4 ) -> mat4x4 {\n\n\tlet a00 = m[ 0 ][ 0 ]; let a01 = m[ 0 ][ 1 ]; let a02 = m[ 0 ][ 2 ]; let a03 = m[ 0 ][ 3 ];\n\tlet a10 = m[ 1 ][ 0 ]; let a11 = m[ 1 ][ 1 ]; let a12 = m[ 1 ][ 2 ]; let a13 = m[ 1 ][ 3 ];\n\tlet a20 = m[ 2 ][ 0 ]; let a21 = m[ 2 ][ 1 ]; let a22 = m[ 2 ][ 2 ]; let a23 = m[ 2 ][ 3 ];\n\tlet a30 = m[ 3 ][ 0 ]; let a31 = m[ 3 ][ 1 ]; let a32 = m[ 3 ][ 2 ]; let a33 = m[ 3 ][ 3 ];\n\n\tlet b00 = a00 * a11 - a01 * a10;\n\tlet b01 = a00 * a12 - a02 * a10;\n\tlet b02 = a00 * a13 - a03 * a10;\n\tlet b03 = a01 * a12 - a02 * a11;\n\tlet b04 = a01 * a13 - a03 * a11;\n\tlet b05 = a02 * a13 - a03 * a12;\n\tlet b06 = a20 * a31 - a21 * a30;\n\tlet b07 = a20 * a32 - a22 * a30;\n\tlet b08 = a20 * a33 - a23 * a30;\n\tlet b09 = a21 * a32 - a22 * a31;\n\tlet b10 = a21 * a33 - a23 * a31;\n\tlet b11 = a22 * a33 - a23 * a32;\n\n\tlet det = b00 * b11 - b01 * b10 + b02 * b09 + b03 * b08 - b04 * b07 + b05 * b06;\n\n\treturn mat4x4(\n\t\ta11 * b11 - a12 * b10 + a13 * b09,\n\t\ta02 * b10 - a01 * b11 - a03 * b09,\n\t\ta31 * b05 - a32 * b04 + a33 * b03,\n\t\ta22 * b04 - a21 * b05 - a23 * b03,\n\t\ta12 * b08 - a10 * b11 - a13 * b07,\n\t\ta00 * b11 - a02 * b08 + a03 * b07,\n\t\ta32 * b02 - a30 * b05 - a33 * b01,\n\t\ta20 * b05 - a22 * b02 + a23 * b01,\n\t\ta10 * b10 - a11 * b08 + a13 * b06,\n\t\ta01 * b08 - a00 * b10 - a03 * b06,\n\t\ta30 * b04 - a31 * b02 + a33 * b00,\n\t\ta21 * b02 - a20 * b04 - a23 * b00,\n\t\ta11 * b07 - a10 * b09 - a12 * b06,\n\t\ta00 * b09 - a01 * b07 + a02 * b06,\n\t\ta31 * b01 - a30 * b03 - a32 * b00,\n\t\ta20 * b03 - a21 * b01 + a22 * b00\n\t) * ( 1.0 / det );\n\n}\n"),biquadraticTexture:new YT("\nfn tsl_biquadraticTexture( map : texture_2d, coord : vec2f, iRes : vec2u, level : u32 ) -> vec4f {\n\n\tlet res = vec2f( iRes );\n\n\tlet uvScaled = coord * res;\n\tlet uvWrapping = ( ( uvScaled % res ) + res ) % res;\n\n\t// https://www.shadertoy.com/view/WtyXRy\n\n\tlet uv = uvWrapping - 0.5;\n\tlet iuv = floor( uv );\n\tlet f = fract( uv );\n\n\tlet rg1 = textureLoad( map, vec2u( iuv + vec2( 0.5, 0.5 ) ) % iRes, level );\n\tlet rg2 = textureLoad( map, vec2u( iuv + vec2( 1.5, 0.5 ) ) % iRes, level );\n\tlet rg3 = textureLoad( map, vec2u( iuv + vec2( 0.5, 1.5 ) ) % iRes, level );\n\tlet rg4 = textureLoad( map, vec2u( iuv + vec2( 1.5, 1.5 ) ) % iRes, level );\n\n\treturn mix( mix( rg1, rg2, f.x ), mix( rg3, rg4, f.x ), f.y );\n\n}\n"),biquadraticTextureArray:new YT("\nfn tsl_biquadraticTexture_array( map : texture_2d_array, coord : vec2f, iRes : vec2u, layer : u32, level : u32 ) -> vec4f {\n\n\tlet res = vec2f( iRes );\n\n\tlet uvScaled = coord * res;\n\tlet uvWrapping = ( ( uvScaled % res ) + res ) % res;\n\n\t// https://www.shadertoy.com/view/WtyXRy\n\n\tlet uv = uvWrapping - 0.5;\n\tlet iuv = floor( uv );\n\tlet f = fract( uv );\n\n\tlet rg1 = textureLoad( map, vec2u( iuv + vec2( 0.5, 0.5 ) ) % iRes, layer, level );\n\tlet rg2 = textureLoad( map, vec2u( iuv + vec2( 1.5, 0.5 ) ) % iRes, layer, level );\n\tlet rg3 = textureLoad( map, vec2u( iuv + vec2( 0.5, 1.5 ) ) % iRes, layer, level );\n\tlet rg4 = textureLoad( map, vec2u( iuv + vec2( 1.5, 1.5 ) ) % iRes, layer, level );\n\n\treturn mix( mix( rg1, rg2, f.x ), mix( rg3, rg4, f.x ), f.y );\n\n}\n")},XM={dFdx:"dpdx",dFdy:"- dpdy",mod_float:"tsl_mod_float",mod_vec2:"tsl_mod_vec2",mod_vec3:"tsl_mod_vec3",mod_vec4:"tsl_mod_vec4",equals_bool:"tsl_equals_bool",equals_bvec2:"tsl_equals_bvec2",equals_bvec3:"tsl_equals_bvec3",equals_bvec4:"tsl_equals_bvec4",inverse_mat2:"tsl_inverse_mat2",inverse_mat3:"tsl_inverse_mat3",inverse_mat4:"tsl_inverse_mat4",inversesqrt:"inverseSqrt",bitcast:"bitcast",floatpack_snorm_2x16:"pack2x16snorm",floatpack_unorm_2x16:"pack2x16unorm",floatpack_float16_2x16:"pack2x16float",floatunpack_snorm_2x16:"unpack2x16snorm",floatunpack_unorm_2x16:"unpack2x16unorm",floatunpack_float16_2x16:"unpack2x16float"};let YM="";!0!==("undefined"!=typeof navigator&&/Firefox|Deno/g.test(navigator.userAgent))&&(YM+="diagnostic( off, derivative_uniformity );\n");class QM extends PS{constructor(e,t){super(e,t,new VM),this.uniformGroups={},this.uniformGroupsBindings={},this.builtins={},this.directives={},this.scopedArrays=new Map,this.allowEarlyReturns=!0,this.allowGlobalVariables=!0}_generateTextureSample(e,t,r,s,i,n=this.shaderStage){return"fragment"===n?s?i?`textureSample( ${t}, ${t}_sampler, ${r}, ${s}, ${i} )`:`textureSample( ${t}, ${t}_sampler, ${r}, ${s} )`:i?`textureSample( ${t}, ${t}_sampler, ${r}, ${i} )`:`textureSample( ${t}, ${t}_sampler, ${r} )`:this.generateTextureSampleLevel(e,t,r,"0",s)}generateTextureSampleLevel(e,t,r,s,i,n){return!1===this.isUnfilterable(e)?i?n?`textureSampleLevel( ${t}, ${t}_sampler, ${r}, ${i}, ${s}, ${n} )`:`textureSampleLevel( ${t}, ${t}_sampler, ${r}, ${i}, ${s} )`:n?`textureSampleLevel( ${t}, ${t}_sampler, ${r}, ${s}, ${n} )`:`textureSampleLevel( ${t}, ${t}_sampler, ${r}, ${s} )`:this.isFilteredTexture(e)?this.generateFilteredTexture(e,t,r,n,s,i):this.generateTextureLod(e,t,r,i,n,s)}generateWrapFunction(e){const t=`tsl_coord_${GM[e.wrapS]}S_${GM[e.wrapT]}T_${e.is3DTexture||e.isData3DTexture?"3d":"2d"}`;let r=jM[t];if(void 0===r){const s=[],i=e.is3DTexture||e.isData3DTexture?"vec3f":"vec2f";let n=`fn ${t}( coord : ${i} ) -> ${i} {\n\n\treturn ${i}(\n`;const a=(e,t)=>{e===zr?(s.push(qM.repeatWrapping_float),n+=`\t\ttsl_repeatWrapping_float( coord.${t} )`):e===_e?(s.push(qM.clampWrapping_float),n+=`\t\ttsl_clampWrapping_float( coord.${t} )`):e===Gr?(s.push(qM.mirrorWrapping_float),n+=`\t\ttsl_mirrorWrapping_float( coord.${t} )`):(n+=`\t\tcoord.${t}`,d(`WebGPURenderer: Unsupported texture wrap type "${e}" for vertex shader.`))};a(e.wrapS,"x"),n+=",\n",a(e.wrapT,"y"),(e.is3DTexture||e.isData3DTexture)&&(n+=",\n",a(e.wrapR,"z")),n+="\n\t);\n\n}\n",jM[t]=r=new YT(n,s)}return r.build(this),t}generateArrayDeclaration(e,t){return`array< ${this.getType(e)}, ${t} >`}generateTextureDimension(e,t,r){const s=this.getDataFromNode(e,this.shaderStage,this.cache);void 0===s.dimensionsSnippet&&(s.dimensionsSnippet={});let i=s.dimensionsSnippet[r];if(void 0===s.dimensionsSnippet[r]){let n,a;const{primarySamples:o}=this.renderer.backend.utils.getTextureSampleData(e),u=o>1;a=e.is3DTexture||e.isData3DTexture?"vec3":"vec2",n=u||e.isStorageTexture?t:`${t}${r?`, u32( ${r} )`:""}`,i=new ku(new Fl(`textureDimensions( ${n} )`,a)),s.dimensionsSnippet[r]=i,(e.isArrayTexture||e.isDataArrayTexture||e.is3DTexture||e.isData3DTexture)&&(s.arrayLayerCount=new ku(new Fl(`textureNumLayers(${t})`,"u32"))),e.isTextureCube&&(s.cubeFaceCount=new ku(new Fl("6u","u32")))}return i.build(this)}generateFilteredTexture(e,t,r,s,i="0u",n){const a=this.generateWrapFunction(e),o=this.generateTextureDimension(e,t,i);return s&&(r=`${r} + vec2(${s}) / ${o}`),n?(this._include("biquadraticTextureArray"),`tsl_biquadraticTexture_array( ${t}, ${a}( ${r} ), ${o}, u32( ${n} ), u32( ${i} ) )`):(this._include("biquadraticTexture"),`tsl_biquadraticTexture( ${t}, ${a}( ${r} ), ${o}, u32( ${i} ) )`)}generateTextureLod(e,t,r,s,i,n="0u"){if(!0===e.isCubeTexture){i&&(r=`${r} + vec3(${i})`);return`textureSampleLevel( ${t}, ${t}_sampler, ${r}, ${e.isDepthTexture?"u32":"f32"}( ${n} ) )`}const a=this.generateWrapFunction(e),o=this.generateTextureDimension(e,t,n),u=e.is3DTexture||e.isData3DTexture?"vec3":"vec2";i&&(r=`${r} + ${u}(${i}) / ${u}( ${o} )`);return r=`${u}( clamp( floor( ${a}( ${r} ) * ${u}( ${o} ) ), ${`${u}( 0 )`}, ${`${u}( ${o} - ${"vec3"===u?"vec3( 1, 1, 1 )":"vec2( 1, 1 )"} )`} ) )`,this.generateTextureLoad(e,t,r,n,s,null)}generateStorageTextureLoad(e,t,r,s,i,n){let a;return n&&(r=`${r} + ${n}`),a=i?`textureLoad( ${t}, ${r}, ${i} )`:`textureLoad( ${t}, ${r} )`,a}generateTextureLoad(e,t,r,s,i,n){let a;return null===s&&(s="0u"),n&&(r=`${r} + ${n}`),i?a=`textureLoad( ${t}, ${r}, ${i}, u32( ${s} ) )`:(a=`textureLoad( ${t}, ${r}, u32( ${s} ) )`,this.renderer.backend.compatibilityMode&&e.isDepthTexture&&(a+=".x")),a}generateTextureStore(e,t,r,s,i){let n;return n=s?`textureStore( ${t}, ${r}, ${s}, ${i} )`:`textureStore( ${t}, ${r}, ${i} )`,n}isSampleCompare(e){return!0===e.isDepthTexture&&null!==e.compareFunction&&this.renderer.hasCompatibility(R.TEXTURE_COMPARE)}isUnfilterable(e){return"float"!==this.getComponentTypeFromTexture(e)||!this.isAvailable("float32Filterable")&&e.type===Y||!1===this.isSampleCompare(e)&&e.minFilter===B&&e.magFilter===B||this.renderer.backend.utils.getTextureSampleData(e).primarySamples>1}generateTexture(e,t,r,s,i,n=this.shaderStage){let a=null;return a=this.isUnfilterable(e)?this.generateTextureLod(e,t,r,s,i,"0",n):this._generateTextureSample(e,t,r,s,i,n),a}generateTextureGrad(e,t,r,s,i,n,a=this.shaderStage){if("fragment"===a)return i?n?`textureSampleGrad( ${t}, ${t}_sampler, ${r}, ${i}, ${s[0]}, ${s[1]}, ${n} )`:`textureSampleGrad( ${t}, ${t}_sampler, ${r}, ${i}, ${s[0]}, ${s[1]} )`:n?`textureSampleGrad( ${t}, ${t}_sampler, ${r}, ${s[0]}, ${s[1]}, ${n} )`:`textureSampleGrad( ${t}, ${t}_sampler, ${r}, ${s[0]}, ${s[1]} )`;o(`WebGPURenderer: THREE.TextureNode.gradient() does not support ${a} shader.`)}generateTextureCompare(e,t,r,s,i,n,a=this.shaderStage){if("fragment"===a)return!0===e.isDepthTexture&&!0===e.isArrayTexture?n?`textureSampleCompare( ${t}, ${t}_sampler, ${r}, ${i}, ${s}, ${n} )`:`textureSampleCompare( ${t}, ${t}_sampler, ${r}, ${i}, ${s} )`:n?`textureSampleCompare( ${t}, ${t}_sampler, ${r}, ${s}, ${n} )`:`textureSampleCompare( ${t}, ${t}_sampler, ${r}, ${s} )`;o(`WebGPURenderer: THREE.DepthTexture.compareFunction() does not support ${a} shader.`)}generateTextureGather(e,t,r,s,i,n){const a=!0===e.isDepthTexture?"":`${s}, `;return i?n?`textureGather( ${a}${t}, ${t}_sampler, ${r}, ${i}, ${n} )`:`textureGather( ${a}${t}, ${t}_sampler, ${r}, ${i} )`:n?`textureGather( ${a}${t}, ${t}_sampler, ${r}, ${n} )`:`textureGather( ${a}${t}, ${t}_sampler, ${r})`}generateTextureGatherCompare(e,t,r,s,i,n){return i?n?`textureGatherCompare( ${t}, ${t}_sampler, ${r}, ${i}, ${s}, ${n} )`:`textureGatherCompare( ${t}, ${t}_sampler, ${r}, ${i}, ${s})`:n?`textureGatherCompare( ${t}, ${t}_sampler, ${r}, ${s}, ${n} )`:`textureGatherCompare( ${t}, ${t}_sampler, ${r}, ${s})`}generateTextureLevel(e,t,r,s,i,n){return!1===this.isUnfilterable(e)?i?n?`textureSampleLevel( ${t}, ${t}_sampler, ${r}, ${i}, ${s}, ${n} )`:`textureSampleLevel( ${t}, ${t}_sampler, ${r}, ${i}, ${s} )`:n?`textureSampleLevel( ${t}, ${t}_sampler, ${r}, ${s}, ${n} )`:`textureSampleLevel( ${t}, ${t}_sampler, ${r}, ${s} )`:this.isFilteredTexture(e)?this.generateFilteredTexture(e,t,r,n,s,i):this.generateTextureLod(e,t,r,i,n,s)}generateTextureBias(e,t,r,s,i,n,a=this.shaderStage){if("fragment"===a)return i?n?`textureSampleBias( ${t}, ${t}_sampler, ${r}, ${i}, ${s}, ${n} )`:`textureSampleBias( ${t}, ${t}_sampler, ${r}, ${i}, ${s} )`:n?`textureSampleBias( ${t}, ${t}_sampler, ${r}, ${s}, ${n} )`:`textureSampleBias( ${t}, ${t}_sampler, ${r}, ${s} )`;o(`WebGPURenderer: THREE.TextureNode.biasNode does not support ${a} shader.`)}getPropertyName(e,t=this.shaderStage){if(!0===e.isNodeVarying&&!0===e.needsInterpolation){if("vertex"===t)return`varyings.${e.name}`}else if(!0===e.isNodeUniform){const t=e.name,r=e.type;return"texture"===r||"cubeTexture"===r||"cubeDepthTexture"===r||"storageTexture"===r||"texture3D"===r?t:"buffer"===r||"storageBuffer"===r||"indirectStorageBuffer"===r?this.isCustomStruct(e)?t:t+".value":e.groupNode.name+"."+t}return super.getPropertyName(e)}getOutputStructName(){return"output"}getFunctionOperator(e){const t=WM[e];return void 0!==t?(this._include(t),t):null}getNodeAccess(e,t){return"compute"!==t?!0===e.isAtomic?(d("WebGPURenderer: Atomic operations are only supported in compute shaders."),ai.READ_WRITE):ai.READ_ONLY:e.access}getStorageAccess(e,t){return kM[this.getNodeAccess(e,t)]}getUniformFromNode(e,t,r,s=null){const i=super.getUniformFromNode(e,t,r,s),n=this.getDataFromNode(e,r,this.globalCache);if(void 0===n.uniformGPU){let a;const o=e.groupNode,u=o.name,l=this.getBindGroupArray(u,r);if("texture"===t||"cubeTexture"===t||"cubeDepthTexture"===t||"storageTexture"===t||"texture3D"===t){let s=null;const n=this.getNodeAccess(e,r);"texture"===t||"storageTexture"===t?s=!0===e.value.is3DTexture?new QE(i.name,i.node,o,n):new XE(i.name,i.node,o,n):"cubeTexture"===t||"cubeDepthTexture"===t?s=new YE(i.name,i.node,o,n):"texture3D"===t&&(s=new QE(i.name,i.node,o,n)),s.store=!0===e.isStorageTextureNode,s.mipLevel=s.store?e.mipLevel:0,s.setVisibility(zM[r]);if(!0===e.value.isCubeTexture||!1===this.isUnfilterable(e.value)&&!1===s.store||null!==e.gatherNode){const e=new $C(`${i.name}_sampler`,i.node,o);e.setVisibility(zM[r]),l.push(e,s),a=[e,s]}else l.push(s),a=[s]}else if("buffer"===t||"storageBuffer"===t||"indirectStorageBuffer"===t){const n=this.getSharedDataFromNode(e);let u=n.buffer;if(void 0===u){u=new("buffer"===t?GE:jC)(e,o),n.buffer=u}u.setVisibility(u.getVisibility()|zM[r]),l.push(u),a=u,i.name=s||"NodeBuffer_"+i.id}else{let e=this.uniformGroups[u];void 0===e&&(e=new WE(u,o),e.setVisibility(LR.VERTEX|LR.FRAGMENT|LR.COMPUTE),this.uniformGroups[u]=e),-1===l.indexOf(e)&&l.push(e),a=this.getNodeUniform(i,t);const r=a.name;e.uniforms.some(e=>e.name===r)||e.addUniform(a)}n.uniformGPU=a}return i}getBuiltin(e,t,r,s=this.shaderStage){const i=this.builtins[s]||(this.builtins[s]=new Map);return!1===i.has(e)&&i.set(e,{name:e,property:t,type:r}),t}hasBuiltin(e,t=this.shaderStage){return void 0!==this.builtins[t]&&this.builtins[t].has(e)}getVertexIndex(){return"vertex"===this.shaderStage?this.getBuiltin("vertex_index","vertexIndex","u32","attribute"):"vertexIndex"}buildFunctionCode(e){const t=e.layout,r=this.flowShaderNode(e),s=[];for(const e of t.inputs)s.push(e.name+" : "+this.getType(e.type));let i=`fn ${t.name}( ${s.join(", ")} ) -> ${this.getType(t.type)} {\n${r.vars}\n${r.code}\n`;return r.result&&(i+=`\treturn ${r.result};\n`),i+="\n}\n",i}getInstanceIndex(){return"vertex"===this.shaderStage?this.getBuiltin("instance_index","instanceIndex","u32","attribute"):"instanceIndex"}getInvocationLocalIndex(){return this.getBuiltin("local_invocation_index","invocationLocalIndex","u32","attribute")}getSubgroupSize(){return this.enableSubGroups(),this.getBuiltin("subgroup_size","subgroupSize","u32","attribute")}getInvocationSubgroupIndex(){return this.enableSubGroups(),this.getBuiltin("subgroup_invocation_id","invocationSubgroupIndex","u32","attribute")}getSubgroupIndex(){return this.enableSubGroups(),this.getBuiltin("subgroup_id","subgroupIndex","u32","attribute")}getDrawIndex(){return null}getFrontFacing(){return this.getBuiltin("front_facing","isFront","bool")}getFragCoord(){return this.getBuiltin("position","fragCoord","vec4")+".xy"}getFragDepth(){return"output."+this.getBuiltin("frag_depth","depth","f32","output")}getClipDistance(){return"varyings.hw_clip_distances"}isFlipY(){return!1}enableDirective(e,t=this.shaderStage){(this.directives[t]||(this.directives[t]=new Set)).add(e)}getDirectives(e){const t=[],r=this.directives[e];if(void 0!==r)for(const e of r)t.push(`enable ${e};`);return t.join("\n")}enableSubGroups(){this.enableDirective("subgroups")}enableSubgroupsF16(){this.enableDirective("subgroups-f16")}enableClipDistances(){this.enableDirective("clip_distances")}enableShaderF16(){this.enableDirective("f16")}enableDualSourceBlending(){this.enableDirective("dual_source_blending")}enableHardwareClipping(e){this.enableClipDistances(),this.getBuiltin("clip_distances","hw_clip_distances",`array`,"vertex")}getBuiltins(e){const t=[],r=this.builtins[e];if(void 0!==r)for(const{name:e,property:s,type:i}of r.values())t.push(`@builtin( ${e} ) ${s} : ${i}`);return t.join(",\n\t")}getScopedArray(e,t,r,s){return!1===this.scopedArrays.has(e)&&this.scopedArrays.set(e,{name:e,scope:t,bufferType:r,bufferCount:s}),e}getScopedArrays(e){if("compute"!==e)return;const t=[];for(const{name:e,scope:r,bufferType:s,bufferCount:i}of this.scopedArrays.values()){const n=this.getType(s);t.push(`var<${r}> ${e}: array< ${n}, ${i} >;`)}return t.join("\n")}getAttributes(e){const t=[];if("compute"===e&&(this.getBuiltin("global_invocation_id","globalId","vec3","attribute"),this.getBuiltin("workgroup_id","workgroupId","vec3","attribute"),this.getBuiltin("local_invocation_id","localId","vec3","attribute"),this.getBuiltin("num_workgroups","numWorkgroups","vec3","attribute"),this.renderer.hasFeature("subgroups")&&(this.enableDirective("subgroups",e),this.getBuiltin("subgroup_size","subgroupSize","u32","attribute"))),"vertex"===e||"compute"===e){const e=this.getBuiltins("attribute");e&&t.push(e);const r=this.getAttributesArray();for(let e=0,s=r.length;e"),t.push(`\t${s+r.name} : ${i}`)}return e.output&&t.push(`\t${this.getBuiltins("output")}`),t.join(",\n")}getStructs(e){let t="";const r=this.structs[e];if(r.length>0){const e=[];for(const t of r){let r=`struct ${t.name} {\n`;r+=this.getStructMembers(t),r+="\n};",e.push(r)}t="\n"+e.join("\n\n")+"\n"}return t}getVar(e,t,r=null,s=""){let i=`var${s} ${t} : `;return i+=null!==r?this.generateArrayDeclaration(e,r):this.getType(e),i}getVars(e,t=!1){let r="";t&&(r="");const s=[],i=this.vars[e];if(void 0!==i)for(const e of i)s.push(`${this.getVar(e.type,e.name,e.count,r)};`);return t?s.join("\n"):`\n\t${s.join("\n\t")}\n`}getVaryings(e){const t=[];if("vertex"===e&&this.getBuiltin("position","builtinClipSpace","vec4","vertex"),"vertex"===e||"fragment"===e){const r=this.varyings,s=this.vars[e];let i=0;for(let n=0;nr.value.itemSize;return s&&!i}getUniforms(e){const t=this.renderer.backend,r=this.uniforms[e],s=[],i=[],n=[],a={};for(const n of r){const r=n.groupNode.name,o=this.bindingsIndexes[r];if("texture"===n.type||"cubeTexture"===n.type||"cubeDepthTexture"===n.type||"storageTexture"===n.type||"texture3D"===n.type){const r=n.node,i=r.value;let a;(!0===i.isCubeTexture||!1===this.isUnfilterable(i)&&!0!==r.isStorageTextureNode||null!==r.gatherNode)&&(this.isSampleCompare(i)&&null!==r.compareNode?s.push(`@binding( ${o.binding++} ) @group( ${o.group} ) var ${n.name}_sampler : sampler_comparison;`):s.push(`@binding( ${o.binding++} ) @group( ${o.group} ) var ${n.name}_sampler : sampler;`));let u="";const{primarySamples:l}=t.utils.getTextureSampleData(i);if(l>1&&(u="_multisampled"),!0===i.isCubeTexture&&!0===i.isDepthTexture)a="texture_depth_cube";else if(!0===i.isCubeTexture)a="texture_cube";else if(!0===i.isDepthTexture)a=t.compatibilityMode&&null===i.compareFunction?`texture${u}_2d`:`texture_depth${u}_2d${!0===i.isArrayTexture?"_array":""}`;else if(!0===n.node.isStorageTextureNode){const r=PM(i,t.device),s=this.getStorageAccess(n.node,e),o=n.node.value.is3DTexture,u=n.node.value.isArrayTexture;a=`texture_storage_${o?"3d":"2d"+(u?"_array":"")}<${r}, ${s}>`}else if(!0===i.isArrayTexture||!0===i.isDataArrayTexture||!0===i.isCompressedArrayTexture)a="texture_2d_array";else if(!0===i.is3DTexture||!0===i.isData3DTexture)a="texture_3d";else{a=`texture${u}_2d<${this.getComponentTypeFromTexture(i).charAt(0)}32>`}s.push(`@binding( ${o.binding++} ) @group( ${o.group} ) var ${n.name} : ${a};`)}else if("buffer"===n.type||"storageBuffer"===n.type||"indirectStorageBuffer"===n.type){const t=n.node,r=this.getType(t.getNodeType(this)),s=t.bufferCount,a=s>0&&"buffer"===n.type?", "+s:"",u=t.isStorageBufferNode?`storage, ${this.getStorageAccess(t,e)}`:"uniform";if(this.isCustomStruct(n))i.push(`@binding( ${o.binding++} ) @group( ${o.group} ) var<${u}> ${n.name} : ${r};`);else{const e=`\tvalue : array< ${t.isAtomic?`atomic<${r}>`:`${r}`}${a} >`;i.push(this._getWGSLStructBinding(n.name,e,u,o.binding++,o.group))}}else{const e=n.groupNode.name;if(void 0===a[e]){const t=this.uniformGroups[e];if(void 0!==t){const r=[];for(const e of t.uniforms){const t=e.getType(),s=this.getType(this.getVectorType(t));r.push(`\t${e.name} : ${s}`)}let s=this.uniformGroupsBindings[e];void 0===s&&(s={index:o.binding++,id:o.group},this.uniformGroupsBindings[e]=s),a[e]={index:s.index,id:s.id,snippets:r}}}}}for(const e in a){const t=a[e];n.push(this._getWGSLStructBinding(e,t.snippets.join(",\n"),"uniform",t.index,t.id))}return[...s,...i,...n].join("\n")}buildCode(){const e=null!==this.material?{fragment:{},vertex:{}}:{compute:{}};this.sortBindingGroups();for(const t in e){this.shaderStage=t;const r=this.allowGlobalVariables,s=e[t];s.uniforms=this.getUniforms(t),s.attributes=this.getAttributes(t),s.varyings=this.getVaryings(t),s.structs=this.getStructs(t),s.vars=this.getVars(t,r),s.codes=this.getCodes(t),s.directives=this.getDirectives(t),s.scopedArrays=this.getScopedArrays(t);let i="// code\n\n";i+=this.flowCode[t];const n=this.flowNodes[t],a=n[n.length-1],o=a.outputNode,u=void 0!==o&&!0===o.isOutputStructNode;for(const e of n){const r=this.getFlowData(e),n=e.name;if(n&&(i.length>0&&(i+="\n"),i+=`\t// flow -> ${n}\n`),i+=`${r.code}\n\t`,e===a&&"compute"!==t)if(i+="// result\n\n\t","vertex"===t)i+=`varyings.builtinClipSpace = ${r.result};`;else if("fragment"===t)if(u)s.returnType=o.getNodeType(this),s.structs+="var output : "+s.returnType+";",i+=`return ${r.result};`;else{let e=`\t@location( 0 ) color: ${this.getType(this.getOutputType())}`;const t=this.getBuiltins("output");t&&(e+=",\n\t"+t),s.returnType="OutputStruct",s.structs+=this._getWGSLStruct("OutputStruct",e),s.structs+="\nvar output : OutputStruct;",i+=`output.color = ${this.format(r.result,a.getNodeType(this),this.getOutputType())};\n\n\treturn output;`}}s.flow=i}if(this.shaderStage=null,null!==this.material)this.vertexShader=this._getWGSLVertexCode(e.vertex),this.fragmentShader=this._getWGSLFragmentCode(e.fragment);else{const t=this.object.workgroupSize;this.computeShader=this._getWGSLComputeCode(e.compute,t)}}getMethod(e,t=null){let r;return null!==t&&(r=this._getWGSLMethod(e+"_"+t)),void 0===r&&(r=this._getWGSLMethod(e)),r||e}getBitcastMethod(e){return`bitcast<${this.getType(e)}>`}getFloatPackingMethod(e){return this.getMethod(`floatpack_${e}_2x16`)}getFloatUnpackingMethod(e){return this.getMethod(`floatunpack_${e}_2x16`)}getTernary(e,t,r){return`select( ${r}, ${t}, ${e} )`}getType(e){return HM[e]||e}isAvailable(e){let t=$M[e];return void 0===t&&("float32Filterable"===e?t=this.renderer.hasFeature("float32-filterable"):"clipDistance"===e&&(t=this.renderer.hasFeature("clip-distances")),$M[e]=t),t}_getWGSLMethod(e){return void 0!==qM[e]&&this._include(e),XM[e]}_include(e){const t=qM[e];return t.build(this),this.addInclude(t),t}_getWGSLVertexCode(e){return`${this.getSignature()}\n// directives\n${e.directives}\n\n// structs\n${e.structs}\n\n// uniforms\n${e.uniforms}\n\n// varyings\n${e.varyings}\nvar varyings : VaryingsStruct;\n\n// vars\n${e.vars}\n\n// codes\n${e.codes}\n\n@vertex\nfn main( ${e.attributes} ) -> VaryingsStruct {\n\n\t// flow\n\t${e.flow}\n\n\treturn varyings;\n\n}\n`}_getWGSLFragmentCode(e){return`${this.getSignature()}\n// global\n${YM}\n\n// structs\n${e.structs}\n\n// uniforms\n${e.uniforms}\n\n// vars\n${e.vars}\n\n// codes\n${e.codes}\n\n@fragment\nfn main( ${e.varyings} ) -> ${e.returnType} {\n\n\t// flow\n\t${e.flow}\n\n}\n`}_getWGSLComputeCode(e,t){const[r,s,i]=t;return`${this.getSignature()}\n// directives\n${e.directives}\n\n// system\nvar instanceIndex : u32;\n\n// locals\n${e.scopedArrays}\n\n// structs\n${e.structs}\n\n// uniforms\n${e.uniforms}\n\n// vars\n${this.allowGlobalVariables?e.vars:""}\n\n// codes\n${e.codes}\n\n@compute @workgroup_size( ${r}, ${s}, ${i} )\nfn main( ${e.attributes} ) {\n\n\t// local vars\n\t${this.allowGlobalVariables?"":e.vars}\n\n\t// system\n\tinstanceIndex = globalId.x\n\t\t+ globalId.y * ( ${r} * numWorkgroups.x )\n\t\t+ globalId.z * ( ${r} * numWorkgroups.x ) * ( ${s} * numWorkgroups.y );\n\n\t// flow\n\t${e.flow}\n\n}\n`}_getWGSLStruct(e,t){return`\nstruct ${e} {\n${t}\n};`}_getWGSLStructBinding(e,t,r,s=0,i=0){const n=e+"Struct";return`${this._getWGSLStruct(n,t)}\n@binding( ${s} ) @group( ${i} )\nvar<${r}> ${e} : ${n};`}}const KM=new KC,ZM=new ZC,JM=new Map([[Int8Array,["sint8","snorm8"]],[Uint8Array,["uint8","unorm8"]],[Int16Array,["sint16","snorm16"]],[Uint16Array,["uint16","unorm16"]],[Int32Array,["sint32","snorm32"]],[Uint32Array,["uint32","unorm32"]],[Float32Array,["float32"]]]);"undefined"!=typeof Float16Array&&JM.set(Float16Array,["float16"]);const eB=new Map([[xt,["float16"]]]),tB=new Map([[Int32Array,"sint32"],[Int16Array,"sint32"],[Uint32Array,"uint32"],[Uint16Array,"uint32"],[Float32Array,"float32"]]);class rB{constructor(e){this.backend=e}createAttribute(e,t){const r=this._getBufferAttribute(e),s=this.backend,i=s.get(r);let n=i.buffer;if(void 0===n){const a=s.device;let o,u=r.array;if(!1===e.normalized)if(u.constructor===Int16Array||u.constructor===Int8Array)u=new Int32Array(u);else if((u.constructor===Uint16Array||u.constructor===Uint8Array)&&(u=new Uint32Array(u),t&GPUBufferUsage.INDEX))for(let e=0;e1&&r.itemSize*u.BYTES_PER_ELEMENT%4!=0){const e=r.itemSize*u.BYTES_PER_ELEMENT;o=4*Math.floor((e+3)/4)/u.BYTES_PER_ELEMENT}if(void 0!==o){const e=r.itemSize,t=new u.constructor(r.count*o);for(let s=0;s1&&e%4!=0&&(e=4*Math.floor((e+3)/4))),!1!==s.normalized||s.array.constructor!==Int16Array&&s.array.constructor!==Uint16Array||(e=4),a={arrayStride:e,attributes:[],stepMode:t},r.set(n,a)}const o=this._getVertexFormat(s),u=!0===s.isInterleavedBufferAttribute?s.offset*i:0;a.attributes.push({shaderLocation:e,offset:u,format:o})}return Array.from(r.values())}destroyAttribute(e){const t=this.backend;t.get(this._getBufferAttribute(e)).buffer.destroy(),t.delete(e)}async getArrayBufferAsync(e,t=null,r=0,s=-1){const i=this.backend,n=i.device,a=i.get(this._getBufferAttribute(e)).buffer,o=-1===s?a.size-r:s;let u;if(null!==t&&t.isReadbackBuffer){const e=i.get(t);if(!0===t._mapped)throw new Error("THREE.WebGPUAttributeUtils: ReadbackBuffer must be released before being used again.");if(t._mapped=!0,void 0===e.readBufferGPU){KM.label=`${t.name}_readback`,KM.size=t.maxByteLength,KM.usage=GPUBufferUsage.COPY_DST|GPUBufferUsage.MAP_READ,u=n.createBuffer(KM),KM.reset();const r=()=>{t.buffer=null,t._mapped=!1,u.unmap()},s=()=>{t.buffer=null,t._mapped=!1,u.destroy(),i.delete(t),t.removeEventListener("release",r),t.removeEventListener("dispose",s)};t.addEventListener("release",r),t.addEventListener("dispose",s),e.readBufferGPU=u}else u=e.readBufferGPU}else KM.label=`${e.name}_readback`,KM.size=o,KM.usage=GPUBufferUsage.COPY_DST|GPUBufferUsage.MAP_READ,u=n.createBuffer(KM),KM.reset();ZM.label=`readback_encoder_${e.name}`;const l=n.createCommandEncoder(ZM);ZM.reset(),l.copyBufferToBuffer(a,r,u,0,o);if(YC(n,l.finish()),await u.mapAsync(GPUMapMode.READ,0,o),null===t){const e=u.getMappedRange(0,o).slice();return u.destroy(),e}if(t.isReadbackBuffer)return t.buffer=u.getMappedRange(0,o),t;{const e=u.getMappedRange(0,o);return new Uint8Array(t).set(new Uint8Array(e)),u.destroy(),t}}_getVertexFormat(e){const{itemSize:t,normalized:r}=e,s=e.array.constructor,i=e.constructor;let n;if(1===t)n=tB.get(s);else{const e=(eB.get(i)||JM.get(s))[r?1:0];if(e){const r=s.BYTES_PER_ELEMENT*t,i=4*Math.floor((r+3)/4)/s.BYTES_PER_ELEMENT;if(i%1)throw new Error("THREE.WebGPUAttributeUtils: Bad vertex format item size.");n=`${e}x${i}`}}return n||o("WebGPUAttributeUtils: Vertex format not supported yet."),n}_getBufferAttribute(e){return e.isInterleavedBufferAttribute&&(e=e.data),e}}const sB=new QC,iB=new KC,nB=new aM;class aB{constructor(e){this.layoutGPU=e,this.usedTimes=0}}class oB{constructor(e){this.backend=e,this._bindGroupLayoutCache=new Map}createBindingsLayout(e){const t=this.backend,r=t.device,s=t.get(e);if(s.layout)return s.layout.layoutGPU;const i=this._createLayoutEntries(e),n=Gs(JSON.stringify(i));let a=this._bindGroupLayoutCache.get(n);return void 0===a&&(a=new aB(r.createBindGroupLayout({entries:i})),this._bindGroupLayoutCache.set(n,a)),a.usedTimes++,s.layout=a,s.layoutKey=n,a.layoutGPU}createBindings(e,t,r,s=0){const{backend:i}=this,n=i.get(e),a=this.createBindingsLayout(e);let o;r>0&&(void 0===n.groups&&(n.groups=[],n.versions=[]),n.versions[r]===s&&(o=n.groups[r])),void 0===o&&(o=this.createBindGroup(e,a),r>0&&(n.groups[r]=o,n.versions[r]=s)),n.group=o}updateBinding(e){const t=this.backend,r=t.device,s=e.buffer,i=t.get(e).buffer,n=e.updateRanges;if(0===n.length)r.queue.writeBuffer(i,0,s,0);else{const e=Qr(s),t=e?1:s.BYTES_PER_ELEMENT;let a=n[0].start;for(let o=0,u=n.length;o1&&(i+=`-${e.texture.depthOrArrayLayers}`),i+=`-${r}-${s}`,n=e[i],void 0===n){const a=IC;let o;o=t.isSampledCubeTexture?DC:t.texture.isArrayTexture||t.texture.isDataArrayTexture||t.texture.isCompressedArrayTexture?UC:t.isSampledTexture3D?OC:PC,nB.aspect=a,nB.dimension=o,nB.mipLevelCount=r,nB.baseMipLevel=s,n=e[i]=e.texture.createView(nB),nB.reset()}}sB.entries.push({binding:i,resource:n})}else if(t.isSampler){const e=r.get(t);sB.entries.push({binding:i,resource:e.sampler})}i++}const n=s.createBindGroup(sB);return sB.reset(),n}_createLayoutEntries(e){const t=[];let r=0;for(const s of e.bindings){const e=this.backend,i={binding:r,visibility:s.visibility};if(s.isUniformBuffer||s.isStorageBuffer){const e={};s.isStorageBuffer&&(s.visibility&LR.COMPUTE&&(s.access===ai.READ_WRITE||s.access===ai.WRITE_ONLY)?e.type=TC:e.type=_C),i.buffer=e}else if(s.isSampledTexture&&s.store){const e={};e.format=this.backend.get(s.texture).texture.format;const t=s.access;e.access=t===ai.READ_WRITE?SC:t===ai.WRITE_ONLY?vC:NC,s.texture.isArrayTexture?e.viewDimension=UC:s.texture.is3DTexture&&(e.viewDimension=OC),i.storageTexture=e}else if(s.isSampledTexture){const t={},{primarySamples:r}=e.utils.getTextureSampleData(s.texture);if(r>1&&(t.multisampled=!0,s.texture.isDepthTexture||(t.sampleType=AC)),s.texture.isDepthTexture)e.compatibilityMode&&null===s.texture.compareFunction?t.sampleType=AC:t.sampleType=CC;else{const e=s.texture.type;e===E?t.sampleType=MC:e===S?t.sampleType=BC:e===Y&&(this.backend.hasFeature("float32-filterable")?t.sampleType=wC:t.sampleType=AC)}s.isSampledCubeTexture?t.viewDimension=DC:s.texture.isArrayTexture||s.texture.isDataArrayTexture||s.texture.isCompressedArrayTexture?t.viewDimension=UC:s.isSampledTexture3D&&(t.viewDimension=OC),i.texture=t}else if(s.isSampler){const t={};s.texture.isDepthTexture&&(null!==s.texture.compareFunction&&null!==s.textureNode.compareNode&&e.hasCompatibility(R.TEXTURE_COMPARE)?t.type=RC:t.type=EC),i.sampler=t}else o(`WebGPUBindingUtils: Unsupported binding "${s}".`);t.push(i),r++}return t}deleteBindGroupData(e){const{backend:t}=this,r=t.get(e);r.layout&&(r.layout.usedTimes--,0===r.layout.usedTimes&&this._bindGroupLayoutCache.delete(r.layoutKey),r.layout=void 0,r.layoutKey=void 0)}dispose(){this._bindGroupLayoutCache.clear()}}class uB{constructor(e){this.backend=e}getMaxAnisotropy(){return 16}getUniformBufferLimit(){return this.backend.device.limits.maxUniformBufferBindingSize}}const lB=new class{constructor(){this.label="",this.layout=null,this.compute=null}reset(){this.label="",this.layout=null,this.compute=null}},dB=new class{constructor(){this.label="",this.bindGroupLayouts=null}reset(){this.label="",this.bindGroupLayouts=null}},cB=new JC,hB=new rM;class pB{constructor(e){this.backend=e}_getSampleCount(e){return this.backend.utils.getSampleCountRenderContext(e)}createRenderPipeline(e,t){const{object:r,material:s,geometry:i,pipeline:n}=e,{vertexProgram:a,fragmentProgram:u}=n,l=this.backend,d=l.device,c=l.utils,h=l.get(n),p=[];for(const t of e.getBindings()){const e=l.get(t),{layoutGPU:r}=e.layout;p.push(r)}const g=l.attributeUtils.createShaderVertexBuffers(e);let m;s.blending===re||s.blending===tt&&!1===s.transparent||(m=this._getBlending(s));let f={};!0===s.stencilWrite&&(f={compare:this._getStencilCompare(s),failOp:this._getStencilOperation(s.stencilFail),depthFailOp:this._getStencilOperation(s.stencilZFail),passOp:this._getStencilOperation(s.stencilZPass)});const y=this._getColorWriteMask(s),b=[];if(null!==e.context.textures){const t=e.context.textures,r=e.context.mrt;for(let e=0;e1,hB.layout=R;const w={},A=e.context.depth,C=e.context.stencil;!0!==A&&!0!==C||(!0===A&&(w.format=S,w.depthWriteEnabled=s.depthWrite,w.depthCompare=N),!0===C&&(w.stencilFront=f,w.stencilBack=f,w.stencilReadMask=s.stencilFuncMask,w.stencilWriteMask=s.stencilWriteMask),!0===s.polygonOffset&&_.topology===BR&&(w.depthBias=s.polygonOffsetUnits,w.depthBiasSlopeScale=s.polygonOffsetFactor,w.depthBiasClamp=0),hB.depthStencil=w),d.pushErrorScope("validation");const M=[{program:a,module:x.module},{program:u,module:T.module}],B=hB.label;if(null===t)h.pipeline=d.createRenderPipeline(hB),hB.reset(),d.popErrorScope().then(e=>{null!==e&&(h.error=!0,o(`WebGPURenderer: Render pipeline creation failed (${B}): ${e.message}`),this._reportShaderDiagnostics(M,B))});else{const e=new Promise(async e=>{try{let e=null,t=null;try{t=d.createRenderPipelineAsync(hB)}catch(t){e=t}if(hB.reset(),null!==t)try{h.pipeline=await t}catch(t){e=t}const r=await d.popErrorScope();if(null!==r||null!==e){h.error=!0;const t=r&&r.message||e&&e.message||"unknown";o(`WebGPURenderer: Async render pipeline creation failed (${B}): ${t}`),await this._reportShaderDiagnostics(M,B)}}finally{e()}});t.push(e)}}createBundleEncoder(e,t="renderBundleEncoder"){const r=this.backend,{utils:s,device:i}=r,n=s.getCurrentDepthStencilFormat(e),a=s.getCurrentColorFormats(e),o=this._getSampleCount(e);cB.label=t,cB.colorFormats=a,cB.depthStencilFormat=n,cB.sampleCount=o;const u=i.createRenderBundleEncoder(cB);return cB.reset(),u}createComputePipeline(e,t){const r=this.backend,s=r.device,i=r.get(e.computeProgram).module,n=r.get(e),a=[];for(const e of t){const t=r.get(e),{layoutGPU:s}=t.layout;a.push(s)}const u=e.computeProgram,l=`computePipeline_${u.stage}${u.name?`_${u.name}`:""}`;s.pushErrorScope("validation"),dB.bindGroupLayouts=a;const d=s.createPipelineLayout(dB);dB.reset(),lB.label=l,lB.compute=i,lB.layout=d,n.pipeline=s.createComputePipeline(lB),lB.reset(),s.popErrorScope().then(e=>{null!==e&&(n.error=!0,o(`WebGPURenderer: Compute pipeline creation failed (${l}): ${e.message}`),this._reportShaderDiagnostics([{program:u,module:i.module}],l))})}async _reportShaderDiagnostics(e,t){for(const{program:r,module:s}of e){const e=await s.getCompilationInfo();if(0===e.messages.length)continue;const i=r.code.split("\n");for(const s of e.messages){const e=s.lineNum>0?` at line ${s.lineNum}${s.linePos>0?`:${s.linePos}`:""}`:"",n=`WebGPURenderer [${t} / ${r.stage} ${s.type}]${e}: ${s.message}`;let a="";s.lineNum>0&&s.lineNum<=i.length&&(a=`\n ${i[s.lineNum-1]}`,s.linePos>0&&(a+=`\n ${" ".repeat(s.linePos-1)}^`)),("error"===s.type?o:d)(n+a)}}}_getBlending(e){let t,r;const s=e.blending,i=e.blendSrc,n=e.blendDst,a=e.blendEquation;if(s===Et){const s=null!==e.blendSrcAlpha?e.blendSrcAlpha:i,o=null!==e.blendDstAlpha?e.blendDstAlpha:n,u=null!==e.blendEquationAlpha?e.blendEquationAlpha:a;t={srcFactor:this._getBlendFactor(i),dstFactor:this._getBlendFactor(n),operation:this._getBlendOperation(a)},r={srcFactor:this._getBlendFactor(s),dstFactor:this._getBlendFactor(o),operation:this._getBlendOperation(u)}}else{const i=(e,s,i,n)=>{t={srcFactor:e,dstFactor:s,operation:nC},r={srcFactor:i,dstFactor:n,operation:nC}};if(e.premultipliedAlpha)switch(s){case tt:i(qA,KA,qA,KA);break;case Kt:i(qA,qA,qA,qA);break;case Qt:i(jA,YA,jA,qA);break;case Yt:i(ZA,KA,jA,qA)}else switch(s){case tt:i(QA,KA,qA,KA);break;case Kt:i(QA,qA,qA,qA);break;case Qt:o(`WebGPURenderer: "SubtractiveBlending" requires "${e.isMaterial?"material":"blendMode"}.premultipliedAlpha = true".`);break;case Yt:o(`WebGPURenderer: "MultiplyBlending" requires "${e.isMaterial?"material":"blendMode"}.premultipliedAlpha = true".`)}}if(void 0!==t&&void 0!==r)return{color:t,alpha:r};o("WebGPURenderer: Invalid blending: ",s)}_getBlendFactor(e){let t;switch(e){case Rt:t=jA;break;case Ht:t=qA;break;case Wt:t=XA;break;case kt:t=YA;break;case rt:t=QA;break;case st:t=KA;break;case zt:t=ZA;break;case Vt:t=JA;break;case Gt:t=eC;break;case It:t=tC;break;case $t:t=rC;break;case 211:t=sC;break;case 212:t=iC;break;default:o("WebGPURenderer: Blend factor not supported.",e)}return t}_getStencilCompare(e){let t;const r=e.stencilFunc;switch(r){case is:t=FR;break;case ss:t=kR;break;case rs:t=PR;break;case ts:t=DR;break;case es:t=UR;break;case Jr:t=VR;break;case Zr:t=OR;break;case Kr:t=IR;break;default:o("WebGPURenderer: Invalid stencil function.",r)}return t}_getStencilOperation(e){let t;switch(e){case hs:t=hC;break;case cs:t=pC;break;case ds:t=gC;break;case ls:t=mC;break;case us:t=fC;break;case os:t=yC;break;case as:t=bC;break;case ns:t=xC;break;default:o("WebGPURenderer: Invalid stencil operation.",t)}return t}_getBlendOperation(e){let t;switch(e){case it:t=nC;break;case Ot:t=aC;break;case Dt:t=oC;break;case gs:t=uC;break;case ps:t=lC;break;default:o("WebGPUPipelineUtils: Blend equation not supported.",e)}return t}_getPrimitiveState(e,t,r){const s={},i=this.backend.utils;s.topology=i.getPrimitiveTopology(e,r),null!==t.index&&!0===e.isLine&&!0!==e.isLineSegments&&(s.stripIndexFormat=t.index.array instanceof Uint16Array?XR:YR);let n=r.side===F;return e.isMesh&&e.matrixWorld.determinantAffine()<0&&(n=!n),s.frontFace=!0===n?HR:WR,s.cullMode=r.side===P?jR:qR,s}_getColorWriteMask(e){return!0===e.colorWrite?cC:dC}_getDepthCompare(e){let t;if(!1===e.depthTest)t=kR;else{const r=this.backend.parameters.reversedDepthBuffer?ar[e.depthFunc]:e.depthFunc;switch(r){case nr:t=FR;break;case ir:t=kR;break;case sr:t=PR;break;case rr:t=DR;break;case tr:t=UR;break;case er:t=VR;break;case Jt:t=OR;break;case Zt:t=IR;break;default:o("WebGPUPipelineUtils: Invalid depth function.",r)}}return t}}class gB{constructor(){this.label="",this.type=void 0,this.count=0}reset(){this.label="",this.type=void 0,this.count=0}}const mB=new KC,fB=new ZC,yB=new gB;class bB extends ER{constructor(e,t,r=2048){super(r),this.device=e,this.type=t,yB.label=`queryset_global_timestamp_${t}`,yB.type="timestamp",yB.count=this.maxQueries,this.querySet=this.device.createQuerySet(yB),yB.reset();const s=8*this.maxQueries;mB.label=`buffer_timestamp_resolve_${t}`,mB.size=s,mB.usage=GPUBufferUsage.QUERY_RESOLVE|GPUBufferUsage.COPY_SRC,this.resolveBuffer=this.device.createBuffer(mB),mB.reset(),mB.label=`buffer_timestamp_result_${t}`,mB.size=s,mB.usage=GPUBufferUsage.COPY_DST|GPUBufferUsage.MAP_READ,this.resultBuffer=this.device.createBuffer(mB),mB.reset()}allocateQueriesForContext(e){if(!this.trackTimestamp||this.isDisposed)return null;if(this.currentQueryIndex+2>this.maxQueries)return v(`WebGPUTimestampQueryPool [${this.type}]: Maximum number of queries exceeded, when using trackTimestamp it is necessary to resolves the queries via renderer.resolveTimestampsAsync( THREE.TimestampQuery.${this.type.toUpperCase()} ).`),null;const t=this.currentQueryIndex;return this.currentQueryIndex+=2,this.queryOffsets.set(e,t),t}async resolveQueriesAsync(){if(!this.trackTimestamp||0===this.currentQueryIndex||this.isDisposed)return this.lastValue;if(this.pendingResolve)return this.pendingResolve;this.pendingResolve=this._resolveQueries();try{return await this.pendingResolve}finally{this.pendingResolve=null}}async _resolveQueries(){if(this.isDisposed)return this.lastValue;try{if("unmapped"!==this.resultBuffer.mapState)return this.lastValue;const e=new Map(this.queryOffsets),t=this.currentQueryIndex,r=8*t;this.currentQueryIndex=0,this.queryOffsets.clear();const s=this.device.createCommandEncoder(fB);s.resolveQuerySet(this.querySet,0,t,this.resolveBuffer,0),s.copyBufferToBuffer(this.resolveBuffer,0,this.resultBuffer,0,r);const i=s.finish();if(YC(this.device,i),"unmapped"!==this.resultBuffer.mapState)return this.lastValue;if(await this.resultBuffer.mapAsync(GPUMapMode.READ,0,r),this.isDisposed)return"mapped"===this.resultBuffer.mapState&&this.resultBuffer.unmap(),this.lastValue;const n=new BigUint64Array(this.resultBuffer.getMappedRange(0,r)),a={},o=[];for(const[t,r]of e){const e=t.match(/^(.*):f(\d+)$/),s=parseInt(e[2]);!1===o.includes(s)&&o.push(s),void 0===a[s]&&(a[s]=0);const i=n[r],u=n[r+1],l=Number(u-i)/1e6;this.timestamps.set(t,l),a[s]+=l}const u=a[o[o.length-1]];return this.resultBuffer.unmap(),this.lastValue=u,this.frames=o,u}catch(e){return o("Error resolving queries:",e),"mapped"===this.resultBuffer.mapState&&this.resultBuffer.unmap(),this.lastValue}}async dispose(){if(!this.isDisposed){if(this.isDisposed=!0,this.pendingResolve)try{await this.pendingResolve}catch(e){o("Error waiting for pending resolve:",e)}if(this.resultBuffer&&"mapped"===this.resultBuffer.mapState)try{this.resultBuffer.unmap()}catch(e){o("Error unmapping buffer:",e)}this.querySet&&(this.querySet.destroy(),this.querySet=null),this.resolveBuffer&&(this.resolveBuffer.destroy(),this.resolveBuffer=null),this.resultBuffer&&(this.resultBuffer.destroy(),this.resultBuffer=null),this.queryOffsets.clear(),this.pendingResolve=null}}}class xB{constructor(){this.view=null,this.depthLoadOp=void 0,this.depthStoreOp=void 0,this.depthClearValue=void 0,this.depthReadOnly=!1,this.stencilLoadOp=void 0,this.stencilStoreOp=void 0,this.stencilClearValue=0,this.stencilReadOnly=!1}reset(){this.view=null,this.depthLoadOp=void 0,this.depthStoreOp=void 0,this.depthClearValue=void 0,this.depthReadOnly=!1,this.stencilLoadOp=void 0,this.stencilStoreOp=void 0,this.stencilClearValue=0,this.stencilReadOnly=!1}}const TB={r:0,g:0,b:0,a:1},_B=new KC,vB=new ZC,NB=new class{constructor(){this.label="",this.timestampWrites=void 0}reset(){this.label="",this.timestampWrites=void 0}},SB=new gB,EB=new iM,RB=new class{constructor(){this.querySet=null,this.beginningOfPassWriteIndex=void 0,this.endOfPassWriteIndex=void 0}reset(){this.querySet=null,this.beginningOfPassWriteIndex=void 0,this.endOfPassWriteIndex=void 0}},wB=new bM,AB=new bM,CB=new aM,MB=new xM;class BB extends oR{constructor(e={}){super(e),this.isWebGPUBackend=!0,this.parameters.alpha=void 0===e.alpha||e.alpha,this.parameters.requiredLimits=void 0===e.requiredLimits?{}:e.requiredLimits,this.compatibilityMode=null,this.device=null,this.defaultRenderPassdescriptor=null,this.utils=new XC(this),this.attributeUtils=new rB(this),this.bindingUtils=new oB(this),this.capabilities=new uB(this),this.pipelineUtils=new pB(this),this.textureUtils=new FM(this),this.occludedResolveCache=new Map;const t="undefined"==typeof navigator||!1===/Android/.test(navigator.userAgent);this._compatibility={[R.TEXTURE_COMPARE]:t}}async init(e){await super.init(e);const t=this.parameters;let r;if(void 0===t.device){const s={powerPreference:t.powerPreference,featureLevel:"compatibility",xrCompatible:e.xr.enabled},i="undefined"!=typeof navigator?await navigator.gpu.requestAdapter(s):null;if(null===i)throw new Error("THREE.WebGPUBackend: Unable to create WebGPU adapter.");const n=Object.values(GC),a=[];for(const e of n)i.features.has(e)&&a.push(e);const o={requiredFeatures:a,requiredLimits:t.requiredLimits};r=await i.requestDevice(o)}else r=t.device;this.compatibilityMode=!r.features.has("core-features-and-limits"),this.compatibilityMode&&(e._samples=0),r.lost.then(t=>{if("destroyed"===t.reason)return;const r={api:"WebGPU",message:t.message||"Unknown reason",reason:t.reason||null,originalEvent:t};e.onDeviceLost(r)}),r.onuncapturederror=t=>{const r=t.error,s=r&&r.constructor?r.constructor.name:"GPUError",i=r&&r.message||"Unknown uncaptured GPU error";e.onError({api:"WebGPU",type:s,message:i,originalEvent:t})},this.device=r,this.trackTimestamp=this.trackTimestamp&&this.hasFeature(GC.TimestampQuery),this.updateSize()}setXRRenderTargetTextures(e,t,r=null){this.set(e.texture,{texture:t,format:t.format,externalTexture:!0,xrViewDescriptors:r,initialized:!0})}get context(){const e=this.renderer.getCanvasTarget(),t=this.get(e);let r=t.context;if(void 0===r){const s=this.parameters;r=!0===e.isDefaultCanvasTarget&&void 0!==s.context?s.context:e.domElement.getContext("webgpu"),"setAttribute"in e.domElement&&e.domElement.setAttribute("data-engine",`three.js r${_t} webgpu`);const i=s.alpha?"premultiplied":"opaque",n=s.outputType===Te?"extended":"standard";r.configure({device:this.device,format:this.utils.getPreferredCanvasFormat(),usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.COPY_SRC,alphaMode:i,toneMapping:{mode:n}}),t.context=r}return r}get coordinateSystem(){return h}get hasTimestamp(){return!0}async getArrayBufferAsync(e,t=null,r=0,s=-1){return await this.attributeUtils.getArrayBufferAsync(e,t,r,s)}getContext(){return this.context}_getDefaultRenderPassDescriptor(){const e=this.renderer,t=e.getCanvasTarget(),r=this.get(t),s=e.currentSamples;let i=r.descriptor;if(void 0===i||r.samples!==s){if(i=new tM,i.colorAttachments.push(new eM),!0===e.depth||!0===e.stencil){const t=new xB;t.view=this.textureUtils.getDepthBuffer(e.depth,e.stencil).createView(),i.depthStencilAttachment=t}const t=i.colorAttachments[0];s>0?t.view=this.textureUtils.getColorBuffer().createView():t.resolveTarget=void 0,r.descriptor=i,r.samples=s}const n=i.colorAttachments[0];return s>0?n.resolveTarget=this.context.getCurrentTexture().createView():n.view=this.context.getCurrentTexture().createView(),i}_isRenderCameraDepthArray(e){const t=e.camera;return e.depthTexture&&!0===e.depthTexture.isArrayTexture&&null!==t&&!0===t.isArrayCamera}_hasExternalTexture(e){const t=e.textures;if(null===t)return!1;for(let e=0;e1)if(!0===l){const t=e.camera.cameras;for(let e=0;e0&&(t.currentOcclusionQuerySet&&t.currentOcclusionQuerySet.destroy(),t.currentOcclusionQueryBuffer&&t.currentOcclusionQueryBuffer.destroy(),t.currentOcclusionQuerySet=t.occlusionQuerySet,t.currentOcclusionQueryBuffer=t.occlusionQueryBuffer,t.currentOcclusionQueryObjects=t.occlusionQueryObjects,SB.label=`occlusionQuerySet_${e.id}`,SB.type="occlusion",SB.count=s,i=r.createQuerySet(SB),SB.reset(),t.occlusionQuerySet=i,t.occlusionQueryIndex=0,t.occlusionQueryObjects=new Array(s),t.lastOcclusionObject=null),n=null===e.textures?this._getDefaultRenderPassDescriptor():this._getRenderPassDescriptor(e,{loadOp:zR}),this.initTimestampQuery(Pt.RENDER,this.getTimestampUID(e),n),n.occlusionQuerySet=i;const a=n.depthStencilAttachment;if(null!==e.textures){const t=n.colorAttachments;for(let r=0;r0&&t.currentPass.executeBundles(t.renderBundles),r>t.occlusionQueryIndex&&t.currentPass.endOcclusionQuery();const s=t.encoder;if(!0===this._isRenderCameraDepthArray(e)){const r=[];for(let e=0;e0){const s=8*r;let i=this.occludedResolveCache.get(s);void 0===i&&(_B.size=s,_B.usage=GPUBufferUsage.QUERY_RESOLVE|GPUBufferUsage.COPY_SRC,i=this.device.createBuffer(_B),_B.reset(),this.occludedResolveCache.set(s,i)),_B.size=s,_B.usage=GPUBufferUsage.COPY_DST|GPUBufferUsage.MAP_READ;const n=this.device.createBuffer(_B);_B.reset(),t.encoder.resolveQuerySet(t.occlusionQuerySet,0,r,i,0),t.encoder.copyBufferToBuffer(i,0,n,0,s),t.occlusionQueryBuffer=n,this.resolveOccludedAsync(e)}if(YC(this.device,t.encoder.finish()),null!==e.textures){const t=e.textures;for(let e=0;eo&&(i[0]=Math.min(a,o),i[1]=Math.ceil(a/o)),n.dispatchSize=i}i=n.dispatchSize}o.dispatchWorkgroups(i[0],i[1]||1,i[2]||1)}finishCompute(e){const t=this.get(e);t.passEncoderGPU.end(),YC(this.device,t.cmdEncoderGPU.finish())}_draw(e,t,r,s,i,n,a,o,u){const{object:l,material:d,context:c}=e,h=e.getIndex(),p=null!==h;u.pipeline!==s&&(o.setPipeline(s),u.pipeline=s);const g=u.bindingGroups;for(let e=0,t=i.length;e65535?4:2);for(let n=0;n0){const i=this.get(e.camera),a=e.camera.cameras,c=e.getBindingGroup("cameraIndex");if(void 0===i.indexesGPU||i.indexesGPU.length!==a.length){const e=this.get(c),t=[],r=new Uint32Array([0,0,0,0]);for(let s=0,i=a.length;s(d("WebGPURenderer: WebGPU is not available, running under WebGL2 backend."),new wR(e)));super(new t(e),e),this.library=new PB,this.isWebGPURenderer=!0,"undefined"!=typeof __THREE_DEVTOOLS__&&__THREE_DEVTOOLS__.dispatchEvent(new CustomEvent("observe",{detail:this}))}}class DB extends As{constructor(){super(),this.isBundleGroup=!0,this.type="BundleGroup",this.static=!0,this.version=0}set needsUpdate(e){!0===e&&this.version++}}class OB{constructor(e,t=Ln(0,0,1,1)){this.renderer=e,this.outputNode=t,this.outputColorTransform=!0,this.needsUpdate=!0;const r=new Dg;r.name="RenderPipeline",this._quadMesh=new zx(r),this._quadMesh.name="Render Pipeline",this._context=null,this._toneMapping=e.toneMapping,this._outputColorSpace=e.outputColorSpace}render(){const e=this.renderer;this._update(),null!==this._context.onBeforeRenderPipeline&&this._context.onBeforeRenderPipeline();const t=e.toneMapping,r=e.outputColorSpace;e.toneMapping=m,e.outputColorSpace=p.workingColorSpace;const s=e.xr.enabled;e.xr.enabled=!1,this._quadMesh.render(e),e.xr.enabled=s,e.toneMapping=t,e.outputColorSpace=r,null!==this._context.onAfterRenderPipeline&&this._context.onAfterRenderPipeline()}get context(){return this._context}dispose(){this._quadMesh.material.dispose()}_update(){if(this._toneMapping!==this.renderer.toneMapping&&(this._toneMapping=this.renderer.toneMapping,this.needsUpdate=!0),this._outputColorSpace!==this.renderer.outputColorSpace&&(this._outputColorSpace=this.renderer.outputColorSpace,this.needsUpdate=!0),!0===this.needsUpdate){const e=this._toneMapping,t=this._outputColorSpace,r={renderPipeline:this,onBeforeRenderPipeline:null,onAfterRenderPipeline:null};let s=this.outputNode;!0===this.outputColorTransform?(s=s.context(r),s=Vl(s,e,t)):(r.toneMapping=e,r.outputColorSpace=t,s=s.context(r)),this._context=r,this._quadMesh.material.fragmentNode=s,this._quadMesh.material.needsUpdate=!0,this.needsUpdate=!1}}async renderAsync(){v('RenderPipeline: "renderAsync()" has been deprecated. Use "render()" and "await renderer.init();" when creating the renderer.'),await this.renderer.init(),this.render()}}class IB extends OB{constructor(e,t){v('PostProcessing: "PostProcessing" has been renamed to "RenderPipeline". Please update your code to use "THREE.RenderPipeline" instead.'),super(e,t)}}class VB extends u{constructor(e){super(),this.name="",this.buffer=null,this.maxByteLength=e,this.isReadbackBuffer=!0,this._mapped=!1}release(){this.dispatchEvent({type:"release"})}dispose(){this.dispatchEvent({type:"dispose"})}}class kB extends N{constructor(e=1,t=1){super(),this.image={width:e,height:t},this.magFilter=le,this.minFilter=le,this.isStorageTexture=!0,this.mipmapsAutoUpdate=!0}setSize(e,t){this.image.width===e&&this.image.height===t||(this.image.width=e,this.image.height=t,this.dispose())}}class GB extends N{constructor(e=1,t=1,r=1){super(),this.isArrayTexture=!1,this.image={width:e,height:t,depth:r},this.magFilter=le,this.minFilter=le,this.wrapR=_e,this.isStorageTexture=!0,this.is3DTexture=!0}setSize(e,t,r){this.image.width===e&&this.image.height===t&&this.image.depth===r||(this.image.width=e,this.image.height=t,this.image.depth=r,this.dispose())}}class zB extends N{constructor(e=1,t=1,r=1){super(),this.isArrayTexture=!0,this.image={width:e,height:t,depth:r},this.magFilter=le,this.minFilter=le,this.isStorageTexture=!0}setSize(e,t,r){this.image.width===e&&this.image.height===t&&this.image.depth===r||(this.image.width=e,this.image.height=t,this.image.depth=r,this.dispose())}}class $B extends Jx{constructor(e,t){super(e,t,Uint32Array),this.isIndirectStorageBufferAttribute=!0}}class WB extends Cs{constructor(e){super(e),this.textures={},this.nodes={}}load(e,t,r,s){const i=new Ms(this.manager);i.setPath(this.path),i.setRequestHeader(this.requestHeader),i.setWithCredentials(this.withCredentials),i.load(e,r=>{try{t(this.parse(JSON.parse(r)))}catch(t){s?s(t):o(t),this.manager.itemError(e)}},r,s)}parseNodes(e){const t={};if(void 0!==e){for(const r of e){const{uuid:e,type:s}=r;t[e]=this.createNodeFromType(s),t[e].uuid=e}const r={nodes:t,textures:this.textures};for(const s of e){s.meta=r;t[s.uuid].deserialize(s),delete s.meta}}return t}parse(e){const t=this.createNodeFromType(e.type);t.uuid=e.uuid;const r={nodes:this.parseNodes(e.nodes),textures:this.textures};return e.meta=r,t.deserialize(e),delete e.meta,t}setTextures(e){return this.textures=e,this}setNodes(e){return this.nodes=e,this}createNodeFromType(e){return void 0===this.nodes[e]?(o("NodeLoader: Node type not found:",e),Tn()):new this.nodes[e]}}class HB extends Bs{constructor(e){super(e),this.nodes={},this.nodeMaterials={}}parse(e){const t=super.parse(e),r=this.nodes,s=e.inputNodes;for(const e in s){const i=s[e];t[e]=r[i]}return t}setNodes(e){return this.nodes=e,this}setNodeMaterials(e){return this.nodeMaterials=e,this}createMaterialFromType(e){const t=this.nodeMaterials[e];return void 0!==t?new t:super.createMaterialFromType(e)}}class jB extends Ls{constructor(e){super(e),this.nodes={},this.nodeMaterials={},this._nodesJSON=null}setNodes(e){return this.nodes=e,this}setNodeMaterials(e){return this.nodeMaterials=e,this}parse(e,t){this._nodesJSON=e.nodes;const r=super.parse(e,t);return this._nodesJSON=null,r}async parseAsync(e){this._nodesJSON=e.nodes;const t=await super.parseAsync(e);return this._nodesJSON=null,t}parseNodes(e,t){if(void 0!==e){const r=new WB;return r.setNodes(this.nodes),r.setTextures(t),r.parseNodes(e)}return{}}parseMaterials(e,t){const r={};if(void 0!==e){const s=this.parseNodes(this._nodesJSON,t),i=new HB;i.setTextures(t),i.setNodes(s),i.setNodeMaterials(this.nodeMaterials);for(let t=0,s=e.length;t0){const{width:r,height:s}=e.context;t.bufferWidth=r,t.bufferHeight=s}const{environmentIntensity:i,environmentRotation:n}=e.scene;t.environmentIntensity=i,t.environmentRotation=n.clone(),t.lights=this.getLightsData(e.lightsNode.getLights(),[]),this.renderObjects.set(e,t)}return t}getAttributesData(e){const t={};for(const r in e){const s=e[r];t[r]={id:s.isInterleavedBufferAttribute?s.data.uuid:s.id,version:s.isInterleavedBufferAttribute?s.data.version:s.version}}return t}containsNode(e){const t=e.material;for(const e in t)if(t[e]&&t[e].isNode)return!0;return!!(e.context.modelViewMatrix||e.context.modelNormalViewMatrix||e.context.getAO||e.context.getShadow)}getGeometryData(e){let t=Ds.get(e);return void 0===t&&(t={_renderId:-1,_equal:!1,attributes:this.getAttributesData(e.attributes),indexId:e.index?e.index.id:null,indexVersion:e.index?e.index.version:null,drawRange:{start:e.drawRange.start,count:e.drawRange.count}},Ds.set(e,t)),t}getMaterialData(e){let t=Us.get(e);if(void 0===t){t={_renderId:-1,_equal:!1};for(const r of this.refreshUniforms){const s=e[r];null!=s&&("object"==typeof s&&void 0!==s.clone?!0===s.isTexture?t[r]={id:s.id,version:0}:t[r]=s.clone():t[r]=s)}Us.set(e,t)}return t}equals(e,t,r){const{object:s,material:i,geometry:n}=e,a=this.getRenderObjectData(e);if(!0!==a.worldMatrix.equals(s.matrixWorld))return a.worldMatrix.copy(s.matrixWorld),!1;const o=this.getMaterialData(e.material);if(o._renderId!==r){o._renderId=r;for(const e in o){const t=o[e],r=i[e];if("_renderId"!==e&&"_equal"!==e)if(void 0!==t.equals){if(!1===t.equals(r))return t.copy(r),o._equal=!1,!1}else if(!0===r.isTexture){if(t.id!==r.id||t.version!==r.version)return t.id=r.id,t.version=r.version,o._equal=!1,!1}else if(t!==r)return o[e]=r,o._equal=!1,!1}if(o.transmission>0){const{width:t,height:r}=e.context;if(a.bufferWidth!==t||a.bufferHeight!==r)return a.bufferWidth=t,a.bufferHeight=r,o._equal=!1,!1}o._equal=!0}else if(!1===o._equal)return!1;if(a.geometryId!==n.id)return a.geometryId=n.id,!1;const u=this.getGeometryData(e.geometry);if(u._renderId!==r){u._renderId=r;const e=n.attributes,t=u.attributes;let s=0,i=0;for(const t in e)s++;for(const r in t){i++;const s=t[r],n=e[r];if(void 0===n)return delete t[r],u._equal=!1,!1;const a=n.isInterleavedBufferAttribute?n.data.uuid:n.id,o=n.isInterleavedBufferAttribute?n.data.version:n.version;if(s.id!==a||s.version!==o)return s.id=a,s.version=o,u._equal=!1,!1}if(i!==s)return u.attributes=this.getAttributesData(e),u._equal=!1,!1;const a=n.index,o=u.indexId,l=u.indexVersion,d=a?a.id:null,c=a?a.version:null;if(o!==d||l!==c)return u.indexId=d,u.indexVersion=c,u._equal=!1,!1;if(u.drawRange.start!==n.drawRange.start||u.drawRange.count!==n.drawRange.count)return u.drawRange.start=n.drawRange.start,u.drawRange.count=n.drawRange.count,u._equal=!1,!1;u._equal=!0}else if(!1===u._equal)return!1;if(a.morphTargetInfluences){let e=!1;for(let t=0;t{const r=e.match(t);if(!r)return null;const s=r[1]||r[2]||"",i=r[3].split("?")[0],n=parseInt(r[4],10),a=parseInt(r[5],10);return{fn:s,file:i.split("/").pop(),line:n,column:a}}).filter(e=>e&&!Is.some(t=>t.test(e.file)))}(e||(new Error).stack)}getLocation(){if(0===this.stack.length)return"[Unknown location]";const e=this.stack[0],t=e.fn;return`${t?`"${t}()" at `:""}"${e.file}:${e.line}"`}getError(e){if(0===this.stack.length)return e;return`${e}\n${this.stack.map(e=>{const t=`${e.file}:${e.line}:${e.column}`;return e.fn?` at ${e.fn} (${t})`:` at ${t}`}).join("\n")}`}}function ks(e,t=0){let r=3735928559^t,s=1103547991^t;if(Array.isArray(e))for(let t,i=0;i>>16,2246822507),r^=Math.imul(s^s>>>13,3266489909),s=Math.imul(s^s>>>16,2246822507),s^=Math.imul(r^r>>>13,3266489909),4294967296*(2097151&s)+(r>>>0)}const Gs=e=>ks(e),zs=e=>ks(e),$s=(...e)=>ks(e),Ws=new Map([[1,"float"],[2,"vec2"],[3,"vec3"],[4,"vec4"],[9,"mat3"],[16,"mat4"]]),Hs=new WeakMap;function js(e){return Ws.get(e)}function qs(e){if(/[iu]?vec\d/.test(e))return e.startsWith("ivec")?Int32Array:e.startsWith("uvec")?Uint32Array:Float32Array;if(/mat\d/.test(e))return Float32Array;if(/float/.test(e))return Float32Array;if(/uint/.test(e))return Uint32Array;if(/int/.test(e))return Int32Array;throw new Error(`THREE.NodeUtils: Unsupported type: ${e}`)}function Xs(e){return/float|int|uint|bool/.test(e)?1:/vec2/.test(e)?2:/vec3/.test(e)?3:/vec4/.test(e)||/mat2/.test(e)?4:/mat3/.test(e)?9:/mat4/.test(e)?16:void o(`TSL: Unsupported type: ${e}`,new Vs)}function Ys(e){return/float|int|uint|bool/.test(e)?1:/vec2/.test(e)?2:/vec3/.test(e)?3:/vec4/.test(e)||/mat2/.test(e)?4:/mat3/.test(e)?12:/mat4/.test(e)?16:void o(`TSL: Unsupported type: ${e}`,new Vs)}function Qs(e){return/float|int|uint|bool/.test(e)?1:/vec2/.test(e)?2:/vec3/.test(e)||/vec4/.test(e)?4:/mat2/.test(e)?2:/mat3/.test(e)||/mat4/.test(e)?4:void o(`TSL: Unsupported type: ${e}`,new Vs)}function Ks(e){if(null==e)return null;const t=typeof e;return!0===e.isNode?"node":"number"===t?"float":"boolean"===t?"bool":"string"===t?"string":"function"===t?"shader":!0===e.isVector2?"vec2":!0===e.isVector3?"vec3":!0===e.isVector4?"vec4":!0===e.isMatrix2?"mat2":!0===e.isMatrix3?"mat3":!0===e.isMatrix4?"mat4":!0===e.isColor?"color":e instanceof ArrayBuffer?"ArrayBuffer":null}function Zs(o,...u){const l=o?o.slice(-4):void 0;return 1===u.length&&("vec2"===l?u=[u[0],u[0]]:"vec3"===l?u=[u[0],u[0],u[0]]:"vec4"===l&&(u=[u[0],u[0],u[0],u[0]])),"color"===o?new e(...u):"vec2"===l?new t(...u):"vec3"===l?new r(...u):"vec4"===l?new s(...u):"mat2"===l?new i(...u):"mat3"===l?new n(...u):"mat4"===l?new a(...u):"bool"===o?u[0]||!1:"float"===o||"int"===o||"uint"===o?u[0]||0:"string"===o?u[0]||"":"ArrayBuffer"===o?ti(u[0]):null}function Js(e){let t=Hs.get(e);return void 0===t&&(t={},Hs.set(e,t)),t}function ei(e){let t="";const r=new Uint8Array(e);for(let e=0;ee.charCodeAt(0)).buffer}var ri=Object.freeze({__proto__:null,arrayBufferToBase64:ei,base64ToArrayBuffer:ti,getAlignmentFromType:Qs,getDataFromObject:Js,getLengthFromType:Xs,getMemoryLengthFromType:Ys,getTypeFromLength:js,getTypedArrayFromType:qs,getValueFromType:Zs,getValueType:Ks,hash:$s,hashArray:zs,hashString:Gs});const si={VERTEX:"vertex",FRAGMENT:"fragment"},ii={NONE:"none",FRAME:"frame",RENDER:"render",OBJECT:"object"},ni={BOOLEAN:"bool",INTEGER:"int",FLOAT:"float",VECTOR2:"vec2",VECTOR3:"vec3",VECTOR4:"vec4",MATRIX2:"mat2",MATRIX3:"mat3",MATRIX4:"mat4"},ai={READ_ONLY:"readOnly",WRITE_ONLY:"writeOnly",READ_WRITE:"readWrite"},oi=["fragment","vertex"],ui=["setup","analyze","generate"],li=[...oi,"compute"],di=["x","y","z","w"],ci={analyze:"setup",generate:"analyze"};let hi=0;class pi extends u{static get type(){return"Node"}constructor(e=null){super(),this.nodeType=e,this.updateType=ii.NONE,this.updateBeforeType=ii.NONE,this.updateAfterType=ii.NONE,this.version=0,this.name="",this.global=!1,this.parents=!1,this.isNode=!0,this._beforeNodes=null,this._cacheKey=null,this._uuid=null,this._cacheKeyVersion=0,this.id=hi++,this.stackTrace=null,!0===pi.captureStackTrace&&(this.stackTrace=new Vs)}set needsUpdate(e){!0===e&&this.version++}get uuid(){return null===this._uuid&&(this._uuid=l.generateUUID()),this._uuid}get type(){return this.constructor.type}onUpdate(e,t){return this.updateType=t,this.update=e.bind(this),this}onFrameUpdate(e){return this.onUpdate(e,ii.FRAME)}onRenderUpdate(e){return this.onUpdate(e,ii.RENDER)}onObjectUpdate(e){return this.onUpdate(e,ii.OBJECT)}onReference(e){return this.updateReference=e.bind(this),this}updateReference(){return this}isGlobal(){return this.global}*getChildren(){for(const{childNode:e}of this._getChildren())yield e}dispose(){this.dispatchEvent({type:"dispose"})}traverse(e){e(this);for(const t of this.getChildren())t.traverse(e)}_getChildren(e=new Set){const t=[];e.add(this);for(const r of Object.getOwnPropertyNames(this)){const s=this[r];if(!0!==r.startsWith("_")&&!e.has(s))if(!0===Array.isArray(s))for(let e=0;e0&&(e.inputNodes=r)}deserialize(e){if(void 0!==e.inputNodes){const t=e.meta.nodes;for(const r in e.inputNodes)if(Array.isArray(e.inputNodes[r])){const s=[];for(const i of e.inputNodes[r])s.push(t[i]);this[r]=s}else if("object"==typeof e.inputNodes[r]){const s={};for(const i in e.inputNodes[r]){const n=e.inputNodes[r][i];s[i]=t[n]}this[r]=s}else{const s=e.inputNodes[r];this[r]=t[s]}}}toJSON(e){const{uuid:t,type:r}=this,s=void 0===e||"string"==typeof e;s&&(e={textures:{},images:{},nodes:{}});let i=e.nodes[t];function n(e){const t=[];for(const r in e){const s=e[r];delete s.metadata,t.push(s)}return t}if(void 0===i&&(i={uuid:t,type:r,meta:e,metadata:{version:4.7,type:"Node",generator:"Node.toJSON"}},!0!==s&&(e.nodes[i.uuid]=i),this.serialize(i),delete i.meta),s){const t=n(e.textures),r=n(e.images),s=n(e.nodes);t.length>0&&(i.textures=t),r.length>0&&(i.images=r),s.length>0&&(i.nodes=s)}return i}}pi.captureStackTrace=!1;class gi extends pi{static get type(){return"ArrayElementNode"}constructor(e,t){super(),this.node=e,this.indexNode=t,this.isArrayElementNode=!0}generateNodeType(e){return this.node.getElementType(e)}getMemberType(e,t){return this.node.getMemberType(e,t)}generate(e){const t=this.indexNode.getNodeType(e);return`${this.node.build(e)}[ ${this.indexNode.build(e,!e.isVector(t)&&e.isInteger(t)?t:"uint")} ]`}}class mi extends pi{static get type(){return"ConvertNode"}constructor(e,t){super(),this.node=e,this.convertTo=t}generateNodeType(e){const t=this.node.getNodeType(e);let r=null;for(const s of this.convertTo.split("|"))null!==r&&e.getTypeLength(t)!==e.getTypeLength(s)||(r=s);return r}serialize(e){super.serialize(e),e.convertTo=this.convertTo}deserialize(e){super.deserialize(e),this.convertTo=e.convertTo}generate(e,t){const r=this.node,s=this.getNodeType(e),i=r.build(e,s);return e.format(i,s,t)}}class fi extends pi{static get type(){return"TempNode"}constructor(e=null){super(e),this.isTempNode=!0}hasDependencies(e){return e.getDataFromNode(this).usageCount>1}build(e,t){if("generate"===e.getBuildStage()){const r=e.getVectorType(this.getNodeType(e,t)),s=e.getDataFromNode(this);if(void 0!==s.propertyName)return e.format(s.propertyName,r,t);if("void"!==r&&"void"!==t&&this.hasDependencies(e)){const i=super.build(e,r),n=e.getVarFromNode(this,null,r),a=e.getPropertyName(n);return e.addLineFlowCode(`${a} = ${i}`,this),s.snippet=i,s.propertyName=a,e.format(s.propertyName,r,t)}}return super.build(e,t)}}class yi extends fi{static get type(){return"JoinNode"}constructor(e=[],t=null){super(t),this.nodes=e}generateNodeType(e){return null!==this.nodeType?e.getVectorType(this.nodeType):e.getTypeFromLength(this.nodes.reduce((t,r)=>t+e.getTypeLength(r.getNodeType(e)),0))}generate(e,t){const r=this.getNodeType(e),s=e.getTypeLength(r),i=this.nodes,n=e.getComponentType(r),a=[];let u=0;for(const t of i){if(u>=s){o(`TSL: Length of parameters exceeds maximum length of function '${r}()' type.`,this.stackTrace);break}let i,l=t.getNodeType(e),d=e.getTypeLength(l);u+d>s&&(o(`TSL: Length of '${r}()' data exceeds maximum length of output type.`,this.stackTrace),d=s-u,l=e.getTypeFromLength(d)),u+=d,i=t.build(e,l);if(e.getComponentType(l)!==n){const t=e.getTypeFromLength(d,n);i=e.format(i,l,t)}a.push(i)}const l=`${e.getType(r)}( ${a.join(", ")} )`;return e.format(l,r,t)}}const bi=di.join("");class xi extends pi{static get type(){return"SplitNode"}constructor(e,t="x"){super(),this.node=e,this.components=t,this.isSplitNode=!0}getVectorLength(){let e=this.components.length;for(const t of this.components)e=Math.max(di.indexOf(t)+1,e);return e}getComponentType(e){return e.getComponentType(this.node.getNodeType(e))}generateNodeType(e){return e.getTypeFromLength(this.components.length,this.getComponentType(e))}getScope(){return this.node.getScope()}generate(e,t){const r=this.node,s=e.getTypeLength(r.getNodeType(e));let i=null;if(s>1){let n=null;this.getVectorLength()>=s&&(n=e.getTypeFromLength(this.getVectorLength(),this.getComponentType(e)));const a=r.build(e,n);i=this.components.length===s&&this.components===bi.slice(0,this.components.length)?e.format(a,n,t):e.format(`${a}.${this.components}`,this.getNodeType(e),t)}else i=r.build(e,t);return i}serialize(e){super.serialize(e),e.components=this.components}deserialize(e){super.deserialize(e),this.components=e.components}}class Ti extends fi{static get type(){return"SetNode"}constructor(e,t,r){super(),this.sourceNode=e,this.components=t,this.targetNode=r}generateNodeType(e){return this.sourceNode.getNodeType(e)}generate(e){const{sourceNode:t,components:r,targetNode:s}=this,i=this.getNodeType(e),n=e.getComponentType(s.getNodeType(e)),a=e.getTypeFromLength(r.length,n),o=s.build(e,a),u=t.build(e,i),l=e.getTypeLength(i),d=[];for(let e=0;e(e=>e.replace(/r|s/g,"x").replace(/g|t/g,"y").replace(/b|p/g,"z").replace(/a|q/g,"w"))(e).split("").sort().join("");pi.prototype.assign=function(...e){if(!0!==this.isStackNode)return null!==Ri?Ri.assign(this,...e):o("TSL: No stack defined for assign operation. Make sure the assign is inside a Fn().",new Vs),this;{const t=wi.get("assign");return this.addToStack(t(...e))}},pi.prototype.toVarIntent=function(){return this},pi.prototype.get=function(e){return new Ei(this,e)};const Mi={};function Bi(e,t,r){Mi[e]=Mi[t]=Mi[r]={get(){this._cache=this._cache||{};let t=this._cache[e];return void 0===t&&(t=new xi(this,e),this._cache[e]=t),t},set(t){this[e].assign(sn(t))}};const s=e.toUpperCase(),i=t.toUpperCase(),n=r.toUpperCase();pi.prototype["set"+s]=pi.prototype["set"+i]=pi.prototype["set"+n]=function(t){const r=Ci(e);return new Ti(this,r,sn(t))},pi.prototype["flip"+s]=pi.prototype["flip"+i]=pi.prototype["flip"+n]=function(){const t=Ci(e);return new _i(this,t)}}const Fi=["x","y","z","w"],Li=["r","g","b","a"],Pi=["s","t","p","q"];for(let e=0;e<4;e++){let t=Fi[e],r=Li[e],s=Pi[e];Bi(t,r,s);for(let i=0;i<4;i++){t=Fi[e]+Fi[i],r=Li[e]+Li[i],s=Pi[e]+Pi[i],Bi(t,r,s);for(let n=0;n<4;n++){t=Fi[e]+Fi[i]+Fi[n],r=Li[e]+Li[i]+Li[n],s=Pi[e]+Pi[i]+Pi[n],Bi(t,r,s);for(let a=0;a<4;a++)t=Fi[e]+Fi[i]+Fi[n]+Fi[a],r=Li[e]+Li[i]+Li[n]+Li[a],s=Pi[e]+Pi[i]+Pi[n]+Pi[a],Bi(t,r,s)}}}for(let e=0;e<32;e++)Mi[e]={get(){this._cache=this._cache||{};let t=this._cache[e];return void 0===t&&(t=new gi(this,new Si(e,"uint")),this._cache[e]=t),t},set(t){this[e].assign(sn(t))}};Object.defineProperties(pi.prototype,Mi);const Ui=function(e,t=null){for(const r in e)e[r]=sn(e[r],t);return e},Di=function(e,t=null){const r=e.length;for(let s=0;su?(o(`TSL: "${r}" parameter length exceeds limit.`,new Vs),t.slice(0,u)):t}return null===t?n=(...t)=>i(new e(...on(d(t)))):null!==r?(r=sn(r),n=(...s)=>i(new e(t,...on(d(s)),r))):n=(...r)=>i(new e(t,...on(d(r)))),n.setParameterLength=(...e)=>(1===e.length?a=u=e[0]:2===e.length&&([a,u]=e),n),n.setName=e=>(l=e,n),n},Ii=function(e,...t){return new e(...on(t))};class Vi extends pi{constructor(e,t){super(),this.shaderNode=e,this.rawInputs=t,this.isShaderCallNodeInternal=!0}generateNodeType(e){return this.shaderNode.nodeType||this.getOutputNode(e).getNodeType(e)}getElementType(e){return this.getOutputNode(e).getElementType(e)}getMemberType(e,t){return this.getOutputNode(e).getMemberType(e,t)}call(e){const{shaderNode:t,rawInputs:r}=this,s=e.getNodeProperties(t),i=e.getClosestSubBuild(t.subBuilds)||"",n=i||"default";if(s[n])return s[n];const a=e.subBuildFn,o=e.fnCall;e.subBuildFn=i,e.fnCall=this;let u=null;if(t.layout){if(r){const s=t.layout.inputs;if(ki(r)){const t=r;for(let r=0;r{let s;return s=Symbol.iterator===t?function*(){yield}:Reflect.get(e,t,r),s}}),i=r?function(e){let t=0;return an(e),new Proxy(e,{get:(r,s,i)=>{let n;if("length"===s)return n=e.length,n;if(Symbol.iterator===s)n=function*(){for(const t of e)yield sn(t)};else{if(e.length>0)if(Object.getPrototypeOf(e[0])===Object.prototype){const r=e[0];n=void 0===r[s]?r[t++]:Reflect.get(r,s,i)}else 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this.shaderNode.subBuilds)r.subBuilds.add(e)}r=i[n]}else"analyze"===s?a.build(e,t):"generate"===s&&(r=a.build(e,t)||"");return e.fnCall=o,r}}function ki(e){return e[0]&&(e[0].isNode||Object.getPrototypeOf(e[0])!==Object.prototype)}class Gi extends pi{constructor(e,t){super(t),this.jsFunc=e,this.layout=null,this.global=!0,this.once=!1}setLayout(e){return this.layout=e,this}getLayout(){return this.layout}call(e=null){return new Vi(this,e)}setup(){return this.call()}}const zi=[!1,!0],$i=[0,1,2,3],Wi=[-1,-2],Hi=[.5,1.5,1/3,1e-6,1e6,Math.PI,2*Math.PI,1/Math.PI,2/Math.PI,1/(2*Math.PI),Math.PI/2],ji=new Map;for(const e of zi)ji.set(e,new Si(e));const qi=new Map;for(const e of $i)qi.set(e,new Si(e,"uint"));const Xi=new Map([...qi].map(e=>new Si(e.value,"int")));for(const e of Wi)Xi.set(e,new Si(e,"int"));const Yi=new Map([...Xi].map(e=>new Si(e.value)));for(const e of Hi)Yi.set(e,new Si(e));for(const e of Hi)Yi.set(-e,new Si(-e));const Qi={bool:ji,uint:qi,ints:Xi,float:Yi},Ki=new Map([...ji,...Yi]),Zi=(e,t)=>Ki.has(e)?Ki.get(e):!0===e.isNode?e:new Si(e,t),Ji=function(e,t=null){return(...r)=>{for(const t of r)if(void 0===t)return o(`TSL: Invalid parameter for the type "${e}".`,new Vs),new Si(0,e);if((0===r.length||!["bool","float","int","uint"].includes(e)&&r.every(e=>{const t=typeof e;return"object"!==t&&"function"!==t}))&&(r=[Zs(e,...r)]),1===r.length&&null!==t&&t.has(r[0]))return nn(t.get(r[0]));if(1===r.length){const t=Zi(r[0],e);return t.nodeType===e?nn(t):nn(new mi(t,e))}const s=r.map(e=>Zi(e));return nn(new yi(s,e))}};function en(e){return e&&e.isNode&&e.traverse(t=>{t.isConstNode&&(e=t.value)}),Boolean(e)}const tn=e=>null!=e?e.nodeType||e.convertTo||("string"==typeof e?e:null):null;function rn(e,t){return new Gi(e,t)}const sn=(e,t=null)=>function(e,t=null){const r=Ks(e);return"node"===r?e:null===t&&("float"===r||"boolean"===r)||r&&"shader"!==r&&"string"!==r?sn(Zi(e,t)):"shader"===r?e.isFn?e:gn(e):e}(e,t),nn=(e,t=null)=>sn(e,t).toVarIntent(),an=(e,t=null)=>new Ui(e,t),on=(e,t=null)=>new Di(e,t),un=(e,t=null,r=null,s=null)=>new Oi(e,t,r,s),ln=(e,...t)=>new Ii(e,...t),dn=(e,t=null,r=null,s={})=>new Oi(e,t,r,{...s,intent:!0}),cn=(e,t)=>new Proxy(e,{get:(e,r,s)=>Reflect.get(t,r,s),set:(e,r,s)=>Reflect.set(t,r,s)});let hn=0;class pn extends pi{constructor(e,t=null){super();let r=null;null!==t&&("object"==typeof t?r=t.return:("string"==typeof t?r=t:o("TSL: Invalid layout type.",new Vs),t=null)),this.shaderNode=new rn(e,r),null!==t&&this.setLayout(t),this.isFn=!0}setLayout(e){const t=this.shaderNode.nodeType;if("object"!=typeof e.inputs){const r={name:"fn"+hn++,type:t,inputs:[]};for(const t in e)"return"!==t&&r.inputs.push({name:t,type:e[t]});e=r}return this.shaderNode.setLayout(e),this}generateNodeType(e){return this.shaderNode.getNodeType(e)||"float"}call(...e){const t=this.shaderNode.call(e);return"void"===this.shaderNode.nodeType&&t.toStack(),t.toVarIntent()}once(e=null){return this.shaderNode.once=!0,this.shaderNode.subBuilds=e,this}generate(e){const t=this.getNodeType(e);return o('TSL: "Fn()" was declared but not invoked. Try calling it like "Fn()( ...params )".',this.stackTrace),e.generateConst(t)}}function gn(e,t=null){const r=new pn(e,t);return new Proxy(()=>{},{apply:(e,t,s)=>r.call(...s),get:(e,t,s)=>Reflect.get(r,t,s),set:(e,t,s,i)=>Reflect.set(r,t,s,i)})}const mn=e=>{Ri=e},fn=()=>Ri,yn=(...e)=>Ri.If(...e);function bn(e){return Ri&&Ri.addToStack(e),e}Ai("toStack",bn);const xn=new Ji("color"),Tn=new Ji("float",Qi.float),_n=new Ji("int",Qi.ints),vn=new Ji("uint",Qi.uint),Nn=new Ji("bool",Qi.bool),Sn=new Ji("vec2"),En=new Ji("ivec2"),Rn=new Ji("uvec2"),wn=new Ji("bvec2"),An=new Ji("vec3"),Cn=new Ji("ivec3"),Mn=new Ji("uvec3"),Bn=new Ji("bvec3"),Fn=new Ji("vec4"),Ln=new Ji("ivec4"),Pn=new Ji("uvec4"),Un=new Ji("bvec4"),Dn=new Ji("mat2"),On=new Ji("mat3"),In=new Ji("mat4");Ai("toColor",xn),Ai("toFloat",Tn),Ai("toInt",_n),Ai("toUint",vn),Ai("toBool",Nn),Ai("toVec2",Sn),Ai("toIVec2",En),Ai("toUVec2",Rn),Ai("toBVec2",wn),Ai("toVec3",An),Ai("toIVec3",Cn),Ai("toUVec3",Mn),Ai("toBVec3",Bn),Ai("toVec4",Fn),Ai("toIVec4",Ln),Ai("toUVec4",Pn),Ai("toBVec4",Un),Ai("toMat2",Dn),Ai("toMat3",On),Ai("toMat4",In);const Vn=un(gi).setParameterLength(2),kn=(e,t)=>new mi(sn(e),t);Ai("element",Vn),Ai("convert",kn);Ai("append",e=>(d("TSL: .append() has been renamed to .toStack().",new Vs),bn(e)));class Gn extends pi{static get type(){return"PropertyNode"}constructor(e,t=null,r=!1,s=null){super(e),this.name=t,this.varying=r,this.placeholderNode=sn(s),this.isPropertyNode=!0,this.global=!0}getNodeType(e){const t=super.getNodeType(e);return"output"===t?e.getOutputType():t}customCacheKey(){return Gs(this.type+":"+(this.name||"")+":"+(this.varying?"1":"0"))}getHash(e){return this.name||super.getHash(e)}generate(e){let t;if(!0===this.varying)t=e.getVaryingFromNode(this,this.name),t.needsInterpolation=!0;else if(t=e.getVarFromNode(this,this.name),null!==this.placeholderNode&&!1===e.hasWriteUsage(this)){const r=this.placeholderNode.build(e,this.getNodeType(e));e.addLineFlowCode(`${e.getPropertyName(t)} = ${r}`,this)}return e.getPropertyName(t)}}const zn=(e,t,r=null)=>new Gn(e,t,!1,r),$n=(e,t,r=null)=>new Gn(e,t,!0,r),Wn=ln(Gn,"vec4","DiffuseColor"),Hn=ln(Gn,"vec3","DiffuseContribution"),jn=ln(Gn,"vec3","EmissiveColor"),qn=ln(Gn,"float","Roughness"),Xn=ln(Gn,"float","Metalness"),Yn=ln(Gn,"float","Clearcoat"),Qn=ln(Gn,"float","ClearcoatRoughness"),Kn=ln(Gn,"vec3","Sheen"),Zn=ln(Gn,"float","SheenRoughness"),Jn=ln(Gn,"float","Iridescence"),ea=ln(Gn,"float","IridescenceIOR"),ta=ln(Gn,"float","IridescenceThickness"),ra=ln(Gn,"float","AlphaT"),sa=ln(Gn,"float","Anisotropy"),ia=ln(Gn,"vec3","AnisotropyT"),na=ln(Gn,"vec3","AnisotropyB"),aa=ln(Gn,"color","SpecularColor"),oa=ln(Gn,"color","SpecularColorBlended"),ua=ln(Gn,"float","SpecularF90"),la=ln(Gn,"float","Shininess"),da=ln(Gn,"output","Output"),ca=ln(Gn,"float","dashSize"),ha=ln(Gn,"float","gapSize"),pa=ln(Gn,"float","pointWidth"),ga=ln(Gn,"float","IOR"),ma=ln(Gn,"float","Transmission"),fa=ln(Gn,"float","Thickness"),ya=ln(Gn,"float","AttenuationDistance"),ba=ln(Gn,"color","AttenuationColor"),xa=ln(Gn,"float","Dispersion"),Ta=ln(Gn,"float","AmbientOcclusion",!1,1);class _a extends pi{static get type(){return"UniformGroupNode"}constructor(e,t=!1,r=1,s=null){super("string"),this.name=e,this.shared=t,this.order=r,this.updateType=s,this.isUniformGroup=!0}update(){this.needsUpdate=!0}serialize(e){super.serialize(e),e.name=this.name,e.version=this.version,e.shared=this.shared}deserialize(e){super.deserialize(e),this.name=e.name,this.version=e.version,this.shared=e.shared}}const va=(e,t=1,r=null)=>new _a(e,!1,t,r),Na=(e,t=0,r=null)=>new _a(e,!0,t,r),Sa=Na("frame",0,ii.FRAME),Ea=Na("render",0,ii.RENDER),Ra=va("object",1,ii.OBJECT);class wa extends vi{static get type(){return"UniformNode"}constructor(e,t=null){super(e,t),this.isUniformNode=!0,this.name="",this.groupNode=Ra}setName(e){return this.name=e,this}label(e){return d('TSL: "label()" has been deprecated. Use "setName()" instead.',new Vs),this.setName(e)}setGroup(e){return this.groupNode=e,this}getGroup(){return this.groupNode}getUniformHash(e){return this.getHash(e)}onUpdate(e,t){return e=e.bind(this),super.onUpdate(t=>{const r=e(t,this);void 0!==r&&(this.value=r)},t)}getInputType(e){let t=super.getInputType(e);return"bool"===t&&(t="uint"),t}generate(e,t){const r=this.getNodeType(e),s=this.getUniformHash(e);let i=e.getNodeFromHash(s);void 0===i&&(e.setHashNode(this,s),i=this);const n=i.getInputType(e),a=e.getUniformFromNode(i,n,e.shaderStage,this.name||e.context.nodeName),o=e.getPropertyName(a);void 0!==e.context.nodeName&&delete e.context.nodeName;let u=o;if("bool"===r){const t=e.getDataFromNode(this);let s=t.propertyName;if(void 0===s){const i=e.getVarFromNode(this,null,"bool");s=e.getPropertyName(i),t.propertyName=s,u=e.format(o,n,r),e.addLineFlowCode(`${s} = ${u}`,this)}u=s}return e.format(u,r,t)}}const Aa=(e,t)=>{const r=tn(t||e);if(r===e&&(e=Zs(r)),e&&!0===e.isNode){let t=e.value;e.traverse(e=>{!0===e.isConstNode&&(t=e.value)}),e=t}return new wa(e,r)};class Ca extends fi{static get type(){return"ArrayNode"}constructor(e,t,r=null){super(e),this.count=t,this.values=r,this.isArrayNode=!0}getArrayCount(){return this.count}generateNodeType(e){return null===this.nodeType?this.values[0].getNodeType(e):this.nodeType}getElementType(e){return this.getNodeType(e)}getMemberType(e,t){return null===this.nodeType?this.values[0].getMemberType(e,t):super.getMemberType(e,t)}generate(e){const t=this.getNodeType(e);return e.generateArray(t,this.count,this.values)}}const Ma=(...e)=>{let t;if(1===e.length){const r=e[0];t=new Ca(null,r.length,r)}else{const r=e[0],s=e[1];t=new Ca(r,s)}return sn(t)};Ai("toArray",(e,t)=>Ma(Array(t).fill(e)));class Ba extends fi{static get type(){return"AssignNode"}constructor(e,t){super(),this.targetNode=e,this.sourceNode=t,this.isAssignNode=!0}hasDependencies(){return!1}generateNodeType(e,t){return"void"!==t?this.targetNode.getNodeType(e):"void"}needsSplitAssign(e){const{targetNode:t}=this;if(!1===e.isAvailable("swizzleAssign")&&t.isSplitNode&&t.components.length>1){const r=e.getTypeLength(t.node.getNodeType(e));return di.join("").slice(0,r)!==t.components}return!1}setup(e){const{targetNode:t,sourceNode:r}=this,s=t.getScope();e.getDataFromNode(s).assign=!0;const i=e.getNodeProperties(this);i.sourceNode=r,i.targetNode=t.context({assign:!0})}generate(e,t){const{targetNode:r,sourceNode:s}=e.getNodeProperties(this),i=this.needsSplitAssign(e),n=r.build(e),a=r.getNodeType(e),o=s.build(e,a),u=s.getNodeType(e),l=e.getDataFromNode(this);let d;if(!0===l.initialized)"void"!==t&&(d=n);else if(i){const s=e.getVarFromNode(this,null,a),i=e.getPropertyName(s);e.addLineFlowCode(`${i} = ${o}`,this);const u=r.node,l=u.node.context({assign:!0}).build(e);for(let t=0;t{const s=r.type;let i;return i="pointer"===s?"&"+t.build(e):t.build(e,s),i};if(Array.isArray(i)){if(i.length>s.length)o("TSL: The number of provided parameters exceeds the expected number of inputs in 'Fn()'."),i.length=s.length;else if(i.length(t=t.length>1||t[0]&&!0===t[0].isNode?on(t):an(t[0]),new La(sn(e),t));Ai("call",Pa);const Ua={"==":"equal","!=":"notEqual","<":"lessThan",">":"greaterThan","<=":"lessThanEqual",">=":"greaterThanEqual","%":"mod"};class Da extends fi{static get type(){return"OperatorNode"}constructor(e,t,r,...s){if(super(),s.length>0){let i=new Da(e,t,r);for(let t=0;t>"===r||"<<"===r)return e.getIntegerType(n);if("&&"===r||"||"===r||"^^"===r)return"bool";if("!"===r){const t=e.getTypeLength(n);return t>1?`bvec${t}`:"bool"}if("=="===r||"!="===r||"<"===r||">"===r||"<="===r||">="===r){const t=Math.max(e.getTypeLength(n),e.getTypeLength(a));return t>1?`bvec${t}`:"bool"}if(e.isMatrix(n)){if("float"===a)return n;if(e.isVector(a))return e.getVectorFromMatrix(n);if(e.isMatrix(a))return n}else if(e.isMatrix(a)){if("float"===n)return a;if(e.isVector(n))return e.getVectorFromMatrix(a)}return e.getTypeLength(a)>e.getTypeLength(n)?a:n}generate(e,t){const r=this.op,{aNode:s,bNode:i}=this,n=this.getNodeType(e,t);let a=null,o=null;"void"!==n?(a=s.getNodeType(e),o=i?i.getNodeType(e):null,"<"===r||">"===r||"<="===r||">="===r||"=="===r||"!="===r?e.isVector(a)?o=a:e.isVector(o)?a=o:a!==o&&(a=o="float"):">>"===r||"<<"===r?(a=n,o=e.changeComponentType(o,"uint")):"%"===r?(a=n,o=e.isInteger(a)&&e.isInteger(o)?o:a):e.isMatrix(a)?"float"===o?o="float":e.isVector(o)?o=e.getVectorFromMatrix(a):e.isMatrix(o)||(a=o=n):a=e.isMatrix(o)?"float"===a?"float":e.isVector(a)?e.getVectorFromMatrix(o):o=n:o=n):a=o=n;const u=s.build(e,a),l=i?i.build(e,o):null,d=e.getFunctionOperator(r);if("void"!==t){const s=e.renderer.coordinateSystem===c;if("=="===r||"!="===r||"<"===r||">"===r||"<="===r||">="===r)return s&&e.isVector(a)?e.format(`${this.getOperatorMethod(e,t)}( ${u}, ${l} )`,n,t):e.format(`( ${u} ${r} ${l} )`,n,t);if("%"===r)return e.isInteger(o)?e.format(`( ${u} % ${l} )`,n,t):e.format(`${this.getOperatorMethod(e,n)}( ${u}, ${l} )`,n,t);if("!"===r)return s&&e.isVector(a)?e.format(`not( ${u} )`,t):e.format(`( ${r} ${u} )`,a,t);if("~"===r)return e.format(`( ${r} ${u} )`,a,t);if(d)return e.format(`${d}( ${u}, ${l} )`,n,t);if(e.isMatrix(a)&&"float"===o)return e.format(`( ${l} ${r} ${u} )`,n,t);if("float"===a&&e.isMatrix(o))return e.format(`${u} ${r} ${l}`,n,t);{let i=`( ${u} ${r} ${l} )`;return!s&&"bool"===n&&e.isVector(a)&&e.isVector(o)&&(i=`all${i}`),e.format(i,n,t)}}if("void"!==a)return d?e.format(`${d}( ${u}, ${l} )`,n,t):e.isMatrix(a)&&"float"===o?e.format(`${l} ${r} ${u}`,n,t):e.format(`${u} ${r} ${l}`,n,t)}serialize(e){super.serialize(e),e.op=this.op}deserialize(e){super.deserialize(e),this.op=e.op}}const Oa=dn(Da,"+").setParameterLength(2,1/0).setName("add"),Ia=dn(Da,"-").setParameterLength(2,1/0).setName("sub"),Va=dn(Da,"*").setParameterLength(2,1/0).setName("mul"),ka=dn(Da,"/").setParameterLength(2,1/0).setName("div"),Ga=dn(Da,"%").setParameterLength(2).setName("mod"),za=dn(Da,"==").setParameterLength(2).setName("equal"),$a=dn(Da,"!=").setParameterLength(2).setName("notEqual"),Wa=dn(Da,"<").setParameterLength(2).setName("lessThan"),Ha=dn(Da,">").setParameterLength(2).setName("greaterThan"),ja=dn(Da,"<=").setParameterLength(2).setName("lessThanEqual"),qa=dn(Da,">=").setParameterLength(2).setName("greaterThanEqual"),Xa=dn(Da,"&&").setParameterLength(2,1/0).setName("and"),Ya=dn(Da,"||").setParameterLength(2,1/0).setName("or"),Qa=dn(Da,"!").setParameterLength(1).setName("not"),Ka=dn(Da,"^^").setParameterLength(2).setName("xor"),Za=dn(Da,"&").setParameterLength(2).setName("bitAnd"),Ja=dn(Da,"~").setParameterLength(1).setName("bitNot"),eo=dn(Da,"|").setParameterLength(2).setName("bitOr"),to=dn(Da,"^").setParameterLength(2).setName("bitXor"),ro=dn(Da,"<<").setParameterLength(2).setName("shiftLeft"),so=dn(Da,">>").setParameterLength(2).setName("shiftRight"),io=gn(([e])=>(e.addAssign(1),e)),no=gn(([e])=>(e.subAssign(1),e)),ao=gn(([e])=>{const t=_n(e).toConst();return e.addAssign(1),t}),oo=gn(([e])=>{const t=_n(e).toConst();return e.subAssign(1),t});Ai("add",Oa),Ai("sub",Ia),Ai("mul",Va),Ai("div",ka),Ai("mod",Ga),Ai("equal",za),Ai("notEqual",$a),Ai("lessThan",Wa),Ai("greaterThan",Ha),Ai("lessThanEqual",ja),Ai("greaterThanEqual",qa),Ai("and",Xa),Ai("or",Ya),Ai("not",Qa),Ai("xor",Ka),Ai("bitAnd",Za),Ai("bitNot",Ja),Ai("bitOr",eo),Ai("bitXor",to),Ai("shiftLeft",ro),Ai("shiftRight",so),Ai("incrementBefore",io),Ai("decrementBefore",no),Ai("increment",ao),Ai("decrement",oo);class uo extends fi{static get type(){return"MathNode"}constructor(e,t,r=null,s=null){if(super(),(e===uo.MAX||e===uo.MIN)&&arguments.length>3){let i=new uo(e,t,r);for(let t=3;tn&&i>a?t:n>a?r:a>i?s:t}generateNodeType(e){const t=this.method;return t===uo.LENGTH||t===uo.DISTANCE||t===uo.DOT?"float":t===uo.CROSS?"vec3":t===uo.ALL||t===uo.ANY?"bool":t===uo.EQUALS?e.changeComponentType(this.aNode.getNodeType(e),"bool"):this.getInputType(e)}setup(e){const{aNode:t,bNode:r,method:s}=this;let i=null;if(s===uo.ONE_MINUS)i=Ia(1,t);else if(s===uo.RECIPROCAL)i=ka(1,t);else if(s===uo.DIFFERENCE)i=zo(Ia(t,r));else if(s===uo.TRANSFORM_DIRECTION){let s,n;e.isMatrix(t.getNodeType(e))?(s=t,n=r):(s=r,n=t),i=Ao(Va(s,Fn(An(n),0)).xyz)}return null!==i?i:super.setup(e)}generate(e,t){if(e.getNodeProperties(this).outputNode)return super.generate(e,t);let r=this.method;const s=this.getNodeType(e),i=this.getInputType(e),n=this.aNode,a=this.bNode,o=this.cNode,u=e.renderer.coordinateSystem;if(r===uo.NEGATE)return e.format("( - "+n.build(e,i)+" )",s,t);{const l=[];return r===uo.CROSS?l.push(n.build(e,s),a.build(e,s)):u===c&&r===uo.STEP?l.push(n.build(e,1===e.getTypeLength(n.getNodeType(e))?"float":i),a.build(e,i)):u!==c||r!==uo.MIN&&r!==uo.MAX?r===uo.REFRACT?l.push(n.build(e,i),a.build(e,i),o.build(e,"float")):r===uo.MIX?l.push(n.build(e,i),a.build(e,i),o.build(e,1===e.getTypeLength(o.getNodeType(e))?"float":i)):(u===h&&r===uo.ATAN&&null!==a&&(r="atan2"),"fragment"===e.shaderStage||r!==uo.DFDX&&r!==uo.DFDY||(d(`TSL: '${r}' is not supported in the ${e.shaderStage} stage.`,this.stackTrace),r="/*"+r+"*/"),l.push(n.build(e,i)),null!==a&&l.push(a.build(e,i)),null!==o&&l.push(o.build(e,i))):l.push(n.build(e,i),a.build(e,1===e.getTypeLength(a.getNodeType(e))?"float":i)),e.format(`${e.getMethod(r,s)}( ${l.join(", ")} )`,s,t)}}serialize(e){super.serialize(e),e.method=this.method}deserialize(e){super.deserialize(e),this.method=e.method}}uo.ALL="all",uo.ANY="any",uo.RADIANS="radians",uo.DEGREES="degrees",uo.EXP="exp",uo.EXP2="exp2",uo.LOG="log",uo.LOG2="log2",uo.SQRT="sqrt",uo.INVERSE_SQRT="inversesqrt",uo.FLOOR="floor",uo.CEIL="ceil",uo.NORMALIZE="normalize",uo.FRACT="fract",uo.SIN="sin",uo.SINH="sinh",uo.COS="cos",uo.COSH="cosh",uo.TAN="tan",uo.TANH="tanh",uo.ASIN="asin",uo.ASINH="asinh",uo.ACOS="acos",uo.ACOSH="acosh",uo.ATAN="atan",uo.ATANH="atanh",uo.ABS="abs",uo.SIGN="sign",uo.LENGTH="length",uo.NEGATE="negate",uo.ONE_MINUS="oneMinus",uo.DFDX="dFdx",uo.DFDY="dFdy",uo.ROUND="round",uo.RECIPROCAL="reciprocal",uo.TRUNC="trunc",uo.FWIDTH="fwidth",uo.TRANSPOSE="transpose",uo.DETERMINANT="determinant",uo.INVERSE="inverse",uo.EQUALS="equals",uo.MIN="min",uo.MAX="max",uo.STEP="step",uo.REFLECT="reflect",uo.DISTANCE="distance",uo.DIFFERENCE="difference",uo.DOT="dot",uo.CROSS="cross",uo.POW="pow",uo.TRANSFORM_DIRECTION="transformDirection",uo.MIX="mix",uo.CLAMP="clamp",uo.REFRACT="refract",uo.SMOOTHSTEP="smoothstep",uo.FACEFORWARD="faceforward";const lo=Tn(1e-6),co=Tn(1e6),ho=Tn(Math.PI),po=Tn(2*Math.PI),go=Tn(2*Math.PI),mo=Tn(.5*Math.PI),fo=dn(uo,uo.ALL).setParameterLength(1),yo=dn(uo,uo.ANY).setParameterLength(1),bo=dn(uo,uo.RADIANS).setParameterLength(1),xo=dn(uo,uo.DEGREES).setParameterLength(1),To=dn(uo,uo.EXP).setParameterLength(1),_o=dn(uo,uo.EXP2).setParameterLength(1),vo=dn(uo,uo.LOG).setParameterLength(1),No=dn(uo,uo.LOG2).setParameterLength(1),So=dn(uo,uo.SQRT).setParameterLength(1),Eo=dn(uo,uo.INVERSE_SQRT).setParameterLength(1),Ro=dn(uo,uo.FLOOR).setParameterLength(1),wo=dn(uo,uo.CEIL).setParameterLength(1),Ao=dn(uo,uo.NORMALIZE).setParameterLength(1),Co=dn(uo,uo.FRACT).setParameterLength(1),Mo=dn(uo,uo.SIN).setParameterLength(1),Bo=dn(uo,uo.SINH).setParameterLength(1),Fo=dn(uo,uo.COS).setParameterLength(1),Lo=dn(uo,uo.COSH).setParameterLength(1),Po=dn(uo,uo.TAN).setParameterLength(1),Uo=dn(uo,uo.TANH).setParameterLength(1),Do=dn(uo,uo.ASIN).setParameterLength(1),Oo=dn(uo,uo.ASINH).setParameterLength(1),Io=dn(uo,uo.ACOS).setParameterLength(1),Vo=dn(uo,uo.ACOSH).setParameterLength(1),ko=dn(uo,uo.ATAN).setParameterLength(1,2),Go=dn(uo,uo.ATANH).setParameterLength(1),zo=dn(uo,uo.ABS).setParameterLength(1),$o=dn(uo,uo.SIGN).setParameterLength(1),Wo=dn(uo,uo.LENGTH).setParameterLength(1),Ho=dn(uo,uo.NEGATE).setParameterLength(1),jo=dn(uo,uo.ONE_MINUS).setParameterLength(1),qo=dn(uo,uo.DFDX).setParameterLength(1),Xo=dn(uo,uo.DFDY).setParameterLength(1),Yo=dn(uo,uo.ROUND).setParameterLength(1),Qo=dn(uo,uo.RECIPROCAL).setParameterLength(1),Ko=dn(uo,uo.TRUNC).setParameterLength(1),Zo=dn(uo,uo.FWIDTH).setParameterLength(1),Jo=dn(uo,uo.TRANSPOSE).setParameterLength(1),eu=dn(uo,uo.DETERMINANT).setParameterLength(1),tu=dn(uo,uo.INVERSE).setParameterLength(1),ru=dn(uo,uo.MIN).setParameterLength(2,1/0),su=dn(uo,uo.MAX).setParameterLength(2,1/0),iu=dn(uo,uo.STEP).setParameterLength(2),nu=dn(uo,uo.REFLECT).setParameterLength(2),au=dn(uo,uo.DISTANCE).setParameterLength(2),ou=dn(uo,uo.DIFFERENCE).setParameterLength(2),uu=dn(uo,uo.DOT).setParameterLength(2),lu=dn(uo,uo.CROSS).setParameterLength(2),du=dn(uo,uo.POW).setParameterLength(2),cu=e=>Va(e,e),hu=e=>Va(e,e,e),pu=e=>Va(e,e,e,e),gu=dn(uo,uo.TRANSFORM_DIRECTION).setParameterLength(2),mu=(e,t)=>Ao(Va(t,Fn(An(e),0)).xyz),fu=(e,t)=>Ao(Fn(An(e),0).mul(t).xyz),yu=e=>Va($o(e),du(zo(e),1/3)),bu=e=>uu(e,e),xu=dn(uo,uo.MIX).setParameterLength(3),Tu=(e,t=0,r=1)=>new uo(uo.CLAMP,sn(e),sn(t),sn(r)),_u=e=>Tu(e),vu=dn(uo,uo.REFRACT).setParameterLength(3),Nu=dn(uo,uo.SMOOTHSTEP).setParameterLength(3),Su=dn(uo,uo.FACEFORWARD).setParameterLength(3),Eu=gn(([e])=>{const t=uu(e.xy,Sn(12.9898,78.233)),r=Ga(t,ho);return Co(Mo(r).mul(43758.5453))}),Ru=(e,t,r)=>xu(t,r,e),wu=(e,t,r)=>Nu(t,r,e),Au=(e,t)=>iu(t,e),Cu=Su,Mu=Eo;Ai("all",fo),Ai("any",yo),Ai("radians",bo),Ai("degrees",xo),Ai("exp",To),Ai("exp2",_o),Ai("log",vo),Ai("log2",No),Ai("sqrt",So),Ai("inverseSqrt",Eo),Ai("floor",Ro),Ai("ceil",wo),Ai("normalize",Ao),Ai("fract",Co),Ai("sin",Mo),Ai("sinh",Bo),Ai("cos",Fo),Ai("cosh",Lo),Ai("tan",Po),Ai("tanh",Uo),Ai("asin",Do),Ai("asinh",Oo),Ai("acos",Io),Ai("acosh",Vo),Ai("atan",ko),Ai("atanh",Go),Ai("abs",zo),Ai("sign",$o),Ai("length",Wo),Ai("lengthSq",bu),Ai("negate",Ho),Ai("oneMinus",jo),Ai("dFdx",qo),Ai("dFdy",Xo),Ai("round",Yo),Ai("reciprocal",Qo),Ai("trunc",Ko),Ai("fwidth",Zo),Ai("min",ru),Ai("max",su),Ai("step",Au),Ai("reflect",nu),Ai("distance",au),Ai("dot",uu),Ai("cross",lu),Ai("pow",du),Ai("pow2",cu),Ai("pow3",hu),Ai("pow4",pu),Ai("transformDirection",gu),Ai("transformNormalByViewMatrix",mu),Ai("transformNormalByInverseViewMatrix",fu),Ai("mix",Ru),Ai("clamp",Tu),Ai("refract",vu),Ai("smoothstep",wu),Ai("faceForward",Su),Ai("difference",ou),Ai("saturate",_u),Ai("cbrt",yu),Ai("transpose",Jo),Ai("determinant",eu),Ai("inverse",tu),Ai("rand",Eu);class Bu extends pi{static get type(){return"ConditionalNode"}constructor(e,t,r=null){super(),this.condNode=e,this.ifNode=t,this.elseNode=r}generateNodeType(e){const{ifNode:t,elseNode:r}=e.getNodeProperties(this);if(void 0===t)return e.flowBuildStage(this,"setup"),this.getNodeType(e);const s=t.getNodeType(e);if(null!==r){const t=r.getNodeType(e);if(e.getTypeLength(t)>e.getTypeLength(s))return t}return s}setup(e){const t=this.condNode,r=this.ifNode.isolate(),s=this.elseNode?this.elseNode.isolate():null,i=e.context.nodeBlock;e.getDataFromNode(r).parentNodeBlock=i,null!==s&&(e.getDataFromNode(s).parentNodeBlock=i);const n=e.context.uniformFlow,a=e.getNodeProperties(this);a.condNode=t,a.ifNode=n?r:r.context({nodeBlock:r}),a.elseNode=s?n?s:s.context({nodeBlock:s}):null}generate(e,t){const r=this.getNodeType(e),s=e.getDataFromNode(this);if(void 0!==s.nodeProperty)return s.nodeProperty;const{condNode:i,ifNode:n,elseNode:a}=e.getNodeProperties(this),o=e.currentFunctionNode,u="void"!==t,l=u?zn(r).build(e):"";s.nodeProperty=l;const c=i.build(e,"bool");if(e.context.uniformFlow&&null!==a){const s=n.build(e,r),i=a.build(e,r),o=e.getTernary(c,s,i);return e.format(o,r,t)}e.addFlowCode(`\n${e.tab}if ( ${c} ) {\n\n`).addFlowTab();let h=n.build(e,r);if(h&&(u?h=l+" = "+h+";":(h="return "+h+";",null===o&&(d("TSL: Return statement used in an inline 'Fn()'. Define a layout struct to allow return values.",this.stackTrace),h="// "+h))),e.removeFlowTab().addFlowCode(e.tab+"\t"+h+"\n\n"+e.tab+"}"),null!==a){e.addFlowCode(" else {\n\n").addFlowTab();let t=a.build(e,r);t&&(u?t=l+" = "+t+";":(t="return "+t+";",null===o&&(d("TSL: Return statement used in an inline 'Fn()'. Define a layout struct to allow return values.",this.stackTrace),t="// "+t))),e.removeFlowTab().addFlowCode(e.tab+"\t"+t+"\n\n"+e.tab+"}\n\n")}else e.addFlowCode("\n\n");return e.format(l,r,t)}}const Fu=un(Bu).setParameterLength(2,3);Ai("select",Fu);class Lu extends pi{static get type(){return"ContextNode"}constructor(e=null,t={}){super(),this.isContextNode=!0,this.node=e,this.value=t}getScope(){return this.node.getScope()}generateNodeType(e){return this.node.getNodeType(e)}getFlowContextData(){const e=[];return this.traverse(t=>{!0===t.isContextNode&&e.push(t.value)}),Object.assign({},...e)}getMemberType(e,t){return this.node.getMemberType(e,t)}analyze(e){const t=e.addContext(this.value);this.node.build(e),e.setContext(t)}setup(e){const t=e.addContext(this.value);this.node.build(e),e.setContext(t)}generate(e,t){const r=e.addContext(this.value),s=this.node.build(e,t);return e.setContext(r),s}}const Pu=(e=null,t={})=>{let r=e;return null!==r&&!0===r.isNode||(t=r||t,r=null),new Lu(r,t)},Uu=e=>Pu(e,{uniformFlow:!0}),Du=(e,t)=>Pu(e,{nodeName:t});function Ou(e,t,r=null){return Pu(r,{getShadow:({light:r,shadowColorNode:s})=>t===r?s.mul(e):s})}function Iu(e,t=null){return Pu(t,{getAO:(t,{material:r})=>!0===r.transparent?t:null!==t?t.mul(e):e})}function Vu(e,t){return d('TSL: "label()" has been deprecated. Use "setName()" instead.'),Du(e,t)}Ai("context",Pu),Ai("label",Vu),Ai("uniformFlow",Uu),Ai("setName",Du),Ai("builtinShadowContext",(e,t,r)=>Ou(t,r,e)),Ai("builtinAOContext",(e,t)=>Iu(t,e));class ku extends pi{static get type(){return"VarNode"}constructor(e,t=null,r=!1){super(),this.node=e,this.name=t,this.global=!0,this.isVarNode=!0,this.readOnly=r,this.parents=!0,this.intent=!1}setIntent(e){return this.intent=e,this}isIntent(e){return!0!==e.getDataFromNode(this).forceDeclaration&&this.intent}getIntent(){return this.intent}getMemberType(e,t){return this.node.getMemberType(e,t)}getElementType(e){return this.node.getElementType(e)}generateNodeType(e){return this.node.getNodeType(e)}getArrayCount(e){return this.node.getArrayCount(e)}isAssign(e){return e.getDataFromNode(this).assign}build(...e){const t=e[0],r=this.getShared(t);if(this!==r)return r.build(...e);if(!1===this._hasStack(t)&&"setup"===t.buildStage&&(t.context.nodeLoop||t.context.nodeBlock)){let e=!1;if(this.node.isShaderCallNodeInternal&&null===this.node.shaderNode.getLayout()&&t.fnCall&&t.fnCall.shaderNode){if(t.getDataFromNode(this.node.shaderNode).hasLoop){t.getDataFromNode(this).forceDeclaration=!0,e=!0}}const r=t.getBaseStack();e?r.addToStackBefore(this):r.addToStack(this)}return this.isIntent(t)&&!0!==this.isAssign(t)?this.node.build(...e):super.build(...e)}generate(e){const{node:t,name:r,readOnly:s}=this,{renderer:i}=e,n=!0===i.backend.isWebGPUBackend;let a=!1,u=!1;s&&(a=e.isDeterministic(t),u=n?s:a);const l=this.getNodeType(e);if("void"==l){!0!==this.isIntent(e)&&o('TSL: ".toVar()" can not be used with void type.',this.stackTrace);return t.build(e)}const d=e.getVectorType(l),c=t.build(e,d),h=e.getVarFromNode(this,r,d,void 0,u),p=e.getPropertyName(h);let g=p;if(u)if(n)g=a?`const ${p}`:`let ${p}`;else{const r=t.getArrayCount(e);g=`const ${e.getVar(h.type,p,r)}`}return e.addLineFlowCode(`${g} = ${c}`,this),p}_hasStack(e){return void 0!==e.getDataFromNode(this).stack}}const Gu=un(ku),zu=(e,t=null)=>Gu(e,t).toStack(),$u=(e,t=null)=>Gu(e,t,!0).toStack(),Wu=e=>Gu(e).setIntent(!0).toStack();Ai("toVar",zu),Ai("toConst",$u),Ai("toVarIntent",Wu);class Hu extends pi{static get type(){return"SubBuild"}constructor(e,t,r=null){super(r),this.node=e,this.name=t,this.isSubBuildNode=!0}generateNodeType(e){if(null!==this.nodeType)return this.nodeType;e.addSubBuild(this.name);const t=this.node.getNodeType(e);return e.removeSubBuild(),t}build(e,...t){e.addSubBuild(this.name);const r=this.node.build(e,...t);return e.removeSubBuild(),r}}const ju=(e,t,r=null)=>new Hu(sn(e),t,r);class qu extends pi{static get type(){return"VaryingNode"}constructor(e,t=null){super(),this.node=ju(e,"VERTEX"),this.name=t,this.isVaryingNode=!0,this.interpolationType=null,this.interpolationSampling=null,this.global=!0}setInterpolation(e,t=null){return this.interpolationType=e,this.interpolationSampling=t,this}getHash(e){return this.name||super.getHash(e)}generateNodeType(e){return this.node.getNodeType(e)}setupVarying(e){const t=e.getNodeProperties(this);let r=t.varying;if(void 0===r){const s=this.name,i=this.getNodeType(e),n=this.interpolationType,a=this.interpolationSampling;t.varying=r=e.getVaryingFromNode(this,s,i,n,a),t.node=ju(this.node,"VERTEX")}return r.needsInterpolation||(r.needsInterpolation="fragment"===e.shaderStage),r}setup(e){this.setupVarying(e),e.flowNodeFromShaderStage(si.VERTEX,this.node)}analyze(e){this.setupVarying(e),e.flowNodeFromShaderStage(si.VERTEX,this.node)}generate(e){const t=e.getSubBuildProperty("property",e.currentStack),r=e.getNodeProperties(this),s=this.setupVarying(e);if(void 0===r[t]){const i=this.getNodeType(e),n=e.getPropertyName(s,si.VERTEX);if(e.shaderStage===si.VERTEX){const t=r.node.build(e,i);e.addLineFlowCode(`${n} = ${t}`,this)}else e.flowNodeFromShaderStage(si.VERTEX,r.node,i,n);r[t]=n}return e.getPropertyName(s)}}const Xu=un(qu).setParameterLength(1,2),Yu=e=>Xu(e);Ai("toVarying",Xu),Ai("toVertexStage",Yu);const Qu=gn(([e])=>{const t=e.mul(.9478672986).add(.0521327014).pow(2.4),r=e.mul(.0773993808),s=e.lessThanEqual(.04045);return xu(t,r,s)}).setLayout({name:"sRGBTransferEOTF",type:"vec3",inputs:[{name:"color",type:"vec3"}]}),Ku=gn(([e])=>{const t=e.pow(.41666).mul(1.055).sub(.055),r=e.mul(12.92),s=e.lessThanEqual(.0031308);return xu(t,r,s)}).setLayout({name:"sRGBTransferOETF",type:"vec3",inputs:[{name:"color",type:"vec3"}]}),Zu="WorkingColorSpace";class Ju extends fi{static get type(){return"ColorSpaceNode"}constructor(e,t,r){super("vec4"),this.colorNode=e,this.source=t,this.target=r}resolveColorSpace(e,t){return t===Zu?p.workingColorSpace:"OutputColorSpace"===t?e.context.outputColorSpace||e.renderer.outputColorSpace:t}setup(e){const{colorNode:t}=this,r=this.resolveColorSpace(e,this.source),s=this.resolveColorSpace(e,this.target);let i=t;return!1!==p.enabled&&r!==s&&r&&s?(p.getTransfer(r)===g&&(i=Fn(Qu(i.rgb),i.a)),p.getPrimaries(r)!==p.getPrimaries(s)&&(i=Fn(On(p._getMatrix(new n,r,s)).mul(i.rgb),i.a)),p.getTransfer(s)===g&&(i=Fn(Ku(i.rgb),i.a)),i):i}}const el=(e,t)=>new Ju(sn(e),Zu,t),tl=(e,t)=>new Ju(sn(e),t,Zu);Ai("workingToColorSpace",el),Ai("colorSpaceToWorking",tl);let rl=class extends gi{static get type(){return"ReferenceElementNode"}constructor(e,t){super(e,t),this.referenceNode=e,this.isReferenceElementNode=!0}generateNodeType(){return this.referenceNode.uniformType}generate(e){const t=super.generate(e),r=this.referenceNode.getNodeType(),s=this.getNodeType();return e.format(t,r,s)}};class sl extends pi{static get type(){return"ReferenceBaseNode"}constructor(e,t,r=null,s=null){super(),this.property=e,this.uniformType=t,this.object=r,this.count=s,this.properties=e.split("."),this.reference=r,this.node=null,this.group=null,this.updateType=ii.OBJECT}setGroup(e){return this.group=e,this}element(e){return new rl(this,sn(e))}setNodeType(e){const t=Aa(null,e);null!==this.group&&t.setGroup(this.group),this.node=t}generateNodeType(e){return null===this.node&&(this.updateReference(e),this.updateValue()),this.node.getNodeType(e)}getValueFromReference(e=this.reference){const{properties:t}=this;let r=e[t[0]];for(let e=1;enew il(e,t,r);class al extends fi{static get type(){return"ToneMappingNode"}constructor(e,t=ul,r=null){super("vec3"),this._toneMapping=e,this.exposureNode=t,this.colorNode=r}customCacheKey(){return $s(this._toneMapping)}setToneMapping(e){return this._toneMapping=e,this}getToneMapping(){return this._toneMapping}setup(e){const t=this.colorNode||e.context.color,r=this._toneMapping;if(r===m)return t;let s=null;const i=e.renderer.library.getToneMappingFunction(r);return null!==i?s=Fn(i(t.rgb,this.exposureNode),t.a):(o("ToneMappingNode: Unsupported Tone Mapping configuration.",r),s=t),s}}const ol=(e,t,r)=>new al(e,sn(t),sn(r)),ul=nl("toneMappingExposure","float");Ai("toneMapping",(e,t,r)=>ol(t,r,e));const ll=new WeakMap;function dl(e,t){let r=ll.get(e);return void 0===r&&(r=new b(e,t),ll.set(e,r)),r}class cl extends vi{static get type(){return"BufferAttributeNode"}constructor(e,t=null,r=0,s=0){super(e,t),this.isBufferNode=!0,this.bufferType=t,this.bufferStride=r,this.bufferOffset=s,this.usage=f,this.instanced=!1,this.attribute=null,this.global=!0,e&&!0===e.isBufferAttribute&&e.itemSize<=4&&(this.attribute=e,this.usage=e.usage,this.instanced=e.isInstancedBufferAttribute)}getHash(e){let t;if(0===this.bufferStride&&0===this.bufferOffset){let r=e.globalCache.getData(this.value);void 0===r&&(r={node:this},e.globalCache.setData(this.value,r)),t=r.node.id}else t=this.id;return String(t)}generateNodeType(e){return null===this.bufferType&&(this.bufferType=e.getTypeFromAttribute(this.attribute)),this.bufferType}setup(e){if(null!==this.attribute)return;const t=this.getNodeType(e),r=e.getTypeLength(t),s=this.value,i=this.bufferStride||r,n=this.bufferOffset;let a;a=!0===s.isInterleavedBuffer?s:!0===s.isBufferAttribute?dl(s.array,i):dl(s,i);const o=new y(a,r,n);a.setUsage(this.usage),this.attribute=o,this.attribute.isInstancedBufferAttribute=this.instanced}generate(e){const t=this.getNodeType(e),r=e.context.nodeName;void 0!==r&&delete e.context.nodeName;const s=e.getBufferAttributeFromNode(this,t,r),i=e.getPropertyName(s);let n=null;if("vertex"===e.shaderStage||"compute"===e.shaderStage)this.name=i,n=i;else{let s;r&&(s=r+"Varying");n=Xu(this,s).build(e,t)}return n}getInputType(){return"bufferAttribute"}setUsage(e){return this.usage=e,this.attribute&&!0===this.attribute.isBufferAttribute&&(this.attribute.usage=e),this}setInstanced(e){return this.instanced=e,this}}function hl(e,t=null,r=0,s=0,i=f,n=!1){return"mat3"===t||null===t&&9===e.itemSize?On(new cl(e,"vec3",9,0).setUsage(i).setInstanced(n),new cl(e,"vec3",9,3).setUsage(i).setInstanced(n),new cl(e,"vec3",9,6).setUsage(i).setInstanced(n)):"mat4"===t||null===t&&16===e.itemSize?In(new cl(e,"vec4",16,0).setUsage(i).setInstanced(n),new cl(e,"vec4",16,4).setUsage(i).setInstanced(n),new cl(e,"vec4",16,8).setUsage(i).setInstanced(n),new cl(e,"vec4",16,12).setUsage(i).setInstanced(n)):new cl(e,t,r,s).setUsage(i)}const pl=(e,t=null,r=0,s=0)=>hl(e,t,r,s),gl=(e,t=null,r=0,s=0)=>hl(e,t,r,s,f,!0),ml=(e,t=null,r=0,s=0)=>hl(e,t,r,s,x,!0);Ai("toAttribute",e=>pl(e.value));class fl extends pi{static get type(){return"IndexNode"}constructor(e){super("uint"),this.scope=e,this.isIndexNode=!0}generate(e){const t=this.getNodeType(e),r=this.scope;let s,i;if(r===fl.VERTEX)s=e.getVertexIndex();else if(r===fl.INSTANCE)s=e.getInstanceIndex();else if(r===fl.DRAW)s=e.getDrawIndex();else if(r===fl.INVOCATION_LOCAL)s=e.getInvocationLocalIndex();else if(r===fl.INVOCATION_SUBGROUP)s=e.getInvocationSubgroupIndex();else{if(r!==fl.SUBGROUP)throw new Error("THREE.IndexNode: Unknown scope: "+r);s=e.getSubgroupIndex()}if("vertex"===e.shaderStage||"compute"===e.shaderStage)i=s;else{i=Xu(this).build(e,t)}return i}}fl.VERTEX="vertex",fl.INSTANCE="instance",fl.SUBGROUP="subgroup",fl.INVOCATION_LOCAL="invocationLocal",fl.INVOCATION_SUBGROUP="invocationSubgroup",fl.DRAW="draw";const yl=ln(fl,fl.VERTEX),bl=ln(fl,fl.INSTANCE),xl=ln(fl,fl.SUBGROUP),Tl=ln(fl,fl.INVOCATION_SUBGROUP),_l=ln(fl,fl.INVOCATION_LOCAL),vl=ln(fl,fl.DRAW);class Nl extends pi{static get type(){return"ComputeNode"}constructor(e,t){super("void"),this.isComputeNode=!0,this.computeNode=e,this.workgroupSize=t,this.count=null,this.dispatchSize=null,this.version=1,this.name="",this.updateBeforeType=ii.OBJECT,this.onInitFunction=null,this.countNode=null}dispose(){this.dispatchEvent({type:"dispose"})}setName(e){return this.name=e,this}label(e){return d('TSL: "label()" has been deprecated. Use "setName()" instead.',new Vs),this.setName(e)}onInit(e){return this.onInitFunction=e,this}updateBefore({renderer:e}){e.compute(this)}setup(e){null!==this.count&&null===this.countNode&&(this.countNode=Aa(this.count,"uint").onObjectUpdate(()=>this.count));const t=this.computeNode.build(e);if(t){e.getNodeProperties(this).outputComputeNode=t.outputNode,t.outputNode=null}return t}generate(e,t){const{shaderStage:r}=e;if("compute"===r){const t=this.computeNode.build(e,"void");if(""!==t&&e.addLineFlowCode(t,this),null!==this.count&&!0===e.allowEarlyReturns){const t=this.countNode.build(e,"uint"),r=bl.build(e,"uint");e.flow.code=`${e.tab}if ( ${r} >= ${t} ) { return; }\n\n${e.flow.code}`}}else{const r=e.getNodeProperties(this).outputComputeNode;if(r)return r.build(e,t)}}}const Sl=(e,t=[64])=>{(0===t.length||t.length>3)&&o("TSL: compute() workgroupSize must have 1, 2, or 3 elements",new Vs);for(let e=0;e{const s=Sl(e,r);return"number"==typeof t?s.count=t:s.dispatchSize=t,s};Ai("compute",El),Ai("computeKernel",Sl);class Rl extends pi{static get type(){return"IsolateNode"}constructor(e,t=!0){super(),this.node=e,this.parent=t,this.isIsolateNode=!0}generateNodeType(e){const t=e.getCache(),r=e.getCacheFromNode(this,this.parent);e.setCache(r);const s=this.node.getNodeType(e);return e.setCache(t),s}build(e,...t){const r=e.getCache(),s=e.getCacheFromNode(this,this.parent);e.setCache(s);const i=this.node.build(e,...t);return e.setCache(r),i}setParent(e){return this.parent=e,this}getParent(){return this.parent}}const wl=e=>new Rl(sn(e));function Al(e,t=!0){return d('TSL: "cache()" has been deprecated. Use "isolate()" instead.'),wl(e).setParent(t)}Ai("cache",Al),Ai("isolate",wl);class Cl extends pi{static get type(){return"BypassNode"}constructor(e,t){super(),this.isBypassNode=!0,this.outputNode=e,this.callNode=t}generateNodeType(e){return this.outputNode.getNodeType(e)}generate(e){const t=this.callNode.build(e,"void");return""!==t&&e.addLineFlowCode(t,this),this.outputNode.build(e)}}const Ml=un(Cl).setParameterLength(2);Ai("bypass",Ml);const Bl=gn(([e,t,r,s=Tn(0),i=Tn(1),n=Nn(!1)])=>{let a=e.sub(t).div(r.sub(t));return en(n)&&(a=a.clamp()),a.mul(i.sub(s)).add(s)});function Fl(e,t,r,s=Tn(0),i=Tn(1)){return Bl(e,t,r,s,i,!0)}Ai("remap",Bl),Ai("remapClamp",Fl);class Ll extends pi{static get type(){return"ExpressionNode"}constructor(e="",t="void"){super(t),this.snippet=e}generate(e,t){const r=this.getNodeType(e),s=this.snippet;if("void"!==r)return e.format(s,r,t);e.addLineFlowCode(s,this)}}const Pl=un(Ll).setParameterLength(1,2),Ul=e=>(e?Fu(e,Pl("discard")):Pl("discard")).toStack();Ai("discard",Ul);const Dl=gn(([e])=>Fn(e.rgb.mul(e.a),e.a),{color:"vec4",return:"vec4"}),Ol=gn(([e])=>e.a.equal(0).select(Fn(0),Fn(e.rgb.div(e.a),e.a)),{color:"vec4",return:"vec4"});class Il extends fi{static get type(){return"RenderOutputNode"}constructor(e,t,r){super("vec4"),this.colorNode=e,this._toneMapping=t,this.outputColorSpace=r,this.isRenderOutputNode=!0}setToneMapping(e){return this._toneMapping=e,this}getToneMapping(){return this._toneMapping}setup({context:e}){let t=this.colorNode||e.color;t=Fn(t.rgb,t.a.clamp(0,1)),t=Ol(t);const r=(null!==this._toneMapping?this._toneMapping:e.toneMapping)||m,s=(null!==this.outputColorSpace?this.outputColorSpace:e.outputColorSpace)||T;return r!==m&&(t=t.toneMapping(r)),s!==T&&s!==p.workingColorSpace&&(t=t.workingToColorSpace(s)),t=Dl(t),t}}const Vl=(e,t=null,r=null)=>new Il(sn(e),t,r);Ai("renderOutput",Vl);class kl extends fi{static get type(){return"DebugNode"}constructor(e,t=null){super(),this.node=e,this.callback=t}generateNodeType(e){return this.node.getNodeType(e)}setup(e){return this.node.build(e)}analyze(e){return this.node.build(e)}generate(e){const t=this.callback,r=this.node.build(e);if(null!==t)t(e,r);else{const t="--- TSL debug - "+e.shaderStage+" shader ---",s="-".repeat(t.length);let i="";i+="// #"+t+"#\n",i+=e.flow.code.replace(/^\t/gm,"")+"\n",i+="/* ... */ "+r+" /* ... */\n",i+="// #"+s+"#\n",_(i)}return r}}const Gl=(e,t=null)=>new kl(sn(e),t).toStack();Ai("debug",Gl);class zl extends u{constructor(){super(),this._renderer=null,this.currentFrame=null}get nodeFrame(){return this._renderer._nodes.nodeFrame}setRenderer(e){return this._renderer=e,this}getRenderer(){return this._renderer}init(){}begin(){}finish(){}inspect(){}computeAsync(){}beginCompute(){}finishCompute(){}beginRender(){}finishRender(){}copyTextureToTexture(){}copyFramebufferToTexture(){}}class $l extends pi{static get type(){return"InspectorNode"}constructor(e,t="",r=null){super(),this.node=e,this.name=t,this.callback=r,this.updateType=ii.FRAME,this.isInspectorNode=!0}getName(){return this.name||this.node.name}update(e){e.renderer.inspector.inspect(this)}generateNodeType(e){return this.node.getNodeType(e)}setup(e){let t=this.node;return!0===e.context.inspector&&null!==this.callback&&(t=this.callback(t)),!0!==e.renderer.backend.isWebGPUBackend&&e.renderer.inspector.constructor!==zl&&v('TSL: ".toInspector()" is only available with WebGPU.'),t}}function Wl(e,t="",r=null){return(e=sn(e)).before(new $l(e,t,r))}Ai("toInspector",Wl);class Hl extends pi{static get type(){return"AttributeNode"}constructor(e,t=null){super(t),this.global=!0,this._attributeName=e}getHash(e){return this.getAttributeName(e)}generateNodeType(e){let t=this.nodeType;if(null===t){const r=this.getAttributeName(e);if(e.hasGeometryAttribute(r)){const s=e.geometry.getAttribute(r);t=e.getTypeFromAttribute(s)}else t="float"}return t}setAttributeName(e){return this._attributeName=e,this}getAttributeName(){return this._attributeName}generate(e){const t=this.getAttributeName(e),r=this.getNodeType(e);if(!0===e.hasGeometryAttribute(t)){const s=e.geometry.getAttribute(t),i=e.getTypeFromAttribute(s),n=e.getAttribute(t,i);if("vertex"===e.shaderStage)return e.format(n.name,i,r);return Xu(this).build(e,r)}return d(`AttributeNode: Vertex attribute "${t}" not found on geometry.`),e.generateConst(r)}serialize(e){super.serialize(e),e.global=this.global,e._attributeName=this._attributeName}deserialize(e){super.deserialize(e),this.global=e.global,this._attributeName=e._attributeName}}const jl=(e,t=null)=>new Hl(e,t),ql=(e=0)=>jl("uv"+(e>0?e:""),"vec2");class Xl extends pi{static get type(){return"TextureSizeNode"}constructor(e,t=null){super("uvec2"),this.isTextureSizeNode=!0,this.textureNode=e,this.levelNode=t}generate(e,t){const r=this.textureNode.build(e,"property"),s=null===this.levelNode?"0":this.levelNode.build(e,"int");return e.format(`${e.getMethod("textureDimensions")}( ${r}, ${s} )`,this.getNodeType(e),t)}}const Yl=un(Xl).setParameterLength(1,2);class Ql extends wa{static get type(){return"MaxMipLevelNode"}constructor(e){super(0),this._textureNode=e,this.updateType=ii.FRAME}get textureNode(){return this._textureNode}get texture(){return this._textureNode.value}update(){const e=this.texture,t=e.images,r=t&&t.length>0?t[0]&&t[0].image||t[0]:e.image;if(r&&void 0!==r.width){const{width:e,height:t}=r;this.value=Math.log2(Math.max(e,t))}}}const Kl=un(Ql).setParameterLength(1);class Zl extends Error{constructor(e,t=null){super(e),this.name="NodeError",this.stackTrace=t}}const Jl=new N;class ed extends wa{static get type(){return"TextureNode"}constructor(e=Jl,t=null,r=null,s=null){super(e),this.isTextureNode=!0,this.uvNode=t,this.levelNode=r,this.biasNode=s,this.compareNode=null,this.depthNode=null,this.gradNode=null,this.gatherNode=null,this.offsetNode=null,this.sampler=!0,this.updateMatrix=!1,this.updateType=ii.NONE,this.referenceNode=null,this._value=e,this._matrixUniform=null,this._flipYUniform=null,this.setUpdateMatrix(null===t)}set value(e){this.referenceNode?this.referenceNode.value=e:this._value=e}get value(){return this.referenceNode?this.referenceNode.value:this._value}getUniformHash(){return this.value.uuid}generateNodeType(){return!0===this.value.isDepthTexture?null===this.gatherNode?"float":"vec4":this.value.type===S?"uvec4":this.value.type===E?"ivec4":"vec4"}getInputType(){return"texture"}getDefaultUV(){return ql(this.value.channel)}updateReference(){return this.value}getTransformedUV(e){return null===this._matrixUniform&&(this._matrixUniform=Aa(this.value.matrix)),this._matrixUniform.mul(An(e,1)).xy}setUpdateMatrix(e){return this.updateMatrix=e,this}setupUV(e,t){return e.isFlipY()&&(null===this._flipYUniform&&(this._flipYUniform=Aa(!1)),t=t.toVar(),t=this.sampler?this._flipYUniform.select(t.flipY(),t):this._flipYUniform.select(t.setY(_n(Yl(this,this.levelNode).y).sub(t.y).sub(1)),t)),t}setup(e){const t=e.getNodeProperties(this);t.referenceNode=this.referenceNode;const r=this.value;if(!r||!0!==r.isTexture)throw new Zl("THREE.TSL: `texture( value )` function expects a valid instance of THREE.Texture().",this.stackTrace);const s=gn(()=>{let t=this.uvNode;return null!==t&&!0!==e.context.forceUVContext||!e.context.getUV||(t=e.context.getUV(this,e)),t||(t=this.getDefaultUV()),!0===this.updateMatrix&&(t=this.getTransformedUV(t)),t=this.setupUV(e,t),this.updateType=null!==this._matrixUniform||null!==this._flipYUniform?ii.OBJECT:ii.NONE,t})();let i=this.levelNode;null===i&&e.context.getTextureLevel&&(i=e.context.getTextureLevel(this));let n=null,a=null;if(null!==this.compareNode)if(e.renderer.hasCompatibility(R.TEXTURE_COMPARE))n=this.compareNode;else{const e=r.compareFunction;null===e||e===w||e===A||e===C||e===M?a=this.compareNode:(n=this.compareNode,v('TSL: Only "LessCompare", "LessEqualCompare", "GreaterCompare" and "GreaterEqualCompare" are supported for depth texture comparison fallback.'))}t.uvNode=s,t.levelNode=i,t.biasNode=this.biasNode,t.compareNode=n,t.compareStepNode=a,t.gradNode=this.gradNode,t.gatherNode=this.gatherNode,t.depthNode=this.depthNode,t.offsetNode=this.offsetNode}generateUV(e,t){return t.build(e,!0===this.sampler?"vec2":"ivec2")}generateOffset(e,t){return t.build(e,"ivec2")}generateSnippet(e,t,r,s,i,n,a,o,u,l,d){const c=this.value;let h;return h=i?e.generateTextureBias(c,t,r,i,n,l):o?e.generateTextureGrad(c,t,r,o,n,l):u?a?e.generateTextureGatherCompare(c,t,r,a,n,l,d):e.generateTextureGather(c,t,r,u,n,l,d):a?e.generateTextureCompare(c,t,r,a,n,l):!1===this.sampler?e.generateTextureLoad(c,t,r,s,n,l):s?e.generateTextureLevel(c,t,r,s,n,l):e.generateTexture(c,t,r,n,l),h}generate(e,t){const r=this.value,s=e.getNodeProperties(this),i=super.generate(e,"property");if(/^sampler/.test(t))return i+"_sampler";if(e.isReference(t))return i;{const n=e.getDataFromNode(this);let a=this.getNodeType(e),o=n.propertyName;if(void 0===o){const{uvNode:t,levelNode:u,biasNode:l,compareNode:d,compareStepNode:c,depthNode:h,gradNode:p,gatherNode:g,offsetNode:m}=s,f=this.generateUV(e,t),y=u?u.build(e,"float"):null,b=l?l.build(e,"float"):null,x=h?h.build(e,"int"):null,T=d?d.build(e,"float"):null,_=c?c.build(e,"float"):null,v=p?[p[0].build(e,"vec2"),p[1].build(e,"vec2")]:null,N=g?g.build(e,"int"):null,S=m?this.generateOffset(e,m):null,E=this._flipYUniform?this._flipYUniform.build(e,"bool"):null;N&&(a="vec4");let R=x;null===R&&r.isArrayTexture&&!0!==this.isTexture3DNode&&(R="0");const w=e.getVarFromNode(this);o=e.getPropertyName(w);let A=this.generateSnippet(e,i,f,y,b,R,T,v,N,S,E);if(null!==_){const t=r.compareFunction;A=t===C||t===M?iu(Pl(A,a),Pl(_,"float")).build(e,a):iu(Pl(_,"float"),Pl(A,a)).build(e,a)}e.addLineFlowCode(`${o} = ${A}`,this),n.snippet=A,n.propertyName=o}let u=o;return e.needsToWorkingColorSpace(r)&&(u=tl(Pl(u,a),r.colorSpace).setup(e).build(e,a)),e.format(u,a,t)}}setSampler(e){return this.sampler=e,this}getSampler(){return this.sampler}sample(e){const t=this.clone();return t.uvNode=sn(e),t.referenceNode=this.getBase(),sn(t)}load(e){return this.sample(e).setSampler(!1)}blur(e){const t=this.clone();t.biasNode=sn(e).mul(Kl(t)),t.referenceNode=this.getBase();const r=t.value;return!1===t.generateMipmaps&&(r&&!1===r.generateMipmaps||r.minFilter===B||r.magFilter===B)&&(d("TSL: texture().blur() requires mipmaps and sampling. Use .generateMipmaps=true and .minFilter/.magFilter=THREE.LinearFilter in the Texture."),t.biasNode=null),sn(t)}level(e){const t=this.clone();return t.levelNode=sn(e),t.referenceNode=this.getBase(),sn(t)}size(e){return Yl(this,e)}bias(e){const t=this.clone();return t.biasNode=sn(e),t.referenceNode=this.getBase(),sn(t)}getBase(){return this.referenceNode?this.referenceNode.getBase():this}compare(e){const t=this.clone();return t.compareNode=sn(e),t.referenceNode=this.getBase(),sn(t)}grad(e,t){const r=this.clone();return r.gradNode=[sn(e),sn(t)],r.referenceNode=this.getBase(),sn(r)}gather(e=0){const t=this.clone();return t.gatherNode=sn(e),t.referenceNode=this.getBase(),sn(t)}depth(e){const t=this.clone();return t.depthNode=sn(e),t.referenceNode=this.getBase(),sn(t)}offset(e){const t=this.clone();return t.offsetNode=sn(e),t.referenceNode=this.getBase(),sn(t)}serialize(e){super.serialize(e),e.value=this.value.toJSON(e.meta).uuid,e.sampler=this.sampler,e.updateMatrix=this.updateMatrix,e.updateType=this.updateType}deserialize(e){super.deserialize(e),this.value=e.meta.textures[e.value],this.sampler=e.sampler,this.updateMatrix=e.updateMatrix,this.updateType=e.updateType}update(){const e=this.value,t=this._matrixUniform;null!==t&&(t.value=e.matrix),!0===e.matrixAutoUpdate&&e.updateMatrix();const r=this._flipYUniform;null!==r&&(r.value=e.image instanceof ImageBitmap&&!0===e.flipY||!0===e.isRenderTargetTexture||!0===e.isFramebufferTexture||!0===e.isDepthTexture)}clone(){const e=new this.constructor(this.value,this.uvNode,this.levelNode,this.biasNode);return e.sampler=this.sampler,e.depthNode=this.depthNode,e.compareNode=this.compareNode,e.gradNode=this.gradNode,e.gatherNode=this.gatherNode,e.offsetNode=this.offsetNode,e}}const td=un(ed).setParameterLength(1,4).setName("texture"),rd=(e=Jl,t=null,r=null,s=null)=>{let i;return e&&!0===e.isTextureNode?(i=sn(e.clone()),i.referenceNode=e.getBase(),null!==t&&(i.uvNode=sn(t)),null!==r&&(i.levelNode=sn(r)),null!==s&&(i.biasNode=sn(s))):i=td(e,t,r,s),i},sd=(...e)=>rd(...e).setSampler(!1);class id extends wa{static get type(){return"BufferNode"}constructor(e,t,r=0){super(e,t),this.isBufferNode=!0,this.bufferType=t,this.bufferCount=r,this.updateRanges=[]}addUpdateRange(e,t){this.updateRanges.push({start:e,count:t})}clearUpdateRanges(){this.updateRanges.length=0}getElementType(e){return this.getNodeType(e)}getInputType(){return"buffer"}}const nd=(e,t,r)=>new id(e,t,r);class ad extends gi{static get type(){return"UniformArrayElementNode"}constructor(e,t){super(e,t),this.isArrayBufferElementNode=!0}generate(e){const t=super.generate(e),r=this.getNodeType(e),s=this.node.getPaddedType();return e.format(t,s,r)}}class od extends id{static get type(){return"UniformArrayNode"}constructor(e,t=null){super(null),this.array=e,this.elementType=null===t?Ks(e[0]):t,this.paddedType=this.getPaddedType(),this.updateType=ii.RENDER,this.isArrayBufferNode=!0}generateNodeType(){return this.paddedType}getElementType(){return this.elementType}getPaddedType(){const e=this.elementType;let t="vec4";return"mat2"===e?t="mat2":!0===/mat/.test(e)?t="mat4":"i"===e.charAt(0)?t="ivec4":"u"===e.charAt(0)&&(t="uvec4"),t}update(){const{array:e,value:t}=this,r=this.elementType;if("float"===r||"int"===r||"uint"===r)for(let r=0;rnew od(e,t);class ld extends pi{constructor(e){super("float"),this.name=e,this.isBuiltinNode=!0}generate(){return this.name}}const dd=un(ld).setParameterLength(1);let cd,hd;class pd extends pi{static get type(){return"ScreenNode"}constructor(e){super(),this.scope=e,this._output=null,this.isViewportNode=!0}generateNodeType(){return this.scope===pd.DPR?"float":this.scope===pd.VIEWPORT?"vec4":"vec2"}getUpdateType(){let e=ii.NONE;return this.scope!==pd.SIZE&&this.scope!==pd.VIEWPORT&&this.scope!==pd.DPR||(e=ii.RENDER),this.updateType=e,e}update({renderer:e}){const t=e.getRenderTarget();this.scope===pd.VIEWPORT?null!==t?hd.copy(t.viewport):(e.getViewport(hd),hd.multiplyScalar(e.getPixelRatio())):this.scope===pd.DPR?this._output.value=e.getPixelRatio():null!==t?(cd.width=t.width,cd.height=t.height):e.getDrawingBufferSize(cd)}setup(){const e=this.scope;let r=null;return r=e===pd.SIZE?Aa(cd||(cd=new t)):e===pd.VIEWPORT?Aa(hd||(hd=new s)):e===pd.DPR?Aa(1):Sn(yd.div(fd)),this._output=r,r}generate(e){if(this.scope===pd.COORDINATE){let t=e.getFragCoord();if(e.isFlipY()){const r=e.getNodeProperties(fd).outputNode.build(e);t=`${e.getType("vec2")}( ${t}.x, ${r}.y - ${t}.y )`}return t}return super.generate(e)}}pd.COORDINATE="coordinate",pd.VIEWPORT="viewport",pd.SIZE="size",pd.UV="uv",pd.DPR="dpr";const gd=ln(pd,pd.DPR),md=ln(pd,pd.UV),fd=ln(pd,pd.SIZE),yd=ln(pd,pd.COORDINATE),bd=ln(pd,pd.VIEWPORT),xd=bd.zw,Td=yd.sub(bd.xy),_d=Td.div(xd),vd=gn(()=>(d('TSL: "viewportResolution" is deprecated. Use "screenSize" instead.',new Vs),fd),"vec2").once()();let Nd=null,Sd=null,Ed=null,Rd=null,wd=null,Ad=null,Cd=null,Md=null,Bd=null,Fd=null,Ld=null,Pd=null,Ud=null,Dd=null;const Od=Aa(0,"uint").setName("u_cameraIndex").setGroup(Na("cameraIndex")).toVarying("v_cameraIndex"),Id=Aa("float").setName("cameraNear").setGroup(Ea).onRenderUpdate(({camera:e})=>e.near),Vd=Aa("float").setName("cameraFar").setGroup(Ea).onRenderUpdate(({camera:e})=>e.far),kd=gn(({camera:e})=>{let t;if(e.isArrayCamera&&e.cameras.length>0){const r=[];for(const t of e.cameras)r.push(t.projectionMatrix);null===Sd?Sd=ud(r).setGroup(Ea).setName("cameraProjectionMatrices"):Sd.array=r,t=Sd.element(e.isMultiViewCamera?dd("gl_ViewID_OVR"):Od)}else null===Nd&&(Nd=Aa(e.projectionMatrix).setName("cameraProjectionMatrix").setGroup(Ea).onRenderUpdate(({camera:e})=>e.projectionMatrix)),t=Nd;return t}).once()(),Gd=gn(({camera:e})=>{let t;if(e.isArrayCamera&&e.cameras.length>0){const r=[];for(const t of e.cameras)r.push(t.projectionMatrixInverse);null===Rd?Rd=ud(r).setGroup(Ea).setName("cameraProjectionMatricesInverse"):Rd.array=r,t=Rd.element(e.isMultiViewCamera?dd("gl_ViewID_OVR"):Od)}else null===Ed&&(Ed=Aa(e.projectionMatrixInverse).setName("cameraProjectionMatrixInverse").setGroup(Ea).onRenderUpdate(({camera:e})=>e.projectionMatrixInverse)),t=Ed;return t}).once()(),zd=gn(({camera:e})=>{let t;if(e.isArrayCamera&&e.cameras.length>0){const r=[];for(const t of e.cameras)r.push(t.matrixWorldInverse);null===Ad?Ad=ud(r).setGroup(Ea).setName("cameraViewMatrices"):Ad.array=r,t=Ad.element(e.isMultiViewCamera?dd("gl_ViewID_OVR"):Od)}else null===wd&&(wd=Aa(e.matrixWorldInverse).setName("cameraViewMatrix").setGroup(Ea).onRenderUpdate(({camera:e})=>e.matrixWorldInverse)),t=wd;return t}).once()(),$d=gn(({camera:e})=>{let t;if(e.isArrayCamera&&e.cameras.length>0){const r=[];for(const t of e.cameras)r.push(t.matrixWorld);null===Md?Md=ud(r).setGroup(Ea).setName("cameraWorldMatrices"):Md.array=r,t=Md.element(e.isMultiViewCamera?dd("gl_ViewID_OVR"):Od)}else null===Cd&&(Cd=Aa(e.matrixWorld).setName("cameraWorldMatrix").setGroup(Ea).onRenderUpdate(({camera:e})=>e.matrixWorld)),t=Cd;return t}).once()(),Wd=gn(({camera:e})=>{let t;if(e.isArrayCamera&&e.cameras.length>0){const r=[];for(const t of e.cameras)r.push(t.normalMatrix);null===Fd?Fd=ud(r).setGroup(Ea).setName("cameraNormalMatrices"):Fd.array=r,t=Fd.element(e.isMultiViewCamera?dd("gl_ViewID_OVR"):Od)}else null===Bd&&(Bd=Aa(e.normalMatrix).setName("cameraNormalMatrix").setGroup(Ea).onRenderUpdate(({camera:e})=>e.normalMatrix)),t=Bd;return t}).once()(),Hd=gn(({camera:e})=>{let t;if(e.isArrayCamera&&e.cameras.length>0){const s=[];for(let t=0,i=e.cameras.length;t{const r=e.cameras,s=t.array;for(let e=0,t=r.length;et.value.setFromMatrixPosition(e.matrixWorld))),t=Ld;return t}).once()(),jd=gn(({camera:e})=>{let t;if(e.isArrayCamera&&e.cameras.length>0){const r=[];for(const t of e.cameras)r.push(t.viewport);null===Dd?Dd=ud(r,"vec4").setGroup(Ea).setName("cameraViewports"):Dd.array=r,t=Dd.element(Od)}else null===Ud&&(Ud=Fn(0,0,fd.x,fd.y).toConst("cameraViewport")),t=Ud;return t}).once()(),qd=new F;class Xd extends pi{static get type(){return"Object3DNode"}constructor(e,t=null){super(),this.scope=e,this.object3d=t,this.updateType=ii.OBJECT,this.uniformNode=new wa(null)}generateNodeType(){const e=this.scope;return e===Xd.WORLD_MATRIX?"mat4":e===Xd.POSITION||e===Xd.VIEW_POSITION||e===Xd.DIRECTION||e===Xd.SCALE?"vec3":e===Xd.RADIUS?"float":void 0}update(e){const t=this.object3d,s=this.uniformNode,i=this.scope;if(i===Xd.WORLD_MATRIX)s.value=t.matrixWorld;else if(i===Xd.POSITION)s.value=s.value||new r,s.value.setFromMatrixPosition(t.matrixWorld);else if(i===Xd.SCALE)s.value=s.value||new r,s.value.setFromMatrixScale(t.matrixWorld);else if(i===Xd.DIRECTION)s.value=s.value||new r,t.getWorldDirection(s.value);else if(i===Xd.VIEW_POSITION){const i=e.camera;s.value=s.value||new r,s.value.setFromMatrixPosition(t.matrixWorld),s.value.applyMatrix4(i.matrixWorldInverse)}else if(i===Xd.RADIUS){const r=e.object.geometry;null===r.boundingSphere&&r.computeBoundingSphere(),qd.copy(r.boundingSphere).applyMatrix4(t.matrixWorld),s.value=qd.radius}}generate(e){const t=this.scope;return t===Xd.WORLD_MATRIX?this.uniformNode.nodeType="mat4":t===Xd.POSITION||t===Xd.VIEW_POSITION||t===Xd.DIRECTION||t===Xd.SCALE?this.uniformNode.nodeType="vec3":t===Xd.RADIUS&&(this.uniformNode.nodeType="float"),this.uniformNode.build(e)}serialize(e){super.serialize(e),e.scope=this.scope}deserialize(e){super.deserialize(e),this.scope=e.scope}}Xd.WORLD_MATRIX="worldMatrix",Xd.POSITION="position",Xd.SCALE="scale",Xd.VIEW_POSITION="viewPosition",Xd.DIRECTION="direction",Xd.RADIUS="radius";const Yd=un(Xd,Xd.DIRECTION).setParameterLength(1),Qd=un(Xd,Xd.WORLD_MATRIX).setParameterLength(1),Kd=un(Xd,Xd.POSITION).setParameterLength(1),Zd=un(Xd,Xd.SCALE).setParameterLength(1),Jd=un(Xd,Xd.VIEW_POSITION).setParameterLength(1),ec=un(Xd,Xd.RADIUS).setParameterLength(1);class tc extends Xd{static get type(){return"ModelNode"}constructor(e){super(e)}update(e){this.object3d=e.object,super.update(e)}}const rc=ln(tc,tc.DIRECTION),sc=ln(tc,tc.WORLD_MATRIX),ic=ln(tc,tc.POSITION),nc=ln(tc,tc.SCALE),ac=ln(tc,tc.VIEW_POSITION),oc=ln(tc,tc.RADIUS),uc=Aa(new n).onObjectUpdate(({object:e},t)=>t.value.getNormalMatrix(e.matrixWorld)),lc=Aa(new a).onObjectUpdate(({object:e},t)=>t.value.copy(e.matrixWorld).invert()),dc=gn(e=>e.context.modelViewMatrix||cc).once()().toVar("modelViewMatrix"),cc=zd.mul(sc),hc=gn(e=>(e.context.isHighPrecisionModelViewMatrix=!0,Aa("mat4").onObjectUpdate(({object:e,camera:t})=>e.modelViewMatrix.multiplyMatrices(t.matrixWorldInverse,e.matrixWorld)))).once()().toVar("highpModelViewMatrix"),pc=gn(e=>{const t=e.context.isHighPrecisionModelViewMatrix;return Aa("mat3").onObjectUpdate(({object:e,camera:r})=>(!0!==t&&e.modelViewMatrix.multiplyMatrices(r.matrixWorldInverse,e.matrixWorld),e.normalMatrix.getNormalMatrix(e.modelViewMatrix)))}).once()().toVar("highpModelNormalViewMatrix"),gc=gn(e=>"fragment"!==e.shaderStage?(v("TSL: `clipSpace` is only available in fragment stage."),Fn()):e.context.clipSpace.toVarying("v_clipSpace")).once()(),mc=jl("position","vec3"),fc=mc.toVarying("positionLocal"),yc=mc.toVarying("positionPrevious"),bc=gn(e=>sc.mul(fc).xyz.toVarying(e.getSubBuildProperty("v_positionWorld")),"vec3").once(["POSITION"])(),xc=gn(()=>fc.transformDirection(sc).toVarying("v_positionWorldDirection").normalize().toVar("positionWorldDirection"),"vec3").once(["POSITION"])(),Tc=gn(e=>{if("fragment"===e.shaderStage&&e.material.vertexNode){const e=Gd.mul(gc);return e.xyz.div(e.w).toVar("positionView")}return e.context.setupPositionView().toVarying("v_positionView")},"vec3").once(["POSITION","VERTEX"])(),_c=gn(e=>{let t;return t=e.camera.isOrthographicCamera?An(0,0,1):Tc.negate().toVarying("v_positionViewDirection").normalize(),t.toVar("positionViewDirection")},"vec3").once(["POSITION"])();class vc extends pi{static get type(){return"FrontFacingNode"}constructor(){super("bool"),this.isFrontFacingNode=!0}generate(e){if("fragment"!==e.shaderStage)return"true";const{material:t}=e;return t.side===L?"false":e.getFrontFacing()}}const Nc=ln(vc),Sc=Tn(Nc).mul(2).sub(1),Ec=gn(([e],{material:t})=>{const r=t.side;return r===L?e=e.mul(-1):r===P&&(e=e.mul(Sc)),e}),Rc=jl("normal","vec3"),wc=gn(e=>!1===e.geometry.hasAttribute("normal")?(d('TSL: Vertex attribute "normal" not found on geometry.'),An(0,1,0)):Rc,"vec3").once()().toVar("normalLocal"),Ac=Tc.dFdx().cross(Tc.dFdy()).normalize().toVar("normalFlat"),Cc=gn(e=>{let t;return t=e.isFlatShading()?Ac:Uc(wc).toVarying("v_normalViewGeometry").normalize(),t},"vec3").once()().toVar("normalViewGeometry"),Mc=gn(e=>{let t=Cc.transformNormalByInverseViewMatrix(zd);return!0!==e.isFlatShading()&&(t=t.toVarying("v_normalWorldGeometry")),t.normalize().toVar("normalWorldGeometry")},"vec3").once()(),Bc=gn(e=>{let t;return"NORMAL"===e.subBuildFn||"VERTEX"===e.subBuildFn?(t=Cc,!0!==e.isFlatShading()&&(t=Ec(t))):t=e.context.setupNormal().context({getUV:null,getTextureLevel:null}),t},"vec3").once(["NORMAL","VERTEX"])().toVar("normalView"),Fc=Bc.transformNormalByInverseViewMatrix(zd).toVar("normalWorld"),Lc=gn(({subBuildFn:e,context:t})=>{let r;return r="NORMAL"===e||"VERTEX"===e?Bc:t.setupClearcoatNormal().context({getUV:null,getTextureLevel:null}),r},"vec3").once(["NORMAL","VERTEX"])().toVar("clearcoatNormalView"),Pc=gn(([e,t=sc])=>On(t).inverse().transpose().mul(e).normalize());Ai("transformNormal",Pc);const Uc=gn(([e],t)=>{const r=t.context.modelNormalViewMatrix;if(r)return e.transformNormalByViewMatrix(r);return uc.mul(e).transformNormalByViewMatrix(zd)}),Dc=gn(()=>(d('TSL: "transformedNormalView" is deprecated. Use "normalView" instead.'),Bc)).once(["NORMAL","VERTEX"])(),Oc=gn(()=>(d('TSL: "transformedNormalWorld" is deprecated. Use "normalWorld" instead.'),Fc)).once(["NORMAL","VERTEX"])(),Ic=gn(()=>(d('TSL: "transformedClearcoatNormalView" is deprecated. Use "clearcoatNormalView" instead.'),Lc)).once(["NORMAL","VERTEX"])(),Vc=new a,kc=Aa(0).onReference(({material:e})=>e).onObjectUpdate(({material:e})=>e.refractionRatio),Gc=Aa(1).onReference(({material:e})=>e).onObjectUpdate(function({material:e,scene:t}){return e.envMap?e.envMapIntensity:t.environmentIntensity}),zc=Aa(new a).onReference(function(e){return e.material}).onObjectUpdate(function({material:e,scene:t}){const r=null!==t.environment&&null===e.envMap?t.environmentRotation:e.envMapRotation;return r?Vc.makeRotationFromEuler(r).transpose():Vc.identity(),Vc}),$c=_c.negate().reflect(Bc),Wc=_c.negate().refract(Bc,kc),Hc=$c.transformDirection($d).toVar("reflectVector"),jc=Wc.transformDirection($d).toVar("refractVector"),qc=new U;class Xc extends ed{static get type(){return"CubeTextureNode"}constructor(e,t=null,r=null,s=null){super(e,t,r,s),this.isCubeTextureNode=!0}getInputType(){return!0===this.value.isDepthTexture?"cubeDepthTexture":"cubeTexture"}getDefaultUV(){const e=this.value;return e.mapping===D?Hc:e.mapping===O?jc:(o('CubeTextureNode: Mapping "%s" not supported.',e.mapping),An(0,0,0))}setUpdateMatrix(){}setupUV(e,t){const r=this.value;return!0===r.isDepthTexture?e.renderer.coordinateSystem===h?An(t.x,t.y.negate(),t.z):t:(t=zc.mul(t),e.renderer.coordinateSystem!==h&&r.isRenderTargetTexture||(t=An(t.x.negate(),t.yz)),t)}generateUV(e,t){return t.build(e,!0===this.sampler?"vec3":"ivec3")}}const Yc=un(Xc).setParameterLength(1,4).setName("cubeTexture"),Qc=(e=qc,t=null,r=null,s=null)=>{let i;return e&&!0===e.isCubeTextureNode?(i=sn(e.clone()),i.referenceNode=e,null!==t&&(i.uvNode=sn(t)),null!==r&&(i.levelNode=sn(r)),null!==s&&(i.biasNode=sn(s))):i=Yc(e,t,r,s),i};class Kc extends gi{static get type(){return"ReferenceElementNode"}constructor(e,t){super(e,t),this.referenceNode=e,this.isReferenceElementNode=!0}generateNodeType(){return this.referenceNode.uniformType}generate(e){const t=super.generate(e),r=this.referenceNode.getNodeType(e),s=this.getNodeType(e);return e.format(t,r,s)}}class Zc extends pi{static get type(){return"ReferenceNode"}constructor(e,t,r=null,s=null){super(),this.property=e,this.uniformType=t,this.object=r,this.count=s,this.properties=e.split("."),this.reference=r,this.node=null,this.group=null,this.name=null,this.updateType=ii.OBJECT}element(e){return new Kc(this,sn(e))}setGroup(e){return this.group=e,this}setName(e){return this.name=e,this}label(e){return d('TSL: "label()" has been deprecated. Use "setName()" instead.'),this.setName(e)}setNodeType(e){let t=null;null!==this.count?t=nd(null,e,this.count):Array.isArray(this.getValueFromReference())?(t=ud(null,e),t.updateType=ii.OBJECT):t="texture"===e?rd(null):"cubeTexture"===e?Qc(null):Aa(null,e),null!==this.group&&t.setGroup(this.group),null!==this.name&&t.setName(this.name),this.node=t}generateNodeType(e){return null===this.node&&(this.updateReference(e),this.updateValue()),this.node.getNodeType(e)}getValueFromReference(e=this.reference){const{properties:t}=this;let r=e[t[0]];for(let e=1;enew Zc(e,t,r),eh=(e,t,r,s)=>new Zc(e,t,s,r);class th extends Zc{static get type(){return"MaterialReferenceNode"}constructor(e,t,r=null){super(e,t,r),this.material=r,this.isMaterialReferenceNode=!0}updateReference(e){return this.reference=null!==this.material?this.material:e.material,this.reference}}const rh=(e,t,r=null)=>new th(e,t,r),sh=ql(),ih=Tc.dFdx(),nh=Tc.dFdy(),ah=sh.dFdx(),oh=sh.dFdy(),uh=Bc,lh=nh.cross(uh),dh=uh.cross(ih),ch=lh.mul(ah.x).add(dh.mul(oh.x)),hh=lh.mul(ah.y).add(dh.mul(oh.y)),ph=ch.dot(ch).max(hh.dot(hh)),gh=ph.equal(0).select(0,ph.inverseSqrt()),mh=ch.mul(gh).toVar("tangentViewFrame"),fh=hh.mul(gh).toVar("bitangentViewFrame"),yh=jl("tangent","vec4"),bh=yh.xyz.toVar("tangentLocal"),xh=gn(e=>{let t;return t="VERTEX"===e.subBuildFn||e.geometry.hasAttribute("tangent")?dc.mul(Fn(bh,0)).xyz.toVarying("v_tangentView").normalize():mh,!0!==e.isFlatShading()&&(t=Ec(t)),t},"vec3").once(["NORMAL","VERTEX"])().toVar("tangentView"),Th=xh.transformDirection($d).toVarying("v_tangentWorld").normalize().toVar("tangentWorld"),_h=gn(([e,t],r)=>{let s=e.mul(yh.w).xyz;return"NORMAL"===r.subBuildFn&&!0!==r.isFlatShading()&&(s=s.toVarying(t)),s}).once(["NORMAL"]),vh=_h(Rc.cross(yh),"v_bitangentGeometry").normalize().toVar("bitangentGeometry"),Nh=_h(wc.cross(bh),"v_bitangentLocal").normalize().toVar("bitangentLocal"),Sh=gn(e=>{let t;return t="VERTEX"===e.subBuildFn||e.geometry.hasAttribute("tangent")?_h(Bc.cross(xh),"v_bitangentView").normalize():fh,!0!==e.isFlatShading()&&(t=Ec(t)),t},"vec3").once(["NORMAL","VERTEX"])().toVar("bitangentView"),Eh=_h(Fc.cross(Th),"v_bitangentWorld").normalize().toVar("bitangentWorld"),Rh=On(xh,Sh,Bc).toVar("TBNViewMatrix"),wh=_c.mul(Rh),Ah=gn(()=>{let e=na.cross(_c);return e=e.cross(na).normalize(),e=xu(e,Bc,sa.mul(qn.oneMinus()).oneMinus().pow2().pow2()).normalize(),e}).once()(),Ch=e=>sn(e).mul(.5).add(.5),Mh=e=>sn(e).mul(2).sub(1),Bh=e=>An(e,So(_u(Tn(1).sub(uu(e,e)))));class Fh extends fi{static get type(){return"NormalMapNode"}constructor(e,t=null){super("vec3"),this.node=e,this.scaleNode=t,this.normalMapType=I,this.unpackNormalMode=V}setup(e){const{normalMapType:t,scaleNode:r,unpackNormalMode:s}=this;let i=this.node.mul(2).sub(1);if(t===I?s===k?i=Bh(i.xy):s===G?i=Bh(i.yw):s!==V&&o(`THREE.NodeMaterial: Unexpected unpack normal mode: ${s}`):s!==V&&o(`THREE.NodeMaterial: Normal map type '${t}' is not compatible with unpack normal mode '${s}'`),null!==r){let t=r;!0===e.isFlatShading()&&(t=Ec(t)),i=An(i.xy.mul(t),i.z)}let n=null;return t===z?n=Uc(i):t===I?n=Rh.mul(i).normalize():(o(`NodeMaterial: Unsupported normal map type: ${t}`),n=Bc),n}}const Lh=un(Fh).setParameterLength(1,2),Ph=gn(({textureNode:e,bumpScale:t})=>{const r=t=>e.isolate().context({getUV:e=>t(e.uvNode||ql()),forceUVContext:!0}),s=Tn(r(e=>e));return Sn(Tn(r(e=>e.add(e.dFdx()))).sub(s),Tn(r(e=>e.add(e.dFdy()))).sub(s)).mul(t)}),Uh=gn(e=>{const{surf_pos:t,surf_norm:r,dHdxy:s}=e,i=t.dFdx().normalize(),n=r,a=t.dFdy().normalize().cross(n),o=n.cross(i),u=i.dot(a).mul(Sc),l=u.sign().mul(s.x.mul(a).add(s.y.mul(o)));return u.abs().mul(r).sub(l).normalize()});class Dh extends fi{static get type(){return"BumpMapNode"}constructor(e,t=null){super("vec3"),this.textureNode=e,this.scaleNode=t}setup(e){if(!0===e.material.wireframe)return Bc;const t=null!==this.scaleNode?this.scaleNode:1,r=Ph({textureNode:this.textureNode,bumpScale:t});return Uh({surf_pos:Tc,surf_norm:Bc,dHdxy:r})}}const Oh=un(Dh).setParameterLength(1,2),Ih=new Map;class Vh extends pi{static get type(){return"MaterialNode"}constructor(e){super(),this.scope=e}getCache(e,t){let r=Ih.get(e);return void 0===r&&(r=rh(e,t),Ih.set(e,r)),r}getFloat(e){return this.getCache(e,"float")}getColor(e){return this.getCache(e,"color")}getTexture(e){return this.getCache("map"===e?"map":e+"Map","texture")}setup(e){const t=e.context.material,r=this.scope;let s=null;if(r===Vh.COLOR){const e=void 0!==t.color?this.getColor(r):An();s=t.map&&!0===t.map.isTexture?e.mul(this.getTexture("map")):e}else if(r===Vh.OPACITY){const e=this.getFloat(r);s=t.alphaMap&&!0===t.alphaMap.isTexture?e.mul(this.getTexture("alpha")):e}else if(r===Vh.SPECULAR_STRENGTH)s=t.specularMap&&!0===t.specularMap.isTexture?this.getTexture("specular").r:Tn(1);else if(r===Vh.SPECULAR_INTENSITY){const e=this.getFloat(r);s=t.specularIntensityMap&&!0===t.specularIntensityMap.isTexture?e.mul(this.getTexture(r).a):e}else if(r===Vh.SPECULAR_COLOR){const e=this.getColor(r);s=t.specularColorMap&&!0===t.specularColorMap.isTexture?e.mul(this.getTexture(r).rgb):e}else if(r===Vh.ROUGHNESS){const e=this.getFloat(r);s=t.roughnessMap&&!0===t.roughnessMap.isTexture?e.mul(this.getTexture(r).g):e}else if(r===Vh.METALNESS){const e=this.getFloat(r);s=t.metalnessMap&&!0===t.metalnessMap.isTexture?e.mul(this.getTexture(r).b):e}else if(r===Vh.EMISSIVE){const e=this.getFloat("emissiveIntensity"),i=this.getColor(r).mul(e);s=t.emissiveMap&&!0===t.emissiveMap.isTexture?i.mul(this.getTexture(r)):i}else if(r===Vh.NORMAL)t.normalMap?(s=Lh(this.getTexture("normal"),this.getCache("normalScale","vec2")),s.normalMapType=t.normalMapType,t.normalMap.format!=$&&t.normalMap.format!=W&&t.normalMap.format!=H||(s.unpackNormalMode=k)):s=t.bumpMap?Oh(this.getTexture("bump").r,this.getFloat("bumpScale")):Bc;else if(r===Vh.CLEARCOAT){const e=this.getFloat(r);s=t.clearcoatMap&&!0===t.clearcoatMap.isTexture?e.mul(this.getTexture(r).r):e}else if(r===Vh.CLEARCOAT_ROUGHNESS){const e=this.getFloat(r);s=t.clearcoatRoughnessMap&&!0===t.clearcoatRoughnessMap.isTexture?e.mul(this.getTexture(r).r):e}else if(r===Vh.CLEARCOAT_NORMAL)s=t.clearcoatNormalMap?Lh(this.getTexture(r),this.getCache(r+"Scale","vec2")):Bc;else if(r===Vh.SHEEN){const e=this.getColor("sheenColor").mul(this.getFloat("sheen"));s=t.sheenColorMap&&!0===t.sheenColorMap.isTexture?e.mul(this.getTexture("sheenColor").rgb):e}else if(r===Vh.SHEEN_ROUGHNESS){const e=this.getFloat(r);s=t.sheenRoughnessMap&&!0===t.sheenRoughnessMap.isTexture?e.mul(this.getTexture(r).a):e,s=s.clamp(1e-4,1)}else if(r===Vh.ANISOTROPY)if(t.anisotropyMap&&!0===t.anisotropyMap.isTexture){const e=this.getTexture(r);s=Dn(Np.x,Np.y,Np.y.negate(),Np.x).mul(e.rg.mul(2).sub(Sn(1)).normalize().mul(e.b))}else s=Np;else if(r===Vh.IRIDESCENCE_THICKNESS){const e=Jc("1","float",t.iridescenceThicknessRange);if(t.iridescenceThicknessMap){const i=Jc("0","float",t.iridescenceThicknessRange);s=e.sub(i).mul(this.getTexture(r).g).add(i)}else s=e}else if(r===Vh.TRANSMISSION){const e=this.getFloat(r);s=t.transmissionMap?e.mul(this.getTexture(r).r):e}else if(r===Vh.THICKNESS){const e=this.getFloat(r);s=t.thicknessMap?e.mul(this.getTexture(r).g):e}else if(r===Vh.IOR)s=this.getFloat(r);else if(r===Vh.LIGHT_MAP)s=t.lightMap?this.getTexture(r).rgb.mul(this.getFloat("lightMapIntensity")):An(0);else if(r===Vh.AO)s=t.aoMap?this.getTexture(r).r.sub(1).mul(this.getFloat("aoMapIntensity")).add(1):Tn(1);else if(r===Vh.LINE_DASH_OFFSET)s=t.dashOffset?this.getFloat(r):Tn(0);else{const t=this.getNodeType(e);s=this.getCache(r,t)}return s}}Vh.ALPHA_TEST="alphaTest",Vh.COLOR="color",Vh.OPACITY="opacity",Vh.SHININESS="shininess",Vh.SPECULAR="specular",Vh.SPECULAR_STRENGTH="specularStrength",Vh.SPECULAR_INTENSITY="specularIntensity",Vh.SPECULAR_COLOR="specularColor",Vh.REFLECTIVITY="reflectivity",Vh.ROUGHNESS="roughness",Vh.METALNESS="metalness",Vh.NORMAL="normal",Vh.CLEARCOAT="clearcoat",Vh.CLEARCOAT_ROUGHNESS="clearcoatRoughness",Vh.CLEARCOAT_NORMAL="clearcoatNormal",Vh.EMISSIVE="emissive",Vh.ROTATION="rotation",Vh.SHEEN="sheen",Vh.SHEEN_ROUGHNESS="sheenRoughness",Vh.ANISOTROPY="anisotropy",Vh.IRIDESCENCE="iridescence",Vh.IRIDESCENCE_IOR="iridescenceIOR",Vh.IRIDESCENCE_THICKNESS="iridescenceThickness",Vh.IOR="ior",Vh.TRANSMISSION="transmission",Vh.THICKNESS="thickness",Vh.ATTENUATION_DISTANCE="attenuationDistance",Vh.ATTENUATION_COLOR="attenuationColor",Vh.LINE_SCALE="scale",Vh.LINE_DASH_SIZE="dashSize",Vh.LINE_GAP_SIZE="gapSize",Vh.LINE_WIDTH="linewidth",Vh.LINE_DASH_OFFSET="dashOffset",Vh.POINT_SIZE="size",Vh.DISPERSION="dispersion",Vh.LIGHT_MAP="light",Vh.AO="ao";const kh=ln(Vh,Vh.ALPHA_TEST),Gh=ln(Vh,Vh.COLOR),zh=ln(Vh,Vh.SHININESS),$h=ln(Vh,Vh.EMISSIVE),Wh=ln(Vh,Vh.OPACITY),Hh=ln(Vh,Vh.SPECULAR),jh=ln(Vh,Vh.SPECULAR_INTENSITY),qh=ln(Vh,Vh.SPECULAR_COLOR),Xh=ln(Vh,Vh.SPECULAR_STRENGTH),Yh=ln(Vh,Vh.REFLECTIVITY),Qh=ln(Vh,Vh.ROUGHNESS),Kh=ln(Vh,Vh.METALNESS),Zh=ln(Vh,Vh.NORMAL),Jh=ln(Vh,Vh.CLEARCOAT),ep=ln(Vh,Vh.CLEARCOAT_ROUGHNESS),tp=ln(Vh,Vh.CLEARCOAT_NORMAL),rp=ln(Vh,Vh.ROTATION),sp=ln(Vh,Vh.SHEEN),ip=ln(Vh,Vh.SHEEN_ROUGHNESS),np=ln(Vh,Vh.ANISOTROPY),ap=ln(Vh,Vh.IRIDESCENCE),op=ln(Vh,Vh.IRIDESCENCE_IOR),up=ln(Vh,Vh.IRIDESCENCE_THICKNESS),lp=ln(Vh,Vh.TRANSMISSION),dp=ln(Vh,Vh.THICKNESS),cp=ln(Vh,Vh.IOR),hp=ln(Vh,Vh.ATTENUATION_DISTANCE),pp=ln(Vh,Vh.ATTENUATION_COLOR),gp=ln(Vh,Vh.LINE_SCALE),mp=ln(Vh,Vh.LINE_DASH_SIZE),fp=ln(Vh,Vh.LINE_GAP_SIZE),yp=ln(Vh,Vh.LINE_WIDTH),bp=ln(Vh,Vh.LINE_DASH_OFFSET),xp=ln(Vh,Vh.POINT_SIZE),Tp=ln(Vh,Vh.DISPERSION),_p=ln(Vh,Vh.LIGHT_MAP),vp=ln(Vh,Vh.AO),Np=Aa(new t).onReference(function(e){return e.material}).onRenderUpdate(function({material:e}){this.value.set(e.anisotropy*Math.cos(e.anisotropyRotation),e.anisotropy*Math.sin(e.anisotropyRotation))}),Sp=gn(e=>e.context.setupModelViewProjection(),"vec4").once()().toVarying("v_modelViewProjection");class Ep extends pi{static get type(){return"EventNode"}constructor(e,t){super("void"),this.eventType=e,this.callback=t,e===Ep.OBJECT?this.updateType=ii.OBJECT:e===Ep.MATERIAL?this.updateType=ii.RENDER:e===Ep.FRAME?this.updateType=ii.FRAME:e===Ep.BEFORE_OBJECT?this.updateBeforeType=ii.OBJECT:e===Ep.BEFORE_MATERIAL?this.updateBeforeType=ii.RENDER:e===Ep.BEFORE_FRAME&&(this.updateBeforeType=ii.FRAME)}update(e){this.callback(e)}updateBefore(e){this.callback(e)}}Ep.OBJECT="object",Ep.MATERIAL="material",Ep.FRAME="frame",Ep.BEFORE_OBJECT="beforeObject",Ep.BEFORE_MATERIAL="beforeMaterial",Ep.BEFORE_FRAME="beforeFrame";const Rp=(e,t)=>new Ep(e,t).toStack(),wp=e=>Rp(Ep.OBJECT,e),Ap=e=>Rp(Ep.FRAME,e);class Cp extends gi{static get type(){return"StorageArrayElementNode"}constructor(e,t){super(e,t),this.isStorageArrayElementNode=!0}set storageBufferNode(e){this.node=e}get storageBufferNode(){return this.node}getMemberType(e,t){const r=this.storageBufferNode.structTypeNode;return r?r.getMemberType(e,t):"void"}setup(e){return!1===e.isAvailable("storageBuffer")&&!0===this.node.isPBO&&e.setupPBO(this.node),super.setup(e)}generate(e,t){let r;const s=e.isContextAssign();if(r=!1===e.isAvailable("storageBuffer")?!0!==this.node.isPBO||!0===s||!this.node.value.isInstancedBufferAttribute&&"compute"===e.shaderStage?this.node.build(e):e.generatePBO(this):super.generate(e),!0!==s){const s=this.getNodeType(e);r=e.format(r,s,t)}return r}}const Mp=un(Cp).setParameterLength(2);class Bp extends id{static get type(){return"StorageBufferNode"}constructor(e,t=null,r=0){let s,i=null;t&&t.isStructTypeNode?(s="struct",i=t,(e.isStorageBufferAttribute||e.isStorageInstancedBufferAttribute)&&(r=e.count)):null===t&&(e.isStorageBufferAttribute||e.isStorageInstancedBufferAttribute)?(s=js(e.itemSize),r=e.count):s=t,super(e,s,r),this.isStorageBufferNode=!0,this.structTypeNode=i,this.access=ai.READ_WRITE,this.isAtomic=!1,this.isPBO=!1,this._attribute=null,this._varying=null,this.global=!0,!0!==e.isStorageBufferAttribute&&!0!==e.isStorageInstancedBufferAttribute&&(e.isInstancedBufferAttribute?e.isStorageInstancedBufferAttribute=!0:e.isStorageBufferAttribute=!0)}getHash(e){let t;if(0===this.bufferCount){let r=e.globalCache.getData(this.value);void 0===r&&(r={node:this},e.globalCache.setData(this.value,r)),t=r.node.id}else t=this.id;return String(t)}getInputType(){return this.value.isIndirectStorageBufferAttribute?"indirectStorageBuffer":"storageBuffer"}element(e){return Mp(this,e)}setPBO(e){return this.isPBO=e,this}getPBO(){return this.isPBO}setAccess(e){return this.access=e,this}toReadOnly(){return this.setAccess(ai.READ_ONLY)}setAtomic(e){return this.isAtomic=e,this}toAtomic(){return this.setAtomic(!0)}getAttributeData(){return null===this._attribute&&(this._attribute=pl(this.value),this._varying=Xu(this._attribute)),{attribute:this._attribute,varying:this._varying}}generateNodeType(e){if(null!==this.structTypeNode)return this.structTypeNode.getNodeType(e);if(e.isAvailable("storageBuffer")||e.isAvailable("indirectStorageBuffer"))return super.generateNodeType(e);const{attribute:t}=this.getAttributeData();return t.getNodeType(e)}getMemberType(e,t){return null!==this.structTypeNode?this.structTypeNode.getMemberType(e,t):"void"}generate(e){if(null!==this.structTypeNode&&this.structTypeNode.build(e),e.isAvailable("storageBuffer")||e.isAvailable("indirectStorageBuffer"))return super.generate(e);const{attribute:t,varying:r}=this.getAttributeData(),s=r.build(e);return e.registerTransform(s,t),s}}const Fp=(e,t=null,r=0)=>new Bp(e,t,r),Lp=new WeakMap,Pp=new WeakMap,Up=new WeakMap;function Dp(e,t,r){let s;if(!0===t.isStorageInstancedBufferAttribute)s=Fp(t,"mat4",Math.max(r,1)).element(bl);else{if(16*r*4<=e.getUniformBufferLimit())s=nd(t.array,"mat4",Math.max(r,1)).element(bl);else{let e=Lp.get(t);e||(e=new q(t.array,16,1),Lp.set(t,e));const r=t.usage===x?ml:gl,i=[r(e,"vec4",16,0),r(e,"vec4",16,4),r(e,"vec4",16,8),r(e,"vec4",16,12)];s=In(...i)}}return s}const Op=$n("vec3","vInstanceColor"),Ip=gn(([e,t,r=null],s)=>{e=e.value;const i=!0===t.isStorageInstancedBufferAttribute,n=r&&!0===r.isStorageInstancedBufferAttribute,a=Dp(s,t,e);let o=null;if(!i){16*e*4>s.getUniformBufferLimit()&&(o=Lp.get(t))}let u=null,l=null;if(r)if(n)u=Fp(r,"vec3",Math.max(r.count,1)).element(bl);else{let e=Pp.get(r);e||(e=new j(r.array,3),Pp.set(r,e)),l=e;const t=r.usage===x?ml:gl;u=An(t(e,"vec3",3,0))}null===o&&null===l||Ap(()=>{null!==o&&(o.clearUpdateRanges(),o.updateRanges.push(...t.updateRanges),t.version!==o.version&&(o.version=t.version)),r&&null!==l&&(l.clearUpdateRanges(),l.updateRanges.push(...r.updateRanges),r.version!==l.version&&(l.version=r.version))});const d=a.mul(fc).xyz;if(fc.assign(d),s.needsPreviousData()){const r=s.object;wp(({object:e})=>{Up.get(e).previousInstanceMatrix.array.set(t.array)});const i=function(e,t,r,s){let i=Up.get(e);if(void 0===i){const n=t.clone();i={previousInstanceMatrix:n,node:Dp(r,n,s)},Up.set(e,i)}return i.node}(r,t,s,e);yc.assign(i.mul(yc).xyz)}if(s.hasGeometryAttribute("normal")){const e=Pc(wc,a);wc.assign(e)}null!==u&&Op.assign(u)},"void"),Vp=gn(([e])=>{const{count:t,instanceMatrix:r,instanceColor:s}=e;Ip(t,r,s)},"void"),kp=gn(([e,t])=>{const r=_n(Yl(sd(e),0).x).toConst(),s=_n(t),i=s.mod(r).toConst(),n=s.div(r).toConst();return sd(e,En(i,n))}),Gp=gn(([e,t])=>{const r=_n(Yl(sd(e),0).x).toConst(),s=_n(t).mod(r).toConst(),i=_n(t).div(r).toConst();return sd(e,En(s,i)).x}),zp=$n("vec4","vBatchColor"),$p=gn(([e],t)=>{const r=null===t.getDrawIndex()?bl:vl,s=Gp(e._indirectTexture,_n(r)),i=e._matricesTexture,n=_n(Yl(sd(i),0).x).toConst(),a=Tn(s).mul(4).toInt().toConst(),o=a.mod(n).toConst(),u=a.div(n).toConst(),l=In(sd(i,En(o,u)),sd(i,En(o.add(1),u)),sd(i,En(o.add(2),u)),sd(i,En(o.add(3),u))),d=e._colorsTexture;if(null!==d){const e=kp(d,s);zp.assign(e)}const c=On(l);fc.assign(l.mul(fc));const h=wc.div(An(c[0].dot(c[0]),c[1].dot(c[1]),c[2].dot(c[2]))),p=c.mul(h).xyz;wc.assign(p),t.hasGeometryAttribute("tangent")&&bh.mulAssign(c)},"void"),Wp=new WeakMap,Hp=new WeakMap;function jp(e,t,r,s,i,n){const a=e.element(i.x),o=e.element(i.y),u=e.element(i.z),l=e.element(i.w),d=r.mul(t),c=Oa(a.mul(n.x).mul(d),o.mul(n.y).mul(d),u.mul(n.z).mul(d),l.mul(n.w).mul(d));return s.mul(c).xyz}function qp(e,t,r,s,i,n,a){const o=e.element(n.x),u=e.element(n.y),l=e.element(n.z),d=e.element(n.w);let c=Oa(a.x.mul(o),a.y.mul(u),a.z.mul(l),a.w.mul(d));c=i.mul(c).mul(s);return{skinNormal:c.transformDirection(t).xyz,skinTangent:c.transformDirection(r).xyz}}function Xp(e,t,r,s,i){const n=e.skeleton;let a=Hp.get(n);if(void 0===a){n.update();const e=new Float32Array(n.boneMatrices);a={previousBoneMatrices:e,node:nd(e,"mat4",n.bones.length)},Hp.set(n,a)}return jp(a.node,yc,t,r,s,i)}const Yp=gn(([e],t)=>{const r=jl("skinIndex","uvec4"),s=jl("skinWeight","vec4"),i=Jc("bindMatrix","mat4"),n=Jc("bindMatrixInverse","mat4"),a=eh("skeleton.boneMatrices","mat4",e.skeleton.bones.length);if(wp(({object:e,frameId:t})=>{const r=e.skeleton;if(Wp.get(r)!==t){Wp.set(r,t);const e=Hp.get(r);void 0!==e&&e.previousBoneMatrices.set(r.boneMatrices),r.update()}}),t.needsPreviousData()){const t=Xp(e,i,n,r,s);yc.assign(t)}const o=jp(a,fc,i,n,r,s);if(fc.assign(o),t.hasGeometryAttribute("normal")){const{skinNormal:e,skinTangent:o}=qp(a,wc,bh,i,n,r,s);wc.assign(e),t.hasGeometryAttribute("tangent")&&bh.assign(o)}},"void"),Qp=gn(([e,t=null],r)=>{const s=Fp(new j(e.geometry.getAttribute("position").array,3),"vec3").setPBO(!0).toReadOnly().element(bl).toVar(),i=Fp(new j(new Uint32Array(e.geometry.getAttribute("skinIndex").array),4),"uvec4").setPBO(!0).toReadOnly().element(bl).toVar(),n=Fp(new j(e.geometry.getAttribute("skinWeight").array,4),"vec4").setPBO(!0).toReadOnly().element(bl).toVar(),a=Aa(e.bindMatrix,"mat4"),o=Aa(e.bindMatrixInverse,"mat4"),u=nd(e.skeleton.boneMatrices,"mat4",e.skeleton.bones.length),l=e.skeleton;if(wp(({frameId:e})=>{if(Wp.get(l)!==e){Wp.set(l,e);const t=Hp.get(l);void 0!==t&&t.previousBoneMatrices.set(l.boneMatrices),l.update()}}),r.needsPreviousData()){const t=Xp(e,a,o,i,n);yc.assign(t)}const d=jp(u,s,a,o,i,n);if(null!==t&&t.assign(d),r.hasGeometryAttribute("normal")){const{skinNormal:e,skinTangent:t}=qp(u,wc,bh,a,o,i,n);wc.assign(e),r.hasGeometryAttribute("tangent")&&bh.assign(t)}return d});class Kp extends pi{static get type(){return"LoopNode"}constructor(e=[]){super("void"),this.params=e}getVarName(e){return String.fromCharCode("i".charCodeAt(0)+e)}getProperties(e){const t=e.getNodeProperties(this);if(void 0!==t.stackNode)return t;const r={};for(let e=0,t=this.params.length-1;eNumber(l)?">=":"<")),a)n=`while ( ${l} )`;else{const r={start:u,end:l},s=r.start,i=r.end;let a;const g=()=>h.includes("<")?"+=":"-=";if(null!=p)switch(typeof p){case"function":a=e.flowStagesNode(t.updateNode,"void").code.replace(/\t|;/g,"");break;case"number":a=d+" "+g()+" "+e.generateConst(c,p);break;case"string":a=d+" "+p;break;default:p.isNode?a=d+" "+g()+" "+p.build(e):(o("TSL: 'Loop( { update: ... } )' is not a function, string or number.",this.stackTrace),a="break /* invalid update */")}else p="int"===c||"uint"===c?h.includes("<")?"++":"--":g()+" 1.",a=d+" "+p;n=`for ( ${e.getVar(c,d)+" = "+s}; ${d+" "+h+" "+i}; ${a} )`}e.addFlowCode((0===s?"\n":"")+e.tab+n+" {\n\n").addFlowTab()}const i=s.build(e,"void");t.returnsNode.build(e,"void"),e.removeFlowTab().addFlowCode("\n"+e.tab+i);for(let t=0,r=this.params.length-1;tnew Kp(on(e,"int")).toStack(),Jp=()=>Pl("break").toStack(),eg=new WeakMap,tg=new s,rg=new WeakMap,sg=gn(({bufferMap:e,influence:t,stride:r,width:s,depth:i,offset:n})=>{const a=_n(yl).mul(r).add(n),o=a.div(s),u=a.sub(o.mul(s));return sd(e,En(u,o)).depth(i).xyz.mul(t)});const ig=gn(([e])=>{const{geometry:r}=e,s=void 0!==r.morphAttributes.position,i=r.hasAttribute("normal")&&void 0!==r.morphAttributes.normal,n=r.morphAttributes.position||r.morphAttributes.normal||r.morphAttributes.color,a=void 0!==n?n.length:0;if(0===a)return;let o=rg.get(e);void 0!==o&&o.count===a||(o={base:Aa(1),influences:e.morphTargetInfluences?ud(e.morphTargetInfluences,"float"):null,count:a},rg.set(e,o));const{base:u,influences:l}=o,{texture:d,stride:c,size:h}=function(e){const r=void 0!==e.morphAttributes.position,s=void 0!==e.morphAttributes.normal,i=void 0!==e.morphAttributes.color,n=e.morphAttributes.position||e.morphAttributes.normal||e.morphAttributes.color,a=void 0!==n?n.length:0;let o=eg.get(e);if(void 0===o||o.count!==a){void 0!==o&&o.texture.dispose();const u=e.morphAttributes.position||[],l=e.morphAttributes.normal||[],d=e.morphAttributes.color||[];let c=0;!0===r&&(c=1),!0===s&&(c=2),!0===i&&(c=3);let h=e.attributes.position.count*c,p=1;const g=4096;h>g&&(p=Math.ceil(h/g),h=g);const m=new Float32Array(h*p*4*a),f=new X(m,h,p,a);f.type=Y,f.needsUpdate=!0;const y=4*c;for(let x=0;x{const r=Tn(0).toVar();e.count>1&&null!==e.morphTexture&&void 0!==e.morphTexture?r.assign(sd(e.morphTexture,En(_n(t).add(1),_n(bl))).r):r.assign(l.element(t).toVar()),yn(r.notEqual(0),()=>{!0===s&&fc.addAssign(sg({bufferMap:d,influence:r,stride:c,width:p,depth:t,offset:_n(0)})),!0===i&&wc.addAssign(sg({bufferMap:d,influence:r,stride:c,width:p,depth:t,offset:_n(1)}))})}),wp(({object:e})=>{const{base:t,influences:r}=o;e.geometry.morphTargetsRelative?t.value=1:t.value=1-e.morphTargetInfluences.reduce((e,t)=>e+t,0),r&&(r.array=e.morphTargetInfluences,r.update())})},"void");class ng extends pi{static get type(){return"LightingNode"}constructor(){super("vec3"),this.isLightingNode=!0}}class ag extends ng{static get type(){return"AONode"}constructor(e=null){super(),this.aoNode=e}setup(e){e.context.ambientOcclusion.mulAssign(this.aoNode)}}class og extends Lu{static get type(){return"LightingContextNode"}constructor(e,t=null,r=[],s=null,i=null){super(e),this.lightingModel=t,this.materialLightings=r,this.backdropNode=s,this.backdropAlphaNode=i,this._value=null}getContext(){const{materialLightings:e,backdropNode:t,backdropAlphaNode:r}=this,s={directDiffuse:An().toVar("directDiffuse"),directSpecular:An().toVar("directSpecular"),indirectDiffuse:An().toVar("indirectDiffuse"),indirectSpecular:An().toVar("indirectSpecular")};return{radiance:An().toVar("radiance"),irradiance:An().toVar("irradiance"),iblIrradiance:An().toVar("iblIrradiance"),ambientOcclusion:Tn(1).toVar("ambientOcclusion"),reflectedLight:s,materialLightings:e,backdrop:t,backdropAlpha:r}}setup(e){return this.value=this._value||(this._value=this.getContext()),this.value.lightingModel=this.lightingModel||e.context.lightingModel,super.setup(e)}}const ug=un(og);class lg extends ng{static get type(){return"IrradianceNode"}constructor(e){super(),this.node=e}setup(e){e.context.irradiance.addAssign(this.node)}}const dg=new t;class cg extends ed{static get type(){return"ViewportTextureNode"}constructor(e=md,t=null,r=null){let s=null;null===r?(s=new Q,s.minFilter=K,r=s):s=r,super(r,e,t),this.generateMipmaps=!1,this.defaultFramebuffer=s,this.isOutputTextureNode=!0,this.updateBeforeType=ii.RENDER,this._cacheTextures=new WeakMap}getTextureForReference(e=null){let t,r;if(this.referenceNode?(t=this.referenceNode.defaultFramebuffer,r=this.referenceNode._cacheTextures):(t=this.defaultFramebuffer,r=this._cacheTextures),null===e)return t;if(!1===r.has(e)){const s=t.clone();r.set(e,s)}return r.get(e)}updateReference(e){const t=e.renderer,r=t.getRenderTarget(),s=t.getCanvasTarget(),i=r||s;return this.value=this.getTextureForReference(i),this.value}updateBefore(e){const t=e.renderer,r=t.getRenderTarget(),s=t.getCanvasTarget(),i=r||s;null===i?t.getDrawingBufferSize(dg):i.getDrawingBufferSize?i.getDrawingBufferSize(dg):dg.set(i.width,i.height);const n=this.getTextureForReference(i);n.image.width===dg.width&&n.image.height===dg.height||(n.image.width=dg.width,n.image.height=dg.height,n.needsUpdate=!0);const a=n.generateMipmaps;n.generateMipmaps=this.generateMipmaps,t.copyFramebufferToTexture(n),n.generateMipmaps=a}clone(){const e=new this.constructor(this.uvNode,this.levelNode,this.value);return e.generateMipmaps=this.generateMipmaps,e}}const hg=un(cg).setParameterLength(0,3),pg=un(cg,null,null,{generateMipmaps:!0}).setParameterLength(0,3),gg=pg(),mg=(e=md,t=null)=>gg.sample(e,t);let fg=null;class yg extends cg{static get type(){return"ViewportDepthTextureNode"}constructor(e=md,t=null,r=null){null===r&&(null===fg&&(fg=new Z),r=fg),super(e,t,r)}}const bg=un(yg).setParameterLength(0,3);class xg extends pi{static get type(){return"ViewportDepthNode"}constructor(e,t=null){super("float"),this.scope=e,this.valueNode=t,this.isViewportDepthNode=!0}generate(e){const{scope:t}=this;return t===xg.DEPTH_BASE?e.getFragDepth():super.generate(e)}setup({camera:e}){const{scope:t}=this,r=this.valueNode;let s=null;if(t===xg.DEPTH_BASE)null!==r&&(s=Rg().assign(r));else if(t===xg.DEPTH)s=e.isPerspectiveCamera?vg(Tc.z,Id,Vd):Tg(Tc.z,Id,Vd);else if(t===xg.LINEAR_DEPTH)if(null!==r)if(e.isPerspectiveCamera){const e=Sg(r,Id,Vd);s=Tg(e,Id,Vd)}else s=r;else s=Tg(Tc.z,Id,Vd);return s}}xg.DEPTH_BASE="depthBase",xg.DEPTH="depth",xg.LINEAR_DEPTH="linearDepth";const Tg=(e,t,r)=>e.add(t).div(t.sub(r)),_g=gn(([e,t,r],s)=>!0===s.renderer.reversedDepthBuffer?r.sub(t).mul(e).sub(r):t.sub(r).mul(e).sub(t)),vg=(e,t,r)=>t.add(e).mul(r).div(r.sub(t).mul(e)),Ng=(e,t,r)=>t.mul(e.add(r)).div(e.mul(t.sub(r))),Sg=gn(([e,t,r],s)=>!0===s.renderer.reversedDepthBuffer?t.mul(r).div(t.sub(r).mul(e).sub(t)):t.mul(r).div(r.sub(t).mul(e).sub(r))),Eg=(e,t,r)=>{t=t.max(1e-6).toVar();const s=No(e.negate().div(t)),i=No(r.div(t));return s.div(i)},Rg=un(xg,xg.DEPTH_BASE),wg=ln(xg,xg.DEPTH),Ag=un(xg,xg.LINEAR_DEPTH).setParameterLength(0,1),Cg=Ag(bg());wg.assign=e=>Rg(e);class Mg extends pi{static get type(){return"ClippingNode"}constructor(e=Mg.DEFAULT){super(),this.scope=e}setup(e){super.setup(e);const t=e.clippingContext,{intersectionPlanes:r,unionPlanes:s}=t;return this.hardwareClipping=e.hardwareClipping,this.scope===Mg.ALPHA_TO_COVERAGE?this.setupAlphaToCoverage(r,s):this.scope===Mg.HARDWARE?this.setupHardwareClipping(s,e):this.setupDefault(r,s)}setupAlphaToCoverage(e,t){return gn(()=>{const r=Tn().toVar("distanceToPlane"),s=Tn().toVar("distanceToGradient"),i=Tn(1).toVar("clipOpacity"),n=t.length;if(!1===this.hardwareClipping&&n>0){const e=ud(t).setGroup(Ea);Zp(n,({i:t})=>{const n=e.element(t);r.assign(Tc.dot(n.xyz).negate().add(n.w)),s.assign(r.fwidth().div(2)),i.mulAssign(Nu(s.negate(),s,r))})}const a=e.length;if(a>0){const t=ud(e).setGroup(Ea),n=Tn(1).toVar("intersectionClipOpacity");Zp(a,({i:e})=>{const i=t.element(e);r.assign(Tc.dot(i.xyz).negate().add(i.w)),s.assign(r.fwidth().div(2)),n.mulAssign(Nu(s.negate(),s,r).oneMinus())}),i.mulAssign(n.oneMinus())}Wn.a.mulAssign(i),Wn.a.equal(0).discard()})()}setupDefault(e,t){return gn(()=>{const r=t.length;if(!1===this.hardwareClipping&&r>0){const e=ud(t).setGroup(Ea);Zp(r,({i:t})=>{const r=e.element(t);Tc.dot(r.xyz).greaterThan(r.w).discard()})}const s=e.length;if(s>0){const t=ud(e).setGroup(Ea),r=Nn(!0).toVar("clipped");Zp(s,({i:e})=>{const s=t.element(e);r.assign(Tc.dot(s.xyz).greaterThan(s.w).and(r))}),r.discard()}})()}setupHardwareClipping(e,t){const r=e.length;return t.enableHardwareClipping(r),gn(()=>{const s=ud(e).setGroup(Ea),i=dd(t.getClipDistance());Zp(r,({i:e})=>{const t=s.element(e),r=Tc.dot(t.xyz).sub(t.w).negate();i.element(e).assign(r)})})()}}Mg.ALPHA_TO_COVERAGE="alphaToCoverage",Mg.DEFAULT="default",Mg.HARDWARE="hardware";const Bg=gn(([e])=>Co(Va(1e4,Mo(Va(17,e.x).add(Va(.1,e.y)))).mul(Oa(.1,zo(Mo(Va(13,e.y).add(e.x))))))),Fg=gn(([e])=>Bg(Sn(Bg(e.xy),e.z))),Lg=gn(([e])=>{const t=su(Wo(qo(e.xyz)),Wo(Xo(e.xyz))),r=Tn(1).div(Tn(.05).mul(t)).toVar("pixScale"),s=Sn(_o(Ro(No(r))),_o(wo(No(r)))),i=Sn(Fg(Ro(s.x.mul(e.xyz))),Fg(Ro(s.y.mul(e.xyz)))),n=Co(No(r)),a=Oa(Va(n.oneMinus(),i.x),Va(n,i.y)),o=ru(n,n.oneMinus()),u=An(a.mul(a).div(Va(2,o).mul(Ia(1,o))),a.sub(Va(.5,o)).div(Ia(1,o)),Ia(1,Ia(1,a).mul(Ia(1,a)).div(Va(2,o).mul(Ia(1,o))))),l=a.lessThan(o.oneMinus()).select(a.lessThan(o).select(u.x,u.y),u.z);return Tu(l,1e-6,1)}).setLayout({name:"getAlphaHashThreshold",type:"float",inputs:[{name:"position",type:"vec3"}]});class Pg extends Hl{static get type(){return"VertexColorNode"}constructor(e){super(null,"vec4"),this.isVertexColorNode=!0,this.index=e}getAttributeName(){const e=this.index;return"color"+(e>0?e:"")}generate(e){const t=this.getAttributeName(e);let r;return r=!0===e.hasGeometryAttribute(t)?super.generate(e):e.generateConst(this.nodeType,new s(1,1,1,1)),r}serialize(e){super.serialize(e),e.index=this.index}deserialize(e){super.deserialize(e),this.index=e.index}}const Ug=(e=0)=>new Pg(e);class Dg extends J{static get type(){return"NodeMaterial"}get type(){return this.constructor.type}set type(e){}constructor(){super(),this.isNodeMaterial=!0,this.fog=!0,this.lights=!1,this.lightsNode=null,this.envNode=null,this.aoNode=null,this.colorNode=null,this.normalNode=null,this.opacityNode=null,this.backdropNode=null,this.backdropAlphaNode=null,this.alphaTestNode=null,this.maskNode=null,this.maskShadowNode=null,this.positionNode=null,this.geometryNode=null,this.depthNode=null,this.receivedShadowPositionNode=null,this.castShadowPositionNode=null,this.receivedShadowNode=null,this.castShadowNode=null,this.outputNode=null,this.mrtNode=null,this.fragmentNode=null,this.vertexNode=null,this.contextNode=null}_getNodeChildren(){const e=[];for(const t of Object.getOwnPropertyNames(this)){if(!0===t.startsWith("_"))continue;const r=this[t];r&&!0===r.isNode&&e.push({property:t,childNode:r})}return e}customProgramCacheKey(){const e=[];for(const{property:t,childNode:r}of this._getNodeChildren())e.push(Gs(t.slice(0,-4)),r.getCacheKey());return this.type+zs(e)}build(e){this.setup(e)}setupObserver(e){return new Os(e)}setup(e){e.context.setupNormal=()=>ju(this.setupNormal(e),"NORMAL","vec3"),e.context.setupPositionView=()=>this.setupPositionView(e),e.context.setupModelViewProjection=()=>this.setupModelViewProjection(e);const t=e.renderer,r=t.getRenderTarget();e.addStack();const s=this.setupVertex(e),i=ju(this.vertexNode||s,"VERTEX");let n;e.context.clipSpace=i,e.stack.outputNode=i,this.setupHardwareClipping(e),null!==this.geometryNode&&(e.stack.outputNode=e.stack.outputNode.bypass(this.geometryNode)),e.addFlow("vertex",e.removeStack()),e.addStack();const a=this.setupClipping(e);if(!0!==this.depthWrite&&!0!==this.depthTest||(null!==r?!0===r.depthBuffer&&this.setupDepth(e):!0===t.depth&&this.setupDepth(e)),null===this.fragmentNode){this.setupDiffuseColor(e),this.setupAmbientOcclusion(e),this.setupVariants(e);const s=this.setupLighting(e);null!==a&&e.stack.addToStack(a);const i=Fn(s,Wn.a).max(0);n=this.setupOutput(e,i),da.assign(n);const o=null!==this.outputNode;if(o&&(n=this.outputNode),e.context.getOutput&&(n=e.context.getOutput(n,e)),null!==r){const e=t.getMRT(),r=this.mrtNode;null!==e?(o&&da.assign(n),n=e,null!==r&&(n=e.merge(r))):null!==r&&(n=r)}}else{let t=this.fragmentNode;!0!==t.isOutputStructNode&&(t=t.convert(e.getOutputType())),n=this.setupOutput(e,t)}e.stack.outputNode=n,e.addFlow("fragment",e.removeStack()),e.observer=this.setupObserver(e)}setupClipping(e){if(null===e.clippingContext)return null;const{unionPlanes:t,intersectionPlanes:r}=e.clippingContext;let s=null;if(t.length>0||r.length>0){const t=e.renderer.currentSamples;this.alphaToCoverage&&t>1?s=new Mg(Mg.ALPHA_TO_COVERAGE):e.stack.addToStack(new Mg)}return s}setupHardwareClipping(e){if(e.hardwareClipping=!1,null===e.clippingContext)return;const t=e.clippingContext.unionPlanes.length;t>0&&t<=8&&e.isAvailable("clipDistance")&&(e.stack.addToStack(new Mg(Mg.HARDWARE)),e.hardwareClipping=!0)}setupDepth(e){const{renderer:t,camera:r}=e;let s=this.depthNode;if(null===s){const e=t.getMRT();e&&e.has("depth")?s=e.get("depth"):!0===t.logarithmicDepthBuffer&&(s=r.isPerspectiveCamera?Eg(Tc.z,Id,Vd):Tg(Tc.z,Id,Vd))}null!==s&&wg.assign(s).toStack()}setupPositionView(){return dc.mul(fc).xyz}setupModelViewProjection(){return kd.mul(Tc)}setupVertex(e){return e.addStack(),this.setupPosition(e),e.context.position=e.removeStack(),Sp}setupPosition(e){const{object:t,geometry:r}=e;if((r.morphAttributes.position||r.morphAttributes.normal||r.morphAttributes.color)&&ig(t),!0===t.isSkinnedMesh&&Yp(t),this.displacementMap){const e=rh("displacementMap","texture"),t=rh("displacementScale","float"),r=rh("displacementBias","float");fc.addAssign(wc.normalize().mul(e.x.mul(t).add(r)))}return t.isBatchedMesh&&$p(t),t.isInstancedMesh&&t.instanceMatrix&&!0===t.instanceMatrix.isInstancedBufferAttribute&&Vp(t),null!==this.positionNode&&fc.assign(ju(this.positionNode,"POSITION","vec3")),fc}setupDiffuseColor(e){const{object:t,geometry:r}=e;null!==this.maskNode&&Nn(this.maskNode).not().discard();let s=this.colorNode?Fn(this.colorNode):Gh;!0===this.vertexColors&&r.hasAttribute("color")&&(s=s.mul(Ug())),t.instanceColor&&(s=Op.mul(s)),t.isBatchedMesh&&t._colorsTexture&&(s=zp.mul(s)),Wn.assign(s);const i=this.opacityNode?Tn(this.opacityNode):Wh;Wn.a.assign(Wn.a.mul(i));let n=null;(null!==this.alphaTestNode||this.alphaTest>0)&&(n=null!==this.alphaTestNode?Tn(this.alphaTestNode):kh,!0===this.alphaToCoverage?(Wn.a=Nu(n,n.add(Zo(Wn.a)),Wn.a),Wn.a.lessThanEqual(0).discard()):Wn.a.lessThanEqual(n).discard()),!0===this.alphaHash&&Wn.a.lessThan(Lg(fc)).discard(),e.isOpaque()&&Wn.a.assign(1)}setupVariants(){}setupOutgoingLight(){return!0===this.lights?An(0):Wn.rgb}setupNormal(){return this.normalNode?An(this.normalNode):Zh}setupEnvironment(){let e=null;return this.envNode?e=this.envNode:this.envMap&&(e=this.envMap.isCubeTexture?rh("envMap","cubeTexture"):rh("envMap","texture")),e}setupLightMap(e){let t=null;return e.material.lightMap&&(t=new lg(_p)),t}setupMaterialLightings(e){const t=[];if(!1===e.renderer.lighting.enabled)return t;const r=this.setupEnvironment(e);r&&r.isLightingNode&&t.push(r);const s=this.setupLightMap(e);return s&&s.isLightingNode&&t.push(s),e.context.ambientOcclusion&&t.push(new ag(e.context.ambientOcclusion)),t}setupAmbientOcclusion(e){let t=this.aoNode;null===t&&e.material.aoMap&&(t=vp),e.context.getAO&&(t=e.context.getAO(t,e)),null!==t&&(Ta.assign(t),e.context.ambientOcclusion=Ta)}setupLightingModel(){}setupLighting(e){const{material:t}=e,{backdropNode:r,backdropAlphaNode:s,emissiveNode:i}=this,n=!0===this.lights||null!==this.lightsNode,a=!0===this.lights?this.setupMaterialLightings(e):[],o=n?this.lightsNode||e.lightsNode:null;let u=this.setupOutgoingLight(e);if(o&&(a.length>0||o.getScope().hasLights)){const t=this.setupLightingModel(e)||null;u=ug(o,t,a,r,s)}else null!==r&&(u=An(null!==s?xu(u,r,s):r));return(i&&!0===i.isNode||t.emissive&&!0===t.emissive.isColor)&&(jn.assign(An(i||$h)),u=u.add(jn)),u}setupFog(e,t){const r=e.fogNode;return r&&(da.assign(t),t=Fn(r.toVar())),t}setupPremultipliedAlpha(e,t){return Dl(t)}setupOutput(e,t){return!0===this.fog&&(t=this.setupFog(e,t)),!0===this.premultipliedAlpha&&(t=this.setupPremultipliedAlpha(e,t)),t}setDefaultValues(e){for(const t in e){const r=e[t];void 0===this[t]&&(this[t]=r,r&&r.clone&&(this[t]=r.clone()))}const t=Object.getOwnPropertyDescriptors(e.constructor.prototype);for(const e in t)void 0===Object.getOwnPropertyDescriptor(this.constructor.prototype,e)&&void 0!==t[e].get&&Object.defineProperty(this.constructor.prototype,e,t[e])}toJSON(e){const t=void 0===e||"string"==typeof e;t&&(e={textures:{},images:{},nodes:{}});const r=J.prototype.toJSON.call(this,e);r.inputNodes={};for(const{property:t,childNode:s}of this._getNodeChildren())r.inputNodes[t]=s.toJSON(e).uuid;function s(e){const t=[];for(const r in e){const s=e[r];delete s.metadata,t.push(s)}return t}if(t){const t=s(e.textures),i=s(e.images),n=s(e.nodes);t.length>0&&(r.textures=t),i.length>0&&(r.images=i),n.length>0&&(r.nodes=n)}return r}copy(e){const t=Object.getOwnPropertyDescriptors(this.constructor.prototype);for(const r in t)if(void 0!==t[r].set&&void 0!==e[r]){const t=e[r];this[r]&&void 0!==this[r].copy?this[r].copy(t):this[r]=t}for(const t in this)if(!/^(?:is[A-Z]|_)|^(?:id|uuid|version|type|userData|clippingPlanes)$/.test(t)&&void 0!==this[t]&&void 0!==e[t]){const r=e[t];this[t]&&void 0!==this[t].copy?this[t].copy(r):this[t]=r}return this.clippingPlanes=e.clippingPlanes?e.clippingPlanes.map(e=>e.clone()):null,this.userData=JSON.parse(JSON.stringify(e.userData)),this}}const Og=new ee;class Ig extends Dg{static get type(){return"LineBasicNodeMaterial"}constructor(e){super(),this.isLineBasicNodeMaterial=!0,this.setDefaultValues(Og),this.setValues(e)}}const Vg=new te;class kg extends Dg{static get type(){return"LineDashedNodeMaterial"}constructor(e){super(),this.isLineDashedNodeMaterial=!0,this.setDefaultValues(Vg),this.dashOffset=0,this.offsetNode=null,this.dashScaleNode=null,this.dashSizeNode=null,this.gapSizeNode=null,this.setValues(e)}setupVariants(){const e=this.offsetNode?Tn(this.offsetNode):bp,t=this.dashScaleNode?Tn(this.dashScaleNode):gp,r=this.dashSizeNode?Tn(this.dashSizeNode):mp,s=this.gapSizeNode?Tn(this.gapSizeNode):fp;ca.assign(r),ha.assign(s);const i=Xu(jl("lineDistance").mul(t));(e?i.add(e):i).mod(ca.add(ha)).greaterThan(ca).discard()}}const Gg=new te,zg=$n("vec3","worldStart"),$g=$n("vec3","worldEnd"),Wg=$n("float","lineDistance"),Hg=$n("vec4","worldPos"),jg=gn(({start:e,end:t})=>{const r=kd.element(2).element(2),s=kd.element(3).element(2);return r.greaterThan(0).select(s.negate().div(r.add(1)),s.mul(-.5).div(r)).sub(e.z).div(t.z.sub(e.z))},{start:"vec4",end:"vec4",return:"float"}),qg=gn(({p1:e,p2:t,p3:r,p4:s})=>{const i=e.sub(r),n=s.sub(r),a=t.sub(e),o=i.dot(n),u=n.dot(a),l=i.dot(a),d=n.dot(n),c=a.dot(a).mul(d).sub(u.mul(u)),h=o.mul(u).sub(l.mul(d)).div(c).clamp(),p=o.add(u.mul(h)).div(d).clamp();return Sn(h,p)},{p1:"vec3",p2:"vec3",p3:"vec3",p4:"vec3",return:"vec2"}),Xg=gn(({material:e})=>{const t=e._useDash,r=e._useWorldUnits,s=jl("instanceStart"),i=jl("instanceEnd"),n=Fn(dc.mul(Fn(s,1))).toVar("start"),a=Fn(dc.mul(Fn(i,1))).toVar("end");let o,u;t&&(o=Tn(jl("instanceDistanceStart")).toVar("distanceStart"),u=Tn(jl("instanceDistanceEnd")).toVar("distanceEnd")),r&&(zg.assign(n.xyz),$g.assign(a.xyz));const l=bd.z.div(bd.w),d=kd.element(2).element(3).equal(-1);if(yn(d,()=>{yn(n.z.lessThan(0).and(a.z.greaterThan(0)),()=>{const e=jg({start:n,end:a});a.assign(Fn(xu(n.xyz,a.xyz,e),a.w)),t&&u.assign(xu(o,u,e))}).ElseIf(a.z.lessThan(0).and(n.z.greaterThanEqual(0)),()=>{const e=jg({start:a,end:n});n.assign(Fn(xu(a.xyz,n.xyz,e),n.w)),t&&o.assign(xu(u,o,e))})}),t){const t=e.dashScaleNode?Tn(e.dashScaleNode):gp,r=e.offsetNode?Tn(e.offsetNode):bp;let s=mc.y.lessThan(.5).select(t.mul(o),t.mul(u));s=s.add(r),Wg.assign(s)}const c=kd.mul(n),h=kd.mul(a),p=c.xyz.div(c.w),g=h.xyz.div(h.w),m=g.xy.sub(p.xy).toVar();m.x.assign(m.x.mul(l)),m.assign(m.normalize());const f=Fn().toVar();if(r){const e=a.xyz.sub(n.xyz).normalize(),r=xu(n.xyz,a.xyz,.5).normalize(),s=e.cross(r).normalize(),i=e.cross(s);Hg.assign(mc.y.lessThan(.5).select(n,a));const o=yp.mul(.5);Hg.addAssign(Fn(mc.x.lessThan(0).select(s.mul(o),s.mul(o).negate()),0)),t||(Hg.addAssign(Fn(mc.y.lessThan(.5).select(e.mul(o).negate(),e.mul(o)),0)),Hg.addAssign(Fn(i.mul(o),0)),yn(mc.y.greaterThan(1).or(mc.y.lessThan(0)),()=>{Hg.subAssign(Fn(i.mul(2).mul(o),0))})),f.assign(kd.mul(Hg));const u=An().toVar();u.assign(mc.y.lessThan(.5).select(p,g)),f.z.assign(u.z.mul(f.w))}else{const e=Sn(m.y,m.x.negate()).toVar("offset");m.x.assign(m.x.div(l)),e.x.assign(e.x.div(l)),e.assign(mc.x.lessThan(0).select(e.negate(),e)),yn(mc.y.lessThan(0),()=>{e.assign(e.sub(m))}).ElseIf(mc.y.greaterThan(1),()=>{e.assign(e.add(m))}),e.assign(e.mul(yp)),e.assign(e.div(bd.w.div(gd))),f.assign(mc.y.lessThan(.5).select(c,h)),e.assign(e.mul(f.w)),f.assign(f.add(Fn(e,0,0)))}return f})(),Yg=gn(({material:e,renderer:t})=>{const r=e._useAlphaToCoverage,s=e._useDash,i=e._useWorldUnits,n=ql();if(s){const t=e.dashSizeNode?Tn(e.dashSizeNode):mp,r=e.gapSizeNode?Tn(e.gapSizeNode):fp;ca.assign(t),ha.assign(r),n.y.lessThan(-1).or(n.y.greaterThan(1)).discard(),Wg.mod(ca.add(ha)).greaterThan(ca).discard()}const a=Tn(1).toVar("alpha");if(i){const e=Hg.xyz.normalize().mul(1e5),i=$g.sub(zg),n=qg({p1:zg,p2:$g,p3:An(0,0,0),p4:e}),o=zg.add(i.mul(n.x)),u=e.mul(n.y),l=o.sub(u).length().div(yp);if(!s)if(r&&t.currentSamples>0){const e=l.fwidth();a.assign(Nu(e.negate().add(.5),e.add(.5),l).oneMinus())}else l.greaterThan(.5).discard()}else if(r&&t.currentSamples>0){const e=n.x,t=n.y.greaterThan(0).select(n.y.sub(1),n.y.add(1)),r=e.mul(e).add(t.mul(t)),s=Tn(r.fwidth()).toVar("dlen");yn(n.y.abs().greaterThan(1),()=>{a.assign(Nu(s.oneMinus(),s.add(1),r).oneMinus())})}else yn(n.y.abs().greaterThan(1),()=>{const e=n.x,t=n.y.greaterThan(0).select(n.y.sub(1),n.y.add(1));e.mul(e).add(t.mul(t)).greaterThan(1).discard()});return a})();class Qg extends Dg{static get type(){return"Line2NodeMaterial"}constructor(e={}){super(),this.isLine2NodeMaterial=!0,this.setDefaultValues(Gg),this.vertexColors=e.vertexColors,this.dashOffset=0,this.offsetNode=null,this.dashScaleNode=null,this.dashSizeNode=null,this.gapSizeNode=null,this.blending=re,this._useDash=e.dashed,this._useAlphaToCoverage=!0,this._useWorldUnits=!1,this.setValues(e)}setupDiffuseColor(e){if(super.setupDiffuseColor(e),Wn.a.mulAssign(Yg),!0===this.vertexColors&&e.geometry.hasAttribute("instanceColorStart")){const e=jl("instanceColorStart"),t=jl("instanceColorEnd"),r=mc.y.lessThan(.5).select(e,t);Wn.rgb.mulAssign(r)}this.transparent&&Wn.rgb.assign(Wn.rgb.mul(Wn.a).add(mg().rgb.mul(Wn.a.oneMinus())))}setupModelViewProjection(){return Xg}get lineColorNode(){return this.colorNode}set lineColorNode(e){v('Line2NodeMaterial: "lineColorNode" has been deprecated. Use "colorNode" instead.'),this.colorNode=e}get worldUnits(){return this._useWorldUnits}set worldUnits(e){this._useWorldUnits!==e&&(this._useWorldUnits=e,this.needsUpdate=!0)}get dashed(){return this._useDash}set dashed(e){this._useDash!==e&&(this._useDash=e,this.needsUpdate=!0)}get alphaToCoverage(){return this._useAlphaToCoverage}set alphaToCoverage(e){this._useAlphaToCoverage!==e&&(this._useAlphaToCoverage=e,this.needsUpdate=!0)}}const Kg=new se;class Zg extends Dg{static get type(){return"MeshNormalNodeMaterial"}constructor(e){super(),this.isMeshNormalNodeMaterial=!0,this.setDefaultValues(Kg),this.setValues(e)}setupDiffuseColor(){const e=this.opacityNode?Tn(this.opacityNode):Wh;Wn.assign(tl(Fn(Ch(Bc),e),ie))}}const Jg=gn(([e=xc])=>{const t=e.z.atan(e.x).mul(1/(2*Math.PI)).add(.5),r=e.y.clamp(-1,1).asin().mul(1/Math.PI).add(.5);return Sn(t,r)}),em=gn(([e=ql()])=>{const t=e.x.sub(.5).mul(2*Math.PI),r=e.y.sub(.5).mul(Math.PI),s=r.cos(),i=s.mul(t.cos()),n=r.sin(),a=s.mul(t.sin());return An(i,n,a)});class tm extends ne{constructor(e=1,t={}){super(e,e,t),this.isCubeRenderTarget=!0;const r={width:e,height:e,depth:1},s=[r,r,r,r,r,r];this.texture=new U(s),this._setTextureOptions(t),this.texture.isRenderTargetTexture=!0}fromEquirectangularTexture(e,t){const r=t.minFilter,s=t.generateMipmaps;t.generateMipmaps=!0,this.texture.type=t.type,this.texture.colorSpace=t.colorSpace,this.texture.generateMipmaps=t.generateMipmaps,this.texture.minFilter=t.minFilter,this.texture.magFilter=t.magFilter;const i=new ae(5,5,5),n=Jg(xc),a=new Dg;a.colorNode=rd(t,n,0),a.side=L,a.blending=re;const o=new oe(i,a),u=new ue;u.add(o),t.minFilter===K&&(t.minFilter=le);const l=new de(1,10,this),d=e.getMRT();return e.setMRT(null),l.update(e,u),e.setMRT(d),t.minFilter=r,t.generateMipmaps=s,o.geometry.dispose(),o.material.dispose(),this}clear(e,t=!0,r=!0,s=!0){const i=e.getRenderTarget();for(let i=0;i<6;i++)e.setRenderTarget(this,i),e.clear(t,r,s);e.setRenderTarget(i)}}const rm=new WeakMap;class sm extends fi{static get type(){return"CubeMapNode"}constructor(e){super("vec3"),this.envNode=e,this._cubeTexture=null,this._cubeTextureNode=Qc(null);const t=new U;t.isRenderTargetTexture=!0,this._defaultTexture=t,this.updateBeforeType=ii.RENDER}updateBefore(e){const{renderer:t,material:r}=e,s=this.envNode;if(s.isTextureNode||s.isMaterialReferenceNode){const e=s.isTextureNode?s.value:r[s.property];if(e&&e.isTexture){const r=e.mapping;if(r===ce||r===he){if(rm.has(e)){const t=rm.get(e);nm(t,e.mapping),this._cubeTexture=t}else{const r=e.image;if(function(e){return null!=e&&e.height>0}(r)){const s=new tm(r.height);s.fromEquirectangularTexture(t,e),nm(s.texture,e.mapping),this._cubeTexture=s.texture,rm.set(e,s.texture),e.addEventListener("dispose",im)}else this._cubeTexture=this._defaultTexture}this._cubeTextureNode.value=this._cubeTexture}else this._cubeTextureNode=this.envNode}}}setup(e){return this.updateBefore(e),this._cubeTextureNode}}function im(e){const t=e.target;t.removeEventListener("dispose",im);const r=rm.get(t);void 0!==r&&(rm.delete(t),r.dispose())}function nm(e,t){t===ce?e.mapping=D:t===he&&(e.mapping=O)}const am=un(sm).setParameterLength(1);class om extends ng{static get type(){return"BasicEnvironmentNode"}constructor(e=null){super(),this.envNode=e}setup(e){e.context.environment=am(this.envNode)}}class um extends ng{static get type(){return"BasicLightMapNode"}constructor(e=null){super(),this.lightMapNode=e}setup(e){const t=Tn(1/Math.PI);e.context.irradianceLightMap=this.lightMapNode.mul(t)}}class lm{start(e){e.lightsNode.setupLights(e,e.lightsNode.getLightNodes(e)),this.indirect(e)}finish(){}direct(){}directRectArea(){}indirect(){}ambientOcclusion(){}}class dm extends lm{constructor(){super()}indirect({context:e}){const t=e.ambientOcclusion,r=e.reflectedLight,s=e.irradianceLightMap;r.indirectDiffuse.assign(Fn(0)),s?r.indirectDiffuse.addAssign(s):r.indirectDiffuse.addAssign(Fn(1,1,1,0)),r.indirectDiffuse.mulAssign(t),r.indirectDiffuse.mulAssign(Wn.rgb)}finish(e){const{material:t,context:r}=e,s=r.outgoingLight,i=e.context.environment;if(i)switch(t.combine){case me:s.rgb.assign(xu(s.rgb,s.rgb.mul(i.rgb),Xh.mul(Yh)));break;case ge:s.rgb.assign(xu(s.rgb,i.rgb,Xh.mul(Yh)));break;case pe:s.rgb.addAssign(i.rgb.mul(Xh.mul(Yh)));break;default:d("BasicLightingModel: Unsupported .combine value:",t.combine)}}}const cm=new fe;class hm extends Dg{static get type(){return"MeshBasicNodeMaterial"}constructor(e){super(),this.isMeshBasicNodeMaterial=!0,this.lights=!0,this.setDefaultValues(cm),this.setValues(e)}setupNormal(){return Ec(Cc)}setupEnvironment(e){const t=super.setupEnvironment(e);return t?new om(t):null}setupLightMap(e){let t=null;return e.material.lightMap&&(t=new um(_p)),t}setupOutgoingLight(){return Wn.rgb}setupLightingModel(){return new dm}}const pm=gn(({f0:e,f90:t,dotVH:r})=>{const s=r.mul(-5.55473).sub(6.98316).mul(r).exp2();return e.mul(s.oneMinus()).add(t.mul(s))}),gm=gn(e=>e.diffuseColor.mul(1/Math.PI)),mm=gn(({dotNH:e})=>la.mul(Tn(.5)).add(1).mul(Tn(1/Math.PI)).mul(e.pow(la))),fm=gn(({lightDirection:e})=>{const t=e.add(_c).normalize(),r=Bc.dot(t).clamp(),s=_c.dot(t).clamp(),i=pm({f0:aa,f90:1,dotVH:s}),n=Tn(.25),a=mm({dotNH:r});return i.mul(n).mul(a)});class ym extends dm{constructor(e=!0){super(),this.specular=e}direct({lightDirection:e,lightColor:t,reflectedLight:r}){const s=Bc.dot(e).clamp().mul(t);r.directDiffuse.addAssign(s.mul(gm({diffuseColor:Wn.rgb}))),!0===this.specular&&r.directSpecular.addAssign(s.mul(fm({lightDirection:e})).mul(Xh))}indirect(e){const{ambientOcclusion:t,irradiance:r,reflectedLight:s}=e.context;s.indirectDiffuse.addAssign(r.mul(gm({diffuseColor:Wn}))),s.indirectDiffuse.mulAssign(t)}}const bm=new ye;class xm extends Dg{static get type(){return"MeshLambertNodeMaterial"}constructor(e){super(),this.isMeshLambertNodeMaterial=!0,this.lights=!0,this.setDefaultValues(bm),this.setValues(e)}setupEnvironment(e){const t=super.setupEnvironment(e);return t?new om(t):null}setupLightingModel(){return new ym(!1)}}const Tm=new be;class _m extends Dg{static get type(){return"MeshPhongNodeMaterial"}constructor(e){super(),this.isMeshPhongNodeMaterial=!0,this.lights=!0,this.shininessNode=null,this.specularNode=null,this.setDefaultValues(Tm),this.setValues(e)}setupEnvironment(e){const t=super.setupEnvironment(e);return t?new om(t):null}setupLightingModel(){return new ym}setupVariants(){const e=(this.shininessNode?Tn(this.shininessNode):zh).max(1e-4);la.assign(e);const t=this.specularNode||Hh;aa.assign(t)}}const vm=gn(e=>{if(!1===e.geometry.hasAttribute("normal"))return Tn(0);const t=Cc.dFdx().abs().max(Cc.dFdy().abs());return t.x.max(t.y).max(t.z)}),Nm=gn(e=>{const{roughness:t}=e,r=vm();let s=t.max(.0525);return s=s.add(r),s=s.min(1),s}),Sm=gn(({alpha:e,dotNL:t,dotNV:r})=>{const s=e.pow2(),i=t.mul(s.add(s.oneMinus().mul(r.pow2())).sqrt()),n=r.mul(s.add(s.oneMinus().mul(t.pow2())).sqrt());return ka(.5,i.add(n).max(lo))}).setLayout({name:"V_GGX_SmithCorrelated",type:"float",inputs:[{name:"alpha",type:"float"},{name:"dotNL",type:"float"},{name:"dotNV",type:"float"}]}),Em=gn(({alphaT:e,alphaB:t,dotTV:r,dotBV:s,dotTL:i,dotBL:n,dotNV:a,dotNL:o})=>{const u=o.mul(An(e.mul(r),t.mul(s),a).length()),l=a.mul(An(e.mul(i),t.mul(n),o).length());return ka(.5,u.add(l).max(lo))}).setLayout({name:"V_GGX_SmithCorrelated_Anisotropic",type:"float",inputs:[{name:"alphaT",type:"float",qualifier:"in"},{name:"alphaB",type:"float",qualifier:"in"},{name:"dotTV",type:"float",qualifier:"in"},{name:"dotBV",type:"float",qualifier:"in"},{name:"dotTL",type:"float",qualifier:"in"},{name:"dotBL",type:"float",qualifier:"in"},{name:"dotNV",type:"float",qualifier:"in"},{name:"dotNL",type:"float",qualifier:"in"}]}),Rm=gn(({alpha:e,dotNH:t})=>{const r=e.pow2(),s=t.pow2().mul(r.oneMinus()).oneMinus();return r.div(s.pow2()).mul(1/Math.PI)}).setLayout({name:"D_GGX",type:"float",inputs:[{name:"alpha",type:"float"},{name:"dotNH",type:"float"}]}),wm=Tn(1/Math.PI),Am=gn(({alphaT:e,alphaB:t,dotNH:r,dotTH:s,dotBH:i})=>{const n=e.mul(t),a=An(t.mul(s),e.mul(i),n.mul(r)),o=a.dot(a),u=n.div(o);return wm.mul(n.mul(u.pow2()))}).setLayout({name:"D_GGX_Anisotropic",type:"float",inputs:[{name:"alphaT",type:"float",qualifier:"in"},{name:"alphaB",type:"float",qualifier:"in"},{name:"dotNH",type:"float",qualifier:"in"},{name:"dotTH",type:"float",qualifier:"in"},{name:"dotBH",type:"float",qualifier:"in"}]}),Cm=gn(({lightDirection:e,f0:t,f90:r,roughness:s,f:i,normalView:n=Bc,USE_IRIDESCENCE:a,USE_ANISOTROPY:o})=>{const u=s.pow2(),l=e.add(_c).normalize(),d=n.dot(e).clamp(),c=n.dot(_c).clamp(),h=n.dot(l).clamp(),p=_c.dot(l).clamp();let g,m,f=pm({f0:t,f90:r,dotVH:p});if(en(a)&&(f=Jn.mix(f,i)),en(o)){const t=ia.dot(e),r=ia.dot(_c),s=ia.dot(l),i=na.dot(e),n=na.dot(_c),a=na.dot(l);g=Em({alphaT:ra,alphaB:u,dotTV:r,dotBV:n,dotTL:t,dotBL:i,dotNV:c,dotNL:d}),m=Am({alphaT:ra,alphaB:u,dotNH:h,dotTH:s,dotBH:a})}else g=Sm({alpha:u,dotNL:d,dotNV:c}),m=Rm({alpha:u,dotNH:h});return f.mul(g).mul(m)}),Mm=new 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Bm=null;const Fm=gn(({roughness:e,dotNV:t})=>{null===Bm&&(Bm=new xe(Mm,16,16,$,Te),Bm.name="DFG_LUT",Bm.minFilter=le,Bm.magFilter=le,Bm.wrapS=_e,Bm.wrapT=_e,Bm.generateMipmaps=!1,Bm.needsUpdate=!0);const r=Sn(e,t);return rd(Bm,r).rg}),Lm=gn(({lightDirection:e,f0:t,f90:r,roughness:s,f:i,USE_IRIDESCENCE:n,USE_ANISOTROPY:a})=>{const o=Cm({lightDirection:e,f0:t,f90:r,roughness:s,f:i,USE_IRIDESCENCE:n,USE_ANISOTROPY:a}),u=Bc.dot(e).clamp(),l=Bc.dot(_c).clamp(),d=Fm({roughness:s,dotNV:l}),c=Fm({roughness:s,dotNV:u}),h=t.mul(d.x).add(r.mul(d.y)),p=t.mul(c.x).add(r.mul(c.y)),g=d.x.add(d.y),m=c.x.add(c.y),f=Tn(1).sub(g),y=Tn(1).sub(m),b=t.add(t.oneMinus().mul(.047619)),x=h.mul(p).mul(b).div(Tn(1).sub(f.mul(y).mul(b).mul(b)).add(lo)),T=f.mul(y),_=x.mul(T);return o.add(_)}),Pm=gn(e=>{const{dotNV:t,specularColor:r,specularF90:s,roughness:i}=e,n=Fm({dotNV:t,roughness:i});return r.mul(n.x).add(s.mul(n.y))}),Um=gn(({f:e,f90:t,dotVH:r})=>{const s=r.oneMinus().saturate(),i=s.mul(s),n=s.mul(i,i).clamp(0,.9999);return e.sub(An(t).mul(n)).div(n.oneMinus())}).setLayout({name:"Schlick_to_F0",type:"vec3",inputs:[{name:"f",type:"vec3"},{name:"f90",type:"float"},{name:"dotVH",type:"float"}]}),Dm=gn(({roughness:e,dotNH:t})=>{const r=e.pow2(),s=Tn(1).div(r),i=t.pow2().oneMinus().max(.0078125);return Tn(2).add(s).mul(i.pow(s.mul(.5))).div(2*Math.PI)}).setLayout({name:"D_Charlie",type:"float",inputs:[{name:"roughness",type:"float"},{name:"dotNH",type:"float"}]}),Om=gn(({dotNV:e,dotNL:t})=>Tn(1).div(Tn(4).mul(t.add(e).sub(t.mul(e))))).setLayout({name:"V_Neubelt",type:"float",inputs:[{name:"dotNV",type:"float"},{name:"dotNL",type:"float"}]}),Im=gn(({lightDirection:e})=>{const t=e.add(_c).normalize(),r=Bc.dot(e).clamp(),s=Bc.dot(_c).clamp(),i=Bc.dot(t).clamp(),n=Dm({roughness:Zn,dotNH:i}),a=Om({dotNV:s,dotNL:r});return Kn.mul(n).mul(a)}),Vm=gn(({N:e,V:t,roughness:r})=>{const s=e.dot(t).saturate(),i=Sn(r,s.oneMinus().sqrt());return i.assign(i.mul(.984375).add(.0078125)),i}).setLayout({name:"LTC_Uv",type:"vec2",inputs:[{name:"N",type:"vec3"},{name:"V",type:"vec3"},{name:"roughness",type:"float"}]}),km=gn(({f:e})=>{const t=e.length();return su(t.mul(t).add(e.z).div(t.add(1)),0)}).setLayout({name:"LTC_ClippedSphereFormFactor",type:"float",inputs:[{name:"f",type:"vec3"}]}),Gm=gn(({v1:e,v2:t})=>{const r=e.dot(t),s=r.abs().toVar(),i=s.mul(.0145206).add(.4965155).mul(s).add(.8543985).toVar(),n=s.add(4.1616724).mul(s).add(3.417594).toVar(),a=i.div(n),o=r.greaterThan(0).select(a,su(r.mul(r).oneMinus(),1e-7).inverseSqrt().mul(.5).sub(a));return e.cross(t).mul(o)}).setLayout({name:"LTC_EdgeVectorFormFactor",type:"vec3",inputs:[{name:"v1",type:"vec3"},{name:"v2",type:"vec3"}]}),zm=gn(({N:e,V:t,P:r,mInv:s,p0:i,p1:n,p2:a,p3:o})=>{const u=n.sub(i).toVar(),l=o.sub(i).toVar(),d=u.cross(l),c=An().toVar();return yn(d.dot(r.sub(i)).greaterThanEqual(0),()=>{const u=t.sub(e.mul(t.dot(e))).normalize(),l=e.cross(u).negate(),d=s.mul(On(u,l,e).transpose()).toVar(),h=d.mul(i.sub(r)).normalize().toVar(),p=d.mul(n.sub(r)).normalize().toVar(),g=d.mul(a.sub(r)).normalize().toVar(),m=d.mul(o.sub(r)).normalize().toVar(),f=An(0).toVar();f.addAssign(Gm({v1:h,v2:p})),f.addAssign(Gm({v1:p,v2:g})),f.addAssign(Gm({v1:g,v2:m})),f.addAssign(Gm({v1:m,v2:h})),c.assign(An(km({f:f})))}),c}).setLayout({name:"LTC_Evaluate",type:"vec3",inputs:[{name:"N",type:"vec3"},{name:"V",type:"vec3"},{name:"P",type:"vec3"},{name:"mInv",type:"mat3"},{name:"p0",type:"vec3"},{name:"p1",type:"vec3"},{name:"p2",type:"vec3"},{name:"p3",type:"vec3"}]}),$m=gn(({P:e,p0:t,p1:r,p2:s,p3:i})=>{const n=r.sub(t).toVar(),a=i.sub(t).toVar(),o=n.cross(a),u=An().toVar();return yn(o.dot(e.sub(t)).greaterThanEqual(0),()=>{const n=t.sub(e).normalize().toVar(),a=r.sub(e).normalize().toVar(),o=s.sub(e).normalize().toVar(),l=i.sub(e).normalize().toVar(),d=An(0).toVar();d.addAssign(Gm({v1:n,v2:a})),d.addAssign(Gm({v1:a,v2:o})),d.addAssign(Gm({v1:o,v2:l})),d.addAssign(Gm({v1:l,v2:n})),u.assign(An(km({f:d.abs()})))}),u}).setLayout({name:"LTC_Evaluate",type:"vec3",inputs:[{name:"P",type:"vec3"},{name:"p0",type:"vec3"},{name:"p1",type:"vec3"},{name:"p2",type:"vec3"},{name:"p3",type:"vec3"}]}),Wm=1/6,Hm=e=>Va(Wm,Va(e,Va(e,e.negate().add(3)).sub(3)).add(1)),jm=e=>Va(Wm,Va(e,Va(e,Va(3,e).sub(6))).add(4)),qm=e=>Va(Wm,Va(e,Va(e,Va(-3,e).add(3)).add(3)).add(1)),Xm=e=>Va(Wm,du(e,3)),Ym=e=>Hm(e).add(jm(e)),Qm=e=>qm(e).add(Xm(e)),Km=e=>Oa(-1,jm(e).div(Hm(e).add(jm(e)))),Zm=e=>Oa(1,Xm(e).div(qm(e).add(Xm(e)))),Jm=(e,t,r)=>{const s=e.uvNode,i=Va(s,t.zw).add(.5),n=Ro(i),a=Co(i),o=Ym(a.x),u=Qm(a.x),l=Km(a.x),d=Zm(a.x),c=Km(a.y),h=Zm(a.y),p=Sn(n.x.add(l),n.y.add(c)).sub(.5).mul(t.xy),g=Sn(n.x.add(d),n.y.add(c)).sub(.5).mul(t.xy),m=Sn(n.x.add(l),n.y.add(h)).sub(.5).mul(t.xy),f=Sn(n.x.add(d),n.y.add(h)).sub(.5).mul(t.xy),y=Ym(a.y).mul(Oa(o.mul(e.sample(p).level(r)),u.mul(e.sample(g).level(r)))),b=Qm(a.y).mul(Oa(o.mul(e.sample(m).level(r)),u.mul(e.sample(f).level(r))));return y.add(b)},ef=gn(([e,t])=>{const r=Sn(e.size(_n(t))),s=Sn(e.size(_n(t.add(1)))),i=ka(1,r),n=ka(1,s),a=Jm(e,Fn(i,r),Ro(t)),o=Jm(e,Fn(n,s),wo(t));return Co(t).mix(a,o)}),tf=gn(([e,t])=>{const r=t.mul(Kl(e));return ef(e,r)}),rf=gn(([e,t,r,s,i])=>{const n=An(vu(t.negate(),Ao(e),ka(1,s))),a=An(Wo(i[0].xyz),Wo(i[1].xyz),Wo(i[2].xyz));return Ao(n).mul(r.mul(a))}).setLayout({name:"getVolumeTransmissionRay",type:"vec3",inputs:[{name:"n",type:"vec3"},{name:"v",type:"vec3"},{name:"thickness",type:"float"},{name:"ior",type:"float"},{name:"modelMatrix",type:"mat4"}]}),sf=gn(([e,t])=>e.mul(Tu(t.mul(2).sub(2),0,1))).setLayout({name:"applyIorToRoughness",type:"float",inputs:[{name:"roughness",type:"float"},{name:"ior",type:"float"}]}),nf=pg(),af=mg(),of=gn(([e,t,r],{material:s})=>{const i=(s.side===L?nf:af).sample(e),n=No(fd.x).mul(sf(t,r));return ef(i,n)}),uf=gn(([e,t,r])=>(yn(r.notEqual(0),()=>{const s=vo(t).negate().div(r);return To(s.negate().mul(e))}),An(1))).setLayout({name:"volumeAttenuation",type:"vec3",inputs:[{name:"transmissionDistance",type:"float"},{name:"attenuationColor",type:"vec3"},{name:"attenuationDistance",type:"float"}]}),lf=gn(([e,t,r,s,i,n,a,o,u,l,d,c,h,p,g])=>{let m,f;if(g){m=Fn().toVar(),f=An().toVar();const i=d.sub(1).mul(g.mul(.025)),n=An(d.sub(i),d,d.add(i));Zp({start:0,end:3},({i:i})=>{const d=n.element(i),g=rf(e,t,c,d,o),y=a.add(g),b=l.mul(u.mul(Fn(y,1))),x=Sn(b.xy.div(b.w)).toVar();x.addAssign(1),x.divAssign(2),x.assign(Sn(x.x,x.y.oneMinus()));const T=of(x,r,d);m.element(i).assign(T.element(i)),m.a.addAssign(T.a),f.element(i).assign(s.element(i).mul(uf(Wo(g),h,p).element(i)))}),m.a.divAssign(3)}else{const i=rf(e,t,c,d,o),n=a.add(i),g=l.mul(u.mul(Fn(n,1))),y=Sn(g.xy.div(g.w)).toVar();y.addAssign(1),y.divAssign(2),y.assign(Sn(y.x,y.y.oneMinus())),m=of(y,r,d),f=s.mul(uf(Wo(i),h,p))}const y=f.rgb.mul(m.rgb),b=e.dot(t).clamp(),x=An(Pm({dotNV:b,specularColor:i,specularF90:n,roughness:r})),T=f.r.add(f.g,f.b).div(3);return Fn(x.oneMinus().mul(y),m.a.oneMinus().mul(T).oneMinus())}),df=On(3.2404542,-.969266,.0556434,-1.5371385,1.8760108,-.2040259,-.4985314,.041556,1.0572252),cf=(e,t)=>e.sub(t).div(e.add(t)).pow2(),hf=gn(({outsideIOR:e,eta2:t,cosTheta1:r,thinFilmThickness:s,baseF0:i})=>{const n=xu(e,t,Nu(0,.03,s)),a=e.div(n).pow2().mul(r.pow2().oneMinus()).oneMinus();yn(a.lessThan(0),()=>An(1));const o=a.sqrt(),u=cf(n,e),l=pm({f0:u,f90:1,dotVH:r}),d=l.oneMinus(),c=n.lessThan(e).select(Math.PI,0),h=Tn(Math.PI).sub(c),p=(e=>{const t=e.sqrt();return An(1).add(t).div(An(1).sub(t))})(i.clamp(0,.9999)),g=cf(p,n.toVec3()),m=pm({f0:g,f90:1,dotVH:o}),f=An(p.x.lessThan(n).select(Math.PI,0),p.y.lessThan(n).select(Math.PI,0),p.z.lessThan(n).select(Math.PI,0)),y=n.mul(s,o,2),b=An(h).add(f),x=l.mul(m).clamp(1e-5,.9999),T=x.sqrt(),_=d.pow2().mul(m).div(An(1).sub(x)),v=l.add(_).toVar(),N=_.sub(d).toVar();return Zp({start:1,end:2,condition:"<=",name:"m"},({m:e})=>{N.mulAssign(T);const t=((e,t)=>{const r=e.mul(2*Math.PI*1e-9),s=An(54856e-17,44201e-17,52481e-17),i=An(1681e3,1795300,2208400),n=An(43278e5,93046e5,66121e5),a=Tn(9747e-17*Math.sqrt(2*Math.PI*45282e5)).mul(r.mul(2239900).add(t.x).cos()).mul(r.pow2().mul(-45282e5).exp());let o=s.mul(n.mul(2*Math.PI).sqrt()).mul(i.mul(r).add(t).cos()).mul(r.pow2().negate().mul(n).exp());return o=An(o.x.add(a),o.y,o.z).div(1.0685e-7),df.mul(o)})(Tn(e).mul(y),Tn(e).mul(b)).mul(2);v.addAssign(N.mul(t))}),v.max(An(0))}).setLayout({name:"evalIridescence",type:"vec3",inputs:[{name:"outsideIOR",type:"float"},{name:"eta2",type:"float"},{name:"cosTheta1",type:"float"},{name:"thinFilmThickness",type:"float"},{name:"baseF0",type:"vec3"}]}),pf=gn(({normal:e,viewDir:t,roughness:r})=>{const s=e.dot(t).saturate(),i=r.mul(r),n=r.add(.1).reciprocal(),a=Tn(-1.9362).add(r.mul(1.0678)).add(i.mul(.4573)).sub(n.mul(.8469)),o=Tn(-.6014).add(r.mul(.5538)).sub(i.mul(.467)).sub(n.mul(.1255));return a.mul(s).add(o).exp().saturate()}),gf=An(.04),mf=Tn(1);class ff extends lm{constructor(e=!1,t=!1,r=!1,s=!1,i=!1,n=!1){super(),this.clearcoat=e,this.sheen=t,this.iridescence=r,this.anisotropy=s,this.transmission=i,this.dispersion=n,this.clearcoatRadiance=null,this.clearcoatSpecularDirect=null,this.clearcoatSpecularIndirect=null,this.sheenSpecularDirect=null,this.sheenSpecularIndirect=null,this.iridescenceFresnel=null,this.iridescenceF0=null,this.iridescenceF0Dielectric=null,this.iridescenceF0Metallic=null}start(e){if(!0===this.clearcoat&&(this.clearcoatRadiance=An().toVar("clearcoatRadiance"),this.clearcoatSpecularDirect=An().toVar("clearcoatSpecularDirect"),this.clearcoatSpecularIndirect=An().toVar("clearcoatSpecularIndirect")),!0===this.sheen&&(this.sheenSpecularDirect=An().toVar("sheenSpecularDirect"),this.sheenSpecularIndirect=An().toVar("sheenSpecularIndirect")),!0===this.iridescence){const e=Bc.dot(_c).clamp(),t=hf({outsideIOR:Tn(1),eta2:ea,cosTheta1:e,thinFilmThickness:ta,baseF0:aa}),r=hf({outsideIOR:Tn(1),eta2:ea,cosTheta1:e,thinFilmThickness:ta,baseF0:Wn.rgb});this.iridescenceFresnel=xu(t,r,Xn),this.iridescenceF0Dielectric=Um({f:t,f90:1,dotVH:e}),this.iridescenceF0Metallic=Um({f:r,f90:1,dotVH:e}),this.iridescenceF0=xu(this.iridescenceF0Dielectric,this.iridescenceF0Metallic,Xn)}if(!0===this.transmission){const t=bc,r=Hd.sub(bc).normalize(),s=Fc,i=e.context;i.backdrop=lf(s,r,qn,Hn,oa,ua,t,sc,zd,kd,ga,fa,ba,ya,this.dispersion?xa:null),i.backdropAlpha=ma,Wn.a.mulAssign(xu(1,i.backdrop.a,ma))}super.start(e)}computeMultiscattering(e,t,r,s,i=null){const n=Bc.dot(_c).clamp(),a=Fm({roughness:qn,dotNV:n}),o=i?Jn.mix(s,i):s,u=o.mul(a.x).add(r.mul(a.y)),l=a.x.add(a.y).oneMinus(),d=o.add(o.oneMinus().mul(.047619)),c=u.mul(d).div(l.mul(d).oneMinus());e.addAssign(u),t.addAssign(c.mul(l))}direct({lightDirection:e,lightColor:t,reflectedLight:r}){const s=Bc.dot(e).clamp().mul(t).toVar();if(!0===this.sheen){this.sheenSpecularDirect.addAssign(s.mul(Im({lightDirection:e})));const t=pf({normal:Bc,viewDir:_c,roughness:Zn}),r=pf({normal:Bc,viewDir:e,roughness:Zn}),i=Kn.r.max(Kn.g).max(Kn.b).mul(t.max(r)).oneMinus();s.mulAssign(i)}if(!0===this.clearcoat){const r=Lc.dot(e).clamp().mul(t);this.clearcoatSpecularDirect.addAssign(r.mul(Cm({lightDirection:e,f0:gf,f90:mf,roughness:Qn,normalView:Lc})))}r.directDiffuse.addAssign(s.mul(gm({diffuseColor:Hn}))),r.directSpecular.addAssign(s.mul(Lm({lightDirection:e,f0:oa,f90:1,roughness:qn,f:this.iridescenceFresnel,USE_IRIDESCENCE:this.iridescence,USE_ANISOTROPY:this.anisotropy})))}directRectArea({lightColor:e,lightPosition:t,halfWidth:r,halfHeight:s,reflectedLight:i,ltc_1:n,ltc_2:a}){const o=t.add(r).sub(s),u=t.sub(r).sub(s),l=t.sub(r).add(s),d=t.add(r).add(s),c=Bc,h=_c,p=Tc.toVar(),g=Vm({N:c,V:h,roughness:qn}),m=n.sample(g).toVar(),f=a.sample(g).toVar(),y=On(An(m.x,0,m.y),An(0,1,0),An(m.z,0,m.w)).toVar(),b=oa.mul(f.x).add(ua.sub(oa).mul(f.y)).toVar();if(i.directSpecular.addAssign(e.mul(b).mul(zm({N:c,V:h,P:p,mInv:y,p0:o,p1:u,p2:l,p3:d}))),i.directDiffuse.addAssign(e.mul(Hn).mul(zm({N:c,V:h,P:p,mInv:On(1,0,0,0,1,0,0,0,1),p0:o,p1:u,p2:l,p3:d}))),!0===this.clearcoat){const t=Lc,r=Vm({N:t,V:h,roughness:Qn}),s=n.sample(r),i=a.sample(r),c=On(An(s.x,0,s.y),An(0,1,0),An(s.z,0,s.w)),g=gf.mul(i.x).add(mf.sub(gf).mul(i.y));this.clearcoatSpecularDirect.addAssign(e.mul(g).mul(zm({N:t,V:h,P:p,mInv:c,p0:o,p1:u,p2:l,p3:d})))}}indirect(e){this.indirectDiffuse(e),this.indirectSpecular(e),this.ambientOcclusion(e)}indirectDiffuse(e){const{irradiance:t,reflectedLight:r}=e.context,s=t.mul(gm({diffuseColor:Hn})).toVar();if(!0===this.sheen){const e=pf({normal:Bc,viewDir:_c,roughness:Zn}),t=Kn.r.max(Kn.g).max(Kn.b).mul(e).oneMinus();s.mulAssign(t)}r.indirectDiffuse.addAssign(s)}indirectSpecular(e){const{radiance:t,iblIrradiance:r,reflectedLight:s}=e.context;if(!0===this.sheen&&this.sheenSpecularIndirect.addAssign(r.mul(Kn,pf({normal:Bc,viewDir:_c,roughness:Zn}))),!0===this.clearcoat){const e=Lc.dot(_c).clamp(),t=Pm({dotNV:e,specularColor:gf,specularF90:mf,roughness:Qn});this.clearcoatSpecularIndirect.addAssign(this.clearcoatRadiance.mul(t))}const i=An().toVar("singleScatteringDielectric"),n=An().toVar("multiScatteringDielectric"),a=An().toVar("singleScatteringMetallic"),o=An().toVar("multiScatteringMetallic");this.computeMultiscattering(i,n,ua,aa,this.iridescenceF0Dielectric),this.computeMultiscattering(a,o,ua,Wn.rgb,this.iridescenceF0Metallic);const u=xu(i,a,Xn),l=xu(n,o,Xn),d=i.add(n),c=Hn.mul(d.oneMinus()),h=r.mul(1/Math.PI),p=t.mul(u).add(l.mul(h)).toVar(),g=c.mul(h).toVar();if(!0===this.sheen){const e=pf({normal:Bc,viewDir:_c,roughness:Zn}),t=Kn.r.max(Kn.g).max(Kn.b).mul(e).oneMinus();p.mulAssign(t),g.mulAssign(t)}s.indirectSpecular.addAssign(p),s.indirectDiffuse.addAssign(g)}ambientOcclusion(e){const{ambientOcclusion:t,reflectedLight:r}=e.context,s=Bc.dot(_c).clamp().add(t),i=qn.mul(-16).oneMinus().negate().exp2(),n=t.sub(s.pow(i).oneMinus()).clamp();!0===this.clearcoat&&this.clearcoatSpecularIndirect.mulAssign(t),!0===this.sheen&&this.sheenSpecularIndirect.mulAssign(t),r.indirectDiffuse.mulAssign(t),r.indirectSpecular.mulAssign(n)}finish({context:e}){const{outgoingLight:t}=e;if(!0===this.clearcoat){const e=Lc.dot(_c).clamp(),r=pm({dotVH:e,f0:gf,f90:mf}),s=t.mul(Yn.mul(r).oneMinus()).add(this.clearcoatSpecularDirect.add(this.clearcoatSpecularIndirect).mul(Yn));t.assign(s)}if(!0===this.sheen){const e=t.add(this.sheenSpecularDirect,this.sheenSpecularIndirect.mul(1/Math.PI));t.assign(e)}}}const yf=Tn(1),bf=Tn(-2),xf=Tn(.8),Tf=Tn(-1),_f=Tn(.4),vf=Tn(2),Nf=Tn(.305),Sf=Tn(3),Ef=Tn(.21),Rf=Tn(4),wf=Tn(4),Af=Tn(16),Cf=gn(([e])=>{const t=An(zo(e)).toVar(),r=Tn(-1).toVar();return yn(t.x.greaterThan(t.z),()=>{yn(t.x.greaterThan(t.y),()=>{r.assign(Fu(e.x.greaterThan(0),0,3))}).Else(()=>{r.assign(Fu(e.y.greaterThan(0),1,4))})}).Else(()=>{yn(t.z.greaterThan(t.y),()=>{r.assign(Fu(e.z.greaterThan(0),2,5))}).Else(()=>{r.assign(Fu(e.y.greaterThan(0),1,4))})}),r}).setLayout({name:"getFace",type:"float",inputs:[{name:"direction",type:"vec3"}]}),Mf=gn(([e,t])=>{const r=Sn().toVar();return yn(t.equal(0),()=>{r.assign(Sn(e.z,e.y).div(zo(e.x)))}).ElseIf(t.equal(1),()=>{r.assign(Sn(e.x.negate(),e.z.negate()).div(zo(e.y)))}).ElseIf(t.equal(2),()=>{r.assign(Sn(e.x.negate(),e.y).div(zo(e.z)))}).ElseIf(t.equal(3),()=>{r.assign(Sn(e.z.negate(),e.y).div(zo(e.x)))}).ElseIf(t.equal(4),()=>{r.assign(Sn(e.x.negate(),e.z).div(zo(e.y)))}).Else(()=>{r.assign(Sn(e.x,e.y).div(zo(e.z)))}),Va(.5,r.add(1))}).setLayout({name:"getUV",type:"vec2",inputs:[{name:"direction",type:"vec3"},{name:"face",type:"float"}]}),Bf=gn(([e])=>{const t=Tn(0).toVar();return yn(e.greaterThanEqual(xf),()=>{t.assign(yf.sub(e).mul(Tf.sub(bf)).div(yf.sub(xf)).add(bf))}).ElseIf(e.greaterThanEqual(_f),()=>{t.assign(xf.sub(e).mul(vf.sub(Tf)).div(xf.sub(_f)).add(Tf))}).ElseIf(e.greaterThanEqual(Nf),()=>{t.assign(_f.sub(e).mul(Sf.sub(vf)).div(_f.sub(Nf)).add(vf))}).ElseIf(e.greaterThanEqual(Ef),()=>{t.assign(Nf.sub(e).mul(Rf.sub(Sf)).div(Nf.sub(Ef)).add(Sf))}).Else(()=>{t.assign(Tn(-2).mul(No(Va(1.16,e))))}),t}).setLayout({name:"roughnessToMip",type:"float",inputs:[{name:"roughness",type:"float"}]}),Ff=gn(([e,t])=>{const r=e.toVar();r.assign(Va(2,r).sub(1));const s=An(r,1).toVar();return yn(t.equal(0),()=>{s.assign(s.zyx)}).ElseIf(t.equal(1),()=>{s.assign(s.xzy),s.xz.mulAssign(-1)}).ElseIf(t.equal(2),()=>{s.x.mulAssign(-1)}).ElseIf(t.equal(3),()=>{s.assign(s.zyx),s.xz.mulAssign(-1)}).ElseIf(t.equal(4),()=>{s.assign(s.xzy),s.xy.mulAssign(-1)}).ElseIf(t.equal(5),()=>{s.z.mulAssign(-1)}),s}).setLayout({name:"getDirection",type:"vec3",inputs:[{name:"uv",type:"vec2"},{name:"face",type:"float"}]}),Lf=gn(([e,t,r,s,i,n])=>{const a=Tn(r),o=An(t),u=Tu(Bf(a),bf,n),l=Co(u),d=Ro(u),c=An(Pf(e,o,d,s,i,n)).toVar();return yn(l.notEqual(0),()=>{const t=An(Pf(e,o,d.add(1),s,i,n)).toVar();c.assign(xu(c,t,l))}),c}),Pf=gn(([e,t,r,s,i,n])=>{const a=Tn(r).toVar(),o=An(t),u=Tn(Cf(o)).toVar(),l=Tn(su(wf.sub(a),0)).toVar();a.assign(su(a,wf));const d=Tn(_o(a)).toVar(),c=Sn(Mf(o,u).mul(d.sub(2)).add(1)).toVar();return yn(u.greaterThan(2),()=>{c.y.addAssign(d),u.subAssign(3)}),c.x.addAssign(u.mul(d)),c.x.addAssign(l.mul(Va(3,Af))),c.y.addAssign(Va(4,_o(n).sub(d))),c.x.mulAssign(s),c.y.mulAssign(i),e.sample(c).grad(Sn(),Sn())}),Uf=gn(({envMap:e,mipInt:t,outputDirection:r,theta:s,axis:i,CUBEUV_TEXEL_WIDTH:n,CUBEUV_TEXEL_HEIGHT:a,CUBEUV_MAX_MIP:o})=>{const u=Fo(s),l=r.mul(u).add(i.cross(r).mul(Mo(s))).add(i.mul(i.dot(r).mul(u.oneMinus())));return Pf(e,l,t,n,a,o)}),Df=gn(({n:e,latitudinal:t,poleAxis:r,outputDirection:s,weights:i,samples:n,dTheta:a,mipInt:o,envMap:u,CUBEUV_TEXEL_WIDTH:l,CUBEUV_TEXEL_HEIGHT:d,CUBEUV_MAX_MIP:c})=>{const h=An(Fu(t,r,lu(r,s))).toVar();yn(h.equal(An(0)),()=>{h.assign(An(s.z,0,s.x.negate()))}),h.assign(Ao(h));const p=An().toVar();return p.addAssign(i.element(0).mul(Uf({theta:0,axis:h,outputDirection:s,mipInt:o,envMap:u,CUBEUV_TEXEL_WIDTH:l,CUBEUV_TEXEL_HEIGHT:d,CUBEUV_MAX_MIP:c}))),Zp({start:_n(1),end:e},({i:e})=>{yn(e.greaterThanEqual(n),()=>{Jp()});const t=Tn(a.mul(Tn(e))).toVar();p.addAssign(i.element(e).mul(Uf({theta:t.mul(-1),axis:h,outputDirection:s,mipInt:o,envMap:u,CUBEUV_TEXEL_WIDTH:l,CUBEUV_TEXEL_HEIGHT:d,CUBEUV_MAX_MIP:c}))),p.addAssign(i.element(e).mul(Uf({theta:t,axis:h,outputDirection:s,mipInt:o,envMap:u,CUBEUV_TEXEL_WIDTH:l,CUBEUV_TEXEL_HEIGHT:d,CUBEUV_MAX_MIP:c})))}),Fn(p,1)}),Of=gn(([e])=>{const t=vn(e).toVar();return t.assign(t.shiftLeft(vn(16)).bitOr(t.shiftRight(vn(16)))),t.assign(t.bitAnd(vn(1431655765)).shiftLeft(vn(1)).bitOr(t.bitAnd(vn(2863311530)).shiftRight(vn(1)))),t.assign(t.bitAnd(vn(858993459)).shiftLeft(vn(2)).bitOr(t.bitAnd(vn(3435973836)).shiftRight(vn(2)))),t.assign(t.bitAnd(vn(252645135)).shiftLeft(vn(4)).bitOr(t.bitAnd(vn(4042322160)).shiftRight(vn(4)))),t.assign(t.bitAnd(vn(16711935)).shiftLeft(vn(8)).bitOr(t.bitAnd(vn(4278255360)).shiftRight(vn(8)))),Tn(t).mul(2.3283064365386963e-10)}),If=gn(([e,t])=>Sn(Tn(e).div(Tn(t)),Of(e))),Vf=gn(([e,t,r])=>{const s=r.mul(r).toConst(),i=An(1,0,0).toConst(),n=lu(t,i).toConst(),a=So(e.x).toConst(),o=Va(2,3.14159265359).mul(e.y).toConst(),u=a.mul(Fo(o)).toConst(),l=a.mul(Mo(o)).toVar(),d=Va(.5,t.z.add(1)).toConst();l.assign(d.oneMinus().mul(So(u.mul(u).oneMinus())).add(d.mul(l)));const c=i.mul(u).add(n.mul(l)).add(t.mul(So(su(0,u.mul(u).add(l.mul(l)).oneMinus()))));return Ao(An(s.mul(c.x),s.mul(c.y),su(0,c.z)))}),kf=gn(({roughness:e,mipInt:t,envMap:r,N_immutable:s,GGX_SAMPLES:i,CUBEUV_TEXEL_WIDTH:n,CUBEUV_TEXEL_HEIGHT:a,CUBEUV_MAX_MIP:o})=>{const u=An(s).toVar(),l=An(0).toVar(),d=Tn(0).toVar();return yn(e.lessThan(.001),()=>{l.assign(Pf(r,u,t,n,a,o))}).Else(()=>{const s=Fu(zo(u.z).lessThan(.999),An(0,0,1),An(1,0,0)),c=Ao(lu(s,u)).toVar(),h=lu(u,c).toVar();Zp({start:vn(0),end:i},({i:s})=>{const p=If(s,i),g=Vf(p,An(0,0,1),e),m=Ao(c.mul(g.x).add(h.mul(g.y)).add(u.mul(g.z))),f=Ao(m.mul(uu(u,m).mul(2)).sub(u)),y=su(uu(u,f),0);yn(y.greaterThan(0),()=>{const e=Pf(r,f,t,n,a,o);l.addAssign(e.mul(y)),d.addAssign(y)})}),yn(d.greaterThan(0),()=>{l.assign(l.div(d))})}),Fn(l,1)}),Gf=[.125,.215,.35,.446,.526,.582],zf=20,$f=new Ne(-1,1,1,-1,0,1),Wf=new Se(90,1),Hf=new e;let jf=null,qf=0,Xf=0;const Yf=new r,Qf=new WeakMap,Kf=[3,1,5,0,4,2],Zf=Ff(ql(),jl("faceIndex")).normalize(),Jf=An(Zf.x,Zf.y,Zf.z);class ey{constructor(e){this._renderer=e,this._pingPongRenderTarget=null,this._lodMax=0,this._cubeSize=0,this._sizeLods=[],this._sigmas=[],this._lodMeshes=[],this._blurMaterial=null,this._ggxMaterial=null,this._cubemapMaterial=null,this._equirectMaterial=null,this._backgroundBox=null}get _hasInitialized(){return this._renderer.hasInitialized()}fromScene(e,t=0,r=.1,s=100,i={}){const{size:n=256,position:a=Yf,renderTarget:o=null}=i;if(this._setSize(n),!1===this._hasInitialized)throw new Error('THREE.PMREMGenerator: .fromScene() called before the backend is initialized. Use "await renderer.init();" before using this method.');jf=this._renderer.getRenderTarget(),qf=this._renderer.getActiveCubeFace(),Xf=this._renderer.getActiveMipmapLevel();const u=o||this._allocateTarget(!0);return this._init(u),this._sceneToCubeUV(e,r,s,u,a),t>0&&this._blur(u,0,0,t),this._applyPMREM(u),this._cleanup(u),u}async fromSceneAsync(e,t=0,r=.1,s=100,i={}){return v('PMREMGenerator: ".fromSceneAsync()" is deprecated. Use "await renderer.init()" instead.'),await this._renderer.init(),this.fromScene(e,t,r,s,i)}fromEquirectangular(e,t=null){if(!1===this._hasInitialized)throw new Error('THREE.PMREMGenerator: .fromEquirectangular() called before the backend is initialized. Use "await renderer.init();" before using this method.');return this._fromTexture(e,t)}async fromEquirectangularAsync(e,t=null){return v('PMREMGenerator: ".fromEquirectangularAsync()" is deprecated. Use "await renderer.init()" instead.'),await this._renderer.init(),this._fromTexture(e,t)}fromCubemap(e,t=null){if(!1===this._hasInitialized)throw new Error('THREE.PMREMGenerator: .fromCubemap() called before the backend is initialized. Use "await renderer.init();" before using this method.');return this._fromTexture(e,t)}async fromCubemapAsync(e,t=null){return v('PMREMGenerator: ".fromCubemapAsync()" is deprecated. Use "await renderer.init()" instead.'),await this._renderer.init(),this._fromTexture(e,t)}async compileCubemapShader(){null===this._cubemapMaterial&&(this._cubemapMaterial=sy(),await this._compileMaterial(this._cubemapMaterial))}async compileEquirectangularShader(){null===this._equirectMaterial&&(this._equirectMaterial=iy(),await this._compileMaterial(this._equirectMaterial))}dispose(){this._dispose(),null!==this._cubemapMaterial&&this._cubemapMaterial.dispose(),null!==this._equirectMaterial&&this._equirectMaterial.dispose(),null!==this._backgroundBox&&(this._backgroundBox.geometry.dispose(),this._backgroundBox.material.dispose())}_setSizeFromTexture(e){e.mapping===D||e.mapping===O?this._setSize(0===e.image.length?16:e.image[0].width||e.image[0].image.width):this._setSize(e.image.width/4)}_setSize(e){this._lodMax=Math.floor(Math.log2(e)),this._cubeSize=Math.pow(2,this._lodMax)}_dispose(){null!==this._blurMaterial&&this._blurMaterial.dispose(),null!==this._ggxMaterial&&this._ggxMaterial.dispose(),null!==this._pingPongRenderTarget&&this._pingPongRenderTarget.dispose();for(let e=0;ee-4?o=Gf[a-e+4-1]:0===a&&(o=0),r.push(o);const u=1/(n-2),l=-u,d=1+u,c=[l,l,d,l,d,d,l,l,d,d,l,d],h=6,p=6,g=3,m=2,f=1,y=new Float32Array(g*p*h),b=new Float32Array(m*p*h),x=new Float32Array(f*p*h);for(let e=0;e2?0:-1,s=[t,r,0,t+2/3,r,0,t+2/3,r+1,0,t,r,0,t+2/3,r+1,0,t,r+1,0],i=Kf[e];y.set(s,g*p*i),b.set(c,m*p*i);const n=[i,i,i,i,i,i];x.set(n,f*p*i)}const T=new ve;T.setAttribute("position",new Ae(y,g)),T.setAttribute("uv",new Ae(b,m)),T.setAttribute("faceIndex",new Ae(x,f)),s.push(new oe(T,null)),i>4&&i--}return{lodMeshes:s,sizeLods:t,sigmas:r}}(t)),this._blurMaterial=function(e,t,s){const i=ud(new Array(zf).fill(0)),n=Aa(new r(0,1,0)),a=Aa(0),o=Tn(zf),u=Aa(0),l=Aa(1),d=rd(),c=Aa(0),h=Tn(1/t),p=Tn(1/s),g=Tn(e),m={n:o,latitudinal:u,weights:i,poleAxis:n,outputDirection:Jf,dTheta:a,samples:l,envMap:d,mipInt:c,CUBEUV_TEXEL_WIDTH:h,CUBEUV_TEXEL_HEIGHT:p,CUBEUV_MAX_MIP:g},f=ry("blur");return f.fragmentNode=Df({...m,latitudinal:u.equal(1)}),Qf.set(f,m),f}(t,e.width,e.height),this._ggxMaterial=function(e,t,r){const s=rd(),i=Aa(0),n=Aa(0),a=Tn(1/t),o=Tn(1/r),u=Tn(e),l={envMap:s,roughness:i,mipInt:n,CUBEUV_TEXEL_WIDTH:a,CUBEUV_TEXEL_HEIGHT:o,CUBEUV_MAX_MIP:u},d=ry("ggx");return d.fragmentNode=kf({...l,N_immutable:Jf,GGX_SAMPLES:vn(512)}),Qf.set(d,l),d}(t,e.width,e.height)}}async _compileMaterial(e){const t=new oe(new ve,e);await this._renderer.compile(t,$f)}_sceneToCubeUV(e,t,r,s,i){const n=Wf;n.near=t,n.far=r;const a=[1,1,1,1,-1,1],o=[1,-1,1,-1,1,-1],u=this._renderer,l=u.autoClear;u.getClearColor(Hf),u.autoClear=!1,null===this._backgroundBox&&(this._backgroundBox=new oe(new ae,new fe({name:"PMREM.Background",side:L,depthWrite:!1,depthTest:!1})));const d=this._backgroundBox,c=d.material;let h=!1;const p=e.background;p?p.isColor&&(c.color.copy(p),e.background=null,h=!0):(c.color.copy(Hf),h=!0),u.setRenderTarget(s),u.clear(),h&&u.render(d,n);for(let t=0;t<6;t++){const r=t%3;0===r?(n.up.set(0,a[t],0),n.position.set(i.x,i.y,i.z),n.lookAt(i.x+o[t],i.y,i.z)):1===r?(n.up.set(0,0,a[t]),n.position.set(i.x,i.y,i.z),n.lookAt(i.x,i.y+o[t],i.z)):(n.up.set(0,a[t],0),n.position.set(i.x,i.y,i.z),n.lookAt(i.x,i.y,i.z+o[t]));const l=this._cubeSize;this._setViewport(s,r*l,t>2?l:0,l,l),u.render(e,n)}u.autoClear=l,e.background=p}_textureToCubeUV(e,t){const r=this._renderer,s=e.mapping===D||e.mapping===O;s?null===this._cubemapMaterial&&(this._cubemapMaterial=sy(e)):null===this._equirectMaterial&&(this._equirectMaterial=iy(e));const i=s?this._cubemapMaterial:this._equirectMaterial;i.fragmentNode.value=e;const n=this._lodMeshes[0];n.material=i;const a=this._cubeSize;this._setViewport(t,0,0,3*a,2*a),r.setRenderTarget(t),r.render(n,$f)}_applyPMREM(e){const t=this._renderer,r=t.autoClear;t.autoClear=!1;const s=this._lodMeshes.length;for(let t=1;tc-4?r-c+4:0),g=4*(this._cubeSize-h);e.texture.frame=(e.texture.frame||0)+1,o.envMap.value=e.texture,o.roughness.value=d,o.mipInt.value=c-t,this._setViewport(i,p,g,3*h,2*h),s.setRenderTarget(i),s.render(a,$f),i.texture.frame=(i.texture.frame||0)+1,o.envMap.value=i.texture,o.roughness.value=0,o.mipInt.value=c-r,this._setViewport(e,p,g,3*h,2*h),s.setRenderTarget(e),s.render(a,$f)}_blur(e,t,r,s,i){const n=this._pingPongRenderTarget;this._halfBlur(e,n,t,r,s,"latitudinal",i),this._halfBlur(n,e,r,r,s,"longitudinal",i)}_halfBlur(e,t,r,s,i,n,a){const u=this._renderer,l=this._blurMaterial;"latitudinal"!==n&&"longitudinal"!==n&&o("blur direction must be either latitudinal or longitudinal!");const c=this._lodMeshes[s];c.material=l;const h=Qf.get(l),p=this._sizeLods[r]-1,g=isFinite(i)?Math.PI/(2*p):2*Math.PI/39,m=i/g,f=isFinite(i)?1+Math.floor(3*m):zf;f>zf&&d(`sigmaRadians, ${i}, is too large and will clip, as it requested ${f} samples when the maximum is set to 20`);const y=[];let b=0;for(let e=0;ex-4?s-x+4:0),v=4*(this._cubeSize-T);this._setViewport(t,_,v,3*T,2*T),u.setRenderTarget(t),u.render(c,$f)}_setViewport(e,t,r,s,i){this._renderer.isWebGLRenderer?(e.viewport.set(t,e.height-i-r,s,i),e.scissor.set(t,e.height-i-r,s,i)):(e.viewport.set(t,r,s,i),e.scissor.set(t,r,s,i))}}function ty(e,t,r){const s=new ne(e,t,{magFilter:le,minFilter:le,generateMipmaps:!1,type:Te,format:Re,colorSpace:Ee,depthBuffer:r});return s.texture.mapping=we,s.texture.name="PMREM.cubeUv",s.texture.isPMREMTexture=!0,s.scissorTest=!0,s}function ry(e){const t=new Dg;return t.depthTest=!1,t.depthWrite=!1,t.blending=re,t.name=`PMREM_${e}`,t}function sy(e){const t=ry("cubemap");return t.fragmentNode=Qc(e,Jf),t}function iy(e){const t=ry("equirect");return t.fragmentNode=rd(e,Jg(Jf),0),t}const ny=new WeakMap;function ay(e,t,r){const s=function(e){let t=ny.get(e);void 0===t&&(t=new WeakMap,ny.set(e,t));return t}(t);let i=s.get(e);if((void 0!==i?i.pmremVersion:-1)!==e.pmremVersion){const t=e.image;if(e.isCubeTexture){if(!function(e){if(null==e)return!1;let t=0;const r=6;for(let s=0;s0}(t))return null;i=r.fromEquirectangular(e,i)}if(i.pmremVersion=e.pmremVersion,!1===s.has(e)){const t=()=>{e.removeEventListener("dispose",t);const r=s.get(e);void 0!==r&&(r.dispose(),s.delete(e))};e.addEventListener("dispose",t)}s.set(e,i)}return i.texture}class oy extends fi{static get type(){return"PMREMNode"}constructor(e,t=null,r=null){super("vec3"),this._value=e,this._pmrem=null,this.uvNode=t,this.levelNode=r,this._generator=null;const s=new N;s.isRenderTargetTexture=!0,this._texture=rd(s),this._width=Aa(0),this._height=Aa(0),this._maxMip=Aa(0),this.updateBeforeType=ii.RENDER}set value(e){this._value=e,this._pmrem=null}get value(){return this._value}updateFromTexture(e){const t=function(e){const t=Math.log2(e)-2,r=1/e;return{texelWidth:1/(3*Math.max(Math.pow(2,t),112)),texelHeight:r,maxMip:t}}(e.image.height);this._texture.value=e,this._width.value=t.texelWidth,this._height.value=t.texelHeight,this._maxMip.value=t.maxMip}updateBefore(e){let t=this._pmrem;const r=t?t.pmremVersion:-1,s=this._value;r!==s.pmremVersion&&(t=!0===s.isPMREMTexture||s.mapping===we?s:ay(s,e.renderer,this._generator),null!==t&&(this._pmrem=t,this.updateFromTexture(t)))}setup(e){null===this._generator&&(this._generator=new ey(e.renderer)),this.updateBefore(e);let t=this.uvNode;null===t&&e.context.getUV&&(t=e.context.getUV(this,e)),t=this._pmrem.isRenderTargetTexture?zc.mul(An(t.x,t.y.negate(),t.z)):zc.mul(t);let r=this.levelNode;return null===r&&e.context.getTextureLevel&&(r=e.context.getTextureLevel(this)),Lf(this._texture,t,r,this._width,this._height,this._maxMip)}dispose(){super.dispose(),null!==this._generator&&this._generator.dispose()}}const uy=un(oy).setParameterLength(1,3),ly=new WeakMap;class dy extends ng{static get type(){return"EnvironmentNode"}constructor(e=null){super(),this.envNode=e}setup(e){const{material:t}=e;let r=this.envNode;if(r.isTextureNode||r.isMaterialReferenceNode){const s=r.isTextureNode?r.value:t[r.property],i=this._getPMREMNodeCache(e.renderer);let n=i.get(s);void 0===n&&(n=uy(s),i.set(s,n)),r=n}const s=!0===t.useAnisotropy||t.anisotropy>0?Ah:Bc,i=r.context(cy(qn,s)).mul(Gc),n=r.context(hy(Fc)).mul(Math.PI).mul(Gc),a=wl(i),o=wl(n);e.context.radiance.addAssign(a),e.context.iblIrradiance.addAssign(o);const u=e.context.lightingModel.clearcoatRadiance;if(u){const e=r.context(cy(Qn,Lc)).mul(Gc),t=wl(e);u.addAssign(t)}}_getPMREMNodeCache(e){let t=ly.get(e);return void 0===t&&(t=new WeakMap,ly.set(e,t)),t}}const cy=(e,t)=>{let r=null;return{getUV:()=>(null===r&&(r=_c.negate().reflect(t),r=pu(e).mix(r,t).normalize(),r=r.transformDirection($d)),r),getTextureLevel:()=>e}},hy=e=>({getUV:()=>e,getTextureLevel:()=>Tn(1)}),py=new Ce;class gy extends Dg{static get type(){return"MeshStandardNodeMaterial"}constructor(e){super(),this.isMeshStandardNodeMaterial=!0,this.lights=!0,this.emissiveNode=null,this.metalnessNode=null,this.roughnessNode=null,this.setDefaultValues(py),this.setValues(e)}setupEnvironment(e){let t=super.setupEnvironment(e);return null===t&&e.environmentNode&&(t=e.environmentNode),t?new dy(t):null}setupLightingModel(){return new ff}setupSpecular(){const e=xu(An(.04),Wn.rgb,Xn);aa.assign(An(.04)),oa.assign(e),ua.assign(1)}setupVariants(){const e=this.metalnessNode?Tn(this.metalnessNode):Kh;Xn.assign(e);let t=this.roughnessNode?Tn(this.roughnessNode):Qh;t=Nm({roughness:t}),qn.assign(t),this.setupSpecular(),Hn.assign(Wn.rgb.mul(e.oneMinus()))}}const my=new Me;class fy extends gy{static get type(){return"MeshPhysicalNodeMaterial"}constructor(e){super(),this.isMeshPhysicalNodeMaterial=!0,this.clearcoatNode=null,this.clearcoatRoughnessNode=null,this.clearcoatNormalNode=null,this.sheenNode=null,this.sheenRoughnessNode=null,this.iridescenceNode=null,this.iridescenceIORNode=null,this.iridescenceThicknessNode=null,this.specularIntensityNode=null,this.specularColorNode=null,this.iorNode=null,this.transmissionNode=null,this.thicknessNode=null,this.attenuationDistanceNode=null,this.attenuationColorNode=null,this.dispersionNode=null,this.anisotropyNode=null,this.setDefaultValues(my),this.setValues(e)}get useClearcoat(){return this.clearcoat>0||null!==this.clearcoatNode}get useIridescence(){return this.iridescence>0||null!==this.iridescenceNode}get useSheen(){return this.sheen>0||null!==this.sheenNode}get useAnisotropy(){return this.anisotropy>0||null!==this.anisotropyNode}get useTransmission(){return this.transmission>0||null!==this.transmissionNode}get useDispersion(){return this.dispersion>0||null!==this.dispersionNode}setupSpecular(){const e=this.iorNode?Tn(this.iorNode):cp;ga.assign(e),aa.assign(ru(cu(ga.sub(1).div(ga.add(1))).mul(qh),An(1)).mul(jh)),oa.assign(xu(aa,Wn.rgb,Xn)),ua.assign(xu(jh,1,Xn))}setupLightingModel(){return new ff(this.useClearcoat,this.useSheen,this.useIridescence,this.useAnisotropy,this.useTransmission,this.useDispersion)}setupVariants(e){if(super.setupVariants(e),this.useClearcoat){const e=this.clearcoatNode?Tn(this.clearcoatNode):Jh,t=this.clearcoatRoughnessNode?Tn(this.clearcoatRoughnessNode):ep;Yn.assign(e),Qn.assign(Nm({roughness:t}))}if(this.useSheen){const e=this.sheenNode?An(this.sheenNode):sp,t=this.sheenRoughnessNode?Tn(this.sheenRoughnessNode):ip;Kn.assign(e),Zn.assign(t)}if(this.useIridescence){const e=this.iridescenceNode?Tn(this.iridescenceNode):ap,t=this.iridescenceIORNode?Tn(this.iridescenceIORNode):op,r=this.iridescenceThicknessNode?Tn(this.iridescenceThicknessNode):up;Jn.assign(e),ea.assign(t),ta.assign(r)}if(this.useAnisotropy){const e=(this.anisotropyNode?Sn(this.anisotropyNode):np).toVar();sa.assign(e.length()),yn(sa.equal(0),()=>{e.assign(Sn(1,0))}).Else(()=>{e.divAssign(Sn(sa)),sa.assign(sa.saturate())}),ra.assign(sa.pow2().mix(qn.pow2(),1)),ia.assign(Rh[0].mul(e.x).add(Rh[1].mul(e.y))),na.assign(Rh[1].mul(e.x).sub(Rh[0].mul(e.y)))}if(this.useTransmission){const e=this.transmissionNode?Tn(this.transmissionNode):lp,t=this.thicknessNode?Tn(this.thicknessNode):dp,r=this.attenuationDistanceNode?Tn(this.attenuationDistanceNode):hp,s=this.attenuationColorNode?An(this.attenuationColorNode):pp;if(ma.assign(e),fa.assign(t),ya.assign(r),ba.assign(s),this.useDispersion){const e=this.dispersionNode?Tn(this.dispersionNode):Tp;xa.assign(e)}}}setupClearcoatNormal(){return this.clearcoatNormalNode?An(this.clearcoatNormalNode):tp}setup(e){e.context.setupClearcoatNormal=()=>ju(this.setupClearcoatNormal(e),"NORMAL","vec3"),super.setup(e)}}class yy extends ff{constructor(e=!1,t=!1,r=!1,s=!1,i=!1,n=!1,a=!1){super(e,t,r,s,i,n),this.useSSS=a}direct({lightDirection:e,lightColor:t,reflectedLight:r},s){if(!0===this.useSSS){const i=s.material,{thicknessColorNode:n,thicknessDistortionNode:a,thicknessAmbientNode:o,thicknessAttenuationNode:u,thicknessPowerNode:l,thicknessScaleNode:d}=i,c=e.add(Bc.mul(a)).normalize(),h=Tn(_c.dot(c.negate()).saturate().pow(l).mul(d)),p=An(h.add(o).mul(n));r.directDiffuse.addAssign(p.mul(u.mul(t)))}super.direct({lightDirection:e,lightColor:t,reflectedLight:r},s)}}class by extends fy{static get type(){return"MeshSSSNodeMaterial"}constructor(e){super(e),this.thicknessColorNode=null,this.thicknessDistortionNode=Tn(.1),this.thicknessAmbientNode=Tn(0),this.thicknessAttenuationNode=Tn(.1),this.thicknessPowerNode=Tn(2),this.thicknessScaleNode=Tn(10)}get useSSS(){return null!==this.thicknessColorNode}setupLightingModel(){return new yy(this.useClearcoat,this.useSheen,this.useIridescence,this.useAnisotropy,this.useTransmission,this.useDispersion,this.useSSS)}}const xy=gn(({normal:e,lightDirection:t,builder:r})=>{const s=e.dot(t),i=Sn(s.mul(.5).add(.5),0);if(r.material.gradientMap){const e=rh("gradientMap","texture").context({getUV:()=>i});return An(e.r)}{const e=i.fwidth().mul(.5);return xu(An(.7),An(1),Nu(Tn(.7).sub(e.x),Tn(.7).add(e.x),i.x))}});class Ty extends lm{direct({lightDirection:e,lightColor:t,reflectedLight:r},s){const i=xy({normal:Rc,lightDirection:e,builder:s}).mul(t);r.directDiffuse.addAssign(i.mul(gm({diffuseColor:Wn.rgb})))}indirect(e){const{ambientOcclusion:t,irradiance:r,reflectedLight:s}=e.context;s.indirectDiffuse.addAssign(r.mul(gm({diffuseColor:Wn}))),s.indirectDiffuse.mulAssign(t)}}const _y=new Be;class vy extends Dg{static get type(){return"MeshToonNodeMaterial"}constructor(e){super(),this.isMeshToonNodeMaterial=!0,this.lights=!0,this.setDefaultValues(_y),this.setValues(e)}setupLightingModel(){return new Ty}}const Ny=gn(()=>{const e=An(_c.z,0,_c.x.negate()).normalize(),t=_c.cross(e);return Sn(e.dot(Bc),t.dot(Bc)).mul(.495).add(.5)}).once(["NORMAL","VERTEX"])().toVar("matcapUV"),Sy=new Fe;class Ey extends Dg{static get type(){return"MeshMatcapNodeMaterial"}constructor(e){super(),this.isMeshMatcapNodeMaterial=!0,this.setDefaultValues(Sy),this.setValues(e)}setupVariants(e){const t=Ny;let r;r=e.material.matcap?rh("matcap","texture").context({getUV:()=>t}):An(xu(.2,.8,t.y)),Wn.rgb.mulAssign(r.rgb)}}class Ry extends fi{static get type(){return"RotateNode"}constructor(e,t){super(),this.positionNode=e,this.rotationNode=t}generateNodeType(e){return this.positionNode.getNodeType(e)}setup(e){const{rotationNode:t,positionNode:r}=this;if("vec2"===this.getNodeType(e)){const e=t.cos(),s=t.sin();return Dn(e,s,s.negate(),e).mul(r)}{const e=t,s=In(Fn(1,0,0,0),Fn(0,Fo(e.x),Mo(e.x).negate(),0),Fn(0,Mo(e.x),Fo(e.x),0),Fn(0,0,0,1)),i=In(Fn(Fo(e.y),0,Mo(e.y),0),Fn(0,1,0,0),Fn(Mo(e.y).negate(),0,Fo(e.y),0),Fn(0,0,0,1)),n=In(Fn(Fo(e.z),Mo(e.z).negate(),0,0),Fn(Mo(e.z),Fo(e.z),0,0),Fn(0,0,1,0),Fn(0,0,0,1));return s.mul(i).mul(n).mul(Fn(r,1)).xyz}}}const wy=un(Ry).setParameterLength(2),Ay=new Le;class Cy extends Dg{static get type(){return"SpriteNodeMaterial"}constructor(e){super(),this.isSpriteNodeMaterial=!0,this._useSizeAttenuation=!0,this.positionNode=null,this.rotationNode=null,this.scaleNode=null,this.transparent=!0,this.setDefaultValues(Ay),this.setValues(e)}setupPositionView(e){const{object:t,camera:r}=e,{positionNode:s,rotationNode:i,scaleNode:n,sizeAttenuation:a}=this,o=dc.mul(An(s||0));let u=Sn(sc[0].xyz.length(),sc[1].xyz.length());null!==n&&(u=u.mul(Sn(n))),r.isPerspectiveCamera&&!1===a&&(u=u.mul(o.z.negate()));let l=mc.xy;if(t.center&&!0===t.center.isVector2){const e=((e,t,r)=>new sl(e,t,r))("center","vec2",t);l=l.sub(e.sub(.5))}l=l.mul(u);const d=Tn(i||rp),c=wy(l,d);return Fn(o.xy.add(c),o.zw)}get sizeAttenuation(){return this._useSizeAttenuation}set sizeAttenuation(e){this._useSizeAttenuation!==e&&(this._useSizeAttenuation=e,this.needsUpdate=!0)}}const My=new Pe,By=new t;class Fy extends Cy{static get type(){return"PointsNodeMaterial"}constructor(e){super(),this.sizeNode=null,this.isPointsNodeMaterial=!0,this.setDefaultValues(My),this.setValues(e)}setupPositionView(){const{positionNode:e}=this;return dc.mul(An(e||fc)).xyz}setupVertexSprite(e){const{material:t,camera:r}=e,{rotationNode:s,scaleNode:i,sizeNode:n,sizeAttenuation:a}=this;let o=super.setupVertex(e);if(!0!==t.isNodeMaterial)return o;let u=null!==n?Sn(n):xp;u=u.mul(gd),r.isPerspectiveCamera&&!0===a&&(u=u.mul(Ly.div(Tc.z.negate()))),i&&i.isNode&&(u=u.mul(Sn(i)));let l=mc.xy;if(s&&s.isNode){const e=Tn(s);l=wy(l,e)}return l=l.mul(u),l=l.div(xd.div(2)),l=l.mul(o.w),o=o.add(Fn(l,0,0)),o}setupVertex(e){return e.object.isPoints?super.setupVertex(e):this.setupVertexSprite(e)}get alphaToCoverage(){return this._useAlphaToCoverage}set alphaToCoverage(e){this._useAlphaToCoverage!==e&&(this._useAlphaToCoverage=e,this.needsUpdate=!0)}}const Ly=Aa(1).onFrameUpdate(function({renderer:e}){const t=e.getSize(By);this.value=.5*t.y});class Py extends lm{constructor(){super(),this.shadowNode=Tn(1).toVar("shadowMask")}direct({lightNode:e}){null!==e.shadowNode&&this.shadowNode.mulAssign(e.shadowNode)}finish({context:e}){Wn.a.mulAssign(this.shadowNode.oneMinus()),e.outgoingLight.rgb.assign(Wn.rgb)}}const Uy=new Ue;class Dy extends Dg{static get type(){return"ShadowNodeMaterial"}constructor(e){super(),this.isShadowNodeMaterial=!0,this.lights=!0,this.transparent=!0,this.setDefaultValues(Uy),this.setValues(e)}setupLightingModel(){return new Py}}const Oy=zn("vec3"),Iy=zn("vec3"),Vy=zn("vec3");class ky extends lm{constructor(){super()}start(e){const{material:t}=e,r=zn("vec3"),s=zn("vec3"),i=zn("bool");yn(Hd.sub(bc).length().greaterThan(oc.mul(2)),()=>{r.assign(Hd),s.assign(bc),i.assign(!0)}).Else(()=>{r.assign(bc),s.assign(Hd),i.assign(!1)});const n=s.sub(r),a=Aa("int").onRenderUpdate(({material:e})=>e.steps),o=n.length().div(a).toVar(),u=n.normalize().toVar(),l=Tn(0).toVar(),d=An(1).toVar();t.offsetNode&&l.addAssign(t.offsetNode.mul(o)),Zp(a,()=>{const s=r.add(u.mul(l)),n=zd.mul(Fn(s,1)).xyz;let a,c;null!==t.depthNode&&(Iy.assign(Ag(vg(n.z,Id,Vd))),e.context.sceneDepthNode=Ag(t.depthNode).toVar()),e.context.positionWorld=s,e.context.shadowPositionWorld=s,e.context.positionView=n,Oy.assign(0),t.scatteringNode&&(a=t.scatteringNode({positionRay:s})),t.scatteringEmissiveNode&&(c=t.scatteringEmissiveNode({positionRay:s})),super.start(e),a&&Oy.mulAssign(a);const h=Oy.mul(.01).toVar();c&&h.addAssign(c.mul(.01));const p=Oy.mul(.01).negate().mul(o).exp();yn(i,()=>{Vy.addAssign(h.mul(d).mul(o))}).Else(()=>{Vy.assign(Vy.mul(p).add(h.mul(o)))}),d.mulAssign(p),l.addAssign(o)})}scatteringLight(e,t){const r=t.context.sceneDepthNode;r?yn(r.greaterThanEqual(Iy),()=>{Oy.addAssign(e)}):Oy.addAssign(e)}direct({lightNode:e,lightColor:t},r){if(void 0===e.light.distance)return;const s=t.xyz.toVar();null!==e.shadowNode&&s.mulAssign(e.shadowNode),this.scatteringLight(s,r)}directRectArea({lightColor:e,lightPosition:t,halfWidth:r,halfHeight:s},i){const n=t.add(r).sub(s),a=t.sub(r).sub(s),o=t.sub(r).add(s),u=t.add(r).add(s),l=i.context.positionView,d=e.xyz.mul($m({P:l,p0:n,p1:a,p2:o,p3:u})).pow(1.5);this.scatteringLight(d,i)}finish(e){e.context.outgoingLight.assign(Vy)}}class Gy extends Dg{static get type(){return"VolumeNodeMaterial"}constructor(e){super(),this.isVolumeNodeMaterial=!0,this.steps=25,this.offsetNode=null,this.scatteringNode=null,this.lights=!0,this.transparent=!0,this.side=L,this.depthTest=!1,this.depthWrite=!1,this.setValues(e)}setupLightingModel(){return new ky}}class zy{constructor(e,t,r){this.renderer=e,this.nodes=t,this.info=r,this._context="undefined"!=typeof self?self:null,this._animationLoop=null,this._requestId=null}start(){const e=(t,r)=>{this._requestId=this._context.requestAnimationFrame(e),!0===this.info.autoReset&&this.info.reset(),this.nodes.nodeFrame.update(),this.info.frame=this.nodes.nodeFrame.frameId,this.renderer._inspector.begin(),null!==this._animationLoop&&this._animationLoop(t,r),this.renderer._inspector.finish()};e()}stop(){null!==this._context&&this._context.cancelAnimationFrame(this._requestId),this._requestId=null}getAnimationLoop(){return this._animationLoop}setAnimationLoop(e){this._animationLoop=e}getContext(){return this._context}setContext(e){this._context=e}dispose(){this.stop()}}class $y{constructor(){this.weakMaps={}}_getWeakMap(e){const t=e.length;let r=this.weakMaps[t];return void 0===r&&(r=new WeakMap,this.weakMaps[t]=r),r}get(e){let t=this._getWeakMap(e);for(let r=0;r{this.dispose()},this.onGeometryDispose=()=>{this.attributes=null,this.attributesId=null},this.material.addEventListener("dispose",this.onMaterialDispose),this.geometry.addEventListener("dispose",this.onGeometryDispose),null!==this._sourceMaterial&&this._sourceMaterial.addEventListener("dispose",this.onMaterialDispose)}updateClipping(e){this.clippingContext=e}get clippingNeedsUpdate(){return null!==this.clippingContext&&this.clippingContext.cacheKey!==this.clippingContextCacheKey&&(this.clippingContextCacheKey=this.clippingContext.cacheKey,!0)}get hardwareClippingPlanes(){return!0===this.getNodeBuilderState().hardwareClipping?this.clippingContext.unionClippingCount:0}getNodeBuilderState(){return this._nodeBuilderState||(this._nodeBuilderState=this._nodes.getForRender(this))}getMonitor(){return this._monitor||(this._monitor=this.getNodeBuilderState().observer)}getBindings(){return this._bindings||(this._bindings=this.getNodeBuilderState().createBindings())}getBindingGroup(e){for(const t of this.getBindings())if(t.name===e)return t}getIndex(){return this._geometries.getIndex(this)}getIndirect(){return this._geometries.getIndirect(this)}getIndirectOffset(){return this._geometries.getIndirectOffset(this)}getChainArray(){return[this.object,this.material,this.context,this.lightsNode]}setGeometry(e){this.geometry=e,this.attributes=null,this.attributesId=null}getAttributes(){if(null!==this.attributes)return this.attributes;const e=this.getNodeBuilderState().nodeAttributes,t=this.geometry,r=[],s=new Set,i={};for(const n of e){let e;if(n.node&&n.node.attribute?e=n.node.attribute:(e=t.getAttribute(n.name),void 0!==e&&(e.isInterleavedBufferAttribute?i[n.name]=e.data.uuid:i[n.name]=e.id)),void 0===e)continue;r.push(e);const a=e.isInterleavedBufferAttribute?e.data:e;s.add(a)}return this.attributes=r,this.attributesId=i,this.vertexBuffers=Array.from(s.values()),r}getVertexBuffers(){return null===this.vertexBuffers&&this.getAttributes(),this.vertexBuffers}getDrawParameters(){const{object:e,material:t,geometry:r,group:s,drawRange:i}=this,n=this.drawParams||(this.drawParams={vertexCount:0,firstVertex:0,instanceCount:0,firstInstance:0}),a=this.getIndex(),o=null!==a;let u=1;if(!0===r.isInstancedBufferGeometry?u=r.instanceCount:void 0!==e.count&&(u=Math.max(0,e.count)),0===u)return null;if(n.instanceCount=u,!0===e.isBatchedMesh)return n;let l=1;!0!==t.wireframe||e.isPoints||e.isLineSegments||e.isLine||e.isLineLoop||(l=2);let d=i.start*l,c=(i.start+i.count)*l;null!==s&&(d=Math.max(d,s.start*l),c=Math.min(c,(s.start+s.count)*l));const h=r.attributes.position;let p=1/0;o?p=a.count:null!=h&&(p=h.count),d=Math.max(d,0),c=Math.min(c,p);const g=c-d;return g<0||g===1/0?null:(n.vertexCount=g,n.firstVertex=d,n)}getGeometryCacheKey(){const{geometry:e}=this;let t="";for(const r of Object.keys(e.attributes).sort()){const s=e.attributes[r];t+=r+",",s.data&&(t+=s.data.stride+","),s.offset&&(t+=s.offset+","),s.itemSize&&(t+=s.itemSize+","),s.normalized&&(t+="n,")}for(const r of Object.keys(e.morphAttributes).sort()){const s=e.morphAttributes[r];t+="morph-"+r+",";for(let e=0,r=s.length;e1)&&(s+=e.uuid+","),s+=this.context.id+",",s+=e.receiveShadow+",",Gs(s)}get needsGeometryUpdate(){if(this.geometry.id!==this.object.geometry.id)return!0;if(null!==this.attributes){const e=this.attributesId;for(const t in e){const r=this.geometry.getAttribute(t);if(void 0===r)return!0;const s=r.isInterleavedBufferAttribute?r.data.uuid:r.id;if(e[t]!==s)return!0}}return!1}get needsUpdate(){return this.initialNodesCacheKey!==this.getDynamicCacheKey()||this.clippingNeedsUpdate}getDynamicCacheKey(){let e=0;return!0!==this.material.isShadowPassMaterial&&(e=this._nodes.getCacheKey(this.scene,this.lightsNode)),this.camera.isArrayCamera&&(e=$s(e,this.camera.cameras.length)),this.object.receiveShadow&&(e=$s(e,1)),e=$s(e,this.renderer.contextNode.id,this.renderer.contextNode.version),e}getCacheKey(){return this.getMaterialCacheKey()+this.getDynamicCacheKey()}dispose(){this.material.removeEventListener("dispose",this.onMaterialDispose),this.geometry.removeEventListener("dispose",this.onGeometryDispose),null!==this._sourceMaterial&&this._sourceMaterial.removeEventListener("dispose",this.onMaterialDispose),this.onDispose()}}const qy=[];class Xy{constructor(e,t,r,s,i,n){this.renderer=e,this.nodes=t,this.geometries=r,this.pipelines=s,this.bindings=i,this.info=n,this.chainMaps={}}get(e,t,r,s,i,n,a,o){const u=this.getChainMap(o);qy[0]=e,qy[1]=t,qy[2]=n,qy[3]=i;let l=u.get(qy);return void 0===l?(l=this.createRenderObject(this.nodes,this.geometries,this.renderer,e,t,r,s,i,n,a,o),u.set(qy,l)):(l.camera=s,l.updateClipping(a),l.needsGeometryUpdate&&l.setGeometry(e.geometry),(l.version!==t.version||l.needsUpdate)&&(l.initialCacheKey!==l.getCacheKey()?(l.dispose(),l=this.get(e,t,r,s,i,n,a,o)):l.version=t.version)),qy[0]=null,qy[1]=null,qy[2]=null,qy[3]=null,l}getChainMap(e="default"){return this.chainMaps[e]||(this.chainMaps[e]=new $y)}dispose(){this.chainMaps={}}createRenderObject(e,t,r,s,i,n,a,o,u,l,d){const c=this.getChainMap(d),h=new jy(e,t,r,s,i,n,a,o,u,l);return h.onDispose=()=>{this.pipelines.delete(h),this.bindings.deleteForRender(h),this.nodes.delete(h),c.delete(h.getChainArray())},h}}class Yy{constructor(){this.data=new WeakMap}get(e){let t=this.data.get(e);return void 0===t&&(t={},this.data.set(e,t)),t}delete(e){let t=null;return this.data.has(e)&&(t=this.data.get(e),this.data.delete(e)),t}has(e){return this.data.has(e)}dispose(){this.data=new WeakMap}}const Qy=1,Ky=2,Zy=3,Jy=4,eb=16;class tb extends Yy{constructor(e,t){super(),this.backend=e,this.info=t}delete(e){const t=super.delete(e);return null!==t&&(this.backend.destroyAttribute(e),this.info.destroyAttribute(e)),t}update(e,t){const r=this.get(e);if(void 0===r.version)t===Qy?(this.backend.createAttribute(e),this.info.createAttribute(e)):t===Ky?(this.backend.createIndexAttribute(e),this.info.createIndexAttribute(e)):t===Zy?(this.backend.createStorageAttribute(e),this.info.createStorageAttribute(e)):t===Jy&&(this.backend.createIndirectStorageAttribute(e),this.info.createIndirectStorageAttribute(e)),r.version=this._getBufferAttribute(e).version;else{const t=this._getBufferAttribute(e);(r.version=65535?De:Oe)(t,1);return i.version=rb(e),i.__id=sb(e),i}class nb extends Yy{constructor(e,t){super(),this.attributes=e,this.info=t,this.wireframes=new WeakMap,this.attributeCall=new WeakMap,this._geometryDisposeListeners=new Map}has(e){const t=e.geometry;return super.has(t)&&!0===this.get(t).initialized}updateForRender(e){!1===this.has(e)&&this.initGeometry(e),this.updateAttributes(e)}initGeometry(e){const t=e.geometry;this.get(t).initialized=!0,this.info.memory.geometries++;const r=()=>{this.info.memory.geometries--;const s=t.index,i=e.getAttributes();null!==s&&this.attributes.delete(s);for(const e of i)this.attributes.delete(e);const n=this.wireframes.get(t);void 0!==n&&this.attributes.delete(n),t.removeEventListener("dispose",r),this._geometryDisposeListeners.delete(t)};t.addEventListener("dispose",r),this._geometryDisposeListeners.set(t,r)}updateAttributes(e){const t=e.getAttributes();for(const e of t)e.isStorageBufferAttribute||e.isStorageInstancedBufferAttribute?this.updateAttribute(e,Zy):this.updateAttribute(e,Qy);const r=this.getIndex(e);null!==r&&this.updateAttribute(r,Ky);const s=e.geometry.indirect;null!==s&&this.updateAttribute(s,Jy)}updateAttribute(e,t){const r=this.info.render.calls;e.isInterleavedBufferAttribute?void 0===this.attributeCall.get(e)?(this.attributes.update(e,t),this.attributeCall.set(e,r)):this.attributeCall.get(e.data)!==r&&(this.attributes.update(e,t),this.attributeCall.set(e.data,r),this.attributeCall.set(e,r)):this.attributeCall.get(e)!==r&&(this.attributes.update(e,t),this.attributeCall.set(e,r))}getIndirect(e){return e.geometry.indirect}getIndirectOffset(e){return e.geometry.indirectOffset}getIndex(e){const{geometry:t,material:r}=e;let s=t.index;if(!0===r.wireframe){const e=this.wireframes;let r=e.get(t);void 0===r?(r=ib(t),e.set(t,r)):r.version===rb(t)&&r.__id===sb(t)||(this.attributes.delete(r),r=ib(t),e.set(t,r)),s=r}return s}dispose(){for(const[e,t]of this._geometryDisposeListeners.entries())e.removeEventListener("dispose",t);this._geometryDisposeListeners.clear()}}class ab{constructor(){this.autoReset=!0,this.frame=0,this.calls=0,this.render={calls:0,frameCalls:0,drawCalls:0,triangles:0,points:0,lines:0,timestamp:0},this.compute={calls:0,frameCalls:0,timestamp:0},this.memory={attributes:0,attributesSize:0,geometries:0,indexAttributes:0,indexAttributesSize:0,indirectStorageAttributes:0,indirectStorageAttributesSize:0,programs:0,programsSize:0,readbackBuffers:0,readbackBuffersSize:0,renderTargets:0,storageAttributes:0,storageAttributesSize:0,textures:0,texturesSize:0,uniformBuffers:0,uniformBuffersSize:0,total:0},this.memoryMap=new Map}update(e,t,r){this.render.drawCalls++,e.isMesh||e.isSprite?this.render.triangles+=r*(t/3):e.isPoints?this.render.points+=r*t:e.isLineSegments?this.render.lines+=r*(t/2):e.isLine?this.render.lines+=r*(t-1):o("WebGPUInfo: Unknown object type.")}reset(){this.render.drawCalls=0,this.render.frameCalls=0,this.compute.frameCalls=0,this.render.triangles=0,this.render.points=0,this.render.lines=0}dispose(){this.reset(),this.calls=0,this.render.calls=0,this.compute.calls=0,this.render.timestamp=0,this.compute.timestamp=0;for(const e in this.memory)this.memory[e]=0;this.memoryMap.clear()}createTexture(e){const t=this._getTextureMemorySize(e);this.memoryMap.set(e,t),this.memory.textures++,this.memory.total+=t,this.memory.texturesSize+=t}destroyTexture(e){const t=this.memoryMap.get(e)||0;this.memoryMap.delete(e),this.memory.textures--,this.memory.total-=t,this.memory.texturesSize-=t}_createAttribute(e,t){const r=this._getAttributeMemorySize(e);this.memoryMap.set(e,{size:r,type:t}),this.memory[t]++,this.memory.total+=r,this.memory[t+"Size"]+=r}createAttribute(e){this._createAttribute(e,"attributes")}createIndexAttribute(e){this._createAttribute(e,"indexAttributes")}createStorageAttribute(e){this._createAttribute(e,"storageAttributes")}createIndirectStorageAttribute(e){this._createAttribute(e,"indirectStorageAttributes")}destroyAttribute(e){const t=this.memoryMap.get(e);t&&(this.memoryMap.delete(e),this.memory[t.type]--,this.memory.total-=t.size,this.memory[t.type+"Size"]-=t.size)}createReadbackBuffer(e){const t=e.maxByteLength;this.memoryMap.set(e,{size:t,type:"readbackBuffers"}),this.memory.readbackBuffers++,this.memory.total+=t,this.memory.readbackBuffersSize+=t}destroyReadbackBuffer(e){const{size:t}=this.memoryMap.get(e);this.memoryMap.delete(e),this.memory.readbackBuffers--,this.memory.total-=t,this.memory.readbackBuffersSize-=t}createUniformBuffer(e){const t=e.byteLength;this.memoryMap.set(e,{size:t,type:"uniformBuffers"}),this.memory.uniformBuffers++,this.memory.total+=t,this.memory.uniformBuffersSize+=t}destroyUniformBuffer(e){const t=this.memoryMap.get(e);t&&(this.memoryMap.delete(e),this.memory.uniformBuffers--,this.memory.total-=t.size,this.memory.uniformBuffersSize-=t.size)}createProgram(e){const t=e.code.length;this.memoryMap.set(e,t),this.memory.programs++,this.memory.total+=t,this.memory.programsSize+=t}destroyProgram(e){const t=this.memoryMap.get(e)||0;this.memoryMap.delete(e),this.memory.programs--,this.memory.total-=t,this.memory.programsSize-=t}_getTextureMemorySize(e){if(e.isCompressedTexture)return 1;let t=1;e.type===Ie||e.type===Ve?t=1:e.type===ke||e.type===Ge||e.type===Te?t=2:e.type!==E&&e.type!==S&&e.type!==Y||(t=4);let r=4;e.format===ze||e.format===$e||e.format===We||e.format===He||e.format===je?r=1:e.format===$||e.format===qe?r=2:e.format!==Xe&&e.format!==Ye||(r=3);let s=t*r;e.type===Qe||e.type===Ke?s=2:e.type!==Ze&&e.type!==Je&&e.type!==et||(s=4);const i=e.width||1,n=e.height||1,a=e.isCubeTexture?6:e.depth||1;let o=i*n*a*s;const u=e.mipmaps;if(u&&u.length>0){let e=0;for(let t=0;t>t))*(r.height||Math.max(1,n>>t))*a*s}}o+=e}else e.generateMipmaps&&(o*=1.333);return Math.round(o)}_getAttributeMemorySize(e){return e.isInterleavedBufferAttribute&&(e=e.data),e.array?e.array.byteLength:e.count&&e.itemSize?e.count*e.itemSize*4:0}}class ob{constructor(e){this.cacheKey=e,this.usedTimes=0}}class ub extends ob{constructor(e,t,r){super(e),this.vertexProgram=t,this.fragmentProgram=r}}class lb extends ob{constructor(e,t){super(e),this.computeProgram=t,this.isComputePipeline=!0}}let db=0;class cb{constructor(e,t,r,s=null,i=null){this.id=db++,this.code=e,this.stage=t,this.name=r,this.transforms=s,this.attributes=i,this.usedTimes=0}}class hb extends Yy{constructor(e,t,r){super(),this.backend=e,this.nodes=t,this.info=r,this.bindings=null,this.caches=new Map,this.programs={vertex:new Map,fragment:new Map,compute:new Map}}getForCompute(e,t){const{backend:r}=this,s=this.get(e);if(this._needsComputeUpdate(e)){const i=s.pipeline;i&&(i.usedTimes--,i.computeProgram.usedTimes--);const n=this.nodes.getForCompute(e);let a=this.programs.compute.get(n.computeShader);void 0===a&&(i&&0===i.computeProgram.usedTimes&&this._releaseProgram(i.computeProgram),a=new cb(n.computeShader,"compute",e.name,n.transforms,n.nodeAttributes),this.programs.compute.set(n.computeShader,a),r.createProgram(a),this.info.createProgram(a));const o=this._getComputeCacheKey(e,a);let u=this.caches.get(o);void 0===u&&(i&&0===i.usedTimes&&this._releasePipeline(i),u=this._getComputePipeline(e,a,o,t)),u.usedTimes++,a.usedTimes++,s.version=e.version,s.pipeline=u}return s.pipeline}getForRender(e,t=null){const{backend:r}=this,s=this.get(e);if(this._needsRenderUpdate(e)){const i=s.pipeline;i&&(i.usedTimes--,i.vertexProgram.usedTimes--,i.fragmentProgram.usedTimes--);const n=e.getNodeBuilderState(),a=e.material?e.material.name:"";let o=this.programs.vertex.get(n.vertexShader);void 0===o&&(i&&0===i.vertexProgram.usedTimes&&this._releaseProgram(i.vertexProgram),o=new cb(n.vertexShader,"vertex",a),this.programs.vertex.set(n.vertexShader,o),r.createProgram(o),this.info.createProgram(o));let u=this.programs.fragment.get(n.fragmentShader);void 0===u&&(i&&0===i.fragmentProgram.usedTimes&&this._releaseProgram(i.fragmentProgram),u=new cb(n.fragmentShader,"fragment",a),this.programs.fragment.set(n.fragmentShader,u),r.createProgram(u),this.info.createProgram(u));const l=this._getRenderCacheKey(e,o,u);let d=this.caches.get(l);void 0===d?(i&&0===i.usedTimes&&this._releasePipeline(i),d=this._getRenderPipeline(e,o,u,l,t)):e.pipeline=d,d.usedTimes++,o.usedTimes++,u.usedTimes++,s.pipeline=d}return s.pipeline}isReady(e){const t=this.get(e).pipeline;if(void 0===t)return!1;const r=this.backend.get(t);return void 0!==r.pipeline&&null!==r.pipeline}delete(e){const t=this.get(e).pipeline;return t&&(t.usedTimes--,0===t.usedTimes&&this._releasePipeline(t),t.isComputePipeline?(t.computeProgram.usedTimes--,0===t.computeProgram.usedTimes&&this._releaseProgram(t.computeProgram)):(t.fragmentProgram.usedTimes--,t.vertexProgram.usedTimes--,0===t.vertexProgram.usedTimes&&this._releaseProgram(t.vertexProgram),0===t.fragmentProgram.usedTimes&&this._releaseProgram(t.fragmentProgram))),super.delete(e)}dispose(){super.dispose(),this.caches=new Map,this.programs={vertex:new Map,fragment:new Map,compute:new Map}}updateForRender(e){this.getForRender(e)}_getComputePipeline(e,t,r,s){r=r||this._getComputeCacheKey(e,t);let i=this.caches.get(r);return void 0===i&&(i=new lb(r,t),this.caches.set(r,i),this.backend.createComputePipeline(i,s)),i}_getRenderPipeline(e,t,r,s,i){s=s||this._getRenderCacheKey(e,t,r);let n=this.caches.get(s);return void 0===n&&(n=new ub(s,t,r),this.caches.set(s,n),e.pipeline=n,this.backend.createRenderPipeline(e,i)),n}_getComputeCacheKey(e,t){return e.id+","+t.id}_getRenderCacheKey(e,t,r){return t.id+","+r.id+","+this.backend.getRenderCacheKey(e)}_releasePipeline(e){this.caches.delete(e.cacheKey)}_releaseProgram(e){const t=e.code,r=e.stage;this.programs[r].delete(t),this.info.destroyProgram(e)}_needsComputeUpdate(e){const t=this.get(e);return void 0===t.pipeline||t.version!==e.version}_needsRenderUpdate(e){return void 0===this.get(e).pipeline||this.backend.needsRenderUpdate(e)}}class pb extends Yy{constructor(e,t,r,s,i,n){super(),this.backend=e,this.textures=r,this.pipelines=i,this.attributes=s,this.nodes=t,this.info=n,this.pipelines.bindings=this}getForRender(e){const t=e.getBindings(),r=this.get(e);return!0!==r.initialized&&(this._createBindings(t),r.initialized=!0),t}getForCompute(e){const t=this.nodes.getForCompute(e).bindings,r=this.get(e);return!0===r.initialized&&r.bindings===t||(void 0!==r.bindings&&this._destroyBindings(r.bindings),this._createBindings(t),r.initialized=!0,r.bindings=t),t}updateForCompute(e){this._updateBindings(this.getForCompute(e))}updateForRender(e){this._updateBindings(this.getForRender(e))}deleteForCompute(e){const t=this.get(e).bindings||this.nodes.getForCompute(e).bindings;this._destroyBindings(t),this.delete(e)}deleteForRender(e){const t=e.getBindings();this._destroyBindings(t),this.delete(e)}_createBindings(e){for(const t of e){const r=this.get(t);if(void 0===r.bindGroup){for(const e of t.bindings)if(e.isUniformBuffer)this.backend.createUniformBuffer(e),this.info.createUniformBuffer(e);else if(e.isSampledTexture)this.textures.updateTexture(e.texture);else if(e.isSampler)this.textures.updateSampler(e);else if(e.isStorageBuffer){const t=e.attribute,r=t.isIndirectStorageBufferAttribute?Jy:Zy;this.attributes.update(t,r)}this.backend.createBindings(t,e,0),r.bindGroup=t,r.usedTimes=1}else r.usedTimes++}}_destroyBindings(e){for(const t of e){const e=this.get(t);if(e.usedTimes--,0===e.usedTimes){for(const e of t.bindings)e.isUniformBuffer?(this.backend.destroyUniformBuffer(e),this.info.destroyUniformBuffer(e),e.release()):e.isSampler&&(!0!==e.isSampledTexture&&this.backend.destroySampler(e),e.release());this.backend.deleteBindGroupData(t),this.delete(t)}}}_updateBindings(e){for(const t of e)this._update(t,e)}_update(e,t){const{backend:r}=this;let s=!1,i=!0,n=0,a=0;for(const t of e.bindings){if(!1!==this.nodes.updateGroup(t)){if(t.isStorageBuffer){const e=t.attribute,i=e.isIndirectStorageBufferAttribute?Jy:Zy,n=r.get(t);this.attributes.update(e,i),n.attribute!==e&&(n.attribute=e,s=!0)}if(t.isUniformBuffer){t.update()&&r.updateBinding(t)}else if(t.isSampledTexture){const o=t.update(),u=t.texture,l=this.textures.get(u);o&&(this.textures.updateTexture(u),t.generation!==l.generation&&(t.generation=l.generation,s=!0),l.bindGroups.add(e));if(void 0!==r.get(u).externalTexture||l.isDefaultTexture?i=!1:(n=10*n+u.id,a+=u.version),!0===u.isStorageTexture&&!0===u.mipmapsAutoUpdate){const e=this.get(u);!0===t.store?e.needsMipmap=!0:this.textures.needsMipmaps(u)&&!0===e.needsMipmap&&(this.backend.generateMipmaps(u),e.needsMipmap=!1)}}else if(t.isSampler){if(t.update()){const e=this.textures.updateSampler(t);t.samplerKey!==e&&(t.samplerKey=e,s=!0)}}t.isBuffer&&t.updateRanges.length>0&&t.clearUpdateRanges()}}!0===s&&this.backend.updateBindings(e,t,i?n:0,a)}}const gb=Object.freeze([]);function mb(e,t){return e.groupOrder!==t.groupOrder?e.groupOrder-t.groupOrder:e.renderOrder!==t.renderOrder?e.renderOrder-t.renderOrder:e.z!==t.z?e.z-t.z:e.id-t.id}function fb(e,t){return e.groupOrder!==t.groupOrder?e.groupOrder-t.groupOrder:e.renderOrder!==t.renderOrder?e.renderOrder-t.renderOrder:e.z!==t.z?t.z-e.z:e.id-t.id}function yb(e){return(e.transmission>0||e.transmissionNode&&e.transmissionNode.isNode)&&e.side===P&&!1===e.forceSinglePass}class bb{constructor(e,t,r){this.renderItems=[],this.renderItemsIndex=0,this.opaque=[],this.transparentDoublePass=[],this.transparent=[],this.bundles=[],this.lighting=e,this.lightsNode=e.getNode(t),this.lightsArray=[],this.scene=t,this.camera=r,this.occlusionQueryCount=0,this._lastOcclusionObject=null}begin(){return this.renderItemsIndex=0,this.opaque.length=0,this.transparentDoublePass.length=0,this.transparent.length=0,this.bundles.length=0,this.lightsArray.length=0,this.occlusionQueryCount=0,this}getNextRenderItem(e,t,r,s,i,n,a){let o=this.renderItems[this.renderItemsIndex];return void 0===o?(o={id:e.id,object:e,geometry:t,material:r,groupOrder:s,renderOrder:e.renderOrder,z:i,group:n,clippingContext:a},this.renderItems[this.renderItemsIndex]=o):(o.id=e.id,o.object=e,o.geometry=t,o.material=r,o.groupOrder=s,o.renderOrder=e.renderOrder,o.z=i,o.group=n,o.clippingContext=a),this.renderItemsIndex++,o}push(e,t,r,s,i,n,a){const o=this.getNextRenderItem(e,t,r,s,i,n,a);!0===e.occlusionTest&&this._lastOcclusionObject!==e&&(this.occlusionQueryCount++,this._lastOcclusionObject=e),!0===r.transparent||r.transmission>0||r.transmissionNode&&r.transmissionNode.isNode||r.backdropNode&&r.backdropNode.isNode?(yb(r)&&this.transparentDoublePass.push(o),this.transparent.push(o)):this.opaque.push(o)}unshift(e,t,r,s,i,n,a){const o=this.getNextRenderItem(e,t,r,s,i,n,a);!0===r.transparent||r.transmission>0||r.transmissionNode&&r.transmissionNode.isNode||r.backdropNode&&r.backdropNode.isNode?(yb(r)&&this.transparentDoublePass.unshift(o),this.transparent.unshift(o)):this.opaque.unshift(o)}pushBundle(e){this.bundles.push(e)}pushLight(e){this.lightsArray.push(e)}sort(e,t,r){this.opaque.length>1&&this.opaque.sort(e||mb),this.transparentDoublePass.length>1&&this.transparentDoublePass.sort(t||fb),this.transparent.length>1&&this.transparent.sort(t||fb),r&&(this.opaque.reverse(),this.transparentDoublePass.reverse(),this.transparent.reverse())}finish(){this.lightsNode.setLights(this.lighting.enabled?this.lightsArray:gb);for(let e=this.renderItemsIndex,t=this.renderItems.length;e>t,u=a.height>>t;let l=e.depthTexture||i[t];const d=!0===e.depthBuffer||!0===e.stencilBuffer;let c=!1;const h=void 0!==l&&void 0!==l.image&&l.image.depth>1,p=a.depth>1&&(e.useArrayDepthTexture||e.multiview||h);void 0===l&&d&&(l=new Z,l.format=e.stencilBuffer?je:He,l.type=e.stencilBuffer?Ze:S,l.image.width=o,l.image.height=u,l.image.depth=a.depth,l.renderTarget=e,i[t]=l),l&&(l.isArrayTexture=p),r.width===a.width&&a.height===r.height||(c=!0,l&&(l.needsUpdate=!0,l.image.width=o,l.image.height=u,l.image.depth=p?a.depth:1)),r.width=a.width,r.height=a.height,r.textures=n,r.depthTexture=l||null,r.depth=e.depthBuffer,r.stencil=e.stencilBuffer,r.renderTarget=e,r.sampleCount!==s&&(c=!0,l&&(l.needsUpdate=!0),r.sampleCount=s);const g={sampleCount:s};if(!0!==e.isXRRenderTarget){for(let e=0;e{this._destroyRenderTarget(e)},e.addEventListener("dispose",r.onDispose))}updateTexture(e,t={}){const r=this.get(e);if(!0===r.initialized&&r.version===e.version)return;const s=e.isRenderTargetTexture||e.isDepthTexture||e.isFramebufferTexture,i=this.backend;if(s&&!0===r.initialized&&i.destroyTexture(e),e.isFramebufferTexture){const t=this.renderer.getRenderTarget();e.type=t?t.texture.type:Ve}if(e.isHTMLTexture&&e.image){const t=this.renderer.domElement;if("requestPaint"in t){if(t.hasAttribute("layoutsubtree")||t.setAttribute("layoutsubtree","true"),e.image.parentNode!==t&&t.appendChild(e.image),0===this._htmlTextures.size){const e=this._htmlTextures;t.onpaint=t=>{const r=t&&t.changedElements;for(const t of e)r&&!r.includes(t.image)||(t.needsUpdate=!0)}}this._htmlTextures.add(e)}}const{width:n,height:a,depth:o}=this.getSize(e);if(t.width=n,t.height=a,t.depth=o,t.needsMipmaps=this.needsMipmaps(e),t.levels=t.needsMipmaps?this.getMipLevels(e,n,a):1,e.isCubeTexture&&e.mipmaps.length>0&&t.levels++,s||!0===e.isStorageTexture||!0===e.isExternalTexture)i.createTexture(e,t),r.generation=e.version;else if(e.version>0){const s=e.image;if(void 0===s)d("Renderer: Texture marked for update but image is undefined.");else if(!1===s.complete)d("Renderer: Texture marked for update but image is incomplete.");else{if(e.images){const r=[];for(const t of e.images)r.push(t);t.images=r}else t.image=s;void 0!==r.isDefaultTexture&&!0!==r.isDefaultTexture||(i.createTexture(e,t),r.isDefaultTexture=!1,r.generation=e.version),!0===e.source.dataReady&&i.updateTexture(e,t);const n=!0===e.isStorageTexture&&!1===e.mipmapsAutoUpdate;t.needsMipmaps&&0===e.mipmaps.length&&!n&&i.generateMipmaps(e),e.onUpdate&&e.onUpdate(e)}}else i.createDefaultTexture(e),r.isDefaultTexture=!0,r.generation=e.version;!0!==r.initialized&&(r.initialized=!0,r.generation=e.version,r.bindGroups=new Set,this.info.createTexture(e),e.isVideoTexture&&!0===p.enabled&&p.getTransfer(e.colorSpace)!==g&&d("WebGPURenderer: Video textures must use a color space with a sRGB transfer function, e.g. SRGBColorSpace."),r.onDispose=()=>{this._destroyTexture(e)},e.addEventListener("dispose",r.onDispose)),r.version=e.version}updateSampler(e){return this.backend.updateSampler(e)}getSize(e,t=Eb){let r=e.images?e.images[0]:e.image;return r?(void 0!==r.image&&(r=r.image),e.isHTMLTexture?(t.width=r.offsetWidth||1,t.height=r.offsetHeight||1,t.depth=1):"undefined"!=typeof HTMLVideoElement&&r instanceof HTMLVideoElement?(t.width=r.videoWidth||1,t.height=r.videoHeight||1,t.depth=1):"undefined"!=typeof VideoFrame&&r instanceof VideoFrame?(t.width=r.displayWidth||1,t.height=r.displayHeight||1,t.depth=1):(t.width=r.width||1,t.height=r.height||1,t.depth=e.isCubeTexture?6:r.depth||1)):t.width=t.height=t.depth=1,t}getMipLevels(e,t,r){let s;return s=e.mipmaps.length>0?e.mipmaps.length:!0===e.isCompressedTexture?1:Math.floor(Math.log2(Math.max(t,r)))+1,s}needsMipmaps(e){return!0===e.generateMipmaps||e.mipmaps.length>0}_destroyRenderTarget(e){if(!0===this.has(e)){const t=this.get(e),r=t.textures,s=t.depthTexture;e.removeEventListener("dispose",t.onDispose);for(let e=0;e{!0===t.isOverrideContextNode&&e.push(t.value.overrideNodes)});const t=new Map(e.flatMap(e=>Array.from(e.entries()))),r=super.getFlowContextData();return r.overrideNodes=t,r}}function Cb(e,t=null,r=null){if(t&&t.isNode){const e=t;t=()=>e}return new Ab(new Map([[e,t]]),r)}function Mb(e,t=null){const r=new Map;for(const[t,s]of e){const e=null!==s?"function"==typeof s?s:()=>s:null;r.set(t,e)}return new Ab(r,t)}Ai("overrideNode",(e,t,r)=>Cb(t,r,e)),Ai("overrideNodes",(e,t)=>Mb(t,e));class Bb extends Gn{static get type(){return"ParameterNode"}constructor(e,t=null){super(e,t),this.isParameterNode=!0}getMemberType(e,t){const r=this.getNodeType(e),s=e.getStructTypeNode(r);let i;return null!==s?i=s.getMemberType(e,t):(o(`TSL: Member "${t}" not found in struct "${r}".`,new Vs),i="float"),i}getHash(){return String(this.id)}generate(){return this.name}}class Fb extends pi{static get type(){return"StackNode"}constructor(e=null){super(),this.nodes=[],this.outputNode=null,this.parent=e,this._currentCond=null,this._expressionNode=null,this._currentNode=null,this._nodeDataLibrary=new Map,this.isStackNode=!0}getElementType(e){return this.outputNode?this.outputNode.getElementType(e):"void"}generateNodeType(e){return this.outputNode?this.outputNode.getNodeType(e):"void"}getMemberType(e,t){return this.outputNode?this.outputNode.getMemberType(e,t):"void"}addToStack(e,t=-1){if(!0!==e.isNode)return o("TSL: Invalid node added to stack.",new Vs),this;if(-1===t)if(this._currentNode){let e=this._nodeDataLibrary.get(this._currentNode);void 0===e&&(e={delta:0},this._nodeDataLibrary.set(this._currentNode,e)),e.delta++,t=this.nodes.indexOf(this._currentNode)+e.delta}else t=this.nodes.length;return this.nodes.splice(t,0,e),this}addToStackBefore(e){const t=this._currentNode?this.nodes.indexOf(this._currentNode):0;return this.addToStack(e,t)}If(e,t){const r=new rn(t);return this._currentCond=Fu(e,r),this.addToStack(this._currentCond)}ElseIf(e,t){const r=new rn(t),s=Fu(e,r);return this._currentCond.elseNode=s,this._currentCond=s,this}Else(e){return this._currentCond.elseNode=new rn(e),this}Switch(e){return this._expressionNode=sn(e),this}Case(...e){const t=[];if(e.length>=2)for(let r=0;r"string"==typeof t?{name:e,type:t,atomic:!1}:{name:e,type:t.type,atomic:t.atomic||!1})),this.name=t,this.isStructTypeNode=!0}getLength(){let e=1,t=0;for(const r of this.membersLayout){const s=r.type,i=Ys(s),n=Qs(s);e=Math.max(e,n);const a=t%e%n;0!==a&&(t+=n-a),t+=i}return Math.ceil(t/e)*e}getMemberType(e,t){const r=this.membersLayout.find(e=>e.name===t);return r?r.type:"void"}generateNodeType(e){return e.getStructTypeFromNode(this,this.membersLayout,this.name).name}setup(e){e.getStructTypeFromNode(this,this.membersLayout,this.name),e.addInclude(this)}generate(e){return this.getNodeType(e)}}class Ub extends pi{static get type(){return"StructNode"}constructor(e,t){super("vec3"),this.structTypeNode=e,this.values=t,this.isStructNode=!0}generateNodeType(e){return this.structTypeNode.getNodeType(e)}getMemberType(e,t){return this.structTypeNode.getMemberType(e,t)}_getChildren(){const e=super._getChildren(),t=e.find(e=>e.childNode===this.structTypeNode);return e.splice(e.indexOf(t),1),e.push(t),e}generate(e){const t=e.getVarFromNode(this),r=t.type,s=e.getPropertyName(t);return e.addLineFlowCode(`${s} = ${e.generateStruct(r,this.structTypeNode.membersLayout,this.values)}`,this),t.name}}class Db extends pi{static get type(){return"OutputStructNode"}constructor(...e){super(),this.members=e,this.isOutputStructNode=!0}generateNodeType(){return"OutputType"}generate(e){const t=e.getDataFromNode(this);if(void 0===t.membersLayout){const r=this.members,s=[];for(let t=0;tnew Wb(e,"uint","float"),qb={};class Xb extends uo{static get type(){return"BitcountNode"}constructor(e,t){super(e,t),this.isBitcountNode=!0}_resolveElementType(e,t,r){"int"===r?t.assign(Hb(e,"uint")):t.assign(e)}_returnDataNode(e){switch(e){case"uint":return vn;case"int":return _n;case"uvec2":return Rn;case"uvec3":return Mn;case"uvec4":return Pn;case"ivec2":return En;case"ivec3":return Cn;case"ivec4":return Ln}}_createTrailingZerosBaseLayout(e,t){const r=this._returnDataNode(t);return gn(([e])=>{const s=vn(0);this._resolveElementType(e,s,t);const i=Tn(s.bitAnd(Ho(s))),n=jb(i).shiftRight(23).sub(127);return r(n)}).setLayout({name:e,type:t,inputs:[{name:"value",type:t}]})}_createLeadingZerosBaseLayout(e,t){const r=this._returnDataNode(t);return gn(([e])=>{yn(e.equal(vn(0)),()=>vn(32));const s=vn(0),i=vn(0);return this._resolveElementType(e,s,t),yn(s.shiftRight(16).equal(0),()=>{i.addAssign(16),s.shiftLeftAssign(16)}),yn(s.shiftRight(24).equal(0),()=>{i.addAssign(8),s.shiftLeftAssign(8)}),yn(s.shiftRight(28).equal(0),()=>{i.addAssign(4),s.shiftLeftAssign(4)}),yn(s.shiftRight(30).equal(0),()=>{i.addAssign(2),s.shiftLeftAssign(2)}),yn(s.shiftRight(31).equal(0),()=>{i.addAssign(1)}),r(i)}).setLayout({name:e,type:t,inputs:[{name:"value",type:t}]})}_createOneBitsBaseLayout(e,t){const r=this._returnDataNode(t);return gn(([e])=>{const s=vn(0);this._resolveElementType(e,s,t),s.assign(s.sub(s.shiftRight(vn(1)).bitAnd(vn(1431655765)))),s.assign(s.bitAnd(vn(858993459)).add(s.shiftRight(vn(2)).bitAnd(vn(858993459))));const i=s.add(s.shiftRight(vn(4))).bitAnd(vn(252645135)).mul(vn(16843009)).shiftRight(vn(24));return r(i)}).setLayout({name:e,type:t,inputs:[{name:"value",type:t}]})}_createMainLayout(e,t,r,s){const i=this._returnDataNode(t);return gn(([e])=>{if(1===r)return i(s(e));{const t=i(0),n=["x","y","z","w"];for(let i=0;id(r))()}}Xb.COUNT_TRAILING_ZEROS="countTrailingZeros",Xb.COUNT_LEADING_ZEROS="countLeadingZeros",Xb.COUNT_ONE_BITS="countOneBits";const Yb=dn(Xb,Xb.COUNT_TRAILING_ZEROS).setParameterLength(1),Qb=dn(Xb,Xb.COUNT_LEADING_ZEROS).setParameterLength(1),Kb=dn(Xb,Xb.COUNT_ONE_BITS).setParameterLength(1),Zb=gn(([e])=>{const t=e.toUint().mul(747796405).add(2891336453),r=t.shiftRight(t.shiftRight(28).add(4)).bitXor(t).mul(277803737);return r.shiftRight(22).bitXor(r).toFloat().mul(1/2**32)}),Jb=(e,t)=>du(Va(4,e.mul(Ia(1,e))),t);class ex extends fi{static get type(){return"PackFloatNode"}constructor(e,t){super(),this.vectorNode=t,this.encoding=e,this.isPackFloatNode=!0}generateNodeType(){return"uint"}generate(e){const t=this.vectorNode.getNodeType(e);return`${e.getFloatPackingMethod(this.encoding)}(${this.vectorNode.build(e,t)})`}}const tx=dn(ex,"snorm").setParameterLength(1),rx=dn(ex,"unorm").setParameterLength(1),sx=dn(ex,"float16").setParameterLength(1);class ix extends fi{static get type(){return"UnpackFloatNode"}constructor(e,t){super(),this.uintNode=t,this.encoding=e,this.isUnpackFloatNode=!0}generateNodeType(){return"vec2"}generate(e){const t=this.uintNode.getNodeType(e);return`${e.getFloatUnpackingMethod(this.encoding)}(${this.uintNode.build(e,t)})`}}const nx=dn(ix,"snorm").setParameterLength(1),ax=dn(ix,"unorm").setParameterLength(1),ox=dn(ix,"float16").setParameterLength(1),ux=gn(([e])=>e.fract().sub(.5).abs()).setLayout({name:"tri",type:"float",inputs:[{name:"x",type:"float"}]}),lx=gn(([e])=>An(ux(e.z.add(ux(e.y.mul(1)))),ux(e.z.add(ux(e.x.mul(1)))),ux(e.y.add(ux(e.x.mul(1)))))).setLayout({name:"tri3",type:"vec3",inputs:[{name:"p",type:"vec3"}]}),dx=gn(([e,t,r])=>{const s=An(e).toVar(),i=Tn(1.4).toVar(),n=Tn(0).toVar(),a=An(s).toVar();return Zp({start:Tn(0),end:Tn(3),type:"float",condition:"<="},()=>{const e=An(lx(a.mul(2))).toVar();s.addAssign(e.add(r.mul(Tn(.1).mul(t)))),a.mulAssign(1.8),i.mulAssign(1.5),s.mulAssign(1.2);const o=Tn(ux(s.z.add(ux(s.x.add(ux(s.y)))))).toVar();n.addAssign(o.div(i)),a.addAssign(.14)}),n}).setLayout({name:"triNoise3D",type:"float",inputs:[{name:"position",type:"vec3"},{name:"speed",type:"float"},{name:"time",type:"float"}]});class cx extends pi{static get type(){return"FunctionOverloadingNode"}constructor(e=[],...t){super(),this.functionNodes=e,this.parametersNodes=t,this._candidateFn=null,this.global=!0}generateNodeType(e){return this.getCandidateFn(e).shaderNode.layout.type}getCandidateFn(e){const t=this.parametersNodes;let r=this._candidateFn;if(null===r){let s=null,i=-1;for(const r of this.functionNodes){const n=r.shaderNode.layout;if(null===n)throw new Error("THREE.FunctionOverloadingNode: FunctionNode must be a layout.");const a=n.inputs;if(t.length===a.length){let n=0;for(let r=0;ri&&(s=r,i=n)}}this._candidateFn=r=s}return r}setup(e){return this.getCandidateFn(e)(...this.parametersNodes)}}const hx=un(cx),px=e=>(...t)=>hx(e,...t),gx=Aa(0).setGroup(Ea).onRenderUpdate(e=>e.time),mx=Aa(0).setGroup(Ea).onRenderUpdate(e=>e.deltaTime),fx=Aa(0,"uint").setGroup(Ea).onRenderUpdate(e=>e.frameId);const yx=gn(([e,t,r=Sn(.5)])=>wy(e.sub(r),t).add(r)),bx=gn(([e,t,r=Sn(.5)])=>{const s=e.sub(r),i=s.dot(s),n=i.mul(i).mul(t);return e.add(s.mul(n))}),xx=gn(({position:e=null,horizontal:t=!0,vertical:r=!1})=>{let s;null!==e?(s=sc.toVar(),s[3][0]=e.x,s[3][1]=e.y,s[3][2]=e.z):s=sc;const i=zd.mul(s);return en(t)&&(i[0][0]=sc[0].length(),i[0][1]=0,i[0][2]=0),en(r)&&(i[1][0]=0,i[1][1]=sc[1].length(),i[1][2]=0),i[2][0]=0,i[2][1]=0,i[2][2]=1,kd.mul(i).mul(fc)}),Tx=gn(([e=null])=>{const t=Ag();return Ag(bg(e)).sub(t).lessThan(0).select(md,e)}),_x=gn(([e,t=ql(),r=Tn(0)])=>{const s=e.x,i=e.y,n=r.mod(s.mul(i)).floor(),a=n.mod(s),o=i.sub(n.add(1).div(s).ceil()),u=e.reciprocal(),l=Sn(a,o);return t.add(l).mul(u)}),vx=gn(([e,t=null,r=null,s=Tn(1),i=fc,n=wc])=>{let a=n.abs().normalize();a=a.div(a.dot(An(1)));const o=i.yz.mul(s),u=i.zx.mul(s),l=i.xy.mul(s),d=e.value,c=null!==t?t.value:d,h=null!==r?r.value:d,p=rd(d,o).mul(a.x),g=rd(c,u).mul(a.y),m=rd(h,l).mul(a.z);return Oa(p,g,m)}),Nx=new ut,Sx=new r,Ex=new r,Rx=new r,wx=new a,Ax=new r(0,0,-1),Cx=new s,Mx=new r,Bx=new r,Fx=new s,Lx=new t,Px=new ne,Ux=md.flipX();Px.depthTexture=new Z(1,1);let Dx=!1;class Ox extends ed{static get type(){return"ReflectorNode"}constructor(e={}){super(e.defaultTexture||Px.texture,Ux),this._reflectorBaseNode=e.reflector||new Ix(this,e),this._depthNode=null,this.setUpdateMatrix(!1)}get reflector(){return this._reflectorBaseNode}get target(){return this._reflectorBaseNode.target}getDepthNode(){if(null===this._depthNode){if(!0!==this._reflectorBaseNode.depth)throw new Error("THREE.ReflectorNode: Depth node can only be requested when the reflector is created with { depth: true }. ");this._depthNode=new Ox({defaultTexture:Px.depthTexture,reflector:this._reflectorBaseNode})}return this._depthNode}setup(e){return e.object.isQuadMesh||this._reflectorBaseNode.build(e),super.setup(e)}clone(){const e=new this.constructor(this.reflectorNode);return e.uvNode=this.uvNode,e.levelNode=this.levelNode,e.biasNode=this.biasNode,e.sampler=this.sampler,e.depthNode=this.depthNode,e.compareNode=this.compareNode,e.gradNode=this.gradNode,e.gatherNode=this.gatherNode,e.offsetNode=this.offsetNode,e._reflectorBaseNode=this._reflectorBaseNode,e}dispose(){super.dispose(),this._reflectorBaseNode.dispose()}}class Ix extends pi{static get type(){return"ReflectorBaseNode"}constructor(e,t={}){super();const{target:r=new at,resolutionScale:s=1,generateMipmaps:i=!1,bounces:n=!0,depth:a=!1,samples:o=0}=t;this.textureNode=e,this.target=r,this.resolutionScale=s,void 0!==t.resolution&&(v('ReflectorNode: The "resolution" parameter has been renamed to "resolutionScale".'),this.resolutionScale=t.resolution),this.generateMipmaps=i,this.bounces=n,this.depth=a,this.samples=o,this.updateBeforeType=n?ii.RENDER:ii.FRAME,this.virtualCameras=new WeakMap,this.renderTargets=new Map,this.forceUpdate=!1,this.hasOutput=!1}_updateResolution(e,t){const r=this.resolutionScale;t.getDrawingBufferSize(Lx),e.setSize(Math.round(Lx.width*r),Math.round(Lx.height*r))}setup(e){return this._updateResolution(Px,e.renderer),super.setup(e)}dispose(){super.dispose();for(const e of this.renderTargets.values())e.dispose()}getVirtualCamera(e){let t=this.virtualCameras.get(e);return void 0===t&&(t=e.clone(),this.virtualCameras.set(e,t)),t}getRenderTarget(e){let t=this.renderTargets.get(e);return void 0===t&&(t=new ne(0,0,{type:Te,samples:this.samples}),!0===this.generateMipmaps&&(t.texture.minFilter=ot,t.texture.generateMipmaps=!0),!0===this.depth&&(t.depthTexture=new Z),this.renderTargets.set(e,t)),t}updateBefore(e){if(!1===this.bounces&&Dx)return!1;Dx=!0;const{scene:t,camera:r,renderer:s,material:i}=e,{target:n}=this,a=this.getVirtualCamera(r),o=this.getRenderTarget(a);s.getDrawingBufferSize(Lx),this._updateResolution(o,s),Ex.setFromMatrixPosition(n.matrixWorld),Rx.setFromMatrixPosition(r.matrixWorld),wx.extractRotation(n.matrixWorld),Sx.set(0,0,1),Sx.applyMatrix4(wx),Mx.subVectors(Ex,Rx);let u=!1;if(!0===Mx.dot(Sx)>0&&!1===this.forceUpdate){if(!1===this.hasOutput)return void(Dx=!1);u=!0}Mx.reflect(Sx).negate(),Mx.add(Ex),wx.extractRotation(r.matrixWorld),Ax.set(0,0,-1),Ax.applyMatrix4(wx),Ax.add(Rx),Bx.subVectors(Ex,Ax),Bx.reflect(Sx).negate(),Bx.add(Ex),a.coordinateSystem=r.coordinateSystem,a.position.copy(Mx),a.up.set(0,1,0),a.up.applyMatrix4(wx),a.up.reflect(Sx),a.lookAt(Bx),a.near=r.near,a.far=r.far,a.updateMatrixWorld(),a.projectionMatrix.copy(r.projectionMatrix),Nx.setFromNormalAndCoplanarPoint(Sx,Ex),Nx.applyMatrix4(a.matrixWorldInverse),Cx.set(Nx.normal.x,Nx.normal.y,Nx.normal.z,Nx.constant);const l=a.projectionMatrix;Fx.x=(Math.sign(Cx.x)+l.elements[8])/l.elements[0],Fx.y=(Math.sign(Cx.y)+l.elements[9])/l.elements[5],Fx.z=-1,Fx.w=(1+l.elements[10])/l.elements[14],Cx.multiplyScalar(1/Cx.dot(Fx));l.elements[2]=Cx.x,l.elements[6]=Cx.y,l.elements[10]=s.coordinateSystem===h?Cx.z-0:Cx.z+1-0,l.elements[14]=Cx.w,this.textureNode.value=o.texture,!0===this.depth&&(this.textureNode.getDepthNode().value=o.depthTexture),i.visible=!1;const d=s.getRenderTarget(),c=s.getMRT(),p=s.autoClear;s.setMRT(null),s.setRenderTarget(o),s.autoClear=!0;const g=t.name;t.name=(t.name||"Scene")+" [ Reflector ]",u?(s.clear(),this.hasOutput=!1):(s.render(t,a),this.hasOutput=!0),t.name=g,s.setMRT(c),s.setRenderTarget(d),s.autoClear=p,i.visible=!0,Dx=!1,this.forceUpdate=!1}get resolution(){return v('ReflectorNode: The "resolution" property has been renamed to "resolutionScale".'),this.resolutionScale}set resolution(e){v('ReflectorNode: The "resolution" property has been renamed to "resolutionScale".'),this.resolutionScale=e}}const Vx=new Ne(-1,1,1,-1,0,1);class kx extends ve{constructor(e=!1){super();const t=!1===e?[0,-1,0,1,2,1]:[0,2,0,0,2,0];this.setAttribute("position",new lt([-1,3,0,-1,-1,0,3,-1,0],3)),this.setAttribute("uv",new lt(t,2))}}const Gx=new kx;class zx extends oe{constructor(e=null){super(Gx,e),this.camera=Vx,this.isQuadMesh=!0}async renderAsync(e){v('QuadMesh: "renderAsync()" has been deprecated. Use "render()" and "await renderer.init();" when creating the renderer.'),await e.init(),e.render(this,Vx)}render(e){e.render(this,Vx)}}const $x=new t;class Wx extends ed{static get type(){return"RTTNode"}constructor(e,t=null,r=null,s={type:Te}){const i=new ne(t,r,s);super(i.texture,ql()),this.isRTTNode=!0,this.node=e,this.width=t,this.height=r,this.renderTarget=i,this.textureNeedsUpdate=!0,this.autoUpdate=!0,this._resolutionScale=1,this._rttNode=null,this._quadMesh=new zx(new Dg),this.updateBeforeType=ii.RENDER}get autoResize(){return null===this.width}setup(e){return this._rttNode=this.node.context(e.getSharedContext()),this._quadMesh.material.name="RTT",this._quadMesh.material.needsUpdate=!0,super.setup(e)}setSize(e,t){const r=Math.floor(e*this._resolutionScale),s=Math.floor(t*this._resolutionScale);this.renderTarget.setSize(r,s),this.textureNeedsUpdate=!0}setResolutionScale(e){return this._resolutionScale=e,!1===this.autoResize&&this.setSize(this.width,this.height),this}getResolutionScale(){return this._resolutionScale}updateBefore({renderer:e}){if(!1===this.textureNeedsUpdate&&!1===this.autoUpdate)return;this.textureNeedsUpdate=!1;const t=e.getRenderTarget();if(!0===this.autoResize){const t=e.getDrawingBufferSize($x),r=Math.floor(t.width*this._resolutionScale),s=Math.floor(t.height*this._resolutionScale);r===this.renderTarget.width&&s===this.renderTarget.height||(this.renderTarget.setSize(r,s),this.textureNeedsUpdate=!0)}let r="RTT";this.node.name&&(r=this.node.name+" [ "+r+" ]"),this._quadMesh.material.fragmentNode=this._rttNode,this._quadMesh.name=r,e.setRenderTarget(this.renderTarget),this._quadMesh.render(e),e.setRenderTarget(t)}clone(){const e=new ed(this.value,this.uvNode,this.levelNode);return e.sampler=this.sampler,e.referenceNode=this,e}}const Hx=(e,...t)=>new Wx(sn(e),...t),jx=gn(([e,t,r],s)=>{let i;s.renderer.coordinateSystem===h?(e=Sn(e.x,e.y.oneMinus()).mul(2).sub(1),i=Fn(An(e,t),1)):i=Fn(An(e.x,e.y.oneMinus(),t).mul(2).sub(1),1);const n=Fn(r.mul(i));return n.xyz.div(n.w)}),qx=gn(([e,t])=>{const r=t.mul(Fn(e,1)),s=r.xy.div(r.w).mul(.5).add(.5).toVar();return Sn(s.x,s.y.oneMinus())}),Xx=gn(([e,t,r])=>{const s=Yl(sd(t)),i=En(e.mul(s)).toVar(),n=sd(t,i).toVar(),a=sd(t,i.sub(En(2,0))).toVar(),o=sd(t,i.sub(En(1,0))).toVar(),u=sd(t,i.add(En(1,0))).toVar(),l=sd(t,i.add(En(2,0))).toVar(),d=sd(t,i.add(En(0,2))).toVar(),c=sd(t,i.add(En(0,1))).toVar(),h=sd(t,i.sub(En(0,1))).toVar(),p=sd(t,i.sub(En(0,2))).toVar(),g=zo(Ia(Tn(2).mul(o).sub(a),n)).toVar(),m=zo(Ia(Tn(2).mul(u).sub(l),n)).toVar(),f=zo(Ia(Tn(2).mul(c).sub(d),n)).toVar(),y=zo(Ia(Tn(2).mul(h).sub(p),n)).toVar(),b=jx(e,n,r).toVar(),x=g.lessThan(m).select(b.sub(jx(e.sub(Sn(Tn(1).div(s.x),0)),o,r)),b.negate().add(jx(e.add(Sn(Tn(1).div(s.x),0)),u,r))),T=f.lessThan(y).select(b.sub(jx(e.add(Sn(0,Tn(1).div(s.y))),c,r)),b.negate().add(jx(e.sub(Sn(0,Tn(1).div(s.y))),h,r)));return Ao(lu(x,T))}),Yx=gn(([e])=>Co(Tn(52.9829189).mul(Co(uu(e,Sn(.06711056,.00583715)))))).setLayout({name:"interleavedGradientNoise",type:"float",inputs:[{name:"position",type:"vec2"}]}),Qx=gn(([e,t,r])=>{const s=Tn(2.399963229728653),i=So(Tn(e).add(.5).div(Tn(t))),n=Tn(e).mul(s).add(r);return Sn(Fo(n),Mo(n)).mul(i)}).setLayout({name:"vogelDiskSample",type:"vec2",inputs:[{name:"sampleIndex",type:"int"},{name:"samplesCount",type:"int"},{name:"phi",type:"float"}]});class Kx extends pi{static get type(){return"SampleNode"}constructor(e,t=null){super(),this.callback=e,this.uvNode=t,this.isSampleNode=!0}setup(){return this.sample(ql())}sample(e){return this.callback(e)}}class Zx extends j{constructor(e,t,r=Float32Array){super(ArrayBuffer.isView(e)?e:new r(e*t),t),this.isStorageInstancedBufferAttribute=!0}}class Jx extends Ae{constructor(e,t,r=Float32Array){super(ArrayBuffer.isView(e)?e:new r(e*t),t),this.isStorageBufferAttribute=!0}}class eT extends pi{static get type(){return"PointUVNode"}constructor(){super("vec2"),this.isPointUVNode=!0}generate(){return"vec2( gl_PointCoord.x, 1.0 - gl_PointCoord.y )"}}const tT=ln(eT),rT=new a,sT=Aa(0).setGroup(Ea).onRenderUpdate(({scene:e})=>e.backgroundBlurriness),iT=Aa(1).setGroup(Ea).onRenderUpdate(({scene:e})=>e.backgroundIntensity),nT=Aa(new a).setGroup(Ea).onRenderUpdate(({scene:e})=>{const t=e.background;return null!==t&&t.isTexture&&t.mapping!==dt?rT.makeRotationFromEuler(e.backgroundRotation).transpose():rT.identity(),rT});class aT extends ed{static get type(){return"StorageTextureNode"}constructor(e,t,r=null){super(e,t),this.storeNode=r,this.mipLevel=0,this.isStorageTextureNode=!0,this.access=ai.WRITE_ONLY}getInputType(){return"storageTexture"}getTransformedUV(e){return e}setup(e){super.setup(e);const t=e.getNodeProperties(this);return t.storeNode=this.storeNode,t}setAccess(e){return this.access=e,this}setMipLevel(e){return this.mipLevel=e,this}generate(e,t){return null!==this.storeNode?(this.generateStore(e),""):super.generate(e,t)}generateSnippet(e,t,r,s,i,n,a,o,u){const l=this.value;return e.generateStorageTextureLoad(l,t,r,s,n,u)}toReadWrite(){return this.setAccess(ai.READ_WRITE)}toReadOnly(){return this.setAccess(ai.READ_ONLY)}toWriteOnly(){return this.setAccess(ai.WRITE_ONLY)}store(e,t){const r=this.clone();return r.referenceNode=this.getBase(),r.uvNode=e,r.storeNode=t,null!==t&&r.toStack(),r}generateStore(e){const t=e.getNodeProperties(this),{uvNode:r,storeNode:s,depthNode:i}=t,n=super.generate(e,"property"),a=r.build(e,!0===this.value.is3DTexture?"uvec3":"uvec2"),o=s.build(e,"vec4"),u=i?i.build(e,"int"):null,l=e.generateTextureStore(this.value,n,a,u,o);e.addLineFlowCode(l,this)}clone(){const e=super.clone();return e.storeNode=this.storeNode,e.mipLevel=this.mipLevel,e.access=this.access,e}}const oT=un(aT).setParameterLength(1,3);class uT extends aT{static get type(){return"StorageTexture3DNode"}constructor(e,t,r=null){super(e,t,r),this.isStorageTexture3DNode=!0}getDefaultUV(){return An(.5,.5,.5)}setUpdateMatrix(){}generateUV(e,t){return t.build(e,!0===this.sampler?"vec3":"ivec3")}generateOffset(e,t){return t.build(e,"ivec3")}}const lT=un(uT).setParameterLength(1,3),dT=gn(({texture:e,uv:t})=>{const r=1e-4,s=An().toVar();return yn(t.x.lessThan(r),()=>{s.assign(An(1,0,0))}).ElseIf(t.y.lessThan(r),()=>{s.assign(An(0,1,0))}).ElseIf(t.z.lessThan(r),()=>{s.assign(An(0,0,1))}).ElseIf(t.x.greaterThan(.9999),()=>{s.assign(An(-1,0,0))}).ElseIf(t.y.greaterThan(.9999),()=>{s.assign(An(0,-1,0))}).ElseIf(t.z.greaterThan(.9999),()=>{s.assign(An(0,0,-1))}).Else(()=>{const r=.01,i=e.sample(t.add(An(-.01,0,0))).r.sub(e.sample(t.add(An(r,0,0))).r),n=e.sample(t.add(An(0,-.01,0))).r.sub(e.sample(t.add(An(0,r,0))).r),a=e.sample(t.add(An(0,0,-.01))).r.sub(e.sample(t.add(An(0,0,r))).r);s.assign(An(i,n,a))}),s.normalize()});class cT extends ed{static get type(){return"Texture3DNode"}constructor(e,t=null,r=null){super(e,t,r),this.isTexture3DNode=!0}getInputType(){return"texture3D"}getDefaultUV(){return An(.5,.5,.5)}setUpdateMatrix(){}generateUV(e,t){return t.build(e,!0===this.sampler?"vec3":"ivec3")}generateOffset(e,t){return t.build(e,"ivec3")}normal(e){return dT({texture:this,uv:e})}}const hT=un(cT).setParameterLength(1,3);class pT extends Zc{static get type(){return"UserDataNode"}constructor(e,t,r=null){super(e,t,r),this.userData=r}updateReference(e){return this.reference=null!==this.userData?this.userData:e.object.userData,this.reference}}const gT=new WeakMap;class mT extends fi{static get type(){return"VelocityNode"}constructor(){super("vec2"),this.projectionMatrix=null,this.updateType=ii.OBJECT,this.updateAfterType=ii.OBJECT,this.previousModelWorldMatrix=Aa(new a),this.previousProjectionMatrix=Aa(new a).setGroup(Ea),this.previousCameraViewMatrix=Aa(new a)}setProjectionMatrix(e){this.projectionMatrix=e}update({frameId:e,camera:t,object:r}){const s=yT(r);this.previousModelWorldMatrix.value.copy(s);const i=fT(t);i.frameId!==e&&(i.frameId=e,void 0===i.previousProjectionMatrix?(i.previousProjectionMatrix=new a,i.previousCameraViewMatrix=new a,i.currentProjectionMatrix=new a,i.currentCameraViewMatrix=new a,i.previousProjectionMatrix.copy(this.projectionMatrix||t.projectionMatrix),i.previousCameraViewMatrix.copy(t.matrixWorldInverse)):(i.previousProjectionMatrix.copy(i.currentProjectionMatrix),i.previousCameraViewMatrix.copy(i.currentCameraViewMatrix)),i.currentProjectionMatrix.copy(this.projectionMatrix||t.projectionMatrix),i.currentCameraViewMatrix.copy(t.matrixWorldInverse),this.previousProjectionMatrix.value.copy(i.previousProjectionMatrix),this.previousCameraViewMatrix.value.copy(i.previousCameraViewMatrix))}updateAfter({object:e}){yT(e).copy(e.matrixWorld)}setup(){const e=null===this.projectionMatrix?kd:Aa(this.projectionMatrix),t=this.previousCameraViewMatrix.mul(this.previousModelWorldMatrix),r=e.mul(dc).mul(fc),s=this.previousProjectionMatrix.mul(t).mul(yc),i=r.xy.div(r.w),n=s.xy.div(s.w);return Ia(i,n)}}function fT(e){let t=gT.get(e);return void 0===t&&(t={},gT.set(e,t)),t}function yT(e,t=0){const r=fT(e);let s=r[t];return void 0===s&&(r[t]=s=new a,r[t].copy(e.matrixWorld)),s}const bT=ln(mT),xT=gn(([e,t])=>ru(1,e.oneMinus().div(t)).oneMinus()).setLayout({name:"blendBurn",type:"vec3",inputs:[{name:"base",type:"vec3"},{name:"blend",type:"vec3"}]}),TT=gn(([e,t])=>ru(e.div(t.oneMinus()),1)).setLayout({name:"blendDodge",type:"vec3",inputs:[{name:"base",type:"vec3"},{name:"blend",type:"vec3"}]}),_T=gn(([e,t])=>e.oneMinus().mul(t.oneMinus()).oneMinus()).setLayout({name:"blendScreen",type:"vec3",inputs:[{name:"base",type:"vec3"},{name:"blend",type:"vec3"}]}),vT=gn(([e,t])=>xu(e.mul(2).mul(t),e.oneMinus().mul(2).mul(t.oneMinus()).oneMinus(),iu(.5,e))).setLayout({name:"blendOverlay",type:"vec3",inputs:[{name:"base",type:"vec3"},{name:"blend",type:"vec3"}]}),NT=gn(([e,t])=>{const r=t.a.add(e.a.mul(t.a.oneMinus()));return Fn(t.rgb.mul(t.a).add(e.rgb.mul(e.a).mul(t.a.oneMinus())).div(r),r)}).setLayout({name:"blendColor",type:"vec4",inputs:[{name:"base",type:"vec4"},{name:"blend",type:"vec4"}]}),ST=gn(([e])=>AT(e.rgb)),ET=gn(([e,t=Tn(1)])=>t.mix(AT(e.rgb),e.rgb).max(0)),RT=gn(([e,t=Tn(0)])=>{const r=Oa(e.r,e.g,e.b).div(3),s=e.r.max(e.g.max(e.b)),i=s.sub(r).mul(t).mul(-3);return xu(e.rgb,s,i).max(0)}),wT=gn(([e,t=Tn(1)])=>{const r=An(.57735,.57735,.57735),s=t.cos();return An(e.rgb.mul(s).add(r.cross(e.rgb).mul(t.sin()).add(r.mul(uu(r,e.rgb).mul(s.oneMinus()))))).max(0)}),AT=(e,t=An(p.getLuminanceCoefficients(new r)))=>uu(e,t),CT=gn(([e,t=An(1),s=An(0),i=An(1),n=Tn(1),a=An(p.getLuminanceCoefficients(new r,Ee))])=>{const o=e.rgb.dot(An(a)),u=su(e.rgb.mul(t).add(s),0),l=u.pow(i);return yn(u.r.greaterThan(0),()=>{u.r.assign(l.r)}),yn(u.g.greaterThan(0),()=>{u.g.assign(l.g)}),yn(u.b.greaterThan(0),()=>{u.b.assign(l.b)}),u.assign(o.add(u.sub(o).mul(n)).max(0)),Fn(u.rgb,e.a)}),MT=gn(([e,t])=>e.mul(t).floor().div(t));let BT=null;class FT extends cg{static get type(){return"ViewportSharedTextureNode"}constructor(e=md,t=null){null===BT&&(BT=new Q),super(e,t,BT)}getTextureForReference(){return BT}updateReference(){return this}}const LT=un(FT).setParameterLength(0,2),PT=new t;class UT extends ed{static get type(){return"PassTextureNode"}constructor(e,t){super(t),this.passNode=e,this.isPassTextureNode=!0,this.setUpdateMatrix(!1)}setup(e){return e.getNodeProperties(this).passNode=this.passNode,super.setup(e)}clone(){return new this.constructor(this.passNode,this.value)}}class DT extends UT{static get type(){return"PassMultipleTextureNode"}constructor(e,t,r=!1){super(e,null),this.textureName=t,this.previousTexture=r,this.isPassMultipleTextureNode=!0}updateTexture(){this.value=this.previousTexture?this.passNode.getPreviousTexture(this.textureName):this.passNode.getTexture(this.textureName)}setup(e){return this.updateTexture(),super.setup(e)}clone(){const e=new this.constructor(this.passNode,this.textureName,this.previousTexture);return e.uvNode=this.uvNode,e.levelNode=this.levelNode,e.biasNode=this.biasNode,e.sampler=this.sampler,e.depthNode=this.depthNode,e.compareNode=this.compareNode,e.gradNode=this.gradNode,e.gatherNode=this.gatherNode,e.offsetNode=this.offsetNode,e}}class OT extends fi{static get type(){return"PassNode"}constructor(e,t,r,s={}){super("vec4"),this.scope=e,this.scene=t,this.camera=r,this.options=s,this._width=1,this._height=1;const i=new ne(this._width,this._height,{type:Te,...s});i.texture.name="output";let n=null;this.scope!==OT.DEPTH&&!1===s.depthBuffer||(n=new Z,n.isRenderTargetTexture=!0,n.name="depth",i.depthTexture=n),this.renderTarget=i,this.overrideMaterial=null,this.transparent=!0,this.opaque=!0,this.contextNode=null,this._contextNodeCache=null,this._textures={output:i.texture},null!==n&&(this._textures.depth=n),this._textureNodes={},this._linearDepthNodes={},this._viewZNodes={},this._previousTextures={},this._previousTextureNodes={},this._cameraNear=Aa(0),this._cameraFar=Aa(0),this._mrt=null,this._layers=null,this._resolutionScale=1,this._viewport=null,this._scissor=null,this.isPassNode=!0,this.updateBeforeType=ii.FRAME,this.global=!0}setResolutionScale(e){return this._resolutionScale=e,this}getResolutionScale(){return this._resolutionScale}setResolution(e){return d("PassNode: .setResolution() is deprecated. Use .setResolutionScale() instead."),this.setResolutionScale(e)}getResolution(){return d("PassNode: .getResolution() is deprecated. Use .getResolutionScale() instead."),this.getResolutionScale()}setLayers(e){return this._layers=e,this}getLayers(){return this._layers}setMRT(e){return this._mrt=e,this}getMRT(){return this._mrt}getTexture(e){let t=this._textures[e];if(void 0===t){if("depth"===e)throw new Error("THREE.PassNode: Depth texture is not available for this pass.");t=this.renderTarget.texture.clone(),t.name=e,this._textures[e]=t,this.renderTarget.textures.push(t)}return t}getPreviousTexture(e){let t=this._previousTextures[e];return void 0===t&&(t=this.getTexture(e).clone(),this._previousTextures[e]=t),t}toggleTexture(e){const t=this._previousTextures[e];if(void 0!==t){const r=this._textures[e],s=this.renderTarget.textures.indexOf(r);this.renderTarget.textures[s]=t,this._textures[e]=t,this._previousTextures[e]=r,this._textureNodes[e].updateTexture(),this._previousTextureNodes[e].updateTexture()}}getTextureNode(e="output"){let t=this._textureNodes[e];return void 0===t&&(t=new DT(this,e),t.updateTexture(),this._textureNodes[e]=t),t}getPreviousTextureNode(e="output"){let t=this._previousTextureNodes[e];return void 0===t&&(void 0===this._textureNodes[e]&&this.getTextureNode(e),t=new DT(this,e,!0),t.updateTexture(),this._previousTextureNodes[e]=t),t}getViewZNode(e="depth"){let t=this._viewZNodes[e];if(void 0===t){const r=this._cameraNear,s=this._cameraFar;this._viewZNodes[e]=t=Sg(this.getTextureNode(e),r,s)}return t}getLinearDepthNode(e="depth"){let t=this._linearDepthNodes[e];if(void 0===t){const r=this._cameraNear,s=this._cameraFar,i=this.getViewZNode(e);this._linearDepthNodes[e]=t=Tg(i,r,s)}return t}async compileAsync(e){const t=e.getRenderTarget(),r=e.getMRT();e.setRenderTarget(this.renderTarget),e.setMRT(this._mrt),await e.compileAsync(this.scene,this.camera),e.setRenderTarget(t),e.setMRT(r)}setup({renderer:e}){return this.renderTarget.samples=void 0===this.options.samples?e.samples:this.options.samples,this.renderTarget.texture.type=e.getOutputBufferType(),!0===e.reversedDepthBuffer&&null!==this.renderTarget.depthTexture&&(this.renderTarget.depthTexture.type=Y),this.scope===OT.COLOR?this.getTextureNode():this.getLinearDepthNode()}updateBefore(e){const{renderer:t}=e,{scene:r}=this;let s;const i=t.getOutputRenderTarget();i&&!0===i.isXRRenderTarget?(s=t.xr.getCamera(),t.xr.updateCamera(s),PT.set(i.width,i.height)):(s=this.camera,t.getDrawingBufferSize(PT)),this.setSize(PT.width,PT.height);const n=t.getRenderTarget(),a=t.getMRT(),o=t.autoClear,u=t.transparent,l=t.opaque,d=s.layers.mask,c=t.contextNode,h=r.overrideMaterial;this._cameraNear.value=s.near,this._cameraFar.value=s.far,null!==this._layers&&(s.layers.mask=this._layers.mask);for(const e in this._previousTextures)this.toggleTexture(e);null!==this.overrideMaterial&&(r.overrideMaterial=this.overrideMaterial),t.setRenderTarget(this.renderTarget),t.setMRT(this._mrt),t.autoClear=!0,t.transparent=this.transparent,t.opaque=this.opaque,null!==this.contextNode&&(null!==this._contextNodeCache&&this._contextNodeCache.version===this.version||(this._contextNodeCache={version:this.version,context:Pu({...t.contextNode.getFlowContextData(),...this.contextNode.getFlowContextData()})}),t.contextNode=this._contextNodeCache.context);const p=r.name;r.name=this.name?this.name:r.name,t.render(r,s),r.name=p,r.overrideMaterial=h,t.setRenderTarget(n),t.setMRT(a),t.autoClear=o,t.transparent=u,t.opaque=l,t.contextNode=c,s.layers.mask=d}setSize(e,t){this._width=e,this._height=t;const r=Math.floor(this._width*this._resolutionScale),s=Math.floor(this._height*this._resolutionScale);this.renderTarget.setSize(r,s),null!==this._scissor?(this.renderTarget.scissor.copy(this._scissor).multiplyScalar(this._resolutionScale).floor(),this.renderTarget.scissorTest=!0):this.renderTarget.scissorTest=!1,null!==this._viewport&&this.renderTarget.viewport.copy(this._viewport).multiplyScalar(this._resolutionScale).floor()}setScissor(e,t,r,i){null===e?this._scissor=null:(null===this._scissor&&(this._scissor=new s),e.isVector4?this._scissor.copy(e):this._scissor.set(e,t,r,i))}setViewport(e,t,r,i){null===e?this._viewport=null:(null===this._viewport&&(this._viewport=new s),e.isVector4?this._viewport.copy(e):this._viewport.set(e,t,r,i))}dispose(){this.renderTarget.dispose()}}OT.COLOR="color",OT.DEPTH="depth";class IT extends OT{static get type(){return"ToonOutlinePassNode"}constructor(e,t,r,s,i){super(OT.COLOR,e,t),this.colorNode=r,this.thicknessNode=s,this.alphaNode=i,this._materialCache=new WeakMap,this.name="Outline Pass"}updateBefore(e){const{renderer:t}=e,r=t.getRenderObjectFunction();t.setRenderObjectFunction((e,r,s,i,n,a,o,u)=>{if((n.isMeshToonMaterial||n.isMeshToonNodeMaterial)&&!1===n.wireframe){const l=this._getOutlineMaterial(n);t.renderObject(e,r,s,i,l,a,o,u)}t.renderObject(e,r,s,i,n,a,o,u)}),super.updateBefore(e),t.setRenderObjectFunction(r)}_createMaterial(){const e=new Dg;e.isMeshToonOutlineMaterial=!0,e.name="Toon_Outline",e.side=L;const t=wc.negate(),r=kd.mul(dc),s=Tn(1),i=r.mul(Fn(fc,1)),n=r.mul(Fn(fc.add(t),1)),a=Ao(i.sub(n));return e.vertexNode=i.add(a.mul(this.thicknessNode).mul(i.w).mul(s)),e.colorNode=Fn(this.colorNode,this.alphaNode),e}_getOutlineMaterial(e){let t=this._materialCache.get(e);return void 0===t&&(t=this._createMaterial(),this._materialCache.set(e,t)),t}}const VT=gn(([e,t])=>e.mul(t).clamp()).setLayout({name:"linearToneMapping",type:"vec3",inputs:[{name:"color",type:"vec3"},{name:"exposure",type:"float"}]}),kT=gn(([e,t])=>(e=e.mul(t)).div(e.add(1)).clamp()).setLayout({name:"reinhardToneMapping",type:"vec3",inputs:[{name:"color",type:"vec3"},{name:"exposure",type:"float"}]}),GT=gn(([e,t])=>{const r=(e=(e=e.mul(t)).sub(.004).max(0)).mul(e.mul(6.2).add(.5)),s=e.mul(e.mul(6.2).add(1.7)).add(.06);return r.div(s).pow(2.2)}).setLayout({name:"cineonToneMapping",type:"vec3",inputs:[{name:"color",type:"vec3"},{name:"exposure",type:"float"}]}),zT=gn(([e])=>{const t=e.mul(e.add(.0245786)).sub(90537e-9),r=e.mul(e.add(.432951).mul(.983729)).add(.238081);return t.div(r)}),$T=gn(([e,t])=>{const r=On(.59719,.35458,.04823,.076,.90834,.01566,.0284,.13383,.83777),s=On(1.60475,-.53108,-.07367,-.10208,1.10813,-.00605,-.00327,-.07276,1.07602);return e=e.mul(t).div(.6),e=r.mul(e),e=zT(e),(e=s.mul(e)).clamp()}).setLayout({name:"acesFilmicToneMapping",type:"vec3",inputs:[{name:"color",type:"vec3"},{name:"exposure",type:"float"}]}),WT=On(An(1.6605,-.1246,-.0182),An(-.5876,1.1329,-.1006),An(-.0728,-.0083,1.1187)),HT=On(An(.6274,.0691,.0164),An(.3293,.9195,.088),An(.0433,.0113,.8956)),jT=gn(([e])=>{const t=An(e).toVar(),r=An(t.mul(t)).toVar(),s=An(r.mul(r)).toVar();return Tn(15.5).mul(s.mul(r)).sub(Va(40.14,s.mul(t))).add(Va(31.96,s).sub(Va(6.868,r.mul(t))).add(Va(.4298,r).add(Va(.1191,t).sub(.00232))))}),qT=gn(([e,t])=>{const r=An(e).toVar(),s=On(An(.856627153315983,.137318972929847,.11189821299995),An(.0951212405381588,.761241990602591,.0767994186031903),An(.0482516061458583,.101439036467562,.811302368396859)),i=On(An(1.1271005818144368,-.1413297634984383,-.14132976349843826),An(-.11060664309660323,1.157823702216272,-.11060664309660294),An(-.016493938717834573,-.016493938717834257,1.2519364065950405)),n=Tn(-12.47393),a=Tn(4.026069);return r.mulAssign(t),r.assign(HT.mul(r)),r.assign(s.mul(r)),r.assign(su(r,1e-10)),r.assign(No(r)),r.assign(r.sub(n).div(a.sub(n))),r.assign(Tu(r,0,1)),r.assign(jT(r)),r.assign(i.mul(r)),r.assign(du(su(An(0),r),An(2.2))),r.assign(WT.mul(r)),r.assign(Tu(r,0,1)),r}).setLayout({name:"agxToneMapping",type:"vec3",inputs:[{name:"color",type:"vec3"},{name:"exposure",type:"float"}]}),XT=gn(([e,t])=>{const r=Tn(.76),s=Tn(.15);e=e.mul(t);const i=ru(e.r,ru(e.g,e.b)),n=Fu(i.lessThan(.08),i.sub(Va(6.25,i.mul(i))),.04);e.subAssign(n);const a=su(e.r,su(e.g,e.b));yn(a.lessThan(r),()=>e);const o=Ia(1,r),u=Ia(1,o.mul(o).div(a.add(o.sub(r))));e.mulAssign(u.div(a));const l=Ia(1,ka(1,s.mul(a.sub(u)).add(1)));return xu(e,An(u),l)}).setLayout({name:"neutralToneMapping",type:"vec3",inputs:[{name:"color",type:"vec3"},{name:"exposure",type:"float"}]});class YT extends pi{static get type(){return"CodeNode"}constructor(e="",t=[],r=""){super("code"),this.isCodeNode=!0,this.global=!0,this.code=e,this.includes=t,this.language=r}setIncludes(e){return this.includes=e,this}getIncludes(){return this.includes}generate(e){const t=this.getIncludes(e);for(const r of t)r.build(e);const r=e.getCodeFromNode(this,this.getNodeType(e));return r.code=this.code,r.code}serialize(e){super.serialize(e),e.code=this.code,e.language=this.language}deserialize(e){super.deserialize(e),this.code=e.code,this.language=e.language}}const QT=un(YT).setParameterLength(1,3);class KT extends YT{static get type(){return"FunctionNode"}constructor(e="",t=[],r=""){super(e,t,r)}generateNodeType(e){return this.getNodeFunction(e).type}getMemberType(e,t){const r=this.getNodeType(e);return e.getStructTypeNode(r).getMemberType(e,t)}getInputs(e){return this.getNodeFunction(e).inputs}getNodeFunction(e){const t=e.getDataFromNode(this);let r=t.nodeFunction;return void 0===r&&(r=e.parser.parseFunction(this.code),t.nodeFunction=r),r}generate(e,t){super.generate(e);const r=this.getNodeFunction(e),s=r.name,i=r.type,n=e.getCodeFromNode(this,i);""!==s&&(n.name=s);const a=e.getPropertyName(n),o=this.getNodeFunction(e).getCode(a);return n.code=o+"\n","property"===t?a:e.format(`${a}()`,i,t)}}const ZT=(e,t=[],r="")=>{const s=new KT(e,t,r);return cn((...e)=>s.call(...e),s)};function JT(e){let t;const r=e.context.getViewZ;return void 0!==r&&(t=r(this)),(t||Tc.z).negate()}const e_=gn(([e,t],r)=>{const s=JT(r);return Nu(e,t,s)}),t_=gn(([e],t)=>{const r=JT(t);return e.mul(e,r,r).negate().exp().oneMinus()}),r_=gn(([e,t],r)=>{const s=JT(r),i=t.sub(bc.y).max(0).toConst().mul(s).toConst();return e.mul(e,i,i).negate().exp().oneMinus()}),s_=gn(([e,t])=>Fn(t.toFloat().mix(da.rgb,e.toVec3()),da.a));let i_=null,n_=null;class a_ extends pi{static get type(){return"RangeNode"}constructor(e=Tn(),t=Tn()){super(),this.minNode=e,this.maxNode=t}getVectorLength(e){const t=this.getConstNode(this.minNode),r=this.getConstNode(this.maxNode),s=e.getTypeLength(Ks(t.value)),i=e.getTypeLength(Ks(r.value));return s>i?s:i}generateNodeType(e){return e.object.count>1?e.getTypeFromLength(this.getVectorLength(e)):"float"}getConstNode(e){let t=null;if(e.traverse(e=>{!0===e.isConstNode&&(t=e)}),null===t)throw new Zl('THREE.TSL: No "ConstNode" found in node graph.',this.stackTrace);return t}setup(e){const t=e.object;let r=null;if(t.count>1){const i=this.getConstNode(this.minNode),n=this.getConstNode(this.maxNode),a=i.value,o=n.value,u=e.getTypeLength(Ks(a)),d=e.getTypeLength(Ks(o));i_=i_||new s,n_=n_||new s,i_.setScalar(0),n_.setScalar(0),1===u?i_.setScalar(a):a.isColor?i_.set(a.r,a.g,a.b,1):i_.set(a.x,a.y,a.z||0,a.w||0),1===d?n_.setScalar(o):o.isColor?n_.set(o.r,o.g,o.b,1):n_.set(o.x,o.y,o.z||0,o.w||0);const c=4,h=c*t.count,p=new Float32Array(h);for(let e=0;enew u_(e,t),d_=l_("numWorkgroups","uvec3"),c_=l_("workgroupId","uvec3"),h_=l_("globalId","uvec3"),p_=l_("localId","uvec3"),g_=l_("subgroupSize","uint");class m_ extends pi{constructor(e){super(),this.scope=e,this.isBarrierNode=!0}setup(e){e.allowEarlyReturns=!1,e.allowGlobalVariables=!1}generate(e){const{scope:t}=this,{renderer:r}=e;!0===r.backend.isWebGLBackend?e.addFlowCode(`\t// ${t}Barrier \n`):e.addLineFlowCode(`${t}Barrier()`,this)}}const f_=un(m_);class y_ extends gi{constructor(e,t){super(e,t),this.isWorkgroupInfoElementNode=!0}generate(e,t){let r;const s=e.isContextAssign();if(r=super.generate(e),!0!==s){const s=this.getNodeType(e);r=e.format(r,s,t)}return r}}class b_ extends pi{constructor(e,t,r=0){super(t),this.bufferType=t,this.bufferCount=r,this.isWorkgroupInfoNode=!0,this.elementType=t,this.scope=e,this.name=""}setName(e){return this.name=e,this}label(e){return d('TSL: "label()" has been deprecated. Use "setName()" instead.',new Vs),this.setName(e)}setScope(e){return this.scope=e,this}getElementType(){return this.elementType}getInputType(){return`${this.scope}Array`}element(e){return new y_(this,e)}generate(e){const t=""!==this.name?this.name:`${this.scope}Array_${this.id}`;return e.getScopedArray(t,this.scope.toLowerCase(),this.bufferType,this.bufferCount)}}class x_ extends pi{static get type(){return"AtomicFunctionNode"}constructor(e,t,r){super("uint"),this.method=e,this.pointerNode=t,this.valueNode=r,this.parents=!0}getInputType(e){return this.pointerNode.getNodeType(e)}generateNodeType(e){return this.getInputType(e)}generate(e){const t=e.getNodeProperties(this),r=t.parents,s=this.method,i=this.getNodeType(e),n=this.getInputType(e),a=this.pointerNode,o=this.valueNode,u=[];u.push(`&${a.build(e,n)}`),null!==o&&u.push(o.build(e,n));const l=`${e.getMethod(s,i)}( ${u.join(", ")} )`;if(!(!!r&&(1===r.length&&!0===r[0].isStackNode)))return void 0===t.constNode&&(t.constNode=Pl(l,i).toConst()),t.constNode.build(e);e.addLineFlowCode(l,this)}}x_.ATOMIC_LOAD="atomicLoad",x_.ATOMIC_STORE="atomicStore",x_.ATOMIC_ADD="atomicAdd",x_.ATOMIC_SUB="atomicSub",x_.ATOMIC_MAX="atomicMax",x_.ATOMIC_MIN="atomicMin",x_.ATOMIC_AND="atomicAnd",x_.ATOMIC_OR="atomicOr",x_.ATOMIC_XOR="atomicXor";const T_=un(x_),__=(e,t,r)=>T_(e,t,r).toStack();class v_ extends fi{static get type(){return"SubgroupFunctionNode"}constructor(e,t=null,r=null){super(),this.method=e,this.aNode=t,this.bNode=r}getInputType(e){const t=this.aNode?this.aNode.getNodeType(e):null,r=this.bNode?this.bNode.getNodeType(e):null;return(e.isMatrix(t)?0:e.getTypeLength(t))>(e.isMatrix(r)?0:e.getTypeLength(r))?t:r}generateNodeType(e){const t=this.method;return t===v_.SUBGROUP_ELECT?"bool":t===v_.SUBGROUP_BALLOT?"uvec4":this.getInputType(e)}generate(e,t){const r=this.method,s=this.getNodeType(e),i=this.getInputType(e),n=this.aNode,a=this.bNode,o=[];if(r===v_.SUBGROUP_BROADCAST||r===v_.SUBGROUP_SHUFFLE||r===v_.QUAD_BROADCAST){const t=a.getNodeType(e);o.push(n.build(e,s),a.build(e,"float"===t?"int":s))}else r===v_.SUBGROUP_SHUFFLE_XOR||r===v_.SUBGROUP_SHUFFLE_DOWN||r===v_.SUBGROUP_SHUFFLE_UP?o.push(n.build(e,s),a.build(e,"uint")):(null!==n&&o.push(n.build(e,i)),null!==a&&o.push(a.build(e,i)));const u=0===o.length?"()":`( ${o.join(", ")} )`;return e.format(`${e.getMethod(r,s)}${u}`,s,t)}serialize(e){super.serialize(e),e.method=this.method}deserialize(e){super.deserialize(e),this.method=e.method}}v_.SUBGROUP_ELECT="subgroupElect",v_.SUBGROUP_BALLOT="subgroupBallot",v_.SUBGROUP_ADD="subgroupAdd",v_.SUBGROUP_INCLUSIVE_ADD="subgroupInclusiveAdd",v_.SUBGROUP_EXCLUSIVE_AND="subgroupExclusiveAdd",v_.SUBGROUP_MUL="subgroupMul",v_.SUBGROUP_INCLUSIVE_MUL="subgroupInclusiveMul",v_.SUBGROUP_EXCLUSIVE_MUL="subgroupExclusiveMul",v_.SUBGROUP_AND="subgroupAnd",v_.SUBGROUP_OR="subgroupOr",v_.SUBGROUP_XOR="subgroupXor",v_.SUBGROUP_MIN="subgroupMin",v_.SUBGROUP_MAX="subgroupMax",v_.SUBGROUP_ALL="subgroupAll",v_.SUBGROUP_ANY="subgroupAny",v_.SUBGROUP_BROADCAST_FIRST="subgroupBroadcastFirst",v_.QUAD_SWAP_X="quadSwapX",v_.QUAD_SWAP_Y="quadSwapY",v_.QUAD_SWAP_DIAGONAL="quadSwapDiagonal",v_.SUBGROUP_BROADCAST="subgroupBroadcast",v_.SUBGROUP_SHUFFLE="subgroupShuffle",v_.SUBGROUP_SHUFFLE_XOR="subgroupShuffleXor",v_.SUBGROUP_SHUFFLE_UP="subgroupShuffleUp",v_.SUBGROUP_SHUFFLE_DOWN="subgroupShuffleDown",v_.QUAD_BROADCAST="quadBroadcast";const N_=dn(v_,v_.SUBGROUP_ELECT).setParameterLength(0),S_=dn(v_,v_.SUBGROUP_BALLOT).setParameterLength(1),E_=dn(v_,v_.SUBGROUP_ADD).setParameterLength(1),R_=dn(v_,v_.SUBGROUP_INCLUSIVE_ADD).setParameterLength(1),w_=dn(v_,v_.SUBGROUP_EXCLUSIVE_AND).setParameterLength(1),A_=dn(v_,v_.SUBGROUP_MUL).setParameterLength(1),C_=dn(v_,v_.SUBGROUP_INCLUSIVE_MUL).setParameterLength(1),M_=dn(v_,v_.SUBGROUP_EXCLUSIVE_MUL).setParameterLength(1),B_=dn(v_,v_.SUBGROUP_AND).setParameterLength(1),F_=dn(v_,v_.SUBGROUP_OR).setParameterLength(1),L_=dn(v_,v_.SUBGROUP_XOR).setParameterLength(1),P_=dn(v_,v_.SUBGROUP_MIN).setParameterLength(1),U_=dn(v_,v_.SUBGROUP_MAX).setParameterLength(1),D_=dn(v_,v_.SUBGROUP_ALL).setParameterLength(0),O_=dn(v_,v_.SUBGROUP_ANY).setParameterLength(0),I_=dn(v_,v_.SUBGROUP_BROADCAST_FIRST).setParameterLength(2),V_=dn(v_,v_.QUAD_SWAP_X).setParameterLength(1),k_=dn(v_,v_.QUAD_SWAP_Y).setParameterLength(1),G_=dn(v_,v_.QUAD_SWAP_DIAGONAL).setParameterLength(1),z_=dn(v_,v_.SUBGROUP_BROADCAST).setParameterLength(2),$_=dn(v_,v_.SUBGROUP_SHUFFLE).setParameterLength(2),W_=dn(v_,v_.SUBGROUP_SHUFFLE_XOR).setParameterLength(2),H_=dn(v_,v_.SUBGROUP_SHUFFLE_UP).setParameterLength(2),j_=dn(v_,v_.SUBGROUP_SHUFFLE_DOWN).setParameterLength(2),q_=dn(v_,v_.QUAD_BROADCAST).setParameterLength(1);let X_;function Y_(e){X_=X_||new WeakMap;let t=X_.get(e);return void 0===t&&X_.set(e,t={}),t}function Q_(e){const t=Y_(e);return t.shadowMatrix||(t.shadowMatrix=Aa("mat4").setGroup(Ea).onRenderUpdate(t=>(!0===e.castShadow&&!1!==t.renderer.shadowMap.enabled||(e.shadow.camera.coordinateSystem!==t.camera.coordinateSystem&&(e.shadow.camera.coordinateSystem=t.camera.coordinateSystem,e.shadow.camera.updateProjectionMatrix()),e.shadow.updateMatrices(e)),e.shadow.matrix)))}function K_(e,t=bc){const r=Q_(e).mul(t);return r.xyz.div(r.w)}function Z_(e){const t=Y_(e);return t.position||(t.position=Aa(new r).setGroup(Ea).onRenderUpdate((t,r)=>r.value.setFromMatrixPosition(e.matrixWorld)))}function J_(e){const t=Y_(e);return t.targetPosition||(t.targetPosition=Aa(new r).setGroup(Ea).onRenderUpdate((t,r)=>r.value.setFromMatrixPosition(e.target.matrixWorld)))}function ev(e){const t=Y_(e);return t.viewPosition||(t.viewPosition=Aa(new r).setGroup(Ea).onRenderUpdate(({camera:t},s)=>{s.value=s.value||new r,s.value.setFromMatrixPosition(e.matrixWorld),s.value.applyMatrix4(t.matrixWorldInverse)}))}const tv=e=>zd.transformDirection(Z_(e).sub(J_(e))),rv=zn("vec3","totalDiffuse"),sv=zn("vec3","totalSpecular"),iv=zn("vec3","outgoingLight"),nv=(e,t)=>{for(const r of t)if(r.isAnalyticLightNode&&r.light.id===e)return r;return null},av=new WeakMap,ov=[];class uv extends pi{static get type(){return"LightsNode"}constructor(){super("vec3"),this.totalDiffuseNode=rv,this.totalSpecularNode=sv,this.outgoingLightNode=iv,this._lights=[],this.global=!0}customCacheKey(){const e=this._lights;for(let t=0;te.sort((e,t)=>e.id-t.id))([...e.context.materialLightings,...this._lights]),i=e.renderer.library;for(const e of s)if(e.isNode)t.push(e);else{let s=null;if(null!==r&&(s=nv(e.id,r)),null===s){const t=i.getLightNodeClass(e.constructor);if(null===t){d(`LightsNode.setupNodeLights: Light node not found for ${e.constructor.name}`);continue}!1===av.has(e)&&av.set(e,new t(e)),s=av.get(e)}t.push(s)}return t}setupDirectLight(e,t,r){const{lightingModel:s,reflectedLight:i}=e.context;s.direct({...r,lightNode:t,reflectedLight:i},e)}setupDirectRectAreaLight(e,t,r){const{lightingModel:s,reflectedLight:i}=e.context;s.directRectArea({...r,lightNode:t,reflectedLight:i},e)}setupLights(e,t){for(const r of t)r.build(e)}getLightNodes(e){const t=e.getDataFromNode(this);return void 0===t.lightNodes&&(t.lightNodes=this.setupLightsNode(e)),t.lightNodes}setup(e){const t=e.lightsNode;e.lightsNode=this;let r=this.outgoingLightNode;const s=e.context,i=s.lightingModel,n=e.getNodeProperties(this);if(i){const{totalDiffuseNode:t,totalSpecularNode:a}=this;s.outgoingLight=r;const o=e.addStack();n.nodes=o.nodes,i.start(e);const{backdrop:u,backdropAlpha:l}=s,{directDiffuse:d,directSpecular:c,indirectDiffuse:h,indirectSpecular:p}=s.reflectedLight;let g=d.add(h);null!==u&&(g=An(null!==l?l.mix(g,u):u)),t.assign(g),a.assign(c.add(p)),r.assign(t.add(a)),i.finish(e),r=r.bypass(e.removeStack())}else n.nodes=[];return e.lightsNode=t,r}setLights(e){return this._lights=e,this}getLights(){return this._lights}get hasLights(){return this._lights.length>0}}class lv extends pi{static get type(){return"ShadowBaseNode"}constructor(e){super(),this.light=e,this.updateBeforeType=ii.RENDER,this.isShadowBaseNode=!0}setupShadowPosition({context:e,material:t}){dv.assign(t.receivedShadowPositionNode||e.shadowPositionWorld||bc)}}const dv=zn("vec3","shadowPositionWorld");function cv(t,r={}){return r.toneMapping=t.toneMapping,r.toneMappingExposure=t.toneMappingExposure,r.outputColorSpace=t.outputColorSpace,r.renderTarget=t.getRenderTarget(),r.activeCubeFace=t.getActiveCubeFace(),r.activeMipmapLevel=t.getActiveMipmapLevel(),r.renderObjectFunction=t.getRenderObjectFunction(),r.pixelRatio=t.getPixelRatio(),r.mrt=t.getMRT(),r.clearColor=t.getClearColor(r.clearColor||new e),r.clearAlpha=t.getClearAlpha(),r.autoClear=t.autoClear,r.scissorTest=t.getScissorTest(),r}function hv(e,t){return t=cv(e,t),e.setMRT(null),e.setRenderObjectFunction(null),e.setClearColor(0,1),e.autoClear=!0,t}function pv(e,t){e.toneMapping=t.toneMapping,e.toneMappingExposure=t.toneMappingExposure,e.outputColorSpace=t.outputColorSpace,e.setRenderTarget(t.renderTarget,t.activeCubeFace,t.activeMipmapLevel),e.setRenderObjectFunction(t.renderObjectFunction),e.setPixelRatio(t.pixelRatio),e.setMRT(t.mrt),e.setClearColor(t.clearColor,t.clearAlpha),e.autoClear=t.autoClear,e.setScissorTest(t.scissorTest)}function gv(e,t={}){return t.background=e.background,t.backgroundNode=e.backgroundNode,t.overrideMaterial=e.overrideMaterial,t}function mv(e,t){return t=gv(e,t),e.background=null,e.backgroundNode=null,e.overrideMaterial=null,t}function fv(e,t){e.background=t.background,e.backgroundNode=t.backgroundNode,e.overrideMaterial=t.overrideMaterial}function yv(e,t,r){return r=mv(t,r=hv(e,r))}function bv(e,t,r){pv(e,r),fv(t,r)}var xv=Object.freeze({__proto__:null,resetRendererAndSceneState:yv,resetRendererState:hv,resetSceneState:mv,restoreRendererAndSceneState:bv,restoreRendererState:pv,restoreSceneState:fv,saveRendererAndSceneState:function(e,t,r={}){return r=gv(t,r=cv(e,r))},saveRendererState:cv,saveSceneState:gv});const Tv=new WeakMap,_v=gn(({depthTexture:e,shadowCoord:t,depthLayer:r})=>{let s=rd(e,t.xy).setName("t_basic");return e.isArrayTexture&&(s=s.depth(r)),s.compare(t.z)}),vv=gn(({depthTexture:e,shadowCoord:t,shadow:r,depthLayer:s})=>{const i=(t,r)=>{let i=rd(e,t);return e.isArrayTexture&&(i=i.depth(s)),i.compare(r)},n=Jc("mapSize","vec2",r).setGroup(Ea),a=Jc("radius","float",r).setGroup(Ea),o=Sn(1).div(n),u=a.mul(o.x),l=Yx(yd.xy).mul(6.28318530718);return Oa(i(t.xy.add(Qx(0,5,l).mul(u)),t.z),i(t.xy.add(Qx(1,5,l).mul(u)),t.z),i(t.xy.add(Qx(2,5,l).mul(u)),t.z),i(t.xy.add(Qx(3,5,l).mul(u)),t.z),i(t.xy.add(Qx(4,5,l).mul(u)),t.z)).mul(.2)}),Nv=gn(({depthTexture:e,shadowCoord:t,shadow:r,depthLayer:s})=>{const i=Jc("mapSize","vec2",r).setGroup(Ea),n=Sn(1).div(i),a=t.xy,o=Co(a.mul(i).add(.5)).toConst();a.subAssign(o.sub(.5).mul(n));const u=r=>{let i=rd(e,a).offset(r).gather();return e.isArrayTexture&&(i=i.depth(s)),i.compare(t.z)},l=u(En(-1,1)).toConst(),d=u(En(1,1)).toConst(),c=u(En(-1,-1)).toConst(),h=u(En(1,-1)).toConst();return Oa(xu(l.x,d.y,o.x).add(l.y).add(d.x).mul(o.y),xu(l.w,d.z,o.x).add(l.z).add(d.w),xu(c.x,h.y,o.x).add(c.y).add(h.x),xu(c.w,h.z,o.x).add(c.z).add(h.w).mul(o.y.oneMinus())).mul(1/9)}),Sv=gn(({depthTexture:e,shadowCoord:t,depthLayer:r},s)=>{let i=rd(e).sample(t.xy);e.isArrayTexture&&(i=i.depth(r)),i=i.rg;const n=i.x,a=su(1e-7,i.y.mul(i.y)),o=s.renderer.reversedDepthBuffer?iu(n,t.z):iu(t.z,n),u=Tn(1).toVar();return yn(o.notEqual(1),()=>{const e=t.z.sub(n);let r=a.div(a.add(e.mul(e)));r=Tu(Ia(r,.3).div(.65)),u.assign(su(o,r))}),u}),Ev=e=>{let t=Tv.get(e);return void 0===t&&(t=new Dg,t.colorNode=Fn(0,0,0,1),t.isShadowPassMaterial=!0,t.name="ShadowMaterial",t.blending=re,t.fog=!1,Tv.set(e,t)),t},Rv=e=>{const t=Tv.get(e);void 0!==t&&(t.dispose(),Tv.delete(e))},wv=new $y,Av=[],Cv=(e,t,r,s)=>{Av[0]=e,Av[1]=t;let i=wv.get(Av);return void 0!==i&&i.shadowType===r&&i.useVelocity===s||(i=(i,n,a,o,u,l,d,c,h)=>{(!0===i.castShadow||i.receiveShadow&&r===pt)&&(s&&(Js(i).useVelocity=!0),i.onBeforeShadow(e,i,a,t.camera,o,n.overrideMaterial,l),e.renderObject(i,n,a,o,u,l,d,c,h),i.onAfterShadow(e,i,a,t.camera,o,n.overrideMaterial,l))},i.shadowType=r,i.useVelocity=s,wv.set(Av,i)),Av[0]=null,Av[1]=null,i},Mv=gn(({samples:e,radius:t,size:r,shadowPass:s,depthLayer:i})=>{const n=Tn(0).toVar("meanVertical"),a=Tn(0).toVar("squareMeanVertical"),o=e.lessThanEqual(Tn(1)).select(Tn(0),Tn(2).div(e.sub(1))),u=e.lessThanEqual(Tn(1)).select(Tn(0),Tn(-1));Zp({start:_n(0),end:_n(e),type:"int",condition:"<"},({i:e})=>{const l=u.add(Tn(e).mul(o));let d=s.sample(Oa(yd.xy,Sn(0,l).mul(t)).div(r));s.value.isArrayTexture&&(d=d.depth(i)),d=d.x,n.addAssign(d),a.addAssign(d.mul(d))}),n.divAssign(e),a.divAssign(e);const l=So(a.sub(n.mul(n)).max(0));return Sn(n,l)}),Bv=gn(({samples:e,radius:t,size:r,shadowPass:s,depthLayer:i})=>{const n=Tn(0).toVar("meanHorizontal"),a=Tn(0).toVar("squareMeanHorizontal"),o=e.lessThanEqual(Tn(1)).select(Tn(0),Tn(2).div(e.sub(1))),u=e.lessThanEqual(Tn(1)).select(Tn(0),Tn(-1));Zp({start:_n(0),end:_n(e),type:"int",condition:"<"},({i:e})=>{const l=u.add(Tn(e).mul(o));let d=s.sample(Oa(yd.xy,Sn(l,0).mul(t)).div(r));s.value.isArrayTexture&&(d=d.depth(i)),n.addAssign(d.x),a.addAssign(Oa(d.y.mul(d.y),d.x.mul(d.x)))}),n.divAssign(e),a.divAssign(e);const l=So(a.sub(n.mul(n)).max(0));return Sn(n,l)}),Fv=[_v,vv,Nv,Sv];let Lv;const Pv=new zx;class Uv extends lv{static get type(){return"ShadowNode"}constructor(e,t=null){super(e),this.shadow=t||e.shadow,this.shadowMap=null,this.vsmShadowMapVertical=null,this.vsmShadowMapHorizontal=null,this.vsmMaterialVertical=null,this.vsmMaterialHorizontal=null,this._node=null,this._currentShadowType=null,this._cameraFrameId=new WeakMap,this.isShadowNode=!0,this.depthLayer=0}setupShadowFilter(e,{filterFn:t,depthTexture:r,shadowCoord:s,shadow:i,depthLayer:n}){const a=s.x.greaterThanEqual(0).and(s.x.lessThanEqual(1)).and(s.y.greaterThanEqual(0)).and(s.y.lessThanEqual(1)).and(s.z.lessThanEqual(1)),o=t({depthTexture:r,shadowCoord:s,shadow:i,depthLayer:n});return a.select(o,Tn(1))}setupShadowCoord(e,t){const{shadow:r}=this,{renderer:s}=e,i=r.biasNode||Jc("bias","float",r).setGroup(Ea);let n,a=t;if(r.camera.isOrthographicCamera||!0!==s.logarithmicDepthBuffer)a=a.xyz.div(a.w),n=a.z;else{const e=a.w;a=a.xy.div(e);const t=Jc("near","float",r.camera).setGroup(Ea),s=Jc("far","float",r.camera).setGroup(Ea);n=Eg(e.negate(),t,s)}return a=An(a.x,a.y.oneMinus(),s.reversedDepthBuffer?n.sub(i):n.add(i)),a}getShadowFilterFn(e){return Fv[e]}setupRenderTarget(e,t){const r=new Z(e.mapSize.width,e.mapSize.height);r.name="ShadowDepthTexture",r.compareFunction=t.renderer.reversedDepthBuffer?M:A;const s=t.createRenderTarget(e.mapSize.width,e.mapSize.height);return s.texture.name="ShadowMap",s.texture.type=e.mapType,s.depthTexture=r,{shadowMap:s,depthTexture:r}}setupShadow(e){const{renderer:t,camera:r}=e,{light:s,shadow:i}=this,{depthTexture:n,shadowMap:a}=this.setupRenderTarget(i,e),o=t.shadowMap.type,u=t.hasCompatibility(R.TEXTURE_COMPARE);if(o!==ct&&o!==ht||!u?(n.minFilter=B,n.magFilter=B):(n.minFilter=le,n.magFilter=le),i.camera.coordinateSystem=r.coordinateSystem,i.camera.updateProjectionMatrix(),o===pt&&!0!==i.isPointLightShadow){n.compareFunction=null,a.depth>1?(a._vsmShadowMapVertical||(a._vsmShadowMapVertical=e.createRenderTarget(i.mapSize.width,i.mapSize.height,{format:$,type:Te,depth:a.depth,depthBuffer:!1}),a._vsmShadowMapVertical.texture.name="VSMVertical"),this.vsmShadowMapVertical=a._vsmShadowMapVertical,a._vsmShadowMapHorizontal||(a._vsmShadowMapHorizontal=e.createRenderTarget(i.mapSize.width,i.mapSize.height,{format:$,type:Te,depth:a.depth,depthBuffer:!1}),a._vsmShadowMapHorizontal.texture.name="VSMHorizontal"),this.vsmShadowMapHorizontal=a._vsmShadowMapHorizontal):(this.vsmShadowMapVertical=e.createRenderTarget(i.mapSize.width,i.mapSize.height,{format:$,type:Te,depthBuffer:!1}),this.vsmShadowMapHorizontal=e.createRenderTarget(i.mapSize.width,i.mapSize.height,{format:$,type:Te,depthBuffer:!1}));let t=rd(n);n.isArrayTexture&&(t=t.depth(this.depthLayer));let r=rd(this.vsmShadowMapVertical.texture);n.isArrayTexture&&(r=r.depth(this.depthLayer));const s=Jc("blurSamples","float",i).setGroup(Ea),o=Jc("radius","float",i).setGroup(Ea),u=Jc("mapSize","vec2",i).setGroup(Ea);let l=this.vsmMaterialVertical||(this.vsmMaterialVertical=new Dg);l.fragmentNode=Mv({samples:s,radius:o,size:u,shadowPass:t,depthLayer:this.depthLayer}).context(e.getSharedContext()),l.name="VSMVertical",l=this.vsmMaterialHorizontal||(this.vsmMaterialHorizontal=new Dg),l.fragmentNode=Bv({samples:s,radius:o,size:u,shadowPass:r,depthLayer:this.depthLayer}).context(e.getSharedContext()),l.name="VSMHorizontal"}const l=Jc("intensity","float",i).setGroup(Ea),d=Jc("normalBias","float",i).setGroup(Ea),c=Q_(s),h=Fc.mul(d);let p;if(!t.highPrecision||e.material.receivedShadowPositionNode||e.context.shadowPositionWorld)p=c.mul(dv.add(h));else{p=Aa("mat4").onObjectUpdate(({object:e},t)=>t.value.multiplyMatrices(c.value,e.matrixWorld)).mul(fc).add(c.mul(Fn(h,0)))}const g=this.setupShadowCoord(e,p),m=i.filterNode||this.getShadowFilterFn(t.shadowMap.type)||null;if(null===m)throw new Error("THREE.WebGPURenderer: Shadow map type not supported yet.");const f=o===pt&&!0!==i.isPointLightShadow?this.vsmShadowMapHorizontal.texture:n,y=this.setupShadowFilter(e,{filterFn:m,shadowTexture:a.texture,depthTexture:f,shadowCoord:g,shadow:i,depthLayer:this.depthLayer});let b,x;!0===t.shadowMap.transmitted&&(a.texture.isCubeTexture?b=Qc(a.texture,g.xyz):(b=rd(a.texture,g),n.isArrayTexture&&(b=b.depth(this.depthLayer)))),x=b?xu(1,y.rgb.mix(b,1),l.mul(b.a)).toVar():xu(1,y,l).toVar(),this.shadowMap=a,this.shadow.map=a;const T=`${this.light.type} Shadow [ ${this.light.name||"ID: "+this.light.id} ]`;return b&&x.toInspector(`${T} / Color`,()=>this.shadowMap.texture.isCubeTexture?Qc(this.shadowMap.texture,em()):rd(this.shadowMap.texture)),x.toInspector(`${T} / Depth`,()=>{const e=Jc("near","float",this.shadow.camera),t=Jc("far","float",this.shadow.camera);let r,s;return r=this.shadowMap.texture.isCubeTexture?Qc(this.shadowMap.depthTexture,em()).r:rd(this.shadowMap.depthTexture).r,s=this.shadow.camera.isPerspectiveCamera?Sg(r,e,t):_g(r,e,t),s=Tg(s,e,t),s.oneMinus()})}setup(e){if(!1!==e.renderer.shadowMap.enabled)return gn(()=>{const t=e.renderer.shadowMap.type;this._currentShadowType!==t&&(this._reset(),this._node=null);let r=this._node;return this.setupShadowPosition(e),null===r&&(this._node=r=this.setupShadow(e),this._currentShadowType=t),e.material.receivedShadowNode&&(r=e.material.receivedShadowNode(r)),r})()}renderShadow(e){const{shadow:t,shadowMap:r,light:s}=this,{renderer:i,scene:n}=e;t.updateMatrices(s),r.setSize(t.mapSize.width,t.mapSize.height,r.depth);const a=n.name;n.name=`Shadow Map [ ${s.name||"ID: "+s.id} ]`,i.render(n,t.camera),n.name=a}updateShadow(e){const{shadowMap:t,light:r,shadow:s}=this,{renderer:i,scene:n,camera:a}=e,o=i.shadowMap.type,u=t.depthTexture.version;this._depthVersionCached=u;const l=s.camera.layers.mask;4294967294&s.camera.layers.mask||(s.camera.layers.mask=a.layers.mask);const d=i.getRenderObjectFunction(),c=i.getMRT(),h=!!c&&c.has("velocity");Lv=yv(i,n,Lv),n.overrideMaterial=Ev(r),i.setRenderObjectFunction(Cv(i,s,o,h)),i.setClearColor(0,0),i.setRenderTarget(t),this.renderShadow(e),i.setRenderObjectFunction(d),o===pt&&!0!==s.isPointLightShadow&&this.vsmPass(i),s.camera.layers.mask=l,bv(i,n,Lv)}vsmPass(e){const{shadow:t}=this,r=this.shadowMap.depth;this.vsmShadowMapVertical.setSize(t.mapSize.width,t.mapSize.height,r),this.vsmShadowMapHorizontal.setSize(t.mapSize.width,t.mapSize.height,r),e.setRenderTarget(this.vsmShadowMapVertical),Pv.material=this.vsmMaterialVertical,Pv.render(e),e.setRenderTarget(this.vsmShadowMapHorizontal),Pv.material=this.vsmMaterialHorizontal,Pv.render(e)}dispose(){this._reset(),super.dispose()}_reset(){this._currentShadowType=null,Rv(this.light),this.shadowMap&&(this.shadowMap.dispose(),this.shadowMap=null),null!==this.vsmShadowMapVertical&&(this.vsmShadowMapVertical.dispose(),this.vsmShadowMapVertical=null,this.vsmMaterialVertical.dispose(),this.vsmMaterialVertical=null),null!==this.vsmShadowMapHorizontal&&(this.vsmShadowMapHorizontal.dispose(),this.vsmShadowMapHorizontal=null,this.vsmMaterialHorizontal.dispose(),this.vsmMaterialHorizontal=null)}updateBefore(e){const{shadow:t}=this;let r=t.needsUpdate||t.autoUpdate;r&&(this._cameraFrameId[e.camera]===e.frameId&&(r=!1),this._cameraFrameId[e.camera]=e.frameId),r&&(this.updateShadow(e),this.shadowMap.depthTexture.version===this._depthVersionCached&&(t.needsUpdate=!1))}}const Dv=(e,t)=>new Uv(e,t),Ov=new e,Iv=new a,Vv=new r,kv=new r,Gv=[new r(1,0,0),new r(-1,0,0),new r(0,-1,0),new r(0,1,0),new r(0,0,1),new r(0,0,-1)],zv=[new r(0,-1,0),new r(0,-1,0),new r(0,0,-1),new r(0,0,1),new r(0,-1,0),new r(0,-1,0)],$v=[new r(1,0,0),new r(-1,0,0),new r(0,1,0),new r(0,-1,0),new r(0,0,1),new r(0,0,-1)],Wv=[new r(0,-1,0),new r(0,-1,0),new r(0,0,1),new r(0,0,-1),new r(0,-1,0),new r(0,-1,0)],Hv=gn(({depthTexture:e,bd3D:t,dp:r})=>Qc(e,t).compare(r)),jv=gn(({depthTexture:e,bd3D:t,dp:r,shadow:s})=>{const i=Jc("radius","float",s).setGroup(Ea),n=Jc("mapSize","vec2",s).setGroup(Ea),a=i.div(n.x),o=zo(t),u=Ao(lu(t,o.x.greaterThan(o.z).select(An(0,1,0),An(1,0,0)))),l=lu(t,u),d=Yx(yd.xy).mul(6.28318530718),c=Qx(0,5,d),h=Qx(1,5,d),p=Qx(2,5,d),g=Qx(3,5,d),m=Qx(4,5,d);return Qc(e,t.add(u.mul(c.x).add(l.mul(c.y)).mul(a))).compare(r).add(Qc(e,t.add(u.mul(h.x).add(l.mul(h.y)).mul(a))).compare(r)).add(Qc(e,t.add(u.mul(p.x).add(l.mul(p.y)).mul(a))).compare(r)).add(Qc(e,t.add(u.mul(g.x).add(l.mul(g.y)).mul(a))).compare(r)).add(Qc(e,t.add(u.mul(m.x).add(l.mul(m.y)).mul(a))).compare(r)).mul(.2)}),qv=gn(({filterFn:e,depthTexture:t,shadowCoord:r,shadow:s},i)=>{const n=r.xyz.toConst(),a=n.abs().toConst(),o=a.x.max(a.y).max(a.z),u=Aa("float").setGroup(Ea).onRenderUpdate(()=>s.camera.near),l=Aa("float").setGroup(Ea).onRenderUpdate(()=>s.camera.far),d=Jc("bias","float",s).setGroup(Ea),c=Tn(1).toVar();return yn(o.sub(l).lessThanEqual(0).and(o.sub(u).greaterThanEqual(0)),()=>{let r;i.renderer.reversedDepthBuffer?(r=Ng(o.negate(),u,l),r.subAssign(d)):i.renderer.logarithmicDepthBuffer?(r=Eg(o.negate(),u,l),r.addAssign(d)):(r=vg(o.negate(),u,l),r.addAssign(d));const a=n.normalize();c.assign(e({depthTexture:t,bd3D:a,dp:r,shadow:s}))}),c});class Xv extends Uv{static get type(){return"PointShadowNode"}constructor(e,t=null){super(e,t)}getShadowFilterFn(e){return e===gt?Hv:jv}setupShadowCoord(e,t){return t}setupShadowFilter(e,{filterFn:t,depthTexture:r,shadowCoord:s,shadow:i}){return qv({filterFn:t,depthTexture:r,shadowCoord:s,shadow:i})}setupRenderTarget(e,t){const r=new mt(e.mapSize.width);r.name="PointShadowDepthTexture",r.compareFunction=t.renderer.reversedDepthBuffer?M:A;const s=t.createCubeRenderTarget(e.mapSize.width);return s.texture.name="PointShadowMap",s.depthTexture=r,{shadowMap:s,depthTexture:r}}renderShadow(e){const{shadow:t,shadowMap:r,light:s}=this,{renderer:i,scene:n}=e,a=t.camera,o=t.matrix,u=i.coordinateSystem===h,l=u?Gv:$v,d=u?zv:Wv;r.setSize(t.mapSize.width,t.mapSize.width);const c=i.autoClear,p=i.getClearColor(Ov),g=i.getClearAlpha();i.autoClear=!1,i.setClearColor(t.clearColor,t.clearAlpha);for(let e=0;e<6;e++){i.setRenderTarget(r,e),i.clear();const u=s.distance||a.far;u!==a.far&&(a.far=u,a.updateProjectionMatrix()),Vv.setFromMatrixPosition(s.matrixWorld),a.position.copy(Vv),kv.copy(a.position),kv.add(l[e]),a.up.copy(d[e]),a.lookAt(kv),a.updateMatrixWorld(),o.makeTranslation(-Vv.x,-Vv.y,-Vv.z),Iv.multiplyMatrices(a.projectionMatrix,a.matrixWorldInverse),t._frustum.setFromProjectionMatrix(Iv,a.coordinateSystem,a.reversedDepth);const c=n.name;n.name=`Point Light Shadow [ ${s.name||"ID: "+s.id} ] - Face ${e+1}`,i.render(n,a),n.name=c}i.autoClear=c,i.setClearColor(p,g)}}const Yv=(e,t)=>new Xv(e,t);class Qv extends ng{static get type(){return"AnalyticLightNode"}constructor(t=null){super(),this.light=t,this.color=new e,this.colorNode=t&&t.colorNode||Aa(this.color).setGroup(Ea),this.baseColorNode=null,this.shadowNode=null,this.shadowColorNode=null,this.isAnalyticLightNode=!0,this.updateType=ii.FRAME,t&&t.shadow&&(this._shadowDisposeListener=()=>{this.disposeShadow()},t.addEventListener("dispose",this._shadowDisposeListener))}dispose(){this._shadowDisposeListener&&this.light.removeEventListener("dispose",this._shadowDisposeListener),super.dispose()}disposeShadow(){null!==this.shadowNode&&(this.shadowNode.dispose(),this.shadowNode=null),this.shadowColorNode=null,null!==this.baseColorNode&&(this.colorNode=this.baseColorNode,this.baseColorNode=null)}getHash(){return this.light.uuid}getLightVector(e){return ev(this.light).sub(e.context.positionView||Tc)}setupDirect(){}setupDirectRectArea(){}setupShadowNode(){return Dv(this.light)}setupShadow(e){const{renderer:t}=e;if(!1===t.shadowMap.enabled)return;let r=this.shadowColorNode;if(null===r){const e=this.light.shadow.shadowNode;let t;t=void 0!==e?sn(e):this.setupShadowNode(),this.shadowNode=t,this.shadowColorNode=r=this.colorNode.mul(t),this.baseColorNode=this.colorNode}e.context.getShadow&&(r=e.context.getShadow(this,e)),this.colorNode=r}setup(e){this.colorNode=this.baseColorNode||this.colorNode,this.light.castShadow?e.object.receiveShadow&&this.setupShadow(e):null!==this.shadowNode&&(this.shadowNode.dispose(),this.shadowNode=null,this.shadowColorNode=null);const t=this.setupDirect(e),r=this.setupDirectRectArea(e);t&&e.lightsNode.setupDirectLight(e,this,t),r&&e.lightsNode.setupDirectRectAreaLight(e,this,r)}update(){const{light:e}=this;this.color.copy(e.color).multiplyScalar(e.intensity)}}const Kv=gn(({lightDistance:e,cutoffDistance:t,decayExponent:r})=>{const s=e.pow(r).max(.01).reciprocal();return t.greaterThan(0).select(s.mul(e.div(t).pow4().oneMinus().clamp().pow2()),s)}),Zv=({color:e,lightVector:t,cutoffDistance:r,decayExponent:s})=>{const i=t.normalize(),n=t.length(),a=Kv({lightDistance:n,cutoffDistance:r,decayExponent:s});return{lightDirection:i,lightColor:e.mul(a)}};class Jv extends Qv{static get type(){return"PointLightNode"}constructor(e=null){super(e),this.cutoffDistanceNode=Aa(0).setGroup(Ea),this.decayExponentNode=Aa(2).setGroup(Ea)}update(e){const{light:t}=this;super.update(e),this.cutoffDistanceNode.value=t.distance,this.decayExponentNode.value=t.decay}setupShadowNode(){return Yv(this.light)}setupDirect(e){return Zv({color:this.colorNode,lightVector:this.getLightVector(e),cutoffDistance:this.cutoffDistanceNode,decayExponent:this.decayExponentNode})}}const eN=gn(([e=ql()])=>{const t=e.mul(2),r=t.x.floor(),s=t.y.floor();return r.add(s).mod(2).sign()}),tN=gn(([e=ql()],{renderer:t,material:r})=>{const s=bu(e.mul(2).sub(1));let i;if(r.alphaToCoverage&&t.currentSamples>0){const e=Tn(s.fwidth()).toVar();i=Nu(e.oneMinus(),e.add(1),s).oneMinus()}else i=Fu(s.greaterThan(1),0,1);return i}),rN=gn(([e,t,r])=>{const s=Tn(r).toVar(),i=Tn(t).toVar(),n=Nn(e).toVar();return Fu(n,i,s).uniformFlow()}).setLayout({name:"mx_select",type:"float",inputs:[{name:"b",type:"bool"},{name:"t",type:"float"},{name:"f",type:"float"}]}),sN=gn(([e,t])=>{const r=Nn(t).toVar(),s=Tn(e).toVar();return Fu(r,s.negate(),s).uniformFlow()}).setLayout({name:"mx_negate_if",type:"float",inputs:[{name:"val",type:"float"},{name:"b",type:"bool"}]}),iN=gn(([e])=>{const t=Tn(e).toVar();return _n(Ro(t))}).setLayout({name:"mx_floor",type:"int",inputs:[{name:"x",type:"float"}]}),nN=gn(([e,t])=>{const r=Tn(e).toVar();return t.assign(iN(r)),r.sub(Tn(t))}),aN=px([gn(([e,t,r,s,i,n])=>{const a=Tn(n).toVar(),o=Tn(i).toVar(),u=Tn(s).toVar(),l=Tn(r).toVar(),d=Tn(t).toVar(),c=Tn(e).toVar(),h=Tn(Ia(1,o)).toVar();return Ia(1,a).mul(c.mul(h).add(d.mul(o))).add(a.mul(l.mul(h).add(u.mul(o))))}).setLayout({name:"mx_bilerp_0",type:"float",inputs:[{name:"v0",type:"float"},{name:"v1",type:"float"},{name:"v2",type:"float"},{name:"v3",type:"float"},{name:"s",type:"float"},{name:"t",type:"float"}]}),gn(([e,t,r,s,i,n])=>{const a=Tn(n).toVar(),o=Tn(i).toVar(),u=An(s).toVar(),l=An(r).toVar(),d=An(t).toVar(),c=An(e).toVar(),h=Tn(Ia(1,o)).toVar();return Ia(1,a).mul(c.mul(h).add(d.mul(o))).add(a.mul(l.mul(h).add(u.mul(o))))}).setLayout({name:"mx_bilerp_1",type:"vec3",inputs:[{name:"v0",type:"vec3"},{name:"v1",type:"vec3"},{name:"v2",type:"vec3"},{name:"v3",type:"vec3"},{name:"s",type:"float"},{name:"t",type:"float"}]})]),oN=px([gn(([e,t,r,s,i,n,a,o,u,l,d])=>{const c=Tn(d).toVar(),h=Tn(l).toVar(),p=Tn(u).toVar(),g=Tn(o).toVar(),m=Tn(a).toVar(),f=Tn(n).toVar(),y=Tn(i).toVar(),b=Tn(s).toVar(),x=Tn(r).toVar(),T=Tn(t).toVar(),_=Tn(e).toVar(),v=Tn(Ia(1,p)).toVar(),N=Tn(Ia(1,h)).toVar();return Tn(Ia(1,c)).toVar().mul(N.mul(_.mul(v).add(T.mul(p))).add(h.mul(x.mul(v).add(b.mul(p))))).add(c.mul(N.mul(y.mul(v).add(f.mul(p))).add(h.mul(m.mul(v).add(g.mul(p))))))}).setLayout({name:"mx_trilerp_0",type:"float",inputs:[{name:"v0",type:"float"},{name:"v1",type:"float"},{name:"v2",type:"float"},{name:"v3",type:"float"},{name:"v4",type:"float"},{name:"v5",type:"float"},{name:"v6",type:"float"},{name:"v7",type:"float"},{name:"s",type:"float"},{name:"t",type:"float"},{name:"r",type:"float"}]}),gn(([e,t,r,s,i,n,a,o,u,l,d])=>{const c=Tn(d).toVar(),h=Tn(l).toVar(),p=Tn(u).toVar(),g=An(o).toVar(),m=An(a).toVar(),f=An(n).toVar(),y=An(i).toVar(),b=An(s).toVar(),x=An(r).toVar(),T=An(t).toVar(),_=An(e).toVar(),v=Tn(Ia(1,p)).toVar(),N=Tn(Ia(1,h)).toVar();return Tn(Ia(1,c)).toVar().mul(N.mul(_.mul(v).add(T.mul(p))).add(h.mul(x.mul(v).add(b.mul(p))))).add(c.mul(N.mul(y.mul(v).add(f.mul(p))).add(h.mul(m.mul(v).add(g.mul(p))))))}).setLayout({name:"mx_trilerp_1",type:"vec3",inputs:[{name:"v0",type:"vec3"},{name:"v1",type:"vec3"},{name:"v2",type:"vec3"},{name:"v3",type:"vec3"},{name:"v4",type:"vec3"},{name:"v5",type:"vec3"},{name:"v6",type:"vec3"},{name:"v7",type:"vec3"},{name:"s",type:"float"},{name:"t",type:"float"},{name:"r",type:"float"}]})]),uN=gn(([e,t,r])=>{const s=Tn(r).toVar(),i=Tn(t).toVar(),n=vn(e).toVar(),a=vn(n.bitAnd(vn(7))).toVar(),o=Tn(rN(a.lessThan(vn(4)),i,s)).toVar(),u=Tn(Va(2,rN(a.lessThan(vn(4)),s,i))).toVar();return sN(o,Nn(a.bitAnd(vn(1)))).add(sN(u,Nn(a.bitAnd(vn(2)))))}).setLayout({name:"mx_gradient_float_0",type:"float",inputs:[{name:"hash",type:"uint"},{name:"x",type:"float"},{name:"y",type:"float"}]}),lN=gn(([e,t,r,s])=>{const i=Tn(s).toVar(),n=Tn(r).toVar(),a=Tn(t).toVar(),o=vn(e).toVar(),u=vn(o.bitAnd(vn(15))).toVar(),l=Tn(rN(u.lessThan(vn(8)),a,n)).toVar(),d=Tn(rN(u.lessThan(vn(4)),n,rN(u.equal(vn(12)).or(u.equal(vn(14))),a,i))).toVar();return sN(l,Nn(u.bitAnd(vn(1)))).add(sN(d,Nn(u.bitAnd(vn(2)))))}).setLayout({name:"mx_gradient_float_1",type:"float",inputs:[{name:"hash",type:"uint"},{name:"x",type:"float"},{name:"y",type:"float"},{name:"z",type:"float"}]}),dN=px([uN,lN]),cN=gn(([e,t,r])=>{const s=Tn(r).toVar(),i=Tn(t).toVar(),n=Mn(e).toVar();return An(dN(n.x,i,s),dN(n.y,i,s),dN(n.z,i,s))}).setLayout({name:"mx_gradient_vec3_0",type:"vec3",inputs:[{name:"hash",type:"uvec3"},{name:"x",type:"float"},{name:"y",type:"float"}]}),hN=gn(([e,t,r,s])=>{const i=Tn(s).toVar(),n=Tn(r).toVar(),a=Tn(t).toVar(),o=Mn(e).toVar();return An(dN(o.x,a,n,i),dN(o.y,a,n,i),dN(o.z,a,n,i))}).setLayout({name:"mx_gradient_vec3_1",type:"vec3",inputs:[{name:"hash",type:"uvec3"},{name:"x",type:"float"},{name:"y",type:"float"},{name:"z",type:"float"}]}),pN=px([cN,hN]),gN=gn(([e])=>{const t=Tn(e).toVar();return Va(.6616,t)}).setLayout({name:"mx_gradient_scale2d_0",type:"float",inputs:[{name:"v",type:"float"}]}),mN=gn(([e])=>{const t=Tn(e).toVar();return Va(.982,t)}).setLayout({name:"mx_gradient_scale3d_0",type:"float",inputs:[{name:"v",type:"float"}]}),fN=px([gN,gn(([e])=>{const t=An(e).toVar();return Va(.6616,t)}).setLayout({name:"mx_gradient_scale2d_1",type:"vec3",inputs:[{name:"v",type:"vec3"}]})]),yN=px([mN,gn(([e])=>{const t=An(e).toVar();return Va(.982,t)}).setLayout({name:"mx_gradient_scale3d_1",type:"vec3",inputs:[{name:"v",type:"vec3"}]})]),bN=gn(([e,t])=>{const r=_n(t).toVar(),s=vn(e).toVar();return s.shiftLeft(r).bitOr(s.shiftRight(_n(32).sub(r)))}).setLayout({name:"mx_rotl32",type:"uint",inputs:[{name:"x",type:"uint"},{name:"k",type:"int"}]}),xN=gn(([e,t,r])=>{e.subAssign(r),e.bitXorAssign(bN(r,_n(4))),r.addAssign(t),t.subAssign(e),t.bitXorAssign(bN(e,_n(6))),e.addAssign(r),r.subAssign(t),r.bitXorAssign(bN(t,_n(8))),t.addAssign(e),e.subAssign(r),e.bitXorAssign(bN(r,_n(16))),r.addAssign(t),t.subAssign(e),t.bitXorAssign(bN(e,_n(19))),e.addAssign(r),r.subAssign(t),r.bitXorAssign(bN(t,_n(4))),t.addAssign(e)}),TN=gn(([e,t,r])=>{const s=vn(r).toVar(),i=vn(t).toVar(),n=vn(e).toVar();return s.bitXorAssign(i),s.subAssign(bN(i,_n(14))),n.bitXorAssign(s),n.subAssign(bN(s,_n(11))),i.bitXorAssign(n),i.subAssign(bN(n,_n(25))),s.bitXorAssign(i),s.subAssign(bN(i,_n(16))),n.bitXorAssign(s),n.subAssign(bN(s,_n(4))),i.bitXorAssign(n),i.subAssign(bN(n,_n(14))),s.bitXorAssign(i),s.subAssign(bN(i,_n(24))),s}).setLayout({name:"mx_bjfinal",type:"uint",inputs:[{name:"a",type:"uint"},{name:"b",type:"uint"},{name:"c",type:"uint"}]}),_N=gn(([e])=>{const t=vn(e).toVar();return Tn(t).div(Tn(vn(_n(4294967295))))}).setLayout({name:"mx_bits_to_01",type:"float",inputs:[{name:"bits",type:"uint"}]}),vN=gn(([e])=>{const t=Tn(e).toVar();return t.mul(t).mul(t).mul(t.mul(t.mul(6).sub(15)).add(10))}).setLayout({name:"mx_fade",type:"float",inputs:[{name:"t",type:"float"}]}),NN=px([gn(([e])=>{const t=_n(e).toVar(),r=vn(vn(1)).toVar(),s=vn(vn(_n(3735928559)).add(r.shiftLeft(vn(2))).add(vn(13))).toVar();return TN(s.add(vn(t)),s,s)}).setLayout({name:"mx_hash_int_0",type:"uint",inputs:[{name:"x",type:"int"}]}),gn(([e,t])=>{const r=_n(t).toVar(),s=_n(e).toVar(),i=vn(vn(2)).toVar(),n=vn().toVar(),a=vn().toVar(),o=vn().toVar();return n.assign(a.assign(o.assign(vn(_n(3735928559)).add(i.shiftLeft(vn(2))).add(vn(13))))),n.addAssign(vn(s)),a.addAssign(vn(r)),TN(n,a,o)}).setLayout({name:"mx_hash_int_1",type:"uint",inputs:[{name:"x",type:"int"},{name:"y",type:"int"}]}),gn(([e,t,r])=>{const s=_n(r).toVar(),i=_n(t).toVar(),n=_n(e).toVar(),a=vn(vn(3)).toVar(),o=vn().toVar(),u=vn().toVar(),l=vn().toVar();return o.assign(u.assign(l.assign(vn(_n(3735928559)).add(a.shiftLeft(vn(2))).add(vn(13))))),o.addAssign(vn(n)),u.addAssign(vn(i)),l.addAssign(vn(s)),TN(o,u,l)}).setLayout({name:"mx_hash_int_2",type:"uint",inputs:[{name:"x",type:"int"},{name:"y",type:"int"},{name:"z",type:"int"}]}),gn(([e,t,r,s])=>{const i=_n(s).toVar(),n=_n(r).toVar(),a=_n(t).toVar(),o=_n(e).toVar(),u=vn(vn(4)).toVar(),l=vn().toVar(),d=vn().toVar(),c=vn().toVar();return l.assign(d.assign(c.assign(vn(_n(3735928559)).add(u.shiftLeft(vn(2))).add(vn(13))))),l.addAssign(vn(o)),d.addAssign(vn(a)),c.addAssign(vn(n)),xN(l,d,c),l.addAssign(vn(i)),TN(l,d,c)}).setLayout({name:"mx_hash_int_3",type:"uint",inputs:[{name:"x",type:"int"},{name:"y",type:"int"},{name:"z",type:"int"},{name:"xx",type:"int"}]}),gn(([e,t,r,s,i])=>{const n=_n(i).toVar(),a=_n(s).toVar(),o=_n(r).toVar(),u=_n(t).toVar(),l=_n(e).toVar(),d=vn(vn(5)).toVar(),c=vn().toVar(),h=vn().toVar(),p=vn().toVar();return c.assign(h.assign(p.assign(vn(_n(3735928559)).add(d.shiftLeft(vn(2))).add(vn(13))))),c.addAssign(vn(l)),h.addAssign(vn(u)),p.addAssign(vn(o)),xN(c,h,p),c.addAssign(vn(a)),h.addAssign(vn(n)),TN(c,h,p)}).setLayout({name:"mx_hash_int_4",type:"uint",inputs:[{name:"x",type:"int"},{name:"y",type:"int"},{name:"z",type:"int"},{name:"xx",type:"int"},{name:"yy",type:"int"}]})]),SN=px([gn(([e,t])=>{const r=_n(t).toVar(),s=_n(e).toVar(),i=vn(NN(s,r)).toVar(),n=Mn().toVar();return n.x.assign(i.bitAnd(_n(255))),n.y.assign(i.shiftRight(_n(8)).bitAnd(_n(255))),n.z.assign(i.shiftRight(_n(16)).bitAnd(_n(255))),n}).setLayout({name:"mx_hash_vec3_0",type:"uvec3",inputs:[{name:"x",type:"int"},{name:"y",type:"int"}]}),gn(([e,t,r])=>{const s=_n(r).toVar(),i=_n(t).toVar(),n=_n(e).toVar(),a=vn(NN(n,i,s)).toVar(),o=Mn().toVar();return o.x.assign(a.bitAnd(_n(255))),o.y.assign(a.shiftRight(_n(8)).bitAnd(_n(255))),o.z.assign(a.shiftRight(_n(16)).bitAnd(_n(255))),o}).setLayout({name:"mx_hash_vec3_1",type:"uvec3",inputs:[{name:"x",type:"int"},{name:"y",type:"int"},{name:"z",type:"int"}]})]),EN=px([gn(([e])=>{const t=Sn(e).toVar(),r=_n().toVar(),s=_n().toVar(),i=Tn(nN(t.x,r)).toVar(),n=Tn(nN(t.y,s)).toVar(),a=Tn(vN(i)).toVar(),o=Tn(vN(n)).toVar(),u=Tn(aN(dN(NN(r,s),i,n),dN(NN(r.add(_n(1)),s),i.sub(1),n),dN(NN(r,s.add(_n(1))),i,n.sub(1)),dN(NN(r.add(_n(1)),s.add(_n(1))),i.sub(1),n.sub(1)),a,o)).toVar();return fN(u)}).setLayout({name:"mx_perlin_noise_float_0",type:"float",inputs:[{name:"p",type:"vec2"}]}),gn(([e])=>{const t=An(e).toVar(),r=_n().toVar(),s=_n().toVar(),i=_n().toVar(),n=Tn(nN(t.x,r)).toVar(),a=Tn(nN(t.y,s)).toVar(),o=Tn(nN(t.z,i)).toVar(),u=Tn(vN(n)).toVar(),l=Tn(vN(a)).toVar(),d=Tn(vN(o)).toVar(),c=Tn(oN(dN(NN(r,s,i),n,a,o),dN(NN(r.add(_n(1)),s,i),n.sub(1),a,o),dN(NN(r,s.add(_n(1)),i),n,a.sub(1),o),dN(NN(r.add(_n(1)),s.add(_n(1)),i),n.sub(1),a.sub(1),o),dN(NN(r,s,i.add(_n(1))),n,a,o.sub(1)),dN(NN(r.add(_n(1)),s,i.add(_n(1))),n.sub(1),a,o.sub(1)),dN(NN(r,s.add(_n(1)),i.add(_n(1))),n,a.sub(1),o.sub(1)),dN(NN(r.add(_n(1)),s.add(_n(1)),i.add(_n(1))),n.sub(1),a.sub(1),o.sub(1)),u,l,d)).toVar();return yN(c)}).setLayout({name:"mx_perlin_noise_float_1",type:"float",inputs:[{name:"p",type:"vec3"}]})]),RN=px([gn(([e])=>{const t=Sn(e).toVar(),r=_n().toVar(),s=_n().toVar(),i=Tn(nN(t.x,r)).toVar(),n=Tn(nN(t.y,s)).toVar(),a=Tn(vN(i)).toVar(),o=Tn(vN(n)).toVar(),u=An(aN(pN(SN(r,s),i,n),pN(SN(r.add(_n(1)),s),i.sub(1),n),pN(SN(r,s.add(_n(1))),i,n.sub(1)),pN(SN(r.add(_n(1)),s.add(_n(1))),i.sub(1),n.sub(1)),a,o)).toVar();return fN(u)}).setLayout({name:"mx_perlin_noise_vec3_0",type:"vec3",inputs:[{name:"p",type:"vec2"}]}),gn(([e])=>{const 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x(){i.removeEventListener("dispose",x),d.material.dispose(),d.geometry.dispose()}b.name="Background.material",b.side=L,b.depthTest=!1,b.depthWrite=!1,b.allowOverride=!1,b.fog=!1,b.lights=!1,b.vertexNode=y,b.colorNode=h,u.backgroundMeshNode=h,u.backgroundMesh=d=new oe(new ft(1,32,32),b),d.frustumCulled=!1,d.name="Background.mesh",i.addEventListener("dispose",x)}const c=l.getCacheKey();u.backgroundCacheKey!==c&&(u.backgroundMeshNode.node=Fn(l).mul(iT),u.backgroundMeshNode.needsUpdate=!0,d.material.needsUpdate=!0,u.backgroundCacheKey=c),t.unshift(d,d.geometry,d.material,0,0,null,null)}else o("Renderer: Unsupported background configuration.",i);const a=s.xr.getEnvironmentBlendMode();if("additive"===a?KN.set(0,0,0,1):"alpha-blend"===a&&KN.set(0,0,0,0),!0===s.autoClear||!0===n){const T=r.clearColorValue;T.r=KN.r,T.g=KN.g,T.b=KN.b,T.a=KN.a,!0!==s.backend.isWebGLBackend&&!0!==s.alpha||(T.r*=T.a,T.g*=T.a,T.b*=T.a),r.depthClearValue=s.getClearDepth(),r.stencilClearValue=s.getClearStencil(),r.clearColor=!0===s.autoClearColor,r.clearDepth=!0===s.autoClearDepth,r.clearStencil=!0===s.autoClearStencil}else r.clearColor=!1,r.clearDepth=!1,r.clearStencil=!1}}let JN=0;class eS{constructor(e="",t=[]){this.name=e,this.bindings=t,this.id=JN++}}class tS{constructor(e,t,r,s,i,n,a,o,u,l,d=[]){this.vertexShader=e,this.fragmentShader=t,this.computeShader=r,this.transforms=d,this.nodeAttributes=s,this.bindings=i,this.updateNodes=n,this.updateBeforeNodes=a,this.updateAfterNodes=o,this.observer=u,this.hardwareClipping=l,this.usedTimes=0}createBindings(){const e=[];for(const t of this.bindings){if(!0!==t.bindings[0].groupNode.shared){const r=new eS(t.name,[]);e.push(r);for(const e of t.bindings)r.bindings.push(e.clone())}else e.push(t)}return e}}class rS{constructor(e,t,r=null){this.isNodeAttribute=!0,this.name=e,this.type=t,this.node=r}}class sS{constructor(e,t,r){this.isNodeUniform=!0,this.name=e,this.type=t,this.node=r}get value(){return this.node.value}set value(e){this.node.value=e}get id(){return this.node.id}get groupNode(){return this.node.groupNode}}class iS{constructor(e,t,r=!1,s=null){this.isNodeVar=!0,this.name=e,this.type=t,this.readOnly=r,this.count=s}}class nS extends iS{constructor(e,t,r=null,s=null){super(e,t),this.needsInterpolation=!1,this.isNodeVarying=!0,this.interpolationType=r,this.interpolationSampling=s}}class aS{constructor(e,t,r=""){this.name=e,this.type=t,this.code=r,Object.defineProperty(this,"isNodeCode",{value:!0})}}let oS=0;class uS{constructor(e=null){this.id=oS++,this.nodesData=new WeakMap,this.parent=e}getData(e){let t=this.nodesData.get(e);return void 0===t&&null!==this.parent&&(t=this.parent.getData(e)),t}setData(e,t){this.nodesData.set(e,t)}}class lS{constructor(e,t){this.name=e,this.members=t,this.output=!1}}class dS{constructor(e,t){this.name=e,this.value=t,this.boundary=0,this.itemSize=0,this.offset=0,this.index=-1}setValue(e){this.value=e}getValue(){return this.value}}class cS extends dS{constructor(e,t=0){super(e,t),this.isNumberUniform=!0,this.boundary=4,this.itemSize=1}}class hS extends dS{constructor(e,r=new t){super(e,r),this.isVector2Uniform=!0,this.boundary=8,this.itemSize=2}}class pS extends dS{constructor(e,t=new r){super(e,t),this.isVector3Uniform=!0,this.boundary=16,this.itemSize=3}}class gS extends dS{constructor(e,t=new s){super(e,t),this.isVector4Uniform=!0,this.boundary=16,this.itemSize=4}}class mS extends dS{constructor(t,r=new e){super(t,r),this.isColorUniform=!0,this.boundary=16,this.itemSize=3}}class fS extends dS{constructor(e,t=new i){super(e,t),this.isMatrix2Uniform=!0,this.boundary=8,this.itemSize=4}}class yS extends dS{constructor(e,t=new n){super(e,t),this.isMatrix3Uniform=!0,this.boundary=48,this.itemSize=12}}class bS extends dS{constructor(e,t=new a){super(e,t),this.isMatrix4Uniform=!0,this.boundary=64,this.itemSize=16}}class xS extends cS{constructor(e){super(e.name,e.value),this.nodeUniform=e}getValue(){return this.nodeUniform.value}getType(){return this.nodeUniform.type}}class TS extends hS{constructor(e){super(e.name,e.value),this.nodeUniform=e}getValue(){return this.nodeUniform.value}getType(){return this.nodeUniform.type}}class _S extends pS{constructor(e){super(e.name,e.value),this.nodeUniform=e}getValue(){return this.nodeUniform.value}getType(){return this.nodeUniform.type}}class vS extends gS{constructor(e){super(e.name,e.value),this.nodeUniform=e}getValue(){return this.nodeUniform.value}getType(){return this.nodeUniform.type}}class NS extends mS{constructor(e){super(e.name,e.value),this.nodeUniform=e}getValue(){return this.nodeUniform.value}getType(){return this.nodeUniform.type}}class SS extends fS{constructor(e){super(e.name,e.value),this.nodeUniform=e}getValue(){return this.nodeUniform.value}getType(){return this.nodeUniform.type}}class ES extends yS{constructor(e){super(e.name,e.value),this.nodeUniform=e}getValue(){return this.nodeUniform.value}getType(){return this.nodeUniform.type}}class RS extends bS{constructor(e){super(e.name,e.value),this.nodeUniform=e}getValue(){return this.nodeUniform.value}getType(){return this.nodeUniform.type}}let wS=0;const AS=new WeakMap,CS=new WeakMap,MS=new WeakMap,BS=new Map([[Int8Array,"int"],[Int16Array,"int"],[Int32Array,"int"],[Uint8Array,"uint"],[Uint16Array,"uint"],[Uint32Array,"uint"],[Float32Array,"float"]]),FS=e=>/e/g.test(e)?String(e).replace(/\+/g,""):(e=Number(e))+(e%1?"":".0"),LS=e=>{if(e.writeUsageCount>0)return!0;if(void 0!==e.subBuildsCache)for(const t in e.subBuildsCache)if(LS(e.subBuildsCache[t]))return!0;return!1};class PS{constructor(e,t,r){this.object=e,this.material=e&&e.material||null,this.geometry=e&&e.geometry||null,this.renderer=t,this.parser=r,this.scene=null,this.camera=null,this.nodes=new Set,this.sequentialNodes=new Set,this.updateNodes=[],this.updateBeforeNodes=[],this.updateAfterNodes=[],this.hashNodes={},this.observer=null,this.lightsNode=null,this.environmentNode=null,this.fogNode=null,this.clippingContext=null,this.hardwareClipping=!1,this.vertexShader=null,this.fragmentShader=null,this.computeShader=null,this.flowNodes={vertex:[],fragment:[],compute:[]},this.flowCode={vertex:"",fragment:"",compute:""},this.uniforms={vertex:[],fragment:[],compute:[],index:0},this.structs={vertex:[],fragment:[],compute:[],index:0},this.types={vertex:[],fragment:[],compute:[],index:0},this.bindings={vertex:{},fragment:{},compute:{}},this.bindingsIndexes={},this.bindGroups=null,this.attributes=[],this.bufferAttributes=[],this.varyings=[],this.codes={},this.vars={},this.declarations={},this.flow={code:""},this.chaining=[],this.stack=Lb(),this.stacks=[],this.tab="\t",this.currentFunctionNode=null,this.context={material:this.material},this.cache=new uS,this.globalCache=this.cache,this.flowsData=new WeakMap,this.shaderStage=null,this.buildStage=null,this.subBuildLayers=[],this.activeStacks=[],this.subBuildFn=null,this.fnCall=null,Object.defineProperty(this,"id",{value:wS++})}isFlatShading(){return!0===this.material.flatShading||!1===this.geometry.hasAttribute("normal")}isOpaque(){const e=this.material;return!1===e.transparent&&e.blending===tt&&!1===e.alphaToCoverage}createRenderTarget(e,t,r){return new ne(e,t,r)}createCubeRenderTarget(e,t){return new tm(e,t)}includes(e){return this.nodes.has(e)}getOutputType(e=0){let t="vec4";const r=this.renderer.getRenderTarget();if(null!==r){const s=r.textures[e].type,i=r.textures[e].format;let n="vec";s===E?n="ivec":s===S&&(n="uvec"),t=i===$e||i===We?s===E?"int":s===S?"uint":"float":i===$||i===qe?`${n}2`:i===Xe||i===Ye?`${n}3`:`${n}4`}return t}getOutputStructName(){}_getBindGroup(e,t){const r=t[0].groupNode;let s,i=r.shared;if(i)for(let e=1;ee.nodeUniform.node.id-t.nodeUniform.node.id);for(const t of e.uniforms)r+=t.nodeUniform.node.id}else r+=e.nodeUniform.id;const i=this.renderer._currentRenderContext||this.renderer;let n=AS.get(i);void 0===n&&(n=new Map,AS.set(i,n));const a=Gs(r);s=n.get(a),void 0===s&&(s=new eS(e,t),n.set(a,s))}else s=new eS(e,t);return s}getBindGroupArray(e,t){const r=this.bindings[t];let s=r[e];return void 0===s&&(void 0===this.bindingsIndexes[e]&&(this.bindingsIndexes[e]={binding:0,group:Object.keys(this.bindingsIndexes).length}),r[e]=s=[]),s}getBindings(){let e=this.bindGroups;if(null===e){const t={},r=this.bindings;for(const e of li)for(const s in r[e]){const i=r[e][s],n=t[s]||(t[s]=[]);for(const e of i)!1===n.includes(e)&&n.push(e)}e=[];for(const r in t){const s=t[r],i=this._getBindGroup(r,s);e.push(i)}this.bindGroups=e}return e}sortBindingGroups(){const e=this.getBindings();e.sort((e,t)=>e.bindings[0].groupNode.order-t.bindings[0].groupNode.order);for(let t=0;t=0?`${Math.round(n)}u`:"0u";if("bool"===i)return n?"true":"false";if("color"===i)return`${this.getType("vec3")}( ${FS(n.r)}, ${FS(n.g)}, ${FS(n.b)} )`;const a=this.getTypeLength(i),o=this.getComponentType(i),u=e=>this.generateConst(o,e);if(2===a)return`${this.getType(i)}( ${u(n.x)}, ${u(n.y)} )`;if(3===a)return`${this.getType(i)}( ${u(n.x)}, ${u(n.y)}, ${u(n.z)} )`;if(4===a&&"mat2"!==i)return`${this.getType(i)}( ${u(n.x)}, ${u(n.y)}, ${u(n.z)}, ${u(n.w)} )`;if(a>=4&&n&&(n.isMatrix2||n.isMatrix3||n.isMatrix4))return`${this.getType(i)}( ${n.elements.map(u).join(", ")} )`;if(a>4)return`${this.getType(i)}()`;throw new Error(`THREE.NodeBuilder: Type '${i}' not found in generate constant attempt.`)}getType(e){return"color"===e?"vec3":e}hasGeometryAttribute(e){return this.geometry&&void 0!==this.geometry.getAttribute(e)}getAttribute(e,t){const r=this.attributes;for(const t of r)if(t.name===e)return t;const s=new rS(e,t);return this.registerDeclaration(s),r.push(s),s}getPropertyName(e){return e.name}isVector(e){return/vec\d/.test(e)}isMatrix(e){return/mat\d/.test(e)}isReference(e){return"void"===e||"property"===e||"sampler"===e||"samplerComparison"===e||"texture"===e||"cubeTexture"===e||"storageTexture"===e||"depthTexture"===e||"texture3D"===e}needsToWorkingColorSpace(){return!1}getComponentTypeFromTexture(e){const t=e.type;return!0===e.isDepthTexture?"float":t===E?"int":t===S?"uint":"float"}getElementType(e){return"mat2"===e?"vec2":"mat3"===e?"vec3":"mat4"===e?"vec4":this.getComponentType(e)}getComponentType(e){if("float"===(e=this.getVectorType(e))||"bool"===e||"int"===e||"uint"===e)return e;const t=/(b|i|u|)(vec|mat)([2-4])/.exec(e);return null===t?null:"b"===t[1]?"bool":"i"===t[1]?"int":"u"===t[1]?"uint":"float"}getVectorType(e){return"color"===e?"vec3":"texture"===e||"cubeTexture"===e||"storageTexture"===e||"texture3D"===e?"vec4":e}getTypeFromLength(e,t="float"){if(1===e)return t;let r=js(e);const s="float"===t?"":t[0];return!0===/mat2/.test(t)&&(r=r.replace("vec","mat")),s+r}getTypeFromArray(e){return BS.get(e.constructor)}isInteger(e){return/int|uint|(i|u)vec/.test(e)}getTypeFromAttribute(e){let t=e;e.isInterleavedBufferAttribute&&(t=e.data);const r=t.array,s=e.itemSize,i=e.normalized;let n;return e instanceof xt||!0===i||(n=this.getTypeFromArray(r)),this.getTypeFromLength(s,n)}getTypeLength(e){const t=this.getVectorType(e),r=/vec([2-4])/.exec(t);return null!==r?Number(r[1]):"float"===t||"bool"===t||"int"===t||"uint"===t?1:!0===/mat2/.test(e)?4:!0===/mat3/.test(e)?9:!0===/mat4/.test(e)?16:0}getVectorFromMatrix(e){return e.replace("mat","vec")}changeComponentType(e,t){return this.getTypeFromLength(this.getTypeLength(e),t)}getIntegerType(e){const t=this.getComponentType(e);return"int"===t||"uint"===t?e:this.changeComponentType(e,"int")}setActiveStack(e){this.activeStacks.push(e)}removeActiveStack(e){if(this.activeStacks[this.activeStacks.length-1]!==e)throw new Error("THREE.NodeBuilder: Invalid active stack removal.");this.activeStacks.pop()}getActiveStack(){return this.activeStacks[this.activeStacks.length-1]}getBaseStack(){return this.activeStacks[0]}addStack(){this.stack=Lb(this.stack);const e=fn();return this.stacks.push(e),mn(this.stack),this.stack}removeStack(){const e=this.stack;for(const t of e.nodes){this.getDataFromNode(t).stack=e}return this.stack=e.parent,mn(this.stacks.pop()),e}getDataFromNode(e,t=this.shaderStage,r=null){let s=(r=null===r?e.isGlobal(this)?this.globalCache:this.cache:r).getData(e);void 0===s&&(s={},r.setData(e,s)),void 0===s[t]&&(s[t]={});let i=s[t];if(0===this.subBuildLayers.length)return i;const n=s.any?s.any.subBuilds:null,a=this.getClosestSubBuild(n);return a&&(void 0===i.subBuildsCache&&(i.subBuildsCache={}),i=i.subBuildsCache[a]||(i.subBuildsCache[a]={}),i.subBuilds=n),i}getNodeProperties(e,t="any"){const r=this.getDataFromNode(e,t);return r.properties||(r.properties={outputNode:null})}getBufferAttributeFromNode(e,t,r=null){const s=this.getDataFromNode(e,"vertex");let i=s.bufferAttribute;if(void 0===i){const n=this.uniforms.index++;null===r&&(r="nodeAttribute"+n),i=new rS(r,t,e),this.bufferAttributes.push(i),s.bufferAttribute=i}return i}getStructTypeNode(e,t=this.shaderStage){return this.types[t][e]||null}getStructTypeFromNode(e,t,r=null,s=this.shaderStage){const i=this.getDataFromNode(e,s,this.globalCache);let n=i.structType;if(void 0===n){const a=this.structs.index++;null===r&&(r="StructType"+a),n=new lS(r,t),this.structs[s].push(n),this.types[s][r]=e,i.structType=n}return n}getOutputStructTypeFromNode(e,t){const r=this.getStructTypeFromNode(e,t,"OutputType","fragment");return r.output=!0,r}getUniformFromNode(e,t,r=this.shaderStage,s=null){const i=this.getDataFromNode(e,r,this.globalCache);let n=i.uniform;if(void 0===n){const a=this.uniforms.index++;n=new sS(s||"nodeUniform"+a,t,e),this.uniforms[r].push(n),this.registerDeclaration(n),i.uniform=n}return n}getVarFromNode(e,t=null,r=e.getNodeType(this),s=this.shaderStage,i=!1){const n=this.getDataFromNode(e,s),a=this.getSubBuildProperty("variable",n.subBuilds);let o=n[a];if(void 0===o){const u=i?"_const":"_var",l=this.vars[s]||(this.vars[s]=[]),d=this.vars[u]||(this.vars[u]=0);null===t&&(t=(i?"nodeConst":"nodeVar")+d,this.vars[u]++),"variable"!==a&&(t=this.getSubBuildProperty(t,n.subBuilds));const c=e.getArrayCount(this);o=new iS(t,r,i,c),i||l.push(o),this.registerDeclaration(o),n[a]=o}return o}isDeterministic(e){if(e.isMathNode)return this.isDeterministic(e.aNode)&&(!e.bNode||this.isDeterministic(e.bNode))&&(!e.cNode||this.isDeterministic(e.cNode));if(e.isOperatorNode)return this.isDeterministic(e.aNode)&&(!e.bNode||this.isDeterministic(e.bNode));if(e.isArrayNode){if(null!==e.values)for(const t of e.values)if(!this.isDeterministic(t))return!1;return!0}return!!e.isConstNode}getVaryingFromNode(e,t=null,r=e.getNodeType(this),s=null,i=null){const n=this.getDataFromNode(e,"any"),a=this.getSubBuildProperty("varying",n.subBuilds);let o=n[a];if(void 0===o){const e=this.varyings,u=e.length;null===t&&(t="nodeVarying"+u),"varying"!==a&&(t=this.getSubBuildProperty(t,n.subBuilds)),o=new nS(t,r,s,i),e.push(o),this.registerDeclaration(o),n[a]=o}return o}registerDeclaration(e){const t=this.shaderStage,r=this.declarations[t]||(this.declarations[t]={}),s=e.name;let i=s,n=this.getPropertyName(e),a=1;for(;void 0!==r[n];)i=s+"_"+a++,e.name=i,n=this.getPropertyName(e);i!==s&&d(`TSL: Declaration name '${s}' of '${e.type}' already in use. Renamed to '${i}'.`),r[n]=e}getCodeFromNode(e,t,r=this.shaderStage){const s=this.getDataFromNode(e);let i=s.code;if(void 0===i){const e=this.codes[r]||(this.codes[r]=[]),n=e.length;i=new aS("nodeCode"+n,t),e.push(i),s.code=i}return i}addFlowCodeHierarchy(e,t){const{flowCodes:r,flowCodeBlock:s}=this.getDataFromNode(e);let i=!0,n=t;for(;n;){if(!0===s.get(n)){i=!1;break}n=this.getDataFromNode(n).parentNodeBlock}if(i)for(const e of r)this.addLineFlowCode(e)}addLineFlowCodeBlock(e,t,r){const s=this.getDataFromNode(e),i=s.flowCodes||(s.flowCodes=[]),n=s.flowCodeBlock||(s.flowCodeBlock=new WeakMap);i.push(t),n.set(r,!0)}addLineFlowCode(e,t=null){return""===e||(null!==t&&this.context.nodeBlock&&this.addLineFlowCodeBlock(t,e,this.context.nodeBlock),e=this.tab+e,/;\s*$/.test(e)||(e+=";\n"),this.flow.code+=e),this}addFlowCode(e){return this.flow.code+=e,this}addFlowTab(){return this.tab+="\t",this}removeFlowTab(){return this.tab=this.tab.slice(0,-1),this}getFlowData(e){return this.flowsData.get(e)}flowNode(e){const t=e.getNodeType(this),r=this.flowChildNode(e,t);return this.flowsData.set(e,r),r}addInclude(e){null!==this.currentFunctionNode&&this.currentFunctionNode.includes.push(e)}buildFunctionNode(e){const t=this.renderer.backend;let r=CS.get(t);void 0===r&&(r=new WeakMap,CS.set(t,r));let s=r.get(e);if(void 0===s){s=new KT;const t=this.currentFunctionNode;this.currentFunctionNode=s,s.code=this.buildFunctionCode(e),this.currentFunctionNode=t,r.set(e,s)}return s}flowShaderNode(e){const t=e.layout,r={[Symbol.iterator](){let e=0;const t=Object.values(this);return{next:()=>({value:t[e],done:e++>=t.length})}}};for(const e of t.inputs)r[e.name]=new Bb(e.type,e.name);e.layout=null;const s=e.call(r),i=this.flowStagesNode(s,t.type);return e.layout=t,i}flowBuildStage(e,t,r=null){const s=this.getBuildStage();this.setBuildStage(t);const i=e.build(this,r);return this.setBuildStage(s),i}flowStagesNode(e,t=null){const r=this.flow,s=this.vars,i=this.declarations,n=this.cache,a=this.buildStage,o=this.stack,u={code:""};this.flow=u,this.vars={},this.declarations={},this.cache=new uS,this.stack=Lb();for(const r of ui)this.setBuildStage(r),u.result=e.build(this,t);return u.vars=this.getVars(this.shaderStage),this.flow=r,this.vars=s,this.declarations=i,this.cache=n,this.stack=o,this.setBuildStage(a),u}getFunctionOperator(){return null}buildFunctionCode(){d("Abstract function.")}flowChildNode(e,t=null){const r=this.flow,s={code:""};return this.flow=s,s.result=e.build(this,t),this.flow=r,s}flowNodeFromShaderStage(e,t,r=null,s=null){const i=this.tab,n=this.cache,a=this.shaderStage,o=this.context;this.setShaderStage(e);const u={...this.context};delete u.nodeBlock,this.cache=this.globalCache,this.tab="\t",this.context=u;let l=null;if("generate"===this.buildStage){const i=this.flowChildNode(t,r);null!==s&&(i.code+=`${this.tab+s} = ${i.result};\n`),this.flowCode[e]=this.flowCode[e]+i.code,l=i}else l=t.build(this);return this.setShaderStage(a),this.cache=n,this.tab=i,this.context=o,l}getAttributesArray(){return this.attributes.concat(this.bufferAttributes)}getAttributes(){d("Abstract function.")}getVaryings(){d("Abstract function.")}getVar(e,t,r=null){return`${null!==r?this.generateArrayDeclaration(e,r):this.getType(e)} ${t}`}getVars(e,t=!1){const r=[],s=this.vars[e];if(void 0!==s)for(const e of s)r.push(`${this.getVar(e.type,e.name,e.count)};`);return r.join(t?"\n":"\n\t")}getUniforms(){d("Abstract function.")}getCodes(e){const t=this.codes[e];let r="";if(void 0!==t)for(const e of t)r+=e.code+"\n";return r}getHash(){return this.vertexShader+this.fragmentShader+this.computeShader}setShaderStage(e){this.shaderStage=e}getShaderStage(){return this.shaderStage}setBuildStage(e){this.buildStage=e}getBuildStage(){return this.buildStage}buildCode(){d("Abstract function.")}get subBuild(){return this.subBuildLayers[this.subBuildLayers.length-1]||null}addSubBuild(e){this.subBuildLayers.push(e)}removeSubBuild(){return this.subBuildLayers.pop()}getClosestSubBuild(e){let t;if(t=e&&e.isNode?e.isShaderCallNodeInternal?e.shaderNode.subBuilds:e.isStackNode?[e.subBuild]:this.getDataFromNode(e,"any").subBuilds:e instanceof Set?[...e]:e,!t)return null;const r=this.subBuildLayers;for(let e=t.length-1;e>=0;e--){const s=t[e];if(r.includes(s))return s}return null}getSubBuildOutput(e){return this.getSubBuildProperty("outputNode",e)}getSubBuildProperty(e="",t=null){let r,s;return r=null!==t?this.getClosestSubBuild(t):this.subBuildFn,s=r?e?r+"_"+e:r:e,s}prebuild(){const{object:e,renderer:t,material:r}=this;if(!0===t.contextNode.isContextNode?this.context={...this.context,...t.contextNode.getFlowContextData()}:o('NodeBuilder: "renderer.contextNode" must be an instance of `context()`.'),r&&r.contextNode&&(!0===r.contextNode.isContextNode?this.context={...this.context,...r.contextNode.getFlowContextData()}:o('NodeBuilder: "material.contextNode" must be an instance of `context()`.')),null!==r){let e=t.library.fromMaterial(r);null===e&&(o(`NodeBuilder: Material "${r.type}" is not compatible.`),e=new Dg),e.build(this)}else this.addFlow("compute",e)}build(){this.prebuild();for(const e of ui){this.setBuildStage(e),this.context.position&&this.context.position.isNode&&this.flowNodeFromShaderStage("vertex",this.context.position);for(const t of li){this.setShaderStage(t);const r=this.flowNodes[t];for(const t of r)"generate"===e?this.flowNode(t):t.build(this)}}return this.setBuildStage(null),this.setShaderStage(null),this.buildCode(),this.buildUpdateNodes(),this}async buildAsync(){this.prebuild();for(const e of ui){this.setBuildStage(e),this.context.position&&this.context.position.isNode&&this.flowNodeFromShaderStage("vertex",this.context.position);for(const t of li){this.setShaderStage(t);const r=this.flowNodes[t];for(const t of r)"generate"===e?this.flowNode(t):t.build(this);await Tt()}}return this.setBuildStage(null),this.setShaderStage(null),this.buildCode(),this.buildUpdateNodes(),this}getSharedDataFromNode(e){let t=MS.get(e);return void 0===t&&(t={}),t}getNodeUniform(e,t){const r=this.getSharedDataFromNode(e);let s=r.cache;if(void 0===s){if("float"===t||"int"===t||"uint"===t)s=new xS(e);else if("vec2"===t||"ivec2"===t||"uvec2"===t)s=new TS(e);else if("vec3"===t||"ivec3"===t||"uvec3"===t)s=new _S(e);else if("vec4"===t||"ivec4"===t||"uvec4"===t)s=new vS(e);else if("color"===t)s=new NS(e);else if("mat2"===t)s=new SS(e);else if("mat3"===t)s=new ES(e);else{if("mat4"!==t)throw new Error(`THREE.NodeBuilder: Uniform "${t}" not implemented.`);s=new RS(e)}r.cache=s}return s}format(e,t,r){if((t=this.getVectorType(t))===(r=this.getVectorType(r))||null===r||this.isReference(r))return e;const s=this.getTypeLength(t),i=this.getTypeLength(r);return 16===s&&9===i?`${this.getType(r)}( ${e}[ 0 ].xyz, ${e}[ 1 ].xyz, ${e}[ 2 ].xyz )`:9===s&&4===i?`${this.getType(r)}( ${e}[ 0 ].xy, ${e}[ 1 ].xy )`:s>4||i>4||0===i?e:s===i?`${this.getType(r)}( ${e} )`:s>i?(e="bool"===r?`all( ${e} )`:`${e}.${"xyz".slice(0,i)}`,this.format(e,this.getTypeFromLength(i,this.getComponentType(t)),r)):4===i&&s>1?`${this.getType(r)}( ${this.format(e,t,"vec3")}, 1.0 )`:2===s?`${this.getType(r)}( ${this.format(e,t,"vec2")}, 0.0 )`:(1===s&&i>1&&t!==this.getComponentType(r)&&(e=`${this.getType(this.getComponentType(r))}( ${e} )`),`${this.getType(r)}( ${e} )`)}getSignature(){return`// Three.js r${_t} - Node System\n`}needsPreviousData(){const e=this.renderer.getMRT();return e&&e.has("velocity")||!0===Js(this.object).useVelocity}}class US{constructor(){this.time=0,this.deltaTime=0,this.frameId=0,this.renderId=0,this.updateMap=new WeakMap,this.updateBeforeMap=new WeakMap,this.updateAfterMap=new WeakMap,this.renderer=null,this.material=null,this.camera=null,this.object=null,this.scene=null}_getMaps(e,t){let r=e.get(t);return void 0===r&&(r={renderId:0,frameId:0},e.set(t,r)),r}updateBeforeNode(e){const t=e.getUpdateBeforeType(),r=e.updateReference(this);if(t===ii.FRAME){const t=this._getMaps(this.updateBeforeMap,r);if(t.frameId!==this.frameId){const r=t.frameId;t.frameId=this.frameId,!1===e.updateBefore(this)&&(t.frameId=r)}}else if(t===ii.RENDER){const t=this._getMaps(this.updateBeforeMap,r);if(t.renderId!==this.renderId){const r=t.renderId;t.renderId=this.renderId,!1===e.updateBefore(this)&&(t.renderId=r)}}else t===ii.OBJECT&&e.updateBefore(this)}updateAfterNode(e){const t=e.getUpdateAfterType(),r=e.updateReference(this);if(t===ii.FRAME){const t=this._getMaps(this.updateAfterMap,r);t.frameId!==this.frameId&&!1!==e.updateAfter(this)&&(t.frameId=this.frameId)}else if(t===ii.RENDER){const t=this._getMaps(this.updateAfterMap,r);t.renderId!==this.renderId&&!1!==e.updateAfter(this)&&(t.renderId=this.renderId)}else t===ii.OBJECT&&e.updateAfter(this)}updateNode(e){const t=e.getUpdateType(),r=e.updateReference(this);if(t===ii.FRAME){const t=this._getMaps(this.updateMap,r);t.frameId!==this.frameId&&!1!==e.update(this)&&(t.frameId=this.frameId)}else if(t===ii.RENDER){const t=this._getMaps(this.updateMap,r);t.renderId!==this.renderId&&!1!==e.update(this)&&(t.renderId=this.renderId)}else t===ii.OBJECT&&e.update(this)}update(){this.frameId++,void 0===this.lastTime&&(this.lastTime=performance.now()),this.deltaTime=(performance.now()-this.lastTime)/1e3,this.lastTime=performance.now(),this.time+=this.deltaTime}}class DS{constructor(e,t,r=null,s="",i=!1){this.type=e,this.name=t,this.count=r,this.qualifier=s,this.isConst=i}}DS.isNodeFunctionInput=!0;class OS extends Qv{static get type(){return"AmbientLightNode"}constructor(e=null){super(e)}setup({context:e}){e.irradiance.addAssign(this.colorNode)}}class IS extends Qv{static get type(){return"DirectionalLightNode"}constructor(e=null){super(e)}setupDirect(){const e=this.colorNode;return{lightDirection:tv(this.light),lightColor:e}}}class VS extends Qv{static get type(){return"HemisphereLightNode"}constructor(t=null){super(t),this.lightPositionNode=Z_(t),this.lightDirectionNode=this.lightPositionNode.normalize(),this.groundColorNode=Aa(new e).setGroup(Ea)}update(e){const{light:t}=this;super.update(e),this.lightPositionNode.object3d=t,this.groundColorNode.value.copy(t.groundColor).multiplyScalar(t.intensity)}setup(e){const{colorNode:t,groundColorNode:r,lightDirectionNode:s}=this,i=Fc.dot(s).mul(.5).add(.5),n=xu(r,t,i);e.context.irradiance.addAssign(n)}}class kS extends Qv{static get type(){return"SpotLightNode"}constructor(e=null){super(e),this.coneCosNode=Aa(0).setGroup(Ea),this.penumbraCosNode=Aa(0).setGroup(Ea),this.cutoffDistanceNode=Aa(0).setGroup(Ea),this.decayExponentNode=Aa(0).setGroup(Ea),this.colorNode=Aa(this.color).setGroup(Ea)}update(e){super.update(e);const{light:t}=this;this.coneCosNode.value=Math.cos(t.angle),this.penumbraCosNode.value=Math.cos(t.angle*(1-t.penumbra)),this.cutoffDistanceNode.value=t.distance,this.decayExponentNode.value=t.decay}getSpotAttenuation(e,t){const{coneCosNode:r,penumbraCosNode:s}=this;return Nu(r,s,t)}getLightCoord(e){const t=e.getNodeProperties(this);let r=t.projectionUV;return void 0===r&&(r=K_(this.light,e.context.positionWorld),t.projectionUV=r),r}setupDirect(e){const{colorNode:t,cutoffDistanceNode:r,decayExponentNode:s,light:i}=this,n=this.getLightVector(e),a=n.normalize(),o=a.dot(tv(i)),u=this.getSpotAttenuation(e,o),l=n.length(),d=Kv({lightDistance:l,cutoffDistance:r,decayExponent:s});let c,h,p=t.mul(u).mul(d);if(i.colorNode?(h=this.getLightCoord(e),c=i.colorNode(h)):i.map&&(h=this.getLightCoord(e),c=rd(i.map,h.xy).onRenderUpdate(()=>i.map)),c){p=h.mul(2).sub(1).abs().lessThan(1).all().select(p.mul(c),p)}return{lightColor:p,lightDirection:a}}}class GS extends kS{static get type(){return"IESSpotLightNode"}constructor(e=null){super(e),this._iesTextureNode=null}getSpotAttenuation(e,t){const r=this.light.iesMap;let s=null;if(r&&!0===r.isTexture){const e=t.acos().mul(1/Math.PI);this._iesTextureNode=rd(r,Sn(e,0),0),s=this._iesTextureNode.r}else s=super.getSpotAttenuation(e,t);return s}update(e){super.update(e),null!==this._iesTextureNode&&this.light.iesMap&&(this._iesTextureNode.value=this.light.iesMap)}}class zS extends Qv{static get type(){return"LightProbeNode"}constructor(e=null){super(e);const t=[];for(let e=0;e<9;e++)t.push(new r);this.lightProbe=ud(t)}update(e){const{light:t}=this;super.update(e);for(let e=0;e<9;e++)this.lightProbe.array[e].copy(t.sh.coefficients[e]).multiplyScalar(t.intensity)}setup(e){const t=YN(Fc,this.lightProbe);e.context.irradiance.addAssign(t)}}const $S=gn(([e,t])=>{const r=e.abs().sub(t);return Wo(su(r,0)).add(ru(su(r.x,r.y),0))});class WS extends kS{static get type(){return"ProjectorLightNode"}update(e){super.update(e);const t=this.light;if(this.penumbraCosNode.value=Math.min(Math.cos(t.angle*(1-t.penumbra)),.99999),null===t.aspect){let e=1;null!==t.map&&(e=t.map.width/t.map.height),t.shadow.aspect=e}else t.shadow.aspect=t.aspect}getSpotAttenuation(e){const t=Tn(0),r=this.penumbraCosNode,s=Q_(this.light).mul(e.context.positionWorld||bc);return yn(s.w.greaterThan(0),()=>{const e=s.xyz.div(s.w),i=$S(e.xy.sub(Sn(.5)),Sn(.5)),n=ka(-1,Ia(1,Io(r)).sub(1));t.assign(_u(i.mul(-2).mul(n)))}),t}}const HS=new a,jS=new a;let qS=null;class XS extends Qv{static get type(){return"RectAreaLightNode"}constructor(e=null){super(e),this.halfHeight=Aa(new r).setGroup(Ea),this.halfWidth=Aa(new r).setGroup(Ea),this.updateType=ii.RENDER}update(e){super.update(e);const{light:t}=this,r=e.camera.matrixWorldInverse;jS.identity(),HS.copy(t.matrixWorld),HS.premultiply(r),jS.extractRotation(HS),this.halfWidth.value.set(.5*t.width,0,0),this.halfHeight.value.set(0,.5*t.height,0),this.halfWidth.value.applyMatrix4(jS),this.halfHeight.value.applyMatrix4(jS)}setupDirectRectArea(e){let t,r;e.isAvailable("float32Filterable")?(t=rd(qS.LTC_FLOAT_1),r=rd(qS.LTC_FLOAT_2)):(t=rd(qS.LTC_HALF_1),r=rd(qS.LTC_HALF_2));const{colorNode:s,light:i}=this;return{lightColor:s,lightPosition:ev(i),halfWidth:this.halfWidth,halfHeight:this.halfHeight,ltc_1:t,ltc_2:r}}static setLTC(e){qS=e}}class YS{parseFunction(){d("Abstract function.")}}class QS{constructor(e,t,r="",s=""){this.type=e,this.inputs=t,this.name=r,this.precision=s}getCode(){d("Abstract function.")}}QS.isNodeFunction=!0;const KS=/^\s*(highp|mediump|lowp)?\s*([a-z_0-9]+)\s*([a-z_0-9]+)?\s*\(([\s\S]*?)\)/i,ZS=/[a-z_0-9]+/gi,JS="#pragma main";class eE extends QS{constructor(e){const{type:t,inputs:r,name:s,precision:i,inputsCode:n,blockCode:a,headerCode:o}=(e=>{const t=(e=e.trim()).indexOf(JS),r=-1!==t?e.slice(t+12):e,s=r.match(KS);if(null!==s&&5===s.length){const i=s[4],n=[];let a=null;for(;null!==(a=ZS.exec(i));)n.push(a);const o=[];let u=0;for(;u{let r=this._createNodeBuilder(e,e.material);try{t?await r.buildAsync():r.build()}catch(s){r=this._createNodeBuilder(e,new Dg),t?await r.buildAsync():r.build(),o("TSL: "+s)}return r})().then(e=>(s=this._createNodeBuilderState(e),i.set(n,s),s.usedTimes++,r.nodeBuilderState=s,s));{let t=this._createNodeBuilder(e,e.material);try{t.build()}catch(r){t=this._createNodeBuilder(e,new Dg),t.build();let s=r.stackTrace;!s&&r.stack&&(s=new Vs(r.stack)),o("TSL: "+r,s)}s=this._createNodeBuilderState(t),i.set(n,s)}}s.usedTimes++,r.nodeBuilderState=s}return s}getForRenderAsync(e){const t=this.getForRender(e,!0);return t.then?t:Promise.resolve(t)}getForRenderDeferred(e){const t=this.get(e);if(void 0!==t.nodeBuilderState)return t.nodeBuilderState;const r=this.getForRenderCacheKey(e),s=this.nodeBuilderCache.get(r);return void 0!==s?(s.usedTimes++,t.nodeBuilderState=s,s):(!0!==t.pendingBuild&&(t.pendingBuild=!0,this._buildQueue.push(()=>this.getForRenderAsync(e).then(()=>{t.pendingBuild=!1})),this._processBuildQueue()),null)}_processBuildQueue(){if(this._buildInProgress||0===this._buildQueue.length)return;this._buildInProgress=!0;this._buildQueue.shift()().then(()=>{this._buildInProgress=!1,this._processBuildQueue()})}delete(e){if(e.isRenderObject){const t=this.get(e).nodeBuilderState;void 0!==t&&(t.usedTimes--,0===t.usedTimes&&this.nodeBuilderCache.delete(this.getForRenderCacheKey(e)))}return super.delete(e)}getForCompute(e){const t=this.get(e);let r=t.nodeBuilderState;if(void 0===r||t.version!==e.version){const s=this.backend.createNodeBuilder(e,this.renderer);s.build(),r=this._createNodeBuilderState(s),t.nodeBuilderState=r,t.version=e.version}return r}_createNodeBuilderState(e){return new tS(e.vertexShader,e.fragmentShader,e.computeShader,e.getAttributesArray(),e.getBindings(),e.updateNodes,e.updateBeforeNodes,e.updateAfterNodes,e.observer,e.hardwareClipping,e.transforms)}getEnvironmentNode(e){if(!1===this.renderer.lighting.enabled)return null;this.updateEnvironment(e);let t=null;if(e.environmentNode&&e.environmentNode.isNode)t=e.environmentNode;else{const r=this.get(e);r.environmentNode&&(t=r.environmentNode)}return t}getBackgroundNode(e){this.updateBackground(e);let t=null;if(e.backgroundNode&&e.backgroundNode.isNode)t=e.backgroundNode;else{const r=this.get(e);r.backgroundNode&&(t=r.backgroundNode)}return t}getFogNode(e){return this.updateFog(e),e.fogNode||this.get(e).fogNode||null}getCacheKey(e,t){rE[0]=e,rE[1]=t;const r=this.renderer.info.calls,s=this.callHashCache.get(rE)||{};if(s.callId!==r){if(sE.push(this.renderer.getOutputRenderTarget()&&this.renderer.getOutputRenderTarget().multiview?1:0),sE.push(this.renderer.lighting.enabled?1:0),this.renderer.lighting.enabled){sE.push(t.getCacheKey(!0)),sE.push(this.renderer.shadowMap.enabled?1:0),sE.push(this.renderer.shadowMap.type);const r=this.getEnvironmentNode(e);r&&sE.push(r.getCacheKey())}const i=this.getFogNode(e);i&&sE.push(i.getCacheKey()),s.callId=r,s.cacheKey=zs(sE),this.callHashCache.set(rE,s),sE.length=0}return rE[0]=null,rE[1]=null,s.cacheKey}get isToneMappingState(){return!this.renderer.getRenderTarget()}updateBackground(e){const t=this.get(e),r=e.background;if(r){const s=0===e.backgroundBlurriness&&t.backgroundBlurriness>0||e.backgroundBlurriness>0&&0===t.backgroundBlurriness;if(t.background!==r||s){const i=this.getCacheNode("background",r,()=>{if(!0===r.isCubeTexture||r.mapping===ce||r.mapping===he||r.mapping===we){if(e.backgroundBlurriness>0||r.mapping===we)return uy(r);{let e;return e=!0===r.isCubeTexture?Qc(r):rd(r),am(e)}}if(!0===r.isTexture)return rd(r,md.flipY()).setUpdateMatrix(!0);!0!==r.isColor&&o("WebGPUNodes: Unsupported background configuration.",r)},s);t.backgroundNode=i,t.background=r,t.backgroundBlurriness=e.backgroundBlurriness}}else t.backgroundNode&&(delete t.backgroundNode,delete t.background)}getCacheNode(e,t,r,s=!1){const i=this.cacheLib[e]||(this.cacheLib[e]=new WeakMap);let n=i.get(t);return(void 0===n||s)&&(n=r(),i.set(t,n)),n}updateFog(e){const t=this.get(e),r=e.fog;if(r){if(t.fog!==r){const e=this.getCacheNode("fog",r,()=>{if(r.isFogExp2){const e=Jc("color","color",r).setGroup(Ea),t=Jc("density","float",r).setGroup(Ea);return s_(e,t_(t))}if(r.isFog){const e=Jc("color","color",r).setGroup(Ea),t=Jc("near","float",r).setGroup(Ea),s=Jc("far","float",r).setGroup(Ea);return s_(e,e_(t,s))}o("Renderer: Unsupported fog configuration.",r)});t.fogNode=e,t.fog=r}}else delete t.fogNode,delete t.fog}updateEnvironment(e){const t=this.get(e),r=e.environment;if(r){if(t.environment!==r){const e=this.getCacheNode("environment",r,()=>!0===r.isCubeTexture?Qc(r):!0===r.isTexture?rd(r):void o("Nodes: Unsupported environment configuration.",r));t.environmentNode=e,t.environment=r}}else t.environmentNode&&(delete t.environmentNode,delete t.environment)}getNodeFrame(e=this.renderer,t=null,r=null,s=null,i=null){const n=this.nodeFrame;return n.renderer=e,n.scene=t,n.object=r,n.camera=s,n.material=i,n}getNodeFrameForRender(e){return this.getNodeFrame(e.renderer,e.scene,e.object,e.camera,e.material)}getOutputCacheKey(){const e=this.renderer;return e.toneMapping+","+e.currentColorSpace+","+e.xr.isPresenting}getOutputNode(e){const t=this.renderer;let r;return r=e.isArrayTexture?this.backend.isWebGLBackend?rd(e,md).depth(dd("gl_ViewID_OVR")).renderOutput(t.toneMapping,t.currentColorSpace):rd(e,md).depth(iE).renderOutput(t.toneMapping,t.currentColorSpace):rd(e,md).renderOutput(t.toneMapping,t.currentColorSpace),r}setOutputLayerIndex(e){iE.value=e}updateBefore(e){const t=e.getNodeBuilderState();for(const r of t.updateBeforeNodes)this.getNodeFrameForRender(e).updateBeforeNode(r)}updateAfter(e){const t=e.getNodeBuilderState();for(const r of t.updateAfterNodes)this.getNodeFrameForRender(e).updateAfterNode(r)}updateForCompute(e){const t=this.getNodeFrame(),r=this.getForCompute(e);for(const e of r.updateNodes)t.updateNode(e)}updateForRender(e){const t=this.getNodeFrameForRender(e),r=e.getNodeBuilderState();for(const e of r.updateNodes)t.updateNode(e)}needsRefresh(e){const t=this.getNodeFrameForRender(e);return e.getMonitor().needsRefresh(e,t)}dispose(){super.dispose(),this.nodeFrame=new US,this.nodeBuilderCache=new Map,this.cacheLib={}}}const aE=new ut;class oE{constructor(e=null){this.version=0,this.clipIntersection=null,this.cacheKey="",this.shadowPass=!1,this.viewMatrix=new a,this.viewNormalMatrix=new n,this.clippingGroupContexts=new WeakMap,this.intersectionPlanes=[],this.unionPlanes=[],this.parentVersion=null,null!==e&&(this.viewMatrix=e.viewMatrix,this.viewNormalMatrix=e.viewNormalMatrix,this.clippingGroupContexts=e.clippingGroupContexts,this.shadowPass=e.shadowPass)}projectPlanes(e,t,r){const s=e.length;for(let i=0;i0&&(v("THREE.XRManager: WebGPU XR does not support MSAA yet. Disabling MSAA for this XR session."),null===this._currentSamples&&(this._currentSamples=e.samples),e._samples=0)}}async _initWebGPUSession(e){const t=this.getWebGPUBinding(),r=t.createProjectionLayer({colorFormat:t.getPreferredColorFormat(),depthStencilFormat:"depth24plus"});this._glProjLayer=r,e.updateRenderState({layers:[r]}),this._referenceSpace=await e.requestReferenceSpace(this.getReferenceSpaceType()),this._xrRenderTarget=new ne(r.textureWidth,r.textureHeight,{depth:2,minFilter:le,magFilter:le,depthBuffer:!0,multiview:!1,useArrayDepthTexture:!0,samples:0}),this._xrRenderTarget.texture.isArrayTexture=!0,!0===this._useMultiviewIfPossible&&v("THREE.XRManager: WebGPU XR does not support multiview yet. Disabling multiview for this XR session."),this._useMultiview=!1}_disposeWebGPUSession(){const e=this._renderer,t=this._xrRenderTarget;if(null===t||!0!==e.backend.isWebGPUBackend)return;const r=e.backend,s=e._textures,i=r.get?r.get(t):null;i&&(i.descriptors=void 0);const n=e=>{null!=e&&(r.delete&&r.delete(e),s.delete&&s.delete(e))};for(let e=0;eVl(e,i.toneMapping,i.outputColorSpace)}),bE.set(r,n))}else n=r;i.contextNode=n,i.setRenderTarget(t.renderTarget),t.rendercall(),i.contextNode=r}i.setRenderTarget(o),i._setXRLayerSize(a.x,a.y),this.isPresenting=n}getSession(){return this._session}async setSession(e){const t=this._renderer;!1===t.initialized&&await t.init(),this._gl=t.getContext();const r=this._gl;if(this._session=e,null!==e){if(e.addEventListener("select",this._onSessionEvent),e.addEventListener("selectstart",this._onSessionEvent),e.addEventListener("selectend",this._onSessionEvent),e.addEventListener("squeeze",this._onSessionEvent),e.addEventListener("squeezestart",this._onSessionEvent),e.addEventListener("squeezeend",this._onSessionEvent),e.addEventListener("end",this._onSessionEnd),e.addEventListener("inputsourceschange",this._onInputSourcesChange),this._validateWebGPUSession(),this._currentPixelRatio=t.getPixelRatio(),t.getSize(this._currentSize),this._currentAnimationContext=t._animation.getContext(),this._currentAnimationLoop=t._animation.getAnimationLoop(),t._animation.stop(),this._isWebGPUSession())await this._initWebGPUSession(e);else if(!0===this._supportsLayers){let s=null,i=null,n=null;const a=r.getContextAttributes();await t.backend.makeXRCompatible(),this.setFoveation(this.getFoveation()),t.depth&&(n=t.stencil?r.DEPTH24_STENCIL8:r.DEPTH_COMPONENT24,s=t.stencil?je:He,i=t.stencil?Ze:S);const o={colorFormat:r.RGBA8,depthFormat:n,scaleFactor:this._framebufferScaleFactor,clearOnAccess:!1};this._useMultiviewIfPossible&&t.hasFeature("OVR_multiview2")&&(o.textureType="texture-array",this._useMultiview=!0),this._glBinding=this.getBinding();const u=this._glBinding.createProjectionLayer(o),l=[u];this._glProjLayer=u,t.setPixelRatio(1),t._setXRLayerSize(u.textureWidth,u.textureHeight);const d=this._useMultiview?2:1,c=new Z(u.textureWidth,u.textureHeight,i,void 0,void 0,void 0,void 0,void 0,void 0,s,d);if(this._xrRenderTarget=new mE(u.textureWidth,u.textureHeight,{format:Re,type:Ve,colorSpace:t.outputColorSpace,depthTexture:c,stencilBuffer:t.stencil,samples:a.antialias?4:0,resolveDepthBuffer:!1===u.ignoreDepthValues,resolveStencilBuffer:!1===u.ignoreDepthValues,depth:this._useMultiview?2:1,multiview:this._useMultiview}),this._xrRenderTarget._hasExternalTextures=!0,this._xrRenderTarget.depth=this._useMultiview?2:1,this._sessionUsesLayers=e.enabledFeatures.includes("layers"),this._referenceSpace=await e.requestReferenceSpace(this.getReferenceSpaceType()),this._sessionUsesLayers)for(const e of this._layers)e.plane.material=new fe({color:16777215,side:"cylinder"===e.type?L:St}),e.plane.material.blending=Et,e.plane.material.blendEquation=it,e.plane.material.blendSrc=Rt,e.plane.material.blendDst=Rt,e.xrlayer=this._createXRLayer(e),l.unshift(e.xrlayer);e.updateRenderState({layers:l})}else{await t.backend.makeXRCompatible(),this.setFoveation(this.getFoveation());const s={antialias:t.currentSamples>0,alpha:!0,depth:t.depth,stencil:t.stencil,framebufferScaleFactor:this.getFramebufferScaleFactor()},i=new XRWebGLLayer(e,r,s);this._glBaseLayer=i,e.updateRenderState({baseLayer:i}),t.setPixelRatio(1),t._setXRLayerSize(i.framebufferWidth,i.framebufferHeight),this._xrRenderTarget=new mE(i.framebufferWidth,i.framebufferHeight,{format:Re,type:Ve,colorSpace:t.outputColorSpace,stencilBuffer:t.stencil,resolveDepthBuffer:!1===i.ignoreDepthValues,resolveStencilBuffer:!1===i.ignoreDepthValues}),this._xrRenderTarget._isOpaqueFramebuffer=!0,this._referenceSpace=await e.requestReferenceSpace(this.getReferenceSpaceType())}t._animation.setAnimationLoop(this._onAnimationFrame),t._animation.setContext(e),t._animation.start(),this.isPresenting=!0,this.dispatchEvent({type:"sessionstart"})}}updateCamera(e){const t=this._session;if(null===t)return;const r=e.near,s=e.far,i=this._cameraXR,n=this._cameraL,a=this._cameraR;i.near=a.near=n.near=r,i.far=a.far=n.far=s,i.isMultiViewCamera=this._useMultiview,this._currentDepthNear===i.near&&this._currentDepthFar===i.far||(t.updateRenderState({depthNear:i.near,depthFar:i.far}),this._currentDepthNear=i.near,this._currentDepthFar=i.far),i.layers.mask=6|e.layers.mask,n.layers.mask=-5&i.layers.mask,a.layers.mask=-3&i.layers.mask;const o=e.parent,u=i.cameras;TE(i,o);for(let e=0;e=0&&(r[n]=null,t[n].disconnect(i))}for(let s=0;s=r.length){r.push(i),n=e;break}if(null===r[e]){r[e]=i,n=e;break}}if(-1===n)break}const a=t[n];a&&a.connect(i)}}function SE(e){return"quad"===e.type?this._glBinding.createQuadLayer({transform:new XRRigidTransform(e.translation,e.quaternion),width:e.width/2,height:e.height/2,space:this._referenceSpace,viewPixelWidth:e.pixelwidth,viewPixelHeight:e.pixelheight,clearOnAccess:!1}):this._glBinding.createCylinderLayer({transform:new XRRigidTransform(e.translation,e.quaternion),radius:e.radius,centralAngle:e.centralAngle,aspectRatio:e.aspectRatio,space:this._referenceSpace,viewPixelWidth:e.pixelwidth,viewPixelHeight:e.pixelheight,clearOnAccess:!1})}function EE(e,t){if(void 0===t)return;const r=this._cameraXR,i=this._renderer,n=i.backend,a=this._glBaseLayer,o=this.getReferenceSpace(),u=t.getViewerPose(o);if(this._xrFrame=t,null!==u){const e=u.views,t=this._isWebGPUSession()?this._getWebGPUViewData(e):null;null!==this._glBaseLayer&&null===t&&n.setXRTarget(a.framebuffer);let o=!1;e.length!==r.cameras.length&&(r.cameras.length=0,o=!0);for(let i=0;i{await this.compileAsync(r,t,e);const s=this.needsFrameBufferTarget&&null===this._renderTarget?this._getFrameBufferTarget():this._renderTarget||this._outputRenderTarget,i=this._renderLists.get(e,t),n=this._renderContexts.get(s,this._mrt),a=e.overrideMaterial||r.material,o=this._objects.get(r,a,e,t,i.lightsNode,n,n.clippingContext),{fragmentShader:u,vertexShader:l}=o.getNodeBuilderState();return{fragmentShader:u,vertexShader:l}}}}async init(){return null!==this._initPromise||(this._initPromise=new Promise(async(e,t)=>{let r=this.backend;try{await r.init(this)}catch(e){if(null===this._getFallback)return void t(e);try{this.backend=r=this._getFallback(e),await r.init(this)}catch(e){return void t(e)}}this._nodes=new nE(this,r),this._animation=new zy(this,this._nodes,this.info),this._attributes=new tb(r,this.info),this._background=new ZN(this,this._nodes),this._geometries=new nb(this._attributes,this.info),this._textures=new Rb(this,r,this.info),this._pipelines=new hb(r,this._nodes,this.info),this._bindings=new pb(r,this._nodes,this._textures,this._attributes,this._pipelines,this.info),this._objects=new Xy(this,this._nodes,this._geometries,this._pipelines,this._bindings,this.info),this._renderLists=new Tb(this.lighting),this._bundles=new dE,this._renderContexts=new Sb(this),this._animation.start(),this._initialized=!0,this._inspector.init(),e(this)})),this._initPromise}get domElement(){return this._canvasTarget.domElement}get coordinateSystem(){return this.backend.coordinateSystem}async compileAsync(e,t,r=null){if(!0===this._isDeviceLost)return;!1===this._initialized&&await this.init();const s=this._nodes.nodeFrame,i=s.renderId,n=this._currentRenderContext,a=this._currentRenderObjectFunction,o=this._handleObjectFunction,u=this._compilationPromises;null===r&&(r=e);const l=!0===e.isScene?e:!0===r.isScene?r:wE,d=this.needsFrameBufferTarget&&null===this._renderTarget?this._getFrameBufferTarget():this._renderTarget||this._outputRenderTarget,c=this._renderContexts.get(d,this._mrt),h=this._activeMipmapLevel,p=[];this._currentRenderContext=c,this._currentRenderObjectFunction=this.renderObject,this._handleObjectFunction=this._createObjectPipeline,this._compilationPromises=p,s.renderId++,s.update(),c.depth=this.depth,c.stencil=this.stencil,c.clippingContext||(c.clippingContext=new oE),c.clippingContext.updateGlobal(l,t),!0===e.matrixWorldAutoUpdate&&e.updateMatrixWorld(),t=this._updateCamera(t),l.onBeforeRender(this,e,t,d);const g=t.isArrayCamera?BE:ME;t.isArrayCamera?g.setFromArrayCamera(t):(FE.multiplyMatrices(t.projectionMatrix,t.matrixWorldInverse),g.setFromProjectionMatrix(FE,t.coordinateSystem,t.reversedDepth));const m=this._renderLists.get(l,t);if(m.begin(),this._projectObject(e,t,0,m,c.clippingContext),r!==e&&r.traverseVisible(function(e){e.isLight&&e.layers.test(t.layers)&&m.pushLight(e)}),m.finish(),null!==d){this._textures.updateRenderTarget(d,h);const e=this._textures.get(d);c.textures=e.textures,c.depthTexture=e.depthTexture}else c.textures=null,c.depthTexture=null;r!==e?this._background.update(r,m,c):this._background.update(l,m,c);const f=m.opaque,y=m.transparent,b=m.transparentDoublePass,x=m.lightsNode;!0===this.opaque&&f.length>0&&this._renderObjects(f,t,l,x),!0===this.transparent&&y.length>0&&this._renderTransparents(y,b,t,l,x),s.renderId=i,this._currentRenderContext=n,this._currentRenderObjectFunction=a,this._handleObjectFunction=o,this._compilationPromises=u;for(const e of p){const t=this._objects.get(e.object,e.material,e.scene,e.camera,e.lightsNode,e.renderContext,e.clippingContext,e.passId);t.drawRange=e.object.geometry.drawRange,t.group=e.group,await this._nodes.getForRenderAsync(t),this._nodes.updateBefore(t),this._geometries.updateForRender(t),this._nodes.updateForRender(t),this._bindings.updateForRender(t);const r=[];this._pipelines.getForRender(t,r),r.length>0&&await Promise.all(r),this._nodes.updateAfter(t),await Tt()}}async renderAsync(e,t){v('Renderer: "renderAsync()" has been deprecated. Use "render()" and "await renderer.init();" when creating the renderer.'),await this.init(),this.render(e,t)}async waitForGPU(){o("Renderer: waitForGPU() has been removed. Read https://github.com/mrdoob/three.js/issues/32012 for more information.")}set inspector(e){null!==this._inspector&&this._inspector.setRenderer(null),this._inspector=e,this._inspector.setRenderer(this)}get inspector(){return this._inspector}set highPrecision(e){const t=this.contextNode.value;!0===e?(t.modelViewMatrix=hc,t.modelNormalViewMatrix=pc):this.highPrecision&&(delete t.modelViewMatrix,delete t.modelNormalViewMatrix)}get highPrecision(){const e=this.contextNode.value;return e.modelViewMatrix===hc&&e.modelNormalViewMatrix===pc}setMRT(e){return this._mrt=e,this}getMRT(){return this._mrt}getOutputBufferType(){return this._outputBufferType}getColorBufferType(){return v('Renderer: ".getColorBufferType()" has been renamed to ".getOutputBufferType()".'),this.getOutputBufferType()}_onDeviceLost(e){let t=`THREE.WebGPURenderer: ${e.api} Device Lost:\n\nMessage: ${e.message}`;e.reason&&(t+=`\nReason: ${e.reason}`),o(t),this._isDeviceLost=!0}_onError(e){let t=`WebGPURenderer: Uncaptured ${e.api} ${e.type}`;e.message&&(t+=`: ${e.message}`),o(t)}_bundleNeedsUpdate(e,t){return void 0===t.bundleGPU||e.version!==t.version}_renderBundle(e,t,r){const{bundleGroup:s,camera:i,renderList:n}=e,a=this._currentRenderContext,o=this._bundles.get(s,i,a),u=this.backend.get(o);if(this._bundleNeedsUpdate(s,u)){this.backend.beginBundle(a),this._currentRenderBundle=o;const{transparentDoublePass:e,transparent:l,opaque:d}=n;!0===this.opaque&&d.length>0&&this._renderObjects(d,i,t,r),!0===this.transparent&&l.length>0&&this._renderTransparents(l,e,i,t,r),this._currentRenderBundle=null,this.backend.finishBundle(a,o),u.version=s.version}else{const{renderObjects:e}=u;for(let t=0,r=e.length;t{u.removeEventListener("dispose",e),l.dispose(),this._frameBufferTargets.delete(u)};u.addEventListener("dispose",e),this._frameBufferTargets.set(u,l)}const d=this.getOutputRenderTarget();l.depthBuffer=a,l.stencilBuffer=o,null!==d?l.setSize(d.width,d.height,d.depth):l.setSize(i,n,1);const c=this._outputRenderTarget?this._outputRenderTarget.viewport:u._viewport,h=this._outputRenderTarget?this._outputRenderTarget.scissor:u._scissor,g=this._outputRenderTarget?1:u._pixelRatio,f=this._outputRenderTarget?this._outputRenderTarget.scissorTest:u._scissorTest;return l.viewport.copy(c),l.scissor.copy(h),l.viewport.multiplyScalar(g),l.scissor.multiplyScalar(g),l.scissorTest=f,l.multiview=null!==d&&d.multiview,l.useArrayDepthTexture=null!==d&&d.useArrayDepthTexture,l.resolveDepthBuffer=null===d||d.resolveDepthBuffer,l._autoAllocateDepthBuffer=null!==d&&d._autoAllocateDepthBuffer,l}_renderScene(e,t,r=!0){if(!0===this._isDeviceLost)return;const s=r?this._getFrameBufferTarget():null,i=this._nodes.nodeFrame,n=i.renderId,a=this._currentRenderContext,o=this._currentRenderObjectFunction,u=this._handleObjectFunction;this.lighting.beginRender(e),this._callDepth++;const l=!0===e.isScene?e:wE,d=this._renderTarget||this._outputRenderTarget,c=this._activeCubeFace,h=this._activeMipmapLevel;let p;if(null!==s?(p=s,this.setRenderTarget(p)):p=d,null!==p&&!0===p.depthBuffer){const e=this._textures.get(p);!0!==e.depthInitialized&&((!1===this.autoClear||!0===this.autoClear&&!1===this.autoClearDepth)&&this.clearDepth(),e.depthInitialized=!0)}const g=this._renderContexts.get(p,this._mrt,this._callDepth);this._currentRenderContext=g,this._currentRenderObjectFunction=this._renderObjectFunction||this.renderObject,this._handleObjectFunction=this._renderObjectDirect,this.info.calls++,this.info.render.calls++,this.info.render.frameCalls++,i.renderId=this.info.calls,this.backend.updateTimeStampUID(g),this.inspector.beginRender(this.backend.getTimestampUID(g),e,t,p),!0===e.matrixWorldAutoUpdate&&e.updateMatrixWorld(),t=this._updateCamera(t);const m=this._canvasTarget;let f=m._viewport,y=m._scissor,b=m._pixelRatio;null!==p&&(f=p.viewport,y=p.scissor,b=1),this.getDrawingBufferSize(AE),CE.set(0,0,AE.width,AE.height);const x=void 0===f.minDepth?0:f.minDepth,T=void 0===f.maxDepth?1:f.maxDepth;g.viewportValue.copy(f).multiplyScalar(b).floor(),g.viewportValue.width>>=h,g.viewportValue.height>>=h,g.viewportValue.minDepth=x,g.viewportValue.maxDepth=T,g.viewport=!1===g.viewportValue.equals(CE),g.scissorValue.copy(y).multiplyScalar(b).floor(),g.scissor=m._scissorTest&&!1===g.scissorValue.equals(CE),g.scissorValue.width>>=h,g.scissorValue.height>>=h,g.clippingContext||(g.clippingContext=new oE),g.clippingContext.updateGlobal(l,t),l.onBeforeRender(this,e,t,p);const _=t.isArrayCamera?BE:ME;t.isArrayCamera?_.setFromArrayCamera(t):(FE.multiplyMatrices(t.projectionMatrix,t.matrixWorldInverse),_.setFromProjectionMatrix(FE,t.coordinateSystem,t.reversedDepth));const v=this._renderLists.get(e,t);if(v.begin(),this._projectObject(e,t,0,v,g.clippingContext),v.finish(),!0===this.sortObjects&&v.sort(this._opaqueSort,this._transparentSort,t.reversedDepth),null!==p){this._textures.updateRenderTarget(p,h);const e=this._textures.get(p);g.textures=e.textures,g.depthTexture=e.depthTexture,g.width=e.width,g.height=e.height,g.renderTarget=p,g.depth=p.depthBuffer,g.stencil=p.stencilBuffer}else g.textures=null,g.depthTexture=null,g.width=AE.width,g.height=AE.height,g.depth=this.depth,g.stencil=this.stencil;g.width>>=h,g.height>>=h,g.activeCubeFace=c,g.activeMipmapLevel=h,g.occlusionQueryCount=v.occlusionQueryCount,g.scissorValue.max(LE.set(0,0,0,0)),g.scissorValue.x+g.scissorValue.width>g.width&&(g.scissorValue.width=Math.max(g.width-g.scissorValue.x,0)),g.scissorValue.y+g.scissorValue.height>g.height&&(g.scissorValue.height=Math.max(g.height-g.scissorValue.y,0)),this._background.update(l,v,g),g.camera=t,this.backend.beginRender(g);const{bundles:N,lightsNode:S,transparentDoublePass:E,transparent:R,opaque:w}=v;return N.length>0&&this._renderBundles(N,l,S),!0===this.opaque&&w.length>0&&this._renderObjects(w,t,l,S),!0===this.transparent&&R.length>0&&this._renderTransparents(R,E,t,l,S),this.backend.finishRender(g),i.renderId=n,this._currentRenderContext=a,this._currentRenderObjectFunction=o,this._handleObjectFunction=u,this.lighting.finishRender(e),this._callDepth--,null!==s&&(this.setRenderTarget(d,c,h),this._renderOutput(p)),l.onAfterRender(this,e,t,p),this.inspector.finishRender(this.backend.getTimestampUID(g)),g}_setXRLayerSize(e,t){this._canvasTarget._width=e,this._canvasTarget._height=t,this.setViewport(0,0,e,t)}_renderOutput(e){const t=this._nodes.getOutputCacheKey();let r,s=this._quadCache.get(e.texture);if(void 0===s){r=new zx(new Dg),r.name="Output Color Transform",r.material.name="outputColorTransform",r.material.fragmentNode=this._nodes.getOutputNode(e.texture),s={quad:r,cacheKey:t},this._quadCache.set(e.texture,s);const i=()=>{r.material.dispose(),this._quadCache.delete(e.texture),e.texture.removeEventListener("dispose",i)};e.texture.addEventListener("dispose",i)}else r=s.quad,s.cacheKey!==t&&(r.material.fragmentNode=this._nodes.getOutputNode(e.texture),r.material.needsUpdate=!0,s.cacheKey=t);const i=this.autoClear,n=this.xr.enabled;this.autoClear=!1,this.xr.enabled=!1,this._renderOutputLayers(r,e),this.autoClear=i,this.xr.enabled=n}getMaxAnisotropy(){return this.backend.capabilities.getMaxAnisotropy()}getActiveCubeFace(){return this._activeCubeFace}getActiveMipmapLevel(){return this._activeMipmapLevel}async setAnimationLoop(e){!1===this._initialized&&await this.init(),this._animation.setAnimationLoop(e)}getAnimationLoop(){return this._animation.getAnimationLoop()}async getArrayBufferAsync(e,t=null,r=0,s=-1){if(null!==t&&t.isReadbackBuffer&&!1===this.info.memoryMap.has(t)){this.info.createReadbackBuffer(t);const e=()=>{t.removeEventListener("dispose",e),this.info.destroyReadbackBuffer(t)};t.addEventListener("dispose",e)}if(r%4!=0||s>0&&s%4!=0)throw new Error('THREE.Renderer: "getArrayBufferAsync()" offset and count must be a multiple of 4.');return await this.backend.getArrayBufferAsync(e,t,r,s)}getContext(){return this.backend.getContext()}getPixelRatio(){return this._canvasTarget.getPixelRatio()}getDrawingBufferSize(e){return this._canvasTarget.getDrawingBufferSize(e)}getSize(e){return this._canvasTarget.getSize(e)}setPixelRatio(e=1){this._canvasTarget.setPixelRatio(e)}setDrawingBufferSize(e,t,r){this.xr&&this.xr.isPresenting||this._canvasTarget.setDrawingBufferSize(e,t,r)}setSize(e,t,r=!0){this.xr&&this.xr.isPresenting||this._canvasTarget.setSize(e,t,r)}setOpaqueSort(e){this._opaqueSort=e}setTransparentSort(e){this._transparentSort=e}getScissor(e){return this._canvasTarget.getScissor(e)}setScissor(e,t,r,s){this._canvasTarget.setScissor(e,t,r,s)}getScissorTest(){return this._canvasTarget.getScissorTest()}setScissorTest(e){this._canvasTarget.setScissorTest(e),this.backend.setScissorTest(e)}getViewport(e){return this._canvasTarget.getViewport(e)}setViewport(e,t,r,s,i=0,n=1){this._canvasTarget.setViewport(e,t,r,s,i,n)}getClearColor(e){return e.copy(this._clearColor)}setClearColor(e,t=1){this._clearColor.set(e),this._clearColor.a=t}getClearAlpha(){return this._clearColor.a}setClearAlpha(e){this._clearColor.a=e}getClearDepth(){return!0===this.reversedDepthBuffer?1-this._clearDepth:this._clearDepth}setClearDepth(e){this._clearDepth=e}getClearStencil(){return this._clearStencil}setClearStencil(e){this._clearStencil=e}isOccluded(e){const t=this._currentRenderContext;return t&&this.backend.isOccluded(t,e)}clear(e=!0,t=!0,r=!0){if(!1===this._initialized)throw new Error('THREE.Renderer: .clear() called before the backend is initialized. Use "await renderer.init();" before using this method.');const s=this._renderTarget||this._getFrameBufferTarget();let i=null;if(null!==s){this._textures.updateRenderTarget(s);const e=this._textures.get(s);i=this._renderContexts.get(s,null,-1),i.textures=e.textures,i.depthTexture=e.depthTexture,i.width=e.width,i.height=e.height,i.renderTarget=s,i.depth=s.depthBuffer,i.stencil=s.stencilBuffer;const t=this.backend.getClearColor();i.clearColorValue.r=t.r,i.clearColorValue.g=t.g,i.clearColorValue.b=t.b,i.clearColorValue.a=t.a,i.clearDepthValue=this.getClearDepth(),i.clearStencilValue=this.getClearStencil(),i.activeCubeFace=this.getActiveCubeFace(),i.activeMipmapLevel=this.getActiveMipmapLevel(),!0===s.depthBuffer&&(e.depthInitialized=!0)}this.backend.clear(e,t,r,i),null!==s&&null===this._renderTarget&&this._renderOutput(s)}clearColor(){this.clear(!0,!1,!1)}clearDepth(){this.clear(!1,!0,!1)}clearStencil(){this.clear(!1,!1,!0)}async clearAsync(e=!0,t=!0,r=!0){v('Renderer: "clearAsync()" has been deprecated. Use "clear()" and "await renderer.init();" when creating the renderer.'),await this.init(),this.clear(e,t,r)}async clearColorAsync(){v('Renderer: "clearColorAsync()" has been deprecated. Use "clearColor()" and "await renderer.init();" when creating the renderer.'),this.clear(!0,!1,!1)}async clearDepthAsync(){v('Renderer: "clearDepthAsync()" has been deprecated. Use "clearDepth()" and "await renderer.init();" when creating the renderer.'),this.clear(!1,!0,!1)}async clearStencilAsync(){v('Renderer: "clearStencilAsync()" has been deprecated. Use "clearStencil()" and "await renderer.init();" when creating the renderer.'),this.clear(!1,!1,!0)}get needsFrameBufferTarget(){const e=this.currentToneMapping!==m,t=this.currentColorSpace!==p.workingColorSpace;return e||t}get samples(){return this._samples}get currentSamples(){let e=this._samples;return null!==this._renderTarget?e=this._renderTarget.samples:this.needsFrameBufferTarget&&(e=0),e}get currentToneMapping(){return this.isOutputTarget?this.toneMapping:m}get currentColorSpace(){return this.isOutputTarget?this.outputColorSpace:p.workingColorSpace}get isOutputTarget(){return this._renderTarget===this._outputRenderTarget||null===this._renderTarget}dispose(){if(!0===this._initialized){this.info.dispose(),this.backend.dispose(),this._animation.dispose(),this._objects.dispose(),this._geometries.dispose(),this._pipelines.dispose(),this._nodes.dispose(),this._bindings.dispose(),this._renderLists.dispose(),this._renderContexts.dispose(),this._textures.dispose();for(const e of this._frameBufferTargets.keys())e.dispose();Object.values(this.backend.timestampQueryPool).forEach(e=>{null!==e&&e.dispose()})}this.setRenderTarget(null),this.setAnimationLoop(null)}setRenderTarget(e,t=0,r=0){this._renderTarget=e,this._activeCubeFace=t,this._activeMipmapLevel=r}getRenderTarget(){return this._renderTarget}setOutputRenderTarget(e){this._outputRenderTarget=e}getOutputRenderTarget(){return this._outputRenderTarget}setCanvasTarget(e){this._canvasTarget.removeEventListener("resize",this._onCanvasTargetResize),this._canvasTarget=e,this._canvasTarget.addEventListener("resize",this._onCanvasTargetResize)}getCanvasTarget(){return this._canvasTarget}_resetXRState(){this.backend.setXRTarget(null),this.setOutputRenderTarget(null),this.setRenderTarget(null);for(const e of this._frameBufferTargets.keys())e.dispose()}setRenderObjectFunction(e){this._renderObjectFunction=e}getRenderObjectFunction(){return this._renderObjectFunction}compute(e,t=null){if(!0===this._isDeviceLost)return;if(!1===this._initialized)return d("Renderer: .compute() called before the backend is initialized. Try using .computeAsync() instead."),this.computeAsync(e,t);const r=this._nodes.nodeFrame,s=r.renderId;this.info.calls++,this.info.compute.calls++,this.info.compute.frameCalls++,r.renderId=this.info.calls,this.backend.updateTimeStampUID(e),this.inspector.beginCompute(this.backend.getTimestampUID(e),e);const i=this.backend,n=this._pipelines,a=this._bindings,o=this._nodes,u=Array.isArray(e)?e:[e];if(void 0===u[0]||!0!==u[0].isComputeNode)throw new Error("THREE.Renderer: .compute() expects a ComputeNode.");i.beginCompute(e);for(const r of u){if(!1===n.has(r)){const e=()=>{r.removeEventListener("dispose",e),n.delete(r),a.deleteForCompute(r),o.delete(r)};r.addEventListener("dispose",e);const t=r.onInitFunction;null!==t&&t.call(r,{renderer:this})}o.updateForCompute(r),a.updateForCompute(r);const s=a.getForCompute(r),u=n.getForCompute(r,s);i.compute(e,r,s,u,t)}i.finishCompute(e),r.renderId=s,this.inspector.finishCompute(this.backend.getTimestampUID(e))}async computeAsync(e,t=null){!1===this._initialized&&await this.init(),this.compute(e,t)}async hasFeatureAsync(e){return v('Renderer: "hasFeatureAsync()" has been deprecated. Use "hasFeature()" and "await renderer.init();" when creating the renderer.'),await this.init(),this.hasFeature(e)}async resolveTimestampsAsync(e="render"){return!1===this._initialized&&await this.init(),this.backend.resolveTimestampsAsync(e)}hasFeature(e){if(!1===this._initialized)throw new Error('THREE.Renderer: .hasFeature() called before the backend is initialized. Use "await renderer.init();" before using this method.');return this.backend.hasFeature(e)}hasInitialized(){return this._initialized}async initTextureAsync(e){v('Renderer: "initTextureAsync()" has been deprecated. Use "initTexture()" and "await renderer.init();" when creating the renderer.'),await this.init(),this.initTexture(e)}initTexture(e){if(!1===this._initialized)throw new Error('THREE.Renderer: .initTexture() called before the backend is initialized. Use "await renderer.init();" before using this method.');this._textures.updateTexture(e)}initRenderTarget(e){if(!1===this._initialized)throw new Error('THREE.Renderer: .initRenderTarget() called before the backend is initialized. Use "await renderer.init();" before using this method.');this._textures.updateRenderTarget(e);const t=this._textures.get(e),r=this._renderContexts.get(e);r.textures=t.textures,r.depthTexture=t.depthTexture,r.width=t.width,r.height=t.height,r.renderTarget=e,r.depth=e.depthBuffer,r.stencil=e.stencilBuffer,this.backend.initRenderTarget(r)}copyFramebufferToTexture(e,t=null){if(null!==t)if(t.isVector2)t=LE.set(t.x,t.y,e.image.width,e.image.height).floor();else{if(!t.isVector4)return void o("Renderer.copyFramebufferToTexture: Invalid rectangle.");t=LE.copy(t).floor()}else t=LE.set(0,0,e.image.width,e.image.height);let r,s=this._currentRenderContext;null!==s?r=s.renderTarget:(r=this._renderTarget||this._getFrameBufferTarget(),null!==r&&(this._textures.updateRenderTarget(r),s=this._textures.get(r))),this._textures.updateTexture(e,{renderTarget:r}),this.backend.copyFramebufferToTexture(e,s,t),this._inspector.copyFramebufferToTexture(e)}copyTextureToTexture(e,t,r=null,s=null,i=0,n=0){this._textures.updateTexture(e),this._textures.updateTexture(t),this.backend.copyTextureToTexture(e,t,r,s,i,n),this._inspector.copyTextureToTexture(e,t)}async readRenderTargetPixelsAsync(e,t,r,s,i,n=0,a=0){return this.backend.copyTextureToBuffer(e.textures[n],t,r,s,i,a)}_projectObject(e,t,r,s,i){if(!1===e.visible)return;if(e.layers.test(t.layers))if(e.isGroup)r=e.renderOrder,e.isClippingGroup&&e.enabled&&(i=i.getGroupContext(e));else if(e.isLOD)!0===e.autoUpdate&&e.update(t);else if(e.isLight)s.pushLight(e);else if(e.isSprite){const n=t.isArrayCamera?BE:ME;if(!e.frustumCulled||n.intersectsSprite(e)){!0===this.sortObjects&&LE.setFromMatrixPosition(e.matrixWorld).applyMatrix4(FE);const{geometry:t,material:n}=e;n.visible&&s.push(e,t,n,r,LE.z,null,i)}}else if(e.isLineLoop)o("Renderer: Objects of type THREE.LineLoop are not supported. Please use THREE.Line or THREE.LineSegments.");else if(e.isMesh||e.isLine||e.isPoints){const n=t.isArrayCamera?BE:ME;if(!e.frustumCulled||n.intersectsObject(e)){const{geometry:t,material:n}=e;if(!0===this.sortObjects&&(null===t.boundingSphere&&t.computeBoundingSphere(),LE.copy(t.boundingSphere.center).applyMatrix4(e.matrixWorld).applyMatrix4(FE)),Array.isArray(n)){const a=t.groups;for(let o=0,u=a.length;o0){for(const{material:e}of t)e.side=L;this._renderObjects(t,r,s,i,"backSide");for(const{material:e}of t)e.side=St;this._renderObjects(e,r,s,i);for(const{material:e}of t)e.side=P}else this._renderObjects(e,r,s,i)}_renderObjects(e,t,r,s,i=null){for(let n=0,a=e.length;n(t.not().discard(),e))(u)}}e.depthNode&&e.depthNode.isNode&&(l=e.depthNode),e.castShadowPositionNode&&e.castShadowPositionNode.isNode?o=e.castShadowPositionNode:e.positionNode&&e.positionNode.isNode&&(o=e.positionNode),r={version:t,colorNode:u,depthNode:l,positionNode:o},this._cacheShadowNodes.set(e,r)}return r}_updateCamera(e){const t=this.xr;if(!1===t.isPresenting){let t=!1;if(!0===this.reversedDepthBuffer&&!0!==e.reversedDepth){if(e._reversedDepth=!0,e.isArrayCamera)for(const t of e.cameras)t._reversedDepth=!0;t=!0}const r=this.coordinateSystem;if(e.coordinateSystem!==r){if(e.coordinateSystem=r,e.isArrayCamera)for(const t of e.cameras)t.coordinateSystem=r;t=!0}if(!0===t&&(e.updateProjectionMatrix(),e.isArrayCamera))for(const t of e.cameras)t.updateProjectionMatrix()}return null===e.parent&&!0===e.matrixWorldAutoUpdate&&e.updateMatrixWorld(),!0===t.enabled&&!0===t.isPresenting&&(!0===t.cameraAutoUpdate&&t.updateCamera(e),e=t.getCamera()),e}renderObject(e,t,r,s,i,n,a,o=null,u=null){let l,d,c,h,p,g,m,f=!1;const y=this._currentSourceMaterial;if(e.onBeforeRender(this,t,r,s,i,n),!0===i.allowOverride&&null!==t.overrideMaterial){this._currentSourceMaterial=i;const e=t.overrideMaterial;if(f=!0,l=e.isNodeMaterial?e.colorNode:null,d=e.isNodeMaterial?e.depthNode:null,c=e.isNodeMaterial?e.positionNode:null,h=t.overrideMaterial.side,p=e.displacementMap,g=e.displacementScale,m=e.displacementBias,i.positionNode&&i.positionNode.isNode&&(e.positionNode=i.positionNode),e.alphaTest=i.alphaTest,e.alphaMap=i.alphaMap,e.displacementMap=i.displacementMap,e.displacementScale=i.displacementScale,e.displacementBias=i.displacementBias,e.transparent=i.transparent||i.transmission>0||i.transmissionNode&&i.transmissionNode.isNode||i.backdropNode&&i.backdropNode.isNode,e.isShadowPassMaterial){const{colorNode:t,depthNode:r,positionNode:s}=this._getShadowNodes(i);this.shadowMap.type===pt?e.side=null!==i.shadowSide?i.shadowSide:i.side:e.side=null!==i.shadowSide?i.shadowSide:PE[i.side],null!==t&&(e.colorNode=t),null!==r&&(e.depthNode=r),null!==s&&(e.positionNode=s)}i=e}!0===i.transparent&&i.side===P&&!1===i.forceSinglePass?(i.side=L,this._handleObjectFunction(e,i,t,r,a,n,o,"backSide"),i.side=St,this._handleObjectFunction(e,i,t,r,a,n,o,u),i.side=P):this._handleObjectFunction(e,i,t,r,a,n,o,u),f&&(t.overrideMaterial.colorNode=l,t.overrideMaterial.depthNode=d,t.overrideMaterial.positionNode=c,t.overrideMaterial.side=h,t.overrideMaterial.displacementMap=p,t.overrideMaterial.displacementScale=g,t.overrideMaterial.displacementBias=m),this._currentSourceMaterial=y,e.onAfterRender(this,t,r,s,i,n)}hasCompatibility(e){if(!1===this._initialized)throw new Error('THREE.Renderer: .hasCompatibility() called before the backend is initialized. Use "await renderer.init();" before using this method.');return this.backend.hasCompatibility(e)}_renderObjectDirect(e,t,r,s,i,n,a,o){const u=this._objects.get(e,t,r,s,i,this._currentRenderContext,a,o);if(u.drawRange=e.geometry.drawRange,u.group=n,null!==this._currentRenderBundle){this.backend.get(this._currentRenderBundle).renderObjects.push(u),u.bundle=this._currentRenderBundle.bundleGroup}const l=this._nodes.needsRefresh(u);l&&(this._nodes.updateBefore(u),this._geometries.updateForRender(u),this._nodes.updateForRender(u),this._bindings.updateForRender(u)),this._pipelines.updateForRender(u),this._pipelines.isReady(u)&&(this.backend.draw(u,this.info),l&&this._nodes.updateAfter(u))}_createObjectPipeline(e,t,r,s,i,n,a,o){if(null!==this._compilationPromises)return void this._compilationPromises.push({object:e,material:t,scene:r,camera:s,lightsNode:i,group:n,clippingContext:a,passId:o,renderContext:this._currentRenderContext});const u=this._objects.get(e,t,r,s,i,this._currentRenderContext,a,o);u.drawRange=e.geometry.drawRange,u.group=n,this._nodes.updateBefore(u),this._geometries.updateForRender(u),this._nodes.updateForRender(u),this._bindings.updateForRender(u),this._pipelines.getForRender(u,this._compilationPromises),this._nodes.updateAfter(u)}_onCanvasTargetResize(){this._initialized&&this.backend.updateSize()}get compile(){return this.compileAsync}}class DE{constructor(e=""){this.name=e,this.visibility=0}setVisibility(e){this.visibility|=e}getVisibility(){return this.visibility}clone(){return Object.assign(new this.constructor,this)}}function OE(e){return e+(eb-e%eb)%eb}class IE extends DE{constructor(e,t=null){super(e),this.isBuffer=!0,this.bytesPerElement=Float32Array.BYTES_PER_ELEMENT,this._buffer=t,this._updateRanges=[]}get updateRanges(){return this._updateRanges}addUpdateRange(e,t){this.updateRanges.push({start:e,count:t})}clearUpdateRanges(){this.updateRanges.length=0}get byteLength(){return OE(this._buffer.byteLength)}get buffer(){return this._buffer}update(){return!0}release(){this._buffer=null}}class VE extends IE{constructor(e,t=null){super(e,t),this.isUniformBuffer=!0}}let kE=0;class GE extends VE{constructor(e,t){super("UniformBuffer_"+kE++,e?e.value:null),this.nodeUniform=e,this.groupNode=t,this.isNodeUniformBuffer=!0}set updateRanges(e){this.nodeUniform.updateRanges=e}get updateRanges(){return this.nodeUniform.updateRanges}addUpdateRange(e,t){this.nodeUniform.addUpdateRange(e,t)}clearUpdateRanges(){this.nodeUniform.clearUpdateRanges()}get byteLength(){return OE(this.buffer.byteLength)}get buffer(){return this.nodeUniform.value}}class zE extends VE{constructor(e){super(e),this.isUniformsGroup=!0,this._values=null,this.uniforms=[],this._updateRangeCache=new Map,this._addedIndices=new Set}addUniformUpdateRange(e){const t=e.index;if(this._addedIndices.has(t))return;let r=this._updateRangeCache.get(t);void 0===r&&(r={start:0,count:0},this._updateRangeCache.set(t,r)),r.start=e.offset,r.count=e.itemSize,this._addedIndices.add(t),this.updateRanges.push(r)}clearUpdateRanges(){this._addedIndices.clear(),super.clearUpdateRanges()}addUniform(e){return this.uniforms.push(e),this}removeUniform(e){const t=this.uniforms.indexOf(e);return-1!==t&&this.uniforms.splice(t,1),this}get values(){return null===this._values&&(this._values=Array.from(this.buffer)),this._values}get buffer(){let e=this._buffer;if(null===e){const t=this.byteLength;e=new Float32Array(new ArrayBuffer(t)),this._buffer=e}return e}get byteLength(){const e=this.bytesPerElement;let t=0;for(let r=0,s=this.uniforms.length;r0?i:"";t=`${r.name} {\n\t${s} ${e.name}[${n}];\n};\n`}else{const t=e.groupNode.name;if(void 0===s[t]){const e=this.uniformGroups[t];if(void 0!==e){const r=[];for(const t of e.uniforms){const e=t.getType(),s=this.getVectorType(e),i=t.nodeUniform.node.precision;let n=`${s} ${t.name};`;null!==i&&(n=JE[i]+" "+n),r.push("\t"+n)}s[t]=r}}i=!0}if(!i){const s=e.node.precision;null!==s&&(t=JE[s]+" "+t),t="uniform "+t,r.push(t)}}let i="";for(const e in s){const t=s[e];i+=this._getGLSLUniformStruct(e,t.join("\n"))+"\n"}return i+=r.join("\n"),i}getTypeFromAttribute(e){let t=super.getTypeFromAttribute(e);if(/^[iu]/.test(t)&&e.gpuType!==E){let r=e;e.isInterleavedBufferAttribute&&(r=e.data);const s=r.array;!1==(s instanceof Uint32Array||s instanceof Int32Array)&&(t=t.slice(1))}return t}getAttributes(e){let t="";if("vertex"===e||"compute"===e){const e=this.getAttributesArray();let r=0;for(const s of e)t+=`layout( location = ${r++} ) in ${s.type} ${s.name};\n`}return t}getStructMembers(e){const t=[];for(const r of e.members)t.push(`\t${r.type} ${r.name};`);return t.join("\n")}getStructs(e){const t=[],r=this.structs[e],s=[];for(const e of r)if(e.output)for(const t of e.members)s.push(`layout( location = ${t.index} ) out ${t.type} ${t.name};`);else{let r="struct "+e.name+" {\n";r+=this.getStructMembers(e),r+="\n};\n",t.push(r)}return"fragment"===e&&0===s.length&&s.push(`layout( location = 0 ) out ${this.getOutputType()} fragColor;`),"\n"+s.join("\n")+"\n\n"+t.join("\n")}getVaryings(e){let t="";const r=this.varyings;if("vertex"===e||"compute"===e)for(const s of r){"compute"===e&&(s.needsInterpolation=!0);const r=this.getType(s.type);if(s.needsInterpolation)if(s.interpolationType){t+=`${tR[s.interpolationType]||s.interpolationType} ${rR[s.interpolationSampling]||""} out ${r} ${s.name};\n`}else{t+=`${r.includes("int")||r.includes("uv")||r.includes("iv")?"flat ":""}out ${r} ${s.name};\n`}else t+=`${r} ${s.name};\n`}else if("fragment"===e)for(const e of r)if(e.needsInterpolation){const r=this.getType(e.type);if(e.interpolationType){t+=`${tR[e.interpolationType]||e.interpolationType} ${rR[e.interpolationSampling]||""} in ${r} ${e.name};\n`}else{t+=`${r.includes("int")||r.includes("uv")||r.includes("iv")?"flat ":""}in ${r} ${e.name};\n`}}for(const r of this.builtins[e])t+=`${r};\n`;return t}getVertexIndex(){return"uint( gl_VertexID )"}getInstanceIndex(){return"uint( gl_InstanceID )"}getInvocationLocalIndex(){return`uint( gl_InstanceID ) % ${this.object.workgroupSize.reduce((e,t)=>e*t,1)}u`}getSubgroupSize(){o("GLSLNodeBuilder: WebGLBackend does not support the subgroupSize node")}getInvocationSubgroupIndex(){o("GLSLNodeBuilder: WebGLBackend does not support the invocationSubgroupIndex node")}getSubgroupIndex(){o("GLSLNodeBuilder: WebGLBackend does not support the subgroupIndex node")}getDrawIndex(){return this.renderer.backend.extensions.has("WEBGL_multi_draw")?"uint( gl_DrawID )":"nodeUniformDrawId"}getFrontFacing(){return"gl_FrontFacing"}getFragCoord(){return"gl_FragCoord.xy"}getFragDepth(){return"gl_FragDepth"}enableExtension(e,t,r=this.shaderStage){const s=this.extensions[r]||(this.extensions[r]=new Map);!1===s.has(e)&&s.set(e,{name:e,behavior:t})}getExtensions(e){const t=[];if("vertex"===e){const t=this.renderer.backend.extensions;this.object.isBatchedMesh&&t.has("WEBGL_multi_draw")&&this.enableExtension("GL_ANGLE_multi_draw","require",e)}const r=this.extensions[e];if(void 0!==r)for(const{name:e,behavior:s}of r.values())t.push(`#extension ${e} : ${s}`);return t.join("\n")}getClipDistance(){return"gl_ClipDistance"}isAvailable(e){let t=eR[e];if(void 0===t){let r;switch(t=!1,e){case"float32Filterable":r="OES_texture_float_linear";break;case"clipDistance":r="WEBGL_clip_cull_distance"}if(void 0!==r){const e=this.renderer.backend.extensions;e.has(r)&&(e.get(r),t=!0)}eR[e]=t}return t}isFlipY(){return!0}enableHardwareClipping(e){this.enableExtension("GL_ANGLE_clip_cull_distance","require"),this.builtins.vertex.push(`out float gl_ClipDistance[ ${e} ]`)}enableMultiview(){this.enableExtension("GL_OVR_multiview2","require","fragment"),this.enableExtension("GL_OVR_multiview2","require","vertex"),this.builtins.vertex.push("layout(num_views = 2) in")}registerTransform(e,t){this.transforms.push({varyingName:e,attributeNode:t})}getTransforms(){const e=this.transforms;let t="";for(let r=0;r0&&(r+="\n"),r+=`\t// flow -> ${n}\n\t`),r+=`${s.code}\n\t`,e===i&&"compute"!==t&&(r+="// result\n\t","vertex"===t?(r+="gl_Position = ",r+=`${this.format(s.result,i.getNodeType(this),"vec4")};`):"fragment"===t&&(e.outputNode.isOutputStructNode||(r+="fragColor = ",r+=`${this.format(s.result,i.getNodeType(this),this.getOutputType())};`)))}const n=e[t];if(n.extensions=this.getExtensions(t),n.uniforms=this.getUniforms(t),n.attributes=this.getAttributes(t),n.varyings=this.getVaryings(t),n.vars=this.getVars(t,!0),n.structs=this.getStructs(t),n.codes=this.getCodes(t),n.transforms=this.getTransforms(t),n.flow=r,"vertex"===t){const e=this.renderer.backend.extensions;this.object.isBatchedMesh&&!1===e.has("WEBGL_multi_draw")&&(n.uniforms+="\nuniform uint nodeUniformDrawId;\n")}}null!==this.material?(this.vertexShader=this._getGLSLVertexCode(e.vertex),this.fragmentShader=this._getGLSLFragmentCode(e.fragment)):this.computeShader=this._getGLSLVertexCode(e.compute)}getUniformFromNode(e,t,r,s=null){const i=super.getUniformFromNode(e,t,r,s),n=this.getDataFromNode(e,r,this.globalCache);let a=n.uniformGPU;if(void 0===a){const s=e.groupNode,o=s.name,u=this.getBindGroupArray(o,r);if("texture"===t)a=new XE(i.name,i.node,s),u.push(a);else if("cubeTexture"===t||"cubeDepthTexture"===t)a=new YE(i.name,i.node,s),u.push(a);else if("texture3D"===t)a=new QE(i.name,i.node,s),u.push(a);else if("buffer"===t){i.name=`buffer${e.id}`;const t=this.getSharedDataFromNode(e);let r=t.buffer;void 0===r&&(e.name=`NodeBuffer_${e.id}`,r=new GE(e,s),r.name=e.name,t.buffer=r),u.push(r),a=r}else{let e=this.uniformGroups[o];void 0===e?(e=new WE(o,s),this.uniformGroups[o]=e,u.push(e)):-1===u.indexOf(e)&&u.push(e),a=this.getNodeUniform(i,t);const r=a.name;e.uniforms.some(e=>e.name===r)||e.addUniform(a)}n.uniformGPU=a}return i}}let nR=null,aR=null;class oR{constructor(e={}){this.parameters=Object.assign({},e),this.data=new WeakMap,this.renderer=null,this.domElement=null,this.timestampQueryPool={[Pt.RENDER]:null,[Pt.COMPUTE]:null},this.trackTimestamp=!0===e.trackTimestamp}async init(e){this.renderer=e}get coordinateSystem(){}beginRender(){}finishRender(){}setXRTarget(){}beginCompute(){}finishCompute(){}draw(){}compute(){}createProgram(){}destroyProgram(){}createBindings(){}updateBindings(){}updateBinding(){}createRenderPipeline(){}createComputePipeline(){}needsRenderUpdate(){}getRenderCacheKey(){}createNodeBuilder(){}updateSampler(){}destroySampler(){}createDefaultTexture(){}createTexture(){}updateTexture(){}generateMipmaps(){}destroyTexture(){}async copyTextureToBuffer(){}copyTextureToTexture(){}copyFramebufferToTexture(){}createAttribute(){}createIndexAttribute(){}createStorageAttribute(){}createUniformBuffer(){}destroyUniformBuffer(){}updateAttribute(){}destroyAttribute(){}getContext(){}updateSize(){}updateViewport(){}updateTimeStampUID(e){const t=this.get(e),r=this.renderer.info.frame;let s;s=!0===e.isComputeNode?"c:"+this.renderer.info.compute.frameCalls:"r:"+this.renderer.info.render.frameCalls,t.timestampUID=s+":"+e.id+":f"+r}getTimestampUID(e){return this.get(e).timestampUID}getTimestampFrames(e){const t=this.timestampQueryPool[e];return t?t.getTimestampFrames():[]}_getQueryPool(e){const t=e.startsWith("c:")?Pt.COMPUTE:Pt.RENDER;return this.timestampQueryPool[t]}getTimestamp(e){return this._getQueryPool(e).getTimestamp(e)}get hasTimestamp(){return!1}hasTimestampQuery(e){return this._getQueryPool(e).hasTimestampQuery(e)}isOccluded(){}async resolveTimestampsAsync(e="render"){if(!this.trackTimestamp)return void v("WebGPURenderer: Timestamp tracking is disabled.");const t=this.timestampQueryPool[e];if(!t)return;const r=await t.resolveQueriesAsync();return this.renderer.info[e].timestamp=r,r}async getArrayBufferAsync(){}async hasFeatureAsync(){}hasFeature(){}getDrawingBufferSize(){return nR=nR||new t,this.renderer.getDrawingBufferSize(nR)}setScissorTest(){}getClearColor(){const e=this.renderer;return aR=aR||new wb,e.getClearColor(aR),aR.getRGB(aR),aR}getDomElement(){let e=this.domElement;return null===e&&(e=void 0!==this.parameters.canvas?this.parameters.canvas:Ut(),"setAttribute"in e&&e.setAttribute("data-engine",`three.js r${_t} webgpu`),this.domElement=e),e}hasCompatibility(){return!1}initRenderTarget(){}set(e,t){this.data.set(e,t)}get(e){let t=this.data.get(e);return void 0===t&&(t={},this.data.set(e,t)),t}has(e){return this.data.has(e)}delete(e){this.data.delete(e)}deleteBindGroupData(){}dispose(){}}let uR,lR,dR=0;class cR{constructor(e,t){this.buffers=[e.bufferGPU,t],this.type=e.type,this.bufferType=e.bufferType,this.pbo=e.pbo,this.byteLength=e.byteLength,this.bytesPerElement=e.BYTES_PER_ELEMENT,this.version=e.version,this.isInteger=e.isInteger,this.activeBufferIndex=0,this.baseId=e.id}get id(){return`${this.baseId}|${this.activeBufferIndex}`}get bufferGPU(){return this.buffers[this.activeBufferIndex]}get transformBuffer(){return this.buffers[1^this.activeBufferIndex]}switchBuffers(){this.activeBufferIndex^=1}}class hR{constructor(e){this.backend=e}createAttribute(e,t){const r=this.backend,{gl:s}=r,i=e.array,n=e.usage||s.STATIC_DRAW,a=e.isInterleavedBufferAttribute?e.data:e,o=r.get(a);let u,l=o.bufferGPU;if(void 0===l&&(l=this._createBuffer(s,t,i,n),o.bufferGPU=l,o.bufferType=t,o.version=a.version),i instanceof Float32Array)u=s.FLOAT;else if("undefined"!=typeof Float16Array&&i instanceof Float16Array)u=s.HALF_FLOAT;else if(i instanceof Uint16Array)u=e.isFloat16BufferAttribute?s.HALF_FLOAT:s.UNSIGNED_SHORT;else if(i instanceof Int16Array)u=s.SHORT;else if(i instanceof Uint32Array)u=s.UNSIGNED_INT;else if(i instanceof Int32Array)u=s.INT;else if(i instanceof Int8Array)u=s.BYTE;else if(i instanceof Uint8Array)u=s.UNSIGNED_BYTE;else{if(!(i instanceof Uint8ClampedArray))throw new Error("THREE.WebGLBackend: Unsupported buffer data format: "+i);u=s.UNSIGNED_BYTE}let d={bufferGPU:l,bufferType:t,type:u,byteLength:i.byteLength,bytesPerElement:i.BYTES_PER_ELEMENT,version:e.version,pbo:e.pbo,isInteger:u===s.INT||u===s.UNSIGNED_INT||e.gpuType===E,id:dR++};if(e.isStorageBufferAttribute||e.isStorageInstancedBufferAttribute){const e=this._createBuffer(s,t,i,n);d=new cR(d,e)}r.set(e,d)}updateAttribute(e){const t=this.backend,{gl:r}=t,s=e.array,i=e.isInterleavedBufferAttribute?e.data:e,n=t.get(i),a=n.bufferType,o=e.isInterleavedBufferAttribute?e.data.updateRanges:e.updateRanges;if(r.bindBuffer(a,n.bufferGPU),0===o.length)r.bufferSubData(a,0,s);else{for(let e=0,t=o.length;e{t.buffer=null,t._mapped=!1,t.removeEventListener("release",e),t.removeEventListener("dispose",e)};t.addEventListener("release",e),t.addEventListener("dispose",e),d=new Uint8Array(new ArrayBuffer(l)),t.buffer=d.buffer}else d=new Uint8Array(t);return n.bindBuffer(n.COPY_READ_BUFFER,u),n.getBufferSubData(n.COPY_READ_BUFFER,r,d),n.bindBuffer(n.COPY_READ_BUFFER,null),n.bindBuffer(n.COPY_WRITE_BUFFER,null),t&&t.isReadbackBuffer?t:d.buffer}_createBuffer(e,t,r,s){const i=e.createBuffer();return e.bindBuffer(t,i),e.bufferData(t,r,s),e.bindBuffer(t,null),i}}class pR{constructor(e){this.backend=e,this.gl=this.backend.gl,this.enabled={},this.parameters={},this.currentFlipSided=null,this.currentCullFace=null,this.currentProgram=null,this.currentBlendingEnabled=!1,this.currentBlending=null,this.currentBlendSrc=null,this.currentBlendDst=null,this.currentBlendSrcAlpha=null,this.currentBlendDstAlpha=null,this.currentPremultipledAlpha=null,this.currentPolygonOffsetFactor=null,this.currentPolygonOffsetUnits=null,this.currentColorMask=null,this.currentDepthReversed=!1,this.currentDepthFunc=null,this.currentDepthMask=null,this.currentStencilFunc=null,this.currentStencilRef=null,this.currentStencilFuncMask=null,this.currentStencilFail=null,this.currentStencilZFail=null,this.currentStencilZPass=null,this.currentStencilMask=null,this.currentLineWidth=null,this.currentClippingPlanes=0,this.currentVAO=null,this.currentIndex=null,this.currentBoundFramebuffers={},this.currentDrawbuffers=new WeakMap,this.maxTextures=this.gl.getParameter(this.gl.MAX_TEXTURE_IMAGE_UNITS),this.currentTextureSlot=null,this.currentBoundTextures={},this.currentBoundBufferBases={},this._init()}_init(){const e=this.gl;uR={[it]:e.FUNC_ADD,[Ot]:e.FUNC_SUBTRACT,[Dt]:e.FUNC_REVERSE_SUBTRACT},lR={[Rt]:e.ZERO,[Ht]:e.ONE,[Wt]:e.SRC_COLOR,[rt]:e.SRC_ALPHA,[$t]:e.SRC_ALPHA_SATURATE,[zt]:e.DST_COLOR,[Gt]:e.DST_ALPHA,[kt]:e.ONE_MINUS_SRC_COLOR,[st]:e.ONE_MINUS_SRC_ALPHA,[Vt]:e.ONE_MINUS_DST_COLOR,[It]:e.ONE_MINUS_DST_ALPHA};const t=e.getParameter(e.SCISSOR_BOX),r=e.getParameter(e.VIEWPORT);this.currentScissor=(new s).fromArray(t),this.currentViewport=(new s).fromArray(r),this._tempVec4=new s}enable(e){const{enabled:t}=this;!0!==t[e]&&(this.gl.enable(e),t[e]=!0)}disable(e){const{enabled:t}=this;!1!==t[e]&&(this.gl.disable(e),t[e]=!1)}setFlipSided(e){if(this.currentFlipSided!==e){const{gl:t}=this;e?t.frontFace(t.CW):t.frontFace(t.CCW),this.currentFlipSided=e}}setCullFace(e){const{gl:t}=this;e!==jt?(this.enable(t.CULL_FACE),e!==this.currentCullFace&&(e===qt?t.cullFace(t.BACK):e===Xt?t.cullFace(t.FRONT):t.cullFace(t.FRONT_AND_BACK))):this.disable(t.CULL_FACE),this.currentCullFace=e}setLineWidth(e){const{currentLineWidth:t,gl:r}=this;e!==t&&(r.lineWidth(e),this.currentLineWidth=e)}setMRTBlending(e,t,r){const s=this.gl,i=this.backend.drawBuffersIndexedExt;if(i)for(let n=0;n0?this.enable(s.SAMPLE_ALPHA_TO_COVERAGE):this.disable(s.SAMPLE_ALPHA_TO_COVERAGE),r>0&&this.currentClippingPlanes!==r){const e=12288;for(let t=0;t<8;t++)t{!function i(){const n=e.clientWaitSync(t,e.SYNC_FLUSH_COMMANDS_BIT,0);if(n===e.WAIT_FAILED)return e.deleteSync(t),void s();n!==e.TIMEOUT_EXPIRED?(e.deleteSync(t),r()):requestAnimationFrame(i)}()})}}let mR,fR,yR,bR=!1;class xR{constructor(e){this.backend=e,this.gl=e.gl,this.extensions=e.extensions,this.defaultTextures={},this._srcFramebuffer=null,this._dstFramebuffer=null,!1===bR&&(this._init(),bR=!0)}_init(){const e=this.gl;mR={[zr]:e.REPEAT,[_e]:e.CLAMP_TO_EDGE,[Gr]:e.MIRRORED_REPEAT},fR={[B]:e.NEAREST,[$r]:e.NEAREST_MIPMAP_NEAREST,[bt]:e.NEAREST_MIPMAP_LINEAR,[le]:e.LINEAR,[yt]:e.LINEAR_MIPMAP_NEAREST,[K]:e.LINEAR_MIPMAP_LINEAR},yR={[qr]:e.NEVER,[jr]:e.ALWAYS,[w]:e.LESS,[A]:e.LEQUAL,[Hr]:e.EQUAL,[M]:e.GEQUAL,[C]:e.GREATER,[Wr]:e.NOTEQUAL}}getGLTextureType(e){const{gl:t}=this;let r;return r=!0===e.isCubeTexture?t.TEXTURE_CUBE_MAP:!0===e.isArrayTexture||!0===e.isDataArrayTexture||!0===e.isCompressedArrayTexture?t.TEXTURE_2D_ARRAY:!0===e.isData3DTexture?t.TEXTURE_3D:t.TEXTURE_2D,r}getInternalFormat(e,t,r,s,i,n=!1){const{gl:a,extensions:o}=this;if(null!==e){if(void 0!==a[e])return a[e];d("WebGLBackend: Attempt to use non-existing WebGL internal format '"+e+"'")}let u=null;s&&(u=o.get("EXT_texture_norm16"),u||d("WebGLRenderer: Unable to use normalized textures without EXT_texture_norm16 extension"));let l=t;if(t===a.RED&&(r===a.FLOAT&&(l=a.R32F),r===a.HALF_FLOAT&&(l=a.R16F),r===a.UNSIGNED_BYTE&&(l=a.R8),r===a.BYTE&&(l=a.R8_SNORM),r===a.UNSIGNED_SHORT&&u&&(l=u.R16_EXT),r===a.SHORT&&u&&(l=u.R16_SNORM_EXT)),t===a.RED_INTEGER&&(r===a.UNSIGNED_BYTE&&(l=a.R8UI),r===a.UNSIGNED_SHORT&&(l=a.R16UI),r===a.UNSIGNED_INT&&(l=a.R32UI),r===a.BYTE&&(l=a.R8I),r===a.SHORT&&(l=a.R16I),r===a.INT&&(l=a.R32I)),t===a.RG&&(r===a.FLOAT&&(l=a.RG32F),r===a.HALF_FLOAT&&(l=a.RG16F),r===a.UNSIGNED_BYTE&&(l=a.RG8),r===a.BYTE&&(l=a.RG8_SNORM),r===a.UNSIGNED_SHORT&&u&&(l=u.RG16_EXT),r===a.SHORT&&u&&(l=u.RG16_SNORM_EXT)),t===a.RG_INTEGER&&(r===a.UNSIGNED_BYTE&&(l=a.RG8UI),r===a.UNSIGNED_SHORT&&(l=a.RG16UI),r===a.UNSIGNED_INT&&(l=a.RG32UI),r===a.BYTE&&(l=a.RG8I),r===a.SHORT&&(l=a.RG16I),r===a.INT&&(l=a.RG32I)),t===a.RGB){const e=n?Xr:p.getTransfer(i);r===a.FLOAT&&(l=a.RGB32F),r===a.HALF_FLOAT&&(l=a.RGB16F),r===a.UNSIGNED_BYTE&&(l=e===g?a.SRGB8:a.RGB8),r===a.BYTE&&(l=a.RGB8_SNORM),r===a.UNSIGNED_SHORT&&u&&(l=u.RGB16_EXT),r===a.SHORT&&u&&(l=u.RGB16_SNORM_EXT),r===a.UNSIGNED_SHORT_5_6_5&&(l=a.RGB565),r===a.UNSIGNED_SHORT_5_5_5_1&&(l=a.RGB5_A1),r===a.UNSIGNED_SHORT_4_4_4_4&&(l=a.RGB4),r===a.UNSIGNED_INT_5_9_9_9_REV&&(l=a.RGB9_E5),r===a.UNSIGNED_INT_10F_11F_11F_REV&&(l=a.R11F_G11F_B10F)}if(t===a.RGB_INTEGER&&(r===a.UNSIGNED_BYTE&&(l=a.RGB8UI),r===a.UNSIGNED_SHORT&&(l=a.RGB16UI),r===a.UNSIGNED_INT&&(l=a.RGB32UI),r===a.BYTE&&(l=a.RGB8I),r===a.SHORT&&(l=a.RGB16I),r===a.INT&&(l=a.RGB32I)),t===a.RGBA){const e=n?Xr:p.getTransfer(i);r===a.FLOAT&&(l=a.RGBA32F),r===a.HALF_FLOAT&&(l=a.RGBA16F),r===a.UNSIGNED_BYTE&&(l=e===g?a.SRGB8_ALPHA8:a.RGBA8),r===a.BYTE&&(l=a.RGBA8_SNORM),r===a.UNSIGNED_SHORT&&u&&(l=u.RGBA16_EXT),r===a.SHORT&&u&&(l=u.RGBA16_SNORM_EXT),r===a.UNSIGNED_SHORT_4_4_4_4&&(l=a.RGBA4),r===a.UNSIGNED_SHORT_5_5_5_1&&(l=a.RGB5_A1)}return t===a.RGBA_INTEGER&&(r===a.UNSIGNED_BYTE&&(l=a.RGBA8UI),r===a.UNSIGNED_SHORT&&(l=a.RGBA16UI),r===a.UNSIGNED_INT&&(l=a.RGBA32UI),r===a.BYTE&&(l=a.RGBA8I),r===a.SHORT&&(l=a.RGBA16I),r===a.INT&&(l=a.RGBA32I)),t===a.DEPTH_COMPONENT&&(r===a.UNSIGNED_SHORT&&(l=a.DEPTH_COMPONENT16),r===a.UNSIGNED_INT&&(l=a.DEPTH_COMPONENT24),r===a.FLOAT&&(l=a.DEPTH_COMPONENT32F)),t===a.DEPTH_STENCIL&&r===a.UNSIGNED_INT_24_8&&(l=a.DEPTH24_STENCIL8),l!==a.R16F&&l!==a.R32F&&l!==a.RG16F&&l!==a.RG32F&&l!==a.RGBA16F&&l!==a.RGBA32F||o.get("EXT_color_buffer_float"),l}setTextureParameters(e,t){const{gl:r,extensions:s,backend:i}=this,{state:n}=this.backend,a=p.getPrimaries(p.workingColorSpace),o=t.colorSpace===T?null:p.getPrimaries(t.colorSpace),u=t.colorSpace===T||a===o?r.NONE:r.BROWSER_DEFAULT_WEBGL;n.pixelStorei(r.UNPACK_FLIP_Y_WEBGL,t.flipY),n.pixelStorei(r.UNPACK_PREMULTIPLY_ALPHA_WEBGL,t.premultiplyAlpha),n.pixelStorei(r.UNPACK_ALIGNMENT,t.unpackAlignment),n.pixelStorei(r.UNPACK_COLORSPACE_CONVERSION_WEBGL,u),r.texParameteri(e,r.TEXTURE_WRAP_S,mR[t.wrapS]),r.texParameteri(e,r.TEXTURE_WRAP_T,mR[t.wrapT]),e!==r.TEXTURE_3D&&e!==r.TEXTURE_2D_ARRAY||t.isArrayTexture||r.texParameteri(e,r.TEXTURE_WRAP_R,mR[t.wrapR]),r.texParameteri(e,r.TEXTURE_MAG_FILTER,fR[t.magFilter]);const l=void 0!==t.mipmaps&&t.mipmaps.length>0,d=t.minFilter===le&&l?K:t.minFilter;if(r.texParameteri(e,r.TEXTURE_MIN_FILTER,fR[d]),t.compareFunction&&(r.texParameteri(e,r.TEXTURE_COMPARE_MODE,r.COMPARE_REF_TO_TEXTURE),r.texParameteri(e,r.TEXTURE_COMPARE_FUNC,yR[t.compareFunction])),!0===s.has("EXT_texture_filter_anisotropic")){if(t.magFilter===B)return;if(t.minFilter!==bt&&t.minFilter!==K)return;if(t.type===Y&&!1===s.has("OES_texture_float_linear"))return;if(t.anisotropy>1){const n=s.get("EXT_texture_filter_anisotropic");r.texParameterf(e,n.TEXTURE_MAX_ANISOTROPY_EXT,Math.min(t.anisotropy,i.capabilities.getMaxAnisotropy()))}}}createDefaultTexture(e){const{gl:t,backend:r,defaultTextures:s}=this,i=this.getGLTextureType(e);let n=s[i];void 0===n&&(n=t.createTexture(),r.state.bindTexture(i,n),t.texParameteri(i,t.TEXTURE_MIN_FILTER,t.NEAREST),t.texParameteri(i,t.TEXTURE_MAG_FILTER,t.NEAREST),s[i]=n),r.set(e,{textureGPU:n,glTextureType:i})}createTexture(e,t){const{gl:r,backend:s}=this;let i,n,a,o,u;if(!0===e.isExternalTexture)i=e.sourceTexture,n=this.getGLTextureType(e);else{const{levels:l,width:d,height:c,depth:h}=t;a=s.utils.convert(e.format,e.colorSpace),o=s.utils.convert(e.type),u=this.getInternalFormat(e.internalFormat,a,o,e.normalized,e.colorSpace,e.isVideoTexture),i=r.createTexture(),n=this.getGLTextureType(e),s.state.bindTexture(n,i),this.setTextureParameters(n,e),e.isArrayTexture||e.isDataArrayTexture||e.isCompressedArrayTexture?r.texStorage3D(r.TEXTURE_2D_ARRAY,l,u,d,c,h):e.isData3DTexture?r.texStorage3D(r.TEXTURE_3D,l,u,d,c,h):e.isVideoTexture||r.texStorage2D(n,l,u,d,c)}s.set(e,{textureGPU:i,glTextureType:n,glFormat:a,glType:o,glInternalFormat:u})}copyBufferToTexture(e,t){const{gl:r,backend:s}=this,{state:i}=s,{textureGPU:n,glTextureType:a,glFormat:o,glType:u}=s.get(t),{width:l,height:d}=t.source.data;r.bindBuffer(r.PIXEL_UNPACK_BUFFER,e),s.state.bindTexture(a,n),i.pixelStorei(r.UNPACK_FLIP_Y_WEBGL,!1),i.pixelStorei(r.UNPACK_PREMULTIPLY_ALPHA_WEBGL,!1),r.texSubImage2D(a,0,0,0,l,d,o,u,0),r.bindBuffer(r.PIXEL_UNPACK_BUFFER,null),s.state.unbindTexture()}updateTexture(e,t){const{gl:r}=this,{width:s,height:i}=t,{textureGPU:n,glTextureType:a,glFormat:o,glType:u,glInternalFormat:l}=this.backend.get(e);if(!e.isRenderTargetTexture&&void 0!==n)if(this.backend.state.bindTexture(a,n),this.setTextureParameters(a,e),e.isCompressedTexture){const s=e.mipmaps,i=t.image;for(let t=0;t0){const t=Yr(s.width,s.height,e.format,e.type);for(const i of e.layerUpdates){const e=s.data.subarray(i*t/s.data.BYTES_PER_ELEMENT,(i+1)*t/s.data.BYTES_PER_ELEMENT);r.texSubImage3D(r.TEXTURE_2D_ARRAY,0,0,0,i,s.width,s.height,1,o,u,e)}e.clearLayerUpdates()}else r.texSubImage3D(r.TEXTURE_2D_ARRAY,0,0,0,0,s.width,s.height,s.depth,o,u,s.data)}else if(e.isData3DTexture){const e=t.image;r.texSubImage3D(r.TEXTURE_3D,0,0,0,0,e.width,e.height,e.depth,o,u,e.data)}else if(e.isVideoTexture)e.update(),r.texImage2D(a,0,l,o,u,t.image);else if(e.isHTMLTexture)"function"==typeof r.texElementImage2D&&(3===r.texElementImage2D.length?r.texElementImage2D(r.TEXTURE_2D,r.RGBA8,t.image):r.texElementImage2D(r.TEXTURE_2D,0,r.RGBA,r.RGBA,r.UNSIGNED_BYTE,t.image));else{const n=e.mipmaps;if(n.length>0)for(let e=0,t=n.length;e0,c=t.renderTarget?t.renderTarget.height:this.backend.getDrawingBufferSize().y;if(d){const r=0!==a||0!==o;let d,h;if(!0===e.isDepthTexture?(d=s.DEPTH_BUFFER_BIT,h=s.DEPTH_ATTACHMENT,t.stencil&&(d|=s.STENCIL_BUFFER_BIT)):(d=s.COLOR_BUFFER_BIT,h=s.COLOR_ATTACHMENT0),r){const e=this.backend.get(t.renderTarget),r=e.framebuffers[t.getCacheKey()],h=e.msaaFrameBuffer;i.bindFramebuffer(s.DRAW_FRAMEBUFFER,r),i.bindFramebuffer(s.READ_FRAMEBUFFER,h);const p=c-o-l;s.blitFramebuffer(a,p,a+u,p+l,a,p,a+u,p+l,d,s.NEAREST),i.bindFramebuffer(s.READ_FRAMEBUFFER,r),i.bindTexture(s.TEXTURE_2D,n),s.copyTexSubImage2D(s.TEXTURE_2D,0,0,0,a,p,u,l),i.unbindTexture()}else{const e=s.createFramebuffer();i.bindFramebuffer(s.DRAW_FRAMEBUFFER,e),s.framebufferTexture2D(s.DRAW_FRAMEBUFFER,h,s.TEXTURE_2D,n,0),s.blitFramebuffer(0,0,u,l,0,0,u,l,d,s.NEAREST),s.deleteFramebuffer(e)}}else i.bindTexture(s.TEXTURE_2D,n),s.copyTexSubImage2D(s.TEXTURE_2D,0,0,0,a,c-l-o,u,l),i.unbindTexture();e.generateMipmaps&&this.generateMipmaps(e),this.backend._setFramebuffer(t)}setupRenderBufferStorage(e,t,r,s=!1){const{gl:i}=this,n=t.renderTarget,{depthTexture:a,depthBuffer:o,stencilBuffer:u,width:l,height:d}=n;if(i.bindRenderbuffer(i.RENDERBUFFER,e),o&&!u){let t=i.DEPTH_COMPONENT24;if(!0===s){this.extensions.get("WEBGL_multisampled_render_to_texture").renderbufferStorageMultisampleEXT(i.RENDERBUFFER,n.samples,t,l,d)}else r>0?(a&&a.isDepthTexture&&a.type===i.FLOAT&&(t=i.DEPTH_COMPONENT32F),i.renderbufferStorageMultisample(i.RENDERBUFFER,r,t,l,d)):i.renderbufferStorage(i.RENDERBUFFER,t,l,d);i.framebufferRenderbuffer(i.FRAMEBUFFER,i.DEPTH_ATTACHMENT,i.RENDERBUFFER,e)}else o&&u&&(r>0?i.renderbufferStorageMultisample(i.RENDERBUFFER,r,i.DEPTH24_STENCIL8,l,d):i.renderbufferStorage(i.RENDERBUFFER,i.DEPTH_STENCIL,l,d),i.framebufferRenderbuffer(i.FRAMEBUFFER,i.DEPTH_STENCIL_ATTACHMENT,i.RENDERBUFFER,e));i.bindRenderbuffer(i.RENDERBUFFER,null)}async copyTextureToBuffer(e,t,r,s,i,n){const{backend:a,gl:o}=this,{textureGPU:u,glFormat:l,glType:d}=this.backend.get(e),c=o.createFramebuffer();a.state.bindFramebuffer(o.READ_FRAMEBUFFER,c);const h=e.isCubeTexture?o.TEXTURE_CUBE_MAP_POSITIVE_X+n:o.TEXTURE_2D;o.framebufferTexture2D(o.READ_FRAMEBUFFER,o.COLOR_ATTACHMENT0,h,u,0);const p=this._getTypedArrayType(d),g=s*i*this._getBytesPerTexel(d,l),m=o.createBuffer();o.bindBuffer(o.PIXEL_PACK_BUFFER,m),o.bufferData(o.PIXEL_PACK_BUFFER,g,o.STREAM_READ),o.readPixels(t,r,s,i,l,d,0),o.bindBuffer(o.PIXEL_PACK_BUFFER,null),await a.utils._clientWaitAsync();const f=new p(g/p.BYTES_PER_ELEMENT);return o.bindBuffer(o.PIXEL_PACK_BUFFER,m),o.getBufferSubData(o.PIXEL_PACK_BUFFER,0,f),o.bindBuffer(o.PIXEL_PACK_BUFFER,null),a.state.bindFramebuffer(o.READ_FRAMEBUFFER,null),o.deleteFramebuffer(c),f}_getTypedArrayType(e){const{gl:t}=this;if(e===t.UNSIGNED_BYTE)return Uint8Array;if(e===t.UNSIGNED_SHORT_4_4_4_4)return Uint16Array;if(e===t.UNSIGNED_SHORT_5_5_5_1)return Uint16Array;if(e===t.UNSIGNED_SHORT_5_6_5)return Uint16Array;if(e===t.UNSIGNED_SHORT)return Uint16Array;if(e===t.UNSIGNED_INT)return Uint32Array;if(e===t.HALF_FLOAT)return Uint16Array;if(e===t.FLOAT)return Float32Array;throw new Error(`THREE.WebGLTextureUtils: Unsupported WebGL type: ${e}`)}_getBytesPerTexel(e,t){const{gl:r}=this;let s=0;return e===r.UNSIGNED_BYTE&&(s=1),e!==r.UNSIGNED_SHORT_4_4_4_4&&e!==r.UNSIGNED_SHORT_5_5_5_1&&e!==r.UNSIGNED_SHORT_5_6_5&&e!==r.UNSIGNED_SHORT&&e!==r.HALF_FLOAT||(s=2),e!==r.UNSIGNED_INT&&e!==r.FLOAT||(s=4),t===r.RGBA?4*s:t===r.RGB?3*s:t===r.ALPHA?s:void 0}dispose(){const{gl:e}=this;null!==this._srcFramebuffer&&e.deleteFramebuffer(this._srcFramebuffer),null!==this._dstFramebuffer&&e.deleteFramebuffer(this._dstFramebuffer)}}function TR(e){return e.isDataTexture?e.image.data:"undefined"!=typeof HTMLImageElement&&e instanceof HTMLImageElement||"undefined"!=typeof HTMLCanvasElement&&e instanceof HTMLCanvasElement||"undefined"!=typeof ImageBitmap&&e instanceof ImageBitmap||"undefined"!=typeof OffscreenCanvas&&e instanceof OffscreenCanvas?e:e.data}class _R{constructor(e){this.backend=e,this.gl=this.backend.gl,this.availableExtensions=this.gl.getSupportedExtensions(),this.extensions={}}get(e){let t=this.extensions[e];return void 0===t&&(t=this.gl.getExtension(e),this.extensions[e]=t),t}has(e){return this.availableExtensions.includes(e)}}class vR{constructor(e){this.backend=e,this.maxAnisotropy=null,this.maxUniformBlockSize=null}getMaxAnisotropy(){if(null!==this.maxAnisotropy)return this.maxAnisotropy;const e=this.backend.gl,t=this.backend.extensions;if(!0===t.has("EXT_texture_filter_anisotropic")){const r=t.get("EXT_texture_filter_anisotropic");this.maxAnisotropy=e.getParameter(r.MAX_TEXTURE_MAX_ANISOTROPY_EXT)}else this.maxAnisotropy=0;return this.maxAnisotropy}getUniformBufferLimit(){if(null!==this.maxUniformBlockSize)return this.maxUniformBlockSize;const e=this.backend.gl;return this.maxUniformBlockSize=e.getParameter(e.MAX_UNIFORM_BLOCK_SIZE),this.maxUniformBlockSize}}const NR={WEBGL_multi_draw:"WEBGL_multi_draw",WEBGL_compressed_texture_astc:"texture-compression-astc",WEBGL_compressed_texture_etc:"texture-compression-etc2",WEBGL_compressed_texture_etc1:"texture-compression-etc1",WEBGL_compressed_texture_pvrtc:"texture-compression-pvrtc",WEBGL_compressed_texture_s3tc:"texture-compression-s3tc",EXT_texture_compression_bptc:"texture-compression-bc",EXT_disjoint_timer_query_webgl2:"timestamp-query",OVR_multiview2:"OVR_multiview2"};class SR{constructor(e){this.gl=e.gl,this.extensions=e.extensions,this.info=e.renderer.info,this.mode=null,this.index=0,this.type=null,this.object=null}render(e,t){const{gl:r,mode:s,object:i,type:n,info:a,index:o}=this;0!==o?r.drawElements(s,t,n,e):r.drawArrays(s,e,t),a.update(i,t,1)}renderInstances(e,t,r){const{gl:s,mode:i,type:n,index:a,object:o,info:u}=this;0!==r&&(0!==a?s.drawElementsInstanced(i,t,n,e,r):s.drawArraysInstanced(i,e,t,r),u.update(o,t,r))}renderMultiDraw(e,t,r){const{extensions:s,mode:i,object:n,info:a}=this;if(0===r)return;const o=s.get("WEBGL_multi_draw");if(null===o)for(let s=0;sthis.maxQueries)return v(`WebGLTimestampQueryPool [${this.type}]: Maximum number of queries exceeded, when using trackTimestamp it is necessary to resolves the queries via renderer.resolveTimestampsAsync( THREE.TimestampQuery.${this.type.toUpperCase()} ).`),null;const t=this.currentQueryIndex;return this.currentQueryIndex+=2,this.queryStates.set(t,"inactive"),this.queryOffsets.set(e,t),t}beginQuery(e){if(!this.trackTimestamp||this.isDisposed)return;const t=this.queryOffsets.get(e);if(null==t)return;if(null!==this.activeQuery)return;const r=this.queries[t];if(r)try{"inactive"===this.queryStates.get(t)&&(this.gl.beginQuery(this.ext.TIME_ELAPSED_EXT,r),this.activeQuery=t,this.queryStates.set(t,"started"))}catch(e){o("Error in beginQuery:",e),this.activeQuery=null,this.queryStates.set(t,"inactive")}}endQuery(e){if(!this.trackTimestamp||this.isDisposed)return;const t=this.queryOffsets.get(e);if(null!=t&&this.activeQuery===t)try{this.gl.endQuery(this.ext.TIME_ELAPSED_EXT),this.queryStates.set(t,"ended"),this.activeQuery=null}catch(e){o("Error in endQuery:",e),this.queryStates.set(t,"inactive"),this.activeQuery=null}}async resolveQueriesAsync(){if(!this.trackTimestamp||this.pendingResolve)return this.lastValue;this.pendingResolve=!0;try{const e=new Map;for(const[t,r]of this.queryOffsets){if("ended"===this.queryStates.get(r)){const s=this.queries[r];e.set(t,this.resolveQuery(s))}}if(0===e.size)return this.lastValue;const t={},r=[];for(const[s,i]of e){const e=s.match(/^(.*):f(\d+)$/),n=parseInt(e[2]);!1===r.includes(n)&&r.push(n),void 0===t[n]&&(t[n]=0);const a=await i;this.timestamps.set(s,a),t[n]+=a}const s=t[r[r.length-1]];return this.lastValue=s,this.frames=r,this.currentQueryIndex=0,this.queryOffsets.clear(),this.queryStates.clear(),this.activeQuery=null,s}catch(e){return o("Error resolving queries:",e),this.lastValue}finally{this.pendingResolve=!1}}async resolveQuery(e){return new Promise(t=>{if(this.isDisposed)return void t(this.lastValue);let r,s=!1;const i=e=>{s||(s=!0,r&&(clearTimeout(r),r=null),t(e))},n=()=>{if(this.isDisposed)i(this.lastValue);else try{if(this.gl.getParameter(this.ext.GPU_DISJOINT_EXT))return void i(this.lastValue);if(!this.gl.getQueryParameter(e,this.gl.QUERY_RESULT_AVAILABLE))return void(r=setTimeout(n,1));const s=this.gl.getQueryParameter(e,this.gl.QUERY_RESULT);t(Number(s)/1e6)}catch(e){o("Error checking query:",e),t(this.lastValue)}};n()})}dispose(){if(!this.isDisposed&&(this.isDisposed=!0,this.trackTimestamp)){for(const e of this.queries)this.gl.deleteQuery(e);this.queries=[],this.queryStates.clear(),this.queryOffsets.clear(),this.lastValue=0,this.activeQuery=null}}}class wR extends oR{constructor(e={}){super(e),this.isWebGLBackend=!0,this.attributeUtils=null,this.extensions=null,this.capabilities=null,this.textureUtils=null,this.bufferRenderer=null,this.gl=null,this.state=null,this.utils=null,this.vaoCache={},this.transformFeedbackCache={},this.discard=!1,this.disjoint=null,this.parallel=null,this._currentContext=null,this._knownBindings=new WeakSet,this._supportsInvalidateFramebuffer="undefined"!=typeof navigator&&/OculusBrowser/g.test(navigator.userAgent),this._xrFramebuffer=null}init(e){super.init(e);const t=this.parameters,r={antialias:e.currentSamples>0,alpha:!0,depth:e.depth,stencil:e.stencil},s=void 0!==t.context?t.context:e.domElement.getContext("webgl2",r);function i(t){t.preventDefault();const r={api:"WebGL",message:t.statusMessage||"Unknown reason",reason:null,originalEvent:t};e.onDeviceLost(r)}this._onContextLost=i,e.domElement.addEventListener("webglcontextlost",i,!1),this.gl=s,this.extensions=new _R(this),this.capabilities=new vR(this),this.attributeUtils=new hR(this),this.textureUtils=new xR(this),this.bufferRenderer=new SR(this),this.state=new pR(this),this.utils=new gR(this),this.extensions.get("EXT_color_buffer_float"),this.extensions.get("WEBGL_clip_cull_distance"),this.extensions.get("OES_texture_float_linear"),this.extensions.get("EXT_color_buffer_half_float"),this.extensions.get("WEBGL_multisampled_render_to_texture"),this.extensions.get("WEBGL_render_shared_exponent"),this.extensions.get("WEBGL_multi_draw"),this.extensions.get("OVR_multiview2"),this.extensions.get("EXT_clip_control"),this.disjoint=this.extensions.get("EXT_disjoint_timer_query_webgl2"),this.parallel=this.extensions.get("KHR_parallel_shader_compile"),this.drawBuffersIndexedExt=this.extensions.get("OES_draw_buffers_indexed"),t.reversedDepthBuffer&&(this.extensions.has("EXT_clip_control")?e.reversedDepthBuffer=!0:(d("WebGPURenderer: Unable to use reversed depth buffer due to missing EXT_clip_control extension. Fallback to default depth buffer."),e.reversedDepthBuffer=!1)),e.reversedDepthBuffer&&this.state.setReversedDepth(!0)}get coordinateSystem(){return c}get hasTimestamp(){return null!==this.disjoint}async getArrayBufferAsync(e,t=null,r=0,s=-1){return await this.attributeUtils.getArrayBufferAsync(e,t,r,s)}async makeXRCompatible(){!0!==this.gl.getContextAttributes().xrCompatible&&await this.gl.makeXRCompatible()}setXRTarget(e){this._xrFramebuffer=e}setXRRenderTargetTextures(e,t,r=null){const s=this.gl;if(this.set(e.texture,{textureGPU:t,glInternalFormat:s.RGBA8}),null!==r){const t=e.stencilBuffer?s.DEPTH24_STENCIL8:s.DEPTH_COMPONENT24;this.set(e.depthTexture,{textureGPU:r,glInternalFormat:t}),!0===this.extensions.has("WEBGL_multisampled_render_to_texture")&&!0===e._autoAllocateDepthBuffer&&!1===e.multiview&&d("WebGLBackend: Render-to-texture extension was disabled because an external texture was provided"),e._autoAllocateDepthBuffer=!1}}initTimestampQuery(e,t){if(!this.disjoint||!this.trackTimestamp)return;this.timestampQueryPool[e]||(this.timestampQueryPool[e]=new RR(this.gl,e,2048));const r=this.timestampQueryPool[e];null!==r.allocateQueriesForContext(t)&&r.beginQuery(t)}prepareTimestampBuffer(e,t){if(!this.disjoint||!this.trackTimestamp)return;this.timestampQueryPool[e].endQuery(t)}getContext(){return this.gl}beginRender(e){const{state:t}=this,r=this.get(e);if(e.viewport)this.updateViewport(e);else{const{width:e,height:r}=this.getDrawingBufferSize();t.viewport(0,0,e,r)}if(e.scissor)this.updateScissor(e);else{const{width:e,height:r}=this.getDrawingBufferSize();t.scissor(0,0,e,r)}this.initTimestampQuery(Pt.RENDER,this.getTimestampUID(e)),r.previousContext=this._currentContext,this._currentContext=e,this._setFramebuffer(e),this.clear(e.clearColor,e.clearDepth,e.clearStencil,e,!1);const s=e.occlusionQueryCount;s>0&&(r.currentOcclusionQueries=r.occlusionQueries,r.currentOcclusionQueryObjects=r.occlusionQueryObjects,r.lastOcclusionObject=null,r.occlusionQueries=new Array(s),r.occlusionQueryObjects=new Array(s),r.occlusionQueryIndex=0)}finishRender(e){const{gl:t,state:r}=this,s=this.get(e),i=s.previousContext;r.resetVertexState();const n=e.occlusionQueryCount;n>0&&(n>s.occlusionQueryIndex&&t.endQuery(t.ANY_SAMPLES_PASSED),this.resolveOccludedAsync(e));const a=e.textures;if(null!==a)for(let e=0;e{let a=0;for(let t=0;t1?t.renderInstances(r,s,i):t.render(r,s)}draw(e){const{object:t,pipeline:r,material:s,context:i,hardwareClippingPlanes:n}=e,{programGPU:a}=this.get(r),{gl:o,state:u}=this,l=this.get(i),d=e.getDrawParameters();if(null===d)return;this._bindUniforms(e.getBindings());const c=t.isMesh&&t.matrixWorld.determinantAffine()<0;u.setMaterial(s,c,n),null!==i.mrt&&null!==i.textures&&u.setMRTBlending(i.textures,i.mrt,s),u.useProgram(a);const h=e.getAttributes(),p=this.get(h);let g=p.vaoGPU;if(void 0===g){const e=this._getVaoKey(h);g=this.vaoCache[e],void 0===g&&(g=this._createVao(h),this.vaoCache[e]=g,p.vaoGPU=g)}const m=e.getIndex(),f=null!==m?this.get(m).bufferGPU:null;u.setVertexState(g,f);const y=l.lastOcclusionObject;if(y!==t&&void 0!==y){if(null!==y&&!0===y.occlusionTest&&(o.endQuery(o.ANY_SAMPLES_PASSED),l.occlusionQueryIndex++),!0===t.occlusionTest){const e=o.createQuery();o.beginQuery(o.ANY_SAMPLES_PASSED,e),l.occlusionQueries[l.occlusionQueryIndex]=e,l.occlusionQueryObjects[l.occlusionQueryIndex]=t}l.lastOcclusionObject=t}const b=this.bufferRenderer;t.isPoints?b.mode=o.POINTS:t.isLineSegments?b.mode=o.LINES:t.isLine?b.mode=o.LINE_STRIP:t.isLineLoop?b.mode=o.LINE_LOOP:!0===s.wireframe?(u.setLineWidth(s.wireframeLinewidth*this.renderer.getPixelRatio()),b.mode=o.LINES):b.mode=o.TRIANGLES;const{vertexCount:x,instanceCount:T}=d;let{firstVertex:_}=d;if(b.object=t,null!==m){_*=m.array.BYTES_PER_ELEMENT;const e=this.get(m);b.index=m.count,b.type=e.type}else b.index=0;if(!0===e.camera.isArrayCamera&&e.camera.cameras.length>0&&!1===e.camera.isMultiViewCamera){const r=this.get(e.camera),s=e.camera.cameras,i=e.getBindingGroup("cameraIndex").bindings[0];if(void 0===r.indexesGPU||r.indexesGPU.length!==s.length){const e=new Uint32Array([0,0,0,0]),t=[];for(let r=0,i=s.length;r{const i=this.parallel,n=()=>{r.getProgramParameter(a,i.COMPLETION_STATUS_KHR)?(this._completeCompile(e,s),t()):requestAnimationFrame(n)};n()});return void t.push(i)}this._completeCompile(e,s)}_handleSource(e,t){const r=e.split("\n"),s=[],i=Math.max(t-6,0),n=Math.min(t+6,r.length);for(let e=i;e":" "} ${i}: ${r[e]}`)}return s.join("\n")}_getShaderErrors(e,t,r){const s=e.getShaderParameter(t,e.COMPILE_STATUS),i=(e.getShaderInfoLog(t)||"").trim();if(s&&""===i)return"";const n=/ERROR: 0:(\d+)/.exec(i);if(n){const s=parseInt(n[1]);return r.toUpperCase()+"\n\n"+i+"\n\n"+this._handleSource(e.getShaderSource(t),s)}return i}_logProgramError(e,t,r){if(this.renderer.debug.checkShaderErrors){const s=this.gl,i=(s.getProgramInfoLog(e)||"").trim();if(!1===s.getProgramParameter(e,s.LINK_STATUS))if("function"==typeof this.renderer.debug.onShaderError)this.renderer.debug.onShaderError(s,e,r,t);else{const n=this._getShaderErrors(s,r,"vertex"),a=this._getShaderErrors(s,t,"fragment");o("WebGLProgram: Shader Error "+s.getError()+" - VALIDATE_STATUS "+s.getProgramParameter(e,s.VALIDATE_STATUS)+"\n\nProgram Info Log: "+i+"\n"+n+"\n"+a)}else""!==i&&d("WebGLProgram: Program Info Log:",i)}}_completeCompile(e,t){const{state:r,gl:s}=this,i=this.get(t),{programGPU:n,fragmentShader:a,vertexShader:o}=i;!1===s.getProgramParameter(n,s.LINK_STATUS)&&this._logProgramError(n,a,o),r.useProgram(n);const u=e.getBindings();this._setupBindings(u,n),this.set(t,{programGPU:n,pipeline:n})}createComputePipeline(e,t){const{state:r,gl:s}=this,i={stage:"fragment",code:"#version 300 es\nprecision highp float;\nvoid main() {}"};this.createProgram(i);const{computeProgram:n}=e,a=s.createProgram(),o=this.get(i).shaderGPU,u=this.get(n).shaderGPU,l=n.transforms,d=[],c=[];for(let e=0;eNR[t]===e),r=this.extensions;for(let e=0;e1,h=!0===i.isXRRenderTarget,p=!0===h&&!0===i._hasExternalTextures;let g=n.msaaFrameBuffer,m=n.depthRenderbuffer;const f=this.extensions.get("WEBGL_multisampled_render_to_texture"),y=this.extensions.get("OVR_multiview2"),b=this._useMultisampledExtension(i),x=Nb(e);let T;if(l?(n.cubeFramebuffers||(n.cubeFramebuffers={}),T=n.cubeFramebuffers[x]):h&&!1===p?T=this._xrFramebuffer:(n.framebuffers||(n.framebuffers={}),T=n.framebuffers[x]),void 0===T){T=t.createFramebuffer(),r.bindFramebuffer(t.FRAMEBUFFER,T);const s=e.textures,o=[];if(l){n.cubeFramebuffers[x]=T;const{textureGPU:e}=this.get(s[0]),r=this.renderer._activeCubeFace,i=this.renderer._activeMipmapLevel;t.framebufferTexture2D(t.FRAMEBUFFER,t.COLOR_ATTACHMENT0,t.TEXTURE_CUBE_MAP_POSITIVE_X+r,e,i)}else{n.framebuffers[x]=T;for(let r=0;r0&&!1===b&&!i.multiview){if(void 0===g){const s=[];g=t.createFramebuffer(),r.bindFramebuffer(t.FRAMEBUFFER,g);const i=[],l=e.textures;for(let r=0;r0&&!1===this._useMultisampledExtension(s)){const n=i.framebuffers[e.getCacheKey()];let a=t.COLOR_BUFFER_BIT;s.resolveDepthBuffer&&(s.depthBuffer&&(a|=t.DEPTH_BUFFER_BIT),s.stencilBuffer&&s.resolveStencilBuffer&&(a|=t.STENCIL_BUFFER_BIT));const o=i.msaaFrameBuffer,u=i.msaaRenderbuffers,l=e.textures,d=l.length>1;if(r.bindFramebuffer(t.READ_FRAMEBUFFER,o),r.bindFramebuffer(t.DRAW_FRAMEBUFFER,n),d)for(let e=0;e0&&!0===this.extensions.has("WEBGL_multisampled_render_to_texture")&&!1!==e._autoAllocateDepthBuffer}dispose(){null!==this.textureUtils&&this.textureUtils.dispose();const e=this.extensions.get("WEBGL_lose_context");e&&e.loseContext(),this.renderer.domElement.removeEventListener("webglcontextlost",this._onContextLost)}}const AR="point-list",CR="line-list",MR="line-strip",BR="triangle-list",FR="undefined"!=typeof self&&self.GPUShaderStage?self.GPUShaderStage:{VERTEX:1,FRAGMENT:2,COMPUTE:4},LR="never",PR="less",UR="equal",DR="less-equal",OR="greater",IR="not-equal",VR="greater-equal",kR="always",GR="store",zR="load",$R="clear",WR="ccw",HR="cw",jR="none",qR="back",XR="uint16",YR="uint32",QR="r8unorm",KR="r8snorm",ZR="r8uint",JR="r8sint",ew="r16uint",tw="r16sint",rw="r16float",sw="rg8unorm",iw="rg8snorm",nw="rg8uint",aw="rg8sint",ow="r16unorm",uw="r16snorm",lw="r32uint",dw="r32sint",cw="r32float",hw="rg16uint",pw="rg16sint",gw="rg16float",mw="rgba8unorm",fw="rgba8unorm-srgb",yw="rgba8snorm",bw="rgba8uint",xw="rgba8sint",Tw="bgra8unorm",_w="bgra8unorm-srgb",vw="rg16unorm",Nw="rg16snorm",Sw="rgb9e5ufloat",Ew="rgb10a2unorm",Rw="rg11b10ufloat",ww="rg32uint",Aw="rg32sint",Cw="rg32float",Mw="rgba16uint",Bw="rgba16sint",Fw="rgba16float",Lw="rgba16unorm",Pw="rgba16snorm",Uw="rgba32uint",Dw="rgba32sint",Ow="rgba32float",Iw="depth16unorm",Vw="depth24plus",kw="depth24plus-stencil8",Gw="depth32float",zw="depth32float-stencil8",$w="bc1-rgba-unorm",Ww="bc1-rgba-unorm-srgb",Hw="bc2-rgba-unorm",jw="bc2-rgba-unorm-srgb",qw="bc3-rgba-unorm",Xw="bc3-rgba-unorm-srgb",Yw="bc4-r-unorm",Qw="bc4-r-snorm",Kw="bc5-rg-unorm",Zw="bc5-rg-snorm",Jw="bc6h-rgb-ufloat",eA="bc6h-rgb-float",tA="bc7-rgba-unorm",rA="bc7-rgba-unorm-srgb",sA="etc2-rgb8unorm",iA="etc2-rgb8unorm-srgb",nA="etc2-rgb8a1unorm",aA="etc2-rgb8a1unorm-srgb",oA="etc2-rgba8unorm",uA="etc2-rgba8unorm-srgb",lA="eac-r11unorm",dA="eac-r11snorm",cA="eac-rg11unorm",hA="eac-rg11snorm",pA="astc-4x4-unorm",gA="astc-4x4-unorm-srgb",mA="astc-5x4-unorm",fA="astc-5x4-unorm-srgb",yA="astc-5x5-unorm",bA="astc-5x5-unorm-srgb",xA="astc-6x5-unorm",TA="astc-6x5-unorm-srgb",_A="astc-6x6-unorm",vA="astc-6x6-unorm-srgb",NA="astc-8x5-unorm",SA="astc-8x5-unorm-srgb",EA="astc-8x6-unorm",RA="astc-8x6-unorm-srgb",wA="astc-8x8-unorm",AA="astc-8x8-unorm-srgb",CA="astc-10x5-unorm",MA="astc-10x5-unorm-srgb",BA="astc-10x6-unorm",FA="astc-10x6-unorm-srgb",LA="astc-10x8-unorm",PA="astc-10x8-unorm-srgb",UA="astc-10x10-unorm",DA="astc-10x10-unorm-srgb",OA="astc-12x10-unorm",IA="astc-12x10-unorm-srgb",VA="astc-12x12-unorm",kA="astc-12x12-unorm-srgb",GA="clamp-to-edge",zA="repeat",$A="mirror-repeat",WA="linear",HA="nearest",jA="zero",qA="one",XA="src",YA="one-minus-src",QA="src-alpha",KA="one-minus-src-alpha",ZA="dst",JA="one-minus-dst",eC="dst-alpha",tC="one-minus-dst-alpha",rC="src-alpha-saturated",sC="constant",iC="one-minus-constant",nC="add",aC="subtract",oC="reverse-subtract",uC="min",lC="max",dC=0,cC=15,hC="keep",pC="zero",gC="replace",mC="invert",fC="increment-clamp",yC="decrement-clamp",bC="increment-wrap",xC="decrement-wrap",TC="storage",_C="read-only-storage",vC="write-only",NC="read-only",SC="read-write",EC="non-filtering",RC="comparison",wC="float",AC="unfilterable-float",CC="depth",MC="sint",BC="uint",FC="2d",LC="3d",PC="2d",UC="2d-array",DC="cube",OC="3d",IC="all",VC="vertex",kC="instance",GC={CoreFeaturesAndLimits:"core-features-and-limits",DepthClipControl:"depth-clip-control",Depth32FloatStencil8:"depth32float-stencil8",TextureCompressionBC:"texture-compression-bc",TextureCompressionBCSliced3D:"texture-compression-bc-sliced-3d",TextureCompressionETC2:"texture-compression-etc2",TextureCompressionASTC:"texture-compression-astc",TextureCompressionASTCSliced3D:"texture-compression-astc-sliced-3d",TimestampQuery:"timestamp-query",IndirectFirstInstance:"indirect-first-instance",ShaderF16:"shader-f16",RG11B10UFloat:"rg11b10ufloat-renderable",BGRA8UNormStorage:"bgra8unorm-storage",Float32Filterable:"float32-filterable",Float32Blendable:"float32-blendable",ClipDistances:"clip-distances",DualSourceBlending:"dual-source-blending",Subgroups:"subgroups",TextureFormatsTier1:"texture-formats-tier1",TextureFormatsTier2:"texture-formats-tier2"},zC={"texture-compression-s3tc":"texture-compression-bc","texture-compression-etc1":"texture-compression-etc2"};class $C extends HE{constructor(e,t,r){super(e,t?t.value:null),this.textureNode=t,this.groupNode=r}update(){const{textureNode:e}=this;return this.texture!==e.value?(this.texture=e.value,!0):super.update()}}class WC extends IE{constructor(e,t){super(e,t?t.array:null),this._attribute=t,this.isStorageBuffer=!0}get attribute(){return this._attribute}}let HC=0;class jC extends WC{constructor(e,t){super("StorageBuffer_"+HC++,e?e.value:null),this.nodeUniform=e,this.access=e?e.access:ai.READ_WRITE,this.groupNode=t}get attribute(){return this.nodeUniform.value}get buffer(){return this.nodeUniform.value.array}}const qC=[null];class XC{constructor(e){this.backend=e,this._preferredCanvasFormat=null}getCurrentDepthStencilFormat(e){let t;return e.depth&&(t=null!==e.depthTexture?this.getTextureFormatGPU(e.depthTexture):e.stencil?!0===this.backend.renderer.reversedDepthBuffer?zw:kw:!0===this.backend.renderer.reversedDepthBuffer?Gw:Vw),t}getTextureFormatGPU(e){return this.backend.get(e).format}getTextureSampleData(e){let t;if(e.isFramebufferTexture)t=1;else if(e.isDepthTexture&&!e.renderTarget){const e=this.backend.renderer,r=e.getRenderTarget();t=r?r.samples:e.currentSamples}else e.renderTarget&&(t=e.renderTarget.samples);t=this.getSampleCount(t||1);const r=t>1&&null!==e.renderTarget&&!0!==e.isDepthTexture&&!0!==e.isFramebufferTexture;return{samples:t,primarySamples:r?1:t,isMSAA:r}}getCurrentColorFormat(e){let t;return t=null!==e.textures?this.getTextureFormatGPU(e.textures[0]):this.getPreferredCanvasFormat(),t}getCurrentColorFormats(e){return null!==e.textures?e.textures.map(e=>this.getTextureFormatGPU(e)):[this.getPreferredCanvasFormat()]}getCurrentColorSpace(e){return null!==e.textures?e.textures[0].colorSpace:this.backend.renderer.outputColorSpace}getPrimitiveTopology(e,t){return e.isPoints?AR:e.isLineSegments||e.isMesh&&!0===t.wireframe?CR:e.isLine?MR:e.isMesh?BR:void 0}getSampleCount(e){return e>=4?4:1}getSampleCountRenderContext(e){return null!==e.textures?this.getSampleCount(e.sampleCount):this.getSampleCount(this.backend.renderer.currentSamples)}getPreferredCanvasFormat(){const e=this.backend.parameters.outputType;if(void 0===e)return null===this._preferredCanvasFormat&&(this._preferredCanvasFormat=navigator.gpu.getPreferredCanvasFormat()),this._preferredCanvasFormat;if(e===Ve)return Tw;if(e===Te)return Fw;throw new Error("THREE.WebGPUUtils: Unsupported output buffer type.")}}function YC(e,t){qC[0]=t,e.queue.submit(qC),qC[0]=null}class QC{constructor(){this.label="",this.layout=null,this.entries=[]}reset(){this.label="",this.layout=null,this.entries.length=0}}class KC{constructor(){this.label="",this.size=0,this.usage=0,this.mappedAtCreation=!1}reset(){this.label="",this.size=0,this.usage=0,this.mappedAtCreation=!1}}class ZC{constructor(){this.label=""}reset(){this.label=""}}class JC{constructor(){this.label="",this.colorFormats=null,this.depthStencilFormat=void 0,this.sampleCount=1,this.depthReadOnly=!1,this.stencilReadOnly=!1}reset(){this.label="",this.colorFormats=null,this.depthStencilFormat=void 0,this.sampleCount=1,this.depthReadOnly=!1,this.stencilReadOnly=!1}}class eM{constructor(){this.view=null,this.depthSlice=void 0,this.resolveTarget=void 0,this.clearValue=void 0,this.loadOp=void 0,this.storeOp=void 0}reset(){this.view=null,this.depthSlice=void 0,this.resolveTarget=void 0,this.clearValue=void 0,this.loadOp=void 0,this.storeOp=void 0}}class tM{constructor(){this.label="",this.colorAttachments=[],this.depthStencilAttachment=void 0,this.occlusionQuerySet=void 0,this.timestampWrites=void 0,this.maxDrawCount=5e7}reset(){this.label="",this.colorAttachments.length=0,this.depthStencilAttachment=void 0,this.occlusionQuerySet=void 0,this.timestampWrites=void 0,this.maxDrawCount=5e7}}class rM{constructor(){this.label="",this.layout=null,this.vertex=null,this.primitive={},this.depthStencil=void 0,this.multisample=new sM,this.fragment=null}reset(){this.label="",this.layout=null,this.vertex=null,this.primitive={},this.depthStencil=void 0,this.multisample.reset(),this.fragment=null}}class sM{constructor(){this.count=1,this.mask=4294967295,this.alphaToCoverageEnabled=!1}reset(){this.count=1,this.mask=4294967295,this.alphaToCoverageEnabled=!1}}class iM{constructor(){this.label="",this.code="",this.compilationHints=[]}reset(){this.label="",this.code="",this.compilationHints.length=0}}class nM{constructor(){this.label="",this.size={width:0,height:1,depthOrArrayLayers:1},this.mipLevelCount=1,this.sampleCount=1,this.dimension="2d",this.format=void 0,this.usage=void 0,this.viewFormats=[],this.textureBindingViewDimension=void 0}reset(){this.label="",this.size.width=0,this.size.height=1,this.size.depthOrArrayLayers=1,this.mipLevelCount=1,this.sampleCount=1,this.dimension="2d",this.format=void 0,this.usage=void 0,this.viewFormats.length=0,this.textureBindingViewDimension=void 0}}class aM{constructor(){this.label="",this.format=void 0,this.dimension=void 0,this.usage=0,this.aspect="all",this.baseMipLevel=0,this.mipLevelCount=void 0,this.baseArrayLayer=0,this.arrayLayerCount=void 0,this.swizzle="rgba"}reset(){this.label="",this.format=void 0,this.dimension=void 0,this.usage=0,this.aspect="all",this.baseMipLevel=0,this.mipLevelCount=void 0,this.baseArrayLayer=0,this.arrayLayerCount=void 0,this.swizzle="rgba"}}const oM=new QC,uM=new KC,lM=new ZC,dM=new JC,cM=new tM,hM=new rM,pM=new eM,gM=new iM,mM=new nM,fM=new aM;class yM extends Yy{constructor(e){super(),this.device=e;this.mipmapSampler=e.createSampler({minFilter:WA}),this.flipYSampler=e.createSampler({minFilter:HA}),uM.size=4,uM.usage=GPUBufferUsage.UNIFORM|GPUBufferUsage.COPY_DST,this.flipUniformBuffer=e.createBuffer(uM),uM.reset(),e.queue.writeBuffer(this.flipUniformBuffer,0,new Uint32Array([1])),uM.size=4,uM.usage=GPUBufferUsage.UNIFORM,this.noFlipUniformBuffer=e.createBuffer(uM),uM.reset(),this.transferPipelines={},gM.label="mipmap",gM.code="\nstruct VarysStruct {\n\t@builtin( position ) Position: vec4f,\n\t@location( 0 ) vTex : vec2f,\n\t@location( 1 ) @interpolate(flat, either) vBaseArrayLayer: u32,\n};\n\n@group( 0 ) @binding ( 2 )\nvar flipY: u32;\n\n@vertex\nfn mainVS(\n\t\t@builtin( vertex_index ) vertexIndex : u32,\n\t\t@builtin( instance_index ) instanceIndex : u32 ) -> VarysStruct {\n\n\tvar Varys : VarysStruct;\n\n\tvar pos = array(\n\t\tvec2f( -1, -1 ),\n\t\tvec2f( -1, 3 ),\n\t\tvec2f( 3, -1 ),\n\t);\n\n\tlet p = pos[ vertexIndex ];\n\tlet mult = select( vec2f( 0.5, -0.5 ), vec2f( 0.5, 0.5 ), flipY != 0 );\n\tVarys.vTex = p * mult + vec2f( 0.5 );\n\tVarys.Position = vec4f( p, 0, 1 );\n\tVarys.vBaseArrayLayer = instanceIndex;\n\n\treturn Varys;\n\n}\n\n@group( 0 ) @binding( 0 )\nvar imgSampler : sampler;\n\n@group( 0 ) @binding( 1 )\nvar img2d : texture_2d;\n\n@fragment\nfn main_2d( Varys: VarysStruct ) -> @location( 0 ) vec4 {\n\n\treturn textureSample( img2d, imgSampler, Varys.vTex );\n\n}\n\n@group( 0 ) @binding( 1 )\nvar img2dArray : texture_2d_array;\n\n@fragment\nfn main_2d_array( Varys: VarysStruct ) -> @location( 0 ) vec4 {\n\n\treturn textureSample( img2dArray, imgSampler, Varys.vTex, Varys.vBaseArrayLayer );\n\n}\n\nconst faceMat = array(\n mat3x3f( 0, 0, -2, 0, -2, 0, 1, 1, 1 ), // pos-x\n mat3x3f( 0, 0, 2, 0, -2, 0, -1, 1, -1 ), // neg-x\n mat3x3f( 2, 0, 0, 0, 0, 2, -1, 1, -1 ), // pos-y\n mat3x3f( 2, 0, 0, 0, 0, -2, -1, -1, 1 ), // neg-y\n mat3x3f( 2, 0, 0, 0, -2, 0, -1, 1, 1 ), // pos-z\n mat3x3f( -2, 0, 0, 0, -2, 0, 1, 1, -1 ), // neg-z\n);\n\n@group( 0 ) @binding( 1 )\nvar imgCube : texture_cube;\n\n@fragment\nfn main_cube( Varys: VarysStruct ) -> @location( 0 ) vec4 {\n\n\treturn textureSample( imgCube, imgSampler, faceMat[ Varys.vBaseArrayLayer ] * vec3f( fract( Varys.vTex ), 1 ) );\n\n}\n",this.mipmapShaderModule=e.createShaderModule(gM),gM.reset()}getTransferPipeline(e,t){const r=`${e}-${t=t||"2d-array"}`;let s=this.transferPipelines[r];return void 0===s&&(hM.label=`mipmap-${e}-${t}`,hM.vertex={module:this.mipmapShaderModule},hM.fragment={module:this.mipmapShaderModule,entryPoint:`main_${t.replace("-","_")}`,targets:[{format:e}]},hM.layout="auto",s=this.device.createRenderPipeline(hM),hM.reset(),this.transferPipelines[r]=s),s}flipY(e,t,r=0){const s=t.format,{width:i,height:n}=t.size;mM.size.width=i,mM.size.height=n,mM.format=s,mM.usage=GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.TEXTURE_BINDING;const a=this.device.createTexture(mM);mM.reset();const o=this.getTransferPipeline(s,e.textureBindingViewDimension),u=this.getTransferPipeline(s,a.textureBindingViewDimension),l=this.device.createCommandEncoder(lM),d=(e,t,r,s,i,n)=>{const a=e.getBindGroupLayout(0);fM.dimension=t.textureBindingViewDimension||"2d-array",fM.mipLevelCount=1;const o=t.createView(fM);fM.reset(),oM.layout=a,oM.entries.push({binding:0,resource:this.flipYSampler},{binding:1,resource:o},{binding:2,resource:{buffer:n?this.flipUniformBuffer:this.noFlipUniformBuffer}});const u=this.device.createBindGroup(oM);oM.reset(),fM.dimension="2d",fM.mipLevelCount=1,fM.baseArrayLayer=i,fM.arrayLayerCount=1;const d=s.createView(fM);fM.reset(),pM.view=d,pM.loadOp=$R,pM.storeOp=GR,cM.colorAttachments.push(pM);const c=l.beginRenderPass(cM);cM.reset(),pM.reset(),c.setPipeline(e),c.setBindGroup(0,u),c.draw(3,1,0,r),c.end()};d(o,e,r,a,0,!1),d(u,a,0,e,r,!0),YC(this.device,l.finish()),a.destroy()}generateMipmaps(e,t=null){const r=this.get(e),s=r.layers||this._mipmapCreateBundles(e);let i=t;null===i&&(lM.label="mipmapEncoder",i=this.device.createCommandEncoder(lM),lM.reset()),this._mipmapRunBundles(i,s),null===t&&YC(this.device,i.finish()),r.layers=s}_mipmapCreateBundles(e){const t=e.textureBindingViewDimension||"2d-array",r=this.getTransferPipeline(e.format,t),s=r.getBindGroupLayout(0),i=[];for(let n=1;n0)for(let t=0,n=s.length;t0){for(const s of e.layerUpdates)this._copyBufferToTexture(t.image,r.texture,i,s,e.flipY,s);e.clearLayerUpdates()}else for(let s=0;s0?(this._copyCompressedBufferToTexture(e.mipmaps,r.texture,i,e.layerUpdates),e.clearLayerUpdates()):this._copyCompressedBufferToTexture(e.mipmaps,r.texture,i);else if(e.isCubeTexture)this._copyCubeMapToTexture(e,r.texture,i);else if(e.isHTMLTexture){const t=this.backend.device,s=this.backend.renderer.domElement,n=e.image;if("function"!=typeof t.queue.copyElementImageToTexture)return;if(!r.hasPaintCallback)return r.hasPaintCallback=!0,void s.requestPaint();const a=i.size.width,o=i.size.height;2===t.queue.copyElementImageToTexture.length?t.queue.copyElementImageToTexture({source:n},{destination:{texture:r.texture},width:a,height:o}):t.queue.copyElementImageToTexture(n,a,o,{texture:r.texture}),e.flipY&&this._flipY(r.texture,i)}else if(s.length>0)for(let t=0,n=s.length;t0?e.width:r.size.width,l=a>0?e.height:r.size.height;RM.source=e,RM.flipY=i,wM.texture=t,wM.mipLevel=a,wM.origin.z=s,wM.premultipliedAlpha=n,CM.width=u,CM.height=l;try{o.queue.copyExternalImageToTexture(RM,wM,CM)}catch(e){}finally{RM.reset(),wM.reset(),CM.reset()}}_getPassUtils(){let e=this._passUtils;return null===e&&(this._passUtils=e=new yM(this.backend.device)),e}_generateMipmaps(e,t=null){this._getPassUtils().generateMipmaps(e,t)}_flipY(e,t,r=0){this._getPassUtils().flipY(e,t,r)}_copyBufferToTexture(e,t,r,s,i,n=0,a=0){const o=this.backend.device,u=e.data,l=this._getBytesPerTexel(r.format),d=e.width*l;NM.texture=t,NM.mipLevel=a,NM.origin.z=s,EM.offset=e.width*e.height*l*n,EM.bytesPerRow=d,CM.width=e.width,CM.height=e.height,o.queue.writeTexture(NM,u,EM,CM),NM.reset(),EM.reset(),CM.reset(),!0===i&&this._flipY(t,r,s)}_copyCompressedBufferToTexture(e,t,r,s=null){const i=this.backend.device,n=this._getBlockData(r.format),a=r.size.depthOrArrayLayers>1,o=s&&s.size>0?s:null;for(let s=0;s]*\s*([a-z_0-9]+(?:<[\s\S]+?>)?)/i,DM=/([a-z_0-9]+)\s*:\s*([a-z_0-9]+(?:<[\s\S]+?>)?)/gi,OM={f32:"float",i32:"int",u32:"uint",bool:"bool","vec2":"vec2","vec2":"ivec2","vec2":"uvec2","vec2":"bvec2",vec2f:"vec2",vec2i:"ivec2",vec2u:"uvec2",vec2b:"bvec2","vec3":"vec3","vec3":"ivec3","vec3":"uvec3","vec3":"bvec3",vec3f:"vec3",vec3i:"ivec3",vec3u:"uvec3",vec3b:"bvec3","vec4":"vec4","vec4":"ivec4","vec4":"uvec4","vec4":"bvec4",vec4f:"vec4",vec4i:"ivec4",vec4u:"uvec4",vec4b:"bvec4","mat2x2":"mat2",mat2x2f:"mat2","mat3x3":"mat3",mat3x3f:"mat3","mat4x4":"mat4",mat4x4f:"mat4",sampler:"sampler",texture_1d:"texture",texture_2d:"texture",texture_2d_array:"texture",texture_multisampled_2d:"cubeTexture",texture_depth_2d:"depthTexture",texture_depth_2d_array:"depthTexture",texture_depth_multisampled_2d:"depthTexture",texture_depth_cube:"depthTexture",texture_depth_cube_array:"depthTexture",texture_3d:"texture3D",texture_cube:"cubeTexture",texture_cube_array:"cubeTexture",texture_storage_1d:"storageTexture",texture_storage_2d:"storageTexture",texture_storage_2d_array:"storageTexture",texture_storage_3d:"storageTexture"};class IM extends QS{constructor(e){const{type:t,inputs:r,name:s,inputsCode:i,blockCode:n,outputType:a}=(e=>{const t=(e=e.trim()).match(UM);if(null!==t&&4===t.length){const r=t[2],s=[];let i=null;for(;null!==(i=DM.exec(r));)s.push({name:i[1],type:i[2]});const n=[];for(let e=0;e "+this.outputType:"";return`fn ${e} ( ${this.inputsCode.trim()} ) ${t}`+this.blockCode}}class VM extends YS{parseFunction(e){return new IM(e)}}const kM={[ai.READ_ONLY]:"read",[ai.WRITE_ONLY]:"write",[ai.READ_WRITE]:"read_write"},GM={[zr]:"repeat",[_e]:"clamp",[Gr]:"mirror"},zM={vertex:FR.VERTEX,fragment:FR.FRAGMENT,compute:FR.COMPUTE},$M={instance:!0,swizzleAssign:!1,storageBuffer:!0},WM={"^^":"tsl_xor"},HM={float:"f32",int:"i32",uint:"u32",bool:"bool",color:"vec3",vec2:"vec2",ivec2:"vec2",uvec2:"vec2",bvec2:"vec2",vec3:"vec3",ivec3:"vec3",uvec3:"vec3",bvec3:"vec3",vec4:"vec4",ivec4:"vec4",uvec4:"vec4",bvec4:"vec4",mat2:"mat2x2",mat3:"mat3x3",mat4:"mat4x4"},jM={},qM={tsl_xor:new YT("fn tsl_xor( a : bool, b : bool ) -> bool { return ( a || b ) && !( a && b ); }"),mod_float:new YT("fn tsl_mod_float( x : f32, y : f32 ) -> f32 { return x - y * floor( x / y ); }"),mod_vec2:new YT("fn tsl_mod_vec2( x : vec2f, y : vec2f ) -> vec2f { return x - y * floor( x / y ); }"),mod_vec3:new YT("fn tsl_mod_vec3( x : vec3f, y : vec3f ) -> vec3f { return x - y * floor( x / y ); }"),mod_vec4:new YT("fn tsl_mod_vec4( x : vec4f, y : vec4f ) -> vec4f { return x - y * floor( x / y ); }"),equals_bool:new YT("fn tsl_equals_bool( a : bool, b : bool ) -> bool { return a == b; }"),equals_bvec2:new YT("fn tsl_equals_bvec2( a : vec2f, b : vec2f ) -> vec2 { return vec2( a.x == b.x, a.y == b.y ); }"),equals_bvec3:new YT("fn tsl_equals_bvec3( a : vec3f, b : vec3f ) -> vec3 { return vec3( a.x == b.x, a.y == b.y, a.z == b.z ); }"),equals_bvec4:new YT("fn tsl_equals_bvec4( a : vec4f, b : vec4f ) -> vec4 { return vec4( a.x == b.x, a.y == b.y, a.z == b.z, a.w == b.w ); }"),repeatWrapping_float:new YT("fn tsl_repeatWrapping_float( coord: f32 ) -> f32 { return fract( coord ); }"),mirrorWrapping_float:new YT("fn tsl_mirrorWrapping_float( coord: f32 ) -> f32 { let mirrored = fract( coord * 0.5 ) * 2.0; return 1.0 - abs( 1.0 - mirrored ); }"),clampWrapping_float:new YT("fn tsl_clampWrapping_float( coord: f32 ) -> f32 { return clamp( coord, 0.0, 1.0 ); }"),inverse_mat2:new YT("\nfn tsl_inverse_mat2( m : mat2x2 ) -> mat2x2 {\n\n\tlet det = m[ 0 ][ 0 ] * m[ 1 ][ 1 ] - m[ 0 ][ 1 ] * m[ 1 ][ 0 ];\n\n\treturn mat2x2(\n\t\tm[ 1 ][ 1 ], - m[ 0 ][ 1 ],\n\t\t- m[ 1 ][ 0 ], m[ 0 ][ 0 ]\n\t) * ( 1.0 / det );\n\n}\n"),inverse_mat3:new YT("\nfn tsl_inverse_mat3( m : mat3x3 ) -> mat3x3 {\n\n\tlet a00 = m[ 0 ][ 0 ]; let a01 = m[ 0 ][ 1 ]; let a02 = m[ 0 ][ 2 ];\n\tlet a10 = m[ 1 ][ 0 ]; let a11 = m[ 1 ][ 1 ]; let a12 = m[ 1 ][ 2 ];\n\tlet a20 = m[ 2 ][ 0 ]; let a21 = m[ 2 ][ 1 ]; let a22 = m[ 2 ][ 2 ];\n\n\tlet b01 = a22 * a11 - a12 * a21;\n\tlet b11 = - a22 * a10 + a12 * a20;\n\tlet b21 = a21 * a10 - a11 * a20;\n\n\tlet det = a00 * b01 + a01 * b11 + a02 * b21;\n\n\treturn mat3x3(\n\t\tb01, ( - a22 * a01 + a02 * a21 ), ( a12 * a01 - a02 * a11 ),\n\t\tb11, ( a22 * a00 - a02 * a20 ), ( - a12 * a00 + a02 * a10 ),\n\t\tb21, ( - a21 * a00 + a01 * a20 ), ( a11 * a00 - a01 * a10 )\n\t) * ( 1.0 / det );\n\n}\n"),inverse_mat4:new YT("\nfn tsl_inverse_mat4( m : mat4x4 ) -> mat4x4 {\n\n\tlet a00 = m[ 0 ][ 0 ]; let a01 = m[ 0 ][ 1 ]; let a02 = m[ 0 ][ 2 ]; let a03 = m[ 0 ][ 3 ];\n\tlet a10 = m[ 1 ][ 0 ]; let a11 = m[ 1 ][ 1 ]; let a12 = m[ 1 ][ 2 ]; let a13 = m[ 1 ][ 3 ];\n\tlet a20 = m[ 2 ][ 0 ]; let a21 = m[ 2 ][ 1 ]; let a22 = m[ 2 ][ 2 ]; let a23 = m[ 2 ][ 3 ];\n\tlet a30 = m[ 3 ][ 0 ]; let a31 = m[ 3 ][ 1 ]; let a32 = m[ 3 ][ 2 ]; let a33 = m[ 3 ][ 3 ];\n\n\tlet b00 = a00 * a11 - a01 * a10;\n\tlet b01 = a00 * a12 - a02 * a10;\n\tlet b02 = a00 * a13 - a03 * a10;\n\tlet b03 = a01 * a12 - a02 * a11;\n\tlet b04 = a01 * a13 - a03 * a11;\n\tlet b05 = a02 * a13 - a03 * a12;\n\tlet b06 = a20 * a31 - a21 * a30;\n\tlet b07 = a20 * a32 - a22 * a30;\n\tlet b08 = a20 * a33 - a23 * a30;\n\tlet b09 = a21 * a32 - a22 * a31;\n\tlet b10 = a21 * a33 - a23 * a31;\n\tlet b11 = a22 * a33 - a23 * a32;\n\n\tlet det = b00 * b11 - b01 * b10 + b02 * b09 + b03 * b08 - b04 * b07 + b05 * b06;\n\n\treturn mat4x4(\n\t\ta11 * b11 - a12 * b10 + a13 * b09,\n\t\ta02 * b10 - a01 * b11 - a03 * b09,\n\t\ta31 * b05 - a32 * b04 + a33 * b03,\n\t\ta22 * b04 - a21 * b05 - a23 * b03,\n\t\ta12 * b08 - a10 * b11 - a13 * b07,\n\t\ta00 * b11 - a02 * b08 + a03 * b07,\n\t\ta32 * b02 - a30 * b05 - a33 * b01,\n\t\ta20 * b05 - a22 * b02 + a23 * b01,\n\t\ta10 * b10 - a11 * b08 + a13 * b06,\n\t\ta01 * b08 - a00 * b10 - a03 * b06,\n\t\ta30 * b04 - a31 * b02 + a33 * b00,\n\t\ta21 * b02 - a20 * b04 - a23 * b00,\n\t\ta11 * b07 - a10 * b09 - a12 * b06,\n\t\ta00 * b09 - a01 * b07 + a02 * b06,\n\t\ta31 * b01 - a30 * b03 - a32 * b00,\n\t\ta20 * b03 - a21 * b01 + a22 * b00\n\t) * ( 1.0 / det );\n\n}\n"),biquadraticTexture:new YT("\nfn tsl_biquadraticTexture( map : texture_2d, coord : vec2f, iRes : vec2u, level : u32 ) -> vec4f {\n\n\tlet res = vec2f( iRes );\n\n\tlet uvScaled = coord * res;\n\tlet uvWrapping = ( ( uvScaled % res ) + res ) % res;\n\n\t// https://www.shadertoy.com/view/WtyXRy\n\n\tlet uv = uvWrapping - 0.5;\n\tlet iuv = floor( uv );\n\tlet f = fract( uv );\n\n\tlet rg1 = textureLoad( map, vec2u( iuv + vec2( 0.5, 0.5 ) ) % iRes, level );\n\tlet rg2 = textureLoad( map, vec2u( iuv + vec2( 1.5, 0.5 ) ) % iRes, level );\n\tlet rg3 = textureLoad( map, vec2u( iuv + vec2( 0.5, 1.5 ) ) % iRes, level );\n\tlet rg4 = textureLoad( map, vec2u( iuv + vec2( 1.5, 1.5 ) ) % iRes, level );\n\n\treturn mix( mix( rg1, rg2, f.x ), mix( rg3, rg4, f.x ), f.y );\n\n}\n"),biquadraticTextureArray:new YT("\nfn tsl_biquadraticTexture_array( map : texture_2d_array, coord : vec2f, iRes : vec2u, layer : u32, level : u32 ) -> vec4f {\n\n\tlet res = vec2f( iRes );\n\n\tlet uvScaled = coord * res;\n\tlet uvWrapping = ( ( uvScaled % res ) + res ) % res;\n\n\t// https://www.shadertoy.com/view/WtyXRy\n\n\tlet uv = uvWrapping - 0.5;\n\tlet iuv = floor( uv );\n\tlet f = fract( uv );\n\n\tlet rg1 = textureLoad( map, vec2u( iuv + vec2( 0.5, 0.5 ) ) % iRes, layer, level );\n\tlet rg2 = textureLoad( map, vec2u( iuv + vec2( 1.5, 0.5 ) ) % iRes, layer, level );\n\tlet rg3 = textureLoad( map, vec2u( iuv + vec2( 0.5, 1.5 ) ) % iRes, layer, level );\n\tlet rg4 = textureLoad( map, vec2u( iuv + vec2( 1.5, 1.5 ) ) % iRes, layer, level );\n\n\treturn mix( mix( rg1, rg2, f.x ), mix( rg3, rg4, f.x ), f.y );\n\n}\n")},XM={dFdx:"dpdx",dFdy:"- dpdy",mod_float:"tsl_mod_float",mod_vec2:"tsl_mod_vec2",mod_vec3:"tsl_mod_vec3",mod_vec4:"tsl_mod_vec4",equals_bool:"tsl_equals_bool",equals_bvec2:"tsl_equals_bvec2",equals_bvec3:"tsl_equals_bvec3",equals_bvec4:"tsl_equals_bvec4",inverse_mat2:"tsl_inverse_mat2",inverse_mat3:"tsl_inverse_mat3",inverse_mat4:"tsl_inverse_mat4",inversesqrt:"inverseSqrt",bitcast:"bitcast",floatpack_snorm_2x16:"pack2x16snorm",floatpack_unorm_2x16:"pack2x16unorm",floatpack_float16_2x16:"pack2x16float",floatunpack_snorm_2x16:"unpack2x16snorm",floatunpack_unorm_2x16:"unpack2x16unorm",floatunpack_float16_2x16:"unpack2x16float"};let YM="";!0!==("undefined"!=typeof navigator&&/Firefox|Deno/g.test(navigator.userAgent))&&(YM+="diagnostic( off, derivative_uniformity );\n");class QM extends PS{constructor(e,t){super(e,t,new VM),this.uniformGroups={},this.uniformGroupsBindings={},this.builtins={},this.directives={},this.scopedArrays=new Map,this.allowEarlyReturns=!0,this.allowGlobalVariables=!0}_generateTextureSample(e,t,r,s,i,n=this.shaderStage){return"fragment"===n?s?i?`textureSample( ${t}, ${t}_sampler, ${r}, ${s}, ${i} )`:`textureSample( ${t}, ${t}_sampler, ${r}, ${s} )`:i?`textureSample( ${t}, ${t}_sampler, ${r}, ${i} )`:`textureSample( ${t}, ${t}_sampler, ${r} )`:this.generateTextureSampleLevel(e,t,r,"0",s)}generateTextureSampleLevel(e,t,r,s,i,n){return!1===this.isUnfilterable(e)?i?n?`textureSampleLevel( ${t}, ${t}_sampler, ${r}, ${i}, ${s}, ${n} )`:`textureSampleLevel( ${t}, ${t}_sampler, ${r}, ${i}, ${s} )`:n?`textureSampleLevel( ${t}, ${t}_sampler, ${r}, ${s}, ${n} )`:`textureSampleLevel( ${t}, ${t}_sampler, ${r}, ${s} )`:this.isFilteredTexture(e)?this.generateFilteredTexture(e,t,r,n,s,i):this.generateTextureLod(e,t,r,i,n,s)}generateWrapFunction(e){const t=`tsl_coord_${GM[e.wrapS]}S_${GM[e.wrapT]}T_${e.is3DTexture||e.isData3DTexture?"3d":"2d"}`;let r=jM[t];if(void 0===r){const s=[],i=e.is3DTexture||e.isData3DTexture?"vec3f":"vec2f";let n=`fn ${t}( coord : ${i} ) -> ${i} {\n\n\treturn ${i}(\n`;const a=(e,t)=>{e===zr?(s.push(qM.repeatWrapping_float),n+=`\t\ttsl_repeatWrapping_float( coord.${t} )`):e===_e?(s.push(qM.clampWrapping_float),n+=`\t\ttsl_clampWrapping_float( coord.${t} )`):e===Gr?(s.push(qM.mirrorWrapping_float),n+=`\t\ttsl_mirrorWrapping_float( coord.${t} )`):(n+=`\t\tcoord.${t}`,d(`WebGPURenderer: Unsupported texture wrap type "${e}" for vertex shader.`))};a(e.wrapS,"x"),n+=",\n",a(e.wrapT,"y"),(e.is3DTexture||e.isData3DTexture)&&(n+=",\n",a(e.wrapR,"z")),n+="\n\t);\n\n}\n",jM[t]=r=new YT(n,s)}return r.build(this),t}generateArrayDeclaration(e,t){return`array< ${this.getType(e)}, ${t} >`}generateTextureDimension(e,t,r){const s=this.getDataFromNode(e,this.shaderStage,this.cache);void 0===s.dimensionsSnippet&&(s.dimensionsSnippet={});let i=s.dimensionsSnippet[r];if(void 0===s.dimensionsSnippet[r]){let n,a;const{primarySamples:o}=this.renderer.backend.utils.getTextureSampleData(e),u=o>1;a=e.is3DTexture||e.isData3DTexture?"vec3":"vec2",n=u||e.isStorageTexture?t:`${t}${r?`, u32( ${r} )`:""}`,i=new ku(new Ll(`textureDimensions( ${n} )`,a)),s.dimensionsSnippet[r]=i,(e.isArrayTexture||e.isDataArrayTexture||e.is3DTexture||e.isData3DTexture)&&(s.arrayLayerCount=new ku(new Ll(`textureNumLayers(${t})`,"u32"))),e.isTextureCube&&(s.cubeFaceCount=new ku(new Ll("6u","u32")))}return i.build(this)}generateFilteredTexture(e,t,r,s,i="0u",n){const a=this.generateWrapFunction(e),o=this.generateTextureDimension(e,t,i);return s&&(r=`${r} + vec2(${s}) / ${o}`),n?(this._include("biquadraticTextureArray"),`tsl_biquadraticTexture_array( ${t}, ${a}( ${r} ), ${o}, u32( ${n} ), u32( ${i} ) )`):(this._include("biquadraticTexture"),`tsl_biquadraticTexture( ${t}, ${a}( ${r} ), ${o}, u32( ${i} ) )`)}generateTextureLod(e,t,r,s,i,n="0u"){if(!0===e.isCubeTexture){i&&(r=`${r} + vec3(${i})`);return`textureSampleLevel( ${t}, ${t}_sampler, ${r}, ${e.isDepthTexture?"u32":"f32"}( ${n} ) )`}const a=this.generateWrapFunction(e),o=this.generateTextureDimension(e,t,n),u=e.is3DTexture||e.isData3DTexture?"vec3":"vec2";i&&(r=`${r} + ${u}(${i}) / ${u}( ${o} )`);return r=`${u}( clamp( floor( ${a}( ${r} ) * ${u}( ${o} ) ), ${`${u}( 0 )`}, ${`${u}( ${o} - ${"vec3"===u?"vec3( 1, 1, 1 )":"vec2( 1, 1 )"} )`} ) )`,this.generateTextureLoad(e,t,r,n,s,null)}generateStorageTextureLoad(e,t,r,s,i,n){let a;return n&&(r=`${r} + ${n}`),a=i?`textureLoad( ${t}, ${r}, ${i} )`:`textureLoad( ${t}, ${r} )`,a}generateTextureLoad(e,t,r,s,i,n){let a;return null===s&&(s="0u"),n&&(r=`${r} + ${n}`),i?a=`textureLoad( ${t}, ${r}, ${i}, u32( ${s} ) )`:(a=`textureLoad( ${t}, ${r}, u32( ${s} ) )`,this.renderer.backend.compatibilityMode&&e.isDepthTexture&&(a+=".x")),a}generateTextureStore(e,t,r,s,i){let n;return n=s?`textureStore( ${t}, ${r}, ${s}, ${i} )`:`textureStore( ${t}, ${r}, ${i} )`,n}isSampleCompare(e){return!0===e.isDepthTexture&&null!==e.compareFunction&&this.renderer.hasCompatibility(R.TEXTURE_COMPARE)}isUnfilterable(e){return"float"!==this.getComponentTypeFromTexture(e)||!this.isAvailable("float32Filterable")&&e.type===Y||!1===this.isSampleCompare(e)&&e.minFilter===B&&e.magFilter===B||this.renderer.backend.utils.getTextureSampleData(e).primarySamples>1}generateTexture(e,t,r,s,i,n=this.shaderStage){let a=null;return a=this.isUnfilterable(e)?this.generateTextureLod(e,t,r,s,i,"0",n):this._generateTextureSample(e,t,r,s,i,n),a}generateTextureGrad(e,t,r,s,i,n,a=this.shaderStage){if("fragment"===a)return i?n?`textureSampleGrad( ${t}, ${t}_sampler, ${r}, ${i}, ${s[0]}, ${s[1]}, ${n} )`:`textureSampleGrad( ${t}, ${t}_sampler, ${r}, ${i}, ${s[0]}, ${s[1]} )`:n?`textureSampleGrad( ${t}, ${t}_sampler, ${r}, ${s[0]}, ${s[1]}, ${n} )`:`textureSampleGrad( ${t}, ${t}_sampler, ${r}, ${s[0]}, ${s[1]} )`;o(`WebGPURenderer: THREE.TextureNode.gradient() does not support ${a} shader.`)}generateTextureCompare(e,t,r,s,i,n,a=this.shaderStage){if("fragment"===a)return!0===e.isDepthTexture&&!0===e.isArrayTexture?n?`textureSampleCompare( ${t}, ${t}_sampler, ${r}, ${i}, ${s}, ${n} )`:`textureSampleCompare( ${t}, ${t}_sampler, ${r}, ${i}, ${s} )`:n?`textureSampleCompare( ${t}, ${t}_sampler, ${r}, ${s}, ${n} )`:`textureSampleCompare( ${t}, ${t}_sampler, ${r}, ${s} )`;o(`WebGPURenderer: THREE.DepthTexture.compareFunction() does not support ${a} shader.`)}generateTextureGather(e,t,r,s,i,n){const a=!0===e.isDepthTexture?"":`${s}, `;return i?n?`textureGather( ${a}${t}, ${t}_sampler, ${r}, ${i}, ${n} )`:`textureGather( ${a}${t}, ${t}_sampler, ${r}, ${i} )`:n?`textureGather( ${a}${t}, ${t}_sampler, ${r}, ${n} )`:`textureGather( ${a}${t}, ${t}_sampler, ${r})`}generateTextureGatherCompare(e,t,r,s,i,n){return i?n?`textureGatherCompare( ${t}, ${t}_sampler, ${r}, ${i}, ${s}, ${n} )`:`textureGatherCompare( ${t}, ${t}_sampler, ${r}, ${i}, ${s})`:n?`textureGatherCompare( ${t}, ${t}_sampler, ${r}, ${s}, ${n} )`:`textureGatherCompare( ${t}, ${t}_sampler, ${r}, ${s})`}generateTextureLevel(e,t,r,s,i,n){return!1===this.isUnfilterable(e)?i?n?`textureSampleLevel( ${t}, ${t}_sampler, ${r}, ${i}, ${s}, ${n} )`:`textureSampleLevel( ${t}, ${t}_sampler, ${r}, ${i}, ${s} )`:n?`textureSampleLevel( ${t}, ${t}_sampler, ${r}, ${s}, ${n} )`:`textureSampleLevel( ${t}, ${t}_sampler, ${r}, ${s} )`:this.isFilteredTexture(e)?this.generateFilteredTexture(e,t,r,n,s,i):this.generateTextureLod(e,t,r,i,n,s)}generateTextureBias(e,t,r,s,i,n,a=this.shaderStage){if("fragment"===a)return i?n?`textureSampleBias( ${t}, ${t}_sampler, ${r}, ${i}, ${s}, ${n} )`:`textureSampleBias( ${t}, ${t}_sampler, ${r}, ${i}, ${s} )`:n?`textureSampleBias( ${t}, ${t}_sampler, ${r}, ${s}, ${n} )`:`textureSampleBias( ${t}, ${t}_sampler, ${r}, ${s} )`;o(`WebGPURenderer: THREE.TextureNode.biasNode does not support ${a} shader.`)}getPropertyName(e,t=this.shaderStage){if(!0===e.isNodeVarying&&!0===e.needsInterpolation){if("vertex"===t)return`varyings.${e.name}`}else if(!0===e.isNodeUniform){const t=e.name,r=e.type;return"texture"===r||"cubeTexture"===r||"cubeDepthTexture"===r||"storageTexture"===r||"texture3D"===r?t:"buffer"===r||"storageBuffer"===r||"indirectStorageBuffer"===r?this.isCustomStruct(e)?t:t+".value":e.groupNode.name+"."+t}return super.getPropertyName(e)}getOutputStructName(){return"output"}getFunctionOperator(e){const t=WM[e];return void 0!==t?(this._include(t),t):null}getNodeAccess(e,t){return"compute"!==t?!0===e.isAtomic?(d("WebGPURenderer: Atomic operations are only supported in compute shaders."),ai.READ_WRITE):ai.READ_ONLY:e.access}getStorageAccess(e,t){return kM[this.getNodeAccess(e,t)]}getUniformFromNode(e,t,r,s=null){const i=super.getUniformFromNode(e,t,r,s),n=this.getDataFromNode(e,r,this.globalCache);if(void 0===n.uniformGPU){let a;const o=e.groupNode,u=o.name,l=this.getBindGroupArray(u,r);if("texture"===t||"cubeTexture"===t||"cubeDepthTexture"===t||"storageTexture"===t||"texture3D"===t){let s=null;const n=this.getNodeAccess(e,r);"texture"===t||"storageTexture"===t?s=!0===e.value.is3DTexture?new QE(i.name,i.node,o,n):new XE(i.name,i.node,o,n):"cubeTexture"===t||"cubeDepthTexture"===t?s=new YE(i.name,i.node,o,n):"texture3D"===t&&(s=new QE(i.name,i.node,o,n)),s.store=!0===e.isStorageTextureNode,s.mipLevel=s.store?e.mipLevel:0,s.setVisibility(zM[r]);if(!0===e.value.isCubeTexture||!1===this.isUnfilterable(e.value)&&!1===s.store||null!==e.gatherNode){const e=new $C(`${i.name}_sampler`,i.node,o);e.setVisibility(zM[r]),l.push(e,s),a=[e,s]}else l.push(s),a=[s]}else if("buffer"===t||"storageBuffer"===t||"indirectStorageBuffer"===t){const n=this.getSharedDataFromNode(e);let u=n.buffer;if(void 0===u){u=new("buffer"===t?GE:jC)(e,o),n.buffer=u}u.setVisibility(u.getVisibility()|zM[r]),l.push(u),a=u,i.name=s||"NodeBuffer_"+i.id}else{let e=this.uniformGroups[u];void 0===e&&(e=new WE(u,o),e.setVisibility(FR.VERTEX|FR.FRAGMENT|FR.COMPUTE),this.uniformGroups[u]=e),-1===l.indexOf(e)&&l.push(e),a=this.getNodeUniform(i,t);const r=a.name;e.uniforms.some(e=>e.name===r)||e.addUniform(a)}n.uniformGPU=a}return i}getBuiltin(e,t,r,s=this.shaderStage){const i=this.builtins[s]||(this.builtins[s]=new Map);return!1===i.has(e)&&i.set(e,{name:e,property:t,type:r}),t}hasBuiltin(e,t=this.shaderStage){return void 0!==this.builtins[t]&&this.builtins[t].has(e)}getVertexIndex(){return"vertex"===this.shaderStage?this.getBuiltin("vertex_index","vertexIndex","u32","attribute"):"vertexIndex"}buildFunctionCode(e){const t=e.layout,r=this.flowShaderNode(e),s=[];for(const e of t.inputs)s.push(e.name+" : "+this.getType(e.type));let i=`fn ${t.name}( ${s.join(", ")} ) -> ${this.getType(t.type)} {\n${r.vars}\n${r.code}\n`;return r.result&&(i+=`\treturn ${r.result};\n`),i+="\n}\n",i}getInstanceIndex(){return"vertex"===this.shaderStage?this.getBuiltin("instance_index","instanceIndex","u32","attribute"):"instanceIndex"}getInvocationLocalIndex(){return this.getBuiltin("local_invocation_index","invocationLocalIndex","u32","attribute")}getSubgroupSize(){return this.enableSubGroups(),this.getBuiltin("subgroup_size","subgroupSize","u32","attribute")}getInvocationSubgroupIndex(){return this.enableSubGroups(),this.getBuiltin("subgroup_invocation_id","invocationSubgroupIndex","u32","attribute")}getSubgroupIndex(){return this.enableSubGroups(),this.getBuiltin("subgroup_id","subgroupIndex","u32","attribute")}getDrawIndex(){return null}getFrontFacing(){return this.getBuiltin("front_facing","isFront","bool")}getFragCoord(){return this.getBuiltin("position","fragCoord","vec4")+".xy"}getFragDepth(){return"output."+this.getBuiltin("frag_depth","depth","f32","output")}getClipDistance(){return"varyings.hw_clip_distances"}isFlipY(){return!1}enableDirective(e,t=this.shaderStage){(this.directives[t]||(this.directives[t]=new Set)).add(e)}getDirectives(e){const t=[],r=this.directives[e];if(void 0!==r)for(const e of r)t.push(`enable ${e};`);return t.join("\n")}enableSubGroups(){this.enableDirective("subgroups")}enableSubgroupsF16(){this.enableDirective("subgroups-f16")}enableClipDistances(){this.enableDirective("clip_distances")}enableShaderF16(){this.enableDirective("f16")}enableDualSourceBlending(){this.enableDirective("dual_source_blending")}enableHardwareClipping(e){this.enableClipDistances(),this.getBuiltin("clip_distances","hw_clip_distances",`array`,"vertex")}getBuiltins(e){const t=[],r=this.builtins[e];if(void 0!==r)for(const{name:e,property:s,type:i}of r.values())t.push(`@builtin( ${e} ) ${s} : ${i}`);return t.join(",\n\t")}getScopedArray(e,t,r,s){return!1===this.scopedArrays.has(e)&&this.scopedArrays.set(e,{name:e,scope:t,bufferType:r,bufferCount:s}),e}getScopedArrays(e){if("compute"!==e)return;const t=[];for(const{name:e,scope:r,bufferType:s,bufferCount:i}of this.scopedArrays.values()){const n=this.getType(s);t.push(`var<${r}> ${e}: array< ${n}, ${i} >;`)}return t.join("\n")}getAttributes(e){const t=[];if("compute"===e&&(this.getBuiltin("global_invocation_id","globalId","vec3","attribute"),this.getBuiltin("workgroup_id","workgroupId","vec3","attribute"),this.getBuiltin("local_invocation_id","localId","vec3","attribute"),this.getBuiltin("num_workgroups","numWorkgroups","vec3","attribute"),this.renderer.hasFeature("subgroups")&&(this.enableDirective("subgroups",e),this.getBuiltin("subgroup_size","subgroupSize","u32","attribute"))),"vertex"===e||"compute"===e){const e=this.getBuiltins("attribute");e&&t.push(e);const r=this.getAttributesArray();for(let e=0,s=r.length;e"),t.push(`\t${s+r.name} : ${i}`)}return e.output&&t.push(`\t${this.getBuiltins("output")}`),t.join(",\n")}getStructs(e){let t="";const r=this.structs[e];if(r.length>0){const e=[];for(const t of r){let r=`struct ${t.name} {\n`;r+=this.getStructMembers(t),r+="\n};",e.push(r)}t="\n"+e.join("\n\n")+"\n"}return t}getVar(e,t,r=null,s=""){let i=`var${s} ${t} : `;return i+=null!==r?this.generateArrayDeclaration(e,r):this.getType(e),i}getVars(e,t=!1){let r="";t&&(r="");const s=[],i=this.vars[e];if(void 0!==i)for(const e of i)s.push(`${this.getVar(e.type,e.name,e.count,r)};`);return t?s.join("\n"):`\n\t${s.join("\n\t")}\n`}getVaryings(e){const t=[];if("vertex"===e&&this.getBuiltin("position","builtinClipSpace","vec4","vertex"),"vertex"===e||"fragment"===e){const r=this.varyings,s=this.vars[e];let i=0;for(let n=0;nr.value.itemSize;return s&&!i}getUniforms(e){const t=this.renderer.backend,r=this.uniforms[e],s=[],i=[],n=[],a={};for(const n of r){const r=n.groupNode.name,o=this.bindingsIndexes[r];if("texture"===n.type||"cubeTexture"===n.type||"cubeDepthTexture"===n.type||"storageTexture"===n.type||"texture3D"===n.type){const r=n.node,i=r.value;let a;(!0===i.isCubeTexture||!1===this.isUnfilterable(i)&&!0!==r.isStorageTextureNode||null!==r.gatherNode)&&(this.isSampleCompare(i)&&null!==r.compareNode?s.push(`@binding( ${o.binding++} ) @group( ${o.group} ) var ${n.name}_sampler : sampler_comparison;`):s.push(`@binding( ${o.binding++} ) @group( ${o.group} ) var ${n.name}_sampler : sampler;`));let u="";const{primarySamples:l}=t.utils.getTextureSampleData(i);if(l>1&&(u="_multisampled"),!0===i.isCubeTexture&&!0===i.isDepthTexture)a="texture_depth_cube";else if(!0===i.isCubeTexture)a="texture_cube";else if(!0===i.isDepthTexture)a=t.compatibilityMode&&null===i.compareFunction?`texture${u}_2d`:`texture_depth${u}_2d${!0===i.isArrayTexture?"_array":""}`;else if(!0===n.node.isStorageTextureNode){const r=PM(i,t.device),s=this.getStorageAccess(n.node,e),o=n.node.value.is3DTexture,u=n.node.value.isArrayTexture;a=`texture_storage_${o?"3d":"2d"+(u?"_array":"")}<${r}, ${s}>`}else if(!0===i.isArrayTexture||!0===i.isDataArrayTexture||!0===i.isCompressedArrayTexture)a="texture_2d_array";else if(!0===i.is3DTexture||!0===i.isData3DTexture)a="texture_3d";else{a=`texture${u}_2d<${this.getComponentTypeFromTexture(i).charAt(0)}32>`}s.push(`@binding( ${o.binding++} ) @group( ${o.group} ) var ${n.name} : ${a};`)}else if("buffer"===n.type||"storageBuffer"===n.type||"indirectStorageBuffer"===n.type){const t=n.node,r=this.getType(t.getNodeType(this)),s=t.bufferCount,a=s>0&&"buffer"===n.type?", "+s:"",u=t.isStorageBufferNode?`storage, ${this.getStorageAccess(t,e)}`:"uniform";if(this.isCustomStruct(n))i.push(`@binding( ${o.binding++} ) @group( ${o.group} ) var<${u}> ${n.name} : ${r};`);else{const e=`\tvalue : array< ${t.isAtomic?`atomic<${r}>`:`${r}`}${a} >`;i.push(this._getWGSLStructBinding(n.name,e,u,o.binding++,o.group))}}else{const e=n.groupNode.name;if(void 0===a[e]){const t=this.uniformGroups[e];if(void 0!==t){const r=[];for(const e of t.uniforms){const t=e.getType(),s=this.getType(this.getVectorType(t));r.push(`\t${e.name} : ${s}`)}let s=this.uniformGroupsBindings[e];void 0===s&&(s={index:o.binding++,id:o.group},this.uniformGroupsBindings[e]=s),a[e]={index:s.index,id:s.id,snippets:r}}}}}for(const e in a){const t=a[e];n.push(this._getWGSLStructBinding(e,t.snippets.join(",\n"),"uniform",t.index,t.id))}return[...s,...i,...n].join("\n")}buildCode(){const e=null!==this.material?{fragment:{},vertex:{}}:{compute:{}};this.sortBindingGroups();for(const t in e){this.shaderStage=t;const r=this.allowGlobalVariables,s=e[t];s.uniforms=this.getUniforms(t),s.attributes=this.getAttributes(t),s.varyings=this.getVaryings(t),s.structs=this.getStructs(t),s.vars=this.getVars(t,r),s.codes=this.getCodes(t),s.directives=this.getDirectives(t),s.scopedArrays=this.getScopedArrays(t);let i="// code\n\n";i+=this.flowCode[t];const n=this.flowNodes[t],a=n[n.length-1],o=a.outputNode,u=void 0!==o&&!0===o.isOutputStructNode;for(const e of n){const r=this.getFlowData(e),n=e.name;if(n&&(i.length>0&&(i+="\n"),i+=`\t// flow -> ${n}\n`),i+=`${r.code}\n\t`,e===a&&"compute"!==t)if(i+="// result\n\n\t","vertex"===t)i+=`varyings.builtinClipSpace = ${r.result};`;else if("fragment"===t)if(u)s.returnType=o.getNodeType(this),s.structs+="var output : "+s.returnType+";",i+=`return ${r.result};`;else{let e=`\t@location( 0 ) color: ${this.getType(this.getOutputType())}`;const t=this.getBuiltins("output");t&&(e+=",\n\t"+t),s.returnType="OutputStruct",s.structs+=this._getWGSLStruct("OutputStruct",e),s.structs+="\nvar output : OutputStruct;",i+=`output.color = ${this.format(r.result,a.getNodeType(this),this.getOutputType())};\n\n\treturn output;`}}s.flow=i}if(this.shaderStage=null,null!==this.material)this.vertexShader=this._getWGSLVertexCode(e.vertex),this.fragmentShader=this._getWGSLFragmentCode(e.fragment);else{const t=this.object.workgroupSize;this.computeShader=this._getWGSLComputeCode(e.compute,t)}}getMethod(e,t=null){let r;return null!==t&&(r=this._getWGSLMethod(e+"_"+t)),void 0===r&&(r=this._getWGSLMethod(e)),r||e}getBitcastMethod(e){return`bitcast<${this.getType(e)}>`}getFloatPackingMethod(e){return this.getMethod(`floatpack_${e}_2x16`)}getFloatUnpackingMethod(e){return this.getMethod(`floatunpack_${e}_2x16`)}getTernary(e,t,r){return`select( ${r}, ${t}, ${e} )`}getType(e){return HM[e]||e}isAvailable(e){let t=$M[e];return void 0===t&&("float32Filterable"===e?t=this.renderer.hasFeature("float32-filterable"):"clipDistance"===e&&(t=this.renderer.hasFeature("clip-distances")),$M[e]=t),t}_getWGSLMethod(e){return void 0!==qM[e]&&this._include(e),XM[e]}_include(e){const t=qM[e];return t.build(this),this.addInclude(t),t}_getWGSLVertexCode(e){return`${this.getSignature()}\n// directives\n${e.directives}\n\n// structs\n${e.structs}\n\n// uniforms\n${e.uniforms}\n\n// varyings\n${e.varyings}\nvar varyings : VaryingsStruct;\n\n// vars\n${e.vars}\n\n// codes\n${e.codes}\n\n@vertex\nfn main( ${e.attributes} ) -> VaryingsStruct {\n\n\t// flow\n\t${e.flow}\n\n\treturn varyings;\n\n}\n`}_getWGSLFragmentCode(e){return`${this.getSignature()}\n// global\n${YM}\n\n// structs\n${e.structs}\n\n// uniforms\n${e.uniforms}\n\n// vars\n${e.vars}\n\n// codes\n${e.codes}\n\n@fragment\nfn main( ${e.varyings} ) -> ${e.returnType} {\n\n\t// flow\n\t${e.flow}\n\n}\n`}_getWGSLComputeCode(e,t){const[r,s,i]=t;return`${this.getSignature()}\n// directives\n${e.directives}\n\n// system\nvar instanceIndex : u32;\n\n// locals\n${e.scopedArrays}\n\n// structs\n${e.structs}\n\n// uniforms\n${e.uniforms}\n\n// vars\n${this.allowGlobalVariables?e.vars:""}\n\n// codes\n${e.codes}\n\n@compute @workgroup_size( ${r}, ${s}, ${i} )\nfn main( ${e.attributes} ) {\n\n\t// local vars\n\t${this.allowGlobalVariables?"":e.vars}\n\n\t// system\n\tinstanceIndex = globalId.x\n\t\t+ globalId.y * ( ${r} * numWorkgroups.x )\n\t\t+ globalId.z * ( ${r} * numWorkgroups.x ) * ( ${s} * numWorkgroups.y );\n\n\t// flow\n\t${e.flow}\n\n}\n`}_getWGSLStruct(e,t){return`\nstruct ${e} {\n${t}\n};`}_getWGSLStructBinding(e,t,r,s=0,i=0){const n=e+"Struct";return`${this._getWGSLStruct(n,t)}\n@binding( ${s} ) @group( ${i} )\nvar<${r}> ${e} : ${n};`}}const KM=new KC,ZM=new ZC,JM=new Map([[Int8Array,["sint8","snorm8"]],[Uint8Array,["uint8","unorm8"]],[Int16Array,["sint16","snorm16"]],[Uint16Array,["uint16","unorm16"]],[Int32Array,["sint32","snorm32"]],[Uint32Array,["uint32","unorm32"]],[Float32Array,["float32"]]]);"undefined"!=typeof Float16Array&&JM.set(Float16Array,["float16"]);const eB=new Map([[xt,["float16"]]]),tB=new Map([[Int32Array,"sint32"],[Int16Array,"sint32"],[Uint32Array,"uint32"],[Uint16Array,"uint32"],[Float32Array,"float32"]]);class rB{constructor(e){this.backend=e}createAttribute(e,t){const r=this._getBufferAttribute(e),s=this.backend,i=s.get(r);let n=i.buffer;if(void 0===n){const a=s.device;let o,u=r.array;if(!1===e.normalized)if(u.constructor===Int16Array||u.constructor===Int8Array)u=new Int32Array(u);else if((u.constructor===Uint16Array||u.constructor===Uint8Array)&&(u=new Uint32Array(u),t&GPUBufferUsage.INDEX))for(let e=0;e1&&r.itemSize*u.BYTES_PER_ELEMENT%4!=0){const e=r.itemSize*u.BYTES_PER_ELEMENT;o=4*Math.floor((e+3)/4)/u.BYTES_PER_ELEMENT}if(void 0!==o){const e=r.itemSize,t=new u.constructor(r.count*o);for(let s=0;s1&&e%4!=0&&(e=4*Math.floor((e+3)/4))),!1!==s.normalized||s.array.constructor!==Int16Array&&s.array.constructor!==Uint16Array||(e=4),a={arrayStride:e,attributes:[],stepMode:t},r.set(n,a)}const o=this._getVertexFormat(s),u=!0===s.isInterleavedBufferAttribute?s.offset*i:0;a.attributes.push({shaderLocation:e,offset:u,format:o})}return Array.from(r.values())}destroyAttribute(e){const t=this.backend;t.get(this._getBufferAttribute(e)).buffer.destroy(),t.delete(e)}async getArrayBufferAsync(e,t=null,r=0,s=-1){const i=this.backend,n=i.device,a=i.get(this._getBufferAttribute(e)).buffer,o=-1===s?a.size-r:s;let u;if(null!==t&&t.isReadbackBuffer){const e=i.get(t);if(!0===t._mapped)throw new Error("THREE.WebGPUAttributeUtils: ReadbackBuffer must be released before being used again.");if(t._mapped=!0,void 0===e.readBufferGPU){KM.label=`${t.name}_readback`,KM.size=t.maxByteLength,KM.usage=GPUBufferUsage.COPY_DST|GPUBufferUsage.MAP_READ,u=n.createBuffer(KM),KM.reset();const r=()=>{t.buffer=null,t._mapped=!1,u.unmap()},s=()=>{t.buffer=null,t._mapped=!1,u.destroy(),i.delete(t),t.removeEventListener("release",r),t.removeEventListener("dispose",s)};t.addEventListener("release",r),t.addEventListener("dispose",s),e.readBufferGPU=u}else u=e.readBufferGPU}else KM.label=`${e.name}_readback`,KM.size=o,KM.usage=GPUBufferUsage.COPY_DST|GPUBufferUsage.MAP_READ,u=n.createBuffer(KM),KM.reset();ZM.label=`readback_encoder_${e.name}`;const l=n.createCommandEncoder(ZM);ZM.reset(),l.copyBufferToBuffer(a,r,u,0,o);if(YC(n,l.finish()),await u.mapAsync(GPUMapMode.READ,0,o),null===t){const e=u.getMappedRange(0,o).slice();return u.destroy(),e}if(t.isReadbackBuffer)return t.buffer=u.getMappedRange(0,o),t;{const e=u.getMappedRange(0,o);return new Uint8Array(t).set(new Uint8Array(e)),u.destroy(),t}}_getVertexFormat(e){const{itemSize:t,normalized:r}=e,s=e.array.constructor,i=e.constructor;let n;if(1===t)n=tB.get(s);else{const e=(eB.get(i)||JM.get(s))[r?1:0];if(e){const r=s.BYTES_PER_ELEMENT*t,i=4*Math.floor((r+3)/4)/s.BYTES_PER_ELEMENT;if(i%1)throw new Error("THREE.WebGPUAttributeUtils: Bad vertex format item size.");n=`${e}x${i}`}}return n||o("WebGPUAttributeUtils: Vertex format not supported yet."),n}_getBufferAttribute(e){return e.isInterleavedBufferAttribute&&(e=e.data),e}}const sB=new QC,iB=new KC,nB=new aM;class aB{constructor(e){this.layoutGPU=e,this.usedTimes=0}}class oB{constructor(e){this.backend=e,this._bindGroupLayoutCache=new Map}createBindingsLayout(e){const t=this.backend,r=t.device,s=t.get(e);if(s.layout)return s.layout.layoutGPU;const i=this._createLayoutEntries(e),n=Gs(JSON.stringify(i));let a=this._bindGroupLayoutCache.get(n);return void 0===a&&(a=new aB(r.createBindGroupLayout({entries:i})),this._bindGroupLayoutCache.set(n,a)),a.usedTimes++,s.layout=a,s.layoutKey=n,a.layoutGPU}createBindings(e,t,r,s=0){const{backend:i}=this,n=i.get(e),a=this.createBindingsLayout(e);let o;r>0&&(void 0===n.groups&&(n.groups=[],n.versions=[]),n.versions[r]===s&&(o=n.groups[r])),void 0===o&&(o=this.createBindGroup(e,a),r>0&&(n.groups[r]=o,n.versions[r]=s)),n.group=o}updateBinding(e){const t=this.backend,r=t.device,s=e.buffer,i=t.get(e).buffer,n=e.updateRanges;if(0===n.length)r.queue.writeBuffer(i,0,s,0);else{const e=Qr(s),t=e?1:s.BYTES_PER_ELEMENT;let a=n[0].start;for(let o=0,u=n.length;o1&&(i+=`-${e.texture.depthOrArrayLayers}`),i+=`-${r}-${s}`,n=e[i],void 0===n){const a=IC;let o;o=t.isSampledCubeTexture?DC:t.texture.isArrayTexture||t.texture.isDataArrayTexture||t.texture.isCompressedArrayTexture?UC:t.isSampledTexture3D?OC:PC,nB.aspect=a,nB.dimension=o,nB.mipLevelCount=r,nB.baseMipLevel=s,n=e[i]=e.texture.createView(nB),nB.reset()}}sB.entries.push({binding:i,resource:n})}else if(t.isSampler){const e=r.get(t);sB.entries.push({binding:i,resource:e.sampler})}i++}const n=s.createBindGroup(sB);return sB.reset(),n}_createLayoutEntries(e){const t=[];let r=0;for(const s of e.bindings){const e=this.backend,i={binding:r,visibility:s.visibility};if(s.isUniformBuffer||s.isStorageBuffer){const e={};s.isStorageBuffer&&(s.visibility&FR.COMPUTE&&(s.access===ai.READ_WRITE||s.access===ai.WRITE_ONLY)?e.type=TC:e.type=_C),i.buffer=e}else if(s.isSampledTexture&&s.store){const e={};e.format=this.backend.get(s.texture).texture.format;const t=s.access;e.access=t===ai.READ_WRITE?SC:t===ai.WRITE_ONLY?vC:NC,s.texture.isArrayTexture?e.viewDimension=UC:s.texture.is3DTexture&&(e.viewDimension=OC),i.storageTexture=e}else if(s.isSampledTexture){const t={},{primarySamples:r}=e.utils.getTextureSampleData(s.texture);if(r>1&&(t.multisampled=!0,s.texture.isDepthTexture||(t.sampleType=AC)),s.texture.isDepthTexture)e.compatibilityMode&&null===s.texture.compareFunction?t.sampleType=AC:t.sampleType=CC;else{const e=s.texture.type;e===E?t.sampleType=MC:e===S?t.sampleType=BC:e===Y&&(this.backend.hasFeature("float32-filterable")?t.sampleType=wC:t.sampleType=AC)}s.isSampledCubeTexture?t.viewDimension=DC:s.texture.isArrayTexture||s.texture.isDataArrayTexture||s.texture.isCompressedArrayTexture?t.viewDimension=UC:s.isSampledTexture3D&&(t.viewDimension=OC),i.texture=t}else if(s.isSampler){const t={};s.texture.isDepthTexture&&(null!==s.texture.compareFunction&&null!==s.textureNode.compareNode&&e.hasCompatibility(R.TEXTURE_COMPARE)?t.type=RC:t.type=EC),i.sampler=t}else o(`WebGPUBindingUtils: Unsupported binding "${s}".`);t.push(i),r++}return t}deleteBindGroupData(e){const{backend:t}=this,r=t.get(e);r.layout&&(r.layout.usedTimes--,0===r.layout.usedTimes&&this._bindGroupLayoutCache.delete(r.layoutKey),r.layout=void 0,r.layoutKey=void 0)}dispose(){this._bindGroupLayoutCache.clear()}}class uB{constructor(e){this.backend=e}getMaxAnisotropy(){return 16}getUniformBufferLimit(){return this.backend.device.limits.maxUniformBufferBindingSize}}const lB=new class{constructor(){this.label="",this.layout=null,this.compute=null}reset(){this.label="",this.layout=null,this.compute=null}},dB=new class{constructor(){this.label="",this.bindGroupLayouts=null}reset(){this.label="",this.bindGroupLayouts=null}},cB=new JC,hB=new rM;class pB{constructor(e){this.backend=e}_getSampleCount(e){return this.backend.utils.getSampleCountRenderContext(e)}createRenderPipeline(e,t){const{object:r,material:s,geometry:i,pipeline:n}=e,{vertexProgram:a,fragmentProgram:u}=n,l=this.backend,d=l.device,c=l.utils,h=l.get(n),p=[];for(const t of e.getBindings()){const e=l.get(t),{layoutGPU:r}=e.layout;p.push(r)}const g=l.attributeUtils.createShaderVertexBuffers(e);let m;s.blending===re||s.blending===tt&&!1===s.transparent||(m=this._getBlending(s));let f={};!0===s.stencilWrite&&(f={compare:this._getStencilCompare(s),failOp:this._getStencilOperation(s.stencilFail),depthFailOp:this._getStencilOperation(s.stencilZFail),passOp:this._getStencilOperation(s.stencilZPass)});const y=this._getColorWriteMask(s),b=[];if(null!==e.context.textures){const t=e.context.textures,r=e.context.mrt;for(let e=0;e1,hB.layout=R;const w={},A=e.context.depth,C=e.context.stencil;!0!==A&&!0!==C||(!0===A&&(w.format=S,w.depthWriteEnabled=s.depthWrite,w.depthCompare=N),!0===C&&(w.stencilFront=f,w.stencilBack=f,w.stencilReadMask=s.stencilFuncMask,w.stencilWriteMask=s.stencilWriteMask),!0===s.polygonOffset&&_.topology===BR&&(w.depthBias=s.polygonOffsetUnits,w.depthBiasSlopeScale=s.polygonOffsetFactor,w.depthBiasClamp=0),hB.depthStencil=w),d.pushErrorScope("validation");const M=[{program:a,module:x.module},{program:u,module:T.module}],B=hB.label;if(null===t)h.pipeline=d.createRenderPipeline(hB),hB.reset(),d.popErrorScope().then(e=>{null!==e&&(h.error=!0,o(`WebGPURenderer: Render pipeline creation failed (${B}): ${e.message}`),this._reportShaderDiagnostics(M,B))});else{const e=new Promise(async e=>{try{let e=null,t=null;try{t=d.createRenderPipelineAsync(hB)}catch(t){e=t}if(hB.reset(),null!==t)try{h.pipeline=await t}catch(t){e=t}const r=await d.popErrorScope();if(null!==r||null!==e){h.error=!0;const t=r&&r.message||e&&e.message||"unknown";o(`WebGPURenderer: Async render pipeline creation failed (${B}): ${t}`),await this._reportShaderDiagnostics(M,B)}}finally{e()}});t.push(e)}}createBundleEncoder(e,t="renderBundleEncoder"){const r=this.backend,{utils:s,device:i}=r,n=s.getCurrentDepthStencilFormat(e),a=s.getCurrentColorFormats(e),o=this._getSampleCount(e);cB.label=t,cB.colorFormats=a,cB.depthStencilFormat=n,cB.sampleCount=o;const u=i.createRenderBundleEncoder(cB);return cB.reset(),u}createComputePipeline(e,t){const r=this.backend,s=r.device,i=r.get(e.computeProgram).module,n=r.get(e),a=[];for(const e of t){const t=r.get(e),{layoutGPU:s}=t.layout;a.push(s)}const u=e.computeProgram,l=`computePipeline_${u.stage}${u.name?`_${u.name}`:""}`;s.pushErrorScope("validation"),dB.bindGroupLayouts=a;const d=s.createPipelineLayout(dB);dB.reset(),lB.label=l,lB.compute=i,lB.layout=d,n.pipeline=s.createComputePipeline(lB),lB.reset(),s.popErrorScope().then(e=>{null!==e&&(n.error=!0,o(`WebGPURenderer: Compute pipeline creation failed (${l}): ${e.message}`),this._reportShaderDiagnostics([{program:u,module:i.module}],l))})}async _reportShaderDiagnostics(e,t){for(const{program:r,module:s}of e){const e=await s.getCompilationInfo();if(0===e.messages.length)continue;const i=r.code.split("\n");for(const s of e.messages){const e=s.lineNum>0?` at line ${s.lineNum}${s.linePos>0?`:${s.linePos}`:""}`:"",n=`WebGPURenderer [${t} / ${r.stage} ${s.type}]${e}: ${s.message}`;let a="";s.lineNum>0&&s.lineNum<=i.length&&(a=`\n ${i[s.lineNum-1]}`,s.linePos>0&&(a+=`\n ${" ".repeat(s.linePos-1)}^`)),("error"===s.type?o:d)(n+a)}}}_getBlending(e){let t,r;const s=e.blending,i=e.blendSrc,n=e.blendDst,a=e.blendEquation;if(s===Et){const s=null!==e.blendSrcAlpha?e.blendSrcAlpha:i,o=null!==e.blendDstAlpha?e.blendDstAlpha:n,u=null!==e.blendEquationAlpha?e.blendEquationAlpha:a;t={srcFactor:this._getBlendFactor(i),dstFactor:this._getBlendFactor(n),operation:this._getBlendOperation(a)},r={srcFactor:this._getBlendFactor(s),dstFactor:this._getBlendFactor(o),operation:this._getBlendOperation(u)}}else{const i=(e,s,i,n)=>{t={srcFactor:e,dstFactor:s,operation:nC},r={srcFactor:i,dstFactor:n,operation:nC}};if(e.premultipliedAlpha)switch(s){case tt:i(qA,KA,qA,KA);break;case Kt:i(qA,qA,qA,qA);break;case Qt:i(jA,YA,jA,qA);break;case Yt:i(ZA,KA,jA,qA)}else switch(s){case tt:i(QA,KA,qA,KA);break;case Kt:i(QA,qA,qA,qA);break;case Qt:o(`WebGPURenderer: "SubtractiveBlending" requires "${e.isMaterial?"material":"blendMode"}.premultipliedAlpha = true".`);break;case Yt:o(`WebGPURenderer: "MultiplyBlending" requires "${e.isMaterial?"material":"blendMode"}.premultipliedAlpha = true".`)}}if(void 0!==t&&void 0!==r)return{color:t,alpha:r};o("WebGPURenderer: Invalid blending: ",s)}_getBlendFactor(e){let t;switch(e){case Rt:t=jA;break;case Ht:t=qA;break;case Wt:t=XA;break;case kt:t=YA;break;case rt:t=QA;break;case st:t=KA;break;case zt:t=ZA;break;case Vt:t=JA;break;case Gt:t=eC;break;case It:t=tC;break;case $t:t=rC;break;case 211:t=sC;break;case 212:t=iC;break;default:o("WebGPURenderer: Blend factor not supported.",e)}return t}_getStencilCompare(e){let t;const r=e.stencilFunc;switch(r){case is:t=LR;break;case ss:t=kR;break;case rs:t=PR;break;case ts:t=DR;break;case es:t=UR;break;case Jr:t=VR;break;case Zr:t=OR;break;case Kr:t=IR;break;default:o("WebGPURenderer: Invalid stencil function.",r)}return t}_getStencilOperation(e){let t;switch(e){case hs:t=hC;break;case cs:t=pC;break;case ds:t=gC;break;case ls:t=mC;break;case us:t=fC;break;case os:t=yC;break;case as:t=bC;break;case ns:t=xC;break;default:o("WebGPURenderer: Invalid stencil operation.",t)}return t}_getBlendOperation(e){let t;switch(e){case it:t=nC;break;case Ot:t=aC;break;case Dt:t=oC;break;case gs:t=uC;break;case ps:t=lC;break;default:o("WebGPUPipelineUtils: Blend equation not supported.",e)}return t}_getPrimitiveState(e,t,r){const s={},i=this.backend.utils;s.topology=i.getPrimitiveTopology(e,r),null!==t.index&&!0===e.isLine&&!0!==e.isLineSegments&&(s.stripIndexFormat=t.index.array instanceof Uint16Array?XR:YR);let n=r.side===L;return e.isMesh&&e.matrixWorld.determinantAffine()<0&&(n=!n),s.frontFace=!0===n?HR:WR,s.cullMode=r.side===P?jR:qR,s}_getColorWriteMask(e){return!0===e.colorWrite?cC:dC}_getDepthCompare(e){let t;if(!1===e.depthTest)t=kR;else{const r=this.backend.parameters.reversedDepthBuffer?ar[e.depthFunc]:e.depthFunc;switch(r){case nr:t=LR;break;case ir:t=kR;break;case sr:t=PR;break;case rr:t=DR;break;case tr:t=UR;break;case er:t=VR;break;case Jt:t=OR;break;case Zt:t=IR;break;default:o("WebGPUPipelineUtils: Invalid depth function.",r)}}return t}}class gB{constructor(){this.label="",this.type=void 0,this.count=0}reset(){this.label="",this.type=void 0,this.count=0}}const mB=new KC,fB=new ZC,yB=new gB;class bB extends ER{constructor(e,t,r=2048){super(r),this.device=e,this.type=t,yB.label=`queryset_global_timestamp_${t}`,yB.type="timestamp",yB.count=this.maxQueries,this.querySet=this.device.createQuerySet(yB),yB.reset();const s=8*this.maxQueries;mB.label=`buffer_timestamp_resolve_${t}`,mB.size=s,mB.usage=GPUBufferUsage.QUERY_RESOLVE|GPUBufferUsage.COPY_SRC,this.resolveBuffer=this.device.createBuffer(mB),mB.reset(),mB.label=`buffer_timestamp_result_${t}`,mB.size=s,mB.usage=GPUBufferUsage.COPY_DST|GPUBufferUsage.MAP_READ,this.resultBuffer=this.device.createBuffer(mB),mB.reset()}allocateQueriesForContext(e){if(!this.trackTimestamp||this.isDisposed)return null;if(this.currentQueryIndex+2>this.maxQueries)return v(`WebGPUTimestampQueryPool [${this.type}]: Maximum number of queries exceeded, when using trackTimestamp it is necessary to resolves the queries via renderer.resolveTimestampsAsync( THREE.TimestampQuery.${this.type.toUpperCase()} ).`),null;const t=this.currentQueryIndex;return this.currentQueryIndex+=2,this.queryOffsets.set(e,t),t}async resolveQueriesAsync(){if(!this.trackTimestamp||0===this.currentQueryIndex||this.isDisposed)return this.lastValue;if(this.pendingResolve)return this.pendingResolve;this.pendingResolve=this._resolveQueries();try{return await this.pendingResolve}finally{this.pendingResolve=null}}async _resolveQueries(){if(this.isDisposed)return this.lastValue;try{if("unmapped"!==this.resultBuffer.mapState)return this.lastValue;const e=new Map(this.queryOffsets),t=this.currentQueryIndex,r=8*t;this.currentQueryIndex=0,this.queryOffsets.clear();const s=this.device.createCommandEncoder(fB);s.resolveQuerySet(this.querySet,0,t,this.resolveBuffer,0),s.copyBufferToBuffer(this.resolveBuffer,0,this.resultBuffer,0,r);const i=s.finish();if(YC(this.device,i),"unmapped"!==this.resultBuffer.mapState)return this.lastValue;if(await this.resultBuffer.mapAsync(GPUMapMode.READ,0,r),this.isDisposed)return"mapped"===this.resultBuffer.mapState&&this.resultBuffer.unmap(),this.lastValue;const n=new BigUint64Array(this.resultBuffer.getMappedRange(0,r)),a={},o=[];for(const[t,r]of e){const e=t.match(/^(.*):f(\d+)$/),s=parseInt(e[2]);!1===o.includes(s)&&o.push(s),void 0===a[s]&&(a[s]=0);const i=n[r],u=n[r+1],l=Number(u-i)/1e6;this.timestamps.set(t,l),a[s]+=l}const u=a[o[o.length-1]];return this.resultBuffer.unmap(),this.lastValue=u,this.frames=o,u}catch(e){return o("Error resolving queries:",e),"mapped"===this.resultBuffer.mapState&&this.resultBuffer.unmap(),this.lastValue}}async dispose(){if(!this.isDisposed){if(this.isDisposed=!0,this.pendingResolve)try{await this.pendingResolve}catch(e){o("Error waiting for pending resolve:",e)}if(this.resultBuffer&&"mapped"===this.resultBuffer.mapState)try{this.resultBuffer.unmap()}catch(e){o("Error unmapping buffer:",e)}this.querySet&&(this.querySet.destroy(),this.querySet=null),this.resolveBuffer&&(this.resolveBuffer.destroy(),this.resolveBuffer=null),this.resultBuffer&&(this.resultBuffer.destroy(),this.resultBuffer=null),this.queryOffsets.clear(),this.pendingResolve=null}}}class xB{constructor(){this.view=null,this.depthLoadOp=void 0,this.depthStoreOp=void 0,this.depthClearValue=void 0,this.depthReadOnly=!1,this.stencilLoadOp=void 0,this.stencilStoreOp=void 0,this.stencilClearValue=0,this.stencilReadOnly=!1}reset(){this.view=null,this.depthLoadOp=void 0,this.depthStoreOp=void 0,this.depthClearValue=void 0,this.depthReadOnly=!1,this.stencilLoadOp=void 0,this.stencilStoreOp=void 0,this.stencilClearValue=0,this.stencilReadOnly=!1}}const TB={r:0,g:0,b:0,a:1},_B=new KC,vB=new ZC,NB=new class{constructor(){this.label="",this.timestampWrites=void 0}reset(){this.label="",this.timestampWrites=void 0}},SB=new gB,EB=new iM,RB=new class{constructor(){this.querySet=null,this.beginningOfPassWriteIndex=void 0,this.endOfPassWriteIndex=void 0}reset(){this.querySet=null,this.beginningOfPassWriteIndex=void 0,this.endOfPassWriteIndex=void 0}},wB=new bM,AB=new bM,CB=new aM,MB=new xM;class BB extends oR{constructor(e={}){super(e),this.isWebGPUBackend=!0,this.parameters.alpha=void 0===e.alpha||e.alpha,this.parameters.requiredLimits=void 0===e.requiredLimits?{}:e.requiredLimits,this.compatibilityMode=null,this.device=null,this.defaultRenderPassdescriptor=null,this.utils=new XC(this),this.attributeUtils=new rB(this),this.bindingUtils=new oB(this),this.capabilities=new uB(this),this.pipelineUtils=new pB(this),this.textureUtils=new LM(this),this.occludedResolveCache=new Map;const t="undefined"==typeof navigator||!1===/Android/.test(navigator.userAgent);this._compatibility={[R.TEXTURE_COMPARE]:t}}async init(e){await super.init(e);const t=this.parameters;let r;if(void 0===t.device){const s={powerPreference:t.powerPreference,featureLevel:"compatibility",xrCompatible:e.xr.enabled},i="undefined"!=typeof navigator?await navigator.gpu.requestAdapter(s):null;if(null===i)throw new Error("THREE.WebGPUBackend: Unable to create WebGPU adapter.");const n=Object.values(GC),a=[];for(const e of n)i.features.has(e)&&a.push(e);const o={requiredFeatures:a,requiredLimits:t.requiredLimits};r=await i.requestDevice(o)}else r=t.device;this.compatibilityMode=!r.features.has("core-features-and-limits"),this.compatibilityMode&&(e._samples=0),r.lost.then(t=>{if("destroyed"===t.reason)return;const r={api:"WebGPU",message:t.message||"Unknown reason",reason:t.reason||null,originalEvent:t};e.onDeviceLost(r)}),r.onuncapturederror=t=>{const r=t.error,s=r&&r.constructor?r.constructor.name:"GPUError",i=r&&r.message||"Unknown uncaptured GPU error";e.onError({api:"WebGPU",type:s,message:i,originalEvent:t})},this.device=r,this.trackTimestamp=this.trackTimestamp&&this.hasFeature(GC.TimestampQuery),this.updateSize()}setXRRenderTargetTextures(e,t,r=null){this.set(e.texture,{texture:t,format:t.format,externalTexture:!0,xrViewDescriptors:r,initialized:!0})}get context(){const e=this.renderer.getCanvasTarget(),t=this.get(e);let r=t.context;if(void 0===r){const s=this.parameters;r=!0===e.isDefaultCanvasTarget&&void 0!==s.context?s.context:e.domElement.getContext("webgpu"),"setAttribute"in e.domElement&&e.domElement.setAttribute("data-engine",`three.js r${_t} webgpu`);const i=s.alpha?"premultiplied":"opaque",n=s.outputType===Te?"extended":"standard";r.configure({device:this.device,format:this.utils.getPreferredCanvasFormat(),usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.COPY_SRC,alphaMode:i,toneMapping:{mode:n}}),t.context=r}return r}get coordinateSystem(){return h}get hasTimestamp(){return!0}async getArrayBufferAsync(e,t=null,r=0,s=-1){return await this.attributeUtils.getArrayBufferAsync(e,t,r,s)}getContext(){return this.context}_getDefaultRenderPassDescriptor(){const e=this.renderer,t=e.getCanvasTarget(),r=this.get(t),s=e.currentSamples;let i=r.descriptor;if(void 0===i||r.samples!==s){if(i=new tM,i.colorAttachments.push(new eM),!0===e.depth||!0===e.stencil){const t=new xB;t.view=this.textureUtils.getDepthBuffer(e.depth,e.stencil).createView(),i.depthStencilAttachment=t}const t=i.colorAttachments[0];s>0?t.view=this.textureUtils.getColorBuffer().createView():t.resolveTarget=void 0,r.descriptor=i,r.samples=s}const n=i.colorAttachments[0];return s>0?n.resolveTarget=this.context.getCurrentTexture().createView():n.view=this.context.getCurrentTexture().createView(),i}_isRenderCameraDepthArray(e){const t=e.camera;return e.depthTexture&&!0===e.depthTexture.isArrayTexture&&null!==t&&!0===t.isArrayCamera}_hasExternalTexture(e){const t=e.textures;if(null===t)return!1;for(let e=0;e1)if(!0===l){const t=e.camera.cameras;for(let e=0;e0&&(t.currentOcclusionQuerySet&&t.currentOcclusionQuerySet.destroy(),t.currentOcclusionQueryBuffer&&t.currentOcclusionQueryBuffer.destroy(),t.currentOcclusionQuerySet=t.occlusionQuerySet,t.currentOcclusionQueryBuffer=t.occlusionQueryBuffer,t.currentOcclusionQueryObjects=t.occlusionQueryObjects,SB.label=`occlusionQuerySet_${e.id}`,SB.type="occlusion",SB.count=s,i=r.createQuerySet(SB),SB.reset(),t.occlusionQuerySet=i,t.occlusionQueryIndex=0,t.occlusionQueryObjects=new Array(s),t.lastOcclusionObject=null),n=null===e.textures?this._getDefaultRenderPassDescriptor():this._getRenderPassDescriptor(e,{loadOp:zR}),this.initTimestampQuery(Pt.RENDER,this.getTimestampUID(e),n),n.occlusionQuerySet=i;const a=n.depthStencilAttachment;if(null!==e.textures){const t=n.colorAttachments;for(let r=0;r0&&t.currentPass.executeBundles(t.renderBundles),r>t.occlusionQueryIndex&&t.currentPass.endOcclusionQuery();const s=t.encoder;if(!0===this._isRenderCameraDepthArray(e)){const r=[];for(let e=0;e0){const s=8*r;let i=this.occludedResolveCache.get(s);void 0===i&&(_B.size=s,_B.usage=GPUBufferUsage.QUERY_RESOLVE|GPUBufferUsage.COPY_SRC,i=this.device.createBuffer(_B),_B.reset(),this.occludedResolveCache.set(s,i)),_B.size=s,_B.usage=GPUBufferUsage.COPY_DST|GPUBufferUsage.MAP_READ;const n=this.device.createBuffer(_B);_B.reset(),t.encoder.resolveQuerySet(t.occlusionQuerySet,0,r,i,0),t.encoder.copyBufferToBuffer(i,0,n,0,s),t.occlusionQueryBuffer=n,this.resolveOccludedAsync(e)}if(YC(this.device,t.encoder.finish()),null!==e.textures){const t=e.textures;for(let e=0;eo&&(i[0]=Math.min(a,o),i[1]=Math.ceil(a/o)),n.dispatchSize=i}i=n.dispatchSize}o.dispatchWorkgroups(i[0],i[1]||1,i[2]||1)}finishCompute(e){const t=this.get(e);t.passEncoderGPU.end(),YC(this.device,t.cmdEncoderGPU.finish())}_draw(e,t,r,s,i,n,a,o,u){const{object:l,material:d,context:c}=e,h=e.getIndex(),p=null!==h;u.pipeline!==s&&(o.setPipeline(s),u.pipeline=s);const g=u.bindingGroups;for(let e=0,t=i.length;e65535?4:2);for(let n=0;n0){const i=this.get(e.camera),a=e.camera.cameras,c=e.getBindingGroup("cameraIndex");if(void 0===i.indexesGPU||i.indexesGPU.length!==a.length){const e=this.get(c),t=[],r=new Uint32Array([0,0,0,0]);for(let s=0,i=a.length;s(d("WebGPURenderer: WebGPU is not available, running under WebGL2 backend."),new wR(e)));super(new t(e),e),this.library=new PB,this.isWebGPURenderer=!0}}class DB extends As{constructor(){super(),this.isBundleGroup=!0,this.type="BundleGroup",this.static=!0,this.version=0}set needsUpdate(e){!0===e&&this.version++}}class OB{constructor(e,t=Fn(0,0,1,1)){this.renderer=e,this.outputNode=t,this.outputColorTransform=!0,this.needsUpdate=!0;const r=new Dg;r.name="RenderPipeline",this._quadMesh=new zx(r),this._quadMesh.name="Render Pipeline",this._context=null,this._toneMapping=e.toneMapping,this._outputColorSpace=e.outputColorSpace}render(){const e=this.renderer;this._update(),null!==this._context.onBeforeRenderPipeline&&this._context.onBeforeRenderPipeline();const t=e.toneMapping,r=e.outputColorSpace;e.toneMapping=m,e.outputColorSpace=p.workingColorSpace;const s=e.xr.enabled;e.xr.enabled=!1,this._quadMesh.render(e),e.xr.enabled=s,e.toneMapping=t,e.outputColorSpace=r,null!==this._context.onAfterRenderPipeline&&this._context.onAfterRenderPipeline()}get context(){return this._context}dispose(){this._quadMesh.material.dispose()}_update(){if(this._toneMapping!==this.renderer.toneMapping&&(this._toneMapping=this.renderer.toneMapping,this.needsUpdate=!0),this._outputColorSpace!==this.renderer.outputColorSpace&&(this._outputColorSpace=this.renderer.outputColorSpace,this.needsUpdate=!0),!0===this.needsUpdate){const e=this._toneMapping,t=this._outputColorSpace,r={renderPipeline:this,onBeforeRenderPipeline:null,onAfterRenderPipeline:null};let s=this.outputNode;!0===this.outputColorTransform?(s=s.context(r),s=Vl(s,e,t)):(r.toneMapping=e,r.outputColorSpace=t,s=s.context(r)),this._context=r,this._quadMesh.material.fragmentNode=s,this._quadMesh.material.needsUpdate=!0,this.needsUpdate=!1}}async renderAsync(){v('RenderPipeline: "renderAsync()" has been deprecated. Use "render()" and "await renderer.init();" when creating the renderer.'),await this.renderer.init(),this.render()}}class IB extends OB{constructor(e,t){v('PostProcessing: "PostProcessing" has been renamed to "RenderPipeline". Please update your code to use "THREE.RenderPipeline" instead.'),super(e,t)}}class VB extends u{constructor(e){super(),this.name="",this.buffer=null,this.maxByteLength=e,this.isReadbackBuffer=!0,this._mapped=!1}release(){this.dispatchEvent({type:"release"})}dispose(){this.dispatchEvent({type:"dispose"})}}class kB extends N{constructor(e=1,t=1){super(),this.image={width:e,height:t},this.magFilter=le,this.minFilter=le,this.isStorageTexture=!0,this.mipmapsAutoUpdate=!0}setSize(e,t){this.image.width===e&&this.image.height===t||(this.image.width=e,this.image.height=t,this.dispose())}}class GB extends Jx{constructor(e,t){super(e,t,Uint32Array),this.isIndirectStorageBufferAttribute=!0}}class zB extends Cs{constructor(e){super(e),this.textures={},this.nodes={}}load(e,t,r,s){const i=new Ms(this.manager);i.setPath(this.path),i.setRequestHeader(this.requestHeader),i.setWithCredentials(this.withCredentials),i.load(e,r=>{try{t(this.parse(JSON.parse(r)))}catch(t){s?s(t):o(t),this.manager.itemError(e)}},r,s)}parseNodes(e){const t={};if(void 0!==e){for(const r of e){const{uuid:e,type:s}=r;t[e]=this.createNodeFromType(s),t[e].uuid=e}const r={nodes:t,textures:this.textures};for(const s of e){s.meta=r;t[s.uuid].deserialize(s),delete s.meta}}return t}parse(e){const t=this.createNodeFromType(e.type);t.uuid=e.uuid;const r={nodes:this.parseNodes(e.nodes),textures:this.textures};return e.meta=r,t.deserialize(e),delete e.meta,t}setTextures(e){return this.textures=e,this}setNodes(e){return this.nodes=e,this}createNodeFromType(e){return void 0===this.nodes[e]?(o("NodeLoader: Node type not found:",e),Tn()):new this.nodes[e]}}class $B extends Bs{constructor(e){super(e),this.nodes={},this.nodeMaterials={}}parse(e){const t=super.parse(e),r=this.nodes,s=e.inputNodes;for(const e in s){const i=s[e];t[e]=r[i]}return t}setNodes(e){return this.nodes=e,this}setNodeMaterials(e){return this.nodeMaterials=e,this}createMaterialFromType(e){const t=this.nodeMaterials[e];return void 0!==t?new t:super.createMaterialFromType(e)}}class WB extends Fs{constructor(e){super(e),this.nodes={},this.nodeMaterials={},this._nodesJSON=null}setNodes(e){return this.nodes=e,this}setNodeMaterials(e){return this.nodeMaterials=e,this}parse(e,t){this._nodesJSON=e.nodes;const r=super.parse(e,t);return this._nodesJSON=null,r}async parseAsync(e){this._nodesJSON=e.nodes;const t=await super.parseAsync(e);return this._nodesJSON=null,t}parseNodes(e,t){if(void 0!==e){const r=new zB;return r.setNodes(this.nodes),r.setTextures(t),r.parseNodes(e)}return{}}parseMaterials(e,t){const r={};if(void 0!==e){const s=this.parseNodes(this._nodesJSON,t),i=new $B;i.setTextures(t),i.setNodes(s),i.setNodeMaterials(this.nodeMaterials);for(let t=0,s=e.length;t} */ this.distanceExponent = uniform( 1 ); /** - * The distance fall off value of the ambient occlusion. - * A lower value leads to a larger AO effect. The value - * should lie in the range `[0,1]`. + * @deprecated Replaced by the sphere falloff `mix( max( h, sH ), h, (dist/radius)² )`, + * which has no tunable parameter. Kept for backward compatibility and will be + * removed in a future release. * * @type {UniformNode} */ @@ -216,6 +218,15 @@ class GTAONode extends TempNode { */ this._temporalDirection = uniform( 0 ); + /** + * Temporal offset added to the initial ray step. + * + * @private + * @type {UniformNode} + */ + this._temporalOffset = uniform( 0 ); + + /** * The material that is used to render the effect. * @@ -280,10 +291,12 @@ class GTAONode extends TempNode { const frameId = frame.frameId; this._temporalDirection.value = _temporalRotations[ frameId % 6 ] / 360; + this._temporalOffset.value = _spatialOffsets[ frameId % 4 ]; } else { this._temporalDirection.value = 0; + this._temporalOffset.value = 1; } @@ -367,14 +380,18 @@ class GTAONode extends TempNode { // Each iteration analyzes one vertical "slice" of the 3D space around the fragment. + // Per-step phase jitter for spatio-temporal decorrelation. + const noiseJitterIdx = this._temporalDirection.mul( 0.02 ); + const stepJitter = fract( interleavedGradientNoise( screenCoordinate.add( this._temporalOffset ) ) ).add( rand( uvNode.add( noiseJitterIdx ).mul( 2 ).sub( 1 ) ) ); + Loop( { start: int( 0 ), end: DIRECTIONS, type: 'int', condition: '<' }, ( { i } ) => { const angle = float( i ).div( float( DIRECTIONS ) ).mul( PI ).add( this._temporalDirection ).toVar(); - const sampleDir = vec4( cos( angle ), sin( angle ), 0., add( 0.5, mul( 0.5, noiseTexel.w ) ) ); - sampleDir.xyz = normalize( kernelMatrix.mul( sampleDir.xyz ) ); + const sampleDir = vec3( cos( angle ), sin( angle ), 0 ).toVar(); + sampleDir.assign( normalize( kernelMatrix.mul( sampleDir ) ) ); const viewDir = normalize( viewPosition.xyz.negate() ).toVar(); - const sliceBitangent = normalize( cross( sampleDir.xyz, viewDir ) ).toVar(); + const sliceBitangent = normalize( cross( sampleDir, viewDir ) ).toVar(); const sliceTangent = cross( sliceBitangent, viewDir ).toVar(); // Project the view normal onto the slice plane (remove component along sliceBitangent). @@ -397,7 +414,11 @@ class GTAONode extends TempNode { Loop( { end: STEPS, type: 'int', name: 'j', condition: '<' }, ( { j } ) => { - const sampleViewOffset = sampleDir.xyz.mul( radiusToUse ).mul( sampleDir.w ).mul( pow( div( float( j ).add( 1.0 ), float( STEPS ) ), this.distanceExponent ) ); + // Quadratic step distribution ( sampleDist = t² ) concentrates samples in the + // near-field. (Blender's Eevee adaptation) + const t = float( j ).add( 1.0 ).add( stepJitter ).div( STEPS ).toVar(); + const sampleDist = t.mul( t ); + const sampleViewOffset = sampleDir.mul( radiusToUse ).mul( sampleDist ); // The loop marches in two opposite directions (x and y) along the slice's line to find the horizon on both sides. @@ -407,11 +428,21 @@ class GTAONode extends TempNode { const sampleDepthX = sampleDepth( sampleScreenPositionX ).toVar(); const sampleSceneViewPositionX = getViewPosition( sampleScreenPositionX, sampleDepthX, this._cameraProjectionMatrixInverse ).toVar(); const viewDeltaX = sampleSceneViewPositionX.sub( viewPosition ).toVar(); + const lenX = viewDeltaX.length().toVar(); + + // Manual normalize guards against zero-length delta. + const sHX = dot( viewDir, viewDeltaX.div( max( lenX, float( 0.0001 ) ) ) ); + + // Sphere falloff: ( dist / radius )² fades the sample's horizon contribution + // back toward the prior horizon as it approaches the radius boundary. + // (squared variant of the paper's near-field attenuation; + // Activision GTAO paper, Section 4.3 "Bounding the sampling area") + const distFacX = clamp( lenX.div( radiusToUse ), 0, 1 ); + const distFacSqX = distFacX.mul( distFacX ); If( abs( viewDeltaX.z ).lessThan( this.thickness ), () => { - const sampleCosHorizon = dot( viewDir, normalize( viewDeltaX ) ); - cosHorizons.x.addAssign( max( 0, mul( sampleCosHorizon.sub( cosHorizons.x ), mix( 1.0, float( 2.0 ).div( float( j ).add( 2 ) ), this.distanceFallOff ) ) ) ); + cosHorizons.x.assign( mix( max( cosHorizons.x, sHX ), cosHorizons.x, distFacSqX ) ); } ); @@ -421,11 +452,16 @@ class GTAONode extends TempNode { const sampleDepthY = sampleDepth( sampleScreenPositionY ).toVar(); const sampleSceneViewPositionY = getViewPosition( sampleScreenPositionY, sampleDepthY, this._cameraProjectionMatrixInverse ).toVar(); const viewDeltaY = sampleSceneViewPositionY.sub( viewPosition ).toVar(); + const lenY = viewDeltaY.length().toVar(); + + const sHY = dot( viewDir, viewDeltaY.div( max( lenY, float( 0.0001 ) ) ) ); + + const distFacY = clamp( lenY.div( radiusToUse ), 0, 1 ); + const distFacSqY = distFacY.mul( distFacY ); If( abs( viewDeltaY.z ).lessThan( this.thickness ), () => { - const sampleCosHorizon = dot( viewDir, normalize( viewDeltaY ) ); - cosHorizons.y.addAssign( max( 0, mul( sampleCosHorizon.sub( cosHorizons.y ), mix( 1.0, float( 2.0 ).div( float( j ).add( 2 ) ), this.distanceFallOff ) ) ) ); + cosHorizons.y.assign( mix( max( cosHorizons.y, sHY ), cosHorizons.y, distFacSqY ) ); } ); diff --git a/examples/jsm/tsl/utils/SoftParticles.js b/examples/jsm/tsl/utils/SoftParticles.js new file mode 100644 index 00000000000000..0776c5c4c97c76 --- /dev/null +++ b/examples/jsm/tsl/utils/SoftParticles.js @@ -0,0 +1,60 @@ +import { Fn, float, positionView, viewportDepthTexture, perspectiveDepthToViewZ, cameraNear, cameraFar } from 'three/tsl'; + +/** + * @module SoftParticles + * @three_import import { softParticles } from 'three/addons/tsl/utils/SoftParticles.js'; + */ + +/** + * A symmetric contrast curve, as described in the "Soft Particles" white paper + * (NVIDIA, Tristan Lorach). + * + * @tsl + * @function + * @private + * @param {Node} input - The value to remap, expected in the `[0, 1]` range. + * @param {Node} power - The contrast power. `1` is linear, higher values sharpen the transition. + * @return {Node} The remapped value. + */ +const contrastCurve = /*@__PURE__*/ Fn( ( [ input, power ] ) => { + + const aboveHalf = input.greaterThan( 0.5 ).toConst(); + const folded = aboveHalf.select( input.oneMinus(), input ).toConst(); + const output = folded.mul( 2 ).saturate().pow( power ).mul( 0.5 ).toConst(); + + return aboveHalf.select( output.oneMinus(), output ); + +} ).setLayout( { + name: 'contrastCurve', + type: 'float', + inputs: [ + { name: 'input', type: 'float' }, + { name: 'power', type: 'float' } + ] +} ); + +/** + * Computes an opacity node for soft particles, based on the "Soft Particles" white + * paper (NVIDIA, Tristan Lorach). + * + * @tsl + * @function + * @param {Object} [parameters={}] - The configuration parameters. + * @param {Node} [parameters.opacity=float(1)] - The sprite's base opacity, which the soft fade is multiplied with. + * @param {Node|number} [parameters.distance=1] - The world-space distance over which the sprite fades out against the scene. + * @param {Node|number} [parameters.contrast=2] - The contrast power of the fade curve. `1` is linear, higher values sharpen the transition. + * @param {Node} [parameters.viewportDepth=viewportDepthTexture()] - The opaque scene depth the particles fade against. + * @return {Node} The opacity node to assign to `material.opacityNode`. + */ +export function softParticles( { opacity = float( 1 ), distance = 1, contrast = 2, viewportDepth = viewportDepthTexture() } = {} ) { + + // Read the opaque scene depth captured before the particle pass and convert both + // the scene depth and the particle's depth to view space, so the gap between them + // can be measured in world units. + const sceneViewZ = perspectiveDepthToViewZ( viewportDepth, cameraNear, cameraFar ).toConst(); + const depthDelta = positionView.z.sub( sceneViewZ ).div( distance ).saturate(); + + // Fade out as the particle approaches the scene; stay opaque when well in front of it. + return opacity.mul( contrastCurve( depthDelta, contrast ) ); + +} diff --git a/examples/screenshots/webgpu_particles_soft.jpg b/examples/screenshots/webgpu_particles_soft.jpg new file mode 100644 index 00000000000000..cf007fec935cf9 Binary files /dev/null and b/examples/screenshots/webgpu_particles_soft.jpg differ diff --git a/examples/screenshots/webgpu_postprocessing_ao.jpg b/examples/screenshots/webgpu_postprocessing_ao.jpg index d80b1467b5a75f..7e9c3c474a107f 100644 Binary files a/examples/screenshots/webgpu_postprocessing_ao.jpg and b/examples/screenshots/webgpu_postprocessing_ao.jpg differ diff --git a/examples/webgpu_particles_soft.html b/examples/webgpu_particles_soft.html new file mode 100644 index 00000000000000..3dded09b4b64c3 --- /dev/null +++ b/examples/webgpu_particles_soft.html @@ -0,0 +1,197 @@ + + + three.js webgpu - particles - soft + + + + + + + + + + +
+ + +
+ three.jsWebGPU Soft Particles +
+ + Soft particles fade smoke sprites out where they intersect solid geometry. +
+ + + + + + diff --git a/examples/webgpu_postprocessing_ao.html b/examples/webgpu_postprocessing_ao.html index 990250e39ddacf..e617158fc8da04 100644 --- a/examples/webgpu_postprocessing_ao.html +++ b/examples/webgpu_postprocessing_ao.html @@ -57,10 +57,8 @@ const params = { samples: 16, - distanceExponent: 1, - distanceFallOff: 1, - radius: 0.25, - scale: 0.5, + radius: 0.5, + scale: 0.8, thickness: 1, aoOnly: false, transparentOpacity: 0.3 @@ -499,8 +497,6 @@ const gui = renderer.inspector.createParameters( 'Settings' ); gui.add( params, 'samples', 4, 32, 1 ).onChange( updateParameters ); - gui.add( params, 'distanceExponent', 1, 2 ).onChange( updateParameters ); - gui.add( params, 'distanceFallOff', 0.01, 1 ).onChange( updateParameters ); gui.add( params, 'radius', 0.1, 1 ).onChange( updateParameters ); gui.add( params, 'scale', 0.01, 1 ).onChange( updateParameters ); gui.add( params, 'thickness', 0.01, 2 ).onChange( updateParameters ); @@ -531,8 +527,6 @@ function updateParameters() { aoPass.samples.value = params.samples; - aoPass.distanceExponent.value = params.distanceExponent; - aoPass.distanceFallOff.value = params.distanceFallOff; aoPass.radius.value = params.radius; aoPass.scale.value = params.scale; aoPass.thickness.value = params.thickness; diff --git a/package.json b/package.json index 4f5c8fc638e556..994153d9143920 100644 --- a/package.json +++ b/package.json @@ -47,7 +47,6 @@ "build": "rollup -c utils/build/rollup.config.js", "build-docs": "jsdoc -c utils/docs/jsdoc.config.json && npm run build-llms", "build-llms": "node utils/llms/build.js", - "build-module": "rollup -c utils/build/rollup.config.js --configOnlyModule", "dev": "node utils/build/dev.js && node utils/server.js -p 8080", "preview": "node utils/build/preview.js", "lint-core": "eslint src", @@ -108,16 +107,5 @@ "puppeteer": "^25.0.0", "rollup": "^4.6.0", "turndown": "^7.2.2" - }, - "jspm": { - "files": [ - "package.json", - "LICENSE", - "README.md", - "build/three.js", - "build/three.min.js", - "build/three.module.js" - ], - "directories": {} } } diff --git a/utils/build/rollup.config.js b/utils/build/rollup.config.js index dfa15dcd2bf172..3d4c90598c1cf7 100644 --- a/utils/build/rollup.config.js +++ b/utils/build/rollup.config.js @@ -1,4 +1,3 @@ -import terser from '@rollup/plugin-terser'; import MagicString from 'magic-string'; function glsl() { @@ -120,67 +119,7 @@ const builds = [ } ], external: [ 'three/webgpu' ] - }, - { - input: { - 'three.core.min.js': 'src/Three.Core.js', - 'three.webgpu.nodes.min.js': 'src/Three.WebGPU.Nodes.js', - }, - plugins: [ - glsl(), - header(), - terser() - ], - preserveEntrySignatures: 'allow-extension', - output: [ - { - format: 'esm', - dir: 'build', - minifyInternalExports: false, - entryFileNames: '[name]', - } - ] - }, - { - input: { - 'three.core.min.js': 'src/Three.Core.js', - 'three.module.min.js': 'src/Three.js', - 'three.webgpu.min.js': 'src/Three.WebGPU.js', - }, - plugins: [ - glsl(), - header(), - terser() - ], - preserveEntrySignatures: 'allow-extension', - output: [ - { - format: 'esm', - dir: 'build', - minifyInternalExports: false, - entryFileNames: '[name]', - } - ] - }, - { - input: { - 'three.tsl.min.js': 'src/Three.TSL.js' - }, - plugins: [ - header(), - terser() - ], - preserveEntrySignatures: 'allow-extension', - output: [ - { - format: 'esm', - dir: 'build', - minifyInternalExports: false, - entryFileNames: '[name]', - } - ], - external: [ 'three/webgpu' ] } ]; -export default ( args ) => args.configOnlyModule ? builds.slice( 0, 3 ) : builds; +export default builds;