Not cleaned but now it may work on AMD

Author: Daxode

Blobtory/Scripts/Main.py

@@ -1,5 +1,5 @@
 from direct.interval.LerpInterval import LerpPosInterval
-from panda3d.core import loadPrcFile, loadPrcFileData, LPoint3f
+from panda3d.core import loadPrcFile, loadPrcFileData, LPoint3f, PointLight, Spotlight, PerspectiveLens
 from direct.showbase.ShowBase import ShowBase, PTAFloat, AmbientLight, DirectionalLight, Shader, Texture, TextureStage, \
     SamplerState, FrameBufferProperties, WindowProperties, GraphicsPipe, GraphicsOutput, NodePath
 
@@ -31,7 +31,7 @@ def __init__(self):
         myShader: Shader = Shader.load(Shader.SL_GLSL,
                                        vertex="assets/shaders/defaults/default.vert",
                                        fragment="assets/shaders/defaults/default.frag")
-        sphere.setShader(myShader, 1)
+        #sphere.setShader(myShader, 1)
         sphere.setScale(100)
         sphere.setPos((0,50,600))
 
@@ -68,19 +68,25 @@ def __init__(self):
         alnp = self.render.attachNewNode(alight)
         self.render.setLight(alnp)
 
-        dlight1 = DirectionalLight('my dlight1')
-        dlight1.setShadowCaster(True, 512, 512)
-        #dlight1.show_frustum()
-        dlnp1 = self.render.attachNewNode(dlight1)
-        dlnp1.setPos(0,0,512)
-        dlnp1.setHpr(0, 270, 0)
-        self.render.setLight(dlnp1)
-
-        bmin, bmax = self.render.get_tight_bounds(dlnp1)
-        size=128
+        sun = DirectionalLight('TheSun')
+        sun.setShadowCaster(True, 1024, 1024)
+        #lens = PerspectiveLens()
+        #lens.setFov(40)
+        #sun.setLens(lens)
+        #sun.attenuation = (0.0000000000000000001, 0., 0.)
+
+        sun.show_frustum()
+        sun.set_color((1, 1, 1, 1))
+        sunNodePath = self.render.attachNewNode(sun)
+        sunNodePath.setPos(0, 200, 600)
+        sunNodePath.lookAt(0,0,0)
+        self.render.setLight(sunNodePath)
+
+        bmin, bmax = self.render.get_tight_bounds(sunNodePath)
+        size=512
         bmin, bmax = LPoint3f(-size,0, -size), LPoint3f(size, size,size)
         print(bmin,bmax)
-        lens = dlight1.get_lens(0)
+        lens = sun.get_lens(0)
         lens.set_film_offset((bmin.xz + bmax.xz) * 0.5)
         lens.set_film_size(bmax.xz - bmin.xz)
         lens.set_near_far(bmin.y, bmax.y)
@@ -90,12 +96,12 @@ def __init__(self):
                             (0,-100,600),(0,100,600))
         i.loop()
 
-        dlight2 = DirectionalLight('my dlight2')
-        dlight2.setColor((0.05, 0.05, 0.05, 1))
-        dlight2.setShadowCaster(True, 512, 512)
-        dlnp2 = self.render.attachNewNode(dlight2)
-        dlnp2.setHpr(0, 180, 0)
-        self.render.setLight(dlnp2)
+        # dlight2 = DirectionalLight('my dlight2')
+        # dlight2.setColor((0.05, 0.05, 0.05, 1))
+        # dlight2.setShadowCaster(True, 512, 512)
+        # dlnp2 = self.render.attachNewNode(dlight2)
+        # dlnp2.setHpr(0, 180, 0)
+        # self.render.setLight(dlnp2)
 
 
 loadPrcFileData('', 'framebuffer-multisample 1')

assets/shaders/planets/planet.frag

@@ -80,7 +80,7 @@ void main() {
   //diffuseColor = p3d_Material.diffuse.xyz;
   //specStrength = p3d_Material.specular.x;
 
-  for (int i = 0; i < p3d_LightSource.length; i++) {
+  for (int i = 0; i < p3d_LightSource.length(); i++) {
     vec3 lightDir = p3d_LightSource[i].position.xyz;
     if (p3d_LightSource[i].position.w != 0) lightDir -= viewspacePos;
 
@@ -102,10 +102,10 @@ void main() {
       specular = pow(specAngle, p3d_Material.shininess);
       specular = texture(p3d_Texture1, vec2(specular, 0.5)).x;
     }
-    vec3 illumDiffuse = diffuseColor *                 lambertian * p3d_LightSource[i].color.xyz * 1 / distance;
-    vec3 illumSpecular = diffuseColor * specStrength * specular   * p3d_LightSource[i].color.xyz * 1 / distance;
-    //illumLightSum += (illumDiffuse+illumSpecular)*textureProjSoft(p3d_LightSource[i].shadowMap, shadow_uv[i], 0.0001, 0.2);
-    illumLightSum += (illumDiffuse+illumSpecular)*textureProj(p3d_LightSource[i].shadowMap, shadow_uv[i]);
+    vec3 illumDiffuse = diffuseColor *                 lambertian * p3d_LightSource[i].color.xyz / (distance);
+    vec3 illumSpecular = diffuseColor * specStrength * specular   * p3d_LightSource[i].color.xyz / (distance);
+    illumLightSum += (illumDiffuse+illumSpecular)*textureProjSoft(p3d_LightSource[i].shadowMap, shadow_uv[i], 0.0001, 0.01);
+    //illumLightSum += (illumDiffuse+illumSpecular)*textureProj(p3d_LightSource[i].shadowMap, shadow_uv[i]);
   }
 
   vec3 colorGammaCorrected = pow(p3d_LightModel.ambient.xyz*diffuseColor+illumLightSum, vec3(0.49504950495));

assets/shaders/planets/planet.vert

@@ -59,7 +59,7 @@ void main() {
   cam_pos = p3d_ViewMatrixInverse[3].xyz;
   cam_dir = -p3d_ViewMatrixInverse[2].xyz;
 
-  for (int i = 0; i < p3d_LightSource.length; i++) {
+  for (int i = 0; i < p3d_LightSource.length(); i++) {
     shadow_uv[i] = p3d_LightSource[i].shadowViewMatrix * (p3d_ModelViewMatrix * vertex);
   }
 }