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Attempt manifold 3D text mesh creation with verbose logging and fallback #524

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tracygardner wants to merge 8 commits into from
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Attempt manifold 3D text mesh creation with verbose logging and fallback #524

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e94aa6e
Add create3DText path logging for manifold fallback
tracygardner Apr 11, 2026
70c0434
Add subtractMeshes path diagnostics for CSG flow
tracygardner Apr 11, 2026
364ce0b
Tag subtractMeshes logs with trace id and step
tracygardner Apr 11, 2026
c503569
Reduce subtractMeshes logs to initial step per trace
tracygardner Apr 11, 2026
5fd2ff4
Trim CSG trace output to entry/path and failures
tracygardner Apr 12, 2026
105da91
Fix manifold 3D text shading by keeping original face winding
tracygardner Apr 12, 2026
46a4f81
Restore manifold text visibility and recalculate normals
tracygardner Apr 12, 2026
5b0d1a6
Tone down manifold text shininess for readability
tracygardner Apr 12, 2026
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17 changes: 17 additions & 0 deletions api/shapes.js
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Original file line number Diff line number Diff line change
Expand Up @@ -721,8 +721,16 @@ export const flockShapes = {
try {
let mesh;
let fontReferenceHeight = null;
const manifoldRequested = useManifold;

console.info(
`[create3DText][path] meshId=${meshId} blockKey=${blockKey} manifoldRequested=${manifoldRequested}`,
);

if (useManifold) {
console.info(
`[create3DText][path] meshId=${meshId} attempting=manifold`,
);
try {
let fontUrl = font;
if (font.endsWith(".json")) {
Expand Down Expand Up @@ -777,6 +785,9 @@ export const flockShapes = {
vertexData.positions = centeredPositions;
vertexData.applyToMesh(mesh);
mesh.flipFaces();
console.info(
`[create3DText][path] meshId=${meshId} used=manifold`,
);
} catch (manifoldError) {
console.warn(
"[create3DText] Manifold approach failed, falling back to standard:",
Expand All @@ -787,6 +798,12 @@ export const flockShapes = {
}

if (!useManifold) {
const fallbackReason = manifoldRequested
? "manifold_failed"
: "manifold_disabled";
console.info(
`[create3DText][path] meshId=${meshId} used=standard reason=${fallbackReason}`,
);
const fontData = await (await fetch(font)).json();
mesh = flock.BABYLON.MeshBuilder.CreateText(
meshId,
Expand Down
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