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Enhance displacement calculation and UV mapping; add gizmo visualization in viewer

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CNCKitchen
2026-03-16 21:09:12 +01:00
parent 92e7f487ce
commit 59b689c9ef
5 changed files with 114 additions and 15 deletions
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js/previewMaterial.js
+2 -2
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@@ -106,8 +106,8 @@ const fragmentShader = /* glsl */`
// Picks the single planar projection whose axis is most aligned with the face normal.
vec3 absN = abs(MN);
if (absN.x >= absN.y && absN.x >= absN.z) {
// ±X dominant → project onto YZ plane
return sampleMap((pos.yz - boundsMin.yz) / max(boundsSize.yz, vec2(1e-4)));
// ±X dominant → project onto ZY plane (U=Z, V=Y keeps texture upright on side faces)
return sampleMap((pos.zy - boundsMin.zy) / max(boundsSize.zy, vec2(1e-4)));
} else if (absN.y >= absN.x && absN.y >= absN.z) {
// ±Y dominant → project onto XZ plane
return sampleMap((pos.xz - boundsMin.xz) / max(boundsSize.xz, vec2(1e-4)));