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Refactor mapping modes and improve UV mapping logic; update viewer axes and camera settings

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CNCKitchen
2026-03-17 09:05:56 +01:00
parent 59b689c9ef
commit 66ee4a2d7d
7 changed files with 179 additions and 116 deletions
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js/mapping.js
+6 -6
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@@ -51,12 +51,12 @@ export function computeUV(pos, normal, mode, settings, bounds) {
}
case MODE_CYLINDRICAL: {
// Wrap around Y axis (vertical axis after Z-up → Y-up rotation)
// Z is up: wrap around Z axis, height along Z
const rx = pos.x - center.x;
const rz = pos.z - center.z;
const theta = Math.atan2(rz, rx); // [-PI, PI]
const ry = pos.y - center.y;
const theta = Math.atan2(ry, rx); // [-PI, PI]
u = (theta / TWO_PI) + 0.5; // [0, 1]
v = (pos.y - min.y) / Math.max(size.y, 1e-6);
v = (pos.z - min.z) / Math.max(size.z, 1e-6);
break;
}
@@ -65,8 +65,8 @@ export function computeUV(pos, normal, mode, settings, bounds) {
const ry = pos.y - center.y;
const rz = pos.z - center.z;
const r = Math.sqrt(rx*rx + ry*ry + rz*rz);
const phi = Math.acos(Math.max(-1, Math.min(1, ry / Math.max(r, 1e-6)))); // [0, PI], Y is up
const theta = Math.atan2(rz, rx); // [-PI, PI]
const phi = Math.acos(Math.max(-1, Math.min(1, rz / Math.max(r, 1e-6)))); // [0, PI], Z is up
const theta = Math.atan2(ry, rx); // [-PI, PI]
u = (theta / TWO_PI) + 0.5;
v = phi / Math.PI;
break;