AI_Assistant/grid-apps-cmms
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fix faces to sketch center

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This commit is contained in:
Stewart Allen 2024-08-15 21:34:25 -04:00
commit 8407152aa0
1 changed files with 7 additions and 12 deletions
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19
src/mesh/model.js
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@ -639,19 +639,19 @@ mesh.model = class MeshModel extends mesh.object {
}
selectionToSketch() {
let { polys, center, quaternion } = this.selectionToRotationPolys();
let { polys, quaternion } = this.selectionToRotationPolys();
if (!polys) {
return;
}
quaternion.invert();
// center points, move to Z=0
let bounds = new Box3().setFromArray(polys.map(p => p.points.map(p => p.toArray())).flat().flat());
let pcenter = bounds.getCenter(new Vector3);
polys.forEach(p => p.move({ x: -pcenter.x, y: -pcenter.y, z: -pcenter.z }));
let center = bounds.getCenter(new Vector3);
polys.forEach(p => p.move({ x: -center.x, y: -center.y, z: -center.z }));
let normal = new Vector3(0,0,1).applyQuaternion(quaternion);
let sketch = mesh.api.add.sketch({
normal,
center
center: center.applyQuaternion(quaternion).add(this.position())
});
for (let poly of polys) {
sketch.add.polygon({ poly });
@ -669,16 +669,11 @@ mesh.model = class MeshModel extends mesh.object {
// compute quaternion and rotate triangles to face Z up
let targetNorm = new THREE.Vector3(0, 0, 1);
let rotato = new THREE.Quaternion().setFromUnitVectors(norm, targetNorm);
let center = new Vector3();
points.forEach(p => {
center.add(p);
p.applyQuaternion(rotato)
});
center.divideScalar(points.length).add(this.position());
// union and earcut the result
points.forEach(p => p.applyQuaternion(rotato));
// union / nest result
let polys = tris.map(t => newPolygon().fromVectors([ t.a, t.b, t.c ]));
let union = polygons.union(polys,0,true);
return { polys: union, quaternion: rotato, center };
return { polys: union, quaternion: rotato };
} else {
return {};
}