AI_Assistant/grid-apps-cmms
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add precision/factor for CSG ops to eliminate sharps. add difference op to CSG

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This commit is contained in:
Stewart Allen 2024-07-20 09:59:22 -04:00
commit 41479e200b
5 changed files with 66 additions and 18 deletions
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29
src/mesh/work.js
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@ -24,7 +24,7 @@ const { Matrix4, Vector3, BufferGeometry, BufferAttribute, computeFaceNormal } =
const { base, mesh, moto } = root;
const { client, worker } = moto;
const { util } = mesh;
const { newPolygon } = base;
const { CSG, newPolygon } = base;
const cache = {};
// add scoped access to cache
@ -146,29 +146,36 @@ let model = {
union(recs) {
let arrays = recs.map(rec => translate_encode(rec.id, rec.matrix));
let solids = arrays.map(a => base.CSG.fromPositionArray(a));
let union = base.CSG.union(...solids);
return base.CSG.toPositionArray(union);
let solids = arrays.map(a => CSG.fromPositionArray(a));
let union = CSG.union(...solids);
return CSG.toPositionArray(union);
},
difference(recs) {
let arrays = recs.map(rec => translate_encode(rec.id, rec.matrix));
let solids = arrays.map(a => CSG.fromPositionArray(a));
let diff = CSG.difference(...solids);
return CSG.toPositionArray(diff);
},
intersect(recs) {
let arrays = recs.map(rec => translate_encode(rec.id, rec.matrix));
let solids = arrays.map(a => base.CSG.fromPositionArray(a));
let union = base.CSG.intersect(...solids);
return base.CSG.toPositionArray(union);
let solids = arrays.map(a => CSG.fromPositionArray(a));
let union = CSG.intersect(...solids);
return CSG.toPositionArray(union);
},
subtract(recs) {
let bases = recs.filter(rec => !rec.tool)
.map(rec => translate_encode(rec.id, rec.matrix))
.map(a => base.CSG.fromPositionArray(a));
.map(a => CSG.fromPositionArray(a));
let tools = recs.filter(rec => rec.tool)
.map(rec => translate_encode(rec.id, rec.matrix))
.map(a => base.CSG.fromPositionArray(a));
.map(a => CSG.fromPositionArray(a));
let subs = [];
for (let obj of bases) {
let sub = base.CSG.subtract(obj, ...tools);
subs.appendAll(base.CSG.toPositionArray(sub));
let sub = CSG.subtract(obj, ...tools);
subs.appendAll(CSG.toPositionArray(sub));
}
return subs.toFloat32();
},