AI_Assistant/grid-apps-cmms
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post split add healing faces

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This commit is contained in:
Stewart Allen 2024-08-10 16:50:12 -04:00
commit b549aad3fe
4 changed files with 25 additions and 32 deletions
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37
src/mesh/work.js
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@ -21,19 +21,14 @@
gapp.main("mesh.work", [], (root) => {
const { Matrix4, Vector3, BufferGeometry, BufferAttribute, computeFaceNormal } = THREE;
const { Quaternion, } = THREE;
const { base, mesh, moto } = root;
const { client, worker } = moto;
const { util } = mesh;
const { CSG, newPoint, newPolygon, sliceConnect } = base;
const cache = {};
// add scoped access to cache
mesh.work = { cache };
// compensation for space/world/platform rotation
const core_matrix = new Matrix4().makeRotationX(Math.PI / 2);
// start worker pool (disabled for now with *0)
client.start(`/code/mesh_pool?${gapp.version}`, client.max() * 0);
@ -52,7 +47,7 @@ function translate_encode(id) {
let rec = cache[id];
let { pos } = rec;
let mkey = pos.map(v => v.round(6)).join('-');
// re-translate on missing cache or changed matrix
// re-translate on missing cache or changed position
if (!rec || !rec.trans || rec.mkey !== mkey) {
let geo = rec.geo.clone().translate(new Vector3().fromArray(pos));
rec.mkey = mkey;
@ -102,12 +97,7 @@ let model = {
let { vertices, name, id } = data;
let geo = new BufferGeometry();
geo.setAttribute('position', new BufferAttribute(vertices, 3));
cacheUpdate(id, {
name,
geo,
trans: undefined,
tool: undefined
});
cacheUpdate(id, { name, geo, mkey: '' });
},
// merge several model vertices into a single array
@ -247,12 +237,15 @@ let model = {
}
on.length = over.length = under.length = 0;
}
// let mi4 = core_matrix.clone().multiply(new Matrix4().fromArray(matrix)).invert();
// let b1 = new BufferAttribute(o1.toFloat32(), 3);
// let b2 = new BufferAttribute(o2.toFloat32(), 3);
// o1 = b1.applyMatrix4(mi4).array;
// o2 = b2.applyMatrix4(mi4).array;
console.log({ edges, split_face: sliceConnect(edges, z), o1, o2 });
if (edges.length) {
// heal open spaces created by split
let heal = sliceConnect(edges, z).map(poly => poly.earcut()).flat();
let o1p = heal.map(poly => poly.points.map(p => [ p.x, p.y, p.z ]));
let o2p = heal.map(poly => poly.points.reverse().map(p => [ p.x, p.y, p.z ]));
o1.appendAll(o1p.flat().flat());
o2.appendAll(o2p.flat().flat());
// console.log({ edges, heal, o1, o2 });
}
return { o1: o1.toFloat32(), o2: o2.toFloat32() };
},
@ -394,8 +387,8 @@ let file = {
let { format, recs } = data;
let vtot = 0;
for (let rec of recs) {
let { id, matrix, file } = rec;
let vs = rec.varr = Array.from(translate_encode(id, matrix)).map(v => v.round(5));
let { id } = rec;
let vs = rec.varr = Array.from(translate_encode(id)).map(v => v.round(5));
vtot += (vs.length / 3);
}
switch (format) {
@ -403,7 +396,7 @@ let file = {
let p = 1;
let obj = [header];
for (let rec of recs) {
let { id, matrix, file, varr } = rec;
let { file, varr } = rec;
obj.push(`g ${file}`);
for (let i=0; i<varr.length; p += 3) {
obj.push(`v ${varr[i++]} ${varr[i++]} ${varr[i++]}`);
@ -420,7 +413,7 @@ let file = {
header.split('').forEach((c,i) => {
dat.setUint8(i, c.charCodeAt(0));
});
// todo put Kiri:Moto info in header
// todo put Mesh:Tool info in header
dat.setInt32(80, vtot/3, true);
for (let rec of recs) {
let { id, matrix, file, varr } = rec;