AI_Assistant/grid-apps-cmms
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add surface normal filtering for upward faces (cnc)

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This commit is contained in:
Stewart Allen 2022-04-04 19:17:13 -04:00
commit 594a1daa07
3 changed files with 16 additions and 8 deletions
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13
src/mesh/tool.js
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@ -158,8 +158,12 @@ mesh.tool = class MeshTool {
return sides.map(side => this.side2face[side].filter(v => v != face)).flat();
}
findConnectedSurface(faces, radians) {
findConnectedSurface(faces, radians, filterZ) {
const found = {};
const norms = this.normals;
if (filterZ) {
faces = faces.filter(f => norms[f][2] >= filterZ);
}
const check = faces.slice();
for (let face of faces) {
found[face] = 1;
@ -168,7 +172,10 @@ mesh.tool = class MeshTool {
// const _v2 = new Vector3();
while (check.length) {
const face = check.shift();
const norm = this.normals[face];
const norm = norms[face];
if (filterZ !== undefined && norm[2] < filterZ) {
continue;
}
const fadj = this.getAdjacentFaces(face).filter(f => !found[f]);
for (let f of fadj) {
// #1 most accurate
@ -182,7 +189,7 @@ mesh.tool = class MeshTool {
// .map((v,i) => Math.pow(norm[i] - v, 2))
// .reduce((a,v) => a + v)));
// #3 fastest, still good
const fn = Math.sqrt(this.normals[f]
const fn = Math.sqrt(norms[f]
.map((v,i) => Math.pow(norm[i] - v, 2))
.reduce((a,v) => a + v));
if (fn <= radians) {