AI_Assistant/grid-apps-cmms
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compact THREE references

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This commit is contained in:
Stewart Allen 2022-01-12 11:46:10 -05:00
commit e258e3d916
6 changed files with 52 additions and 41 deletions
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20
src/mesh/work.js
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@ -17,8 +17,10 @@ gapp.finalize("mesh.work", [
"add.three", // dep: add.three
]);
let { Matrix4, Vector3, BufferGeometry, BufferAttribute, computeFaceNormal } = THREE;
// compensation for space/world/platform rotation
let core_matrix = new THREE.Matrix4().makeRotationX(Math.PI / 2);
let core_matrix = new Matrix4().makeRotationX(Math.PI / 2);
let { client, worker } = moto;
let cache = {};
@ -34,7 +36,7 @@ function cacheUpdate(id, data) {
function translate_encode(id, matrix) {
let rec = cache[id];
let geo = rec.geo.clone();
geo.applyMatrix4(core_matrix.clone().multiply( new THREE.Matrix4().fromArray(matrix) ));
geo.applyMatrix4(core_matrix.clone().multiply( new Matrix4().fromArray(matrix) ));
return geo.attributes.position.array;
}
@ -55,9 +57,9 @@ function analyze(id, opt = {}) {
let model = {
load(data) {
let { vertices, indices, name, id } = data;
let geo = new THREE.BufferGeometry();
geo.setAttribute('position', new THREE.BufferAttribute(vertices, 3));
if (indices) geo.setIndex(new THREE.BufferAttribute(indices, 1));
let geo = new BufferGeometry();
geo.setAttribute('position', new BufferAttribute(vertices, 3));
if (indices) geo.setIndex(new BufferAttribute(indices, 1));
cacheUpdate(id, { name, geo, matrix: core_matrix.clone() });
},
@ -156,10 +158,10 @@ let file = {
for (let rec of recs) {
let { id, matrix, file, varr } = rec;
for (let i=0, l=varr.length; i<l;) {
let p0 = new THREE.Vector3(varr[i++], varr[i++], varr[i++]);
let p1 = new THREE.Vector3(varr[i++], varr[i++], varr[i++]);
let p2 = new THREE.Vector3(varr[i++], varr[i++], varr[i++]);
let norm = THREE.computeFaceNormal(p0, p1, p2);
let p0 = new Vector3(varr[i++], varr[i++], varr[i++]);
let p1 = new Vector3(varr[i++], varr[i++], varr[i++]);
let p2 = new Vector3(varr[i++], varr[i++], varr[i++]);
let norm = computeFaceNormal(p0, p1, p2);
dat.setFloat32(pos + 0, norm.x, true);
dat.setFloat32(pos + 4, norm.y, true);
dat.setFloat32(pos + 8, norm.z, true);