AI_Assistant/grid-apps-cmms
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add z split snapping and work translation caching

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This commit is contained in:
Stewart Allen 2022-01-15 23:17:53 -05:00
commit 72d9469699
3 changed files with 66 additions and 16 deletions
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28
src/mesh/work.js
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@ -36,10 +36,15 @@ function cacheUpdate(id, data) {
// translate original mesh vertices into UI world view (PI/2 rotation on X)
function translate_encode(id, matrix) {
let rec = cache[id];
let geo = rec.geo.clone();
let mat = core_matrix.clone().multiply(new Matrix4().fromArray(matrix));
geo.applyMatrix4(mat);
return geo.attributes.position.array;
let mkey = matrix.map(v => v.round(6)).join('-');
if (!rec || !rec.trans || rec.mkey !== mkey) {
let geo = rec.geo.clone();
let mat = core_matrix.clone().multiply(new Matrix4().fromArray(matrix));
geo.applyMatrix4(mat);
rec.mkey = mkey;
rec.trans = geo.attributes.position.array
}
return rec.trans;
}
function analyze(id, opt = {}) {
@ -62,7 +67,7 @@ let model = {
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() });
cacheUpdate(id, { name, geo, xmatrix: core_matrix.clone(), trans: undefined });
},
// return new vertices in world coordinates
@ -83,6 +88,19 @@ let model = {
return data;
},
// used to generate a list for split snapping
zlist(data) {
let { id, matrix, round } = data;
let zlist = {};
let pos = translate_encode(id, matrix);
for (let i=0, l=pos.length; i<l; ) {
let v1 = new Vector3(pos[i++], pos[i++], pos[i++]);
let z = v1.z.round(round || 2);
zlist[z] = '';
}
return Object.keys(zlist);
},
// split a model along an axis at a given point
// return two arrays of vertices for each resulting object
split(data) {