AI_Assistant/grid-apps-cmms
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add 3mf instancing support

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This commit is contained in:
Stewart Allen 2022-01-29 11:35:26 -05:00
commit 3fe48b4fd9
1 changed files with 15 additions and 5 deletions
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20
src/load/3mf.js
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@ -7,6 +7,7 @@
let load = self.load = self.load || {};
if (load.TMF) return;
// dep: add.three
// dep: ext.jszip
gapp.register('load.3mf');
@ -14,6 +15,8 @@ load.TMF = {
parseAsync
};
let { BufferAttribute, Matrix4 } = THREE;
function query(node, path, fn) {
let collect = false;
let match = path[0];
@ -41,7 +44,6 @@ function loadModel(doc) {
let id;
let model;
let faces;
let refs;
let units;
let scale = 1;
let scaleMap = {
@ -75,14 +77,22 @@ function loadModel(doc) {
// emit previous model
emitModel();
faces = [];
refs = [];
id = node.getAttribute("id") || undefined;
model = node.getAttribute("name") || undefined;
query(node, ["components","+component"], (type, node) => {
let objectid = node.getAttribute('objectid');
let trans = node.getAttribute('transform');
refs.push({ objectid, trans });
// console.log({objectid, trans });
let mat = node.getAttribute('transform').split(' ').map(v => parseFloat(v));
mat = [
...mat.slice(0,3), 0,
...mat.slice(3,6), 0,
...mat.slice(6,9), 0,
...mat.slice(9,12), 1
];
let ref = byid[objectid];
if (!ref) return;
let m4 = new Matrix4().fromArray(mat);
let pos = new BufferAttribute(ref.faces.toFloat32(), 3).applyMatrix4(m4);
faces.appendAll(pos.array);
});
break;
case "mesh":