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patchup for line basic material bug with two materials?

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This commit is contained in:
Stewart Allen 2020-11-13 16:07:43 -05:00
commit 7cbc694c93
1 changed files with 8 additions and 6 deletions
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14
src/kiri/stacks.js
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@ -115,8 +115,8 @@
const mat = []; // materials
const grp = []; // material groups
const geo = new THREE.BufferGeometry();
// map all the poly and line colors
const cmap = {}
// map all the poly and line colors for re-use
// const cmap = {}
let cidx = 0;
let last = undefined;
for (let i=0, il=polys.length; i<il; i++) {
@ -125,12 +125,14 @@
addPoly(vert, poly);
const pc = poly.color !== undefined ? { line: poly.color, opacity: data.color.opacity } : data.color;
const pk = pc.line;
const cc = cmap[pk] = cmap[pk] || { idx: cidx++, mat: createLineMaterial(pc, mat) };
if (last !== pk) {
// const cc = cmap[pk] = cmap[pk] || { idx: cidx++, mat: createLineMaterial(pc, mat) };
const cc = { idx: cidx++, mat: createLineMaterial(pc, mat) };
// does not appear you can re-use material indices out of order
if (true || last !== pk) {
if (grp.length) {
// rewrite counts for last group
const prev = grp[grp.length - 1]
prev[1] = prev[1] - vl;
prev[1] = vl;
}
grp.push([vl, Infinity, cc.idx]);
last = pk;
@ -151,8 +153,8 @@
const g = grp[i];
geo.addGroup(g[0], g[1], g[2]);
}
group.add(new THREE.LineSegments(geo, mat));
geo.setFromPoints(vert);
group.add(new THREE.LineSegments(geo, mat));
ctrl.group.appendAll(mat);
}
if (faces.length) {