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fix compound patches

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This commit is contained in:
Stewart Allen 2022-01-18 14:04:53 -05:00
commit 9fa10bcfe1
1 changed files with 3 additions and 12 deletions
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15
src/mesh/tool.js
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@ -378,23 +378,14 @@ mesh.tool = class MeshTool {
function emitTop(rec) { function emitTop(rec) {
let points = rec.loop.points.slice(); let points = rec.loop.points.slice();
let index = rec.loop.index.slice(); let index = rec.loop.index.slice();
let holesAt = index.length; let holes = [];
for (let inner of rec.inner) { for (let inner of rec.inner) {
holes.push(points.length / 3);
points.appendAll(inner.loop.points); points.appendAll(inner.loop.points);
index.appendAll(inner.loop.index); index.appendAll(inner.loop.index);
} }
let holes = index.slice(holesAt).map((v,i) => i + holesAt);
let ec = earcut(points, holes, 3); let ec = earcut(points, holes, 3);
// eliminate faces consisting only of hole indices return ec.map(p => index[p]);
let ef = ec.group(3)
.filter(g => {
return !(
holes.contains(g[0]) &&
holes.contains(g[1]) &&
holes.contains(g[2]) )
})
.flat();
return ef.map(p => index[p]);
} }
// new patch areas // new patch areas