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fix zero triangles error

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Val Erastov 2015-08-25 22:28:44 -07:00
parent b474fc6267
commit f97cd2b08c
1 changed files with 3 additions and 0 deletions
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web/app/workbench.js
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@ -636,6 +636,9 @@ TCAD.craft._makeFromPolygons = function(polygons) {
var a = refs[i][0] + off;
var b = refs[i][1] + off;
var c = refs[i][2] + off;
if (points[b].minus(points[a]).cross(points[c].minus(points[a])).length() === 0) {
continue;
}
var csgPoly = new CSG.Polygon([
new CSG.Vertex(csgVec(points[a]), csgVec(poly.normal)),
new CSG.Vertex(csgVec(points[b]), csgVec(poly.normal)),