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fix normales planes

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This commit is contained in:
Val Erastov 2015-12-08 20:17:37 -08:00
parent 76ec1cd8c8
commit 1237cef4a0
1 changed files with 7 additions and 3 deletions
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10
web/app/engine.js
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@ -537,20 +537,24 @@ TCAD.geom.extrude = function(source, sourceNormal, target, expansionFactor) {
poly.push(face);
}
var bottomNormal, topNormal;
if (negate) {
lid.reverse();
bottomNormal = sourceNormal;
topNormal = sourceNormal.negate();
} else {
source = source.slice(0);
source.reverse();
bottomNormal = sourceNormal.negate();
topNormal = sourceNormal;
}
function vecToVertex(v) {
return new CSG.Vertex(TCAD.utils.csgVec(v));
}
var negateNormal = sourceNormal.negate();
var sourcePlane = new CSG.Plane(negateNormal.csg(), negateNormal.dot(source[0]));
var lidPlane = new CSG.Plane(sourceNormal.csg(), sourceNormal.dot(lid[0]));
var sourcePlane = new CSG.Plane(bottomNormal.csg(), bottomNormal.dot(source[0]));
var lidPlane = new CSG.Plane(topNormal.csg(), topNormal.dot(lid[0]));
poly[0] = new CSG.Polygon(source.map(vecToVertex), TCAD.utils.createShared(), sourcePlane);
poly[1] = new CSG.Polygon(lid.map(vecToVertex), TCAD.utils.createShared(), lidPlane);