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make basis stable

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This commit is contained in:
Val Erastov 2015-09-11 17:21:31 -07:00
parent b51bb23e83
commit 11d9d718ed
1 changed files with 22 additions and 5 deletions
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27
web/app/engine.js
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@ -565,12 +565,29 @@ if (typeof THREE !== "undefined") {
color: 0x2B3856, linewidth: 3});
}
TCAD.SketchFace.prototype.basis = function() {
TCAD.SketchFace.prototype.calcBasis = function() {
var vec = TCAD.utils.vec;
return TCAD.geom.someBasis(this.csgGroup.polygons[0].vertices.map(function (v) {
return vec(v.pos)
}), vec(this.csgGroup.plane.normal));
}
var normal = vec(this.csgGroup.plane.normal);
var alignPlane, x, y;
if (Math.abs(normal.dot(TCAD.math.AXIS.Y)) < 0.5) {
alignPlane = normal.cross(TCAD.math.AXIS.Y);
} else {
alignPlane = normal.cross(TCAD.math.AXIS.Z);
}
y = alignPlane.cross(normal);
x = y.cross(normal);
return [x, y, normal];
};
TCAD.SketchFace.prototype.basis = function() {
if (!this._basis) {
this._basis = this.calcBasis();
}
return this._basis;
//return TCAD.geom.someBasis(this.csgGroup.polygons[0].vertices.map(function (v) {
// return vec(v.pos)
//}), vec(this.csgGroup.plane.normal));
};
TCAD.SketchFace.prototype.syncSketches = function(geom) {
var i;