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verma/gist:9717096

Created March 23, 2014 01:21
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gistfile1.js
PointCollector.prototype._2dProj = function(p, proj) {
proj = proj || (new THREE.Projector());
var ndc = p.clone();
proj.projectVector(ndc, this.fromCamera);
return new THREE.Vector3(
ndc.x * this.size[0] / 2, ndc.y * this.size[1] / 2, 1.0);
};
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