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SirGordon/away3dutils.as

Last active October 6, 2015 14:33
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away3d get screen coords of 3d object
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away3dutils.as
private function getStagePosition(cam:Camera3D, obj:ObjectContainer3D):Vector3D {
var camT:Matrix3D = cam.viewProjection.clone();
var planT:Matrix3D = obj.sceneTransform.clone();
planT.appendTranslation(0, obj.maxY, 0);
camT.prepend(planT);
var pv:Vector3D = Utils3D.projectVector(camT, new Vector3D());
pv.x = (pv.x * stage.stageWidth / 2) + stage.stageWidth / 2;
pv.y = (pv.y * -1 * stage.stageHeight / 2) + stage.stageHeight / 2;
return pv;
}
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