[away3d] Really strange rotation problem with MouseEvent3D

[Brian Bosak]

I discovered that MouseEvent3D (sceneX and sceneY) don't appear to be 
transformed by screen coordinates. I am making a 3D world editor and this 
certainly seems to be a big problem. Video here (YouTube):

http://www.youtube.com/watch?v=KSzEaHkbwBE