STATE_polygon_is_rotated

 

 



   returns YES or NO
   a rotated polygon will always turn itself to
   face the direction of the camera.
   this technique is used to make 2D images look like a 3D object
   usually we will use this technique for trees animals etc ...
   Objects that look the same from all direction are excellent candidates
   (for example a tree or a vase) 

 

 

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