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Collision detection is essential for many applications involving simulation, behavior and animation. However, it has been regarded as a computationally demanding task and is often treated as an advanced feature. Most commonly used commercial CAD/CAM packages and high performance graphics libraries, such as SGI Performer, provide limited support for collision detection. As users continue to stretch the capabilities of VRML, collision detection will soon become an indispensable capability fordoi:10.1145/253437.253472 dblp:conf/vrml/HudsonLCGM97 fatcat:zfpadmbt35evzd2chxtuy6dgti