The computer graphics community is always interested in faster methods to generate images. This is why Pixar and several other organizations are funding the research of a Carnegie Mellon University (CMU) computer scientist who has developed a new method to simulate collisions of objects, according to the Pittsburgh Post-Gazette. This method, named Bounded Deformation Tree, or BD-Tree, uses a bounding sphere hierarchy for output-sensitive collision detection. And this method is a thousand times faster than previous ones. As an example, the BD-Tree was used to simulate collisions between more than 3,600 falling chairs in a few hours instead a couple of months with current techniques. This method could be used for applications in computer-generated animation and video games, but also for surgical simulations or drug design. Read more...
Sources: Byron Spice, Pittsburgh Post-Gazette, October 10, 2005; and various web sites
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