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GPU Ray-Traced Collision Detection for Cloth Simulation

Francois Lehericey, Valerie Gouranton, Bruno Arnaldi
INSA de Rennes, IRISA, Inria
hal-01218186, (23 October 2015)

@inproceedings{lehericey2015gpu,

   title={GPU ray-traced collision detection for cloth simulation},

   author={Lehericey, Fran{c{c}}ois and Gouranton, Val{‘e}rie and Arnaldi, Bruno},

   booktitle={Symposium on Virtual Reality Software and Technology, VRST},

   year={2015}

}

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We propose a method to perform collision detection with cloths with ray-tracing. Our method is able to perform collision detection between cloths and volumetric objects (rigid or deformable) as well as collision detection between cloths (including auto-collision). Our method casts rays between objects to perform collision detection, and an inversion-handling algorithm is introduced to correct errors introduced by discrete simulations. GPU computing is used to improve the performances. Our implementation handles scenes containing deformable objects at an interactive frame-rate, with collision detection lasting a few milliseconds.
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