Ray-traced collision detection for deformable bodies
Abstract
This paper presents a new approach to collision detection and modeling between deformable volumetric bod- ies. It allows deep intersections while alleviating the difficulties of distance field update. A ray is shot from each surface vertex in the direction of the inward normal. A collision is detected when the first intersection be- longs to an inward surface triangle of another body. A contact force between the vertex and the matching point is then created. Experiments show that this approach is fast and more robust than traditional proximity-based collisions.
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