A Unified Discrete Collision Framework
for Triangle Primitives
Eurographics 2025
Abstract
We present a unified, primitive-first framework with DCD for collision response in physics-based simulations. Previous methods do not provide sufficient solutions on a framework that resolves edge-triangle and edge-edge collisions when handling self-collisions and inter-object collisions in a unified manner. We define a scalar function and its gradient, representing the distance between two triangles and the movement direction for collision response, respectively. The resulting method offers an effective solution for collisions with minor computational overhead and robustness for any type of deformable object, such as solids or cloth. The algorithm is conceptually simple and easy to implement. When using PBD/XPBD, it is straightforward to incorporate our method into a collision constraint.
Video
Results
BibTeX
@article{tomoyokikuchi2025,
author = {Tomoyo Kikuchi and Takashi Kanai},
journal = {Computer Graphics Forum (Proc. Eurographics 2025)},
year = {2025}
}