Crispin Deul, Patrick Charrier and Jan Bender, Position-Based Rigid Body Dynamics, In Proceedings of the 27th International Conference on Computer Animation and Social Agents, 2014

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We propose a position-based approach for large-scale simulations of rigid bodies at interactive frame-rates. Our method solves positional constraints between rigid bodies and therefore integrates nicely with other position-based methods. Interaction of particles and rigid bodies through common constraints enables two-way coupling with deformables. The method exhibits exceptional performance and stability while being user-controllable and easy to implement. Various results demonstrate the practicability of our method for the resolution of collisions, contacts, stacking and joint constraints.




Cloth model
Collision model
Elk test