tsarevitch.org — OZCollide is a fast, complete and free collision detection library. It provides a very ease of use C++ API especially focused on performance and functionalities for real time applications such as video games. OZCollide doesn't just provide yes/no collision queries between standard primitives. It is a full, functional, performant, stable and cross-platform library to be used instantly into your pipeline production providing tons of collision methods up to the object serialization itself. OZCollide is based on AABB tree implementation. read more...