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Some dynamic memory allocations have been replace by pool allocation or stack allocations. quantized aabb versus quantized aabb overlap check is made branch-free (helps a lot on consoles PS3/XBox 360) Collision algorithms are now created through a new btDefaultCollisionConfiguration, to decouple dependency (this is the API change): Example: btDefaultCollisionConfiguration* collisionConfiguration = new btDefaultCollisionConfiguration(); m_dispatcher = new btCollisionDispatcher(collisionConfiguration);
Bullet is a 3D Collision Detection and Rigid Body Dynamics Library for games and animation. Free for commercial use, including Playstation 3, open source under the ZLib License. Discrete and continuous collision detection, integrated into Blender 3D, and COLLADA 1.4 Physics import. See the Bullet_User_Manual.pdf for more info and visit the Bullet Physics Forum at http://bulletphysics.com