#ifndef DNA_RIGIDBODY_H #define DNA_RIGIDBODY_H struct PointerArray { int m_size; int m_capacity; void *m_data; }; struct btPhysicsSystem { PointerArray m_collisionShapes; PointerArray m_collisionObjects; PointerArray m_constraints; }; ///we need this to compute the pointer sizes struct ListBase { void *first; void *last; }; #endif