+ use btBroadphaseProxy::AllFilter to collide with static and dynamic rigidbodies in broadphase + enlarge aabb for softbody in broadphase, otherwise misses collisions (deformation is not updated in-time?)
+ use btBroadphaseProxy::AllFilter to collide with static and dynamic rigidbodies in broadphase + enlarge aabb for softbody in broadphase, otherwise misses collisions (deformation is not updated in-time?)