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Diffstat (limited to 'extern/bullet2/BulletCollision/CollisionDispatch/btSphereBoxCollisionAlgorithm.h')
-rw-r--r-- | extern/bullet2/BulletCollision/CollisionDispatch/btSphereBoxCollisionAlgorithm.h | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/extern/bullet2/BulletCollision/CollisionDispatch/btSphereBoxCollisionAlgorithm.h b/extern/bullet2/BulletCollision/CollisionDispatch/btSphereBoxCollisionAlgorithm.h new file mode 100644 index 00000000000..47111d1c4af --- /dev/null +++ b/extern/bullet2/BulletCollision/CollisionDispatch/btSphereBoxCollisionAlgorithm.h @@ -0,0 +1,75 @@ +/* +Bullet Continuous Collision Detection and Physics Library +Copyright (c) 2003-2006 Erwin Coumans http://continuousphysics.com/Bullet/ + +This software is provided 'as-is', without any express or implied warranty. +In no event will the authors be held liable for any damages arising from the use of this software. +Permission is granted to anyone to use this software for any purpose, +including commercial applications, and to alter it and redistribute it freely, +subject to the following restrictions: + +1. The origin of this software must not be misrepresented; you must not claim that you wrote the original software. If you use this software in a product, an acknowledgment in the product documentation would be appreciated but is not required. +2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software. +3. This notice may not be removed or altered from any source distribution. +*/ + +#ifndef SPHERE_BOX_COLLISION_ALGORITHM_H +#define SPHERE_BOX_COLLISION_ALGORITHM_H + +#include "btActivatingCollisionAlgorithm.h" +#include "BulletCollision/BroadphaseCollision/btBroadphaseProxy.h" +#include "BulletCollision/CollisionDispatch/btCollisionCreateFunc.h" +class btPersistentManifold; +#include "btCollisionDispatcher.h" + +#include "LinearMath/btVector3.h" + +/// btSphereBoxCollisionAlgorithm provides sphere-box collision detection. +/// Other features are frame-coherency (persistent data) and collision response. +class btSphereBoxCollisionAlgorithm : public btActivatingCollisionAlgorithm +{ + bool m_ownManifold; + btPersistentManifold* m_manifoldPtr; + bool m_isSwapped; + +public: + + btSphereBoxCollisionAlgorithm(btPersistentManifold* mf,const btCollisionAlgorithmConstructionInfo& ci,btCollisionObject* col0,btCollisionObject* col1, bool isSwapped); + + virtual ~btSphereBoxCollisionAlgorithm(); + + virtual void processCollision (btCollisionObject* body0,btCollisionObject* body1,const btDispatcherInfo& dispatchInfo,btManifoldResult* resultOut); + + virtual btScalar calculateTimeOfImpact(btCollisionObject* body0,btCollisionObject* body1,const btDispatcherInfo& dispatchInfo,btManifoldResult* resultOut); + + virtual void getAllContactManifolds(btManifoldArray& manifoldArray) + { + if (m_manifoldPtr && m_ownManifold) + { + manifoldArray.push_back(m_manifoldPtr); + } + } + + btScalar getSphereDistance( btCollisionObject* boxObj,btVector3& v3PointOnBox, btVector3& v3PointOnSphere, const btVector3& v3SphereCenter, btScalar fRadius ); + + btScalar getSpherePenetration( btCollisionObject* boxObj, btVector3& v3PointOnBox, btVector3& v3PointOnSphere, const btVector3& v3SphereCenter, btScalar fRadius, const btVector3& aabbMin, const btVector3& aabbMax); + + struct CreateFunc :public btCollisionAlgorithmCreateFunc + { + virtual btCollisionAlgorithm* CreateCollisionAlgorithm(btCollisionAlgorithmConstructionInfo& ci, btCollisionObject* body0,btCollisionObject* body1) + { + void* mem = ci.m_dispatcher1->allocateCollisionAlgorithm(sizeof(btSphereBoxCollisionAlgorithm)); + if (!m_swapped) + { + return new(mem) btSphereBoxCollisionAlgorithm(0,ci,body0,body1,false); + } else + { + return new(mem) btSphereBoxCollisionAlgorithm(0,ci,body0,body1,true); + } + } + }; + +}; + +#endif //SPHERE_BOX_COLLISION_ALGORITHM_H + |