2 Bullet Continuous Collision Detection and Physics Library
3 Copyright (c) 2003-2006 Erwin Coumans https://bulletphysics.org
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8 including commercial applications, and to alter it and redistribute it freely,
9 subject to the following restrictions:
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16 #ifndef BT_CONVEX_CONCAVE_COLLISION_ALGORITHM_H
17 #define BT_CONVEX_CONCAVE_COLLISION_ALGORITHM_H
19 #include "btActivatingCollisionAlgorithm.h"
20 #include "BulletCollision/BroadphaseCollision/btDispatcher.h"
21 #include "BulletCollision/BroadphaseCollision/btBroadphaseInterface.h"
22 #include "BulletCollision/CollisionShapes/btTriangleCallback.h"
23 #include "BulletCollision/NarrowPhaseCollision/btPersistentManifold.h"
25 #include "BulletCollision/BroadphaseCollision/btBroadphaseProxy.h"
26 #include "btCollisionCreateFunc.h"
28 ///For each triangle in the concave mesh that overlaps with the AABB of a convex (m_convexProxy), processTriangle is called.
29 ATTRIBUTE_ALIGNED16(class)
30 btConvexTriangleCallback : public btTriangleCallback
35 const btCollisionObjectWrapper* m_convexBodyWrap;
36 const btCollisionObjectWrapper* m_triBodyWrap;
38 btManifoldResult* m_resultOut;
39 btDispatcher* m_dispatcher;
40 const btDispatcherInfo* m_dispatchInfoPtr;
41 btScalar m_collisionMarginTriangle;
44 BT_DECLARE_ALIGNED_ALLOCATOR();
48 btPersistentManifold* m_manifoldPtr;
50 btConvexTriangleCallback(btDispatcher * dispatcher, const btCollisionObjectWrapper* body0Wrap, const btCollisionObjectWrapper* body1Wrap, bool isSwapped);
52 void setTimeStepAndCounters(btScalar collisionMarginTriangle, const btDispatcherInfo& dispatchInfo, const btCollisionObjectWrapper* convexBodyWrap, const btCollisionObjectWrapper* triBodyWrap, btManifoldResult* resultOut);
54 void clearWrapperData()
59 virtual ~btConvexTriangleCallback();
61 virtual void processTriangle(btVector3 * triangle, int partId, int triangleIndex);
65 SIMD_FORCE_INLINE const btVector3& getAabbMin() const
69 SIMD_FORCE_INLINE const btVector3& getAabbMax() const
75 /// btConvexConcaveCollisionAlgorithm supports collision between convex shapes and (concave) trianges meshes.
76 ATTRIBUTE_ALIGNED16(class)
77 btConvexConcaveCollisionAlgorithm : public btActivatingCollisionAlgorithm
79 btConvexTriangleCallback m_btConvexTriangleCallback;
84 BT_DECLARE_ALIGNED_ALLOCATOR();
86 btConvexConcaveCollisionAlgorithm(const btCollisionAlgorithmConstructionInfo& ci, const btCollisionObjectWrapper* body0Wrap, const btCollisionObjectWrapper* body1Wrap, bool isSwapped);
88 virtual ~btConvexConcaveCollisionAlgorithm();
90 virtual void processCollision(const btCollisionObjectWrapper* body0Wrap, const btCollisionObjectWrapper* body1Wrap, const btDispatcherInfo& dispatchInfo, btManifoldResult* resultOut);
92 btScalar calculateTimeOfImpact(btCollisionObject * body0, btCollisionObject * body1, const btDispatcherInfo& dispatchInfo, btManifoldResult* resultOut);
94 virtual void getAllContactManifolds(btManifoldArray & manifoldArray);
98 struct CreateFunc : public btCollisionAlgorithmCreateFunc
100 virtual btCollisionAlgorithm* CreateCollisionAlgorithm(btCollisionAlgorithmConstructionInfo& ci, const btCollisionObjectWrapper* body0Wrap, const btCollisionObjectWrapper* body1Wrap)
102 void* mem = ci.m_dispatcher1->allocateCollisionAlgorithm(sizeof(btConvexConcaveCollisionAlgorithm));
103 return new (mem) btConvexConcaveCollisionAlgorithm(ci, body0Wrap, body1Wrap, false);
107 struct SwappedCreateFunc : public btCollisionAlgorithmCreateFunc
109 virtual btCollisionAlgorithm* CreateCollisionAlgorithm(btCollisionAlgorithmConstructionInfo& ci, const btCollisionObjectWrapper* body0Wrap, const btCollisionObjectWrapper* body1Wrap)
111 void* mem = ci.m_dispatcher1->allocateCollisionAlgorithm(sizeof(btConvexConcaveCollisionAlgorithm));
112 return new (mem) btConvexConcaveCollisionAlgorithm(ci, body0Wrap, body1Wrap, true);
117 #endif //BT_CONVEX_CONCAVE_COLLISION_ALGORITHM_H