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Diffstat (limited to 'thirdparty/bullet/BulletCollision/CollisionShapes/btConvexShape.h')
| -rw-r--r-- | thirdparty/bullet/BulletCollision/CollisionShapes/btConvexShape.h | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/thirdparty/bullet/BulletCollision/CollisionShapes/btConvexShape.h b/thirdparty/bullet/BulletCollision/CollisionShapes/btConvexShape.h new file mode 100644 index 0000000000..875f2ac195 --- /dev/null +++ b/thirdparty/bullet/BulletCollision/CollisionShapes/btConvexShape.h @@ -0,0 +1,85 @@ +/* +Bullet Continuous Collision Detection and Physics Library +Copyright (c) 2003-2009 Erwin Coumans http://bulletphysics.org + +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 BT_CONVEX_SHAPE_INTERFACE1 +#define BT_CONVEX_SHAPE_INTERFACE1 + +#include "btCollisionShape.h" + +#include "LinearMath/btVector3.h" +#include "LinearMath/btTransform.h" +#include "LinearMath/btMatrix3x3.h" +#include "btCollisionMargin.h" +#include "LinearMath/btAlignedAllocator.h" + +#define MAX_PREFERRED_PENETRATION_DIRECTIONS 10 + +/// The btConvexShape is an abstract shape interface, implemented by all convex shapes such as btBoxShape, btConvexHullShape etc. +/// It describes general convex shapes using the localGetSupportingVertex interface, used by collision detectors such as btGjkPairDetector. +ATTRIBUTE_ALIGNED16(class) btConvexShape : public btCollisionShape +{ + + +public: + + BT_DECLARE_ALIGNED_ALLOCATOR(); + + btConvexShape (); + + virtual ~btConvexShape(); + + virtual btVector3 localGetSupportingVertex(const btVector3& vec)const = 0; + + //////// + #ifndef __SPU__ + virtual btVector3 localGetSupportingVertexWithoutMargin(const btVector3& vec) const=0; + #endif //#ifndef __SPU__ + + btVector3 localGetSupportVertexWithoutMarginNonVirtual (const btVector3& vec) const; + btVector3 localGetSupportVertexNonVirtual (const btVector3& vec) const; + btScalar getMarginNonVirtual () const; + void getAabbNonVirtual (const btTransform& t, btVector3& aabbMin, btVector3& aabbMax) const; + + + virtual void project(const btTransform& trans, const btVector3& dir, btScalar& minProj, btScalar& maxProj, btVector3& witnesPtMin,btVector3& witnesPtMax) const; + + + //notice that the vectors should be unit length + virtual void batchedUnitVectorGetSupportingVertexWithoutMargin(const btVector3* vectors,btVector3* supportVerticesOut,int numVectors) const= 0; + + ///getAabb's default implementation is brute force, expected derived classes to implement a fast dedicated version + void getAabb(const btTransform& t,btVector3& aabbMin,btVector3& aabbMax) const =0; + + virtual void getAabbSlow(const btTransform& t,btVector3& aabbMin,btVector3& aabbMax) const =0; + + virtual void setLocalScaling(const btVector3& scaling) =0; + virtual const btVector3& getLocalScaling() const =0; + + virtual void setMargin(btScalar margin)=0; + + virtual btScalar getMargin() const=0; + + virtual int getNumPreferredPenetrationDirections() const=0; + + virtual void getPreferredPenetrationDirection(int index, btVector3& penetrationVector) const=0; + + + + +}; + + + +#endif //BT_CONVEX_SHAPE_INTERFACE1 |