00001 /* 00002 Bullet Continuous Collision Detection and Physics Library 00003 Copyright (c) 2003-2009 Erwin Coumans http://bulletphysics.org 00004 00005 This software is provided 'as-is', without any express or implied warranty. 00006 In no event will the authors be held liable for any damages arising from the use of this software. 00007 Permission is granted to anyone to use this software for any purpose, 00008 including commercial applications, and to alter it and redistribute it freely, 00009 subject to the following restrictions: 00010 00011 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. 00012 2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software. 00013 3. This notice may not be removed or altered from any source distribution. 00014 */ 00015 00016 #ifndef STATIC_PLANE_SHAPE_H 00017 #define STATIC_PLANE_SHAPE_H 00018 00019 #include "btConcaveShape.h" 00020 00021 00023 ATTRIBUTE_ALIGNED16(class) btStaticPlaneShape : public btConcaveShape 00024 { 00025 protected: 00026 btVector3 m_localAabbMin; 00027 btVector3 m_localAabbMax; 00028 00029 btVector3 m_planeNormal; 00030 btScalar m_planeConstant; 00031 btVector3 m_localScaling; 00032 00033 public: 00034 btStaticPlaneShape(const btVector3& planeNormal,btScalar planeConstant); 00035 00036 virtual ~btStaticPlaneShape(); 00037 00038 00039 virtual void getAabb(const btTransform& t,btVector3& aabbMin,btVector3& aabbMax) const; 00040 00041 virtual void processAllTriangles(btTriangleCallback* callback,const btVector3& aabbMin,const btVector3& aabbMax) const; 00042 00043 virtual void calculateLocalInertia(btScalar mass,btVector3& inertia) const; 00044 00045 virtual void setLocalScaling(const btVector3& scaling); 00046 virtual const btVector3& getLocalScaling() const; 00047 00048 const btVector3& getPlaneNormal() const 00049 { 00050 return m_planeNormal; 00051 } 00052 00053 const btScalar& getPlaneConstant() const 00054 { 00055 return m_planeConstant; 00056 } 00057 00058 //debugging 00059 virtual const char* getName()const {return "STATICPLANE";} 00060 00061 virtual int calculateSerializeBufferSize() const; 00062 00064 virtual const char* serialize(void* dataBuffer, btSerializer* serializer) const; 00065 00066 00067 }; 00068 00070 struct btStaticPlaneShapeData 00071 { 00072 btCollisionShapeData m_collisionShapeData; 00073 00074 btVector3FloatData m_localScaling; 00075 btVector3FloatData m_planeNormal; 00076 float m_planeConstant; 00077 char m_pad[4]; 00078 }; 00079 00080 00081 SIMD_FORCE_INLINE int btStaticPlaneShape::calculateSerializeBufferSize() const 00082 { 00083 return sizeof(btStaticPlaneShapeData); 00084 } 00085 00087 SIMD_FORCE_INLINE const char* btStaticPlaneShape::serialize(void* dataBuffer, btSerializer* serializer) const 00088 { 00089 btStaticPlaneShapeData* planeData = (btStaticPlaneShapeData*) dataBuffer; 00090 btCollisionShape::serialize(&planeData->m_collisionShapeData,serializer); 00091 00092 m_localScaling.serializeFloat(planeData->m_localScaling); 00093 m_planeNormal.serializeFloat(planeData->m_planeNormal); 00094 planeData->m_planeConstant = float(m_planeConstant); 00095 00096 return "btStaticPlaneShapeData"; 00097 } 00098 00099 00100 #endif //STATIC_PLANE_SHAPE_H 00101 00102 00103