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Diffstat (limited to 'thirdparty/bullet/BulletCollision/CollisionShapes/btConvexPointCloudShape.h')
-rw-r--r-- | thirdparty/bullet/BulletCollision/CollisionShapes/btConvexPointCloudShape.h | 105 |
1 files changed, 105 insertions, 0 deletions
diff --git a/thirdparty/bullet/BulletCollision/CollisionShapes/btConvexPointCloudShape.h b/thirdparty/bullet/BulletCollision/CollisionShapes/btConvexPointCloudShape.h new file mode 100644 index 0000000000..54b5afac3e --- /dev/null +++ b/thirdparty/bullet/BulletCollision/CollisionShapes/btConvexPointCloudShape.h @@ -0,0 +1,105 @@ +/* +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_POINT_CLOUD_SHAPE_H +#define BT_CONVEX_POINT_CLOUD_SHAPE_H + +#include "btPolyhedralConvexShape.h" +#include "BulletCollision/BroadphaseCollision/btBroadphaseProxy.h" // for the types +#include "LinearMath/btAlignedObjectArray.h" + +///The btConvexPointCloudShape implements an implicit convex hull of an array of vertices. +ATTRIBUTE_ALIGNED16(class) btConvexPointCloudShape : public btPolyhedralConvexAabbCachingShape +{ + btVector3* m_unscaledPoints; + int m_numPoints; + +public: + BT_DECLARE_ALIGNED_ALLOCATOR(); + + btConvexPointCloudShape() + { + m_localScaling.setValue(1.f,1.f,1.f); + m_shapeType = CONVEX_POINT_CLOUD_SHAPE_PROXYTYPE; + m_unscaledPoints = 0; + m_numPoints = 0; + } + + btConvexPointCloudShape(btVector3* points,int numPoints, const btVector3& localScaling,bool computeAabb = true) + { + m_localScaling = localScaling; + m_shapeType = CONVEX_POINT_CLOUD_SHAPE_PROXYTYPE; + m_unscaledPoints = points; + m_numPoints = numPoints; + + if (computeAabb) + recalcLocalAabb(); + } + + void setPoints (btVector3* points, int numPoints, bool computeAabb = true,const btVector3& localScaling=btVector3(1.f,1.f,1.f)) + { + m_unscaledPoints = points; + m_numPoints = numPoints; + m_localScaling = localScaling; + + if (computeAabb) + recalcLocalAabb(); + } + + SIMD_FORCE_INLINE btVector3* getUnscaledPoints() + { + return m_unscaledPoints; + } + + SIMD_FORCE_INLINE const btVector3* getUnscaledPoints() const + { + return m_unscaledPoints; + } + + SIMD_FORCE_INLINE int getNumPoints() const + { + return m_numPoints; + } + + SIMD_FORCE_INLINE btVector3 getScaledPoint( int index) const + { + return m_unscaledPoints[index] * m_localScaling; + } + +#ifndef __SPU__ + virtual btVector3 localGetSupportingVertex(const btVector3& vec)const; + virtual btVector3 localGetSupportingVertexWithoutMargin(const btVector3& vec)const; + virtual void batchedUnitVectorGetSupportingVertexWithoutMargin(const btVector3* vectors,btVector3* supportVerticesOut,int numVectors) const; +#endif + + + //debugging + virtual const char* getName()const {return "ConvexPointCloud";} + + virtual int getNumVertices() const; + virtual int getNumEdges() const; + virtual void getEdge(int i,btVector3& pa,btVector3& pb) const; + virtual void getVertex(int i,btVector3& vtx) const; + virtual int getNumPlanes() const; + virtual void getPlane(btVector3& planeNormal,btVector3& planeSupport,int i ) const; + virtual bool isInside(const btVector3& pt,btScalar tolerance) const; + + ///in case we receive negative scaling + virtual void setLocalScaling(const btVector3& scaling); +}; + + +#endif //BT_CONVEX_POINT_CLOUD_SHAPE_H + |