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+/*
+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
+