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btConvexHullShape.h - Hosted on DriveHQ Cloud IT Platform
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Ruta de la carpeta: \\game3dprogramming\materials\DarkPuzzle\libs\bullet_sdk\src\BulletCollision\CollisionShapes\btConvexHullShape.h
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/* Bullet Continuous Collision Detection and Physics Library Copyright (c) 2003-2006 Erwin Coumans http://continuousphysics.com/Bullet/ 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 CONVEX_HULL_SHAPE_H #define CONVEX_HULL_SHAPE_H #include "btPolyhedralConvexShape.h" #include "BulletCollision/BroadphaseCollision/btBroadphaseProxy.h" // for the types #include "LinearMath/btAlignedObjectArray.h" ///ConvexHullShape implements an implicit (getSupportingVertex) Convex Hull of a Point Cloud (vertices) ///No connectivity is needed. localGetSupportingVertex iterates linearly though all vertices. ///on modern hardware, due to cache coherency this isn't that bad. Complex algorithms tend to trash the cash. ///(memory is much slower then the cpu) ATTRIBUTE_ALIGNED16(class) btConvexHullShape : public btPolyhedralConvexShape { btAlignedObjectArray
m_points; public: BT_DECLARE_ALIGNED_ALLOCATOR(); ///this constructor optionally takes in a pointer to points. Each point is assumed to be 3 consecutive btScalar (x,y,z), the striding defines the number of bytes between each point, in memory. ///It is easier to not pass any points in the constructor, and just add one point at a time, using addPoint. ///btConvexHullShape make an internal copy of the points. btConvexHullShape(const btScalar* points=0,int numPoints=0, int stride=sizeof(btPoint3)); void addPoint(const btPoint3& point); btPoint3* getPoints() { return &m_points[0]; } const btPoint3* getPoints() const { return &m_points[0]; } int getNumPoints() const { return m_points.size(); } 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; virtual int getShapeType()const { return CONVEX_HULL_SHAPE_PROXYTYPE; } //debugging virtual const char* getName()const {return "Convex";} virtual int getNumVertices() const; virtual int getNumEdges() const; virtual void getEdge(int i,btPoint3& pa,btPoint3& pb) const; virtual void getVertex(int i,btPoint3& vtx) const; virtual int getNumPlanes() const; virtual void getPlane(btVector3& planeNormal,btPoint3& planeSupport,int i ) const; virtual bool isInside(const btPoint3& pt,btScalar tolerance) const; }; #endif //CONVEX_HULL_SHAPE_H
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