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btConeShape.h - Hosted on DriveHQ Cloud IT Platform
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Ruta de la carpeta: \\game3dprogramming\materials\DarkPuzzle\libs\bullet_src\BulletCollision\CollisionShapes\btConeShape.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 CONE_MINKOWSKI_H #define CONE_MINKOWSKI_H #include "btConvexInternalShape.h" #include "BulletCollision/BroadphaseCollision/btBroadphaseProxy.h" // for the types ///btConeShape implements a Cone shape, around the Y axis class btConeShape : public btConvexInternalShape { btScalar m_sinAngle; btScalar m_radius; btScalar m_height; int m_coneIndices[3]; btVector3 coneLocalSupport(const btVector3& v) const; public: btConeShape (btScalar radius,btScalar height); 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; btScalar getRadius() const { return m_radius;} btScalar getHeight() const { return m_height;} virtual void calculateLocalInertia(btScalar mass,btVector3& inertia) const { btTransform identity; identity.setIdentity(); btVector3 aabbMin,aabbMax; getAabb(identity,aabbMin,aabbMax); btVector3 halfExtents = (aabbMax-aabbMin)*btScalar(0.5); btScalar margin = getMargin(); btScalar lx=btScalar(2.)*(halfExtents.x()+margin); btScalar ly=btScalar(2.)*(halfExtents.y()+margin); btScalar lz=btScalar(2.)*(halfExtents.z()+margin); const btScalar x2 = lx*lx; const btScalar y2 = ly*ly; const btScalar z2 = lz*lz; const btScalar scaledmass = mass * btScalar(0.08333333); inertia = scaledmass * (btVector3(y2+z2,x2+z2,x2+y2)); // inertia.x() = scaledmass * (y2+z2); // inertia.y() = scaledmass * (x2+z2); // inertia.z() = scaledmass * (x2+y2); } virtual int getShapeType() const { return CONE_SHAPE_PROXYTYPE; } virtual const char* getName()const { return "Cone"; } ///choose upAxis index void setConeUpIndex(int upIndex); int getConeUpIndex() const { return m_coneIndices[1]; } }; ///btConeShape implements a Cone shape, around the X axis class btConeShapeX : public btConeShape { public: btConeShapeX(btScalar radius,btScalar height); }; ///btConeShapeZ implements a Cone shape, around the Z axis class btConeShapeZ : public btConeShape { public: btConeShapeZ(btScalar radius,btScalar height); }; #endif //CONE_MINKOWSKI_H
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