50 lines
2.4 KiB
C++
50 lines
2.4 KiB
C++
/*
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Bullet Continuous Collision Detection and Physics Library
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Copyright (c) 2011 Advanced Micro Devices, Inc. http://bulletphysics.org
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This software is provided 'as-is', without any express or implied warranty.
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In no event will the authors be held liable for any damages arising from the use of this software.
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Permission is granted to anyone to use this software for any purpose,
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including commercial applications, and to alter it and redistribute it freely,
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subject to the following restrictions:
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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.
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2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software.
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3. This notice may not be removed or altered from any source distribution.
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*/
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///This file was written by Erwin Coumans
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#ifndef BT_POLYHEDRAL_CONTACT_CLIPPING_H
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#define BT_POLYHEDRAL_CONTACT_CLIPPING_H
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#include "LinearMath/btAlignedObjectArray.h"
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#include "LinearMath/btTransform.h"
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#include "btDiscreteCollisionDetectorInterface.h"
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class btConvexPolyhedron;
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typedef btAlignedObjectArray<btVector3> btVertexArray;
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// Clips a face to the back of a plane
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struct btPolyhedralContactClipping
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{
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static void clipHullAgainstHull(const btVector3& separatingNormal1, const btConvexPolyhedron& hullA, const btConvexPolyhedron& hullB, const btTransform& transA,const btTransform& transB, const btScalar minDist, btScalar maxDist,btVertexArray& worldVertsB1,btVertexArray& worldVertsB2,btDiscreteCollisionDetectorInterface::Result& resultOut);
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static void clipFaceAgainstHull(const btVector3& separatingNormal, const btConvexPolyhedron& hullA, const btTransform& transA, btVertexArray& worldVertsB1,btVertexArray& worldVertsB2, const btScalar minDist, btScalar maxDist,btDiscreteCollisionDetectorInterface::Result& resultOut);
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static bool findSeparatingAxis( const btConvexPolyhedron& hullA, const btConvexPolyhedron& hullB, const btTransform& transA,const btTransform& transB, btVector3& sep, btDiscreteCollisionDetectorInterface::Result& resultOut);
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///the clipFace method is used internally
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static void clipFace(const btVertexArray& pVtxIn, btVertexArray& ppVtxOut, const btVector3& planeNormalWS,btScalar planeEqWS);
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};
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#endif // BT_POLYHEDRAL_CONTACT_CLIPPING_H
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