| 1 | /* | 
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| 2 | Bullet Continuous Collision Detection and Physics Library | 
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| 3 | Copyright (c) 2003-2009 Erwin Coumans  http://bulletphysics.org | 
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| 4 |  | 
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| 5 | This software is provided 'as-is', without any express or implied warranty. | 
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| 6 | In no event will the authors be held liable for any damages arising from the use of this software. | 
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| 7 | Permission is granted to anyone to use this software for any purpose, | 
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| 8 | including commercial applications, and to alter it and redistribute it freely, | 
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| 9 | subject to the following restrictions: | 
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| 10 |  | 
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| 11 | 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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| 12 | 2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software. | 
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| 13 | 3. This notice may not be removed or altered from any source distribution. | 
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| 14 | */ | 
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| 15 |  | 
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| 16 | #include "btConvex2dShape.h" | 
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| 17 |  | 
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| 18 | btConvex2dShape::btConvex2dShape(       btConvexShape* convexChildShape): | 
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| 19 | btConvexShape (), m_childConvexShape(convexChildShape) | 
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| 20 | { | 
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| 21 | m_shapeType = CONVEX_2D_SHAPE_PROXYTYPE; | 
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| 22 | } | 
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| 23 |  | 
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| 24 | btConvex2dShape::~btConvex2dShape() | 
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| 25 | { | 
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| 26 | } | 
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| 27 |  | 
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| 28 |  | 
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| 29 |  | 
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| 30 | btVector3       btConvex2dShape::localGetSupportingVertexWithoutMargin(const btVector3& vec)const | 
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| 31 | { | 
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| 32 | return m_childConvexShape->localGetSupportingVertexWithoutMargin(vec); | 
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| 33 | } | 
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| 34 |  | 
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| 35 | void    btConvex2dShape::batchedUnitVectorGetSupportingVertexWithoutMargin(const btVector3* vectors,btVector3* supportVerticesOut,int numVectors) const | 
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| 36 | { | 
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| 37 | m_childConvexShape->batchedUnitVectorGetSupportingVertexWithoutMargin(vectors,supportVerticesOut,numVectors); | 
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| 38 | } | 
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| 39 |  | 
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| 40 |  | 
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| 41 | btVector3       btConvex2dShape::localGetSupportingVertex(const btVector3& vec)const | 
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| 42 | { | 
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| 43 | return m_childConvexShape->localGetSupportingVertex(vec); | 
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| 44 | } | 
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| 45 |  | 
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| 46 |  | 
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| 47 | void    btConvex2dShape::calculateLocalInertia(btScalar mass,btVector3& inertia) const | 
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| 48 | { | 
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| 49 | ///this linear upscaling is not realistic, but we don't deal with large mass ratios... | 
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| 50 | m_childConvexShape->calculateLocalInertia(mass,inertia); | 
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| 51 | } | 
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| 52 |  | 
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| 53 |  | 
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| 54 | ///getAabb's default implementation is brute force, expected derived classes to implement a fast dedicated version | 
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| 55 | void btConvex2dShape::getAabb(const btTransform& t,btVector3& aabbMin,btVector3& aabbMax) const | 
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| 56 | { | 
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| 57 | m_childConvexShape->getAabb(t,aabbMin,aabbMax); | 
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| 58 | } | 
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| 59 |  | 
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| 60 | void btConvex2dShape::getAabbSlow(const btTransform& t,btVector3& aabbMin,btVector3& aabbMax) const | 
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| 61 | { | 
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| 62 | m_childConvexShape->getAabbSlow(t,aabbMin,aabbMax); | 
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| 63 | } | 
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| 64 |  | 
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| 65 | void    btConvex2dShape::setLocalScaling(const btVector3& scaling) | 
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| 66 | { | 
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| 67 | m_childConvexShape->setLocalScaling(scaling); | 
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| 68 | } | 
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| 69 |  | 
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| 70 | const btVector3& btConvex2dShape::getLocalScaling() const | 
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| 71 | { | 
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| 72 | return m_childConvexShape->getLocalScaling(); | 
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| 73 | } | 
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| 74 |  | 
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| 75 | void    btConvex2dShape::setMargin(btScalar margin) | 
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| 76 | { | 
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| 77 | m_childConvexShape->setMargin(margin); | 
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| 78 | } | 
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| 79 | btScalar        btConvex2dShape::getMargin() const | 
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| 80 | { | 
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| 81 | return m_childConvexShape->getMargin(); | 
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| 82 | } | 
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| 83 |  | 
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| 84 | int             btConvex2dShape::getNumPreferredPenetrationDirections() const | 
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| 85 | { | 
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| 86 | return m_childConvexShape->getNumPreferredPenetrationDirections(); | 
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| 87 | } | 
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| 88 |  | 
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| 89 | void    btConvex2dShape::getPreferredPenetrationDirection(int index, btVector3& penetrationVector) const | 
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| 90 | { | 
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| 91 | m_childConvexShape->getPreferredPenetrationDirection(index,penetrationVector); | 
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| 92 | } | 
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