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Diffstat (limited to 'extern/bullet2/src/BulletCollision/CollisionShapes/btShapeHull.h')
-rw-r--r-- | extern/bullet2/src/BulletCollision/CollisionShapes/btShapeHull.h | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/extern/bullet2/src/BulletCollision/CollisionShapes/btShapeHull.h b/extern/bullet2/src/BulletCollision/CollisionShapes/btShapeHull.h new file mode 100644 index 00000000000..583c6b99eb6 --- /dev/null +++ b/extern/bullet2/src/BulletCollision/CollisionShapes/btShapeHull.h @@ -0,0 +1,56 @@ +/* +btShapeHull implemented by John McCutchan. + +Bullet Continuous Collision Detection and Physics Library +Copyright (c) 2003-2008 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 _SHAPE_HULL_H +#define _SHAPE_HULL_H + +#include "LinearMath/btAlignedObjectArray.h" +#include "BulletCollision/CollisionShapes/btConvexShape.h" + + +///The btShapeHull class takes a btConvexShape, builds a simplified convex hull using btConvexHull and provides triangle indices and vertices. +///It can be useful for to simplify a complex convex object and for visualization of a non-polyhedral convex object. +///It approximates the convex hull using the supporting vertex of 42 directions. +class btShapeHull +{ +public: + btShapeHull (const btConvexShape* shape); + ~btShapeHull (); + + bool buildHull (btScalar margin); + + int numTriangles () const; + int numVertices () const; + int numIndices () const; + + const btVector3* getVertexPointer() const + { + return &m_vertices[0]; + } + const unsigned int* getIndexPointer() const + { + return &m_indices[0]; + } + +protected: + btAlignedObjectArray<btVector3> m_vertices; + btAlignedObjectArray<unsigned int> m_indices; + unsigned int m_numIndices; + const btConvexShape* m_shape; +}; + +#endif //_SHAPE_HULL_H |