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Diffstat (limited to 'thirdparty/bullet/BulletCollision/CollisionShapes/btTriangleBuffer.h')
| -rw-r--r-- | thirdparty/bullet/BulletCollision/CollisionShapes/btTriangleBuffer.h | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/thirdparty/bullet/BulletCollision/CollisionShapes/btTriangleBuffer.h b/thirdparty/bullet/BulletCollision/CollisionShapes/btTriangleBuffer.h new file mode 100644 index 0000000000..b71fc8b374 --- /dev/null +++ b/thirdparty/bullet/BulletCollision/CollisionShapes/btTriangleBuffer.h @@ -0,0 +1,69 @@ +/* +Bullet Continuous Collision Detection and Physics Library +Copyright (c) 2003-2009 Erwin Coumans http://bulletphysics.org + +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 BT_TRIANGLE_BUFFER_H +#define BT_TRIANGLE_BUFFER_H + +#include "btTriangleCallback.h" +#include "LinearMath/btAlignedObjectArray.h" + +struct btTriangle +{ + btVector3 m_vertex0; + btVector3 m_vertex1; + btVector3 m_vertex2; + int m_partId; + int m_triangleIndex; +}; + +///The btTriangleBuffer callback can be useful to collect and store overlapping triangles between AABB and concave objects that support 'processAllTriangles' +///Example usage of this class: +/// btTriangleBuffer triBuf; +/// concaveShape->processAllTriangles(&triBuf,aabbMin, aabbMax); +/// for (int i=0;i<triBuf.getNumTriangles();i++) +/// { +/// const btTriangle& tri = triBuf.getTriangle(i); +/// //do something useful here with the triangle +/// } +class btTriangleBuffer : public btTriangleCallback +{ + + btAlignedObjectArray<btTriangle> m_triangleBuffer; + +public: + + + virtual void processTriangle(btVector3* triangle, int partId, int triangleIndex); + + int getNumTriangles() const + { + return int(m_triangleBuffer.size()); + } + + const btTriangle& getTriangle(int index) const + { + return m_triangleBuffer[index]; + } + + void clearBuffer() + { + m_triangleBuffer.clear(); + } + +}; + + +#endif //BT_TRIANGLE_BUFFER_H + |