| /* |
| 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 |
| |