70 lines
2.1 KiB
C++
70 lines
2.1 KiB
C++
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/*
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Bullet Continuous Collision Detection and Physics Library
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Copyright (c) 2003-2009 Erwin Coumans 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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#ifndef BT_TRIANGLE_BUFFER_H
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#define BT_TRIANGLE_BUFFER_H
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#include "btTriangleCallback.h"
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#include "LinearMath/btAlignedObjectArray.h"
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struct btTriangle
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{
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btVector3 m_vertex0;
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btVector3 m_vertex1;
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btVector3 m_vertex2;
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int m_partId;
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int m_triangleIndex;
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};
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///The btTriangleBuffer callback can be useful to collect and store overlapping triangles between AABB and concave objects that support 'processAllTriangles'
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///Example usage of this class:
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/// btTriangleBuffer triBuf;
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/// concaveShape->processAllTriangles(&triBuf,aabbMin, aabbMax);
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/// for (int i=0;i<triBuf.getNumTriangles();i++)
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/// {
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/// const btTriangle& tri = triBuf.getTriangle(i);
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/// //do something useful here with the triangle
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/// }
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class btTriangleBuffer : public btTriangleCallback
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{
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btAlignedObjectArray<btTriangle> m_triangleBuffer;
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public:
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virtual void processTriangle(btVector3* triangle, int partId, int triangleIndex);
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int getNumTriangles() const
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{
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return int(m_triangleBuffer.size());
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}
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const btTriangle& getTriangle(int index) const
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{
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return m_triangleBuffer[index];
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}
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void clearBuffer()
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{
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m_triangleBuffer.clear();
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}
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};
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#endif //BT_TRIANGLE_BUFFER_H
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