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Diffstat (limited to 'thirdparty/bullet/LinearMath/btGeometryUtil.h')
| -rw-r--r-- | thirdparty/bullet/LinearMath/btGeometryUtil.h | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/thirdparty/bullet/LinearMath/btGeometryUtil.h b/thirdparty/bullet/LinearMath/btGeometryUtil.h new file mode 100644 index 0000000000..a4b13b4560 --- /dev/null +++ b/thirdparty/bullet/LinearMath/btGeometryUtil.h @@ -0,0 +1,42 @@ +/* +Copyright (c) 2003-2006 Gino van den Bergen / 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 BT_GEOMETRY_UTIL_H +#define BT_GEOMETRY_UTIL_H + +#include "btVector3.h" +#include "btAlignedObjectArray.h" + +///The btGeometryUtil helper class provides a few methods to convert between plane equations and vertices. +class btGeometryUtil +{ + public: + + + static void getPlaneEquationsFromVertices(btAlignedObjectArray<btVector3>& vertices, btAlignedObjectArray<btVector3>& planeEquationsOut ); + + static void getVerticesFromPlaneEquations(const btAlignedObjectArray<btVector3>& planeEquations , btAlignedObjectArray<btVector3>& verticesOut ); + + static bool isInside(const btAlignedObjectArray<btVector3>& vertices, const btVector3& planeNormal, btScalar margin); + + static bool isPointInsidePlanes(const btAlignedObjectArray<btVector3>& planeEquations, const btVector3& point, btScalar margin); + + static bool areVerticesBehindPlane(const btVector3& planeNormal, const btAlignedObjectArray<btVector3>& vertices, btScalar margin); + +}; + + +#endif //BT_GEOMETRY_UTIL_H + |