| /* |
| 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 |
| |