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37 lines
1.8 KiB
C++
37 lines
1.8 KiB
C++
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/*
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Copyright (c) 2003-2006 Gino van den Bergen / Erwin Coumans https://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 B3_GEOMETRY_UTIL_H
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#define B3_GEOMETRY_UTIL_H
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#include "Bullet3Common/b3Vector3.h"
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#include "Bullet3Common/b3AlignedObjectArray.h"
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///The b3GeometryUtil helper class provides a few methods to convert between plane equations and vertices.
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class b3GeometryUtil
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{
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public:
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static void getPlaneEquationsFromVertices(b3AlignedObjectArray<b3Vector3>& vertices, b3AlignedObjectArray<b3Vector3>& planeEquationsOut);
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static void getVerticesFromPlaneEquations(const b3AlignedObjectArray<b3Vector3>& planeEquations, b3AlignedObjectArray<b3Vector3>& verticesOut);
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static bool isInside(const b3AlignedObjectArray<b3Vector3>& vertices, const b3Vector3& planeNormal, b3Scalar margin);
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static bool isPointInsidePlanes(const b3AlignedObjectArray<b3Vector3>& planeEquations, const b3Vector3& point, b3Scalar margin);
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static bool areVerticesBehindPlane(const b3Vector3& planeNormal, const b3AlignedObjectArray<b3Vector3>& vertices, b3Scalar margin);
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};
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#endif //B3_GEOMETRY_UTIL_H
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