43 lines
1.8 KiB
C++
43 lines
1.8 KiB
C++
/*
|
|
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
|
|
|