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// Geometric Tools, LLC
// Copyright (c) 1998-2014
// Distributed under the Boost Software License, Version 1.0.
// http://www.boost.org/LICENSE_1_0.txt
// http://www.geometrictools.com/License/Boost/LICENSE_1_0.txt
//
// File Version: 5.0.1 (2010/10/01)
#ifndef WM5EXTREMALQUERY3_H
#define WM5EXTREMALQUERY3_H
#include "Wm5PhysicsLIB.h"
#include "Wm5ConvexPolyhedron3.h"
namespace Wm5
{
template <typename Real>
class WM5_PHYSICS_ITEM ExtremalQuery3
{
public:
// Abstract base class.
virtual ~ExtremalQuery3 ();
// Member access.
const ConvexPolyhedron3<Real>* GetPolytope () const;
const Vector3<Real>* GetFaceNormals () const;
// Compute the extreme vertices in the specified direction and return the
// indices of the vertices in the polyhedron vertex array.
virtual void GetExtremeVertices (const Vector3<Real>& direction,
int& positiveDirection, int& negativeDirection) = 0;
protected:
ExtremalQuery3 (const ConvexPolyhedron3<Real>* polytope);
const ConvexPolyhedron3<Real>* mPolytope;
Vector3<Real>* mFaceNormals;
};
typedef ExtremalQuery3<float> ExtremalQuery3f;
typedef ExtremalQuery3<double> ExtremalQuery3d;
}
#endif
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