120ca87015
git-svn-id: https://free-cad.svn.sourceforge.net/svnroot/free-cad/trunk@5000 e8eeb9e2-ec13-0410-a4a9-efa5cf37419d
69 lines
2.1 KiB
C++
69 lines
2.1 KiB
C++
// Wild Magic Source Code
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// David Eberly
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// http://www.geometrictools.com
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// Copyright (c) 1998-2007
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//
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// This library is free software; you can redistribute it and/or modify it
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// under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation; either version 2.1 of the License, or (at
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// your option) any later version. The license is available for reading at
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// either of the locations:
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// http://www.gnu.org/copyleft/lgpl.html
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// http://www.geometrictools.com/License/WildMagicLicense.pdf
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// The license applies to versions 0 through 4 of Wild Magic.
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//
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// Version: 4.0.0 (2006/06/28)
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#ifndef WM4DISTVECTOR3TRIANGLE3_H
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#define WM4DISTVECTOR3TRIANGLE3_H
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#include "Wm4FoundationLIB.h"
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#include "Wm4Distance.h"
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#include "Wm4Triangle3.h"
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namespace Wm4
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{
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template <class Real>
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class WM4_FOUNDATION_ITEM DistVector3Triangle3
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: public Distance<Real,Vector3<Real> >
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{
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public:
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DistVector3Triangle3 (const Vector3<Real>& rkVector,
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const Triangle3<Real>& rkTriangle);
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// object access
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const Vector3<Real>& GetVector () const;
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const Triangle3<Real>& GetTriangle () const;
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// static distance queries
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virtual Real Get ();
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virtual Real GetSquared ();
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// function calculations for dynamic distance queries
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virtual Real Get (Real fT, const Vector3<Real>& rkVelocity0,
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const Vector3<Real>& rkVelocity1);
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virtual Real GetSquared (Real fT, const Vector3<Real>& rkVelocity0,
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const Vector3<Real>& rkVelocity1);
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// Information about the closest triangle point.
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Real GetTriangleBary (int i) const;
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private:
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using Distance<Real,Vector3<Real> >::m_kClosestPoint0;
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using Distance<Real,Vector3<Real> >::m_kClosestPoint1;
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const Vector3<Real>& m_rkVector;
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const Triangle3<Real>& m_rkTriangle;
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// Information about the closest triangle point.
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Real m_afTriangleBary[3]; // closest1 = sum_{i=0}^2 bary[i]*tri.vertex[i]
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};
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typedef DistVector3Triangle3<float> DistVector3Triangle3f;
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typedef DistVector3Triangle3<double> DistVector3Triangle3d;
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}
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#endif
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