120ca87015
git-svn-id: https://free-cad.svn.sourceforge.net/svnroot/free-cad/trunk@5000 e8eeb9e2-ec13-0410-a4a9-efa5cf37419d
85 lines
2.7 KiB
C++
85 lines
2.7 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 WM4INTERSECTOR_H
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#define WM4INTERSECTOR_H
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#include "Wm4FoundationLIB.h"
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#include "Wm4LinComp.h"
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#include "Wm4Vector2.h"
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#include "Wm4Vector3.h"
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namespace Wm4
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{
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template <class Real, class TVector>
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class WM4_FOUNDATION_ITEM Intersector
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{
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public:
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// abstract base class
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virtual ~Intersector ();
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// Static intersection queries. The default implementations return
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// 'false'. The Find query produces a set of intersection. The derived
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// class is responsible for providing access to that set, since the nature
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// of the set is dependent on the object types.
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virtual bool Test ();
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virtual bool Find ();
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// Dynamic intersection queries. The default implementations return
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// 'false'. The Find query produces a set of first contact. The derived
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// class is responsible for providing access to that set, since the nature
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// of the set is dependent on the object types.
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virtual bool Test (Real fTMax, const TVector& rkVelocity0,
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const TVector& rkVelocity1);
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virtual bool Find (Real fTMax, const TVector& rkVelocity0,
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const TVector& rkVelocity1);
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// The time at which two objects are in first contact for the dynamic
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// intersection queries.
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Real GetContactTime () const;
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// information about the intersection set
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enum
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{
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IT_EMPTY = LinComp<Real>::CT_EMPTY,
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IT_POINT = LinComp<Real>::CT_POINT,
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IT_SEGMENT = LinComp<Real>::CT_SEGMENT,
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IT_RAY = LinComp<Real>::CT_RAY,
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IT_LINE = LinComp<Real>::CT_LINE,
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IT_POLYGON,
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IT_PLANE,
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IT_POLYHEDRON,
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IT_OTHER
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};
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int GetIntersectionType () const;
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protected:
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Intersector ();
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Real m_fContactTime;
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int m_iIntersectionType;
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};
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typedef Intersector<float, Vector2<float> > Intersector2f;
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typedef Intersector<float, Vector3<float> > Intersector3f;
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typedef Intersector<double, Vector2<double> > Intersector2d;
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typedef Intersector<double, Vector3<double> > Intersector3d;
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}
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#endif
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