120ca87015
git-svn-id: https://free-cad.svn.sourceforge.net/svnroot/free-cad/trunk@5000 e8eeb9e2-ec13-0410-a4a9-efa5cf37419d
77 lines
2.3 KiB
C++
77 lines
2.3 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 WM4INTRLINE3BOX3_H
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#define WM4INTRLINE3BOX3_H
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#include "Wm4FoundationLIB.h"
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#include "Wm4Intersector.h"
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#include "Wm4Line3.h"
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#include "Wm4Box3.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 IntrLine3Box3
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: public Intersector<Real,Vector3<Real> >
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{
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public:
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IntrLine3Box3 (const Line3<Real>& rkLine, const Box3<Real>& rkBox);
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// object access
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const Line3<Real>& GetLine () const;
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const Box3<Real>& GetBox () const;
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// static intersection queries
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virtual bool Test ();
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virtual bool Find ();
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// the intersection set
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int GetQuantity () const;
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const Vector3<Real>& GetPoint (int i) const;
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private:
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using Intersector<Real,Vector3<Real> >::IT_EMPTY;
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using Intersector<Real,Vector3<Real> >::IT_POINT;
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using Intersector<Real,Vector3<Real> >::IT_SEGMENT;
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using Intersector<Real,Vector3<Real> >::m_iIntersectionType;
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static bool Clip (Real fDenom, Real fNumer, Real& rfT0, Real& rfT1);
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// the objects to intersect
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const Line3<Real>& m_rkLine;
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const Box3<Real>& m_rkBox;
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// information about the intersection set
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int m_iQuantity;
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Vector3<Real> m_akPoint[2];
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// internal use (shared by IntrRay3Box3 and IntrSegment3Box3)
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public:
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static bool DoClipping (Real fT0, Real fT1, const Vector3<Real>& rkOrigin,
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const Vector3<Real>& rkDirection, const Box3<Real>& rkBox,
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bool bSolid, int& riQuantity, Vector3<Real> akPoint[2],
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int& riIntrType);
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};
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typedef IntrLine3Box3<float> IntrLine3Box3f;
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typedef IntrLine3Box3<double> IntrLine3Box3d;
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}
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#endif
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