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WP_Ray3D.h

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00001 /* Copyright (C) 2001 W.P. van Paassen - peter@paassen.tmfweb.nl
00002 
00003    This program is free software; you can redistribute it and/or modify it under
00004    the terms of the GNU General Public License as published by the Free
00005    Software Foundation; either version 2 of the License, or (at your
00006    option) any later version.
00007 
00008    This program is distributed in the hope that it will be useful, but WITHOUT
00009    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
00010    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
00011    for more details.
00012 
00013    You should have received a copy of the GNU General Public License
00014    along with this program; see the file COPYING.  If not, write to the Free
00015    Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  */
00016 
00017 #ifndef WP_RAY3D_H
00018 #define WP_RAY3D_H
00019 
00020 #include "WP_Def.h"
00021 #include "WP_Point3D.h"
00022 #include "WP_Vector3D.h"
00023 
00024 namespace WPCG
00025 {
00044 class WP_Ray3D
00045 {
00046 public:
00047         WP_Ray3D(){};
00048         
00053         WP_Ray3D(const WP_Point3D& p, const WP_Vector3D& v);
00054 
00055         ~WP_Ray3D(){};
00056 
00060         float sphere_intersection(const WP_Matrix3D& m) const;
00061 
00067         WP_Ray3D createInverseTransformedRay(const WP_Matrix3D& inverse_m) const;
00068 
00072         void draw() const;
00073 
00077         WP_Point3D start;
00078 
00082         WP_Vector3D direction;
00083 };
00084 }
00085 #endif

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