OpenSG: OSGLine.h Source File

00001 /*---------------------------------------------------------------------------*\
00002  *                                OpenSG                                     *
00003  *                                                                           *
00004  *                                                                           *
00005  *             Copyright (C) 2000-2002 by the OpenSG Forum                   *
00006  *                                                                           *
00007  *                            www.opensg.org                                 *
00008  *                                                                           *
00009  *   contact: dirk@opensg.org, gerrit.voss@vossg.org, jbehr@zgdv.de          *
00010  *                                                                           *
00011 \*---------------------------------------------------------------------------*/
00012 /*---------------------------------------------------------------------------*\
00013  *                                License                                    *
00014  *                                                                           *
00015  * This library is free software; you can redistribute it and/or modify it   *
00016  * under the terms of the GNU Library General Public License as published    *
00017  * by the Free Software Foundation, version 2.                               *
00018  *                                                                           *
00019  * This library is distributed in the hope that it will be useful, but       *
00020  * WITHOUT ANY WARRANTY; without even the implied warranty of                *
00021  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU         *
00022  * Library General Public License for more details.                          *
00023  *                                                                           *
00024  * You should have received a copy of the GNU Library General Public         *
00025  * License along with this library; if not, write to the Free Software       *
00026  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.                 *
00027  *                                                                           *
00028 \*---------------------------------------------------------------------------*/
00029 /*---------------------------------------------------------------------------*\
00030  *                                Changes                                    *
00031  *                                                                           *
00032  *                                                                           *
00033  *                                                                           *
00034  *                                                                           *
00035  *                                                                           *
00036  *                                                                           *
00037 \*---------------------------------------------------------------------------*/
00038 
00039 #ifndef _OSGLINE_H_
00040 #define _OSGLINE_H_
00041 
00042 #include <OSGBaseTypes.h>
00043 #include <OSGBaseFunctions.h>
00044 #include "OSGVector.h"
00045 
00046 OSG_BEGIN_NAMESPACE
00047 
00048 class BoxVolume;
00049 class SphereVolume;
00050 class CylinderVolume;
00051 class FrustumVolume;
00052 
00056 class OSG_BASE_DLLMAPPING Line
00057 {
00058     /*==========================  PUBLIC  =================================*/
00059 
00060   public:
00061       
00062     /*---------------------------------------------------------------------*/
00066     Line(       void                        );
00067     Line(const  Line  &obj                  );
00068     Line(const  Pnt3f &p0,  const Pnt3f &p1 );
00069     Line(const  Pnt3f &pos, const Vec3f &dir);
00070 
00072     /*---------------------------------------------------------------------*/
00076     ~Line(void);
00077 
00079     /*---------------------------------------------------------------------*/
00083     void setValue(const Pnt3f &p0 , const Pnt3f &p1 );
00084     void setValue(const Pnt3f &pos, const Vec3f &dir);
00085 
00087     /*---------------------------------------------------------------------*/
00091     bool    getClosestPoints(const Line     &line2,
00092                                    Pnt3f    &ptOnThis, Pnt3f &ptOnLine2) const;
00093     Pnt3f   getClosestPoint (const Pnt3f &point                        ) const;
00094     Real32  distance        (const Pnt3f &point                        ) const;
00095 
00097     /*---------------------------------------------------------------------*/
00101     const Pnt3f &getPosition (void) const; 
00102     const Vec3f &getDirection(void) const; 
00103 
00105     /*---------------------------------------------------------------------*/
00109     bool intersect(const SphereVolume   &sphere                     ) const;
00110     bool intersect(const SphereVolume   &sphere,  Real32 &enter,
00111                                                   Real32 &exit      ) const;
00112     bool intersect(const CylinderVolume &cyl                        ) const;
00113     bool intersect(const CylinderVolume &cyl,     Real32 &enter,
00114                                                   Real32 &exit      ) const;
00115     bool intersect(const FrustumVolume  &frustum                    ) const;
00116     bool intersect(const FrustumVolume  &frustum, Real32 &enter,
00117                                                   Real32 &exit      ) const;
00118     bool intersect(const BoxVolume      &box,     Real32 &enter,
00119                                                   Real32 &exit      ) const;
00120     bool intersect(      Real32          angle,
00121                    const BoxVolume      &box                        ) const;
00122     bool intersect(      Real32          angle,
00123                    const Vec3f          &point                      ) const;
00124     bool intersect(      Real32          angle,
00125                    const Vec3f          &v0,
00126                    const Vec3f          &v1,
00127                          Vec3f          &pt                         ) const;
00128     bool intersect(const Pnt3f          &v0,
00129                    const Pnt3f          &v1,
00130                    const Pnt3f          &v2,
00131                          Real32         &t,
00132                          Vec3f          *normal = NULL              ) const;
00133     
00135     /*=========================  PROTECTED  ===============================*/
00136 
00137   protected:
00138 
00139     /*==========================  PRIVATE  ================================*/
00140 
00141   private:
00142 
00143     Pnt3f   _pos;
00144     Vec3f   _dir;
00145 
00146 };
00147 
00148 OSG_END_NAMESPACE
00149 
00150 #include <OSGLine.inl>
00151 
00152 #endif // _OSGLINE_H_