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OSGFrustumVolume.inl

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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 /*---------------------------------------------------------------------------*\
00031  *                                Changes                                    *
00032  *                                                                           *
00033  *                                                                           *
00034  *                                                                           *
00035  *                                                                           *
00036  *                                                                           *
00037  *                                                                           *
00038 \*---------------------------------------------------------------------------*/
00039 
00040 
00041 //---------------------------------------------------------------------------
00042 //  Includes
00043 //---------------------------------------------------------------------------
00044 
00045 #include "OSGConfig.h"
00046 #include "OSGVolume.h"
00047 
00048 OSG_BEGIN_NAMESPACE
00049 
00050 /*-------------------------- constructor ----------------------------------*/
00051 
00055 inline
00056 FrustumVolume::FrustumVolume() : 
00057     Volume() 
00058 {
00059 }
00060 
00064 inline
00065 FrustumVolume::FrustumVolume(const Plane &pnear, const Plane &pfar,
00066                              const Plane &left,  const Plane &right,
00067                              const Plane &top,   const Plane &bottom) :
00068     Volume()
00069 {
00070     _planeVec[0] = pnear;
00071     _planeVec[1] = pfar;
00072     _planeVec[2] = left;
00073     _planeVec[3] = right;
00074     _planeVec[4] = top;
00075     _planeVec[5] = bottom;
00076 }
00077 
00081 inline
00082 FrustumVolume::FrustumVolume(const FrustumVolume &obj) :
00083     Volume(obj)
00084 {
00085     _planeVec[0] = obj._planeVec[0];
00086     _planeVec[1] = obj._planeVec[1];
00087     _planeVec[2] = obj._planeVec[2];
00088     _planeVec[3] = obj._planeVec[3];
00089     _planeVec[4] = obj._planeVec[4];
00090     _planeVec[5] = obj._planeVec[5];
00091 }
00092 
00096 inline
00097 FrustumVolume::~FrustumVolume() 
00098 {
00099 }
00100 
00101 /*------------------------------ feature ----------------------------------*/
00102 
00106 inline
00107 const Plane &FrustumVolume::getNear(void) const
00108 {
00109     return _planeVec[0];
00110 }
00111 
00115 inline
00116 const Plane &FrustumVolume::getFar(void) const
00117 {
00118     return _planeVec[1];
00119 }
00120 
00124 inline
00125 const Plane &FrustumVolume::getLeft(void) const
00126 {
00127     return _planeVec[2];
00128 }
00129 
00133 inline
00134 const Plane &FrustumVolume::getRight(void) const
00135 {
00136     return _planeVec[3];
00137 }
00138 
00142 inline
00143 const Plane &FrustumVolume::getTop(void) const
00144 {
00145     return _planeVec[4];
00146 }
00147 
00151 inline
00152 const Plane &FrustumVolume::getBottom(void) const
00153 {
00154     return _planeVec[5];
00155 }
00156 
00157 
00161 inline
00162 const Plane *FrustumVolume::getPlanes(void) const
00163 {
00164     return _planeVec;
00165 }
00166 
00167 /*-------------------------- extending ------------------------------------*/
00168 
00173 inline
00174 void FrustumVolume::extendBy(const FrustumVolume &volume)
00175 {
00176     OSG::extend(*this, volume);
00177 }
00178 
00179 /*-------------------------- intersection ---------------------------------*/
00180 
00181 inline
00182 bool FrustumVolume::intersect(const FrustumVolume &volume) const
00183 {
00184     return OSG::intersect(*this, volume);
00185 }
00186 
00187 /*-------------------------- operators ------------------------------------*/
00188 
00192 inline
00193 bool operator !=(const FrustumVolume &b1, const FrustumVolume &b2)
00194 {
00195     return !(b1 == b2);
00196 }
00197 
00198 /***************************************************************************\
00199  *                           Instance methods                              *
00200 \***************************************************************************/
00201 
00202 OSG_END_NAMESPACE
00203 

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