00001 00004 00005 // 00006 // Copyright (c) 2004-2007 University of Southern California 00007 // Rob Peters <rjpeters at usc dot edu> 00008 // 00009 // created: Thu Oct 28 16:53:38 2004 00010 // commit: $Id: projection.h 10065 2007-04-12 05:54:56Z rjpeters $ 00011 // $HeadURL: file:///lab/rjpeters/svnrepo/code/trunk/groovx/src/geom/projection.h $ 00012 // 00013 // -------------------------------------------------------------------- 00014 // 00015 // This file is part of GroovX. 00016 // [http://ilab.usc.edu/rjpeters/groovx/] 00017 // 00018 // GroovX is free software; you can redistribute it and/or modify it 00019 // under the terms of the GNU General Public License as published by 00020 // the Free Software Foundation; either version 2 of the License, or 00021 // (at your option) any later version. 00022 // 00023 // GroovX is distributed in the hope that it will be useful, but 00024 // WITHOUT ANY WARRANTY; without even the implied warranty of 00025 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00026 // General Public License for more details. 00027 // 00028 // You should have received a copy of the GNU General Public License 00029 // along with GroovX; if not, write to the Free Software Foundation, 00030 // Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. 00031 // 00033 00034 #ifndef GROOVX_GEOM_PROJECTION_H_UTC20050626084022_DEFINED 00035 #define GROOVX_GEOM_PROJECTION_H_UTC20050626084022_DEFINED 00036 00037 namespace geom 00038 { 00039 class txform; 00040 template <class T> class rect; 00041 template <class T> class vec3; 00042 00043 vec3<double> unproject(const txform& modelview, 00044 const txform& projection, 00045 const rect<int>& viewport, 00046 const vec3<double>& screen_pos); 00047 00048 vec3<double> project(const txform& modelview, 00049 const txform& projection, 00050 const rect<int>& viewport, 00051 const vec3<double>& world_pos); 00052 } 00053 00054 static const char __attribute__((used)) vcid_groovx_geom_projection_h_utc20050626084022[] = "$Id: projection.h 10065 2007-04-12 05:54:56Z rjpeters $ $HeadURL: file: 00055 #endif // !GROOVX_GEOM_PROJECTION_H_UTC20050626084022_DEFINED