00001 /* 00002 ** TP 4ETI CPE Lyon 00003 ** Copyright (C) 2012 Damien Rohmer 00004 ** 00005 ** This program is free software: you can redistribute it and/or modify 00006 ** it under the terms of the GNU General Public License as published by 00007 ** the Free Software Foundation, either version 3 of the License, or 00008 ** (at your option) any later version. 00009 ** 00010 ** This program is distributed in the hope that it will be useful, 00011 ** but WITHOUT ANY WARRANTY; without even the implied warranty of 00012 ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00013 ** GNU General Public License for more details. 00014 ** 00015 ** You should have received a copy of the GNU General Public License 00016 ** along with this program. If not, see <http://www.gnu.org/licenses/>. 00017 */ 00018 00019 #ifndef CAMERA_HPP 00020 #define CAMERA_HPP 00021 00022 #include <v3.hpp> 00023 00024 namespace cpe 00025 { 00026 class p2d; 00027 00029 class camera 00030 { 00031 public: 00032 00033 // ********************************************* // 00034 // ********************************************* // 00035 // Constructor 00036 // ********************************************* // 00037 // ********************************************* // 00038 00040 camera(const v3& center=v3(0,0,-2),const v3& direction=v3(0,0,1),const v3& up=v3(0,1,0),const double& dist_screen=2.0,const double& length_screen=4.0); 00041 00042 // ********************************************* // 00043 // ********************************************* // 00044 // Access parameters 00045 // ********************************************* // 00046 // ********************************************* // 00047 00049 const v3& get_center() const; 00051 const v3& get_direction() const; 00053 const v3& get_up() const; 00055 const double& get_dist_screen() const; 00057 const double& get_length_screen() const; 00058 00059 // ********************************************* // 00060 // ********************************************* // 00061 // Compute position on the screen 00062 // ********************************************* // 00063 // ********************************************* // 00064 00066 v3 get_screen_coordinate(const double& u,const double& v) const; 00067 00068 private: 00069 00071 v3 p; 00073 v3 dir; 00075 v3 up; 00077 double dist_screen; 00079 double length_screen; 00080 }; 00081 } 00082 00083 #endif