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 00020 00021 00022 #ifndef SPHERE_HPP 00023 #define SPHERE_HPP 00024 00025 #include <object3d.hpp> 00026 #include <v3.hpp> 00027 00028 namespace cpe 00029 { 00030 00031 class ray; 00032 00034 class sphere : public object3d 00035 { 00036 public: 00037 00038 // ********************************************* // 00039 // ********************************************* // 00040 // CONSTRUCTOR 00041 // ********************************************* // 00042 // ********************************************* // 00043 00045 sphere(); 00047 sphere(const v3& x0,const double& r); 00048 00050 virtual ~sphere(); 00051 00052 00053 // ********************************************* // 00054 // ********************************************* // 00055 // Accessor 00056 // ********************************************* // 00057 // ********************************************* // 00058 00060 const double& radius() const; 00061 00063 const v3& center() const; 00064 00065 // ********************************************* // 00066 // ********************************************* // 00067 // INTERSECTION 00068 // ********************************************* // 00069 // ********************************************* // 00070 00072 virtual std::vector<intersection_data> intersect(const ray& seg) const; 00073 00074 private: 00075 00076 // ********************************************* // 00077 // ********************************************* // 00078 // INTERNAL DATA 00079 // ********************************************* // 00080 // ********************************************* // 00081 00083 v3 x0; 00085 double r; 00086 }; 00087 } 00088 00089 #endif