sphere.hpp
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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