sphere.hpp
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1 /*
2 ** TP CPE Lyon
3 ** Copyright (C) 2013 Damien Rohmer
4 **
5 ** This program is free software: you can redistribute it and/or modify
6 ** it under the terms of the GNU General Public License as published by
7 ** the Free Software Foundation, either version 3 of the License, or
8 ** (at your option) any later version.
9 **
10 ** This program is distributed in the hope that it will be useful,
11 ** but WITHOUT ANY WARRANTY; without even the implied warranty of
12 ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 ** GNU General Public License for more details.
14 **
15 ** You should have received a copy of the GNU General Public License
16 ** along with this program. If not, see <http://www.gnu.org/licenses/>.
17 */
18 
19 
20 
21 
22 #ifndef SPHERE_HPP
23 #define SPHERE_HPP
24 
25 #include <object3d.hpp>
26 #include <vec3.hpp>
27 
28 namespace cpe
29 {
30 
31  class ray;
32 
34  class sphere : public object3d
35  {
36  public:
37 
38  // ********************************************* //
39  // ********************************************* //
40  // CONSTRUCTOR
41  // ********************************************* //
42  // ********************************************* //
43 
45  sphere(const vec3& center=vec3(),float radius=1.0);
46 
48  virtual ~sphere();
49 
50 
51  // ********************************************* //
52  // ********************************************* //
53  // Accessor
54  // ********************************************* //
55  // ********************************************* //
56 
58  double radius() const;
59 
61  const vec3& center() const;
62 
63  // ********************************************* //
64  // ********************************************* //
65  // INTERSECTION
66  // ********************************************* //
67  // ********************************************* //
68 
70  virtual bool intersect(const ray& ray_data,intersection& intersection_data) const;
71 
72  private:
73 
74  // ********************************************* //
75  // ********************************************* //
76  // INTERNAL DATA
77  // ********************************************* //
78  // ********************************************* //
79 
83  float r;
84  };
85 
86 
87 }
88 
89 #endif