1 /*
2  Copyright (C) 2010-2014 Kristian Duske
3 
4  This file is part of TrenchBroom.
5 
6  TrenchBroom is free software: you can redistribute it and/or modify
7  it under the terms of the GNU General Public License as published by
8  the Free Software Foundation, either version 3 of the License, or
9  (at your option) any later version.
10 
11  TrenchBroom is distributed in the hope that it will be useful,
12  but WITHOUT ANY WARRANTY; without even the implied warranty of
13  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14  GNU General Public License for more details.
15 
16  You should have received a copy of the GNU General Public License
17  along with TrenchBroom. If not, see <http://www.gnu.org/licenses/>.
18  */
19 
20 #ifndef TrenchBroom_Circle
21 #define TrenchBroom_Circle
22 
23 #include "TrenchBroom.h"
24 #include "VecMath.h"
25 #include "Renderer/VertexArray.h"
26 
27 namespace TrenchBroom {
28     namespace Renderer {
29         class Vbo;
30 
31         class Circle {
32         private:
33             VertexArray m_array;
34             bool m_filled;
35         public:
36             Circle(float radius, size_t segments, bool filled);
37             Circle(float radius, size_t segments, bool filled, float startAngle, float angleLength);
38             Circle(float radius, size_t segments, bool filled, Math::Axis::Type axis, const Vec3f& startAxis, const Vec3f& endAxis);
39             Circle(float radius, size_t segments, bool filled, Math::Axis::Type axis, float startAngle, float angleLength);
40 
41             bool prepared() const;
42             void prepare(Vbo& vbo);
43             void render();
44         private:
45             void init3D(float radius, size_t segments, Math::Axis::Type axis, float startAngle, float angleLength);
46             void init2D(float radius, size_t segments, float startAngle, float angleLength);
47         };
48     }
49 }
50 
51 #endif /* defined(TrenchBroom_Circle) */
52