b2Draw.h
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1 /*
2 * Copyright (c) 2011 Erin Catto http://box2d.org
3 *
4 * This software is provided 'as-is', without any express or implied
5 * warranty. In no event will the authors be held liable for any damages
6 * arising from the use of this software.
7 * Permission is granted to anyone to use this software for any purpose,
8 * including commercial applications, and to alter it and redistribute it
9 * freely, subject to the following restrictions:
10 * 1. The origin of this software must not be misrepresented; you must not
11 * claim that you wrote the original software. If you use this software
12 * in a product, an acknowledgment in the product documentation would be
13 * appreciated but is not required.
14 * 2. Altered source versions must be plainly marked as such, and must not be
15 * misrepresented as being the original software.
16 * 3. This notice may not be removed or altered from any source distribution.
17 */
18 
19 #ifndef B2_DRAW_H
20 #define B2_DRAW_H
21 
22 #include <Box2D/Common/b2Math.h>
23 
25 struct b2Color
26 {
27  b2Color() {}
28  b2Color(float32 r, float32 g, float32 b, float32 a = 1.0f) : r(r), g(g), b(b), a(a) {}
29  void Set(float32 ri, float32 gi, float32 bi, float32 ai = 1.0f) { r = ri; g = gi; b = bi; a = ai; }
30  float32 r, g, b, a;
31 };
32 
35 class b2Draw
36 {
37 public:
38  b2Draw();
39 
40  virtual ~b2Draw() {}
41 
42  enum
43  {
44  e_shapeBit = 0x0001,
45  e_jointBit = 0x0002,
46  e_aabbBit = 0x0004,
47  e_pairBit = 0x0008,
48  e_centerOfMassBit = 0x0010
49  };
50 
52  void SetFlags(uint32 flags);
53 
55  uint32 GetFlags() const;
56 
58  void AppendFlags(uint32 flags);
59 
61  void ClearFlags(uint32 flags);
62 
64  virtual void DrawPolygon(const b2Vec2* vertices, int32 vertexCount, const b2Color& color) = 0;
65 
67  virtual void DrawSolidPolygon(const b2Vec2* vertices, int32 vertexCount, const b2Color& color) = 0;
68 
70  virtual void DrawCircle(const b2Vec2& center, float32 radius, const b2Color& color) = 0;
71 
73  virtual void DrawSolidCircle(const b2Vec2& center, float32 radius, const b2Vec2& axis, const b2Color& color) = 0;
74 
76  virtual void DrawSegment(const b2Vec2& p1, const b2Vec2& p2, const b2Color& color) = 0;
77 
80  virtual void DrawTransform(const b2Transform& xf) = 0;
81 
82 protected:
84 };
85 
86 #endif
GLboolean GLboolean GLboolean GLboolean a
float32 g
Definition: b2Draw.h:30
GLboolean GLboolean g
float32 r
Definition: b2Draw.h:30
A 2D column vector.
Definition: b2Math.h:52
void Set(float32 ri, float32 gi, float32 bi, float32 ai=1.0f)
Definition: b2Draw.h:29
Color for debug drawing. Each value has the range [0,1].
Definition: b2Draw.h:25
virtual ~b2Draw()
Definition: b2Draw.h:40
signed int int32
Definition: b2Settings.h:31
Definition: b2Draw.h:35
unsigned int uint32
Definition: b2Settings.h:34
GLuint color
float32 a
Definition: b2Draw.h:30
uint32 m_drawFlags
Definition: b2Draw.h:83
b2Color(float32 r, float32 g, float32 b, float32 a=1.0f)
Definition: b2Draw.h:28
float32 b
Definition: b2Draw.h:30
GLdouble GLdouble GLdouble r
b2Color()
Definition: b2Draw.h:27
GLdouble GLdouble GLdouble b
float float32
Definition: b2Settings.h:35
GLdouble GLdouble GLdouble GLdouble GLdouble GLdouble f


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autogenerated on Fri May 7 2021 03:05:51