b2Shape.h
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1 /*
2 * Copyright (c) 2006-2009 Erin Catto http://www.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_SHAPE_H
20 #define B2_SHAPE_H
21 
23 #include <Box2D/Common/b2Math.h>
25 
27 struct b2MassData
28 {
31 
34 
37 };
38 
42 class b2Shape
43 {
44 public:
45 
46  enum Type
47  {
48  e_circle = 0,
49  e_edge = 1,
50  e_polygon = 2,
51  e_chain = 3,
52  e_typeCount = 4
53  };
54 
55  virtual ~b2Shape() {}
56 
58  virtual b2Shape* Clone(b2BlockAllocator* allocator) const = 0;
59 
62  Type GetType() const;
63 
65  virtual int32 GetChildCount() const = 0;
66 
70  virtual bool TestPoint(const b2Transform& xf, const b2Vec2& p) const = 0;
71 
77  virtual bool RayCast(b2RayCastOutput* output, const b2RayCastInput& input,
78  const b2Transform& transform, int32 childIndex) const = 0;
79 
84  virtual void ComputeAABB(b2AABB* aabb, const b2Transform& xf, int32 childIndex) const = 0;
85 
90  virtual void ComputeMass(b2MassData* massData, float32 density) const = 0;
91 
94 };
95 
97 {
98  return m_type;
99 }
100 
101 #endif
GLenum GLenum GLenum input
float32 I
The rotational inertia of the shape about the local origin.
Definition: b2Shape.h:36
Ray-cast input data. The ray extends from p1 to p1 + maxFraction * (p2 - p1).
Definition: b2Collision.h:147
b2Vec2 center
The position of the shape&#39;s centroid relative to the shape&#39;s origin.
Definition: b2Shape.h:33
float32 m_radius
Definition: b2Shape.h:93
A 2D column vector.
Definition: b2Math.h:52
virtual ~b2Shape()
Definition: b2Shape.h:55
GLuint GLenum GLenum transform
signed int int32
Definition: b2Settings.h:31
float32 mass
The mass of the shape, usually in kilograms.
Definition: b2Shape.h:30
Type GetType() const
Definition: b2Shape.h:96
GLfloat GLfloat p
An axis aligned bounding box.
Definition: b2Collision.h:162
Type m_type
Definition: b2Shape.h:92
This holds the mass data computed for a shape.
Definition: b2Shape.h:27
float float32
Definition: b2Settings.h:35


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autogenerated on Fri May 7 2021 03:05:51