b2EdgeShape.h
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1 /*
2 * Copyright (c) 2006-2010 Erin Catto http://www.box2d.org
3 *
4 * This software is provided 'as-is', without any express or implied
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8 * including commercial applications, and to alter it and redistribute it
9 * freely, subject to the following restrictions:
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14 * 2. Altered source versions must be plainly marked as such, and must not be
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17 */
18 
19 #ifndef B2_EDGE_SHAPE_H
20 #define B2_EDGE_SHAPE_H
21 
23 
27 class b2EdgeShape : public b2Shape
28 {
29 public:
30  b2EdgeShape();
31 
33  void Set(const b2Vec2& v1, const b2Vec2& v2);
34 
36  b2Shape* Clone(b2BlockAllocator* allocator) const;
37 
39  int32 GetChildCount() const;
40 
42  bool TestPoint(const b2Transform& transform, const b2Vec2& p) const;
43 
45  bool RayCast(b2RayCastOutput* output, const b2RayCastInput& input,
46  const b2Transform& transform, int32 childIndex) const;
47 
49  void ComputeAABB(b2AABB* aabb, const b2Transform& transform, int32 childIndex) const;
50 
52  void ComputeMass(b2MassData* massData, float32 density) const;
53 
56 
60 };
61 
63 {
64  m_type = e_edge;
66  m_vertex0.x = 0.0f;
67  m_vertex0.y = 0.0f;
68  m_vertex3.x = 0.0f;
69  m_vertex3.y = 0.0f;
70  m_hasVertex0 = false;
71  m_hasVertex3 = false;
72 }
73 
74 #endif
void ComputeMass(b2MassData *massData, float32 density) const
bool RayCast(b2RayCastOutput *output, const b2RayCastInput &input, const b2Transform &transform, int32 childIndex) const
Implement b2Shape.
Definition: b2EdgeShape.cpp:54
bool TestPoint(const b2Transform &transform, const b2Vec2 &p) const
Definition: b2EdgeShape.cpp:43
GLenum GLenum GLenum input
GLfloat GLfloat v1
int32 GetChildCount() const
Definition: b2EdgeShape.cpp:38
Ray-cast input data. The ray extends from p1 to p1 + maxFraction * (p2 - p1).
Definition: b2Collision.h:147
GLfloat GLfloat GLfloat v2
#define b2_polygonRadius
Definition: b2Settings.h:77
b2Vec2 m_vertex0
Optional adjacent vertices. These are used for smooth collision.
Definition: b2EdgeShape.h:58
float32 m_radius
Definition: b2Shape.h:93
A 2D column vector.
Definition: b2Math.h:52
GLuint GLenum GLenum transform
signed int int32
Definition: b2Settings.h:31
bool m_hasVertex0
Definition: b2EdgeShape.h:59
GLfloat GLfloat p
b2Vec2 m_vertex3
Definition: b2EdgeShape.h:58
b2Shape * Clone(b2BlockAllocator *allocator) const
Implement b2Shape.
Definition: b2EdgeShape.cpp:30
float32 y
Definition: b2Math.h:139
An axis aligned bounding box.
Definition: b2Collision.h:162
b2Vec2 m_vertex1
These are the edge vertices.
Definition: b2EdgeShape.h:55
Type m_type
Definition: b2Shape.h:92
b2Vec2 m_vertex2
Definition: b2EdgeShape.h:55
void ComputeAABB(b2AABB *aabb, const b2Transform &transform, int32 childIndex) const
void Set(const b2Vec2 &v1, const b2Vec2 &v2)
Set this as an isolated edge.
Definition: b2EdgeShape.cpp:22
float32 x
Definition: b2Math.h:139
This holds the mass data computed for a shape.
Definition: b2Shape.h:27
float float32
Definition: b2Settings.h:35
bool m_hasVertex3
Definition: b2EdgeShape.h:59


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autogenerated on Fri May 7 2021 03:05:51