Box2D  2.2.1
A 2D Physics Engine for Games
Public Member Functions | Public Attributes
b2CircleShape Class Reference

A circle shape. More...

#include <b2CircleShape.h>

Inheritance diagram for b2CircleShape:
b2Shape

List of all members.

Public Member Functions

b2ShapeClone (b2BlockAllocator *allocator) const
 Implement b2Shape.
int32 GetChildCount () const
bool TestPoint (const b2Transform &transform, const b2Vec2 &p) const
 Implement b2Shape.
bool RayCast (b2RayCastOutput *output, const b2RayCastInput &input, const b2Transform &transform, int32 childIndex) const
 Implement b2Shape.
void ComputeAABB (b2AABB *aabb, const b2Transform &transform, int32 childIndex) const
void ComputeMass (b2MassData *massData, float32 density) const
int32 GetSupport (const b2Vec2 &d) const
 Get the supporting vertex index in the given direction.
const b2Vec2GetSupportVertex (const b2Vec2 &d) const
 Get the supporting vertex in the given direction.
int32 GetVertexCount () const
 Get the vertex count.
const b2Vec2GetVertex (int32 index) const
 Get a vertex by index. Used by b2Distance.

Public Attributes

b2Vec2 m_p
 Position.

Detailed Description

A circle shape.


Member Function Documentation

void b2CircleShape::ComputeAABB ( b2AABB aabb,
const b2Transform transform,
int32  childIndex 
) const [virtual]
See also:
b2Shape::ComputeAABB

Implements b2Shape.

void b2CircleShape::ComputeMass ( b2MassData massData,
float32  density 
) const [virtual]
See also:
b2Shape::ComputeMass

Implements b2Shape.

int32 b2CircleShape::GetChildCount ( ) const [virtual]
See also:
b2Shape::GetChildCount

Implements b2Shape.


The documentation for this class was generated from the following files:
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