b2CircleShape Class Reference

A circle shape. More...

#include <b2CircleShape.h>

Inheritance diagram for b2CircleShape:

List of all members.

Public Member Functions
	b2CircleShape ()
b2Shape *	Clone (b2BlockAllocator *allocator) const
	Implement b2Shape.
bool	TestPoint (const b2Transform &transform, const b2Vec2 &p) const
	Implement b2Shape.
bool	RayCast (b2RayCastOutput *output, const b2RayCastInput &input, const b2Transform &transform) const
	Implement b2Shape.
void	ComputeAABB (b2AABB *aabb, const b2Transform &transform) const
void	ComputeMass (b2MassData *massData, float32 density) const
int32	GetSupport (const b2Vec2 &d) const
	Get the supporting vertex index in the given direction.
const b2Vec2 &	GetSupportVertex (const b2Vec2 &d) const
	Get the supporting vertex in the given direction.
int32	GetVertexCount () const
	Get the vertex count.
const b2Vec2 &	GetVertex (int32 index) const
	Get a vertex by index. Used by b2Distance.
Public Attributes
b2Vec2	m_p
	Position.

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Detailed Description

A circle shape.

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Constructor & Destructor Documentation

b2CircleShape::b2CircleShape

(

)

[inline]

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Member Function Documentation

b2Shape * b2CircleShape::Clone

(

b2BlockAllocator *

allocator

)

const [virtual]

Implement b2Shape.

Implements b2Shape.

void b2CircleShape::ComputeAABB	(	b2AABB *	aabb,
		const b2Transform &	transform
	)			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::GetSupport

(

const b2Vec2 &

d

)

const [inline]

Get the supporting vertex index in the given direction.

const b2Vec2 & b2CircleShape::GetSupportVertex

(

const b2Vec2 &

d

)

const [inline]

Get the supporting vertex in the given direction.

const b2Vec2 & b2CircleShape::GetVertex

(

int32

index

)

const [inline]

Get a vertex by index. Used by b2Distance.

int32 b2CircleShape::GetVertexCount

(

)

const [inline]

Get the vertex count.

bool b2CircleShape::RayCast	(	b2RayCastOutput *	output,
		const b2RayCastInput &	input,
		const b2Transform &	transform
	)			const [virtual]

Implement b2Shape.

Implements b2Shape.

bool b2CircleShape::TestPoint	(	const b2Transform &	transform,
		const b2Vec2 &	p
	)			const [virtual]

Implement b2Shape.

Implements b2Shape.

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Member Data Documentation

b2Vec2 b2CircleShape::m_p

Position.

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

• Box2D/Box2D/Collision/Shapes/b2CircleShape.h
• Box2D/Box2D/Collision/Shapes/b2CircleShape.cpp