b2DistanceProxy Struct Reference

#include <b2Distance.h>

Collaboration diagram for b2DistanceProxy:

List of all members.

Public Member Functions
void	Set (const b2Shape *shape, int32 index)
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_buffer [2]
const b2Vec2 *	m_vertices
int32	m_count
float32	m_radius

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Detailed Description

A distance proxy is used by the GJK algorithm. It encapsulates any shape.

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Member Function Documentation

int32 b2DistanceProxy::GetSupport

(

const b2Vec2 &

d

)

const [inline]

Get the supporting vertex index in the given direction.

const b2Vec2 & b2DistanceProxy::GetSupportVertex

(

const b2Vec2 &

d

)

const [inline]

Get the supporting vertex in the given direction.

const b2Vec2 & b2DistanceProxy::GetVertex

(

int32

index

)

const [inline]

Get a vertex by index. Used by b2Distance.

int32 b2DistanceProxy::GetVertexCount

(

)

const [inline]

Get the vertex count.

void b2DistanceProxy::Set	(	const b2Shape *	shape,
		int32	index
	)

Initialize the proxy using the given shape. The shape must remain in scope while the proxy is in use.

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The documentation for this struct was generated from the following file:

• b2Distance.h