Inherits b2Joint.

Public Member Functions
b2Vec2	GetAnchorA () const
	Get the anchor point on bodyA in world coordinates.

b2Vec2	GetAnchorB () const
	Get the anchor point on bodyB in world coordinates.

b2Vec2	GetReactionForce (float32 inv_dt) const
	Get the reaction force on bodyB at the joint anchor in Newtons.

float32	GetReactionTorque (float32 inv_dt) const
	Get the reaction torque on bodyB in N*m.

const b2Vec2 &	GetLocalAnchorA () const
	The local anchor point relative to bodyA's origin.

const b2Vec2 &	GetLocalAnchorB () const
	The local anchor point relative to bodyB's origin.

void	SetMaxForce (float32 force)
	Set the maximum friction force in N.

float32	GetMaxForce () const
	Get the maximum friction force in N.

void	SetMaxTorque (float32 torque)
	Set the maximum friction torque in N*m.

float32	GetMaxTorque () const
	Get the maximum friction torque in N*m.

void	Dump ()
	Dump joint to dmLog.

Public Member Functions inherited from b2Joint
b2JointType	GetType () const
	Get the type of the concrete joint.

b2Body *	GetBodyA ()
	Get the first body attached to this joint.

b2Body *	GetBodyB ()
	Get the second body attached to this joint.

b2Joint *	GetNext ()
	Get the next joint the world joint list.

const b2Joint *	GetNext () const

void *	GetUserData () const
	Get the user data pointer.

void	SetUserData (void *data)
	Set the user data pointer.

bool	IsActive () const
	Short-cut function to determine if either body is inactive.

bool	GetCollideConnected () const

virtual void	ShiftOrigin (const b2Vec2 &newOrigin)
	Shift the origin for any points stored in world coordinates.

Protected Member Functions
	b2FrictionJoint (const b2FrictionJointDef *def)

void	InitVelocityConstraints (const b2SolverData &data)

void	SolveVelocityConstraints (const b2SolverData &data)

bool	SolvePositionConstraints (const b2SolverData &data)

Protected Member Functions inherited from b2Joint
	b2Joint (const b2JointDef *def)

Protected Attributes
b2Vec2	m_localAnchorA

b2Vec2	m_localAnchorB

b2Vec2	m_linearImpulse

float32	m_angularImpulse

float32	m_maxForce

float32	m_maxTorque

int32	m_indexA

int32	m_indexB

b2Vec2	m_rA

b2Vec2	m_rB

b2Vec2	m_localCenterA

b2Vec2	m_localCenterB

float32	m_invMassA

float32	m_invMassB

float32	m_invIA

float32	m_invIB

b2Mat22	m_linearMass

float32	m_angularMass

Protected Attributes inherited from b2Joint
b2JointType	m_type

b2Joint *	m_prev

b2Joint *	m_next

b2JointEdge	m_edgeA

b2JointEdge	m_edgeB

b2Body *	m_bodyA

b2Body *	m_bodyB

int32	m_index

bool	m_islandFlag

bool	m_collideConnected

void *	m_userData

Additional Inherited Members
Static Protected Member Functions inherited from b2Joint
static b2Joint *	Create (const b2JointDef def, b2BlockAllocator allocator)

static void	Destroy (b2Joint joint, b2BlockAllocator allocator)

Detailed Description

Friction joint. This is used for top-down friction. It provides 2D translational friction and angular friction.

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

Public Member Functions