#include <b2FrictionJoint.h>

Inheritance diagram for b2FrictionJoint:

Public Member Functions
void	Dump ()
	Dump joint to dmLog. More...

b2Vec2	GetAnchorA () const
	Get the anchor point on bodyA in world coordinates. More...

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

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

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

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

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

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

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

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

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

Public Member Functions inherited from b2Joint
b2Body *	GetBodyA ()
	Get the first body attached to this joint. More...

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

bool	GetCollideConnected () const

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

const b2Joint *	GetNext () const

b2JointType	GetType () const
	Get the type of the concrete joint. More...

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

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

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

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

Protected Member Functions
	b2FrictionJoint (const b2FrictionJointDef *def)

void	InitVelocityConstraints (const b2SolverData &data)

bool	SolvePositionConstraints (const b2SolverData &data)

void	SolveVelocityConstraints (const b2SolverData &data)

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

virtual	~b2Joint ()

Protected Attributes
float32	m_angularImpulse

float32	m_angularMass

int32	m_indexA

int32	m_indexB

float32	m_invIA

float32	m_invIB

float32	m_invMassA

float32	m_invMassB

b2Vec2	m_linearImpulse

b2Mat22	m_linearMass

b2Vec2	m_localAnchorA

b2Vec2	m_localAnchorB

b2Vec2	m_localCenterA

b2Vec2	m_localCenterB

float32	m_maxForce

float32	m_maxTorque

b2Vec2	m_rA

b2Vec2	m_rB

Protected Attributes inherited from b2Joint
b2Body *	m_bodyA

b2Body *	m_bodyB

bool	m_collideConnected

b2JointEdge	m_edgeA

b2JointEdge	m_edgeB

int32	m_index

bool	m_islandFlag

b2Joint *	m_next

b2Joint *	m_prev

b2JointType	m_type

void *	m_userData

Friends
class	b2Joint

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.

Definition at line 55 of file b2FrictionJoint.h.

Constructor & Destructor Documentation

b2FrictionJoint::b2FrictionJoint ( const b2FrictionJointDef * def )

protected

Definition at line 43 of file b2FrictionJoint.cpp.

Member Function Documentation

void b2FrictionJoint::Dump ( )

virtual

Dump joint to dmLog.

Reimplemented from b2Joint.

Definition at line 237 of file b2FrictionJoint.cpp.

b2Vec2 b2FrictionJoint::GetAnchorA ( ) const

virtual

Get the anchor point on bodyA in world coordinates.

Implements b2Joint.

Definition at line 195 of file b2FrictionJoint.cpp.

b2Vec2 b2FrictionJoint::GetAnchorB ( ) const

virtual

Get the anchor point on bodyB in world coordinates.

Implements b2Joint.

Definition at line 200 of file b2FrictionJoint.cpp.

const b2Vec2& b2FrictionJoint::GetLocalAnchorA ( ) const

inline

The local anchor point relative to bodyA's origin.

Definition at line 65 of file b2FrictionJoint.h.

const b2Vec2& b2FrictionJoint::GetLocalAnchorB ( ) const

inline

The local anchor point relative to bodyB's origin.

Definition at line 68 of file b2FrictionJoint.h.

float32 b2FrictionJoint::GetMaxForce ( ) const

Get the maximum friction force in N.

Definition at line 221 of file b2FrictionJoint.cpp.

float32 b2FrictionJoint::GetMaxTorque ( ) const

Get the maximum friction torque in N*m.

Definition at line 232 of file b2FrictionJoint.cpp.

b2Vec2 b2FrictionJoint::GetReactionForce ( float32 inv_dt ) const

virtual

Get the reaction force on bodyB at the joint anchor in Newtons.

Implements b2Joint.

Definition at line 205 of file b2FrictionJoint.cpp.

float32 b2FrictionJoint::GetReactionTorque ( float32 inv_dt ) const

virtual

Get the reaction torque on bodyB in N*m.

Implements b2Joint.

Definition at line 210 of file b2FrictionJoint.cpp.

void b2FrictionJoint::InitVelocityConstraints ( const b2SolverData & data )

protectedvirtual

Implements b2Joint.

Definition at line 56 of file b2FrictionJoint.cpp.

void b2FrictionJoint::SetMaxForce ( float32 force )

Set the maximum friction force in N.

Definition at line 215 of file b2FrictionJoint.cpp.

void b2FrictionJoint::SetMaxTorque ( float32 torque )

Set the maximum friction torque in N*m.

Definition at line 226 of file b2FrictionJoint.cpp.

bool b2FrictionJoint::SolvePositionConstraints ( const b2SolverData & data )

protectedvirtual

Implements b2Joint.

Definition at line 188 of file b2FrictionJoint.cpp.

void b2FrictionJoint::SolveVelocityConstraints ( const b2SolverData & data )

protectedvirtual

Implements b2Joint.

Definition at line 131 of file b2FrictionJoint.cpp.

Friends And Related Function Documentation

friend class b2Joint

friend

Definition at line 87 of file b2FrictionJoint.h.

Member Data Documentation

float32 b2FrictionJoint::m_angularImpulse

protected

Definition at line 100 of file b2FrictionJoint.h.

float32 b2FrictionJoint::m_angularMass

protected

Definition at line 116 of file b2FrictionJoint.h.

int32 b2FrictionJoint::m_indexA

protected

Definition at line 105 of file b2FrictionJoint.h.

int32 b2FrictionJoint::m_indexB

protected

Definition at line 106 of file b2FrictionJoint.h.

float32 b2FrictionJoint::m_invIA

protected

Definition at line 113 of file b2FrictionJoint.h.

float32 b2FrictionJoint::m_invIB

protected

Definition at line 114 of file b2FrictionJoint.h.

float32 b2FrictionJoint::m_invMassA

protected

Definition at line 111 of file b2FrictionJoint.h.

float32 b2FrictionJoint::m_invMassB

protected

Definition at line 112 of file b2FrictionJoint.h.

b2Vec2 b2FrictionJoint::m_linearImpulse

protected

Definition at line 99 of file b2FrictionJoint.h.

b2Mat22 b2FrictionJoint::m_linearMass

protected

Definition at line 115 of file b2FrictionJoint.h.

b2Vec2 b2FrictionJoint::m_localAnchorA

protected

Definition at line 95 of file b2FrictionJoint.h.

b2Vec2 b2FrictionJoint::m_localAnchorB

protected

Definition at line 96 of file b2FrictionJoint.h.

b2Vec2 b2FrictionJoint::m_localCenterA

protected

Definition at line 109 of file b2FrictionJoint.h.

b2Vec2 b2FrictionJoint::m_localCenterB

protected

Definition at line 110 of file b2FrictionJoint.h.

float32 b2FrictionJoint::m_maxForce

protected

Definition at line 101 of file b2FrictionJoint.h.

float32 b2FrictionJoint::m_maxTorque

protected

Definition at line 102 of file b2FrictionJoint.h.

b2Vec2 b2FrictionJoint::m_rA

protected

Definition at line 107 of file b2FrictionJoint.h.

b2Vec2 b2FrictionJoint::m_rB

protected

Definition at line 108 of file b2FrictionJoint.h.

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

Public Member Functions

Protected Member Functions

Protected Attributes

Friends

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Friends And Related Function Documentation

Member Data Documentation