#include <b2_weld_joint.h>

Inheritance diagram for b2WeldJoint:

Public Member Functions
void	Dump () override
	Dump to b2Log. More...

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

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

float	GetDamping () const

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...

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

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

float	GetReferenceAngle () const
	Get the reference angle. More...

float	GetStiffness () const

void	SetDamping (float damping)
	Set/get damping in Nms. More...

void	SetStiffness (float hz)
	Set/get stiffness in N*m. More...

Public Member Functions inherited from b2Joint
virtual void	Draw (b2Draw *draw) const
	Debug draw this joint. More...

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...

b2JointUserData &	GetUserData ()
	Get the user data pointer. More...

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

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

Protected Member Functions
	b2WeldJoint (const b2WeldJointDef *def)

void	InitVelocityConstraints (const b2SolverData &data) override

bool	SolvePositionConstraints (const b2SolverData &data) override

void	SolveVelocityConstraints (const b2SolverData &data) override

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

virtual	~b2Joint ()

Protected Attributes
float	m_bias

float	m_damping

float	m_gamma

b2Vec3	m_impulse

int32	m_indexA

int32	m_indexB

float	m_invIA

float	m_invIB

float	m_invMassA

float	m_invMassB

b2Vec2	m_localAnchorA

b2Vec2	m_localAnchorB

b2Vec2	m_localCenterA

b2Vec2	m_localCenterB

b2Mat33	m_mass

b2Vec2	m_rA

b2Vec2	m_rB

float	m_referenceAngle

float	m_stiffness

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

b2JointUserData	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

A weld joint essentially glues two bodies together. A weld joint may distort somewhat because the island constraint solver is approximate.

Definition at line 69 of file b2_weld_joint.h.

Constructor & Destructor Documentation

◆ b2WeldJoint()

b2WeldJoint::b2WeldJoint ( const b2WeldJointDef * def )

protected

Definition at line 50 of file b2_weld_joint.cpp.

Member Function Documentation

◆ Dump()

void b2WeldJoint::Dump ( )

overridevirtual

Dump to b2Log.

Reimplemented from b2Joint.

Definition at line 329 of file b2_weld_joint.cpp.

◆ GetAnchorA()

b2Vec2 b2WeldJoint::GetAnchorA ( ) const

overridevirtual

Get the anchor point on bodyA in world coordinates.

Implements b2Joint.

Definition at line 308 of file b2_weld_joint.cpp.

◆ GetAnchorB()

b2Vec2 b2WeldJoint::GetAnchorB ( ) const

overridevirtual

Get the anchor point on bodyB in world coordinates.

Implements b2Joint.

Definition at line 313 of file b2_weld_joint.cpp.

◆ GetDamping()

float b2WeldJoint::GetDamping ( ) const

inline

Definition at line 93 of file b2_weld_joint.h.

◆ GetLocalAnchorA()

const b2Vec2& b2WeldJoint::GetLocalAnchorA ( ) const

inline

The local anchor point relative to bodyA's origin.

Definition at line 79 of file b2_weld_joint.h.

◆ GetLocalAnchorB()

const b2Vec2& b2WeldJoint::GetLocalAnchorB ( ) const

inline

The local anchor point relative to bodyB's origin.

Definition at line 82 of file b2_weld_joint.h.

◆ GetReactionForce()

b2Vec2 b2WeldJoint::GetReactionForce ( float inv_dt ) const

overridevirtual

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

Implements b2Joint.

Definition at line 318 of file b2_weld_joint.cpp.

◆ GetReactionTorque()

float b2WeldJoint::GetReactionTorque ( float inv_dt ) const

overridevirtual

Get the reaction torque on bodyB in N*m.

Implements b2Joint.

Definition at line 324 of file b2_weld_joint.cpp.

◆ GetReferenceAngle()

float b2WeldJoint::GetReferenceAngle ( ) const

inline

Get the reference angle.

Definition at line 85 of file b2_weld_joint.h.

◆ GetStiffness()

float b2WeldJoint::GetStiffness ( ) const

inline

Definition at line 89 of file b2_weld_joint.h.

◆ InitVelocityConstraints()

void b2WeldJoint::InitVelocityConstraints ( const b2SolverData & data )

overrideprotectedvirtual

Implements b2Joint.

Definition at line 62 of file b2_weld_joint.cpp.

◆ SetDamping()

void b2WeldJoint::SetDamping ( float damping )

inline

Set/get damping in N*m*s.

Definition at line 92 of file b2_weld_joint.h.

◆ SetStiffness()

void b2WeldJoint::SetStiffness ( float hz )

inline

Set/get stiffness in N*m.

Definition at line 88 of file b2_weld_joint.h.

◆ SolvePositionConstraints()

bool b2WeldJoint::SolvePositionConstraints ( const b2SolverData & data )

overrideprotectedvirtual

Implements b2Joint.

Definition at line 227 of file b2_weld_joint.cpp.

◆ SolveVelocityConstraints()

void b2WeldJoint::SolveVelocityConstraints ( const b2SolverData & data )

overrideprotectedvirtual

Implements b2Joint.

Definition at line 169 of file b2_weld_joint.cpp.

Friends And Related Function Documentation

◆ b2Joint

friend class b2Joint

friend

Definition at line 100 of file b2_weld_joint.h.

Member Data Documentation

◆ m_bias

float b2WeldJoint::m_bias

protected

Definition at line 110 of file b2_weld_joint.h.

◆ m_damping

float b2WeldJoint::m_damping

protected

Definition at line 109 of file b2_weld_joint.h.

◆ m_gamma

float b2WeldJoint::m_gamma

protected

Definition at line 116 of file b2_weld_joint.h.

◆ m_impulse

b2Vec3 b2WeldJoint::m_impulse

protected

Definition at line 117 of file b2_weld_joint.h.

◆ m_indexA

int32 b2WeldJoint::m_indexA

protected

Definition at line 120 of file b2_weld_joint.h.

◆ m_indexB

int32 b2WeldJoint::m_indexB

protected

Definition at line 121 of file b2_weld_joint.h.

◆ m_invIA

float b2WeldJoint::m_invIA

protected

Definition at line 128 of file b2_weld_joint.h.

◆ m_invIB

float b2WeldJoint::m_invIB

protected

Definition at line 129 of file b2_weld_joint.h.

◆ m_invMassA

float b2WeldJoint::m_invMassA

protected

Definition at line 126 of file b2_weld_joint.h.

◆ m_invMassB

float b2WeldJoint::m_invMassB

protected

Definition at line 127 of file b2_weld_joint.h.

◆ m_localAnchorA

b2Vec2 b2WeldJoint::m_localAnchorA

protected

Definition at line 113 of file b2_weld_joint.h.

◆ m_localAnchorB

b2Vec2 b2WeldJoint::m_localAnchorB

protected

Definition at line 114 of file b2_weld_joint.h.

◆ m_localCenterA

b2Vec2 b2WeldJoint::m_localCenterA

protected

Definition at line 124 of file b2_weld_joint.h.

◆ m_localCenterB

b2Vec2 b2WeldJoint::m_localCenterB

protected

Definition at line 125 of file b2_weld_joint.h.

◆ m_mass

b2Mat33 b2WeldJoint::m_mass

protected

Definition at line 130 of file b2_weld_joint.h.

◆ m_rA

b2Vec2 b2WeldJoint::m_rA

protected

Definition at line 122 of file b2_weld_joint.h.

◆ m_rB

b2Vec2 b2WeldJoint::m_rB

protected

Definition at line 123 of file b2_weld_joint.h.

◆ m_referenceAngle

float b2WeldJoint::m_referenceAngle

protected

Definition at line 115 of file b2_weld_joint.h.

◆ m_stiffness

float b2WeldJoint::m_stiffness

protected

Definition at line 108 of file b2_weld_joint.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

◆ b2WeldJoint()

Member Function Documentation

◆ Dump()

◆ GetAnchorA()

◆ GetAnchorB()

◆ GetDamping()

◆ GetLocalAnchorA()

◆ GetLocalAnchorB()

◆ GetReactionForce()

◆ GetReactionTorque()

◆ GetReferenceAngle()

◆ GetStiffness()

◆ InitVelocityConstraints()

◆ SetDamping()

◆ SetStiffness()

◆ SolvePositionConstraints()

◆ SolveVelocityConstraints()

Friends And Related Function Documentation

◆ b2Joint

Member Data Documentation

◆ m_bias

◆ m_damping

◆ m_gamma

◆ m_impulse

◆ m_indexA

◆ m_indexB

◆ m_invIA

◆ m_invIB

◆ m_invMassA

◆ m_invMassB

◆ m_localAnchorA

◆ m_localAnchorB

◆ m_localCenterA

◆ m_localCenterB

◆ m_mass

◆ m_rA

◆ m_rB

◆ m_referenceAngle

◆ m_stiffness