Public Member Functions | Protected Member Functions | Protected Attributes | Friends | List of all members
b2FrictionJoint Class Reference

#include <b2FrictionJoint.h>

Inheritance diagram for b2FrictionJoint:
Inheritance graph
[legend]

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 b2Vec2GetLocalAnchorA () const
 The local anchor point relative to bodyA's origin. More...
 
const b2Vec2GetLocalAnchorB () 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
b2BodyGetBodyA ()
 Get the first body attached to this joint. More...
 
b2BodyGetBodyB ()
 Get the second body attached to this joint. More...
 
bool GetCollideConnected () const
 
b2JointGetNext ()
 Get the next joint the world joint list. More...
 
const b2JointGetNext () const
 
b2JointType GetType () const
 Get the type of the concrete joint. More...
 
voidGetUserData () 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
b2Bodym_bodyA
 
b2Bodym_bodyB
 
bool m_collideConnected
 
b2JointEdge m_edgeA
 
b2JointEdge m_edgeB
 
int32 m_index
 
bool m_islandFlag
 
b2Jointm_next
 
b2Jointm_prev
 
b2JointType m_type
 
voidm_userData
 

Friends

class b2Joint
 

Additional Inherited Members

- Static Protected Member Functions inherited from b2Joint
static b2JointCreate (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:


mvsim
Author(s):
autogenerated on Fri May 7 2021 03:05:52