#include <b2FrictionJoint.h>
Public Member Functions | |
| void | Dump () |
| Dump joint to dmLog. | |
| b2Vec2 | GetAnchorA () const |
| Get the anchor point on bodyA in world coordinates. | |
| b2Vec2 | GetAnchorB () const |
| Get the anchor point on bodyB in world coordinates. | |
| 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. | |
| float32 | GetMaxForce () const |
| Get the maximum friction force in N. | |
| float32 | GetMaxTorque () const |
| Get the maximum friction torque in N*m. | |
| 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. | |
| void | SetMaxForce (float32 force) |
| Set the maximum friction force in N. | |
| void | SetMaxTorque (float32 torque) |
| Set the maximum friction torque in N*m. | |
Protected Member Functions | |
| b2FrictionJoint (const b2FrictionJointDef *def) | |
| void | InitVelocityConstraints (const b2SolverData &data) |
| bool | SolvePositionConstraints (const b2SolverData &data) |
| void | SolveVelocityConstraints (const b2SolverData &data) |
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 |
Friends | |
| class | b2Joint |
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 | ) | [protected, virtual] |
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 | ) | [protected, virtual] |
Implements b2Joint.
Definition at line 188 of file b2FrictionJoint.cpp.
| void b2FrictionJoint::SolveVelocityConstraints | ( | const b2SolverData & | data | ) | [protected, virtual] |
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: