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Box2D
2.2.1
Box2D API Reference for Kobold2D developers
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#include <b2FrictionJoint.h>
Inheritance diagram for b2FrictionJoint: Collaboration diagram for b2FrictionJoint: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. | |
Protected Member Functions | |
| b2FrictionJoint (const b2FrictionJointDef *def) | |
| void | InitVelocityConstraints (const b2SolverData &data) |
| void | SolveVelocityConstraints (const b2SolverData &data) |
| bool | SolvePositionConstraints (const b2SolverData &data) |
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 |
Friends | |
| class | b2Joint |
Friction joint. This is used for top-down friction. It provides 2D translational friction and angular friction.
| void b2FrictionJoint::Dump | ( | ) | [virtual] |
Dump joint to dmLog.
Reimplemented from b2Joint.
| b2Vec2 b2FrictionJoint::GetAnchorA | ( | ) | const [virtual] |
Get the anchor point on bodyA in world coordinates.
Implements b2Joint.
| b2Vec2 b2FrictionJoint::GetAnchorB | ( | ) | const [virtual] |
Get the anchor point on bodyB in world coordinates.
Implements b2Joint.
| const b2Vec2& b2FrictionJoint::GetLocalAnchorA | ( | ) | const [inline] |
The local anchor point relative to bodyA's origin.
| const b2Vec2& b2FrictionJoint::GetLocalAnchorB | ( | ) | const [inline] |
The local anchor point relative to bodyB's origin.
| float32 b2FrictionJoint::GetMaxForce | ( | ) | const |
Get the maximum friction force in N.
| float32 b2FrictionJoint::GetMaxTorque | ( | ) | const |
Get the maximum friction torque in N*m.
| b2Vec2 b2FrictionJoint::GetReactionForce | ( | float32 | inv_dt | ) | const [virtual] |
Get the reaction force on bodyB at the joint anchor in Newtons.
Implements b2Joint.
| float32 b2FrictionJoint::GetReactionTorque | ( | float32 | inv_dt | ) | const [virtual] |
Get the reaction torque on bodyB in N*m.
Implements b2Joint.
| void b2FrictionJoint::SetMaxForce | ( | float32 | force | ) |
Set the maximum friction force in N.
| void b2FrictionJoint::SetMaxTorque | ( | float32 | torque | ) |
Set the maximum friction torque in N*m.
1.7.5 
