|
Box2D
2.2.1
A 2D Physics Engine for Games
|
#include <b2FrictionJoint.h>
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.
1.7.5.1