Class FrictionJoint

java.lang.Object
org.jbox2d.dynamics.joints.Joint
org.jbox2d.dynamics.joints.FrictionJoint
public class FrictionJoint extends Joint

  • Field Details

    • m_localAnchorA

      private final Vec2 m_localAnchorA

    • m_localAnchorB

      private final Vec2 m_localAnchorB

    • m_linearImpulse

      private final Vec2 m_linearImpulse

    • m_angularImpulse

      private float m_angularImpulse

    • m_maxForce

      private float m_maxForce

    • m_maxTorque

      private float m_maxTorque

    • m_indexA

      private int m_indexA

    • m_indexB

      private int m_indexB

    • m_rA

      private final Vec2 m_rA

    • m_rB

      private final Vec2 m_rB

    • m_localCenterA

      private final Vec2 m_localCenterA

    • m_localCenterB

      private final Vec2 m_localCenterB

    • m_invMassA

      private float m_invMassA

    • m_invMassB

      private float m_invMassB

    • m_invIA

      private float m_invIA

    • m_invIB

      private float m_invIB

    • m_linearMass

      private final Mat22 m_linearMass

    • m_angularMass

      private float m_angularMass

  • Constructor Details

  • Method Details

    • getLocalAnchorA

      public Vec2 getLocalAnchorA()

    • getLocalAnchorB

      public Vec2 getLocalAnchorB()

    • getAnchorA

      public void getAnchorA(Vec2 argOut)
      Description copied from class: Joint
      get the anchor point on bodyA in world coordinates.
      Specified by:
      getAnchorA in class Joint

    • getAnchorB

      public void getAnchorB(Vec2 argOut)
      Description copied from class: Joint
      get the anchor point on bodyB in world coordinates.
      Specified by:
      getAnchorB in class Joint

    • getReactionForce

      public void getReactionForce(float inv_dt, Vec2 argOut)
      Description copied from class: Joint
      get the reaction force on body2 at the joint anchor in Newtons.
      Specified by:
      getReactionForce in class Joint
      Parameters:
      inv_dt -

    • getReactionTorque

      public float getReactionTorque(float inv_dt)
      Description copied from class: Joint
      get the reaction torque on body2 in N*m.
      Specified by:
      getReactionTorque in class Joint
      Parameters:
      inv_dt -
      Returns:

    • setMaxForce

      public void setMaxForce(float force)

    • getMaxForce

      public float getMaxForce()

    • setMaxTorque

      public void setMaxTorque(float torque)

    • getMaxTorque

      public float getMaxTorque()

    • initVelocityConstraints

      public void initVelocityConstraints(SolverData data)
      Specified by:
      initVelocityConstraints in class Joint
      See Also:
      • invalid reference 
        org.jbox2d.dynamics.joints.Joint#initVelocityConstraints(org.jbox2d.dynamics.TimeStep)

    • solveVelocityConstraints

      public void solveVelocityConstraints(SolverData data)
      Specified by:
      solveVelocityConstraints in class Joint

    • solvePositionConstraints

      public boolean solvePositionConstraints(SolverData data)
      Description copied from class: Joint
      This returns true if the position errors are within tolerance.
      Specified by:
      solvePositionConstraints in class Joint
      Returns: