org.jbox2d.dynamics.joints
Class FrictionJoint

java.lang.Object
  extended by org.jbox2d.dynamics.joints.Joint
      extended by org.jbox2d.dynamics.joints.FrictionJoint

public class FrictionJoint
extends Joint

Author:
Daniel Murphy

Field Summary
 
Fields inherited from class org.jbox2d.dynamics.joints.Joint
m_bodyA, m_bodyB, m_collideConnected, m_edgeA, m_edgeB, m_islandFlag, m_next, m_prev, m_type, m_userData, pool
 
Constructor Summary
FrictionJoint(IWorldPool argWorldPool, FrictionJointDef def)
           
 
Method Summary
 void getAnchorA(Vec2 argOut)
          get the anchor point on bodyA in world coordinates.
 void getAnchorB(Vec2 argOut)
          get the anchor point on bodyB in world coordinates.
 Vec2 getLocalAnchorA()
           
 Vec2 getLocalAnchorB()
           
 float getMaxForce()
           
 float getMaxTorque()
           
 void getReactionForce(float inv_dt, Vec2 argOut)
          get the reaction force on body2 at the joint anchor in Newtons.
 float getReactionTorque(float inv_dt)
          get the reaction torque on body2 in N*m.
 void initVelocityConstraints(TimeStep step)
           
 void setMaxForce(float force)
           
 void setMaxTorque(float torque)
           
 boolean solvePositionConstraints(float baumgarte)
          This returns true if the position errors are within tolerance.
 void solveVelocityConstraints(TimeStep step)
           
 
Methods inherited from class org.jbox2d.dynamics.joints.Joint
create, destroy, destructor, getBodyA, getBodyB, getNext, getType, getUserData, IsActive, setUserData
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

FrictionJoint

public FrictionJoint(IWorldPool argWorldPool,
                     FrictionJointDef def)
Parameters:
argWorldPool -
def -
Method Detail

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
See Also:
Joint.getAnchorA(org.jbox2d.common.Vec2)

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
See Also:
Joint.getAnchorB(org.jbox2d.common.Vec2)

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
See Also:
Joint.getReactionForce(float, org.jbox2d.common.Vec2)

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
Returns:
See Also:
Joint.getReactionTorque(float)

setMaxForce

public void setMaxForce(float force)

getMaxForce

public float getMaxForce()

setMaxTorque

public void setMaxTorque(float torque)

getMaxTorque

public float getMaxTorque()

initVelocityConstraints

public void initVelocityConstraints(TimeStep step)
Specified by:
initVelocityConstraints in class Joint
See Also:
Joint.initVelocityConstraints(org.jbox2d.dynamics.TimeStep)

solveVelocityConstraints

public void solveVelocityConstraints(TimeStep step)
Specified by:
solveVelocityConstraints in class Joint
See Also:
Joint.solveVelocityConstraints(org.jbox2d.dynamics.TimeStep)

solvePositionConstraints

public boolean solvePositionConstraints(float baumgarte)
Description copied from class: Joint
This returns true if the position errors are within tolerance.

Specified by:
solvePositionConstraints in class Joint
Returns:
See Also:
Joint.solvePositionConstraints(float)


Copyright © 2012. All Rights Reserved.