org.jbox2d.dynamics.joints
Class LineJoint

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

public class LineJoint
extends Joint

Author:
Daniel Murphy

Field Summary
 Vec2 m_localAnchor1
           
 Vec2 m_localAnchor2
           
 Vec2 m_localXAxis1
           
 
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
LineJoint(IWorldPool argPool, LineJointDef def)
           
 
Method Summary
 void EnableLimit(boolean flag)
           
 void EnableMotor(boolean flag)
           
 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.
 float getJointSpeed()
           
 float getJointTranslation()
           
 float getLowerLimit()
           
 float getMaxMotorForce()
           
 float getMotorForce()
           
 float getMotorSpeed()
           
 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.
 float getUpperLimit()
           
 void initVelocityConstraints(TimeStep step)
           
 boolean isLimitEnabled()
           
 boolean isMotorEnabled()
           
 void setLimits(float lower, float upper)
           
 void setMaxMotorForce(float force)
           
 void setMotorSpeed(float speed)
           
 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
 

Field Detail

m_localAnchor1

public final Vec2 m_localAnchor1

m_localAnchor2

public final Vec2 m_localAnchor2

m_localXAxis1

public final Vec2 m_localXAxis1
Constructor Detail

LineJoint

public LineJoint(IWorldPool argPool,
                 LineJointDef def)
Method Detail

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)

getJointTranslation

public float getJointTranslation()

getJointSpeed

public float getJointSpeed()

isLimitEnabled

public boolean isLimitEnabled()

EnableLimit

public void EnableLimit(boolean flag)

getLowerLimit

public float getLowerLimit()

getUpperLimit

public float getUpperLimit()

setLimits

public void setLimits(float lower,
                      float upper)

isMotorEnabled

public boolean isMotorEnabled()

EnableMotor

public void EnableMotor(boolean flag)

setMotorSpeed

public void setMotorSpeed(float speed)

getMotorSpeed

public float getMotorSpeed()

setMaxMotorForce

public void setMaxMotorForce(float force)

getMaxMotorForce

public float getMaxMotorForce()

getMotorForce

public float getMotorForce()

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)


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