/*******************************************************************************
* Copyright (c) 2013, Daniel Murphy
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
******************************************************************************/
/**
* Created at 7:23:39 AM Jan 20, 2011
*/
package org.jbox2d.dynamics.joints;
import org.jbox2d.common.Vec2;
import org.jbox2d.dynamics.Body;
/**
* Friction joint definition.
*
* @author Daniel Murphy
*/
public class FrictionJointDef extends JointDef {
/**
* The local anchor point relative to bodyA's origin.
*/
public final Vec2 localAnchorA;
/**
* The local anchor point relative to bodyB's origin.
*/
public final Vec2 localAnchorB;
/**
* The maximum friction force in N.
*/
public float maxForce;
/**
* The maximum friction torque in N-m.
*/
public float maxTorque;
public FrictionJointDef() {
super(JointType.FRICTION);
localAnchorA = new Vec2();
localAnchorB = new Vec2();
maxForce = 0f;
maxTorque = 0f;
}
/**
* Initialize the bodies, anchors, axis, and reference angle using the world anchor and world
* axis.
*/
public void initialize(Body bA, Body bB, Vec2 anchor) {
bodyA = bA;
bodyB = bB;
bA.getLocalPointToOut(anchor, localAnchorA);
bB.getLocalPointToOut(anchor, localAnchorB);
}
}