org.jbox2d.dynamics.joints.FrictionJointDef Maven / Gradle / Ivy
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* Copyright (c) 2011, Daniel Murphy
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/**
* 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(){
type = 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);
}
}