WeldJointDef.java

/*******************************************************************************
 * Copyright 2011 See AUTHORS file.
 * 
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 * 
 * http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
 * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
 * specific language governing permissions and limitations under the License.
 ******************************************************************************/

package com.badlogic.gdx.physics.box2d.joints;

import com.badlogic.gdx.math.Vector2;
import com.badlogic.gdx.physics.box2d.Body;
import com.badlogic.gdx.physics.box2d.JointDef;

public class WeldJointDef extends JointDef {
	public WeldJointDef() {
		type = JointType.WeldJoint;
	}

	// / Initialize the bodies, anchors, and reference angle using a world
	// / anchor point.
	public void initialize(Body body1, Body body2, Vector2 anchor) {
		this.bodyA = body1;
		this.bodyB = body2;
		this.localAnchorA.set(body1.getLocalPoint(anchor));
		this.localAnchorB.set(body2.getLocalPoint(anchor));
		referenceAngle = body2.getAngle() - body1.getAngle();
	}

	// / The local anchor point relative to body1's origin.
	public final Vector2 localAnchorA = new Vector2();

	// / The local anchor point relative to body2's origin.
	public final Vector2 localAnchorB = new Vector2();

	// / The body2 angle minus body1 angle in the reference state (radians).
	public float referenceAngle = 0;
}