/*******************************************************************************
* 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.physics.box2d.Joint;
import com.badlogic.gdx.physics.box2d.World;
/**
* A rope joint enforces a maximum distance between two points on two bodies. It has no other effect. Warning: if you
* attempt to change the maximum length during the simulation you will get some non-physical behavior. A model that
* would allow you to dynamically modify the length would have some sponginess, so I chose not to implement it that way.
* See b2DistanceJoint if you want to dynamically control length.
*/
public class RopeJoint extends Joint {
// @off
/*JNI
#include <Box2D/Box2D.h>
*/
public RopeJoint(World world, long addr) {
super(world, addr);
}
/** Get the maximum length of the rope. */
public float getMaxLength() {
return jniGetMaxLength(addr);
}
private native float jniGetMaxLength(long addr); /*
b2RopeJoint* rope = (b2RopeJoint*)addr;
return rope->GetMaxLength();
*/
/** Set the maximum length of the rope. */
public void setMaxLength(float length) {
jniSetMaxLength(addr, length);
}
private native float jniSetMaxLength(long addr, float length); /*
b2RopeJoint* rope = (b2RopeJoint*)addr;
rope->SetMaxLength(length);
*/
}