/*******************************************************************************
* 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;
/** Contact impulses for reporting. Impulses are used instead of forces because sub-step forces may approach infinity for rigid
* body collisions. These match up one-to-one with the contact points in b2Manifold.
* @author mzechner */
public class ContactImpulse {
org.jbox2d.callbacks.ContactImpulse impulse;
float[] tmp = new float[2];
final float[] normalImpulses = new float[2];
final float[] tangentImpulses = new float[2];
ContactImpulse () {
}
public float[] getNormalImpulses () {
for (int i = 0; i < impulse.count; i++) {
normalImpulses[i] = impulse.normalImpulses[i];
}
return normalImpulses;
}
public float[] getTangentImpulses () {
for (int i = 0; i < impulse.count; i++) {
tangentImpulses[i] = impulse.tangentImpulses[i];
}
return tangentImpulses;
}
public int getCount () {
return impulse.count;
}
}