/*******************************************************************************
* 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;
import com.badlogic.gdx.math.Vector2;
/** This is used to compute the current state of a contact manifold. */
public class WorldManifold {
protected final Vector2 normal = new Vector2();
protected final Vector2[] points = {new Vector2(), new Vector2()};
protected final float[] separations = new float[2];
protected int numContactPoints;
protected WorldManifold () {
}
/** Returns the normal of this manifold */
public Vector2 getNormal () {
return normal;
}
/** Returns the contact points of this manifold. Use getNumberOfContactPoints to determine how many contact points there are
* (0,1 or 2) */
public Vector2[] getPoints () {
return points;
}
/** Returns the separations of this manifold, a negative value indicates overlap, in meters. Use getNumberOfContactPoints to
* determine how many separations there are (0,1 or 2) */
public float[] getSeparations () {
return separations;
}
/** @return the number of contact points */
public int getNumberOfContactPoints () {
return numContactPoints;
}
}