org.jbox2d.dynamics.contacts.ContactEdge Maven / Gradle / Ivy

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 * Copyright (c) 2013, Daniel Murphy
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 * 
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package org.jbox2d.dynamics.contacts;

import org.jbox2d.dynamics.Body;

/**
 * A contact edge is used to connect bodies and contacts together in a contact graph where each body
 * is a node and each contact is an edge. A contact edge belongs to a doubly linked list maintained
 * in each attached body. Each contact has two contact nodes, one for each attached body.
 * 
 * @author daniel
 */
public class ContactEdge {

  /**
   * provides quick access to the other body attached.
   */
  public Body other = null;

  /**
   * the contact
   */
  public Contact contact = null;

  /**
   * the previous contact edge in the body's contact list
   */
  public ContactEdge prev = null;

  /**
   * the next contact edge in the body's contact list
   */
  public ContactEdge next = null;
}