/*   
Vob.java
 *    
 *    Copyright (c) 2000, Ted Nelson and Tuomas Lukka
 *
 *    You may use and distribute under the terms of either the GNU Lesser
 *    General Public License, either version 2 of the license or,
 *    at your choice, any later version. Alternatively, you may use and
 *    distribute under the terms of the XPL.
 *
 *    See the LICENSE.lgpl and LICENSE.xpl files for the specific terms of 
 *    the licenses.
 *
 *    This software is distributed in the hope that it will be useful,
 *    but WITHOUT ANY WARRANTY; without even the implied warranty of
 *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the README
 *    file for more details.
 *
 */
/*
 * Written by Tuomas Lukka
 */
package org.gzigzag;
import java.util.*;
import java.awt.*;

/** A connection to draw between two vobs.
 *  This doesn't need to store the vob coordinates, so the same Connection
 *  object can actually be used to draw many connections.
 */

public abstract class Vob extends Renderable {
public static final String rcsid = "$Id: Connection.java,v 1.1 2001/01/20 08:56:19 bfallenstein Exp $";

    /** Render this connection between the given vobs.
     *  Default: render nothing.
     */
    public void render(Graphics g, Vob v1, int x1, int y1,
				   Vob v2, int x2, int y2) {
    }

    /** Returns an object telling what was hit.
     * Default implementation: returns null.
     * XXX interaction with coords?
     */
    public Object hit(Vob v1, Vob v2) { return null; }
}