/* * NodeVec2.java */package EDU.gatech.cc.is.clay;import java.lang.*;import EDU.gatech.cc.is.util.Vec2;/** * A Node that returns Vec2 values. * <P> * For detailed information on how to configure behaviors, see the * <A HREF="../clay/docs/index.html">Clay page</A>. * <P> * <A HREF="../COPYRIGHT.html">Copyright</A> * (c)1997, 1998 Tucker Balch * * @author Tucker Balch * @version $Revision: 1.1 $ */public abstract class NodeVec2 extends Node	{	/**	 * Get the Vec2 value.	 * If you implement a NodeVec2, you need to define	 * this method.	 *	 * @param timestamp long, the time of the request	 */        public abstract Vec2 Value(long timestamp);        }