/* * Circle2.java */package EDU.cmu.cs.coral.util;import java.io.*;import java.lang.*;import java.util.*;import EDU.gatech.cc.is.util.*;/** * A class for manipulating Circle2.   *   * <P> * <A HREF="../COPYRIGHT.html">Copyright</A> * (c)1998 Tucker Balch and Carnegie Mellon University * * @author Rosemary Emery * @version $Revision: 1.1 $ */public class Circle2 implements Cloneable, Serializable	{	public Vec2 centre; 	public double radius;	public Circle2()		{		centre = new Vec2(0.0,0.0);		radius = 0;		}	public Circle2(Vec2 origin, double rad)		{		centre = new Vec2(origin);		radius = rad;		}	public Circle2(double x, double y, double rad)		{		centre = new Vec2(x,y);		radius = rad;		}	public Circle2(Circle2 c)		{		centre = new Vec2(c.centre);		radius = c.radius;		}	/**	 * Create a new Circle2 by cloning.	 * @param c Circle2, the Circle2 to copy.	 */	public 	Object clone()		{		return(new Circle2(this));		}	/**	 * translate the Circle2 to a new origin 	 * @param offset, the new origin of the translated Circle2       */	public void offsetSimCircle(Vec2 offset)		{			centre.add(offset);		}	}