/*
 * File: GBall.java
 * ----------------
 * This file defines a GObject class that represents a ball.
 */

import acm.graphics.*;

/**
 * This class defines a GObject subclass that represents a ball
 * whose reference point is the center rather than the upper
 * left corner.
 */
public class GBall extends GCompound {

/** Creates a new ball with radius r centered at the origin */
	public GBall(double r) {
		GOval ball = new GOval(2 * r, 2 * r);
		ball.setFilled(true);
		add(ball, -r, -r);
		markAsComplete();
	}

/** Creates a new ball with radius r centered at (x, y) */
	public GBall(double r, double x, double y) {
		this(r);
		setLocation(x, y);
	}
}