package ballWorlds.framework;

import ballWorlds.Ball;

/**
 * TODO Put here a description of this class: what its objects are and/or do.
 * @author mutchler.  Created Sep 20, 2009.
 */
public class BallRunner implements Runnable {
	private Ball ballToRun;
	private int timeToSleepBetweenActs = 5;	// milliseconds
	
	/**
	 * Milliseconds to sleep between repaints of the World and its Balls.
	 */
	public static final int TIME_TO_SLEEP_BETWEEN_REPAINTS = 10; // milliseconds

	/**
	 * FIXME
	 * @param worldView
	 *            The WorldView that this WorldDrawer repeatedly asks to
	 *            repaint.
	 */
	public BallRunner(Ball ballToRun) {
		this.ballToRun = ballToRun;
		
		new Thread(this).start();
	}

	/**
	 * Repeatedly asks this WorldDrawer's WorldView to repaint (i.e., to redraw
	 * its associated World and Balls).
	 */
	public void run() {
		while (true) {
			try {
				this.ballToRun.act();
				Thread.sleep(this.timeToSleepBetweenActs);
			} catch (InterruptedException exception) {
				// If you can't sleep, no problem -- just continue.
			}
		}
	}
}