import java.io.InputStream;
import java.applet.Applet;
import java.awt.*;
import java.net.*;

public
class SimpleAnimate extends Applet implements Runnable {

	Image	img[];
	Thread	duke	= null;
	int	nimg	= 0;
	int	x	= 0; 
	int	frame	= 0;

	// THESE COULD BE PASSED IN AS APPLET PARAMETERS
	
	int		left_margin = 30;
	int		top_margin  = 20;
	int		pause	    = 100;
	int		move_right  = 10;
	int		total_frames= 50;
     
    public void init() {
	img  	= new Image[2];
	img[0]	= getImage(getDocumentBase(), "images/Simple/T1.gif");
	img[1]	= getImage(getDocumentBase(), "images/Simple/T2.gif");
    }

    public void run() {

	    while (duke != null) {
			frame++;
			nimg++;

			if (frame >= total_frames) 
		    	frame = 0;

			if (nimg > 1)
				nimg = 0;
			
			x = left_margin + (frame * move_right);

			repaint();

			try {
		    		Thread.sleep(pause);
			} catch (InterruptedException e) {
		    		break;
			}
	    }
    }

    public void paint(Graphics g) {
	    g.drawImage(img[nimg], x, top_margin, this);
    }

    public void start() {
	duke = new Thread(this);
	duke.start();
    }

    public void stop() {
	duke.stop();
	duke = null;
    }
}