import java.util.Hashtable;
import java.io.*;
import awt.*;
import net.www.html.*;
import browser.*;
import browser.audio.*;

class Bounce extends Applet implements Runnable {
    Image image;
    boolean done;
    AudioData sound;
    int x = 10;
    int y = 10;
    int YSpeed = 0;
    int XSpeed = 1;
    int YAccel = 1;
    int EnergyLoss = 4;

    public void run() {
	long lasttime;
	play(sound);
	try {
	   sound = getAudioData("audio/bubble1.au");
	   image = getImage("images/ball.gif");
	   Thread.sleep(1000);
	   lasttime = System.nowMillis();
	    while (!done) {
		long now = System.nowMillis();
		long deltaT = now - lasttime;
		x+=XSpeed;
		y+=YSpeed;
		YSpeed+=YAccel;
		if (x<=0) XSpeed=Math.abs(XSpeed);
		if (x<0) x=0;
		if (x+image.width >= width) XSpeed=-Math.abs(XSpeed);
		if (x+image.width > width) x=width-image.width;
		if (y+image.height >= height-1) {
		   YSpeed=-Math.abs(YSpeed)+EnergyLoss;
		   if (YSpeed>0) YSpeed=0;
		   else play(sound);
		}
		if (y+image.height > height-1) y=height-image.height-1;
		if (y<=0) YSpeed=Math.abs(YSpeed);
		if (y<0) y=0;
		repaint();
		lasttime = now;
		Thread.sleep(33);
	    }
	} finally {
	}

    }

    public void init() {
	if ((width <= 100) || (height <= 100)) {
	    resize(500, 300);
	}
    }

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

    public void stop() {
	done = true;
    }

    public void paint(Graphics g) {
	g.setForeground(Color.gray);
	g.drawRect(0, 0, width - 1, height - 1);
	if (image != null) {
	   g.drawImage(image, (int)x, (int)y);

	}
    }
}