Re: Small Java Applet freezing web browser

I am curious if anyone can help point out what I am doing wrong. I
assume I am not clearing a resource correctly which is causing the
hangup. I am just experimenting with applets right now and decided to
make one that does projectile motion for practice.

About 9 out of 10 times the applet runs, I have to force quit the
browser to get it to close (jsp server is linux tomcat, desktop is
windows XP IE and mozilla).

I appreciate the help.

package applets;

import java.awt.*;
import java.applet.*;

public class ProjectileAnimation extends Applet {
       double Xo = 0.0;
       double Yo = 0.0;
       double Vo = 0.0;
       double x = 0.0;
       double y = 0.0;
       double theta = 0.0;
       int t = 0;

   public void init() {
       setBackground(Color.white);
   }

   public void start() {

   }

   public void paint( Graphics g ) {
       Vo = Double.parseDouble(getParameter("Vo"));
       theta = Double.parseDouble(getParameter("theta"));
       g.setColor(Color.black);
       g.drawLine(0,0,0,410);
       g.drawLine(0,409,710,409);
       while ((int)Math.round(y) >= 0)
       {
               x = Vo * Math.cos(Math.toRadians(theta)) * t;
               y = .5 * -9.8 * Math.pow(t, 2) + Vo * t + Yo;
               y = 500 - y;
               g.fillOval((int)Math.round(x), (int)Math.round(y), 5,
5);
               t++;

               try
               {
                       Thread.sleep(1000);
                       Thread.sleep(0);
               } catch (InterruptedException e)
               {
               }
       }
   }