import java.awt.*;

public class moving extends BufferedApplet
{
   int w = 0, h = 0;
   double time0 = 0;

   // IF YOU'RE REALLY AMBITIOUS, YOU CAN COUNT SECONDS BY:

   double getTime() { return System.currentTimeMillis() / 1000.0; }

   public void render(Graphics g) {
      if (w == 0) {
	 w = bounds().width;
	 h = bounds().height;
         time0 = getTime();
      }

      g.setColor(Color.white);
      g.fillRect(0,0,w,h);

      g.setColor(Color.black);

      int c = (int)(100 * Math.cos(2 * getTime()));
      int s = (int)(100 * Math.cos(getTime()));
      g.drawRect(100 + c, 100 + s, 50, 50);

      //System.err.println( (getTime() - time0) );

      animating = true;
   }
}