// Lars Sorensen TYJava in 21 days
// excode from pg 184, the swirling colors
//
//  
//

  import java.awt.Graphics;
  import java.awt.Font;
  import java.awt.Color;
 
  public class ColorSwirl extends java.applet.Applet
         implements Runnable
     {
	
	Font theFont = new Font("TimesRoman", Font.BOLD, 48);
        Color colors[] = new Color[50];
	Thread runner;

      public void start()
        {
	  if (runner == null )
            {
              runner = new Thread(this);
              runner.start();
            }
        } // end of start

      public void stop()
        {
	  if (runner != null )
            {
              runner.stop();
              runner = null;
            }
        } // end of stop

       public void run()
         {

	   // init the color array

             float c = 0;
             for (int i = 0; i < colors.length; i++ )
                {
                  colors[i] = Color.getHSBColor(c, (float)1.0,(float)1.0);
                  c += .02;
                }

           // cycle through the colors....

              int i = 0;
              while (true)
                {
                  setForeground(colors[i]);
                  repaint();
                  i++;
                  try { Thread.sleep(50); }
                  catch (InterruptedException e) { }
                  if ( i == colors.length ) i = 0;
                }

          } // end of run


	public void paint(Graphics g)
          {

            g.setFont(theFont);
            g.drawString(" M E T A L L I C A ", 15, 50);

          } // end of paint


     // Overiding the update method to get rid of flicker

        public void update(Graphics g)
          {
           paint(g);
          } // end of overriden update 


     } // end of ColorSwirl.