//File:	Surprise.java
import CSLib.*;
import java.awt.*;

public class Surprise
{
	// Surprise with an exploding balloon
  	// Author: Rachel McDermott, September 27, 1996

  	DrawingBox board;
  	
  	int 	width,
  		height, 
      		dmax;     // The maximum diameter circle

  	public void setup ()
  	{
  		board	= 	new DrawingBox("Surpriser");

    		width 	= 	board.getDrawableWidth();
    		height 	= 	board.getDrawableHeight();
    		dmax 	= 	(int)Math.min(width, height);
  	}

  	public void draw ()
  	{
  		board.setColor(Color.yellow);

    		int diameter=0;
    		while (diameter < dmax)
    		{
    			board.fillOval((width-diameter)/2, (height-diameter)/2, 
                      			diameter, diameter); 
      			Timer.pause(10);	// sleep for 10 msec
			
			diameter++;
		}
    		
    		board.setColor(Color.red);
    		board.drawString("Surprise!", (width-53)/2, (height+14)/2);
  	}
}