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

/**
 * Pattern1.java
 *
 *
 * Created: Wed Nov 10 15:43:01 1999
 *
 * @author S. J. Ambler
 * @version
 */

public class Pattern1 extends Applet { 

  public void paint(Graphics g) {

    // Colour the background white.

    g.setColor(Color.white);
    g.fillRect(0,0,600,300);

    // Generate a new spirograph pattern.

    Spiro p = new Spiro(150,100);

    // Initial settings

    p.setHole(25);
    p.setTooth(37);
    p.setCoord(150,150);

    // Do the following 150 times

    for (int x=0; x<150; x++) {

      // Alternate the color of the pen between green and blue

      if (x%2 == 0) p.setPen(Color.green);
      else p.setPen(Color.blue);

      // Draw the pattern

      p.drawOn(g);

      // Now shift to the right and rotate the starting position
      // by one tooth.

      p.shift(2,0);
      p.rotate(1);
    }
  }


} // Pattern1