// -----------------------------------------------------------------
// imports
// -----------------------------------------------------------------

import java.awt.Graphics2D;
import javax.swing.JPanel;
import javax.swing.JFrame;
import java.awt.Graphics;

// -----------------------------------------------------------------
// Tiling - Based upon "snub square tiling", for additional
//          information see:
//
//             https://en.wikipedia.org/wiki/Snub_square_tiling
//          
// -----------------------------------------------------------------

public class Tiling extends JPanel
{
   public void paintComponent(Graphics g)
   {
      super.paintComponent(g);

      Graphics2D g2d = (Graphics2D)g;

      int w = getWidth();
      int h = getHeight();

      int size = Math.min(w, h) / 20;

      // -----------------------------------------------------------------
      // Create our initial, top-level square
      // -----------------------------------------------------------------

      int xc = w / 2;
      int yc = w / 2;
      
      int x0 = xc - size / 2;
      int y0 = yc - size / 2;

      int x1 = xc + size / 2;
      int y1 = yc + size / 2;

      Square top = new Square(
         new XY(x0, y0), new XY(x0, y1), new XY(x1, y1), new XY(x1, y0)
      );

      // -----------------------------------------------------------------
      // Create our neighbors and render the image
      // -----------------------------------------------------------------

      top.makeNeighbors(7);
      top.draw(g2d);
   }

   // -----------------------------------------------------------------
   // main
   // -----------------------------------------------------------------

   public static void main(String[] args)
   {
      JFrame frame = new JFrame("Tiling");
      frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

      frame.add(new Tiling());
      frame.setSize(750, 750);

      frame.setLocationRelativeTo(null);
      frame.setVisible(true);
   }
}