#acl All:
== 盤の表現 ==

整数型の２次元配列 ban で盤面の状態を表すことにします。

まず、各ピースに番号をつけます。
 . 左上から0,1,2,...と図の順につけます。
 . 右下が最後で15になります。
 . {{attachment:game0s.png}}

 . [[attachment:game0.png]]

 . {{attachment:game4.png}}

{{{#!java
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;

public class Game12 extends JPanel implements MouseListener
{
	static final int pSize = 100;
	static final int nx = 4;
	static final int ny = 4;
	
	Image img;
	int mx = 0;
	int my = 0;
	int[][] ban= {{0,1,2,3}, {4,5,6,7}, {8,9,10,11}, {12,13,14,15}};
	
	public static void main(String[] args)
	{
		...
	}
	
	Game12()
	{
		...
	}
	
	public void paintComponent(Graphics g)
	{
		int i, j, x, y;
		
		for(i = 0; i < ny; i++)
			for(j = 0; j < nx; j++)
			{
				x = ??? ;
				y = ??? ;
				g.drawImage(img,
					i*pSize, j*pSize, (i+1)*pSize, (j+1)*pSize,
					x*pSize, y*pSize, (x+1)*pSize, (y+1)*pSize,
					this);
			}
		g.setColor(Color.orange);
		g.drawRect(mx, my, pSize, pSize);
	}
	
	public void mousePressed(MouseEvent e)
	{
		mx = e.getX();
		my = e.getY();
		repaint();
	}
	
	public void mouseEntered(MouseEvent e) { }
	public void mouseExited(MouseEvent e) { }
	public void mouseReleased(MouseEvent e) { }
	public void mouseClicked(MouseEvent e) { }
}
}}}