java版实现2048游戏功能

private void initUI() {
 setTitle("2048");
 setDefaultCloseOperation(3);
 setSize(600, 700);
 setLocationRelativeTo(null);
 this.setLayout(null);
 //添加分数
 jl2 = new JLabel("分数：0");
 jl2.setFont(new Font("黑体", Font.BOLD, 30));
 jl2.setBounds(20, 30, 200, 50);
 this.add(jl2);
 //添加开始按钮
 ImageIcon start=new ImageIcon("res/start.png");//开始游戏图标，随意替换就好
 startJB=new JButton(start);
 startJB.setBounds(280, 40, 120, 30);
 startJB.setFocusable(false);
 startJB.setBorderPainted(false);//设置按钮的边框为空
 startJB.setFocusPainted(false);
 startJB.setContentAreaFilled(false);//设置按钮的边框内填充颜色
 
 //添加退一步按钮
 ImageIcon back=new ImageIcon("res/backicon.png");//游戏结束图标，随意替换就好
 backJB=new JButton(back);
 backJB.setBounds(430, 40, 120, 30);
 backJB.setFocusable(false);
 backJB.setBorderPainted(false);
 backJB.setFocusPainted(false);
 backJB.setContentAreaFilled(false);
 
 this.add(startJB);
 this.add(backJB);
 setVisible(true);
 GameListener gl = new GameListener(this, arry, jl2,startJB,backJB);
 addKeyListener(gl);
 startJB.addActionListener(gl);
 backJB.addActionListener(gl);
 }

public void buffPaint(Graphics g) {
 Image image = createImage(600, 600);
 Graphics g2 = image.getGraphics();
 g2.setColor(Color.LIGHT_GRAY);
 Graphics2D g2d = (Graphics2D) g2;
 g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
  RenderingHints.VALUE_ANTIALIAS_ON);
 g2.fillRoundRect(0, 0, Draw2048.RD, Draw2048.RD, 20, 20);
 g2.setColor(Color.GRAY);
 for (int r = 0; r < arry.length; r++) {
  for (int c = 0; c < arry[r].length; c++) {
  g2.fillRect(20 + c * (Draw2048.D + Draw2048.space), 20 + r
   * (Draw2048.D + Draw2048.space), Draw2048.D, Draw2048.D);
  }
 }
 for (int r = 0; r < arry.length; r++) {
  for (int c = 0; c < arry[r].length; c++) {
  if (arry[r][c] != 0) {
   g2.setColor(255, 250, 240);
   g2.fillRect(20 + c * (Draw2048.D + Draw2048.space), 20 + r
    * (Draw2048.D + Draw2048.space), Draw2048.D,
    Draw2048.D);
   g2.setColor(new Color(0, 191, 255));
   g2.setFont(new Font("楷体", Font.BOLD, Draw2048.FSIZE));
   g2.drawString(arry[r][c] + "", 50 + c
    * (Draw2048.D + Draw2048.space), 90 + r
    * (Draw2048.D + Draw2048.space));
  }
  }
 }
 g.drawImage(image, 50, 150, this);
 }

//向上移动的算法
for (int r = 0; r < arry.length; r++) 
  for (int c = 0; c < arry[r].length; c++) {
   if (arry[r][c] > max)//找出数组最大值，用于判断玩家的方块是否达到2048
   max = arry[r][c];
   if (arry[r][c] == 0) {
   for (int r1 = r + 1; r1 < arry[c].length; r1++) 
    if (arry[r1][c] != 0) {
    arry[r][c] = arry[r1][c];
    arry[r1][c] = 0;
    count++;//判断是否发生移动，并且作为输赢判断的标准之一
    break;
    }
   　　}
  }

//向左的相加算法
for (int r = 0; r < arry.length; r++)
 for (int c = 0; c < arry[r].length; c++)
 if (arry[r][c] != 0)
  for (int c1 = c + 1; c1 < arry[r].length; c1++)
  if (arry[r][c] == arry[r][c1]) {
   arry[r][c] *= 2;
   score += arry[r][c];
   arry[r][c1] = 0;
   count++；//判断是否发生相加，并作为输赢判断条件之一。
   break;
   } else if (arry[r][c1] != 0) {
   break;
   }