Java怎样实现俄罗斯方块小游戏源码

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一、最终效果

二、功能需求

在二维平面里面用各种随机产生的方块堆积木，每满一行消去一行，当达到顶部时，游戏结束。
2、 通过方向键来控制方块转动，左移，右移和直落。
3、 方块下落统一设置蓝色，接触底部变粉色。
4、 计算分数，分数是由方块的类型决定的，每堆积一个方块就把分数累加到总分中。
5、 游戏有开始、重新开始、降低提高级数（速度）、暂停、退出

三、程序实现

这个是最基础的方块素材

package 俄罗斯方块;import java.awt.*;import java.awt.event.*;import javax.swing.*; import java.applet.*;import java.lang.String.*;import java.lang.*;import java.io.*;public class Block extends JPanel implements ActionListener,KeyListener//应该是继承JPanel{    static Button but[] = new Button[6];    static Button noStop = new Button("取 消 暂 停");    static Label scoreLab = new Label("分数:");    static Label infoLab = new Label("提示:");    static Label speedLab = new Label("级数:");    static Label scoreTex = new Label("0");    static Label infoTex = new Label(" ");    static Label speedTex = new Label("1");        static JFrame jf = new JFrame();    static MyTimer timer;     static ImageIcon icon=new ImageIcon("resource/Block.jpg");    static JMenuBar mb = new JMenuBar();    static JMenu menu0 = new JMenu("游  戏 ");    static JMenu menu1 = new JMenu("帮  助 ");    static JMenuItem mi0 = new JMenuItem("新 游 戏");    static JMenuItem mi1 = new JMenuItem("退  出");    static JMenuItem mi1_0 = new JMenuItem("关  于");   static JDialog dlg_1;    static JTextArea dlg_1_text = new JTextArea();    static int startSign = 0;//游戏开始标志 0 未开始 1 开始 2 暂停    static String butLab[] = {"开 始 游 戏","重 新 开 始","降 低 级 数","提 高 级 数","游 戏 暂 停","退 出 游 戏"};    static int game_body[][] = new int[19][10];    static int game_sign_x[] = new int[4];//用于记录4个方格的水平位置    static int game_sign_y[] = new int[4];//用于记录4个方格的垂直位置    static boolean downSign = false;//是否落下    static int blockNumber = 1;//砖块的编号    static int gameScore = 0;//游戏分数    static int speedMark = 1;        public static void main(String args[])     {        Block myBlock = new Block();        mb.add(menu0);        mb.add(menu1);        menu0.add(mi0);        menu0.add(mi1);        menu1.add(mi1_0);        jf.setJMenuBar(mb);                    myBlock.init();        jf.add(myBlock);        jf.setSize(565,501);        jf.setResizable(false);        jf.setTitle("俄罗斯方块");        jf.setIconImage(icon.getImage());        jf.setLocation(200,100);        jf.show();        timer = new MyTimer(myBlock); //启动线程       timer.setDaemon(true);        timer.start();       timer.suspend();    }    public void init()    {       setLayout(null);       for(int i = 0;i < 6;i++)       {           but[i] = new Button(butLab[i]);           add(but[i]);           but[i].addActionListener(this);           but[i].addKeyListener(this);           but[i].setBounds(360,(240 + 30 * i),160,25);       }              add(scoreLab);       add(scoreTex);       add(speedLab);       add(speedTex);       add(infoLab);       add(infoTex);       add(scoreLab);       scoreLab.setBounds(320,15,30,20);       scoreTex.setBounds(360,15,160,20);        scoreTex.setBackground(Color.white);        speedLab.setBounds(320,45,30,20);        speedTex.setBounds(360,45,160,20);        speedTex.setBackground(Color.white);                but[1].setEnabled(false);        but[4].setEnabled(false);                infoLab.setBounds(320,75,30,20);        infoTex.setBounds(360,75,160,20);        infoTex.setBackground(Color.white);        noStop.setBounds(360,360,160,25);        noStop.addActionListener(this);        noStop.addKeyListener(this);        mi0.addActionListener(this);        mi1.addActionListener(this);        mi1_0.addActionListener(this);        num_csh_game();        rand_block();   }      public void actionPerfORMed(ActionEvent e)   {       if(e.getSource() == but[0])//开始游戏       {           startSign = 1;           infoTex.setText("游戏已经开始!");           but[0].setEnabled(false);           but[1].setEnabled(true);            but[4].setEnabled(true);            timer.resume();        }       if(e.getSource() == but[1]||e.getSource() == mi0)//重新开始游戏       {           startSign = 0;           gameScore = 0;           timer.suspend();           num_csh_restart();           repaint();           rand_block();           scoreTex.setText("0");           infoTex.setText("新游戏!");           but[0].setEnabled(true);           but[1].setEnabled(false);            but[4].setEnabled(false);       }       if(e.getSource() == but[2])//降低级数       {           infoTex.setText("降低级数!");           speedMark--;           if(speedMark <= 1)           {               speedMark = 1;               infoTex.setText("已经是最低级数!");           }           speedTex.setText(speedMark + "");       }       if(e.getSource() == but[3])//提高级数       {           infoTex.setText("提高级数!");           speedMark++;           if(speedMark >= 9)           {               speedMark = 9;               infoTex.setText("已经是最高级数!");           }           speedTex.setText(speedMark + "");       }       if(e.getSource() == but[4])//游戏暂停       {           this.add(noStop);           this.remove(but[4]);           infoTex.setText("游戏暂停!");           timer.suspend();       }       if(e.getSource() == noStop)//取消暂停       {           this.remove(noStop);           this.add(but[4]);           infoTex.setText("继续游戏!");           timer.resume();       }       if(e.getSource() == but[5]||e.getSource() == mi1)//退出游戏       {           jf.dispose();       }       if(e.getSource() == mi1_0)//退出游戏       {           dlg_1 = new JDialog(jf,"关 于");            try{                FileInputStream io = new FileInputStream("resource/guanyu.txt");//得到路径                byte a[] = new byte[io.available()];                io.read(a);                io.close();                String str = new String(a);                dlg_1_text.setText(str);                }                catch(Exception g){}                dlg_1_text.setEditable(false);               dlg_1.add(dlg_1_text);                dlg_1.pack();               dlg_1.setResizable(false);               dlg_1.setSize(200, 120);               dlg_1.setLocation(400, 240);               dlg_1.show();       }   }      public void rand_block()//随机产生砖块   {       int num;        num = (int)(Math.random() * 6) + 1;//产生0~6之间的随机数        blockNumber = num;        switch(blockNumber)        {            case 1: block1(); blockNumber = 1; break;            case 2: block2(); blockNumber = 2; break;            case 3: block3(); blockNumber = 3; break;            case 4: block4(); blockNumber = 4; break;            case 5: block5(); blockNumber = 5; break;            case 6: block6(); blockNumber = 6; break;            case 7: block7(); blockNumber = 7; break;        }   }       public void change_body(int blockNumber)//改变砖块状态   {       dingwei();       if(blockNumber == 1&&downSign == false)//变换长条2种情况       {           if(game_sign_y[0] == game_sign_y[1]&&game_sign_y[3] <= 16)//说明长条是横着的           {               if(game_body[game_sign_y[0] - 1][game_sign_x[0] + 1] != 2&&game_body[game_sign_y[3] + 2][game_sign_x[3] - 2] != 2)               {                   num_csh_game();                   game_body[game_sign_y[0] - 1][game_sign_x[0] + 1] = 1;                   game_body[game_sign_y[1]][game_sign_x[1]] = 1;                   game_body[game_sign_y[2] + 1][game_sign_x[2] - 1] = 1;                   game_body[game_sign_y[3] + 2][game_sign_x[3] - 2] = 1;                   infoTex.setText("游戏进行中!");                   repaint();               }           }           if(game_sign_x[0] == game_sign_x[1]&&game_sign_x[0] >= 1&&game_sign_x[3] <= 7)//说明长条是竖着的           {               if(game_body[game_sign_y[0] + 1][game_sign_x[0]-1] != 2&&game_body[game_sign_y[3] - 2][game_sign_x[3] + 2] != 2)               {                   num_csh_game();                   game_body[game_sign_y[0] + 1][game_sign_x[0] - 1] = 1;                   game_body[game_sign_y[1]][game_sign_x[1]]=1;                   game_body[game_sign_y[2] - 1][game_sign_x[2] + 1] = 1;                   game_body[game_sign_y[3] - 2][game_sign_x[3] + 2] = 1;                   infoTex.setText("游戏进行中!");                   repaint();               }           }       }       if(blockNumber == 3&&downSign == false)//变换转弯1有4种情况       {           if(game_sign_x[0] == game_sign_x[1]&&game_sign_x[0] == game_sign_x[2]&&game_sign_y[2] == game_sign_y[3]&&game_sign_x[0] >= 1)           {               if(game_body[game_sign_y[0] + 1][game_sign_x[0] - 1] != 2&&game_body[game_sign_y[2] - 1][game_sign_x[2] + 1] != 2&&game_body[game_sign_y[3] - 2][game_sign_x[3]] != 2)               {                   num_csh_game();                   game_body[game_sign_y[0] + 1][game_sign_x[0] - 1] = 1;                   game_body[game_sign_y[1]][game_sign_x[1]] = 1;                   game_body[game_sign_y[2] - 1][game_sign_x[2] + 1] = 1;                   game_body[game_sign_y[3] - 2][game_sign_x[3]] = 1;                   infoTex.setText("游戏进行中!");                   repaint();               }               }           if(game_sign_y[1] == game_sign_y[2]&&game_sign_y[2] == game_sign_y[3]&&game_sign_x[0] == game_sign_x[3]&&game_sign_y[1] <= 17)           {               if(game_body[game_sign_y[0]][game_sign_x[0] - 2] != 2&&game_body[game_sign_y[1] + 1][game_sign_x[1] + 1] != 2&&game_body[game_sign_y[3] - 1][game_sign_x[3] - 1] != 2)               {                   num_csh_game();                   game_body[game_sign_y[0]][game_sign_x[0] - 2] = 1;                       game_body[game_sign_y[1] + 1][game_sign_x[1] + 1] = 1;                   game_body[game_sign_y[2]][game_sign_x[2]] = 1;                   game_body[game_sign_y[3] - 1][game_sign_x[3] - 1] = 1;                   infoTex.setText("游戏进行中!");                   repaint();               }               }           if(game_sign_x[1] == game_sign_x[2]&&game_sign_x[1] == game_sign_x[3]&&game_sign_y[0] == game_sign_y[1]&&game_sign_x[3] <= 8)           {               if(game_body[game_sign_y[0] + 2][game_sign_x[0]] != 2&&game_body[game_sign_y[1] + 1][game_sign_x[1] - 1] != 2&&game_body[game_sign_y[3] - 1][game_sign_x[3] + 1] != 2)               {                   num_csh_game();                   game_body[game_sign_y[0] + 2][game_sign_x[0]] = 1;                       game_body[game_sign_y[1] + 1][game_sign_x[1] - 1] = 1;                   game_body[game_sign_y[2]][game_sign_x[2]] = 1;                   game_body[game_sign_y[3] - 1][game_sign_x[3] + 1] = 1;                   infoTex.setText("游戏进行中!");                   repaint();               }               }           if(game_sign_y[0] == game_sign_y[1]&&game_sign_y[1] == game_sign_y[2]&&game_sign_x[0] == game_sign_x[3])           {               if(game_body[game_sign_y[0] + 1][game_sign_x[0] + 1] != 2&&game_body[game_sign_y[2] - 1][game_sign_x[2] - 1] != 2&&game_body[game_sign_y[3]][game_sign_x[3] + 2] != 2)               {                   num_csh_game();                   game_body[game_sign_y[0] + 1][game_sign_x[0] + 1] = 1;                   game_body[game_sign_y[1]][game_sign_x[1]] = 1;                   game_body[game_sign_y[2] - 1][game_sign_x[2] - 1] = 1;                   game_body[game_sign_y[3]][game_sign_x[3] + 2] = 1;                   infoTex.setText("游戏进行中!");                   repaint();               }               }       }       if(blockNumber == 4&&downSign == false)//变换转弯2有4种情况       {           if(game_sign_x[0] == game_sign_x[1]&&game_sign_x[0] == game_sign_x[3]&&game_sign_y[1] == game_sign_y[2]&&game_sign_x[3] <= 7)           {               if(game_body[game_sign_y[0] + 2][game_sign_x[0]] != 2&&game_body[game_sign_y[1] + 1][game_sign_x[1] + 1] != 2&&game_body[game_sign_y[3]][game_sign_x[3] + 2] != 2)               {                   num_csh_game();                   game_body[game_sign_y[0] + 2][game_sign_x[0]] = 1;                   game_body[game_sign_y[1] + 1][game_sign_x[1] + 1] = 1;                   game_body[game_sign_y[2]][game_sign_x[2]] = 1;                   game_body[game_sign_y[3]][game_sign_x[3] + 2] = 1;                   infoTex.setText("游戏进行中!");                   repaint();               }               }           if(game_sign_y[1] == game_sign_y[2]&&game_sign_y[1] == game_sign_y[3]&&game_sign_x[0] == game_sign_x[2])           {               if(game_body[game_sign_y[1]][game_sign_x[1] + 2] != 2&&game_body[game_sign_y[2] - 1][game_sign_x[2] + 1] != 2&&game_body[game_sign_y[3] - 2][game_sign_x[3]] != 2)               {                   num_csh_game();                   game_body[game_sign_y[0]][game_sign_x[0]] = 1;                   game_body[game_sign_y[1]][game_sign_x[1] + 2] = 1;                   game_body[game_sign_y[2] - 1][game_sign_x[2] + 1] = 1;                   game_body[game_sign_y[3] - 2][game_sign_x[3]] = 1;                   infoTex.setText("游戏进行中!");                   repaint();               }               }           if(game_sign_x[0] == game_sign_x[2]&&game_sign_x[0] == game_sign_x[3]&&game_sign_y[1] == game_sign_y[2]&&game_sign_x[0] >= 2)           {               if(game_body[game_sign_y[0]][game_sign_x[0] - 2] != 2&&game_body[game_sign_y[2] - 1][game_sign_x[2] - 1] != 2&&game_body[game_sign_y[3] - 2][game_sign_x[3]] != 2)               {                   num_csh_game();                   game_body[game_sign_y[0]][game_sign_x[0] - 2] = 1;                   game_body[game_sign_y[1]][game_sign_x[1]] = 1;                   game_body[game_sign_y[2] - 1][game_sign_x[2] - 1] = 1;                   game_body[game_sign_y[3] - 2][game_sign_x[3]] = 1;                   infoTex.setText("游戏进行中!");                   repaint();               }               }           if(game_sign_y[0] == game_sign_y[1]&&game_sign_y[0] == game_sign_y[2]&&game_sign_x[1] == game_sign_x[3]&&game_sign_y[0] <= 16)           {               if(game_body[game_sign_y[0] + 2][game_sign_x[0]] != 2&&game_body[game_sign_y[1] + 1][game_sign_x[1] - 1] != 2&&game_body[game_sign_y[2]][game_sign_x[2] - 2] != 2)               {                   num_csh_game();                   game_body[game_sign_y[0] + 2][game_sign_x[0]] = 1;                   game_body[game_sign_y[1] + 1][game_sign_x[1] - 1] = 1;                   game_body[game_sign_y[2]][game_sign_x[2] - 2] = 1;                   game_body[game_sign_y[3]][game_sign_x[3]] = 1;                   infoTex.setText("游戏进行中!");                   repaint();               }               }       }       if(blockNumber == 5&&downSign == false)//变换转弯3有4种情况       {           if(game_sign_x[0] == game_sign_x[2]&&game_sign_x[2] == game_sign_x[3]&&game_sign_y[0] == game_sign_y[1]&&game_sign_x[1] >= 2)           {               if(game_body[game_sign_y[0] + 1][game_sign_x[0] - 1] != 2&&game_body[game_sign_y[1]][game_sign_x[1] - 2] != 2&&game_body[game_sign_y[3] - 1][game_sign_x[3] + 1] != 2)               {                   num_csh_game();                   game_body[game_sign_y[0] + 1][game_sign_x[0] - 1] = 1;                   game_body[game_sign_y[1]][game_sign_x[1] - 2] = 1;                   game_body[game_sign_y[2]][game_sign_x[2]] = 1;                   game_body[game_sign_y[3] - 1][game_sign_x[3] + 1] = 1;                   infoTex.setText("游戏进行中!");                   repaint();               }           }           if(game_sign_y[1] == game_sign_y[2]&&game_sign_y[2] == game_sign_y[3]&&game_sign_x[0] == game_sign_x[1]&&game_sign_y[0] <= 16)           {               if(game_body[game_sign_y[0] + 2][game_sign_x[0]] != 2&&game_body[game_sign_y[1] + 1][game_sign_x[1] + 1] != 2&&game_body[game_sign_y[3] - 1][game_sign_x[3] - 1] != 2)               {                      num_csh_game();                   game_body[game_sign_y[0] + 2][game_sign_x[0]] = 1;                    game_body[game_sign_y[1] + 1][game_sign_x[1] + 1] = 1;                   game_body[game_sign_y[2]][game_sign_x[2]] = 1;                   game_body[game_sign_y[3] - 1][game_sign_x[3] - 1] = 1;                   infoTex.setText("游戏进行中!");                   repaint();               }           }           if(game_sign_x[0] == game_sign_x[1]&&game_sign_x[1] == game_sign_x[3]&&game_sign_y[2] == game_sign_y[3])           {               if(game_body[game_sign_y[0] + 1][game_sign_x[0] - 1] != 2&&game_body[game_sign_y[2]][game_sign_x[2] + 2] != 2&&game_body[game_sign_y[3] - 1][game_sign_x[3] + 1] != 2)               {                   num_csh_game();                   game_body[game_sign_y[0] + 1][game_sign_x[0] - 1] = 1;                   game_body[game_sign_y[1]][game_sign_x[1]] = 1;                   game_body[game_sign_y[2]][game_sign_x[2] + 2] = 1;                   game_body[game_sign_y[3] - 1][game_sign_x[3] + 1] = 1;                   infoTex.setText("游戏进行中!");                   repaint();               }           }           if(game_sign_y[0] == game_sign_y[1]&&game_sign_y[1] == game_sign_y[2]&&game_sign_x[2] == game_sign_x[3])           {               if(game_body[game_sign_y[0] + 1][game_sign_x[0] + 1] != 2&&game_body[game_sign_y[2] - 1][game_sign_x[2] - 1] != 2&&game_body[game_sign_y[3] - 2][game_sign_x[3]] != 2)               {                   num_csh_game();                   game_body[game_sign_y[0] + 1][game_sign_x[0] + 1] = 1;                   game_body[game_sign_y[1]][game_sign_x[1]] = 1;                   game_body[game_sign_y[2] - 1][game_sign_x[2] - 1] = 1;                   game_body[game_sign_y[3] - 2][game_sign_x[3]] = 1;                   infoTex.setText("游戏进行中!");                   repaint();               }           }       }       if(blockNumber == 6&&downSign == false)//变换两层砖块1的2种情况       {           if(game_sign_x[0] == game_sign_x[2]&&game_sign_x[0] >= 2)           {               if(game_body[game_sign_y[0]][game_sign_x[0] - 2] != 2&&game_body[game_sign_y[2] - 1][game_sign_x[2] -1 ] != 2&&game_body[game_sign_y[3] - 1][game_sign_x[3] + 1] != 2)               {                   num_csh_game();                   game_body[game_sign_y[0]][game_sign_x[0] - 2] = 1;                   game_body[game_sign_y[1]][game_sign_x[1]] = 1;                   game_body[game_sign_y[2] - 1][game_sign_x[2] - 1] = 1;                   game_body[game_sign_y[3] - 1][game_sign_x[3] + 1] = 1;                   infoTex.setText("游戏进行中!");                   repaint();               }           }           if(game_sign_y[0] == game_sign_y[1]&&game_sign_y[3] <= 17)           {               if(game_body[game_sign_y[0]][game_sign_x[0] + 2] != 2&&game_body[game_sign_y[1] + 1][game_sign_x[1] + 1] != 2&&game_body[game_sign_y[3] + 1][game_sign_x[3] - 1] != 2)               {                      num_csh_game();                   game_body[game_sign_y[0]][game_sign_x[0] + 2] = 1;                   game_body[game_sign_y[1] + 1][game_sign_x[1] + 1] = 1;                   game_body[game_sign_y[2]][game_sign_x[2]] = 1;                   game_body[game_sign_y[3] + 1][game_sign_x[3] - 1] = 1;                   infoTex.setText("游戏进行中!");                   repaint();               }           }       }       if(blockNumber == 7&&downSign == false)//变换两层砖块2的2种情况       {           if(game_sign_x[0] == game_sign_x[1]&&game_sign_x[0] <= 16)           {               if(game_body[game_sign_y[0]][game_sign_x[0] + 2] != 2&&game_body[game_sign_y[1] - 1][game_sign_x[1] + 1] != 2&&game_body[game_sign_y[3] - 1][game_sign_x[3] - 1] != 2)               {                   num_csh_game();                   game_body[game_sign_y[0]][game_sign_x[0] + 2] = 1;                   game_body[game_sign_y[1] - 1][game_sign_x[1] + 1] = 1;                   game_body[game_sign_y[2]][game_sign_x[2]] = 1;                   game_body[game_sign_y[3] - 1][game_sign_x[3] - 1] = 1;                   infoTex.setText("游戏进行中!");                   repaint();               }           }           if(game_sign_y[0] == game_sign_y[1]&&game_sign_y[2] <= 17)           {               if(game_body[game_sign_y[0] + 1][game_sign_x[0] - 1] != 2&&game_body[game_sign_y[1]][game_sign_x[1] - 2] != 2&&game_body[game_sign_y[2] + 1][game_sign_x[2] + 1] != 2)               {                   num_csh_game();                   game_body[game_sign_y[0] + 1][game_sign_x[0] - 1] = 1;                   game_body[game_sign_y[1]][game_sign_x[1] - 2] = 1;                   game_body[game_sign_y[2] + 1][game_sign_x[2] + 1] = 1;                   game_body[game_sign_y[3]][game_sign_x[3]] = 1;                   infoTex.setText("游戏进行中!");                   repaint();               }           }       }   }      public void num_csh_game()//数组清零   {       for(int i = 0;i < 19;i++)       {           for(int j = 0;j < 10;j++)           {               if(game_body[i][j] == 2)               {                   game_body[i][j] = 2;               }               else               {                   game_body[i][j] = 0;               }           }       }   }      public void num_csh_restart()//重新开始时数组清零   {       for(int i = 0;i < 19;i++)       {           for(int j = 0;j < 10;j++)           {               game_body[i][j] = 0;           }       }   }      public void keyTyped(KeyEvent e){}          public void keyPressed(KeyEvent e)   {       if(e.geTKEyCode() == KeyEvent.VK_DOWN&&startSign == 1)//处理下键       {           this.down();       }       if(e.getKeyCode() == KeyEvent.VK_LEFT&&startSign == 1)//处理左键       {           this.left();       }       if(e.getKeyCode() == KeyEvent.VK_RIGHT&&startSign == 1)//处理右键       {           this.right();       }       if(e.getKeyCode() == KeyEvent.VK_UP&&startSign == 1)//处理上键转换       {           this.change_body(blockNumber);       }       if(startSign == 0)       {           infoTex.setText("游戏未开始或已结束!");       }   }      public void keyReleased(KeyEvent e){}      public void paint(Graphics g)    {        g.setColor(Color.black);        g.fill3DRect(0,0,300,450,true);        for(int i = 0;i < 19;i++)        {            for(int j = 0;j < 10;j++)            {                if(game_body[i][j] == 1)                {                    g.setColor(Color.blue);                    g.fill3DRect(30*j,30*(i-4),30,30,true);                }                if(game_body[i][j] == 2)                {                    g.setColor(Color.magenta);                    g.fill3DRect(30*j,30*(i-4),30,30,true);                }            }        }        }        public void left()//向左移动    {        int sign = 0;        dingwei();        for(int k = 0;k < 4;k++)        {            if(game_sign_x[k] == 0||game_body[game_sign_y[k]][game_sign_x[k] - 1] == 2)            {                sign = 1;            }        }        if(sign == 0&&downSign == false)        {            num_csh_game();            for(int k = 0;k < 4;k++)            {                game_body[game_sign_y[k]][game_sign_x[k] - 1] = 1;            }            infoTex.setText("向左移动!");            repaint();        }    }        public void right()//向右移动    {        int sign = 0;        dingwei();        for(int k = 0;k < 4;k++)        {            if(game_sign_x[k] == 9||game_body[game_sign_y[k]][game_sign_x[k] + 1] == 2)            {                sign = 1;            }        }        if(sign == 0&&downSign == false)        {            num_csh_game();            for(int k = 0;k < 4;k++)            {                game_body[game_sign_y[k]][game_sign_x[k] + 1] = 1;            }            infoTex.setText("向右移动!");            repaint();        }    }        public void down()//下落    {        int sign = 0;        dingwei();        for(int k = 0;k < 4;k++)        {            if(game_sign_y[k] == 18||game_body[game_sign_y[k] + 1][game_sign_x[k]] == 2)            {                sign = 1;                downSign = true;                changeColor();                cancelDW();                getScore();                if(game_over() == false)                {                    rand_block();                    repaint();                }            }        }        if(sign == 0)        {            num_csh_game();            for(int k = 0;k < 4;k++)            {                game_body[game_sign_y[k] + 1][game_sign_x[k]] = 1;            }            infoTex.setText("游戏进行中!");            repaint();        }    }        public boolean game_over()//判断游戏是否结束    {        int sign=0;        for(int i = 0;i < 10;i++)        {            if(game_body[4][i] == 2)            {                sign = 1;            }        }        if(sign == 1)        {            infoTex.setText("游戏结束!");            changeColor();            repaint();            startSign = 0;            timer.suspend();            return true;        }        else        return false;    }        public void getScore()//满行消除方法    {        for(int i = 0;i < 19;i++)        {            int sign = 0;            for(int j = 0;j < 10;j++)            {                if(game_body[i][j] == 2)                {                    sign++;                }            }            if(sign == 10)            {                gameScore += 100;                scoreTex.setText(gameScore+"");                infoTex.setText("恭喜得分!");                for(int j = i;j >= 1;j--)                {                    for(int k = 0;k < 10;k++)                    {                        game_body[j][k] = game_body[j - 1][k];                    }                }            }        }    }            public void changeColor()//给已经落下的块换色    {        downSign = false;        for(int k = 0;k < 4;k++)        {            game_body[game_sign_y[k]][game_sign_x[k]] = 2;        }    }        public void dingwei()//确定其位置    {        int k = 0;        cancelDW();        for(int i = 0;i < 19;i++)        {            for(int j = 0;j < 10;j++)            {                if(game_body[i][j] == 1)                {                    game_sign_x[k] = j;                    game_sign_y[k] = i;                    k++;                }            }        }    }        public void cancelDW()//将定位数组初始化    {        for(int k = 0;k < 4;k++)        {            game_sign_x[k] = 0;            game_sign_y[k] = 0;        }    }        public void block1()//长条    {        game_body[0][4] = 1;        game_body[1][4] = 1;        game_body[2][4] = 1;        game_body[3][4] = 1;    }        public void block2()//正方形    {        game_body[3][4] = 1;        game_body[2][4] = 1;        game_body[3][5] = 1;        game_body[2][5] = 1;    }    public void block3()//3加1(下)    {        game_body[1][4] = 1;        game_body[2][4] = 1;        game_body[3][4] = 1;        game_body[3][5] = 1;    }    public void block4()//3加1(中)    {        game_body[1][4] = 1;        game_body[2][4] = 1;        game_body[3][4] = 1;        game_body[2][5] = 1;    }    public void block5()//3加1(上)    {        game_body[1][4] = 1;        game_body[2][4] = 1;        game_body[3][4] = 1;        game_body[1][5] = 1;    }    public void block6()//转折1    {        game_body[1][5] = 1;        game_body[2][5] = 1;        game_body[2][4] = 1;        game_body[3][4] = 1;    }    public void block7()//转折2    {        game_body[1][4] = 1;        game_body[2][4] = 1;        game_body[2][5] = 1;        game_body[3][5] = 1;    }}//定时线程 class MyTimer extends Thread{    Block myBlock;    public MyTimer(Block myBlock)   {       this.myBlock = myBlock;   }   public void run()   {       while(myBlock.startSign == 1)       {           try{               sleep((10-myBlock.speedMark + 1)*100);                myBlock.down();           }           catch(InterruptedException e){}       }   }}

备注：上键变换方向

Java的特点有哪些

Java的特点有哪些1.Java语言作为静态面向对象编程语言的代表，实现了面向对象理论，允许程序员以优雅的思维方式进行复杂的编程。2.Java具有简单性、面向对象、分布式、安全性、平台独立与可移植性、动态性等特点。3.使用Java可以编写桌面应用程序、WEB应用程序、分布式系统和嵌入式系统应用程序等。

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