这是去年写的第一个小项目（虽然感觉称不上是项目），但毕竟是一次完整的编程过程，当作是编程路上的学习经历发一下好了。
import java.awt.BorderLayout;import java.awt.Color;import java.awt.Dimension;import java.awt.Font;import java.awt.Graphics;import java.awt.GridLayout;import java.awt.Label;import java.awt.TextArea;import java.awt.TextField;import java.awt.event.ActionEvent;import java.awt.event.ActionListener;import java.awt.event.KeyAdapter;import java.awt.event.KeyEvent;import java.util.Random;import javax.swing.JButton;import javax.swing.JFrame;import javax.swing.JPanel;class Block//方块父类{private int x,y;//方块的坐标;protected int type;//方块的形态，横着是0，竖着是1protected int[][] bk;//横状方块protected int[][] kb;//竖状方块protected Block()//创建坐标，类型{Random random=new Random();x=random.nextInt(7);//随机方块出现的位置y=0;type=random.nextInt(2);//随机方块类型（横，竖）}//获取方块坐标public int getX(){return x;}public int getY(){return y;}//获取方块类型public int getType(){return type;}//获取数组宽度和高度public int getwidth(){return getBlock(type)[0].length;}public int getheigth(){return getBlock(type).length;}//根据类型返回状态方块public int[][] getBlock(int type){if(type==0)return bk;elsereturn kb;}public void Down()//下降方法{y++;}public void Left()//左移方法{x--;}public void Right()//右移方法{x++;}public void Turn()//旋转方法{}}//长条方块类class Strip extends Block{private final int w=4,h=1;Strip(){super();bk=new int[h][w];kb=new int[w][h];for(int i=0;i<w;i++){bk[h-1][i]=1;kb[i][h-1]=1;}}public void Turn()//重写父类旋转方法{if(type==0)type=1;elsetype=0;}}//正方形方块类class Square extends Block{final private int w=2,h=2;Square(){super();bk=new int[h][w];kb=new int[w][h];for(int i=0;i<w;i++)for(int j=0;j<h;j++){bk[i][j]=1;kb[j][i]=1;}}}//Z字方块1类class Z1 extends Block{final private int w=3,h=2;Z1(){super();bk=new int[h][w];kb=new int[w][h];bk[0][0]=bk[0][1]=bk[1][1]=bk[1][2]=1;kb[2][0]=kb[1][0]=kb[1][1]=kb[0][1]=1;}public void Turn(){if(type==0)type=1;elsetype=0;}}//Z字方块2类class Z2 extends Block{final private int w=3,h=2;Z2(){super();bk=new int[h][w];kb=new int[w][h];bk[0][2]=bk[0][1]=bk[1][1]=bk[1][0]=1;kb[0][0]=kb[1][0]=kb[1][1]=kb[2][1]=1;}public void Turn(){if(type==0)type=1;elsetype=0;}}//三角方块类class triangle extends Block{final private int w=3,h=2;triangle(){super();bk=new int[h][w];kb=new int[w][h];triangle(type);}//随机创建四种三角形状的一种private void triangle(int type) {Random r=new Random();if(type==0){if(r.nextInt(2)==0)bk[0][1]=bk[1][0]=bk[1][1]=bk[1][2]=1;elsebk[1][1]=bk[0][0]=bk[0][1]=bk[0][2]=1;}else{if(r.nextInt(2)==0)kb[1][0]=kb[0][1]=kb[1][1]=kb[2][1]=1;elsekb[1][1]=kb[0][0]=kb[1][0]=kb[2][0]=1;}}//旋转方法利用数组的特性赋值public void Turn(){if(type==0){for(int i=0;i<h;i++)for(int j=0;j<w;j++)kb[j][h-i-1]=bk[i][j];type=1;}else{for(int i=0;i<w;i++)for(int j=0;j<h;j++)bk[j][w-i-1]=kb[i][j];type=0;}}}//不规则方块类1class irregular1 extends Block{final private int w=3,h=2;irregular1(){super();bk=new int[h][w];kb=new int[w][h];irregular1(type);}//随机创建四种状的一种private void irregular1(int type) {Random r=new Random();if(type==0){if(r.nextInt(2)==0)bk[0][0]=bk[1][0]=bk[1][1]=bk[1][2]=1;elsebk[1][2]=bk[0][0]=bk[0][1]=bk[0][2]=1;}else{if(r.nextInt(2)==0)kb[2][0]=kb[0][1]=kb[1][1]=kb[2][1]=1;elsekb[0][1]=kb[0][0]=kb[1][0]=kb[2][0]=1;}}//旋转方法利用数组的特性赋值public void Turn(){if(type==0){for(int i=0;i<h;i++)for(int j=0;j<w;j++)kb[j][h-i-1]=bk[i][j];type=1;}else{for(int i=0;i<w;i++)for(int j=0;j<h;j++)bk[j][w-i-1]=kb[i][j];type=0;}}}//不规则方块类2class irregular2 extends Block{final private int w=3,h=2;irregular2(){super();bk=new int[h][w];kb=new int[w][h];irregular2(type);}//随机创建四种状的一种private void irregular2(int type) {Random r=new Random();if(type==0){if(r.nextInt(2)==0)bk[0][2]=bk[1][0]=bk[1][1]=bk[1][2]=1;elsebk[1][0]=bk[0][0]=bk[0][1]=bk[0][2]=1;}else{if(r.nextInt(2)==0)kb[0][0]=kb[0][1]=kb[1][1]=kb[2][1]=1;elsekb[2][1]=kb[0][0]=kb[1][0]=kb[2][0]=1;}}//旋转方法利用数组的特性赋值public void Turn(){if(type==0){for(int i=0;i<h;i++)for(int j=0;j<w;j++)kb[j][h-i-1]=bk[i][j];type=1;}else{for(int i=0;i<w;i++)for(int j=0;j<h;j++)bk[j][w-i-1]=kb[i][j];type=0;}}}//游戏主体类class theGame extends JPanel implements Runnable{private int score;//游戏得分private int speed;//方块下落速度private int MAX_blockheight;//方块堆积的最大高度private final int widht=10,height=20,size=30;//面板宽度，高度和大小private final int[][] board;//游戏面板private Block[] block;//游戏运行时的方块private boolean isgameover,iscontinue;//游戏是否结束，游戏是否继续theGame(){board=new int[height][widht];block=new Block[2];//定义两个方块，一个运行，另一个预览buildblock();//初始化预览个方块MAX_blockheight=height-1;//初始化方块堆积最大高度score=0;speed=500;isgameover=false;iscontinue=true;this.addKeyListener(new Move());//对面板键盘监听}public void Start()//开始方法，由按钮控制{Thread run=new Thread(this);run.start();//创建线程1，游戏开始}public void setcontinue(boolean b) //设置是否继续游戏{iscontinue=b;}//游戏运行线程public void run() {do{passblock();//将预览方块传递给运行方块buildblock();//新建预览方块PaintNext();//显示预览方块createblock();//在面板产生方块while(!collideD())//碰撞检测{makeDown();//方块下落方法try {Thread.sleep(speed);//挂起线程，控制方块速度} catch (InterruptedException e) {e.printStackTrace();}if(!iscontinue)//若不继续，挂起该线程直到点击继续{Threadt t=new Threadt();synchronized(t) {try {t.start();t.wait();}catch(InterruptedException e) {}}}}create_stable_block();//方块无法下落，固定方块setMax_ofblockheight();//记录方块堆积的最高高度score();//计分方法destoryblock();//销毁方块}while(!gameover());//检测游戏是否结束repaint();}private void PaintNext() //显示预览方块方法{new Nextb(block[1].getBlock(block[1].getType()));//将预览方块数组传递给预览面板类构造对象newtetris.menu.repaint();//刷新菜单面板}private void create_stable_block() //固定方块方法{for(int bi=block[0].getY();bi<block[0].getY()+block[0].getheigth();bi++)for(int bj=block[0].getX();bj<block[0].getX()+block[0].getwidth();bj++)if(board[bi][bj]==1)board[bi][bj]=2;}private void destoryblock() //销毁方块方法{block[0]=null;System.gc();}private void setMax_ofblockheight() //设置方块堆积的最高点{if(block[0].getY()<MAX_blockheight)MAX_blockheight=block[0].getY();}private void score() //计分方法{int n;for(int i=height-1;i>=MAX_blockheight;i--){n=0;//计算这行方块数for(int j=0;j<widht;j++){if(board[i][j]==0)break;elsen++;}if(n==widht)//判断这行是否布满方块{enLine(i);//消去这行score++;newtetris.score.setText(""+score);i+=1;}}}//消行方法private void enLine(int x) {for(int i=x;i>=MAX_blockheight;i--)for(int j=0;j<widht;j++)board[i][j]=board[i-1][j];MAX_blockheight+=1;}private boolean gameover() //判断游戏是否结束方法{if(MAX_blockheight<=3){isgameover=true;return true;}return false;}private boolean collideD() //下落碰撞检测{if(block[0].getY()+block[0].getheigth()>=height)//检测是否最低点return true;//检测下方是否有方块for(int i=block[0].getY()+block[0].getheigth()-1;i>=0;i--)for(int j=block[0].getX()+block[0].getwidth()-1;j>=0;j--)if(board[i][j]==1&&board[i+1][j]==2)return true;return false;}private void makeDown() //下降方法{erasureblock();//擦除原方块block[0].Down();//改变y值使下降createblock();//产生新方块repaint();}//在新坐标上产生一个方块private void createblock() {for(int bi=block[0].getY(),i=0;i<block[0].getheigth();i++,bi++)for(int bj=block[0].getX(),j=0;j<block[0].getwidth();j++,bj++)if(board[bi][bj]==0&&block[0].getBlock(block[0].getType())[i][j]==1)board[bi][bj]=block[0].getBlock(block[0].getType())[i][j];}//擦除原来坐标上的方块private void erasureblock() {for(int bi=block[0].getY();bi<block[0].getY()+block[0].getheigth();bi++)for(int bj=block[0].getX();bj<block[0].getX()+block[0].getwidth();bj++)if(board[bi][bj]==1)board[bi][bj]=0;}private void passblock() //将预览方块传给运行方块方法{block[0]=block[1];}private void buildblock() //创建预览方块方法{Random r=new Random();switch(r.nextInt(7))//随机创建七种方块{case 0:block[1]=new Strip();break;case 1:block[1]=new Square();break;case 2:block[1]=new Z1();break;case 3:block[1]=new Z2();break;case 4:block[1]=new triangle();break;case 5:block[1]=new irregular1();break;case 6:block[1]=new irregular2();break;}}public void makeTurn() //旋转方法{erasureblock();//擦除原方块block[0].Turn();//调用方块的旋转方法createblock();//产生新方块repaint();}public boolean collideT() //旋转碰撞检测{for(int bi=block[0].getY()+block[0].getwidth()-1;bi>=block[0].getY();bi--)for(int bj=block[0].getX()+block[0].getheigth()-1;bj>=block[0].getX();bj--)if(board[bi][bj]==2)return true;return false;}public void makeRight() //右移方法{erasureblock();//擦除原方块block[0].Right();//调用方块的右移方法createblock();//产生新方块repaint();}public boolean collideR() //右移碰撞检测{if(block[0].getX()+block[0].getwidth()>=widht)return true;for(int bj=block[0].getX()+block[0].getwidth()-1;bj>=block[0].getX();bj--)for(int bi=block[0].getY();bi<block[0].getY()+block[0].getheigth();bi++)if(board[bi][bj]==1&&board[bi][bj+1]==2)return true;return false;}public void makeLeft() //左移方法{//和前面一样，不写了erasureblock();block[0].Left();createblock();repaint();}public boolean collideL() //左移碰撞检测{if(block[0].getX()<=0)//是否在最左端return true;//左边是否有方块for(int bj=block[0].getX();bj<block[0].getX()+block[0].getwidth();bj++)for(int bi=block[0].getY();bi<block[0].getY()+block[0].getheigth();bi++)if(board[bi][bj]==1&&board[bi][bj-1]==2)return true;return false;}class Threadt extends Thread{public void run()//线程2，用来启动线程1{synchronized(this) {while(true){try {Thread.sleep(1000); } catch (Exception e) {} if(iscontinue)//游戏是否继续{this.notify();break;}}}}}class Move extends KeyAdapter//键盘适配器{public void keyReleased(KeyEvent e) {if(e.getKeyCode()==KeyEvent.VK_DOWN)//释放下键，速度变慢{if(speed==50)speed=500;}}public void keyPressed(KeyEvent e){if(e.getKeyCode()==KeyEvent.VK_LEFT)//按下左键触发事件{if(!collideL())//是否可以左移makeLeft();//左移方法}//以下同上else if (e.getKeyCode() == KeyEvent.VK_RIGHT){if(!collideR())makeRight();}else if (e.getKeyCode() == KeyEvent.VK_UP){if(!collideT())makeTurn();}else if(e.getKeyCode()==KeyEvent.VK_DOWN){speed=50;}}}public void paintComponent(Graphics g)//绘制面板{super.paintComponent(g);for(int i=0;i<height;i++){for(int j=0;j<widht;j++){switch(board[i][j])//三种型号对应三种颜色{case 0:g.setColor(Color.BLACK);break;//没有方块case 1:g.setColor(Color.WHITE);break;//移动中的方块case 2:g.setColor(Color.GRAY);break;//已固定的方块}g.fillRect((size+1)*j+15, (size+1)*i+25, size, size);//画方块}if(i==4)//方块堆积界限{g.setColor(Color.RED);g.drawLine(15, (size+1)*i+25, (size+1)*10+15, (size+1)*i+25);}}if(isgameover)//游戏结束则打印“Game Over”{Font lose=new Font("黑体",Font.BOLD,50);g.setFont(lose);g.setColor(Color.RED);g.drawString("Game Over", 50, 250);}}}class Nextb extends JPanel//预览面板类{int Size;private static int[][] paint;//预览方块Nextb(){Size=40;paint=null;}Nextb(int[][] p)//构造预览方块{Size=40;paint=new int[p.length][p[0].length];for(int i=0;i<p.length;i++)for(int j=0;j<p[0].length;j++)paint[i][j]=p[i][j];repaint();}public void paintComponent(Graphics gg)//绘制面板{super.paintComponent(gg);//刷新面板，以免重叠if(paint!=null){for(int i=0;i<paint.length;i++)for(int j=0;j<paint[0].length;j++){gg.setColor(Color.GREEN);if(paint[i][j]==1)gg.fillRect((Size+1)*j+15, (Size+1)*i+25, Size, Size);}}}}public class newtetris extends JFrame implements ActionListener//游戏界面类{theGame game;//定义一个游戏对象public static JPanel menu;//定义静态菜单面板Label prompt1,prompt2,prompt3;public static TextField score;//计分文本框TextArea methon;//玩法介绍文本区JButton start,replay;//开始，暂停按钮newtetris(){game=new theGame();menu=new JPanel();Font se=new Font("宋体",Font.BOLD,25);prompt1=new Label(" 下一个:");prompt2=new Label("得分:");prompt3=new Label("玩法:");prompt1.setFont(se);prompt2.setFont(se);prompt3.setFont(se);score=new TextField(3);methon=new TextArea(""+10,8,TextArea.SCROLLBARS_NONE);start=new JButton("开始");replay=new JButton("暂停");menu.setLayout(new GridLayout(0,2,10,30));//菜单面板使用网格布局Font sc=new Font("宋体",Font.BOLD,15);Font sp=new Font("宋体",Font.BOLD,100);methon.setFont(sc);methon.setText("↑:顺时针旋转90度\n↓:快速下移\n←:向左移动\n→:向右移动");methon.setEditable(false);methon.setFocusable(false);score.setFont(sp);score.setText("0");score.setEditable(false);score.setFocusable(false);menu.setPreferredSize(new Dimension(400,600));menu.add(prompt1);menu.add(new Nextb());menu.add(prompt2);menu.add(score);menu.add(prompt3);menu.add(methon);menu.add(start);menu.add(replay);this.add(menu,BorderLayout.EAST);this.add(game,BorderLayout.CENTER);start.addActionListener(this);replay.addActionListener(this);this.setVisible(true);this.setSize(750,700);this.setResizable(false);this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);this.setTitle("俄罗斯方块");}public void actionPerformed(ActionEvent e){if(e.getSource()==start){game.Start();//开始游戏game.requestFocusInWindow();//聚焦到游戏面板}else if(e.getSource()==replay){if(e.getActionCommand().equals("暂停")){game.setcontinue(false);//设置游戏暂停replay.setText("继续");//按钮变成继续game.requestFocusInWindow();//聚焦到面板}else if(e.getActionCommand().equals("继续")){game.setcontinue(true);//设置游戏继续replay.setText("暂停");//按钮变成暂停game.requestFocusInWindow();//聚焦到面板}}}public static void main(String[] args){new newtetris();}}
