一个java编写的俄罗斯方块游戏代码

如图importjava.awt.*;importjava.awt.event.ActionEvent;importjava.awt.event.ActionListener;importjava.awt.event.KeyEvent;importjava.awt.event.KeyListener;importjavax.swing.*;importjavax.swing.Timer;publicclassTetrisextendsJFrame{publicTetris(){Tetrisbloka=newTetrisblok();addKeyListener(a);add(a);}publicstaticvoidmain(String[]args){Tetrisframe=newTetris();JMenuBarmenu=newJMenuBar();frame.setJMenuBar(menu);JMenugame=newJMenu(游戏);JMenuItemnewgame=game.add(新游戏);JMenuItempause=game.add(暂停);JMenuItemgoon=game.add(继续);JMenuItemexit=game.add(退出);JMenuhelp=newJMenu(帮助);JMenuItemabout=help.add(关于);menu.add(game);menu.add(help);frame.setLocationRelativeTo(null);frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);frame.setSize(220,275);frame.setTitle(Tetris内测版);//frame.setUndecorated(true);frame.setVisible(true);frame.setResizable(false);}}//创建一个俄罗斯方块类classTetrisblokextendsJPanelimplementsKeyListener{//blockType代表方块类型//turnState代表方块状态privateintblockType;privateintscore=0;privateintturnState;privateintx;privateinty;privateinti=0;intj=0;intflag=0;//定义已经放下的方块x=0-11,y=0-21;int[][]map=newint[13][23];//方块的形状第一组代表方块类型有S、Z、L、J、I、O、T7种第二组代表旋转几次第三四组为方块矩阵privatefinalintshapes[][][]=newint[][][]{//i{{0,0,0,0,1,1,1,1,0,0,0,0,0,0,0,0},{0,1,0,0,0,1,0,0,0,1,0,0,0,1,0,0},{0,0,0,0,1,1,1,1,0,0,0,0,0,0,0,0},{0,1,0,0,0,1,0,0,0,1,0,0,0,1,0,0}},//s{{0,1,1,0,1,1,0,0,0,0,0,0,0,0,0,0},{1,0,0,0,1,1,0,0,0,1,0,0,0,0,0,0},{0,1,1,0,1,1,0,0,0,0,0,0,0,0,0,0},{1,0,0,0,1,1,0,0,0,1,0,0,0,0,0,0}},//z{{1,1,0,0,0,1,1,0,0,0,0,0,0,0,0,0},{0,1,0,0,1,1,0,0,1,0,0,0,0,0,0,0},{1,1,0,0,0,1,1,0,0,0,0,0,0,0,0,0},{0,1,0,0,1,1,0,0,1,0,0,0,0,0,0,0}},//j{{0,1,0,0,0,1,0,0,1,1,0,0,0,0,0,0},{1,0,0,0,1,1,1,0,0,0,0,0,0,0,0,0},{1,1,0,0,1,0,0,0,1,0,0,0,0,0,0,0},{1,1,1,0,0,0,1,0,0,0,0,0,0,0,0,0}},//o{{1,1,0,0,1,1,0,0,0,0,0,0,0,0,0,0},{1,1,0,0,1,1,0,0,0,0,0,0,0,0,0,0},{1,1,0,0,1,1,0,0,0,0,0,0,0,0,0,0},{1,1,0,0,1,1,0,0,0,0,0,0,0,0,0,0}},//l{{1,0,0,0,1,0,0,0,1,1,0,0,0,0,0,0},{1,1,1,0,1,0,0,0,0,0,0,0,0,0,0,0},{1,1,0,0,0,1,0,0,0,1,0,0,0,0,0,0},{0,0,1,0,1,1,1,0,0,0,0,0,0,0,0,0}},//t{{0,1,0,0,1,1,1,0,0,0,0,0,0,0,0,0},{0,1,0,0,1,1,0,0,0,1,0,0,0,0,0,0},{1,1,1,0,0,1,0,0,0,0,0,0,0,0,0,0},{0,1,0,0,0,1,1,0,0,1,0,0,0,0,0,0}}};//生成新方块的方法publicvoidnewblock(){blockType=(int)(Math.random()*1000)%7;turnState=(int)(Math.random()*1000)%4;x=4;y=0;if(gameover(x,y)==1){newmap();drawwall();score=0;JOptionPane.showMessageDialog(null,GAMEOVER);}}//画围墙publicvoiddrawwall(){for(i=0;i12;i++){map[i][21]=2;}for(j=0;j22;j++){map[11][j]=2;map[0][j]=2;}}//初始化地图publicvoidnewmap(){for(i=0;i12;i++){for(j=0;j22;j++){map[i][j]=0;}}}//初始化构造方法Tetrisblok(){newblock();newmap();drawwall();Timertimer=newTimer(1000,newTimerListener());timer.start();}//旋转的方法publicvoidturn(){inttempturnState=turnState;turnState=(turnState+1)%4;if(blow(x,y,blockType,turnState)==1){}if(blow(x,y,blockType,turnState)==0){turnState=tempturnState;}repaint();}//左移的方法publicvoidleft(){if(blow(x-1,y,blockType,turnState)==1){x=x-1;};repaint();}//右移的方法publicvoidright(){if(blow(x+1,y,blockType,turnState)==1){x=x+1;};repaint();}//下落的方法publicvoiddown(){if(blow(x,y+1,blockType,turnState)==1){y=y+1;delline();};if(blow(x,y+1,blockType,turnState)==0){add(x,y,blockType,turnState);newblock();delline();};repaint();}//是否合法的方法publicintblow(intx,inty,intblockType,intturnState){for(inta=0;a4;a++){for(intb=0;b4;b++){if(((shapes[blockType][turnState][a*4+b]==1)&&(map[x+b+1][y+a]==1))||((shapes[blockType][turnState][a*4+b]==1)&&(map[x+b+1][y+a]==2))){return0;}}}return1;}//消行的方法publicvoiddelline(){intc=0;for(intb=0;b22;b++){for(inta=0;a12;a++){if(map[a][b]==1){c=c+1;if(c==10){score+=10;for(intd=b;d0;d--){for(inte=0;e11;e++){map[e][d]=map[e][d-1];}}}}}c=0;}}//判断你挂的方法publicintgameover(intx,inty){if(blow(x,y,blockType,turnState)==0){return1;}return0;}//把当前添加mappublicvoidadd(intx,inty,intblockType,intturnState){intj=0;for(inta=0;a4;a++){for(intb=0;b4;b++){if(map[x+b+1][y+a]==0){map[x+b+1][y+a]=shapes[blockType][turnState][j];};j++;}}}//画方块的的方法publicvoidpaintComponent(Graphicsg){super.paintComponent(g);//画当前方块for(j=0;j16;j++){if(shapes[blockType][turnState][j]==1){g.fillRect((j%4+x+1)*10,(j/4+y)*10,10,10);}}//画已经固定的方块for(j=0;j22;j++){for(i=0;i12;i++){if(map[i][j]==1){g.fillRect(i*10,j*10,10,10);}if(map[i][j]==2){g.drawRect(i*10,j*10,10,10);}}}g.drawString(score=+score,125,10);g.drawString(抵制不良游戏，,125,50);g.drawString(拒绝盗版游戏。,125,70);g.drawString(注意自我保护，,125,90);g.drawString(谨防受骗上当。,125,110);g.drawString(适度游戏益脑，,125,130);g.drawString(沉迷游戏伤身。,125,150);g.drawString(合理安排时间，,125,170);g.drawString(享受健康生活。,125,190);}//键盘监听publicvoidkeyPressed(KeyEvente){switch(e.getKeyCode()){caseKeyEvent.VK_DOWN:down();break;caseKeyEvent.VK_UP:turn();break;caseKeyEvent.VK_RIGHT:right();break;caseKeyEvent.VK_LEFT:left();break;}}//无用publicvoidkeyReleased(KeyEvente){}//无用publicvoidkeyTyped(KeyEvente){}//定时器监听classTimerListenerimplementsActionListener{publicvoidactionPerformed(ActionEvente){repaint();if(blow(x,y+1,blockType,turnState)==1){y=y+1;delline();};if(blow(x,y+1,blockType,turnState)==