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1、import java.awt.*;import java.applet.Applet;public class Blocks extends Applet implements RunnableDimension d;Font largefont= new Font(Helvetica, Font.BOLD, 28);Font smallfont= new Font(Helvetica, Font.BOLD, 10);Color textcolor1=new Color(96,128,255);Color textcolor2=new Color(255,160,64);FontMetric

2、s fmsmall, fmlarge;Graphics goff;Image ii;Threadthethread;boolean ingame=false;final short xblocks=10;final short yblocks=20;final int blocksize=16;final int width=xblocks*blocksize;final int height=yblocks*blocksize;short screendata;final short maxcolors=6;Color blocks;final int barwidth=8;final Co

3、lor barcolor=new Color(128,255,64);final Color background=new Color(0,0,0);int score;short emptyline;int objectx, objecty;int objectx;short objecttype;short objectcolor;int objectrotation;int objectrotationd=0;short objectptr;short checkptr;final short itemcount=7;final short itemrotlen=8;final shor

4、t itemlen=itemrotlen*4;short count;final short maxcount=5;short curcount;boolean fast=false;final short screendelay=40;short screencount=40;boolean showtitle=true;int items=0,0, -1,0, 0,-1, -1,-1, /四方形，正常狀態(tài)0,0, -1,0, 0,1, -1,1, /被旋轉(zhuǎn)90度0,0, 1,0, 0,1, 1,1,0,0, 1,0, 0,-1, 1,-1,0,0, 0,-1, 0,-2, 0,-3,0,0

5、, -1,0, -2,0, -3,0,0,0, 0,1, 0,2, 0,3,0,0, 1,0, 2,0, 3,0,0,0, 1,0, 0,-1, -1,-1,0,0, 0,-1, -1,0, -1,1,0,0, -1,0, 0,1, 1,1,0,0, 0,1, 1,0, 1,-1,0,0, -1,0, 0,-1, 1,-1,0,0, 0,1, -1,0, -1,-1,0,0, 1,0, 0,1, -1,1,0,0, 0,-1, 1,0, 1,1,0,0, 1,0, -1,0, 0,-1,0,0, 0,1, 0,-1, -1,0,0,0, 0,1, -1,0, 1,0,0,0, 1,0, 0,-

6、1, 0,1,0,0, 0,-1, 1,-1, 0,1,0,0, -1,0, -1,-1, 1,0,0,0, -1,1, 0,1, 0,-1,0,0, -1,0, 1,0, 1,1,0,0, 0,1, 0,-1, -1,-1,0,0, 1,0, -1,0, -1,1,0,0, 0,-1, 0,1, 1,1,0,0, -1,0, 1,0, 1,-1,;int checks=-1,1, 0,1, -1,1, 0,1,-1,2, 0,2, -1,2, 0,2,0,2, 1,2, 0,2, 1,2,0,1, 1,1, 0,1, 1,1,0,1, 0,1, 0,1, 0,1,0,1, -1,1, -2,

7、1, -3,1,0,4, 0,4, 0,4, 0,4,0,1, 1,1, 2,1, 3,1,0,1, -1,0, 1,1, 0,1,0,1, -1,2, 0,1, -1,2,0,2, 1,2, -1,2, 0,2,0,2, 1,1, 0,2, 1,1,-1,1, 0,1, 1,0, 1,0,-1,1, 0,2, 0,2, -1,1,-1,2, 0,2, 1,1, 1,1,0,1, 1,2, 0,1, 1,2,-1,1, 0,1, 1,1, 1,1,-1,1, 0,2, 0,2, -1,1,-1,1, 0,2, 1,1, 1,1,0,2, 1,1, 0,2, 1,1,0,2, 1,0, 1,0,

8、 0,2,-1,1, 0,1, 1,1, 1,1,-1,2, 0,2, 0,2, -1,2,-1,1, 0,1, 1,2, 1,2,-1,0, 0,2, 0,2, -1,0,-1,2, 0,1, 1,1, 1,1,0,2, 1,2, 1,2, 0,2,-1,1, 0,1, 1,1, 1,1,;public string getAppletInfo()return(Blocks - by Ali);/初始化appletpublic void init()short i;screendata=new shortxblocksyblocks;blocks=new Colormaxcolors+1;/

9、設(shè)置背景色blocks0=background;/設(shè)置方塊顏色blocks1=new Color(255,0,0);blocks2=new Color(0,255,0);blocks3=new Color(0,0,255);blocks4=new Color(255,255,0);blocks5=new Color(255,0,255);blocks6=new Color(0,255,255);Graphics g;resize(width+2*barwidth,height+30);d=size();setBackground(background);g=getGraphics();g.se

10、tFont(smallfont);fmsmall=g.getFontMetrics();g.setFont(largefont);fmlarge=g.getFontMetrics();gameInit();/初始化游戲public boid gameInit()short i,j;for(i=0;ixblocks;i+)for(j=0;j=itemcount)objecttype=itemcount-1;objectptr=(short)(objecttype*itemlen);checkptr=(short)(Mat.random()*maxcolors+1);if (objectcolor

11、maxcolors)objectcolor=maxcolors;objectrotation=0;count=maxcount;/判斷游戲是否結(jié)束for(i=0;i=0&screendataobjectx+itemsobjectptr+i*2y!=0)ingame=false;showtitle=true;/判斷鍵盤是否被按下,并且處理事件public boolean keyDown(Event e, int key)if(ingame)if(Key=Event.LEFT)objectdx=-1;else if (Key=Event.RIGHT)objectdx=1;else if (Key=

12、Event.UP)objectrotationd=1;else if (Key=Event.DOWN)fast=true;else if (Key=Event.ESCAPE)ingame=false;elseif(Key=s|Key=S)ingame=true;gameInit();return true;/處理鍵盤抬起事件public boolean keyUp(Event e, int key)if(Key=Event.DOWN)fast=false;return true;/paint()方法public void paint(Graphics g)Graphics gg;if (gof

13、f=null&d.width0&d.height0)ii=createImage(d.width, d.height);goff=ii.getGraphics();if(goff=null|ii=null)return;/設(shè)置背景色goff.setColor(background);goff.fillRect(0, 0, d.width, d.height);/如果游戲已經(jīng)開始if(ingame)/調(diào)用playGame()方法playGame();else/否則,顯示其他信息/顯示初始信息showIntro();/ 顯示得分showScore();g.drawImage(ii, 0, 0, t

14、his);/實(shí)現(xiàn)游戲public void playGame()boolean bottomreached=false;boolean stillscrolling=false;if(emptyline0)bottomreached=drawObject();elsescrollDown();stillscrolling=true;drawBars();drawBlocks();if(stillscrolling|bottomreached)checkFull();/顯示初始信息public void showIntro()String s;drawBars();drawBlocks();if

15、 (showtitle)goff.setFont(largefont);s=俄羅斯方塊goff.setColor(textcolor1);goff.drawString(s, barwidth+(width-fmlarge.stringWidth(s)/2-2,height/2-22);goff.setColor(Color.white);goff.drawString(s, barwidth+(width-fmlarge.stringWidth(s)/2,height/2-20);elsegoff.setFont(smallfont);s=請按下S鍵開始游戲;goff.setColor(te

16、xtcolor1);goff.drawString(s,barwidth+(width-fmsmall.stringWidth(s)/2-1,height/2-31);goff.setColor(Color.white);goff.drawString(s,barwidth+(width-fmsmall.stringWidth(s)/2,height/2-30);s=使用左右方向鍵控制運(yùn)動;goff.setColor(textcolor2);goff.drawString(s,barwidth+(width-fmsmall.stringWidth(s)/2-1,height/2-11);gof

17、f.setColor(Color.white);goff.drawString(s,barwidth+(width-fmsmall.stringWidth(s)/2,height/2-10);s=使用向下的方向鍵實(shí)現(xiàn)旋轉(zhuǎn);goff.setColor(textcolor2);goff.drawString(s,barwidth+(width-fmsmall.stringWidth(s)/2-1,height/2+9);goff.setColor(Color.white);goff.drawString(s,barwidth+(width-fmsmall.stringWidth(s)/2,heig

18、ht/2+10);s=使用向下的方向鍵實(shí)現(xiàn)下降;goff.setColor(textcolor2);goff.drawString(s,barwidth+(width-fmsmall.stringWidth(s)/2-1,height/2+29);goff.setColor(Color.white);goff.drawString(s,barwidth+(width-fmsmall.stringWidth(s)/2,height/2+30);screencount-;if(screencount=0) screencount=screendelay; showtitle=!showtitle;

19、 public void drawBars()goff.setColor(barcolor);goff.fillRect(0,0,barwidth,blocksize*yblocks);goff.fillRect(barwidth+blocksize*xblocks,0,barwidth,blocksize*yblocks);goff.fillRect(0,blocksize*yblocks,xblocks*blocksize+2*barwidth,barwidth);public boolean drawObject()short i;boolean bottomreached=false;

20、int x,y,checkx,checky;/清除舊圖形for(i=0;i=0)screendataxy=0;if(screendatacheckschecky!=0)bottomreached=true;if(!bottomreached)count-;if(count=0|fast)objecty+;count=curcount;checkRotation();objectdx=0;objectrotationd=0;/繪制新圖形for(i=0;i=0)screendataxy=objectcolor;if(y=(yblocks-1)bottomreached=true;if (botto

21、mreached)score+;newObject();return bottomreached;public void checkRotation()int dummyx;int dummyrot;int x,y;short i;boolean cando=true;dummyrot=(objectrotation+objectrotationd)%4;dummyx=objectx+objectdx;/確認(rèn)該部分不會使屏幕旋轉(zhuǎn)for(i=0;i=xblocks)dummyx-=(x-xblocks+1);else if(x0)dummyx-=x;for(i=0;(i=0)cando=cand

22、o&(screendataxy=0);if(y=yblocks|x=xblocks)cando=false;if(cando)objectrotation=dummyrot;objectx=dummyx;public void drawBlocks()short x,y;for(x=0;xxblocks;x+)for(y=0;y=0&!found);y-)found=true;for(x=0;x800)curcount=1;else if(score600)curcount=2;else if(score400)curcount=3;else if(score200)curcount=4;fo

23、r(x=0;x0;y-)for(x=0;xxblocks;x+)screendataxy=screendataxy-1;for(x=0;xxblocks;x+)screendatax0=0;emptyline=-1;public void showScore()String s;goff.setFont(smallfont);goff.setColor(Color.white);s=得分: +score;goff.drawString(s,width/2-40,(yblocks+1)*blocksize+10);public void run()long starttime;Graphics

24、g;Thread.currentThread().setPriorit(Thread.MAX_PRIORITY);g=getGraphics();while(true)starttime=System.currentTimeMillis();trypaint(g);starttime+=60;Thread.sleep(Math.max(0,starttime-System.currentTimeMillis();catch(InterruptedException e)break;public void start()if(thethread=null) thethread=new Thread(this);thethread.start();public void stop()if (thethread!=null) thethread.stop();thethread=null;