import?java.awt.*;
import?java.applet.*;
import?java.awt.event.*;
import?java.awt.image.*;
import?java.awt.geom.*;
import?java.util.*;
class?Car{
??Image?img;
??int?x?y;
??Dimension?dim;
??Car（Image?img）{
????this.img=img;
??}??
??Car（Image?img?int?x?int?y）{
????this.img=img;?this.x=x;?this.y=y;
??}
??Car（Image?img?int?x?int?y?Dimension?dim）{
????this（img?x?y）;
????this.dim=dim;
??}
??void?draw（Graphics?g?ImageObserver?observer）{
????g.drawImage（img?x?y?observer）;??
??}
??int?getX（）{?return?x;}
??int?getY（）{?return?y;}
??void?setX（int?x）{this.x=x;}
??void?setY（int?y）{this.y=y;}
??void?setLocation（int?x?int?y）{
????this.x=x;?this.y=y;
??}
??
??int?getWidth（）{?return?img.getWidth（null）;}
??int?getHeight（）{?return?img.getHeight（null）;}
??Rectangle2D?getRectangle（）{
????return?new?Rectangle2D.Float（x?y?getWidth（）?getHeight（））;
??}
??void?move（int?dx?int?dy）{
????x+=dx;
????y+=dy;
????if（dim!=null）{
??????if（x<0）x=0;
??????if（x+getWidth（）>dim.getWidth（））?
????????x=（int）dim.getWidth（）-getWidth（）;
????}
??}
??boolean?intersects（Car?car）{
????return?getRectangle（）.intersects（car.getRectangle（））;
??}
??boolean?intersects（int?x?int?y）{
????return?getRectangle（）.intersects（x?y?getWidth（）?getHeight（））;
??}
}
public?class?CarRace?extends?applet?implements?KeyListener?Runnable{
??Image?buff;
??Canvas?screen;
??Graphics2D?gs?gb;
??Car?redCar;
??Car[]?enemy=new?Car[20];
??Button?bStart;
??Thread?game;
??boolean?loop=true;
??Dimension?dim=new?Dimension（200?300）;
??int?road;
??Random?rnd=new?Random（）;
??public?void?init（）{
????prepareResource（）;
????setBackground（Color.blue）;
????initScreen（）;
????add（screen）;
????bStart=new?Button（“開始游戲“）;
????add（bStart）;
????bStart.addActionListener（new?ActionListener（）{
??????public?void?actionPerformed（ActionEvent?ae）{
????????screen.requestFocus（）;
????????if（!game.isAlive（））
???????????game.start（）;
??????}
????}）;
??}
??void?prepareResource（）{
????Image?imgRed=getImage（getCodebase（）“images/red_car.gif“）;
????Image?imgBlue=getImage（getCodebase（）“images/blue_car.gif“）;
????Image?imgGreen=getImage（getCodebase（）“images/green_car.gif“）;
????MediaTracker?mt=new?MediaTracker（this）;
????try{
??????mt.addImage（imgRed?0）;
??????mt.addImage（imgBlue?1）;
??????mt.addImage（imgGreen?2）;
??????mt.waitForAll（）;
????}catch（Exception?e）{}
????buff=createImage（（int）dim.getWidth（）?（int）dim.getHeight（））;
????gb=（Graphics2D）buff.getGraphics（）;
????redCar=new?Car（imgRed?80250?dim）;
????
????for（int?i=0;i<10;i++）{
???????enemy[i]=new?Car（imgBlue?0?0）;
????}
????for（int?i=10;i???????enemy[i]=new?Car（imgGreen?0?0）;
????}
????for（int?i=0;i???????setEnemy（i）;
????}
????game=new?Thread（this）;
??}
??public?void?stop（）{
????loop=false;
??}
??public?void?run（）{
????while（loop）{
???????drawScreen（）;
???????try{?Thread.sleep（50）;}catch（Exception?e）{}
????}??
??}
??voi

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件????????232??2008-05-04?16:00??Android版2d賽車游戲和源碼\.classpath

?????文件????????388??2008-05-04?16:00??Android版2d賽車游戲和源碼\.project

?????文件???????2471??2008-05-04?16:08??Android版2d賽車游戲和源碼\bin\Car.class

?????文件????????801??2008-05-04?16:08??Android版2d賽車游戲和源碼\bin\CarRace$1.class

?????文件????????723??2008-05-04?16:08??Android版2d賽車游戲和源碼\bin\CarRace$2.class

?????文件???????5023??2008-05-04?16:08??Android版2d賽車游戲和源碼\bin\CarRace.class

?????文件????????141??2008-05-04?16:02??Android版2d賽車游戲和源碼\bin\java.policy.applet

?????文件???????1446??2008-05-04?16:05??Android版2d賽車游戲和源碼\images\blude_car.gif

?????文件???????1449??2008-05-04?16:05??Android版2d賽車游戲和源碼\images\green_car.gif

?????文件???????1401??2008-05-04?16:05??Android版2d賽車游戲和源碼\images\red_car.gif

?????文件??????10752??2008-05-04?16:08??Android版2d賽車游戲和源碼\images\Thumbs.db

?????文件???????4865??2008-05-04?16:08??Android版2d賽車游戲和源碼\src\CarRace.java

?????目錄??????????0??2013-11-08?18:57??Android版2d賽車游戲和源碼\bin

?????目錄??????????0??2013-11-08?18:57??Android版2d賽車游戲和源碼\images

?????目錄??????????0??2013-11-08?18:57??Android版2d賽車游戲和源碼\src

?????目錄??????????0??2013-11-08?18:57??Android版2d賽車游戲和源碼

-----------?---------??----------?-----??----

????????????????29692????????????????????16