java小程序,坦克大战

1、第一个类：package 坦克;import java.awt.Color;import java.awt.Graphics;import java.awt.Rectangle;import java.util.List;import 坦克.Tank.Direction;/10public class Missile public static final int WIDTH = 10;public static final int HEIGHT = 10;public static final int XSPEED = 10;public static final int YSPEED =

2、10;private int x;private int y;Tank.Direction dir;/14private boolean mlive=true;TankClient tc;/14/19private boolean mgood=true;public Missile(int x, int y, Tank.Direction dir,TankClient tc,boolean mgood) this.x = x;this.y = y;this.dir = dir;this.tc=tc;this.mgood=mgood;public void darw (Graphics g)if

3、(!mlive)return;/炮弹死亡就不画了Color c=g.getColor();g.setColor(Color.red);g.fillOval(x, y, WIDTH, HEIGHT);g.setColor(c);/g.setColor(Color.black);move();void move() switch(dir)case L:x-=XSPEED;break;case LU:x-=XSPEED;y-=YSPEED;break;case U:y-=YSPEED;break;case RU:x+=XSPEED;y-=YSPEED;break;case R:x+=XSPEED;b

4、reak;case RD:x+=XSPEED;y+=YSPEED;break;case D:y+=YSPEED;break;case LD:x-=XSPEED;y+=YSPEED;break;case STOP:break;if(x<0 | y<0 | x>TankClient.GAME_WIDTH | y>TankClient.GAME_HEIGHT)mlive=false;/14 炮弹死亡/14 当炮弹死亡就从容器中去掉tc.missiles.remove(this);/16public Rectangle getRect()return new Rectangle

5、(x, y, WIDTH, HEIGHT);public boolean hitTank(Tank tk)if(this.getRect().intersects(tk.getRect() &&tk.isTklive()&&this.mgood!=tk.isTkgood()/坦克死了，子弹也要死this.mlive=false;tc.missiles.remove(this);/炮弹死亡从容其中去掉tk.setTklive(false);return false;/18public boolean hitTanks(List<Tank> tanks)

6、for(Tank tk:tanks)if(hitTank(tk)return true;return false;第二个类：package 坦克;import java.awt.Color;import java.awt.Graphics;import java.awt.Rectangle;import java.awt.event.KeyAdapter;import java.awt.event.KeyEvent;import java.util.Random;public class Tank private int x;private int y;public static final

7、int WIDTH=30;public static final int HEIGHT=30;public static final int XSPEED=5;public static final int YSPEED=5;/8private boolean bL=false,bU=false,bR=false,bD=false;enum DirectionL,LU,U,RU,R,RD,D,LD,STOP;Direction dir=Direction.STOP;/默认坦克停止/11TankClient tc;/12 Tank 类增加新的属性ptDirDirection ptDir=Dire

8、ction.L;/15private boolean tkgood=true; /16private boolean tklive=true;/19static Random r=new Random();/19int step=r.nextInt(10)+3;public Tank(int x, int y) this.x = x;this.y = y;/19public Tank(int x, int y,TankClient tc,boolean tkgood,Tank.Direction dir) this.x = x;this.y = y;this.tc=tc;this.tkgood

9、=tkgood;this.dir=dir;/19public Tank(int x, int y,TankClient tc,boolean tkgood) this.x = x;this.y = y;this.tc=tc;this.tkgood=tkgood;public void darw (Graphics g)if(!tklive) return;/坦克死了也不画了Color c=g.getColor();if(tkgood)g.setColor(Color.red);elseg.setColor(Color.blue);g.fillOval(x, y, WIDTH, HEIGHT);

10、g.setColor(c);/12 将炮筒用直线的形式表现出来switch(ptDir)case L:g.drawLine(this.x+Tank.WIDTH/2, this.y+Tank.HEIGHT/2, this.x, this.y+Tank.HEIGHT/2);break;case LU:g.drawLine(this.x+Tank.WIDTH/2, this.y+Tank.HEIGHT/2, this.x, this.y);break;case U:g.drawLine(this.x+Tank.WIDTH/2, this.y+Tank.HEIGHT/2, this.x+Tank.WI

11、DTH/2, this.y);break;case RU:g.drawLine(this.x+Tank.WIDTH/2, this.y+Tank.HEIGHT/2, this.x+Tank.WIDTH, this.y);break;case R:g.drawLine(this.x+Tank.WIDTH/2, this.y+Tank.HEIGHT/2, this.x+Tank.WIDTH, this.y+Tank.HEIGHT/2);break;case RD:g.drawLine(this.x+Tank.WIDTH/2, this.y+Tank.HEIGHT/2, this.x+Tank.WI

12、DTH, this.y+Tank.HEIGHT);break;case D:g.drawLine(this.x+Tank.WIDTH/2, this.y+Tank.HEIGHT/2, this.x+Tank.WIDTH/2, this.y+Tank.HEIGHT);break;case LD:g.drawLine(this.x+Tank.WIDTH/2, this.y+Tank.HEIGHT/2, this.x, this.y+Tank.HEIGHT);break;move();g.setColor(c);/8void move() switch(dir)case L:x-=XSPEED;br

13、eak;case LU:x-=XSPEED;y-=YSPEED;break;case U:y-=YSPEED;break;case RU:x+=XSPEED;y-=YSPEED;break;case R:x+=XSPEED;break;case RD:x+=XSPEED;y+=YSPEED;break;case D:y+=YSPEED;break;case LD:x-=XSPEED;y+=YSPEED;break;case STOP:break;/12 每次move 后根据Tank 新的方向确定炮筒方向if(this.dir!=Direction.STOP)this.ptDir=this.di

14、r;/防止坦克出界if(x<0)x=0;if(y<30)y=30;if(x+Tank.WIDTH>TankClient.GAME_WIDTH)x=TankClient.GAME_WIDTH-Tank.WIDTH;if(y+Tank.HEIGHT>TankClient.GAME_HEIGHT)y=TankClient.GAME_HEIGHT-Tank.HEIGHT;/19if(!tkgood)/敌军坦克if(step=0)Directiondirs=Direction.values();int rv=r.nextInt(dirs.length);this.dir=dirs

15、rv;step=r.nextInt(10)+3;step-;/敌人发子弹if(r.nextInt(40)>38)fire();/6键盘监视器public void keyReleased(KeyEvent e)int key=e.getKeyCode();/得到键盘按那个键的askll码switch(key)case KeyEvent.VK_LEFT:bL=false; break;case KeyEvent.VK_RIGHT:bR=false;break;case KeyEvent.VK_UP:bU=false;break;case KeyEvent.VK_DOWN:bD=false;

16、break;locationDirecttion();public void keyPressed(KeyEvent e) int key=e.getKeyCode();/得到键盘按那个键的askll码switch(key)/11case KeyEvent.VK_CONTROL:fire();break;case KeyEvent.VK_LEFT:bL=true; break;case KeyEvent.VK_RIGHT:bR=true;break;case KeyEvent.VK_UP:bU=true;break;case KeyEvent.VK_DOWN:bD=true;break;loc

17、ationDirecttion();/11 private Missile fire() if(!this.tklive)return null; int x=this.x+Tank.WIDTH/2-Missile.WIDTH/2; int y=this.y+Tank.HEIGHT/2-Missile.HEIGHT/2; /12Missile m=new Missile(x, y, ptDir,tc,tkgood);tc.missiles.add(m);return m; /8 void locationDirecttion() if(bL&&!bU&&!bR&

18、amp;&!bD)dir=Direction.L;else if(bL&&bU&&!bR&&!bD)dir=Direction.LU;else if(!bL&&bU&&!bR&&!bD)dir=Direction.U;else if(!bL&&bU&&bR&&!bD)dir=Direction.RU;else if(!bL&&!bU&&bR&&!bD)dir=Direction.R;else if

19、(!bL&&!bU&&bR&&bD)dir=Direction.RD;else if(!bL&&!bU&&!bR&&bD)dir=Direction.D;else if(bL&&!bU&&!bR&&bD)dir=Direction.LD;else if(!bL&&!bU&&!bR&&!bD)dir=Direction.STOP;/16public Rectangle getRect()return new

20、 Rectangle(x, y, WIDTH, HEIGHT);public boolean isTklive() return tklive;public void setTklive(boolean tklive) this.tklive = tklive;public boolean isTkgood() return tkgood;public void setTkgood(boolean tkgood) this.tkgood = tkgood;但三个类：package 坦克;import java.awt.event.KeyAdapter;import java.awt.event

21、.KeyEvent;import java.awt.event.WindowAdapter;import java.awt.event.WindowEvent;import java.awt.Color;import java.awt.Frame;import java.awt.Graphics;import java.awt.Image;import java.awt.List;import java.util.ArrayList;import javax.swing.text.AbstractDocument.BranchElement;import java.awt.List;impor

22、t java.awt.List;public class TankClient extends Frame/5 public static final int WIDTH=30; public static final int HEIGHT=30; public static final int GAME_WIDTH=800; public static final int GAME_HEIGHT=600; /4int x=50,y=50;/7建个坦克 /11Tank mytank=new Tank(x, y,this,true);/18java.util.List<Tank> d

23、tanks=new ArrayList<Tank>();/(150, y,this,false); /3/11 /13/java.util.List<Missile>missiles=new ArrayList<Missile>();java.util.List<Missile> missiles=new ArrayList<Missile>();Missile missile=null;public void paint(Graphics g) /*if(missile!=null)missile.darw(g);*/for (in

24、t i = 0; i < missiles.size(); i+) Missile m=missiles.get(i);/ m.hitTank(dtank);/16 m.hitTanks(dtanks); m.hitTank(mytank); m.darw(g);mytank.darw(g);for (int i = 0; i <dtanks.size(); i+) Tank dtank=dtanks.get(i);dtank.darw(g); /4:加入缓冲 图片技术改变图片显示效果Image image=null; Overridepublic void update(Grap

25、hics g) if(image=null) image=this.createImage(800, 600); Graphics imageg=image.getGraphics(); Color c=imageg.getColor(); imageg.setColor(Color.BLACK); imageg.clearRect(0, 0, GAME_WIDTH, GAME_HEIGHT); paint(imageg);/在图片上画 imageg.setColor(c); g.drawImage(image, 0, 0, null);/g是窗口的笔，在窗口上面画public TankClient() /18for (int i = 1; i <=20; i+) dtanks.add(new Tank(x+30*2*i,y,this,false,Tank.Direction.RD);this.setTitle("坦克大战");this.setSize(GAME_WIDTH