学步园

<br /> import java.applet.*;<br /> import java.util.*;<br /> import java.awt.*;<br /> import java.awt.event.*;<br /> public class T6 extends Applet implements Runnable<br /> {<br /> Thread tt;<br /> int AppletWidth,AppletHeight;<br /> Image OffScreen,bullet,player,player2;<br /> Graphics drawOffScreen;<br /> MediaTracker MT;<br /> ImageSprite2 GS1,FS1;<br /> BulletSprite2 ZD1;<br /> public void init(){<br /> MT = new MediaTracker(this);<br /> resize(800,600);<br /> AppletWidth = getSize().width;<br /> AppletHeight = getSize().height;<br /> bullet = getImage(getDocumentBase(),"zd.GIF");<br /> player = getImage(getDocumentBase(),"a2.GIF");<br /> player2 = getImage(getDocumentBase(),"a1.GIF");<br /> MT.addImage(player,0);<br /> MT.addImage(player2,0);<br /> MT.addImage(bullet,0);<br /> try{<br /> MT.waitForAll();<br /> }catch(Exception e){}<br /> GS1 = new ImageSprite2(player2,this,0);<br /> FS1 = new ImageSprite2(player,this,1);<br /> ZD1 = new BulletSprite2(bullet,this,AppletWidth,AppletHeight);<br /> GS1.setSize(player2.getWidth(this),player2.getHeight(this));<br /> FS1.setSize(player.getWidth(this),player.getHeight(this));<br /> ZD1.setSize(bullet.getWidth(this),bullet.getWidth(this));<br /> GS1.setLocation(10,10);<br /> FS1.setLocation(800,10);<br /> OffScreen = createImage(AppletWidth,AppletHeight);<br /> drawOffScreen = OffScreen.getGraphics();<br /> }<br /> public void start(){<br /> tt = new Thread(this);<br /> tt.start();<br /> }<br /> public void stop(){tt=null;}<br /> public void run()<br /> {<br /> int i2 = 0;<br /> while(tt !=null)<br /> {<br /> repaint();<br /> try{<br /> Thread.sleep(33);<br /> }catch(Exception e){}<br /> GS1.updateState();<br /> FS1.updateState();<br /> ZD1.updateState();<br /> if(i2++ > 10)<br /> {<br /> start1();<br /> i2=0;<br /> }<br /> if(ZD1.hit2(FS1.getX(),FS1.getY(),FS1.getWidth(),FS1.getHeight()))<br /> {<br /> ZD1.setBullet(false);<br /> }<br /> if(FS1.hit2(ZD1.getX(),ZD1.getY(),ZD1.getWidth(),ZD1.getHeight()))<br /> {<br /> FS1.setLocation(FS1.getX()+2,FS1.getY());<br /> }<br /> }<br /> }<br /> public void paint(Graphics g)<br /> {<br /> drawOffScreen.clearRect(0,0,AppletWidth,AppletHeight);<br /> GS1.paintSprite(drawOffScreen);<br /> FS1.paintSprite(drawOffScreen);<br /> ZD1.paintSprite(drawOffScreen);<br /> g.drawImage(OffScreen,0,0,this);<br /> }<br /> public void update(Graphics g){paint(g);}<br /> public void start1()<br /> {<br /> if(ZD1.canVisible() == false &&<br /> ZD1.canMove() == false)<br /> {<br /> ZD1.setLocation(GS1.getX()+GS1.getWidth(),GS1.getY()+(GS1.getHeight()/2));<br /> ZD1.setVisible(true);<br /> ZD1.setMove(true);<br /> }<br /> }<br /> }<br />  

import java.applet.*;<br /> import java.util.*;<br /> import java.awt.*;<br /> import java.awt.event.*;<br /> abstract class SuperSprite<br /> {<br /> int X,Y,width,height;<br /> boolean visible,active;<br /> abstract public void paintSprite(Graphics g);<br /> abstract public void updateState();<br /> public int getX(){return X;}<br /> public int getY(){return Y;}<br /> public void setLocation(int X,int Y)<br /> {<br /> this.X = X;<br /> this.Y = Y;<br /> }<br /> public int getWidth()<br /> {<br /> return width;<br /> }<br /> public int getHeight()<br /> {<br /> return height;<br /> }<br /> public void setSize(int width,int height)<br /> {<br /> this.width = width;<br /> this.height = height;<br /> }<br /> public boolean canVisible()<br /> {<br /> return visible;<br /> }<br /> public void setVisible(boolean v)<br /> {<br /> visible = v;<br /> }<br /> public boolean canMove()<br /> {<br /> return active;<br /> }<br /> public void setMove(boolean m)<br /> {<br /> active = m;<br /> }<br /> } 

import java.applet.*;<br /> import java.util.*;<br /> import java.awt.*;<br /> import java.awt.event.*;</p> <p>class ImageSprite2 extends SuperSprite<br /> {<br /> int vx,vy;<br /> Image SpriteImage;<br /> Applet Game;<br /> Boolean showPig;<br /> public ImageSprite2(Image SpriteImage,Applet Game,int vx)<br /> {<br /> this.SpriteImage = SpriteImage;<br /> this.Game = Game;<br /> this.vx = vx;<br /> showPig = false;<br /> setLocation(0,0);<br /> setVisible(true);<br /> setMove(true);<br /> }<br /> public void updateState()<br /> {<br /> if(active)<br /> {<br /> X += vx;<br /> //Y += vy;<br /> }<br /> //System.out.println(X);<br /> //System.out.println(Y);<br /> //if((X>640 || Y>480) || (X<0 || Y < 0))<br /> if((X>800 || Y>600) || (X<0 || Y < 0))<br /> {<br /> //showPig = false;<br /> showPig = false;<br /> vx=-vx;<br /> //vy=-vy;<br /> }else{<br /> //showPig = true;<br /> showPig = true;<br /> }<br /> }<br /> public void paintSprite(Graphics g)<br /> {<br /> if(visible)<br /> {<br /> g.drawImage(SpriteImage,X,Y,Game);<br /> }<br /> }<br /> public boolean hit(int X,//对方现在X的坐标<br /> int Y,//对方现在Y的坐标<br /> int P_Width,//自己图片的长度<br /> int P_Height,//自己图片的高度<br /> int H_Width,//对方图片的长度<br /> int H_Height//对方图片的高度<br /> )<br /> {<br /> if(<br /> (this.X + P_Width >= X) &&<br /> //(this.X + 40 >= X) &&<br /> (this.Y + P_Height >= Y) &&<br /> //(this.Y + 40 >= Y) &&<br /> (X + H_Width >= this.X) &&<br /> //(X + 40 >= this.X) &&<br /> (Y + H_Height >= this.Y) &&<br /> //(Y + 40 >= this.Y) &&<br /> //showPig<br /> showPig<br /> )<br /> {<br /> //showPig = false;<br /> showPig = false;<br /> //setVisible(false);<br /> //setMove(false);<br /> return true;<br /> }else<br /> return false;<br /> }<br /> public boolean hit2(int DiX,<br /> int DiY,<br /> int Di_Width,<br /> int Di_Height)<br /> {<br /> if(<br /> (this.X + this.width >= DiX) &&<br /> (this.Y + this.height >= DiY) &&<br /> (DiX + Di_Width >= this.X) &&<br /> (DiY + Di_Height >= this.Y) &&<br /> showPig<br /> ){<br /> /*System.out.println(DiX);<br /> System.out.println(DiY);<br /> System.out.println(Di_Width);<br /> System.out.println(Di_Height);<br /> System.out.println(showPig);<br /> System.out.println();<br /> System.out.println(this.X);<br /> System.out.println(this.Y);<br /> System.out.println(this.width);<br /> System.out.println(this.height);*/<br /> showPig = false;<br /> return true;<br /> }else<br /> return false;<br /> }<br /> }<br />  

<br /> import java.applet.*;<br /> import java.util.*;<br /> import java.awt.*;<br /> import java.awt.event.*;</p> <p>class BulletSprite2 extends ImageSprite2<br /> {<br /> int AppletWidth,AppletHeight;<br /> boolean bullet = true;<br /> public BulletSprite2(Image bullet,Applet Game,int AppletWidth,int AppletHeight)<br /> {<br /> super(bullet,Game,0);<br /> this.AppletWidth = AppletWidth;<br /> this.AppletHeight = AppletHeight;<br /> setVisible(false);<br /> setMove(false);<br /> //System.out.println(showPig);<br /> showPig = true;<br /> }<br /> public void updateState()<br /> {<br /> if(active)<br /> {<br /> if(X>AppletWidth)<br /> {<br /> setVisible(false);<br /> setMove(false);<br /> showPig = false;<br /> }else if(bullet == false){<br /> setVisible(false);<br /> setMove(false);<br /> //System.out.println("bullet = "+bullet);<br /> bullet = true;<br /> //System.out.println("bullet = "+bullet);<br /> showPig = false;<br /> }else{<br /> showPig = true;<br /> X = X+10;<br /> }<br /> }<br /> }<br /> public void paintSprite(Graphics g)<br /> {<br /> if(visible)<br /> {<br /> g.drawImage(SpriteImage,X,Y,Game);<br /> }<br /> }<br /> public boolean getBullet()<br /> {<br /> return bullet;<br /> }<br /> public void setBullet(boolean v)<br /> {<br /> this.bullet = v;<br /> }<br /> }