woodsprite.java

自己编的手机游戏

import javax.microedition.lcdui.*;
import javax.microedition.lcdui.game.*;
public class woodSprite extends Sprite{
private static int width=28;
private static int height=21;
private int disWidth;
private int disHeight;
private int nowX;
private int nowY;
private int position;
private int moveLength;
private boolean isLPoke;
private boolean isRPoke;
public woodSprite(int dWidth,int dHeight,int pos)throws Exception{
super(Image.createImage("/wood.png"[img]/images/wink.gif[/img],width,height);
position=pos;
disWidth=dWidth;
disHeight=dHeight;
}
public void reset(){ 
moveLength=0;
isLPoke=false;
isRPoke=false;
for(int i=1;i<=3;i++){
if(position==i){
nowX=(disWidth-getWidth())/2;
nowY=disHeight-(position+1)*40;
}
}
setPosition(nowX,nowY);
}
public boolean checkCollides(stickSprite stick,boolean isLeft){ 
if(this.collidesWith(stick,false)){
if(isLPoke&&!isLeft) 
    return true;   
  if(isRPoke&&isLeft) 
    return true;    
if(isLeft&&!isRPoke){
isLPoke=true; 
nowX+=3;
moveLength+=3;
}
if(!isLeft&&!isLPoke){
isRPoke=true; 
  nowX-=3;
  moveLength+=3;
}
if(moveLength>=11){
if(isLeft){
   nowX=nowX-moveLength+11;
   isLPoke=false;   
   }
     else{
       nowX=nowX+moveLength-11;
       isRPoke=false;       
     }
moveLength=0; 
this.setPosition(nowX,nowY);
return true;
}
}
this.setPosition(nowX,nowY);
return false;
}
public boolean isSoar(stoneSprite stone){
if(!collidesWith(stone,false))
return true;
return false;
}
public boolean flatten(kidSprite kid){
if(collidesWith(kid,false))
return true;
return false;
}
public boolean fallDown(){
nowY+=4;
if(nowY>disHeight-40){
nowY=disHeight-40;
setPosition(nowX,nowY);
return false;
}
setPosition(nowX,nowY);
setVisible(true);
return true;
}
public boolean isLeftWin(){
if(nowX>=(disWidth+getWidth())/2)
  return true;
else
  return false;
}
}