myship.java~1~

来自「一款基于j2me技术的手机版游戏——飞机射击」· JAVA~1~ 代码 · 共 52 行

import javax.microedition.lcdui.*;

class MyShip extends Sprite{
  private Image shipImg =null,burstImg=null;
  int actid;

  public MyShip() {
    try {
      switch(actid){
        case 0:
          shipImg  =  Image.createImage("/myshipImg1.png");
          break;
        case 1:
          shipImg  =  Image.createImage("/myshipImg2.png");
          break;
        case 2:
          shipImg  =  Image.createImage("/myshipImg3.png");
          break;
      }
      burstImg  =  Image.createImage("/burstImg.png");
    }
    catch (Exception e){}
    width = shipImg.getWidth();
    height= shipImg.getHeight();
  }
  void setActid(int actid){
  this.actid = actid ;
}

  void doMove(){
    tickCount++;
    if (isHit()){
      if (tickCount > 4){
        setHit(false);
      }
    }
    else{
        if(tickCount > 4 ){
      tickCount = 0 ;
    }
    }
  }

  void doDraw(Graphics g){
    if(isHit()){
      g.drawImage(burstImg,x,y,20);
    }else{
       g.drawImage(shipImg,x,y,20);
    }
  }
}