aerolites.java

手机RPG游戏

package obj;
import main.*;

import java.util.*;
import javax.microedition.lcdui.*;

//陨石类
//继承自子弹类
public class Aerolites extends Bullets{

  public Vector as;
  private int max;//产生陨石的最大个数
  int r;//产生随机数
  int aw;
  int ah;
  int k=0;

  public Aerolites(int w,int h) {
    aw=w;
    ah=h;
    max=Cntrl.load.aeroliteMax;
    as=new Vector();
  }
  private void Add(Aerolite aer){
    if(as.size()>max)return;
    as.addElement(aer);
  }
  private void Remove(Aerolite aer){
    as.removeElement(aer);
  }

  private void Move(Bullets mybs){
    for(int i=0;i<as.size();i++){
      Aerolite aer=(Aerolite)as.elementAt(i);
      aer.Move(mybs);
    }
    for(int i=0;i<as.size();i++){
      Aerolite aer=(Aerolite)as.elementAt(i);
      if(!aer.getAlive()) Remove(aer);
    }
  }
  public void DrawSelves(Graphics g,Bullets mybs){
    makeAerolite();
    Move(mybs);
    for(int i=0;i<as.size();i++){
      Aerolite aer=(Aerolite)as.elementAt(i);
      aer.DrawSelf(g);
    }
  }
  private void makeAerolite(){//随机产生陨石
     k++;
     int natality=Cntrl.load.aeroliteNatality;//产生陨石的间隔
   if(k%natality==0){
     k=0;
     r=new Random().nextInt(aw);
     Add(new Aerolite(r,0,aw,ah));
   }//end if
   }//end addAerolite



}