bullets.java

手机RPG游戏

package obj;
import java.util.*;
import main.*;
import javax.microedition.media.*;
import java.io.*;
import thread.*;
import javax.microedition.lcdui.*;
public class Bullets {

  public Vector bs;
  private int max;

  int speed=Cntrl.load.myBulletSpeed;
  public Bullets() {
    max=Cntrl.load.myBulletMax;
    bs=new Vector();
  }
  private void Add(Bullet b){
    if(bs.size()>max)return;
    bs.addElement(b);
  }
  private void Remove(Bullet b){
    bs.removeElement(b);
  }

  private void Move(){
    for(int i=0;i<bs.size();i++){
      Bullet b=(Bullet)bs.elementAt(i);
      b.Move();
    }
    for(int i=0;i<bs.size();i++){
      Bullet b=(Bullet)bs.elementAt(i);
      if(!b.getAlive()) Remove(b);
    }
  }
  public void DrawSelves(Graphics g,boolean myPlanAlive,Action action,int myPlan_x,int myPlan_y,int w,int h){
    if(myPlanAlive)//如果玩家飞机是活的，就能打子弹
        {
          this.addMyBullet(action,myPlan_x,myPlan_y,w,h);
          Move();
        for(int i=0;i<bs.size();i++){
          Bullet b=(Bullet)bs.elementAt(i);
          b.DrawSelf(g);
        } }
  }
//////////////////////////////////////////////////////////////////////

private void addMyBullet(Action action,int myPlan_x,int myPlan_y,int w,int h){//玩家子弹的移动

      if(action.fire!=(0)){
        Add(new Bullet(myPlan_x,myPlan_y,0,speed,w,h));
        Cntrl.midt.bulletMid_play=true;//子弹的音乐开关
       }
    }


}