package?cn.tedu.day05;

import?java.awt.Graphics;
import?java.awt.Image;

/*
?*?定義炮彈的屬性???給屬性賦值???畫炮彈的方法???炮彈移動的方法
?*/
public?class?Bullet?{
	//定義炮彈的坐標(biāo)
	int?bxby;
	//炮彈的圖片對象
	Image?bImg;
	//定義一個布爾類型的標(biāo)識，用于炮彈的生存
	boolean?exist=true;
	//構(gòu)造方法完成初始化
	public?Bullet（int?bx?int?by?Image?bImg）?{
		super（）;
		this.bx?=?bx;
		this.by?=?by;
		this.bImg?=?bImg;
	}
	//自定義一個方法畫炮彈
	public?void?drawBullet（Graphics?g）{
		g.drawImage（bImg?bx?by?null）;
	}
	//炮彈移動的方法
	public?void?moveBullet（）{
		by--;
		if（by<=-bImg.getHeight（null））{
			exist=false;
		}
	}
	/*public?void?moveBullet（int?flg）{
		bx++;
		by--;
		if（by<=-bImg.getHeight（null））{
			exist=false;
		}
	}*/
}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2017-07-25?17:09??goods\
?????文件?????????868??2017-07-28?08:48??goods\Bullet.java
?????文件?????????493??2017-07-28?08:48??goods\BulletAndElan.java
?????文件?????????753??2017-07-28?08:48??goods\Elan.java
?????文件?????????682??2017-07-28?08:48??goods\ShootJframe.java
?????文件????????7040??2017-07-28?08:48??goods\ShootJPanel.java
?????目錄???????????0??2017-07-25?17:08??goods\image\
?????文件????????4096??2017-07-25?17:08??goods\image\._plan1.png
?????文件????????4096??2017-07-25?17:08??goods\image\._plan1_spec.png
?????文件????????7891??2017-07-25?17:08??goods\image\1.png
?????文件????????7852??2017-07-25?17:08??goods\image\2.png
?????目錄???????????0??2017-08-02?10:54??goods\image\BossPlane\
?????文件????????6148??2017-07-25?17:08??goods\image\BossPlane\.DS_Store
?????文件???????35935??2017-07-25?17:08??goods\image\BossPlane\plane_0.png
?????文件???????36380??2017-07-25?17:08??goods\image\BossPlane\plane_1.png
?????文件???????34202??2017-07-25?17:08??goods\image\BossPlane\plane_2.png
?????目錄???????????0??2017-07-25?17:08??goods\image\GameInterface\
?????文件????????6148??2017-07-25?17:08??goods\image\GameInterface\.DS_Store
?????文件????????4096??2017-07-25?17:08??goods\image\GameInterface\._jeimian_2.png
?????文件??????357656??2017-07-25?17:08??goods\image\GameInterface\interface_1.png
?????文件??????423561??2017-07-25?17:08??goods\image\GameInterface\jeimian_2.png
?????目錄???????????0??2017-07-25?17:08??goods\image\HeroPlane\
?????文件????????6148??2017-07-25?17:08??goods\image\HeroPlane\.DS_Store
?????文件????????4096??2017-07-25?17:08??goods\image\HeroPlane\._plane_1.png
?????文件???????26825??2017-07-25?17:08??goods\image\HeroPlane\plane_1.png
?????文件???????27079??2017-07-25?17:08??goods\image\HeroPlane\plane_2.png
?????文件???????27161??2017-07-25?17:08??goods\image\HeroPlane\plane_3.png
?????目錄???????????0??2017-07-25?17:08??goods\image\LittlePlane\
?????文件????????6148??2017-07-25?17:08??goods\image\LittlePlane\.DS_Store
?????文件????????4096??2017-07-25?17:08??goods\image\LittlePlane\._plane2.png
?????文件????????4096??2017-07-25?17:08??goods\image\LittlePlane\._plane3.png
............此處省略57個文件信息