package?com.wang.wangtianyuan;

import?java.awt.Color;
import?java.awt.Graphics;
import?java.awt.Toolkit;
import?java.awt.event.KeyEvent;
import?java.awt.event.KeyListener;
import?java.awt.event.MouseEvent;
import?java.awt.event.MouseListener;
import?java.awt.event.MouseMotionListener;
import?java.util.Vector;

import?javax.swing.JPanel;

public?class?MyPanel?extends?JPanel?implements?RunnableMouseListenerMouseMotionListenerKeyListener{
	
	public?int?star_x[]=new?int?[2000];		//定義小星星數組的坐標X
	public?int?star_y[]=new?int?[2000];????//定義小星星數組的坐標Y
	public?int?meteor_x;					//流星坐標X
	public?int?meteor_y;					//流星坐標Y
	public?int?count;//定義一個標志數
	public?int?dis;?		//定義一個流星兩點之間的距離
	public?int?moon_xmoon_y;	//定義月亮的坐標
	public?int?moonbk_xmoonbk_y;	//定義月亮背景
	
	public?double?mouse_xmouse_y;	?//定義鼠標的坐標
	public?double?mouse_sxmouse_sy;//定義鼠標與中點的坐標差值
	public?double?mouse_txmouse_ty;//定義鼠標的前一個位置
	public?double?mouse_stxmouse_sty;//定義鼠標前一個位置與中點的坐標差值
	public?double?am;//當前鼠標的水平角度
	public?double?atm;//前一刻鼠標的水平角度
	
	public?double?star_sx[]=new?double?[2000];			//定義星星X軸差值
	public?double?star_sy[]=new?double?[2000];????		//定義星星Y軸差值
	public?int?origin_x;??????????	//定義原點x坐標
	public?int?origin_y;			//定義原點Y坐標
	public?double?R[]=new?double[2000];?					//定義星星運動半徑的長度
	public?double?a[]=new?double[2000];	//定義當前每顆星星水平角度
	public?int?once;?????//標志位執行一次
	public?int?key;//定義按鍵值
	public?int?keymark;//定義按鍵標志位
	public?int?first;//點擊星星下標初始值
	
	public?boolean?move=false;
	
	public?Vector?keyClickshuzu=?new?Vector（）;	//定義鍵盤點擊數組
	
	public?int?temp;//星星掉落時的下標順序號
	
	
	public?MyPanel（）{
		//?隨機取值星星的坐標-------------?-------------------
		for?（int?i?=?0;?i?			star_x[i]=（int）?（Math.random（）*Toolkit.getDefaultToolkit（）.getScreenSize（）.width*2）;?
			star_y[i]=（int）?（Math.random（）*Toolkit.getDefaultToolkit（）.getScreenSize（）.height*2）;			
		}
		//隨機取值流星的第一個坐標-----------------------
		meteor_x=（int）?（Math.random（）*Toolkit.getDefaultToolkit（）.getScreenSize（）.width）;
		meteor_y=（int）?（Math.random（）*Toolkit.getDefaultToolkit（）.getScreenSize（）.height）;
		//隨機取流星兩點之間的區間
		dis=（int）?（Math.random（）*100）;
		count=0;
		
		//初始化月亮的位置
		moon_x=Toolkit.getDefaultToolkit（）.getScreenSize（）.width/4;
		moon_y=100;
		//初始化月亮影子的背景
		moonbk_x=moon_x+20;
		moonbk_y=moon_y-10;
		addMouseListener（this）;				//添加鼠標監聽
		addMouseMotionListener（this）;
		
		//初始化原點坐標
		origin_x=Toolkit.getDefaultToolkit（）.getScreenSize（）.width/2;
		origin_y=Toolkit.getDefaultToolkit（）.getScreenSize（）.height/2;
		

		//星星運動半徑的長度--------------------------------------------------------
		for?（int?i?=?0;?i?			//星星X軸與中點差值
			star_sx[i]=（double）star_x[i]-（double）origin_x;
			//星星Y軸與中點的差值
			star_sy[i]=（double）star_y[i]-（double）origin_y;
			//當前水平角度
			a[i]=Math.atan（star_sy[i]/star_sx[i]）*180/Math.PI;
			R[i]=Math.sqrt（star_sx[i]*star_sx[i]
					+star_sy[i]*star_sy[i]）;
		}
		
		
		once?=0;//鼠標移動標志位
		keymark=0;//鍵盤按下值
	

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件????????301??2015-07-30?22:15??nightSky\.classpath

?????文件????????384??2015-07-30?22:15??nightSky\.project

?????文件????????598??2015-07-30?22:15??nightSky\.settings\org.eclipse.jdt.core.prefs

?????文件???????7579??2015-08-11?17:12??nightSky\bin\com\wang\wangtianyuan\MyPanel.class

?????文件???????1282??2015-08-11?17:12??nightSky\bin\com\wang\wangtianyuan\sky.class

?????文件???????7093??2015-08-03?21:28??nightSky\bin\web.png

?????文件??????12642??2015-08-11?15:39??nightSky\src\com\wang\wangtianyuan\MyPanel.java

?????文件????????878??2015-08-10?20:39??nightSky\src\com\wang\wangtianyuan\sky.java

?????目錄??????????0??2015-10-18?15:28??nightSky\bin\com\wang\wangtianyuan

?????目錄??????????0??2015-10-18?15:28??nightSky\src\com\wang\wangtianyuan

?????目錄??????????0??2015-10-18?15:28??nightSky\bin\com\wang

?????目錄??????????0??2015-10-18?15:28??nightSky\src\com\wang

?????目錄??????????0??2015-10-18?15:28??nightSky\bin\com

?????目錄??????????0??2015-10-18?15:28??nightSky\src\com

?????目錄??????????0??2015-10-18?15:28??nightSky\.settings

?????目錄??????????0??2015-10-18?15:28??nightSky\bin

?????目錄??????????0??2015-10-18?15:28??nightSky\src

?????目錄??????????0??2015-10-18?15:28??nightSky

-----------?---------??----------?-----??----

????????????????30757????????????????????18