package?My_Snow;
import?java.awt.Graphics;
import?java.awt.Graphics2D;
import?java.awt.Image;
import?java.awt.Rectangle;
import?java.io.File;
import?java.io.IOException;
import?java.util.ArrayList;
import?java.util.Iterator;
import?java.util.Random;

import?javax.imageio.ImageIO;
import?javax.swing.ImageIcon;
import?javax.swing.Jframe;
import?javax.swing.JPanel;

import?com.sun.awt.AWTUtilities;

public?class?My_Snow?{
	static?ArrayList?snowList?=new?ArrayList（）;
	static?ArrayList?snowremoveList?=new?ArrayList（）;
	public?static?void?main（String[]?args）?{
		final?Jframe?jf?=?new?Jframe（）;
		jf.setDefaultCloseOperation（Jframe.EXIT_ON_CLOSE）;
		jf.setExtendedState（Jframe.MAXIMIZED_BOTH）;
		jf.setUndecorated（true）;//frame修飾
		AWTUtilities.setWindowOpaque（jf?false）;
		
//		final?Rectangle?bound?=?jf.getBounds（）;//放在這里報錯
		
		final?JPanel?jp?=?new?JPanel（）{
			?int?count=30;
			?Random?ran?=?new?Random（47）;
			@Override
			public?void?paint（Graphics?g）?{
				//?TODO?Auto-generated?method?stub
				super.paint（g）;
				Rectangle?bound?=?jf.getBounds（）;
				if（snowList.size（）<30）{
						SnowAttributes?snow?=?new?SnowAttributes（）;
						snow.setSnowX（ran.nextInt（bound.width））;
						snow.setSnowY（ran.nextInt（bound.height））;
						snow.setAngle（ran.nextInt（360））;
						snowList.add（snow）;
				}
				Iterator?i?=?snowList.iterator（）;
				int?temp?=0;
				while（i.hasNext（））{
					SnowAttributes?snow?=?i.next（）;
					snow.setSnowX（snow.getSnowX（）+（temp++）/10）;
					snow.setSnowY（snow.getSnowY（）+（temp++）/5）;
					snow.setAngle（snow.getAngle（）*57+5）;
					if（snow.getSnowX（）>bound.width||snow.getSnowY（）>bound.height）{
						snowremoveList.add（snow）;
					}
					if（snow.getAngle（）>2*Math.PI）{
						snow.setAngle（0）;
					}
				}
				Iterator?i_remove?=?snowremoveList.iterator（）;
				while（i_remove.hasNext（））{
					snowList.remove（i_remove.next（））;
				}
				Image?image=null;
				try?{
					image?=?ImageIO.read（new?File（“src/My_Snow/xuehua.png“））;
				}?catch?（IOException?e）?{
					//?TODO?Auto-generated?catch?block
					e.printStackTrace（）;
				}
				Iterator?i2?=?snowList.iterator（）;
				while（i2.hasNext（））{
					SnowAttributes?snow?=?i2.next（）;
					Graphics2D?g2d?=??（Graphics2D）?g;
					g2d.translate（snow.getSnowX（）?snow.getSnowY（））;
					g2d.rotate（snow.getAngle（））;
					g.drawImage（image?0?0?null）;
					g2d.rotate（-snow.getAngle（））;
					g2d.translate（-snow.getSnowX（）?-snow.getSnowY（））;
				}
				
				
				
			}
			
			
		};
		jp.setOpaque（false）;
		jf.setContentPane（jp）;
		jf.setVisible（true）;
		Thread?thread?=?new?Thread（）{
			public?void?run（）?{
				while（true）{
					try?{
						Thread.sleep（20）;
					}?catch?（InterruptedException?e）?{
						//?TODO?Auto-generated?catch?block
						e.printStackTrace（）;
					}
					jp.repaint（）;
				}
				
			

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

?????文件????????232??2014-04-20?09:40??Test_Snow\.classpath

?????文件????????385??2014-04-24?19:15??Test_Snow\.project

?????文件????????598??2014-04-20?09:33??Test_Snow\.settings\org.eclipse.jdt.core.prefs

?????文件???????2919??2014-04-24?20:06??Test_Snow\bin\My_Snow\My_Snow$1.class

?????文件????????799??2014-04-24?20:06??Test_Snow\bin\My_Snow\My_Snow$2.class

?????文件???????1421??2014-04-24?20:06??Test_Snow\bin\My_Snow\My_Snow.class

?????文件????????924??2014-04-24?19:39??Test_Snow\bin\My_Snow\SnowAttributes.class

?????文件???????5615??2014-04-24?20:06??Test_Snow\bin\My_Snow\xuehua.png

?????文件???????2432??2014-04-24?19:17??Test_Snow\bin\My_Snow$1.class

?????文件????????756??2014-04-24?19:17??Test_Snow\bin\My_Snow$2.class

?????文件???????1273??2014-04-24?19:17??Test_Snow\bin\My_Snow.class

?????文件???????1143??2014-04-24?19:15??Test_Snow\bin\Test01$1.class

?????文件????????932??2014-04-24?19:15??Test_Snow\bin\Test01.class

?????文件????????689??2014-04-24?19:15??Test_Snow\bin\Test02$1.class

?????文件????????933??2014-04-24?19:15??Test_Snow\bin\Test02.class

?????文件???????3052??2014-04-24?20:06??Test_Snow\src\My_Snow\My_Snow.java

?????文件????????510??2014-04-24?19:39??Test_Snow\src\My_Snow\SnowAttributes.java

?????文件???????5615??2014-04-24?20:06??Test_Snow\src\My_Snow\xuehua.png

?????目錄??????????0??2014-04-24?20:08??Test_Snow\bin\My_Snow

?????目錄??????????0??2014-04-24?19:15??Test_Snow\bin\snow

?????目錄??????????0??2014-04-24?20:08??Test_Snow\src\My_Snow

?????目錄??????????0??2014-04-24?20:08??Test_Snow\.settings

?????目錄??????????0??2014-04-24?20:08??Test_Snow\bin

?????目錄??????????0??2014-04-24?20:08??Test_Snow\src

?????目錄??????????0??2014-04-24?20:08??Test_Snow

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

????????????????30228????????????????????25