package?com.ice.flame;

import?java.awt.Color;
import?java.awt.Graphics;
import?java.util.Random;

public?class?Firework?{
	private?int?widthheightG;???????????????//環境屬性
	private?int?Xx?XyEx[]?Ey[]x?y;???????//物理屬性
	private?int?energy?patch;????????????????//威力屬性
	private?int?tlength;?????????????????????//進度屬性
	private?int?Red?Blue?Green;?????????????//色彩屬性
	
	
	
	
	
	
	private?Random?random;
	private?PlaySounds?ps=new?PlaySounds（“boom.wav“）;
	public?Firework（int?a?int?b?int?g）?{//?類BeaClassDemo的構造方法
		width?=?a;
		height?=?b;
		G?=?g;
	}

	public?void?init（int?e?int?p?int?l?long?seed）?{//?初始化
		int?i;
		//?賦值運算
		energy?=?e;
		patch?=?p;
		length?=?l;
		random?=?new?Random（seed）;
		Ex?=?new?int[patch];//?初始化int數組Ex，其長度為patch
		Ey?=?new?int[patch];//?初始化int數組Ey，其長度為patch
		
		//?隨機生成不透明的?sRGB?顏色值
		Red?=?（int）?（random.nextDouble（）?*?128）?+?128;
		Blue?=?（int）?（random.nextDouble（）?*?128）?+?128;
		Green?=?（int）?（random.nextDouble（）?*?128）?+?128;
		
		
		Xx?=?（int）?（Math.random（）?*?width?/?2）?+?width?/?4;
		Xy?=?（int）?（Math.random（）?*?height?/?2）?+?height?/?4;
		for?（i?=?0;?i?			Ex[i]?=?（int）?（Math.random（）?*?energy）?-?energy?/?2;
			Ey[i]?=?（int）?（Math.random（）?*?energy?*?7?/?8）?-?energy?/?8;
		}
	}

	public?void?start（）?{
		t?=?0;
	}

	public?void?show（Graphics?g）?{//?輸出煙花
			if?（t?				int?ic;
				double?s;
				
			????Color?color;
				c?=?（int）?（random.nextDouble（）?*?64）?-?32?+?Red;
				if?（c?>=?0?&&?c?					Red?=?c;
				c?=?（int）?（random.nextDouble（）?*?64）?-?32?+?Blue;
				if?（c?>=?0?&&?c?					Blue?=?c;
				c?=?（int）?（random.nextDouble（）?*?64）?-?32?+?Green;
				if?（c?>=?0?&&?c?					Green?=?c;
				color?=?new?Color（RedGreenBlue）;
				
				if（t==0）
				{
					System.out.println（“boom“）;
					new?Thread（ps）.start（）;
				}
				for?（i?=?0;?i?					s?=?（double）?t?/?100;
					x?=?（int）?（Ex[i]?*?s）;
					y?=?（int）?（Ey[i]?*?s?-?G?*?s?*?s）;
					g.setColor（color）;
					g.drawLine（Xx?+?x?Xy?-?y?Xx?+x?Xy?-?y）;
					
					if?（t?>=?length?/?2）?{
						int?j;
						for?（j?=?0;?j?							s?=?（double）?（（t-length/2）?*2??+?j）?/?100;
							x?=?（int）?（Ex[i]?*?s）;
							y?=?（int）?（Ey[i]?*?s?-?G?*?s?*?s）;
							g.setColor（Color.black）;
							g.drawLine（Xx?+?x?Xy?-?y?Xx?+?x?Xy?-?y）;
						}
					}
				}
				t++;
			}
		}
}

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

?????文件????????301??2017-08-10?20:52??Fireworks\.classpath

?????文件????????385??2017-08-10?20:52??Fireworks\.project

?????文件????????598??2017-08-10?20:52??Fireworks\.settings\org.eclipse.jdt.core.prefs

?????文件???????2875??2017-08-10?23:15??Fireworks\bin\com\ice\flame\Firework.class

?????文件????????631??2017-08-10?21:58??Fireworks\bin\com\ice\flame\Fireworks$1.class

?????文件????????868??2017-08-10?21:58??Fireworks\bin\com\ice\flame\Fireworks.class

?????文件???????2378??2017-08-10?21:58??Fireworks\bin\com\ice\flame\MyPanel.class

?????文件???????2632??2017-08-10?21:23??Fireworks\bin\com\ice\flame\PlaySounds.class

?????文件??????20044??2016-04-03?15:10??Fireworks\boom.wav

?????文件???????2511??2017-08-10?23:15??Fireworks\src\com\ice\flame\Firework.java

?????文件???????3104??2017-08-10?21:58??Fireworks\src\com\ice\flame\Fireworks.java

?????文件???????1458??2017-08-10?20:52??Fireworks\src\com\ice\flame\PlaySounds.java

?????目錄??????????0??2017-08-10?21:27??Fireworks\bin\com\ice\flame

?????目錄??????????0??2017-08-10?20:52??Fireworks\src\com\ice\flame

?????目錄??????????0??2017-08-10?21:23??Fireworks\bin\com\ice

?????目錄??????????0??2017-08-10?20:52??Fireworks\src\com\ice

?????目錄??????????0??2017-08-10?21:23??Fireworks\bin\com

?????目錄??????????0??2017-08-10?20:52??Fireworks\src\com

?????目錄??????????0??2017-08-10?20:52??Fireworks\.settings

?????目錄??????????0??2017-08-10?21:23??Fireworks\bin

?????目錄??????????0??2017-08-10?20:52??Fireworks\src

?????目錄??????????0??2017-08-10?20:53??Fireworks

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

????????????????37785????????????????????22