Flash CS4教程：AS3制作非常漂亮的曲线

本教程是使用Flash CS4或者Flex Builder 3里面的Actionscript3.0实现的一种非常漂亮的曲线特效！

最终效果：

下面大致介绍下制作的流程，文章的最后提供源码下载。其中的一些英文没有给大家翻译啊！呵呵

建立一个ActionScript 3.0项目或者类

如果你用的是 Flex Builder 那么你就创建一个新的ActionScript 3.0项目，命名为LineEffect。如果你使用的是Flash CS3 or CS4创建一个新的文档(ActionScript 3.0)命名为LineEffect.as 。

package {
import flash.display.Sprite;

Same Imports

Again, if you use Flex Builder (Flex Builder I use too), it is not mandatory to write this step, because Flex Builder automatically imports when it sees something unknown. But if you use Flash CS3 or CS4 is required to write this step.

	import flash.display.Graphics;
	import flash.display.MovieClip;
	import flash.display.Sprite;
	import flash.events.Event;
	import flash.events.MouseEvent;
	import flash.filters.BlurFilter;
	import flash.filters.DropShadowFilter;
	import flash.filters.GlowFilter;
	import flash.text.TextField;
	import flash.utils.getTimer;

       [SWF(width = "600", height = "400", frameRate = "30", backgroundColor = "#000000",    	pageTitle  = "Line Effect")]

If you are confused about this line of code:

 [SWF(width = "600", height = "400", frameRate = "30", backgroundColor = "#000000",    	pageTitle  = "Line Effect")]

Well, here we set the width, height, framerate, backgroundColor and the title of the SWF file.

Declaring Variables

To be easier for your future reference, I’ve declared variables for each color line. But before colors we need to declare a Sprite because we want to draw a line, and apply an effect to it. After that we will declare an Array that will help to animate the line. At the end we will declare the buttons with text as also line colors. The line colors consists in a BlurFilter, two GlowFilter and a DropShadowFilter. The code looks like that:

	public class LineEffect extends Spr

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