Forked from:: doridori's forked from: forked from: 光る玉

forked from: forked from: forked from: 光る玉

エフェクトの練習です。
雲とかもやみたいなの作りたかった。
カーブを描いての動きは、Tweenerのスペシャルプロパティを利用しています。

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license : All rights reserved
modified : 2009-09-08 13:36:10

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// forked from doridori's forked from: forked from: 光る玉
// forked from takimo's forked from: 光る玉
// forked from sake's 光る玉
/*
    エフェクトの練習です。
    雲とかもやみたいなの作りたかった。
    カーブを描いての動きは、Tweenerのスペシャルプロパティを利用しています。
*/

package
{
	import caurina.transitions.Tweener;
	import caurina.transitions.properties.CurveModifiers;
	import flash.display.Bitmap;
	import flash.display.BitmapData;
	import flash.display.BlendMode;
	import flash.display.Sprite;
	import flash.events.Event;
	import flash.events.TimerEvent;
	import flash.filters.BlurFilter;
	import flash.filters.ColorMatrixFilter;
	import flash.geom.Point;
	import flash.utils.Timer;

[SWF(width="465", height="465", backgroundColor="0x000000", frameRate="40")]
	public class bezier extends Sprite
	{
		private var bmpd:BitmapData;
		private var colorMatrix:ColorMatrixFilter;
		private var Blur:BlurFilter;

public function bezier()
		{
			bmpd = new BitmapData(stage.stageWidth, stage.stageHeight, true, 0x00000000);
			var bmp:Bitmap = new Bitmap(bmpd);
			addChild(bmp);

var timer:Timer = new Timer(250);
			timer.addEventListener(TimerEvent.TIMER, onTimer);
			timer.start();

CurveModifiers.init();

colorMatrix = new ColorMatrixFilter([0.99, 0, 0, 0, 1, 0, 0.99, 0, 0, 1, 0, 0, 0.99, 0, 1, 0, 0, 0, 0.99]);
			Blur = new BlurFilter(8, 8, 1);
			
			addEventListener(Event.ENTER_FRAME, onFrame);
		}

private function onTimer(e:TimerEvent):void
		{
			var sp:Sprite=new Sprite;
			sp.graphics.beginFill(0xffffff * Math.random(), 1);
			sp.graphics.drawCircle(0, 0, 10 * Math.random() + 4);
			sp.graphics.endFill();

addChild(sp);
			sp.x = -10;
			sp.y = 495*Math.random()-30;
			sp.scaleX = sp.scaleY = sp.alpha = 0;
			sp.filters = [new BlurFilter(32, 32, 1)];
			sp.blendMode = BlendMode.ADD;

var t:Number=(13 - 8) * Math.random() + 8;
			Tweener.addTween(sp, {alpha:0.5, scaleX:1, scaleY:1, time:1});
			Tweener.addTween(sp, {x:600, y:465*Math.random(), _bezier:[{x:232.5, y:665*Math.random()-100}], time:t})
			Tweener.addTween(sp, {alpha:0, scaleX:0, scaleY:0, time:1, delay:t-2, onComplete:function():void
					{
						removeChild(sp);
						sp.filters = [];
						sp.graphics.clear();
						sp = null;
					}});
		}

private function onFrame(e:Event):void
		{
			bmpd.draw(this);
			bmpd.applyFilter(bmpd, bmpd.rect, new Point(0, 0), Blur);
			bmpd.applyFilter(bmpd, bmpd.rect, new Point(0, 0), colorMatrix);
		}
	}
}

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