forked from: forked from: forked from: forked from: blazingFire

参考: 「けむり」
http://wonderfl.net/code/c896da1db99f89a8958b286f4775cdeb4aa32690

by chiro 17 Feb 2010

Embed

/**
 * Copyright chiro ( http://wonderfl.net/user/chiro )
 * MIT License ( http://www.opensource.org/licenses/mit-license.php )
 * Downloaded from: http://wonderfl.net/c/cZzt
 */

// forked from tnker's forked from: forked from: forked from: blazingFire
// forked from Nicolas's forked from: forked from: blazingFire
// forked from undo's forked from: blazingFire
// forked from HNAR's blazingFire

//参考: 「けむり」
//http://wonderfl.net/code/c896da1db99f89a8958b286f4775cdeb4aa32690
package {
	import flash.filters.BlurFilter;
	import flash.display.Shape;
    import flash.display.Sprite;
    import flash.events.Event;
    [SWF(width=465,height=465,backgroundColor=0x000000,frameRate=60)]
    public class Fire extends Sprite {
        public function Fire() {
        	
			var a:Array = new Array();
			var i:int;
			var base:Sprite = new Sprite();
			base.filters = [new BlurFilter(8, 16, 1)];
			addChild(base);
			function ef(e:Event):void {
				for(i=0;i<2;i++)
				{
					var s:Sprite = new Sprite();
					s.alpha = Math.random()*0.5+0.5;
					s.graphics.beginFill((Math.random()*0xffffff)&0x00FF00);
					var rnd:Number = Math.random()*20+10;
					s.graphics.drawCircle(0,0,rnd);
					s.graphics.endFill();
					s.blendMode = "add";
					base.addChild(s);
					s.x = stage.mouseX + Math.random()*20-10;
					s.y = stage.mouseY + Math.random()*20-10;
					a.push(s);
				}
				for(i=0;i<a.length;i++){
					a[i].x += Math.random()*2-1;
					a[i].y -= 5;
					a[i].alpha -= 0.02;
					a[i].scaleX -= 0.02;
					a[i].scaleY -= 0.02;
					if(a[i].alpha<=0){
						base.removeChild(a[i]);
						a.splice(i,1);
					}
				}
			}
			stage.addEventListener(Event.ENTER_FRAME, ef);
        }
    }
}