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

/**
 * Copyright tamac124 ( http://wonderfl.net/user/tamac124 )
 * MIT License ( http://www.opensource.org/licenses/mit-license.php )
 * Downloaded from: http://wonderfl.net/c/sQnr
 */

// forked from 0xABCDEF'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)&0x2222ff);
                    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 -= 3;
                    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);
        }
    }
}