gallery9 / ZClip.as

package  {

    import flash.display.MovieClip;
    import flash.events.Event;
    import flash.utils.*;

    public class ZClip extends MovieClip {

        public var target_alpha:Number;
        public var prev_alpha:Number;

        private var isFE:Boolean=false;
        private var lit:Boolean=false;

        //----------------------------------
        public function ZClip() {

        }
        //----------------------------------
        public function goUp():void {

            if ((isFE) || (lit)) return;

            /*this.parent.setChildIndex(this,
                                this.parent.numChildren-1);*/

            prev_alpha=alpha;
            target_alpha=1;
            lit=true;

            if (!isFE) {
                isFE=true;
                addEventListener(Event.ENTER_FRAME, on_frame);
            }
            setTimeout(goDown,1500);
        }
        //----------------------------------
        public function goDown():void {

            target_alpha=prev_alpha;

            if (!isFE) {
                isFE=true;
                addEventListener(Event.ENTER_FRAME, on_frame);
            }
            lit=false;
        }
        //----------------------------------
        private function on_frame(e:Event):void {

            var stepp:Number=(target_alpha-alpha)/10;

            var alpha_p:Number=alpha;
            alpha+=stepp;

            if (alpha_p==alpha) {
                removeEventListener(Event.ENTER_FRAME,on_frame);
                isFE=false;
            }

        }

    }

}