package
{
    import flash.display.MovieClip;
    import flash.events.Event;

    public class enemy extends MovieClip
    {
        var speed:Number = 4;
        var walkDir:Number;
        var _dansprite:DanSprite;

        public function enemy (dansprite:DanSprite)
        {
            _dansprite=dansprite;
            this.addEventListener(Event.ENTER_FRAME, Update);

        }

        private function Update (e:Event)
        {
            this.y += 4;

            walkDir = this.x - _dansprite.x;

            if( walkDir < 0)
            {
                this.x += speed;
                this.scaleX = 1;
            }
            if ( walkDir > 0 )
            {
                this.x -= speed;
                this.scaleX = - 1;
            }
        }
    }
}