function follow(follower:MovieClip, target:Vec2)
        {



                //calculate distance between follower and target
                var distanceX:Number = target.x-follower.x;
                var distanceY:Number = target.y-follower.y;

                //get total distance as one number
                 distanceTotal = Math.sqrt(distanceX*distanceX+distanceY*distanceY);

                //check if target is within agro range
                if (distanceTotal <= agroRange)
                {
                    //calculate how much to move
                    var moveDistanceX:Number = turnRate*distanceX/distanceTotal;
                    var moveDistanceY:Number = turnRate*distanceY/distanceTotal;

                    //increase current speed
                    moveX += moveDistanceX;
                    moveY += moveDistanceY;

                    //get total move distance
                    var totalmove = Math.sqrt(moveX*moveX+moveY*moveY);

                    //apply easing
                    moveX = speed*moveX/totalmove;
                    moveY = speed*moveY/totalmove;

                    //move follower
                    follower.x += moveX;
                    follower.y += moveY;

                    //rotate follower toward target
                    //follower.rotation += 180 * Math.atan2(moveY, moveX) / Math.PI;


                    var i:Number = 180 * Math.atan2(moveY, moveX) / Math.PI;
                    follower.getChildAt(0).rotation = i;



                }

            }