private Bounds CalculateLocalBounds()
        {
            var currentRotation = transform.rotation;
            transform.rotation = Quaternion.Euler(Vector3.zero);
            var bounds = new Bounds(transform.position, Vector3.zero);
            foreach(var rend in GetComponentsInChildren<Renderer>())
            {
                bounds.Encapsulate(rend.bounds);
            }
            var localCenter = bounds.center - transform.position;
            bounds.center = localCenter;
            transform.rotation = currentRotation;
            return bounds;
        }