public void UpdateScroll()
{
HandleScrollInput();
var scrollVelocitySign = Mathf.Sign(scrollVelocity);
scrollVelocity = scrollVelocitySign * Mathf.Max(0, Mathf.Abs(scrollVelocity) - scrollFrameDecay);
scrollY += scrollVelocity;
TrimScroll();
TrimScrollVelocity();
var rootRT = RootContainer.GetComponent <RectTransform>();
rootRT.anchoredPosition = new Vector2(0, scrollY);
}