/// <summary>
/// Cache some values for faster reference later
/// </summary>
void Awake()
{
_scrollRectTransform = scrollRect.GetComponent <RectTransform>();
_scrollRectMask = scrollRect.GetComponent <UnityEngine.UI.Mask>();
// TODO: Remove
//_scrollBarRectTransform = scrollbar.GetComponent<RectTransform>();
//_originalScrollBarSize = _scrollBarRectTransform.sizeDelta;
_lastScrollRectSize = _ScrollRectSize;
SetScrollBarVisibility(scrollbarDisplayMode == ScrollbarDisplayMode.Always);
}
protected virtual IEnumerator ScrollToBottomCoroutine()
{
if (scrollRect == null)
{
yield break;
}
yield return(null);
var contentHeight = contentPanel.rect.height;
var scrollRectHeight = scrollRect.GetComponent <RectTransform>().rect.height;
var needToScroll = contentHeight > scrollRectHeight;
if (needToScroll)
{
var ratio = scrollRectHeight / contentHeight;
var timeout = Time.time + 10f; // Avoid infinite loops by maxing out at 10 seconds.
while (scrollRect.verticalNormalizedPosition > 0.01f && Time.time < timeout)
{
var newPos = scrollRect.verticalNormalizedPosition - scrollSpeed * Time.deltaTime * ratio;
scrollRect.verticalNormalizedPosition = Mathf.Max(0, newPos);
yield return(null);
}
}
scrollRect.verticalNormalizedPosition = 0;
scrollCoroutine = null;
}
private IEnumerator CheckScrollbarAfterUIUpdate()
{
m_checking = true;
yield return(null);
scrollbar.gameObject.SetActive(scrollContent.rect.height > scrollRect.GetComponent <RectTransform>().rect.height);
m_checking = false;
}
private IEnumerator CheckScrollbarAfterUIUpdate(bool useResetValue, float resetValue)
{
m_checking = true;
yield return(null);
scrollbar.gameObject.SetActive(scrollContent.rect.height > scrollRect.GetComponent <RectTransform>().rect.height);
m_checking = false;
yield return(null);
if (useResetValue)
{
if (smoothScroll)
{
var contentHeight = scrollContent.rect.height;
if (m_scrollRectTransform == null)
{
m_scrollRectTransform = scrollRect.GetComponent <RectTransform>();
}
var scrollRectHeight = m_scrollRectTransform.rect.height;
var needToScroll = contentHeight > scrollRectHeight;
if (needToScroll)
{
var ratio = scrollRectHeight / contentHeight;
var timeout = Time.time + 10f; // Avoid infinite loops by maxing out at 10 seconds.
while (scrollRect.verticalNormalizedPosition > 0.01f && Time.time < timeout)
{
var newPos = scrollRect.verticalNormalizedPosition - smoothScrollSpeed * Time.deltaTime * ratio;
scrollRect.verticalNormalizedPosition = Mathf.Max(0, newPos);
yield return(null);
}
}
scrollRect.verticalNormalizedPosition = 0;
}
else
{
scrollbar.value = resetValue;
scrollRect.verticalNormalizedPosition = resetValue;
}
}
}
private IEnumerator CheckScrollbarAfterUIUpdate(bool useResetValue, float resetValue)
{
m_checking = true;
yield return(null);
scrollbar.gameObject.SetActive(scrollContent.rect.height > scrollRect.GetComponent <RectTransform>().rect.height);
m_checking = false;
yield return(null);
if (useResetValue)
{
scrollbar.value = resetValue;
scrollRect.verticalNormalizedPosition = resetValue;
}
}