private void CenterOnItem()
{
var itemCenterPositionInScroll = GetWorldPointInWidget(_scrollTransform, GetWidgetWorldPoint(_targetLevel));
var targetPositionInScroll = GetWorldPointInWidget(_scrollTransform, GetWidgetWorldPoint(MaskTransform));
var difference = targetPositionInScroll - itemCenterPositionInScroll;
difference.z = 0f;
difference.x = 0f;
var normalizedDifference = new Vector2(
difference.x / (_content.rect.size.x - _scrollTransform.rect.size.x),
difference.y / (_content.rect.size.y - _scrollTransform.rect.size.y));
var newNormalizedPosition = _scrollRect.normalizedPosition - normalizedDifference;
if (_scrollRect.movementType != ScrollRect.MovementType.Unrestricted)
{
newNormalizedPosition.x = Mathf.Clamp01(newNormalizedPosition.x);
newNormalizedPosition.y = Mathf.Clamp01(newNormalizedPosition.y);
}
_scrollTargetPosition = newNormalizedPosition;
_scrollRect.normalizedPosition = _scrollTargetPosition;
_targetState = TargetLevelState.inCenter;
_contentTopYPosition = _content.anchoredPosition.y + _scrollTransform.rect.height / 2;
_contentBottomYPosition = _content.anchoredPosition.y - _scrollTransform.rect.height / 2;
}
private void Update()
{
if (_targetState == TargetLevelState.inCenter)
{
if (_content.anchoredPosition.y > (_contentTopYPosition))
{
_uIPlayerPointer.ShowUpPointer();
_targetState = TargetLevelState.above;
}
if (_content.anchoredPosition.y < (_contentBottomYPosition))
{
_uIPlayerPointer.ShowDownPointer();
_targetState = TargetLevelState.below;
}
}
else
{
if (_content.anchoredPosition.y >= _contentBottomYPosition &&
_content.anchoredPosition.y <= _contentTopYPosition)
{
_uIPlayerPointer.HidePointer();
_targetState = TargetLevelState.inCenter;
}
}
}
