public static void SetTopOffset(this ScrollRect scrollrect, RectTransform viewport, float topOffset)
{
float heighDiff = scrollrect.HeightDifference(viewport);
if (Mathf.Approximately(heighDiff, 0))
{
scrollrect.verticalNormalizedPosition = 0;
}
else
{
scrollrect.verticalNormalizedPosition = Mathf.Clamp01(1 - topOffset / heighDiff);
}
}
public static void SetBottomOffset(this ScrollRect scrollrect, RectTransform scrollrectTransform, float bottomOffset)
{
float heighDiff = scrollrect.HeightDifference(scrollrectTransform);
if (Mathf.Approximately(heighDiff, 0))
{
scrollrect.verticalNormalizedPosition = 0;
}
else
{
scrollrect.verticalNormalizedPosition = Mathf.Clamp01(bottomOffset / heighDiff);
}
}
public static float BottomOffset(this ScrollRect scrollrect, RectTransform scrollrectTransform)
{
return(scrollrect.HeightDifference(scrollrectTransform) * scrollrect.verticalNormalizedPosition);
}
public static float TopOffset(this ScrollRect scrollrect)
{
return(scrollrect.HeightDifference() * (1f - scrollrect.verticalNormalizedPosition));
}
