protected override void Update()
{
base.Update();
float currentScroll = scrollContainer.Current;
if (currentScroll != lastKnownScroll)
{
lastKnownScroll = currentScroll;
OptionsSection bestCandidate = null;
float bestDistance = float.MaxValue;
foreach (OptionsSection section in sections)
{
float distance = Math.Abs(scrollContainer.GetChildYInContent(section) - currentScroll);
if (distance < bestDistance)
{
bestDistance = distance;
bestCandidate = section;
}
}
var previous = sidebarButtons.SingleOrDefault(sb => sb.Selected);
var next = sidebarButtons.SingleOrDefault(sb => sb.Section == bestCandidate);
if (next != null)
{
previous.Selected = false;
next.Selected = true;
}
}
}