private IEnumerator ClearAndCollapseRoutine(IEnumerable <GemBehaviour> matches)
{
var complete = false;
while (!complete)
{
GridManager.ClearGems(matches);
yield return(new WaitForSeconds(0.25f));
var movedGems = GridManager.CollapseColumns(matches);
while (!BoardUtils.IsFallComplete(movedGems))
{
yield return(null);
}
yield return(new WaitForSeconds(SequenceParameters.RefreshMatchCheckDelay));
matches = GridManager.FindMatchesAt(movedGems);
if (!matches.Any())
{
complete = true;
}
else
{
yield return(StartCoroutine(ClearAndCollapseRoutine(matches)));
}
}
}