/// <summary>
/// NavigationToNext
/// </summary>
/// <param name="karaokeField"></param>
public static void NavigationToNext(this IAmKaraokeField karaokeField)
{
var nowObjectIndex = karaokeField.FindObjectIndexByCurrentTime();
var list = karaokeField.GetListHitObjects();
if (nowObjectIndex < list.Count - 2)
{
karaokeField.NavigateToTime(list[nowObjectIndex + 2].StartTime - PrepareTime);
}
}
/// <summary>
/// NavigationToPrevious
/// </summary>
/// <param name="karaokeField"></param>
public static void NavigationToPrevious(this IAmKaraokeField karaokeField)
{
var nowObjectIndex = karaokeField.FindObjectIndexByCurrentTime();
if (nowObjectIndex > 1)
{
var list = karaokeField.GetListHitObjects();
karaokeField.NavigateToTime(list[nowObjectIndex - 1].StartTime - PrepareTime);
}
}