// player chose hard difficulty
public void HardDifficulty()
{
StaticSettings.changeDifficulty(StaticSettings.HARD);
normalBtn.interactable = true;
hardBtn.interactable = false;
for (int i = 0; i < digletts.Length; i++)
{
float tmpUptime = StaticSettings.setUptime();
digletts[i].SetUptime(tmpUptime);
}
}
