// ========== Private methods ==========
private IEnumerator CountdownStartGame()
{
while (_countdownTime > 0)
{
yield return(new WaitForSeconds(0.1f));
FloatTextController.DoFloatStaticText(_countdownTime.ToString(), Vector3.zero, Vector3.one * 2, 0.8f, Colors.TURQUOISE);
yield return(new WaitForSeconds(0.9f));
_countdownTime -= 1;
}
_isPlaying = true;
}