// flashes meter and found susan warning and starts battle
IEnumerator flashMeter()
{
for (int i = 0; i < 4; ++i)
{
alarm_sfx.Play();
progress_mask.gameObject.SetActive(false);
alert_text.gameObject.SetActive(true);
yield return(new WaitForSeconds(0.5f));
progress_mask.gameObject.SetActive(true);
alert_text.gameObject.SetActive(false);
yield return(new WaitForSeconds(0.5f));
}
tune.activateRPG();
}