void Update()
{
if (gameObject.activeSelf)
{
float pulse = 0.5f + amplitude * (Mathf.PingPong (Time.time, frequency) / frequency);
fixationCross.localScale = new Vector3(pulse, pulse, 0f);
if ((Time.time - startTime) >= duration)
{
gameObject.SetActive (false);
menu.nextStage();
}
}
}