IEnumerator Fade()
{
Group.alpha = 1;
float lastTime,
currentDuration = 0,
percentProgress;
while (currentDuration < Duration)
{
lastTime = Time.time;
yield return(new WaitForSeconds(0.01f));
currentDuration += (Time.time - lastTime);
percentProgress = LerpHelper.CurveToZeroSlowFast(currentDuration / Duration, 5f);
Group.alpha = percentProgress;
}
Group.alpha = 0;
Destroy(this.gameObject);
}