IEnumerator Process()
{
if (progress)
{
progress.Begin(duration);
}
float startTime = Time.time;
float percent = 0f;
float elapsedTime = 0f;
while (percent < 1f)
{
yield return(null);
elapsedTime = Time.time - startTime;
percent = elapsedTime / duration;
Percent.Invoke(percent);
}
}