public void OnGUI()
{
if (PlayTransition == true)
{
alpha += fadeDir * fadeSpeed * Time.deltaTime;
alpha = Mathf.Clamp01(alpha);
if (Type == FadeType.Fade_In)
GUI.color = new Color(GUI.color.r, GUI.color.g, GUI.color.b, alpha);
else if (Type == FadeType.Fade_Out)
GUI.color = new Color(GUI.color.r, GUI.color.g, GUI.color.b, 1 - alpha);
GUI.depth = drawDepth;
GUI.DrawTexture(new Rect(0, 0, Screen.width, Screen.height), fadeOutTexture);
}
}