Fade Gui

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function Update () {

}

// FadeInOut
//
//--------------------------------------------------------------------
//                        Public parameters
//--------------------------------------------------------------------

public var fadeOutTexture : Texture2D;
public var fadeSpeed = 2.0;
var drawDepth = -1000;
var alphaWait : boolean = true;

//--------------------------------------------------------------------
//                       Private variables
//--------------------------------------------------------------------

private var alpha = 1.0;
private var fadeDir = -1;

//--------------------------------------------------------------------
//                       Runtime functions
//--------------------------------------------------------------------

//--------------------------------------------------------------------

function OnGUI(){

   if(alphaWait == false) {

    alpha += fadeDir * fadeSpeed * Time.deltaTime;
    }

    alpha = Mathf.Clamp01(alpha);
    GUI.color.a = alpha;
    GUI.depth = drawDepth;
    GUI.DrawTexture(Rect(0, 0, Screen.width, Screen.height), fadeOutTexture);
}

//--------------------------------------------------------------------

function fadeIn(){

    yield WaitForSeconds(2);
    alphaWait = false;
    fadeDir = -1;
}

//--------------------------------------------------------------------

function fadeOut(){
    fadeDir = 1;
}

function Start(){
    alpha=1;
    fadeIn();
}