unity3d simple dialogue script

var honey_num = 0;

var MessageBoxText : String;

var showText : boolean = false;

var showText2 : boolean = false;

var notshowText2: boolean = false;

function OnControllerColliderHit(hit:ControllerColliderHit)

{   

    if(hit.gameObject.tag == "cube")

    {   

        

        Debug.Log("Zam Gets a HoneyComb");

       // Destroy(hit.gameObject);

        honey_num++;

showText = true;

        

    }

}

function Update () {

 endialogue();

}

function OnGUI() {

       

 if (showText)

    {

    GUI.BeginGroup (new Rect (Screen.width / 2 - 640, Screen.height / 2 - 360, 1280, 720));

    GUI.Box(new Rect (100, 500, 1080, 200),

    MessageBoxText + "\n\n Press F to continue...");

    GUI.EndGroup ();

    if(Input.GetKeyDown(KeyCode.F)){

    Deactivate();

showText2=true;

    }

    }

    

if(showText2)

    {

    GUI.BeginGroup (new Rect (Screen.width / 2 - 640, Screen.height / 2 - 360, 1280, 720));

    GUI.Box(new Rect (100, 500, 1080, 200),

    "Hello AMR" + "\n\n How are you...");

 

     notshowText2=true;

    GUI.EndGroup ();

  }

  

  

  

  

  

  //GUI.Box(Rect(0,0,100,100),"Hello AMR");

 

    //GUI.Label (Rect (10, 10, 100, 20), "Hello World!");

 

}

function Active(){

return showText;

}

function Deactivate(){

yield WaitForSeconds(0.1);

showText = false;

}

function endialogue(){

  if(notshowText2)

  {

  

   yield WaitForSeconds(2);

showText2=false;

   notshowText2=false;

  }

}