using UnityEngine;
using System.Collections;

public class MyCoolInventory : MonoBehaviour {

   bool showInventory = false;

   // Use this for initialization

   void Start () {
     
   }
     
   // Update is called once per frame
   void Update () {
     
   }
   void OnGUI()
   {

    if (GUI.Button (new Rect (0, 100, 120, 30), "WeaponInventory") && showInventory == false)
    {
     showInventory = true;
    }

    if (showInventory == true)
    {
     GUI.Button (new Rect (120, 100, 120, 30), "MyWeapon_2_1");
     GUI.Button (new Rect (120, 130, 120, 30), "MyWeapon_2_2");
     GUI.Button (new Rect (120, 160, 120, 30), "MyWeapon_2_3");
     GUI.Button (new Rect (120, 190, 120, 30), "MyWeapon_2_4");
     GUI.Button (new Rect (120, 220, 120, 30), "MyWeapon_1_5");
     GUI.Button (new Rect (120, 250, 120, 30), "MyWeapon_2_6");
     GUI.Button (new Rect (120, 280, 120, 30), "MyWeapon_2_7");
     GUI.Button (new Rect (120, 310, 120, 30), "MyWeapon_2_8");
     GUI.Button (new Rect (240, 100, 120, 30), "MyWeapon_2_1");
     GUI.Button (new Rect (240, 130, 120, 30), "MyWeapon_2_2");
     GUI.Button (new Rect (240, 160, 120, 30), "MyWeapon_2_3");
     GUI.Button (new Rect (240, 190, 120, 30), "MyWeapon_2_4");
     GUI.Button (new Rect (240, 220, 120, 30), "MyWeapon_2_5");
     GUI.Button (new Rect (240, 250, 120, 30), "MyWeapon_2_6");
     GUI.Button (new Rect (240, 280, 120, 30), "MyWeapon_2_7");
     GUI.Button (new Rect (240, 310, 120, 30), "MyWeapon_2_8");
     if (GUI.Button (new Rect (360, 100, 30, 20), "X") && showInventory == true)
     {
      showInventory = false;
     }
    }

   }
}

using UnityEngine;  
using System.Collections;  

public class MyCoolQuests : MonoBehaviour {  
   
  bool showQuest1 = true;  
  bool showQuest2 = true;  
  bool questDescription1 = false;
  bool questDescription2 = false;

  // Use this for initialization  
   
  void Start () {  
    
  }  
   
  // Update is called once per frame  
  void Update () {  
    
  }  
  void OnGUI()  
  {  
    
   if(showQuest1 == true)
   {
    if(GUI.Button (new Rect (0, 100, 120, 30), "Мой квест №1"))  questDescription1 = true;

    if (questDescription1)    GUI.Button (new Rect (0, 70, 180, 30), "Спасти рядового Райана");

    if (GUI.Button (new Rect (120, 100, 160, 30), "Выполнить квест №1"))
       {
     showQuest1 = false;
    }  
   }
   if(showQuest2 == true)
   {
    if(GUI.Button (new Rect (0, 130, 120, 30), "Мой квест №2")) questDescription2 = true;

    if (questDescription2)    GUI.Button (new Rect (0, 160, 180, 30), "Операция буря в пустыне");

    if (GUI.Button (new Rect (120, 130, 160, 30), "Выполнить квест №2"))
    {
     showQuest2 = false;
    }  
   }

  }  
}

"tmpScale.y = Mathf.Lerp(tr.localScale.y, vScale, 5 * Time.deltaTime);"

if (tmpScale.y < 0.99 && Physics.Raycast (transform.position, Vector3.up, hit, 1.0f)){
Debug.DrawLine (transform.position, hit.point, Color.red);
}else tmpScale.y = Mathf.Lerp(tr.localScale.y, vScale, 5 * Time.deltaTime);
Debug.Log(tmpScale.y);

.....var useFixedUpdate : boolean = true;

var hit : RaycastHit;//!!!!!!!!!!!!!!!!!!!!!
var upp : Vector3;//!!!!!!!!!!!!!!!!!!!!!
              
var dist : float;
// For the next variables, @System.NonSerialized ....

...
function Awake () {
    controller = GetComponent (CharacterController);
    tr = transform;
    dist = controller.height/2;///!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
}
...

    ...if (useFixedUpdate)
     UpdateFunction();
        
if (Input.GetKey("c"))//!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
            { // press C to crouch//!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
                vScale = 0.5f;//!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
            }//!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
               
               
            var ultScale: float = tr.localScale.y; // crouch/stand up smoothly //!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
               
            var tmpScale : Vector3 = tr.localScale;//!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
            var tmpPosition : Vector3 = tr.position;//!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
               

           if (tmpScale.y < 0.99 && Physics.Raycast (transform.position, Vector3.up, hit, 1.0)){ //!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
      Debug.DrawLine (transform.position, hit.point, Color.red);//!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
     }else tmpScale.y = Mathf.Lerp(tr.localScale.y, vScale, 5 * Time.deltaTime);//!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
             Debug.Log(tmpScale.y);//!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
            tr.localScale = tmpScale;//!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
               
            tmpPosition.y += dist * (tr.localScale.y - ultScale); // fix vertical position        //!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
            tr.position = tmpPosition;//!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
               
}

function Update () {
    if (!useFixedUpdate)
     UpdateFunction();
}