public float speed = 5; //время, через которое будет производится повтор (секунды)
        
      private float lastTime = 0f;   
      void Update () {   
          if (Time.time > lastTime + speed) {   
              //какое-либо действие
              lastTime = Time.time;   
          }   
      }

      public float speed = 5; //время, через которое будет производится повтор (секунды)
      public GameObject spawnObj; //предмет для создания

      private float lastTime = 0f;   
      void Update () {   
          if (Time.time > lastTime + speed && Input.GetKey(KeyCode.Space)) {   
              Instantiate(spawnObj, transform.position, transform.rotation);
              lastTime = Time.time;   
          }   
      }

   public float myTimer = 2.0f;
    if(myTimer > 0){   
     myTimer -= Time.deltaTime;    
     transform.Translate(new Vector3(0.0f, 0.0f, 0.1f));
           if (myTimer <= 0.0f) {
      transform.Translate(new Vector3(0.0f, 0.0f, 0.0f));
   }

GUI.TextArea (new Rect (25, 25, Screen.width/1.5f, Screen.height/1.5f), "You Command Here");

if(enabled)
{
GUI.TextArea (new Rect (25, 25, Screen.width/1.5f, Screen.height/1.5f), "You Command Here");[
}

var sceneManager : GameObject
sceneManager.GetComponent("scriptSceneManager").AddScore();

var sceneManager = GameObject.FindWithTag("sceneManager");
   sceneManager.GetComponent("scriptSceneManager").AddScore();