void OnTriggerEnter(Collider other)
 {
     if (other.gameObject.tag == "player")
     {
         //Debug.Log("Coin collected");
         oen.NotifyEvent(OpenvibeEventNotifier.EventTypes.PLAYER_COIN);
         GMS.AddCollectedCoin(gameObject);
         gameObject.SetActive(false);
         //Destroy(gameObject);
         GMS.coinsCounter--;
         //adding score...
     }
 }