public void OnTriggerExit(Collider other)
 {
     if (!other.CompareTag("|Player|"))
     {
         return;
     }
     if (!_remindPicking)
     {
         return;
     }
     OnPickingStardusts?.Invoke(false);
     _remindPicking = false;
 }
    public void OnTriggerStay(Collider other)
    {
        if (!other.CompareTag("|Player|"))
        {
            return;
        }
        var player = other.GetComponent <ThirdPersonPlayer>();

        if (player is null)
        {
            return;
        }

        // radius is set to 50 for reminding
        if (_remindPicking)
        {
            OnPickingStardusts?.Invoke(true);
        }

        var disToPlayer = Vector3.Distance(transform.position, other.transform.position);

        if (!(disToPlayer < 25))
        {
            return;
        }
        if (disToPlayer > 5)
        {
            transform.position = Vector3.MoveTowards(transform.position, other.transform.position, 2);
        }
        else
        {
            Debug.Log("pickup add");
            player.stardust += stardustValue;
            player.inventory.Add(stardust);
            gameObject.SetActive(false);

            if (!_remindPicking)
            {
                return;
            }
            Invoke(nameof(DisableTutorial), 0);
        }

        // remind player after 1 minute
        Invoke(nameof(RemindPicking), 60.0f);
    }
 private void DisableTutorial()
 {
     OnPickingStardusts?.Invoke(false);
     _remindPicking = false;
 }