private void OnTriggerEnter(Collider other)
        {
            if (other.name == "InnerCollider")
            {
                PushBoxCollider script = other.GetComponent <PushBoxCollider>();
                if (script)
                {
                    script.threshold  = threshold;
                    script.stickyTime = stickyTime;

                    Client.Instance.SendMessage(MessageType.BoxLedge);
                }
            }
        }