public void init()
    {
        //set ref
        managerScript         = Ref.getManagerGO().GetComponent <Manager>();
        gridScript            = Ref.getGridScript();
        boxCollider           = GetComponent <BoxCollider>();
        predictPathScript     = GetComponent <PredictPath>();
        getCoveredNodesScript = GetComponent <GetCoveredNodes>();


        if (managerScript.isLocalAvoidance)
        {
            getCoveredNodesScript.getPredictBox().SetActive(false);
            //change layer of obstacle to Unwalkable
            gameObject.layer = 9;
        }
    }