private void OnTriggerStay(Collider other)
    {
        if (other.transform.tag == "container")
        {
            CookingContainer cookCtrl = other.transform.GetComponent <CookingContainer>();

            cookCtrl.AddCookingProgress(cookRate);
            GameObject inst = Instantiate(smokePfx, other.transform.position, other.transform.rotation);
            Destroy(inst, 3f);
        }
    }
 // Use this for initialization
 void Start()
 {
     Initialise();
     objCtrl = GetComponentInParent <CookingContainer>();
 }