void Update()
 {
     if (Lance == null)
     {
         Lance = Instantiate(PrefabLance, LancePosition, LanceRotation);
         Lance.transform.parent = gameObject.transform;
     }
 }
 void Start()
 {
     Lance         = GetComponentInChildren <LanceScript>();
     LancePosition = Lance.transform.position;
     LanceRotation = Lance.transform.rotation;
 }