public void OnChangedValueFormation()
{
string formation = menu.GetFormation(roulant.GetComponent <Dropdown>().value);
List <string> units = new List <string>(formation.Split(' '));
for (int i = 0; i < units.Count; i++)
{
GameObject unitCanvas = canvas.transform.GetChild(i + 1).gameObject;
Sprite sprite = menu.GetSpriteFromName(units[i]);
unitCanvas.transform.GetChild(0).GetComponent <Image>().sprite = sprite;
unitCanvas.transform.GetChild(1).GetComponent <Text>().text = units[i];
}
}