public static void StartPlacing(GameObject prefab)
{
StartedConstructing.Invoke();
InputHandler.RotationKeyPressed += rotate;
mousePos = Camera.main.ScreenToWorldPoint(Input.mousePosition);
currentGO = Instantiate(prefab, new Vector2(mousePos.x, mousePos.y), Quaternion.identity);
currentGO.GetComponent <SpriteRenderer>().sortingOrder = 500;
currentBuilding = currentGO.GetComponent <Building>();
currentBuilding.ShowSprite(currentRotation);
instance.StartCoroutine(instance.draggingCour(currentBuilding));
}