private void OnHoverOut(CityObject cityObject) {
     cityObject.Highlight(false);
 }
    private void OnHoverOver(CityObject cityObject) {
        if (!IsInteractable(cityObject)) {
            cityObject.Highlight(false);
            return;
        }

        cityObject.Highlight(true);
        AudioManager.Instance.Play(AudioChannelIDX.GameSFX, "GridMove");
    }