public void UpgradeTower()
{
if (CanUpgradeTower())
{
TowerUtil.ShowRange(_tower.GetComponent <TowerData>().GetActiveTower(), false);
_tower.GetComponent <TowerData>().increaseLevel();
_gameManager.Gold -= _tower.GetComponent <TowerData>().CurrentLevel.cost;
TowerUtil.ShowRange(_tower.GetComponent <TowerData>().GetActiveTower(), true);
}
else
{
_gameManager.SetMessageLabelText("Tower is already at max level");
}
}
