private void InitTower()
{
TowerPanel = GameObject.Find("TowerPanel");
towerSlots = new List <BuildingSlot>();
for (int i = 0; i < GameManager.instance.GetTowerCount(); i++)
{
GameObject slot = Instantiate(prefabBuildingSlot, TowerPanel.transform);
BuildingSlot towerSlot = slot.GetComponent <BuildingSlot>();
towerSlot.InitTower(GameManager.instance.Towers[i].GetComponent <AbstractTower>().buildingData);
towerSlots.Add(towerSlot);
Button slotButton = slot.GetComponent <Button>();
slotButton.onClick.AddListener(delegate { CreateTower(towerSlot.objectId); });
}
}