void OnGUI()
{
for (int i = 0; i < goarr_buildings.Length; i++)
{
if (GUI.Button(new Rect(Screen.width / 20, Screen.height / 15 + Screen.height / 12 * i, 100, 30), goarr_buildings[i].name))
{
buildingPlacer.SetBuilding(goarr_buildings[i]);
}
}
}