tool extends Button func _on_Button_pressed(): SummerDay.z_space_manager.z_ranges.clear() var a = SummerDayZRange.new() a.index = 0 var b = SummerDayZRange.new() var c = SummerDayZRange.new() b.index = 1 a.index = 1 c.index = 2 c.index = 0 b.index = 0 print(str(a.index) + ", " + str(b.index) + ", " + str(c.index))