redef fun hit(event, ui_pos)
	do
		if not event.is_move then
			var e = new VirtualGamepadEvent(name.to_s)
			e.is_down = event.pressed
			app.accept_event e

			if event.pressed then
				down_names.add name
			else down_names.clear
		end
		return true
	end

	redef fun hit(event, ui_pos)
	do
		var display = app.display
		if display == null then return false

		var dx = ui_pos.x - center.x
		var dy = ui_pos.y - center.y
		if show_down then dy -= 100.0

		# Angle (with 0.0 on the right) to index in WASD (0 -> W/up)
		var indexes = new Set[Int]
		var ao = atan2(dy, dx)
		ao -= pi/4.0

		# Look for 2 angles so 2 buttons can be pressed at the same time
		for da in once [-pi/8.0, pi/8.0] do
			var a = ao+da
			while a < 0.0 do a += pi*2.0
			while a > 2.0*pi do a -= pi*2.0
			var index = (a * 2.0 / pi).floor.to_i
			if index < 0 then index += 4
			indexes.add index
		end

		var shows = [show_up, show_left, show_down, show_right]
		var new_down_names = new Set[String]
		for index in indexes do
			# Don't trigger events for hidden buttons/directions
			if not shows[index] then continue

			var name = names[index]
			# Simulate event
			var e = new VirtualGamepadEvent(name)
			e.is_down = event.pressed
			app.accept_event e

			if event.pressed then new_down_names.add name
		end

		# Depress released directions
		for name in down_names do
			if not new_down_names.has(name) then
				var e = new VirtualGamepadEvent(name)
				e.is_down = false
				app.accept_event e
			end
		end

		down_names = new_down_names

		return true
	end