private fun enable_gyroscope
	do
		gyroscope.asensor = sensormanager.get_default_sensor(new ASensorType.gyroscope)
		if gyroscope.asensor.address_is_null then
				print "Gyroscope sensor unavailable"
		else
			if eventqueue.enable_sensor(gyroscope.asensor) < 0 then print "Gyroscope enabling failed"
			eventqueue.set_event_rate(gyroscope.asensor, gyroscope.event_rate)
		end
	end