Controller

Controller is a Object that can use to controls Motors as well as Thrusters. However, this is useful for Planes and Ships.

Controls

 * A Yellow Text Label depends on how fast is the speed of Attached Motors
 * Plus Button: A Button will increase the Motor's speed when clicked.
 * Negative Button: Opposite to a plus button, a Button will decrease the Motor's speed when clicked.
 * Reserve Button: A button will reserve the Motor's speed when clicked, for example: if an Engine currently has 5, it will turn it's speed into -5
 * Full Stop Button: A button will return absolute zero speed for attached Motors, for example: if an SteamEngine has 7, a button which has been clicked will stop SteamEngine's Speed into 0