The display method
The background colour
The refresh rate, in Hertz
|-> (forall t. Frameworks t => Event t Float -> Event t InputEvent -> Moment t (Behavior t Picture))|
A Moment t action to generate the Picture Behavior, taking the refresh and input Events with respect to which to build it. The refresh event generates a Float indicating the time delta since the last refresh.
|-> IO ()|
Play the game in a window, updating when the value of the provided Behavior t Picture changes.