--- Set the screen resolution or size of the window. The value is an array
--- with three number elements representing the width, height, and bits per
--- pixel that make up the video mode. If the fullscreen option is set, the
--- default behavior is to pick a native resolution. Otherwise, the game
--- window will default to 800x600.
+-- Set the display resolution or size of the viewing window. If left at
+-- the default value (a function), the video mode will only be set if we're
+-- not in fullscreen. That way, a native resolution will be used.