Constructor. Initialise event handlers as appropriate based on the controlScheme
the HTML Canvas to register events upon
the ControlScheme given to the Game's Config, used for optimising event registration and handling
Position of last user click
Position of last user context click
Position of last user double click
Current position of the mouse within the window
Tear down event handlers; called as part of Game destroy()
Check if a given Key code is currently pressed by checking its presence within the keyBuffer
the Key code to check
a boolean indicating whether or not the key is pressed
Check if the mouse is down
a boolean indicating whether or not the mouse is pressed
Core InputManager; utilised by the Game to defer the detection and management of user input