Game State

game.coffee

    # Contains the game state in a protected (closure) variable
    state : ->
      # Our protected variable, only changeable through the setState method
      # defined below
      _state = 'stopped'

      # The state method will (from the 2nd call onwards) only return the
      # state.
      @.state = ->
        _state

      # Sets the Game state to allowed members only
      @.setState = (newState) ->
        if ['stopped', 'playing', 'paused'].indexOf(newState) < 0
          throw new Error("Unknown state '" + newState.toString() + "'")
        else
          _state = newState

        @