Creating Different Game Modes

Games typically run in modes. Modes specify what the game should do on the current tick, displaying the main menu or the game-over screen, for example. In computer science, this is often formalized as a state machine. It’s a good idea to start by defining our game’s basic mode structure, which acts as an outline for the rest of the program.

Flappy Dragon requires three modes:

1. Menu: The player is waiting at the main menu.

2. Playing: The gameplay is in progress.

3. End: The game is over.

Transitions between these modes are relatively straightforward:

Game modes are best represented as an enum. Enumerations allow us to limit the value of a variable to one of a set of possible states. Under the prelude import, add a GameMode enumeration to represent the available game modes:

• Line 1: GameMode is an enum.

• Lines ...