TheApp is a class for making a game like application, implementing functionality common in many games. The idea is to make constructing games and demos quick, with minimal code.

TODO: a way to chose between display flip and update. without overriding the whole method.

There are a number of different methods with default implementations to save work. Most of these can be overridden if you need to specialise any parts.

= How the main loop works. =

TheApp class has a couple of different ways which it handles the main loop internally. It can use a while loop or the twisted reactor.

However by using the methods provided you should not have to modify this.

It can be instructional to have at a look at the source for different methods, so that overriding them can be easy.

This is the 2d pygame version of the class. There is an opengl version named rdpyg.app.the_app_gl.TheAppGL

= Commonly overridden methods =

• Display Your drawing code. Update Updating your game logic, game play, and game ai. HandleEvents Code to handle user input, operating system interaction, and other events. Load * Code to load your game data. Like images, sounds etc.

= Order of operation =

The order in which the different methods get called is to update your game objects, handle user input, do your display changes.

Start() InitDislpay() Load()

Loop() Before loops starts looping: LoopInit() SetupTiming() Every tic or frame of loop: Update() HandleEvents() DoBeforeDisplay() Display() DoAfterFlip()