Game Development Patterns and Best Practices

The graphics engine

This book isn't about creating a graphics engine but we do need one to draw to the screen. Similar to how the M5App class encapsulates important OS function calls, our M5Gfx class encapsulates our graphics API. We want to make sure there is a clear separation between any API calls and our game logic. This is important so we can port our game to another system. For example, we may want to develop our game for PC, XBox One, and PlayStation 4. This will mean supporting multiple graphics APIs since a single API isn't available for all platforms. If our game logic contains API code, then those files will need to be modified for every platform.

We won't be going deep into the details of how to implement a full graphics engine, ...