Introduction to Keeping Application Pure Through Spaceship Game
Let's look at how application purity can be achieved through a step-by-step implementation of a space shooter game.
We'll cover the following...
To show how we can keep an application pure, we’ll build a video game in which our hero fights endless hordes of enemy spaceships. We’ll make heavy use of Observable pipelines, and I’ll point out along the way when it might be tempting to store state outside the pipeline and how to avoid it.
Video games notoriously keep a lot of external state—scores, screen coordinates for the characters, ...