A quick game design session

In the previous chapter, I had you create a project called "Walk the Dog", and you were so engrossed by the process of creating a Rust project and my thrilling prose that you didn't even ask why that was the name of the project. Now we'll dig into the game we're making for this book – Walk the Dog.

Walk the Dog is an endless runner with a simple concept. You play as a boy walking his dog through the forest when your dog is surprised by a cat that runs by and starts chasing it. You, in turn, begin chasing your dog through the forest, dodging obstacles along the way, until you crash into one and fall down. At which point, of course, the dog turns around and checks on you.

In case you hadn't guessed, the idea for this game came to me while walking the dog on ice. I've used Miro (https://miro.com) to make a prototype, just to get a feel for what the game will look like:

Figure 2.1 &...