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Wrap up

You've just finished a massive project, and regardless of how much you have learned you deserve kudos for all your patience. This project required you to follow several long steps before you could see your code run. I hope it was worth it, and I hope in retrospect that you can see why all the code was needed.

Along the way, you've learned all about SKShapeNode, AVAudioPlayer, physics speed, CaseIterable, removeFirst(), action groups, and more, so you're several steps closer to your goal of being an experienced Swift developer. Well done!

Review what you learned

Anyone can sit through a tutorial, but it takes actual work to remember what was taught. It’s my job to make sure you take as much from these tutorials as possible, so I’ve prepared a short review to help you check your learning.

Click here to review what you learned in project 23.

Challenge

One of the best ways to learn is to write your own code as often as possible, so here are three ways you should try your new knowledge to make sure you fully understand what’s going on:

  1. Try removing the magic numbers in the createEnemy() method. Instead, define them as constant properties of your class, giving them useful names.
  2. Create a new, fast-moving type of enemy that awards the player bonus points if they hit it.
  3. Add a “Game over” sprite node to the game scene when the player loses all their lives.

LEARN SWIFTUI FOR FREE I wrote a massive, free SwiftUI tutorial collection, and also have a growing list of free SwiftUI tutorials on YouTube – get started today!

Share your success!

One of the most effective motivators of success is sharing your progress with other people – when you tell folks what you're doing and what you've learned, it encourages you to come back for more, which in turn will help you reach your app development goals faster.

So, now that you've done all the hard work it's time to share your success: tell folks that you've completed this project, either by clicking the button below to start composing a tweet, or by writing your own message from scratch. This will definitely encourage you to keep learning, but it will also help other folks discover my work – thank you!

 

About the author

Paul Hudson is the creator of Hacking with Swift, the most comprehensive series of Swift books in the world. He's also the editor of Swift Developer News, the maintainer of the Swift Knowledge Base, and Mario Kart world champion. OK, so that last part isn't true. If you're curious you can learn more here.

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