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Wrap up

This project is done, and it's been a long one, but I hope you look at the results and think it was all worth it. Plus, you've once again learned a lot: SpriteKit, physics, blend modes, radians and CGFloat.

You’ve got the firm foundations of a real game here, but there's lots more you can do to make it even better. Here are some ideas to get you started:

  1. The pictures we’re using in have other ball pictures rather than just “ballRed”. Try writing code to use a random ball color each time they tap the screen.
  2. Right now, users can tap anywhere to have a ball created there, which makes the game too easy. Try to force the Y value of new balls so they are near the top of the screen.
  3. Give players a limit of five balls, then remove obstacle boxes when they are hit. Can they clear all the pins with just five balls? You could make it so that landing on a green slot gets them an extra ball.

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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