To get the most out of this book
This book uses the Xcode IDE version 10 (Swift 4.2). If you use a different version of Xcode, you will likely encounter syntax differences; Apple is constantly upgrading Swift's syntax. You can use Xcode's Edit | Convert | To Current Swift Syntax to update the code examples in this book to a newer version of Xcode.
Visit https://developer.apple.com/xcode/to download Xcode.
You will need an Apple developer account to integrate your apps with Game Center and submit your games to the App Store.
To run ARKit games you will need an iPhone SE or higher, a fifth-generation iPad, or an iPad Pro. To run the Multipeer AR project you will need two devices because it can't be tested on an emulator.
Download the example code files ...
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