Getting Started with SpriteKit

Conventions

There are several text styles in this book that refer to different type of information. For example, you will find words referring code that will look like the following line:

There are a couple of storyboard files, namely Main and LaunchScreen, which are responsible for showing the game screen and launch image respectively.

You will find code blocks that look like this:

import UIKit

@UIApplicationMain
class AppDelegate: UIResponder, UIApplicationDelegate {

    var window: UIWindow?

    func application(application: UIApplication, didFinishLaunchingWithOptions launchOptions: [NSObject: AnyObject]?) -> Bool {
        // Override point for customization after application launch.
        return true
    }

If you are expected to perform some actions on specific places ...