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  • Book Overview & Buying Swift 3 Game Development
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Swift 3 Game Development

Swift 3 Game Development - Second Edition

By : Haney
2.7 (3)
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Swift 3 Game Development

Swift 3 Game Development

2.7 (3)
By: Haney

Overview of this book

Swift is the perfect choice for game development. Developers are intrigued by Swift 3.0 and want to make use of new features to develop their best games yet. Packed with best practices and easy-to-use examples, this book leads you step by step through the development of your first Swift game. This book starts by introducing SpriteKit and Swift's new features that can be used for game development. After setting up your first Swift project, you will build your first custom class, learn how to draw and animate your game, and add physics simulations. Then, you will add the player character, NPCs, and powerups. To make your game more fun and engaging, you will learn how to set up scenes and backgrounds, build fun menus, and integrate with Apple Game Center to add leaderboards and achievements. You will then make your game stand out by adding animations when game objects collide, and incorporate proven techniques such as the advanced particle system and graphics. Finally, you will explore the various options available to start down the path towards monetization and publish your finished games to the App Store. By the end of this book, you will be able to create your own iOS games using Swift and SpriteKit.
Table of Contents (20 chapters)
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19
Index

Authenticating the player's Game Center account

As soon as our app starts, we will check if the player is already logged in to their Game Center account. If not, we will give them a chance to log in. Later, when we want to submit high scores or achievements, we can use the authentication information we gathered when the app launched, instead of interrupting their gaming session to collect their Game Center information.

Follow these steps to authenticate the player's Game Center account when the app starts:

  1. First, we will turn on Game Center for your project in Xcode. Open the Capabilities tab of your project settings and make sure Game Center is flipped to ON, as shown in the following screenshot:
    Authenticating the player's Game Center account
  2. We will now be working in the GameViewController class, so open GameViewController.swift in Xcode.
  3. Add a new import statement at the top of the file so we can use the GameKit framework:
            import GameKit
  4. In the GameViewController class, add a new function called authenticateLocalPlayer...
CONTINUE READING
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Swift 3 Game Development
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