book

iOS Swift Game Development Cookbook, 3rd Edition

by Jonathon Manning, Paris Buttfield-Addison

October 2018

Intermediate to advanced

350 pages

7h 29m

English

O'Reilly Media, Inc.

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Preface
AudienceOrganization of This BookAdditional ResourcesConventions Used in This BookUsing Code ExamplesO’Reilly SafariHow to Contact UsAcknowledgments
Laying Out a Game
1.1. Laying Out Your Engine1.2. Creating an Inheritance-Based Game Layout1.3. Creating a Component-Based Game Layout1.4. Creating a Component-Based Game Layout Using GameplayKit1.5. Calculating Delta Times1.6. Detecting When the User Enters and Exits Your Game1.7. Updating Based on a Timer1.8. Updating Based on When the Screen Updates1.9. Pausing a Game1.10. Calculating Time Elapsed Since the Game Start1.11. Working with Closures1.12. Writing a Method That Calls a Closure1.13. Working with Operation Queues1.14. Performing a Task in the Future1.15. Making Operations Depend on Each Other1.16. Filtering an Array with Closures1.17. Loading New Assets During Gameplay1.18. Adding Unit Tests to Your Game1.19. 2D Grids1.20. Using Randomization1.21. Building a State Machine
Views and Menus
2.1. Working with Storyboards2.2. Creating View Controllers2.3. Using Segues to Move Between Screens2.4. Using Constraints to Lay Out Views2.5. Adding Images to Your Project2.6. Slicing Images for Use in Buttons2.7. Using UI Dynamics to Make Animated Views2.8. Moving an Image with Core Animation2.9. Rotating an Image View2.10. Animating a Popping Effect on a View2.11. Theming UI Elements with UIAppearance2.12. Rotating a UIView in 3D2.13. Overlaying Menus on Top of Game Content2.14. Designing Effective Game Menus
Input
3.1. Detecting When a View Is Touched3.2. Responding to Tap Gestures3.3. Dragging an Image Around the Screen3.4. Detecting Rotation Gestures3.5. Detecting Pinching Gestures3.6. Creating Custom Gestures3.7. Receiving Touches in Custom Areas of a View3.8. Detecting Shakes3.9. Detecting Device Tilt3.10. Getting the Compass Heading3.11. Accessing the User’s Location3.12. Calculating the User’s Speed3.13. Pinpointing the User’s Proximity to Landmarks3.14. Receiving Notifications When the User Changes Location3.15. Looking Up GPS Coordinates for a Street Address3.16. Looking Up Street Addresses from the User’s Location3.17. Using the Device as a Steering Wheel3.18. Detecting Magnets3.19. Utilizing Inputs to Improve Game Design
Sound
4.1. Playing Sound with AVAudioPlayer4.2. Recording Sound with AVAudioRecorder4.3. Working with Multiple Audio Players4.4. Cross-Fading Between Tracks4.5. Synthesizing Speech4.6. Getting Information About What the Music App Is Playing4.7. Detecting When the Currently Playing Track Changes4.8. Controlling Music Playback4.9. Allowing the User to Select Music4.10. Cooperating with Other Applications’ Audio4.11. Determining How to Best Use Sound in Your Game Design
Data Storage
5.1. Storing Structured Information5.2. Storing Data Locally5.3. Using iCloud to Save Games5.4. Using the iCloud Key-Value Store5.5. Deciding When to Use Files or a Database5.6. Managing a Collection of Assets5.7. Storing Information in UserDefaults5.8. Implementing the Best Data Storage Strategy5.9. In-Game Currency5.10. Setting Up CloudKit5.11. Adding Records to a CloudKit Database5.12. Querying Records to a CloudKit Database5.13. Deleting Records from a CloudKit Database
2D Graphics and SpriteKit
6.1. Getting Familiar with 2D Math6.2. Creating a SpriteKit View6.3. Creating a Scene6.4. Adding a Sprite6.5. Adding a Text Sprite6.6. Determining Available Fonts6.7. Including Custom Fonts6.8. Transitioning Between Scenes6.9. Moving Sprites and Labels Around6.10. Adding a Texture Sprite6.11. Creating Texture Atlases6.12. Using Shape Nodes6.13. Using Blending Modes6.14. Using Image Effects to Change the Way That Sprites Are Drawn6.15. Using Bézier Paths6.16. Creating Smoke, Fire, and Other Particle Effects6.17. Shaking the Screen6.18. Animating a Sprite6.19. Parallax Scrolling6.20. Creating Images Using Noise
Physics
7.1. Reviewing Physics Terms and Definitions7.2. Adding Physics to Sprites7.3. Creating Static and Dynamic Objects7.4. Defining Collider Shapes7.5. Setting Velocities7.6. Working with Mass, Size, and Density7.7. Creating Walls in Your Scene7.8. Controlling Gravity7.9. Keeping Objects from Falling Over7.10. Controlling Time in Your Physics Simulation7.11. Detecting Collisions7.12. Finding Objects7.13. Working with Joints7.14. Working with Forces7.15. Adding Thrusters to Objects7.16. Creating Explosions7.17. Using Device Orientation to Control Gravity7.18. Dragging Objects Around7.19. Creating a Car
SceneKit
8.1. Setting Up for SceneKit8.2. Creating a SceneKit Scene8.3. Showing a 3D Object8.4. Working with SceneKit Cameras8.5. Creating Lights8.6. Animating Objects8.7. Working with Text Nodes8.8. Customizing Materials8.9. Texturing Objects8.10. Normal Mapping8.11. Constraining Objects8.12. Loading COLLADA Files8.13. Using 3D Physics8.14. Adding Reflections8.15. Hit-Testing the Scene8.16. Loading a Scene File8.17. Particle Systems8.18. Using Metal
Artificial Intelligence and Behavior
9.1. Making Vector Math Nicer in Swift9.2. Making an Object Move Toward a Position9.3. Making Things Follow a Path9.4. Making an Object Intercept a Moving Target9.5. Making an Object Flee When It’s in Trouble9.6. Making an Object Decide on a Target9.7. Making an Object Steer Toward a Point9.8. Making an Object Know Where to Take Cover9.9. Calculating a Path for an Object to Take9.10. Pathfinding on a Grid9.11. Finding the Next Best Move for a Puzzle Game9.12. Determining If an Object Can See Another Object9.13. Tagging Parts of Speech with NSLinguisticTagger9.14. Using AVFoundation to Access the Camera9.15. Importing a Core ML Model9.16. Identifying Objects in Images9.17. Using AI to Enhance Your Game Design

Working with the Outside World
10.1. Detecting Controllers10.2. Getting Input from a Game Controller10.3. Showing Content via AirPlay10.4. Using External Screens10.5. Designing Effective Graphics for Different Screens10.6. Dragging and Dropping10.7. Providing Haptic Feedback with UIFeedbackGenerator10.8. Recording the Screen with ReplayKit10.9. Displaying Augmented Reality with ARKit10.10. Hit-Testing the AR Scene10.11. Using TestFlight to Test Your App10.12. Using Fastlane to Build and Release Your App
Performance and Debugging
11.1. Improving Your Frame Rate11.2. Making Levels Load Quickly11.3. Dealing with Low-Memory Issues11.4. Tracking Down a Crash11.5. Working with Compressed Textures11.6. Working with Watchpoints11.7. Logging Effectively11.8. Creating Breakpoints That Use Speech
Index

Overview

Ready to make amazing games for the iPhone and iPad? With Apple’s Swift programming language, it’s never been easier. This updated cookbook provides detailed recipes for managing a wide range of common iOS game-development issues, ranging from 2D and 3D math, SpriteKit, and OpenGL to augmented reality with ARKit.

You get simple, direct solutions to common problems found in iOS game programming. Need to figure out how to give objects physical motion, or want a refresher on gaming-related math problems? This book provides sample projects and straightforward answers. All you need to get started is some familiarity with iOS development in Swift.

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