book

iOS Game Development Cookbook

by Jonathon Manning, Paris Buttfield-Addison

April 2014

Intermediate to advanced

396 pages

8h 47m

English

O'Reilly Media, Inc.

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Preface
AudienceOrganization of This BookAdditional ResourcesConventions Used in This BookUsing Code ExamplesSafari® Books OnlineHow to Contact UsAcknowledgement
1. Laying Out a Game
Laying Out Your EngineCreating an Inheritance-Based Game LayoutCreating a Component-Based Game LayoutCalculating Delta TimesDetecting When the User Enters and Exits Your GameUpdating Based on a TimerUpdating Based on When the Screen UpdatesPausing a GameCalculating Time Elapsed Since the Game StartWorking with BlocksWriting a Method That Calls a BlockWorking with Operation QueuesPerforming a Task in the FutureStoring Blocks in ObjectsUsing a TimerMaking Operations Depend on Each OtherFiltering an Array with BlocksLoading New Assets During GameplayAdding Unit Tests to Your Game2D Grids
2. Views and Menus
Working with StoryboardsCreating View ControllersUsing Segues to Move Between ScreensUsing Constraints to Lay Out ViewsAdding Images to Your ProjectSlicing Images for Use in ButtonsUsing UI Dynamics to Make Animated ViewsMoving an Image with Core AnimationRotating an ImageAnimating a Popping Effect on a ViewTheming UI Elements with UIAppearanceRotating a UIView in 3DOverlaying Menus on Top of Game ContentDesigning Effective Game Menus
3. Input
Detecting When a View Is TouchedResponding to Tap GesturesDragging an Image Around the ScreenDetecting Rotation GesturesDetecting Pinching GesturesCreating Custom GesturesReceiving Touches in Custom Areas of a ViewDetecting ShakesDetecting Device TiltGetting the Compass HeadingAccessing the User’s LocationCalculating the User’s SpeedPinpointing the User’s Proximity to LandmarksReceiving Notifications When the User Changes LocationLooking Up GPS Coordinates for a Street AddressLooking Up Street Addresses from the User’s LocationUsing the Device as a Steering WheelDetecting MagnetsUtilizing Inputs to Improve Game Design
4. Sound
Playing Sound with AVAudioPlayerRecording Sound with AVAudioRecorderWorking with Multiple Audio PlayersCross-Fading Between TracksSynthesizing SpeechGetting Information About What the iPod Is PlayingDetecting When the Currently Playing Track ChangesControlling iPod PlaybackAllowing the User to Select MusicCooperating with Other Applications’ AudioDetermining How to Best Use Sound in Your Game Design
5. Data Storage
Saving the State of Your GameStoring High Scores LocallyUsing iCloud to Save GamesUsing the iCloud Key/Value StoreLoading Structured InformationDeciding When to Use Files or a DatabaseUsing SQLite for StorageManaging a Collection of AssetsStoring Information in NSUserDefaultsImplementing the Best Data Storage StrategyIn-Game Currency
6. 2D Graphics and Sprite Kit
Getting Familiar with 2D MathCreating a Sprite Kit ViewCreating a SceneAdding a SpriteAdding a Text SpriteDetermining Available FontsIncluding Custom FontsTransitioning Between ScenesMoving Sprites and Labels AroundAdding a Texture SpriteCreating Texture AtlasesUsing Shape NodesUsing Blending ModesUsing Image Effects to Change the Way that Sprites Are DrawnUsing Bézier PathsCreating Smoke, Fire, and Other Particle EffectsShaking the ScreenAnimating a SpriteParallax ScrollingCreating Images Using Perlin Noise
7. Physics
Reviewing Physics Terms and DefinitionsAdding Physics to SpritesCreating Static and Dynamic ObjectsDefining Collider ShapesSetting VelocitiesWorking with Mass, Size, and DensityCreating Walls in Your SceneControlling GravityKeeping Objects from Falling OverControlling Time in Your Physics SimulationDetecting CollisionsFinding ObjectsWorking with JointsWorking with ForcesAdding Thrusters to ObjectsCreating ExplosionsUsing Device Orientation to Control GravityDragging Objects AroundCreating a Car
8. 3D Graphics
Working with 3D MathCreating a GLKit ContextDrawing a Square Using OpenGLLoading a TextureDrawing a CubeRotating a CubeMoving the Camera in 3D Space
9. Intermediate 3D Graphics
Loading a MeshParenting ObjectsAnimating a MeshBatching Draw CallsCreating a Movable Camera Object

10. Advanced 3D Graphics
Understanding ShadersWorking with MaterialsTexturing with ShadersLighting a SceneUsing Normal MappingMaking Objects TransparentAdding Specular HighlightsAdding Toon Shading
11. Artificial Intelligence and Behavior
Making an Object Move Toward a PositionMaking Things Follow a PathMaking an Object Intercept a Moving TargetMaking an Object Flee When It’s in TroubleMaking an Object Decide on a TargetMaking an Object Steer Toward a PointMaking an Object Know Where to Take CoverCalculating a Path for an Object to TakeFinding the Next Best Move for a Puzzle GameDetermining if an Object Can See Another ObjectUsing AI to Enhance Your Game Design
12. Networking and Social Media
Using Game CenterGetting Information About the Logged-in PlayerGetting Information About Other PlayersMaking Leaderboards and Challenges with Game CenterFinding People to Play with Using Game CenterUsing Bluetooth to Detect Nearby Game Players with the Multipeer Connectivity FrameworkMaking Real-Time Gameplay Work with Game Kit and the Multipeer Connectivity FrameworkCreating, Destroying, and Synchronizing Objects on the NetworkInterpolating Object StateHandling When a Player Disconnects and RejoinsMaking Turn-Based Gameplay Work with GameKitSharing Text and Images to Social Media SitesImplementing iOS Networking EffectivelyImplementing Social Networks Effectively
13. Game Controllers and External Screens
Detecting ControllersGetting Input from a Game ControllerShowing Content via AirPlayUsing External ScreensDesigning Effective Graphics for Different ScreensDragging and Dropping
14. Performance and Debugging
Improving Your Frame RateMaking Levels Load QuicklyDealing with Low-Memory IssuesTracking Down a CrashWorking with Compressed TexturesWorking with WatchpointsLogging EffectivelyCreating Breakpoints That Use Speech
Index
Colophon
Copyright

Overview

Want to build games with iOS technologies? This cookbook provides detailed recipes for a wide range of common iOS game-development issues, ranging from 2D and 3D math to Game Center integration, and OpenGL to performance. If you’re familiar with iOS and Objective-C, this is the problem-solving guide you want.

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