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More About This Title Beginning iOS Game Development
English
Whether you only have a little experience with iOS programming or even none at all, this accessible guide is ideal for getting started developing games for the iPhone and iPad. Experienced developer and author Patrick Alessi presents the iOS system architecture, gives you the step-by-step of game development, and introduces the languages used to develop games. From the basic building blocks to including drawing, responding to user interaction, animation, and sound, this book provides a one-stop-shop for getting your game up and running.
Explores the tools and methodology used to develop games for the iPhone and iPadRequires no previous experience with building a game for the iOS platformDetails how iOS games require different considerations than other applicationsAddresses working with the Xcode programming environment, how to draw with the Quartz 2D API, ways to handle user input, and techniques for incorporating animation with Core Animation and sound with Core AudioIf you're ready to jump on the gaming app bandwagon, then this book is what you need to get started!
English
Patrick Alessi has built data-centric applications for clients ranging from small business databases to large-scale systems for the United States Air Force. He is the developer of several applications in the iTunes store, and is the author of Professional iPhone and iPad Database Application Programming. He has also developed a variety of real-time systems, graphics intensive desktop applications, and games. Currently, he is focused on developing connected applications and games for mobile devices such as the iPhone and iPad.
English
PART I: THE TOOLS TO GET STARTED
CHAPTER 1: GAMES ON IOS 3
What Makes a Good iOS Game? 4
Device Usage 4
Use Unique Features of iOS 4
Make Your Game Fun 5
Graphics and Design 6
Developing Your Idea 6
Documenting Your Game 6
Prototyping Your Game 7
Preparing to Code 8
Game-Related Frameworks 9
Cocoa 9
Drawing: UIKit and Core Graphics 11
User Interaction: Cocoa Touch 12
Animation: Core Animation 12
Sound: Core Audio 13
Game Kit 14
Summary 14
CHAPTER 2: THE XCODE PROGRAMMING ENVIRONMENT 17
The Coding Environment 18
Creating a Project 19
Navigating Your Project 22
The Navigator Area 22
Navigating by Symbol 23
Searching Your Code 23
Viewing Code Issues 24
Examining Logs 24
Editing Your Code 25
Code Coloring 25
Indentation and Snippets 26
Fix-it 28
Integrated Help 28
Using the Jump Bars 29
The Assistant Editor 30
Xcode Debugging Tools 31
Breaking and Stepping through Your Code 31
Additional Breakpoint Features 35
Building a Simple Interface 36
Summary 42
CHAPTER 3: THE C PROGRAMMING LANGUAGE 45
Introducing C 45
Variables and Expressions 46
Data Types 46
Variables 47
Base Data Types 47
Generating Output and Accepting Input 47
Extending the Data Types 50
Operators 51
Assignment Operators 52
Arithmetic Operators 54
Relational Operators 54
Logical Operators 55
Scope 55
Structures 56
Arrays 61
Loops 64
for Loops 64
while and do…while Loops 67
break and continue 72
Execution Flow and Decisions 73
The if Statement 73
The Conditional Operator 74
Choosing an Option with switch 75
Breaking Up Code with Functions 77
Pointers 82
A Game Example 85
Summary 91
CHAPTER 4: THE OBJECTIVE-C PROGRAMMING LANGUAGE 95
Classes and Objects 96
Instance Variables 97
Methods and Messages 98
Managing Memory 104
Automatic Reference Counting 106
Inheritance 107
Building Subclasses from a Base Class 107
Overriding Base Class Methods 110
Polymorphism 111
Building a Game in Objective-C 114
Exposing Class Data with Properties 115
Declaring a Property 115
Accessing a Property 117
Class Methods 117
Implementing the MindPlayer 119
Building the Game Loop 127
Summary 134
CHAPTER 5: THE COCOA FOUNDATION FRAMEWORK 137
Model-View-Controller Architecture 138
Your First iOS Game 138
Building the UI 140
Outlets and Actions 140
Handling Text with NSString 144
NSString Methods 144
Mutable and Immutable Types 144
String Comparison 145
Collecting Objects with NSArray 146
NSArray Methods 146
Modifying Arrays by Using NSMutableArray 147
Wrapping Numbers with NSNumber 147
Other Collection Classes 148
NSSet 148
NSDictionary 148
Building the Game Model 157
Periodic Events and Timers 162
Summary 169
PART II: GAME BUILDING BLOCKS
CHAPTER 6: DRAWING WITH UIKIT AND CORE GRAPHICS 173
Introducing the Drawing Frameworks 173
UIKit 174
Core Graphics 175
The Drawing Environment 175
The Graphics Context 175
The UIView Coordinate System 176
The drawRect: Method 176
Drawing Shapes with UIBezierPath 177
Specifying Colors with UIColor 178
Advanced Drawing with Core Graphics 186
Shadows 186
Gradients 188
Starting the Blocker Game with the BlockView 192
Working with Images 197
The Image Classes 198
The View Hierarchy 199
Animation and Timing with CADisplayLink 206
Finishing the Blocker Game 215
Summary 217
CHAPTER 7: RESPONDING TO USER INTERACTION 219
Events in iOS 219
The Event Architecture 220
Event Objects 221
Handling Multitouch Events 222
Building a Simple Touch-Based Game: Simon Says 225
Responding to Motion with the Accelerometer 241
Recognizing Gestures 247
Summary 248
CHAPTER 8: ANIMATING YOUR GRAPHICS 251
Animating Images with UIImageView 252
Introducing Core Animation 255
A Brief Introduction to Blocks 255
Animating UIView Properties and Transitions 256
Property Animations 256
Transition Animations 267
Core Animation Basics 276
Layer Layout 277
Animatable Properties 277
Layer Trees 283
Summary 286
CHAPTER 9: MAKING NOISE WITH IOS AUDIO APIS 289
Playing Simple Sounds with the System Sound Services 290
Playing Sounds with the AV Foundation Framework 291
The AVAudioPlayer Class 291
Format and Performance Considerations 292
Confi guring the Audio Session 293
Playing Multiple Sounds Simultaneously 313
Looping Sounds 313
Media Player Framework 322
Summary 330
CHAPTER 10: BUILDING A NETWORKED GAME WITH GAMEKIT 333
Introducing GameKit 333
Starting Out 334
Networking Your Game 351
NSData and NSCoding 352
Converting Classes to Data with Archives 353
Connecting and Sending Data 354
Running the Game 364
Summary 366
APPENDIX: ANSWERS TO EXERCISES 369
INDEX 385
