Tap, Move, Shake: Turning Your Game Ideas into iPhone & iPad Apps

274 Pages·2011·22.34 MB·English

by  Todd Moore

Tap, Move, Shake
Turning Your game ideas inTo iPhone & iPad aPPs
Todd moore

i
Tap, Move, Shake: Turning Your Game Ideas into iPhone & iPad Apps
by Todd Moore
Copyright © 2012 Todd Moore. All rights reserved.
Printed in the United States of America.
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Editors: Shawn Wallace and Brian Jepson Cover Design: Monica Kamsvaag
Production Editor: Jasmine Perez Compositor: Rebecca Demarest
Proofreader: Kiel Van Horn Indexer: Lucie Haskins
Printing History:
December 2011: First Edition.
Revision History:
2011-12-09 First release
See http://oreilly.com/catalog/errata.csp?isbn=9781449303457 for release details.
While every precaution has been taken in the preparation of this book, the publisher and author
assume no responsibility for errors or omissions, or for damages resulting from the use of the
information contained herein.
This book presents general information about technology and services that are constantly
changing, and therefore it may contain errors and/or information that, while accurate when it
was written, is no longer accurate by the time you read it. Some of the activities discussed in
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the authors and O’Reilly Media, Inc., disclaim any responsibility for any resulting damage or
expense. The content of this book represents the views of the author only, and does not represent
the views of O’Reilly Media, Inc.
ISBN: 978-1-449-30345-7
[M]
ii Chapter 1: Contents
To Dad,
It all started with that TRS-80.
iii
iv Chapter 1: Contents
ConTenTs
AbouT The AuThor .....................................................................viii
foreword .........................................................................................ix
PrefACe ...............................................................................................xi
Who Should Read This Book xii
What You Will Learn xiii
Conventions Used in This Book xv
Using Code Examples xv
Safari® Books Online xvi
How to Contact Us xvii
InTroduCTIon To XCode ...........................................................1
Developer Registration 1
Installation 2
Xcode 4
Interface Builder 26
Connections 30
Game Logic 34
hello Pong .....................................................................................38
Project Creation 40
Laying Out the Game Pieces 43
Multi-touch 49
Animation 59
Collision 63
Scoring 65
Finishing Touches 69
Sounds 81
v
ConTenTs
grAPhICS ...........................................................................................88
Introduction 90
Bitmaps and Vectors 91
Image Formats 93
Retina Display 94
Creating Images for an Air Hockey Game 96
Application Integration 116
Build and Run 121
PhySICS ............................................................................................122
Paddle Physics 123
Puck Physics 139
SoundS ...........................................................................................158
What Is Sound? 159
Creating Sounds 163
Downloading Sounds 163
Recording Sounds 164
Editing Sounds 167
CoMPuTer AI ................................................................................172
Computer Player Menu 173
Computer Player 183
Computer Difficulty 205
vi Chapter 1: Contents
ConTenTs
APP STore .......................................................................................212
Screenshots 213
Creating the Application Description and Keywords 216
Submitting Metadata to iTunes Connect 218
Archive and Submit 224
App Review 226
App Marketing and Sales 235
Conclusion 244
IndeX ................................................................................................246
vii
abouT The auThor
About the Author
Todd Moore founded TMSOFT to create unique
smartphone applications and games. One of the few
developers to have had two apps simultaneously in
iTunes’ Top 20 Paid Downloads, his most popular
game, Card Counter, was featured by Engadget, the
Los Angeles Times, and CNET TV. Todd’s most popu-
lar application, White Noise, was featured by iTunes,
Health Magazine, The Washington Post, PC Magazine,
and Late Night with Jimmy Fallon.
Todd started his professional career as a student
trainee for the CIA, and after graduating from Old
Dominion University with a degree in computer science, he designed network
security and cyber forensic products. Since then, he’s had numerous appear-
ances in front of audiences: everything from demonstrating how to crack a
popular VoIP application at DEFCON 12 to competing on the NBC reality

show Treasure Hunters.

viii Chapter 1: About the Author