Learn GameSalad for. ios: Game. Development for. iphone, ipad, and HTML5. David Guerineau. Apress*

iOS: Game

Development

for

iPhone,

iPad,

and HTML5

i

David Guerineau

Apress*

CONTENTS

Contents

About the Author xii About theTechnical Reviewer xiii

Acknowledgments

xiv

Introduction

xv

Part 1:

Learning

the GameSalad Fundamentals 1

Chapter

1:

_Preparing

Your

_Design

Environment 3 GameSalad

Requirements

3

Registering

to GameSalad 4

About GameSalad Pro 5

Registering

in the iOS

_{Developer Program}

6

Installing

Xcode 14

Installing

GameSalad Creator 17

Installing

GameSalad iOS Viewer 19 Whyis GameSalad iOS Viewerapieceofcode? 19

GettingtheGameSalad iOS Viewer 20

InstallingtheDeveloperCertificate in YourKeychain 20

CreatingaProvisioningProfile for iOS Viewer 23

InstallingiOSViewer 26

Summary

29

Chapter

2: Your First Game from Scratch: The

_Pong

Game .31 A Little Bit of

_{HistoryAbout Pong}

31

Specifying

the Game

_Concept

and Rules 34

The Game_Concept 34 The Game Rules 35

Creating

a New GameSalad

_Project

35

Adding

Actors 39

What isanactor? 39

Creatingactors 40

Modifying

Actors Attributes 41

InstanceorPrototype 41 Actor Attributes 42

CommonlyUsed Attributes 42

ModifyingAttributes 44

Adding

Behaviors 46

Whatarebehaviors? 46

AddingBehaviors 47

Adding

an Actor to the Scene 51

Creating

Other Actors 52

RacketPlayer2 53 The Ball 54 Walls 60 Tags 61 Let's

_Play

63

Summary

63

£

_Chapter

3:

_Finishing

_{Pong: Scoring}

and Game Interaction 65

Let's

_Keep

Score 65

It's All About the Ace! 74

ServingFeature: The Winner of the Point Serves the NextBall 74

KeepingOne Ball in the GameataTime 76

Do You Have the Touch? 79

ServingwithaPinch of Touch 79

Giving

Your Game a Brain 81

Detectingthe Direction andGettingthe Y Value 81

Moving Player2 Rackettothe Stored Value 83

Pong,

Talk to Me 84

Let's

_Play

onYour Device 85

Summary

86

«

Chapter

4: Break A Wall:

Implementing Comments,

Accelerometer

Movements,

LifeManagement,

and Pause 87

Laying

Down the Basics 90

Definingthe NewProject 90

Definingthe Actors 90

CreatingtheCollidable Tag 97

Definingthe Attributes 98

Implementingthe Rules andBehaviors 98

Layoutof the Scene 106

CONTENTS

Commenting

Your Work 107

Moving

thePaddle with the Accelerometer 109

Managing

Lives _{and the GameOver process} 115

Adding

a PauseFeature 119

Summary

123

B

_Chapter

5:

_Making

a Shoot 'Em

Up

Game: Carrot Invader 125

Preparing

theBasic Elementsof the Scene 127 Creatingthe Carrot Invader GameProject 127 Artist Entrance:_Creatingthe Actors 127

Controllingthe Number of Enemies with Game Attributes 133

Settingthe_{Screenplay: Implementing}RulesandBehaviors 134 The Invasion isStarting: Creatingthe Scene_Layout 142

Adding

Advanced Features 143

ComplexMovements 143

Givingthe_Impressionof_SpaceshipMovement 148

ManagingtheEnergyBar 152 Scene_Management 157

Summary...

158 Part2: Let's

_{Spice Up}

the Saladwith Advanced Functions and Effectsin

GameSalad 159

Chapter

6:

_{Learning Gravity,}

Basic

_Physics,

and Camera Controls: An

_Angry

Birds-like

_Game,

Part I 161

Building

a

Slingshot:

Elastic and Pullback Force 162

AnatomyofaSlingshot 162

Buildingthe Pullback Force 166 How to SimulateanElastic in GameSalad 175

Controlling

theCamera:

_Scrolling

Across the Scene ...184

TheScreenvs.the Scene 184

Implementingthe_Scrolling 186

Flying

and

_Falling

Down:

_{Gravity Concepts}

187

OnceUponaTime,There WasanApple 187

FlyingandDragging 188

MoreCamera Controls:

_Zooming

In/Out While

_Flying...

189

ZoomingOut 189

ZoomingIn 191

Projectile Management:

Managing

the

_Attempts

193 AddingBoundaries 193

Creating Dummy Projectiles 195

Modifyingthe_ProjectileInstance 198

Summary

• 202

m

_Chapter

7:

_Creating

a Game Menu and a Particles Effect: An

_Angry

Birds-like

Game,

Part II 203

Aiming

ata

Target: Destroying

Blocks 204

Creatingthe Blocks:Hard,Soft,andthe_Target 204 Make ThemCollide 205 Ground ThemonEarth:Gravity 206

Letthe ActorsEnter the Scene 207

Witha Touch of

_Style:

The Particle Effect 208 The Parametersof the Particle Effect 208 An_Explosionof Colors 213

Performance

Optimization

with Tables 217

Introduction to TablesinGameSalad 217

ManagingSeveral Scenes in One Scene 220

Adding

a Cool Menu 234

Creatingthe Menu Scene 234

ManagingUnlocked Levels 235

Implementingthe_SlidingEffect 238

EnablingLevel Selection 242

AddingaMenu Buttononthe Initial Scene 244

Summary

245

Chapter

8:

_Graphics

and Sound Effects:

_Labyrinth

247

Creating

the

Labyrinth

Game

_Project

248

Creating

Actors for the

_Labyrinth

Game 248

Defining

the Game

_Logic

with RulesandBehaviors 253

Designing

the Game Area

by Laying

Out theScene 263

Implementing

Lighting Special

Effects 266

Implementing

Sound

_Special

Effects 267

Summary

270

Part 3:

_Prepping

for the

App

Store:

_{Polishing, Publishing,}

and

_Promoting

Your

Game 271

a

_Chapter

9:_Bonuses,Game

_Center,

and iAd: Break aWall 273

Designing

the Start Screen 274 Creatingthe Actors 275

ImplementingRules and Behaviors 276

Adding

Score

_Keeping

283

CONTENTS

ScoreDisplayActor 286

ScoreDisplayRulesand Behaviors 287

Creating

the Extra-Bonus Actors 289

50ptcap Actor 289

Implementing

the Extra-Bonus Rules and Behaviors 291

Posting

Scores onGame Center Leaderboard 300

Loginto Game Center 301

PostingaScore 302

Showingthe Scores 303

iAd 304

Summary

306

Chapter

10: Device Internal Clock and

_Cyclic

Movement: Non-Game

_Apps307

Creating

an

Analog

Clock with the Device Clock andRotation 308

Accessingthe Device Clock 309 Creatingthe ClockProject 309

Creatingthe_Backgroundand the Clock Hands 310 Creatingthe Clock Mechanisms: Rulesand Behaviors 313

Assemblingthe Clock:Layingout the Scene 317

Cyclic

Movement: The Metronome 318

Creatingthe MetronomeProject 319 MetronomeMechanical Components:CreatingtheActors 320

StoringInformation:DefiningtheAttributes 323

Creating Mechanical Movements: Rules and Behaviors 324

Buildingthe Metronome:Layingoutthe Scene 338

Summary 340

Chapter 11:

_Submitting

YourGameto the

_App

Store 341

Getting

the

_{AppID, Certificate,}

and Distribution

_Provisioning

Profile onthe

Provisioning

Portal 342

CreatingYourAppID 342 Your Distribution Certificate 343

Creatingthe Distribution_ProvisioningProfile 343

Creating

the Gameon iTunes Connect 345

Step1:_LoggingintoiTunes Connect 345

Step2:CreatingaNewApp 346

Step3:_ProvidingBasic Information 346

Step4:ReleaseDateand_PricingInformation 347

Step5:_ProvidingVersion and_CategoryInformation 347

Step6:_DefiningYour_{Application Rating} 348

Step7:_ProvidingMetadata Information 349

Step8:Readingand_Acceptingthe EULAAgreement 350 X

Step9: _ProvidingtheGame Artwork 350

EnablingGame Center for Your_App 352

EnablingiAd 356

Updating

Game Center in GameSalad 357

Publishing

the Game Inside GameSalad 357

Step1:Selectingthe_TargetedPlatform 357

Step2:_ProvidingOverview Information 358

Step3:_SelectingYour_ProvisioningProfile 360

Step4:ProvidingaLink toaPromotional YouTube Video 362

Step5:_UploadingYourScreenshots 362

Step6:ReadingandAcceptingtheAgreement 362

Step7:_CompressingYourFile 364

Uploading

the Game to iTunes 364

Wait and Waitand Wait 369 Your Game is

_Ready

for Sale 370

Summary

370

9

_Chapter

12: Introduction to Game Promotion 371

Pre-Development

Phase 372 DefiningYour_TargetedCustomers 372

IdentifyingandQualifyingYourCompetition 374

CreatingYour_UniqueValue _Proposition 377

Operational Tactics 380

WritingaPress Release 380

CreatingaWeb Page 381

GettingYour Game ReviewedonAppReview WebSites 382

CreatingaFacebook_Page 382

Summary

386

Who This Book Is For xiv

WhatYou Will Learn xiv

Downloadingthe Code xv

ContactingtheAuthor xv

if Index 387