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Cocos2d for iPhone 1 Game Development Cookbook

By : Nathan Burba

4.7 (41)

Cocos2d for iPhone 1 Game Development Cookbook

4.7 (41)

By: Nathan Burba

Overview of this book

Cocos2d for iPhone is a robust but simple-to-use 2D game framework for iPhone. It is easy to use, fast, flexible, free, and Appstore approved. More than 2500 AppStore games already use it, including many best-seller games. Do you want to take your cocos2d game development skills to the next level and become more professional in cocos2d game design? Cocos2d for iPhone 1 Game Development Cookbook will help you reach that next level. You will find over 100 recipes here that explain everything from the drawing of a single sprite to AI pathfinding and advanced networking. Full working examples are emphasized. Starting with the first chapter, Graphics, you will be taken through every major topic of game development. You will find both simple and complex recipes in the book. Each recipe is either a solution to a common problem (playing video files, accelerometer steering) or a cool advanced technique (3D rendering, textured polygons). This cookbook will have you creating professional quality iOS games quickly with its breadth of working example code.

Cocos2d for iPhone 1 Game Development Cookbook

Cocos2d for iPhone 1 Game Development Cookbook

Credits

Credits

About the Author

About the Author

About the Reviewers

About the Reviewers

www.PacktPub.com

www.PacktPub.com

Preface

Preface

Free Chapter

Graphics

Graphics

Introduction

Drawing sprites

Coloring sprites

Animating sprites

Drawing OpenGL primitives

Playing video files

Grid, particle, and motion streak effects

Using Retina Display mode

1D and 2D Ease Actions

Rendering and texturing 3D shapes

Rendering a texture-filled polygon

Animating a texture-filled polygon

Swapping palettes using layers

Swapping palettes using CCTexture2DMutable

Using AWTextureFilter for blur and font shadows

Taking and using screenshots

Using CCParallaxNode

Lighting using glColorMask

User Input

User Input

Introduction

Tap, hold, and drag input

Depth testing input

Creating buttons

Creating a directional pad

Creating an analog stick

Using the accelerometer for steering

Using the accelerometer for 3D rotation

Pinch zooming

Performing gestures

Files and Data

Files and Data

Introduction

Reading PLIST data files

Reading JSON data files

Reading XML data files

Saving simple data using NSUserDefaults

Archiving objects into archive files

Mutating nested metadata

Saving data into a PLIST file

Saving data into an SQLite database

Saving data using Core Data

Physics

Physics

Introduction

Box2D setup and debug drawing

Creating collision response routines

Using different shapes

Dragging and collision filtering

Manipulating physical properties

Applying impulses

Applying forces

Asynchronous body destruction

Using joints

Creating a vehicle

Character movement

Simulating bullets

Simulating and rendering a rope

Creating a top-down isometric game engine

Scenes and Menus

Scenes and Menus

Introduction

Switching scenes

Transitioning between scenes

Using CCLayerMultiplex

Using CCLabel

Using CCMenu

Creating shadowed menu labels

UIKit alert dialogs

Wrapping UIKit

Creating draggable menu windows

Creating a horizontal scrollable menu

Creating a vertical sliding menu grid

Creating a loading screen with an indicator

Creating a minimap

Audio

Audio

Introduction

Playing sounds and music

Modifying audio properties

Fading sounds and music

Using audio in a game

Using positional audio in a game

Metering background music

Metering dialogue for animation

Streaming audio

Recording audio

Using the iPod music library

Creating a MIDI synthesizer

Speech recognition and text-to-speech

AI and Logic

AI and Logic

Introduction

Processing AI waypoints

Firing projectiles at moving targets

AI line of sight

AI flocking using Boids

A* pathfinding on a grid

A* pathfinding in a Box2D world

A* pathfinding on a TMX tilemap

A* pathfinding in a side-scroller

Running a Lua script

Dynamically loading Lua scripts

Using Lua for dialogue trees

Tips, Tools, and Ports

Tips, Tools, and Ports

Introduction

Accessing the Cocos2d-iPhone testbed

Packing textures using Zwoptex

Creating levels using Tiled

Creating levels using JSONWorldBuilder

Creating scenes with CocosBuilder

Using Cocos2d-X

Using Cocos3d

Releasing your app

Index

Index

Saving data using Core Data

Our third game is a memory card game where you must flip over sets of cards. Flip over two matching cards and you get a point. Flip over two that don't match and you get a strike. Three strikes and you're out. For this game we persist hi-score data using Apple's Core Data model pattern.

Getting ready

Please refer to the project RecipeCollection01 for full working code of this recipe. For the sake of brevity all game logic has been omitted from the following code.

How to do it...

Setting up our Core Data based recipe requires a number of steps.

First we need to add the CoreData framework. You can do this by right clicking on your project and going to Add > Existing Frameworks and then, under iOS 4.x SDK, select CoreData.framework.

Create a new folder inside your resources entitled Data Model. Inside this folder, create a class entitled Hiscore, which derives from ManagedObject:
```
//Hiscore.h
#import <CoreData/CoreData.h>

@interface Hiscore :  NSManagedObject ...
```

CONTINUE READING

83

Tech Concepts

36

Programming languages

73

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