Cocos2d Cross-Platform Game Development Cookbook - Second Edition

Cocos2d Cross-Platform Game Development Cookbook - Second Edition - Second Edition

Overview of this book

Cocos2d is the world’s leading game development framework for developing iOS games. With the introduction of Swift and Spritebuilder, it has become easier than ever to develop the games of your dreams without much effort. With Cocos2d, you can also deploy the game on Android, thereby maximizing profit and reducing development and porting costs. The book starts off with a detailed look at how to implement sprites and animations into your game to make it livelier. You will then learn to add scenes to the game such as the gameplay scene and options scene and create menus and buttons in these scenes, as well as creating transitions between them. From there on, you will get an understanding of how to program user interactions such as tapping, holding, and swiping. You’ll then add accelerometer inputs and physics to the scene, and make objects respond back to the inputs. A game is practically incomplete without audio being added, so this will be covered next. The next section will include ways to add Artificial Intelligence to enemies in the game, allowing them to patrol, chase, and shoot in a projectile manner. You will then learn to use NSUserDefault to save and load game progress, and create and access files using JSON, Plist, and XML files for custom storage and retrieval of data. Then you will learn to add dynamic lighting to your game and will use industry-wide tools such as Texture Packer, Glyph Designer, Physics Editor, Particle Designer, and Sprite Illuminator to create more visually appealing and performance-optimized games. Towards the end of the book, we dive into Apple’s latest programming language—Swift, highlighting the major differences between Objective C and Swift. The book culminates with taking your existing game developed for iOS and porting it to Android, showing you how to install the Android Xcode plugin as well.

Cocos2d Cross-Platform Game Development Cookbook Second Edition

Credits

About the Author

Acknowledgments

About the Reviewers

www.PacktPub.com

Preface

Free Chapter

Sprites and Animations

Introduction

Downloading and installing Cocos2d

The 2D coordinate system

Getting access to MainScene

Adding sprites to scenes

Creating a sprite using RenderTexture

Creating a custom sprite class

Animating sprites

Adding actions to sprites

Drawing glPrimitives

Adding the parallax effect

Scenes and Menus

Introduction

Adding a MainMenu Scene

Adding text using CCLabel

Adding buttons with CCMenu

Adding a Gameplay Scene

Transitioning between scenes

Adding transition effects

Adding a Level Selection Scene

Scrolling a Level Selection Scene

Gestures, Touches, and the Accelerometer

Adding pinch/zoom controls

Adding rotation objects

Adding panning

Including touches

Creating objects with touchBegan

Moving objects with touchMoved

Customizing touches in the sprite class

Adding an accelerometer

Adding a directional pad

Physics

Introduction

Adding physics to a game scene

Adding physics objects

Looking at different body types

Adding sprite texture to physics objects

Creating composite bodies

Creating complex shapes

Changing body properties

Applying impulse with the touch control

Applying force with the accelerometer

Collision detection

Adding revolute joints

Adding motor joints

Adding a game loop and scoring

Audio

Introduction

Adding background music

Adding audio effects

Adding a mute button

Adding a volume slider

Adding a pause and resume button

AI and A* Pathfinding

Introduction

Patrol enemy behavior

Projectile shooting enemy

Chasing enemy behavior

A* pathfinding

Data Storage and Retrieval

Introduction

Loading the XML file data

Saving to the XML file data

Loading the JSON file data

Loading the PLIST file data

Saving the PLIST file data

Using NSUserDefaults

Effects

Introduction

CCEffects

Adding the glass effect

Adding the motion streak effect

Adding the particle effect

Game Tools

Swift/SpriteBuilder Basics

Introduction

Implementing the Swift syntax

Implementing Cocos2d Swift

SpriteBuilder basics

Porting to Android

Introduction

Installing the Android Xcode plugin

Enabling USB debugging on a device

Running the SpriteBuilder project on a device

Porting a project to Android

No Java runtime error

Provision profile error

Blank screen error

Useful resources

Index

Customer Reviews

5 star

4 star

3 star

2 star

1 star

Particle system

A particle system is a collection of sprites or particles. Each particle system has an emitter from which the particles are created. A particle system also determines the behavior of the particles in the system. Hence, it can be said that a particle is the smallest entity that creates the particle system.

A very simple example of a particle system is rain. Rain is a particle system—each raindrop is a particle, and a cloud has a lot of emitters from which the droplets or particles are created.

We will create a particle system instead of just creating individual particles because with a particle system, you can create different kinds of effects using the same particle. For example, we saw Rain, which is a particle system; but what if we wanted another effect, such as water coming out of the faucet? Here, the particle is the same—a water droplet—but a rain droplet behaves differently. Here water falls from the faucet, and each drop falls with a force and is created with a single...

Cocos2d Cross-Platform Game Development Cookbook - Second Edition - Second Edition

Cocos2d Cross-Platform Game Development Cookbook - Second Edition - Second Edition

Overview of this book

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Particle system