Learning Cocos2d-JS Game Development

Emanuele Feronato

• Publisher: Packt Publishing
• Year: 2015
• eBook ISBN: 9781784390075
• Topic: Computer Science
• Subtopic: Open Source Programming
• Index: Computer Science

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Learning Cocos2d-JS Game Development

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Table of Contents

Learning Cocos2d-JS Game Development

Credits

Foreword

Foreword

About the Author

About the Reviewers

www.PacktPub.com

Support files, eBooks, discount offers, and more

Why subscribe?

Free access for Packt account holders

Preface

What this book covers

What you need for this book

Who this book is for

Conventions

Reader feedback

Customer support

Downloading the example code

Downloading the color images of this book

Errata

Piracy

Questions

1. Hello World – A Cross-platform Game

Why should I make cross-platform games?

What Cocos2d-JS is and how it works

Requirements to run Cocos2d-JS

The structure of your Cocos2d-JS project

Hello Cross-World

Preloading and adding images

Removing images and changing the background color

Summary

2. Adding Interactivity – The Making of a Concentration Game

Creating multiple instances of game assets

Adding a gradient background

Extending the Sprite class beyond its capabilities

Making assets react to clicks and touches

Picking a tile as an initial attempt

Changing sprite images on the fly

Showing the tile picture

Shuffling the tiles and adding the score

Summary

3. Moving Sprites Around the Screen – An Endless Runner

Loading and placing graphic resources

Adding an endless scrolling background

Adding the spaceship

Controlling the spaceship

Adding asteroids

Asteroid versus spaceship collision

Invulnerability

Preventing the spaceship from flying off the screen

Adding particles

Summary

4. Learn about Swipes through the making of Sokoban

Loading graphic assets

Building a level

Detecting swipes

Completing the game

Summary

5. Become a Musical Maestro

Choosing sounds

Preloading sounds

Creating a sound menu

Managing music and sound effects

Summary

6. Controlling the Game with Virtual Pads

Overview of virtual pads

First things first – the game

Controlling the cart with ghost buttons

Controlling the cart with a virtual pad

Controlling the cart just with your finger

Summary

7. Adding Physics to Your Games Using the Box2D Engine

Before you start

Adding the Box2D engine to your project

Configuring the physics world

Adding bodies to the world

Updating sprite position as the world changes

Selecting and destroying world bodies

Checking for collisions among bodies

Summary

8. Adding Physics to Your Games Using the Chipmunk2D Engine

Adding the Chipmunk2D engine to your project

A physics game, without physics

Configuring the physics space

Adding bodies to the space

Updating Chipmunk2D space and using debug draw

Selecting and destroying space bodies

Checking for collisions among bodies

Using your own graphic assets

Summary

9. Creating Your Own Blockbuster Game – A Complete Match 3 Game

Setting up the game

Creating the board

Selecting and deselecting the first globe

Making globez chains

Backtracking

Removing globez

Making the globez fall down

Creating new globez

Bonus – using the drawing API for a visual feedback

Where to go now

Protect your code

Port your game on mobile devices as a native app

Publishing your game

Licensing your game

Staying up-to-date

Summary

Index

Learning Cocos2d-JS Game Development

Copyright © 2015 Packt Publishing

All rights reserved. No part of this book may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, without the prior written permission of the publisher, except in the case of brief quotations embedded in critical articles or reviews.

Every effort has been made in the preparation of this book to ensure the accuracy of the information presented. However, the information contained in this book is sold without warranty, either express or implied. Neither the author, nor Packt Publishing, and its dealers and distributors will be held liable for any damages caused or alleged to be caused directly or indirectly by this book.

Packt Publishing has endeavored to provide trademark information about all of the companies and products mentioned in this book by the appropriate use of capitals. However, Packt Publishing cannot guarantee the accuracy of this information.

First published: January 2015

Production reference: 1070115

Published by Packt Publishing Ltd.

Livery Place

35 Livery Street

Birmingham B3 2PB, UK.

ISBN 978-1-78439-007-5

www.packtpub.com

Credits

Author

Emanuele Feronato

Reviewers

Pradyumna Doddala

Pavel Goodanets

Marc Estruch Tena

Jialong Zhai

Commissioning Editor

Ashwin Nair

Acquisition Editor

James Jones

Content Development Editor

Samantha Gonsalves

Technical Editor

Parag Topre

Copy Editor

Relin Hedly

Project Coordinator

Sanchita Mandal

Proofreaders

Simran Bhogal

Stephen Copestake

Maria Gould

Ameesha Green

Paul Hindle

Indexer

Rekha Nair

Production Coordinator

Alwin Roy

Cover Work

Alwin Roy

Foreword

Known by developers all over the world, Cocos2d-x has always endeavored to help developers build and port their games on iOS, Android, and many more native platforms. However, not many developers are aware that the Cocos2d-x team also provides an efficient game engine called Cocos2d-JS to assist users developing cross-native and web platform games with only one code base.

The year 2014 has certainly been a big year for Cocos2d-JS. It became more widely adopted by big companies all over the world; we've released a major version—3.0—and combined Cocos2d-html5 and Cocos2d-x JSB (JavaScript Binding) into Cocos2d-JS. It supplies your game with cross-browser and cross-platform capabilities accompanied by complete Cocos2d-x features, complete tool chain support, and simple friendly APIs. Furthermore, we reinvented the workflow for all platforms, providing a consistent development experience for whichever platform you want to distribute it to. As a result, the Code once, run everywhere principle is easily achieved and feels natural in Cocos2d-JS. With one single JavaScript code base, you can run your game on all web browsers and native platforms, including Mac OS, Windows, iOS, and Android. This will allow your game to deliver in almost all channels of distribution for better opportunities.

Today, I'm more than grateful to witness the creation of this extraordinary book. I believe this book will help us by building a bridge to our developers around the world so they can step over the language barrier. I'd love to express my special thanks...

Table of contents

• Learning Cocos2d-JS Game Development