5. Let's Get Physical! | Cocos2d-X Game Development Blueprints

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Cocos2d-X Game Development Blueprints

By : Sequeira

4.2 (5)

Cocos2d-X Game Development Blueprints

4.2 (5)

By: Sequeira

Overview of this book

If you are a proficient Cocos2d game developer who wants to enhance his or her game development skill set using Cocos2d-x to build different types of games, this book is for you.

Preface

Preface

What this book covers

What you need for this book

Who this book is for

Conventions

Reader feedback

Customer support

Free Chapter

1. A Colorful Start

1. A Colorful Start

An overview of ColourSmash

Setting up the environment for Cocos2d-html5

Creating a project in Cocos2d-html5

Getting acquainted with the project structure

Creating the first scene – the main menu

Moving on to the game world

Summary

2. How to Fly a Dragon!

2. How to Fly a Dragon!

Getting to know sprite sheets

Creating a lively menu screen

Creating a fairy tale

Setting things into motion

On to the game world

Saving a high score using LocalStorage

Let's make some HTML5 noise

Summary

3. Not Just a Space Game

3. Not Just a Space Game

An overview of SpaceCraze

Creating a project

Defining the global variables of the game

Creating your own Sprite

On to the game world...

Summary

4. Back to the Drawing Board

4. Back to the Drawing Board

An introduction to Inverse Universe

The CCDrawNode class

Figuring out the geometry

Defining the elements of Inverse Universe

Creating the game

The update loop

Adding tilt controls

Moving the player

Adding progression and difficulty levels

Summary

5. Let's Get Physical!

5. Let's Get Physical!

An overview of Jumpy Clown

The basics of Box2D

Creating the world

Using debug draw

Stepping into the world

Creating the GameObject class

Creating the walls

Creating the base

Creating the clown

Defining the clown's state machine

Creating the platform

Adding and removing platforms

Adding the controls

Listening for collisions

The Collectible class

Creating and reusing collectibles

The update loop

Summary

6. Creativity with Textures

6. Creativity with Textures

An introduction to Penguins Can Fly

The Terrain class

The Penguin class

On to the game world

Summary

7. Old is Gold!

7. Old is Gold!

An introduction to Iceman

What is a tile-based game?

What is the Tiled Map Editor?

Tile-based collision detection

The GameObject class

The Hero class

The Enemy class

Collisions with moving platforms and enemies

Summary

8. Box2D Meets RUBE

8. Box2D Meets RUBE

An introduction to Angry Fish

A brief introduction to RUBE

Creating a level with RUBE

Generating a world using data exported from RUBE

Defining the fish

Creating and spawning the fish

Creating a mouse joint

Summary

9. The Two Towers

9. The Two Towers

Introduction to Pumpkin Defense

Defining the properties of the tower

Defining the properties of the enemy

Defining the XML file for a level

Designing the level in Tiled

The Tower class

The Lightning class

The Enemy class

Spawning waves of enemies

The GestureLayer class

Spawning the towers

Fast forwarding the gameplay

Summary

10. Cross-platform Building

10. Cross-platform Building

Setting up the environment for Android

Building Pumpkin Defense on Android

Creating an Android Virtual Device

Running Pumpkin Defense on Android

Setting up the environment for Windows Phone 8

Building Pumpkin Defense on Windows Phone 8

What to do next?

Summary

Index

Index

The basics of Box2D

The Box2D manual, found at http://www.box2d.org/manual.html, summarizes Box2D as a 2D rigid-body simulation library for games. Now what exactly do they mean by rigid body? A quick search on Google and you will know that a rigid body is one that does not deform regardless of the external forces exerted on it. Thus, Box2D is built to simulate hard objects such as rocks, walls, and bowling balls rather than soft bodies such as cotton, toothpaste, and mom's pudding!

In this section, you will get a brief overview of the various components of Box2D that we will interact with in the due course of time. However, I must insist you to read the manual provided at the preceding URL for a deeper understanding of what happens under the hood of this amazing physics engine.

The first object of the engine you will create is of type b2World. This is the object that manages the entire physics simulation. It provides factory methods to create bodies and joints, and even manages their memory...

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Programming languages

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