Learning LibGDX Game Development- Second Edition

Book Image

Learning LibGDX Game Development- Second Edition

Book Image

Learning LibGDX Game Development- Second Edition

Overview of this book

Learning LibGDX Game Development Second Edition

Learning LibGDX Game Development Second Edition

Credits

About the Authors

About the Authors

About the Reviewers

About the Reviewers

www.PacktPub.com

www.PacktPub.com

Preface

Free Chapter

Introduction to LibGDX and Project Setup

Introduction to LibGDX and Project Setup

Diving into LibGDX

Features of LibGDX 1.2.0

Getting in touch with the community

Prerequisites to install and configure LibGDX

Creating a new application

gdx-setup versus gdx-setup-ui

Kicking your game to life

Key to success lies in planning

Game project – Canyon Bunny

Cross-platform Development – Build Once, Deploy Anywhere

Cross-platform Development – Build Once, Deploy Anywhere

The demo application – how the projects work together

LibGDX backends

LibGDX core modules

LibGDX's application life cycle and interface

Starter classes

The demo application – time for code

Configuring the Game

Configuring the Game

Setting up the Canyon Bunny project

Using a class diagram for Canyon Bunny

Laying foundations

Putting it all together

Gathering Resources

Gathering Resources

Setting up a custom Android application icon

Setting up a custom iOS application icon

Creating the texture atlases

Loading and tracking assets

Organizing the assets

Testing the assets

Handling level data

Making a Scene

Creating game objects

Implementing the level loader

Assembling the game world

Implementing the game GUI

Adding the Actors

Adding the Actors

Implementing the actor game objects

Completing the level loader

Adding the game logic

Menus and Options

Menus and Options

Managing multiple screens

Exploring Scene2D UI, TableLayout, and skins

Using LibGDX's scene graph for the menu UI

Building the scene for the menu screen

Building the Options window

Special Effects

Special Effects

Creating complex effects with particle systems

Adding a dust particle effect to the player character

Moving the clouds

Smoothing with linear interpolation (Lerp)

Adding parallax scrolling to the mountains in the background

Enhancing the game screen's GUI

Screen Transitions

Screen Transitions

Adding the screen transition capability

Managing the Music and Sound Effects

Managing the Music and Sound Effects

Playing back the music and sound effects

Accessing the audio device directly

Using sound generators

Adding music and sounds to Canyon Bunny

Advanced Programming Techniques

Advanced Programming Techniques

Simulating physics with Box2D

Working with shaders in LibGDX

Adding alternative input controls

Animations

Manipulating actors through actions

Animating the menu screen

Using sequences of images for animations

Animating the game screen

Basic 3D Programming

Basic 3D Programming

Environment and materials

Basic 3D using LibGDX

Loading a model

3D frustum culling

Bullet Physics

About Bullet Physics

A few basic concepts

Learning Bullet with LibGDX

Adding some rigid bodies

Stepping the world

Having fun with shadows

Index

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Chapter 3. Configuring the Game

In this chapter, we will build the game Canyon Bunny, which was discussed earlier in Chapter 1, Introduction to LibGDX and Project Setup.

In this chapter, we will:

Create the Canyon Bunny project using the gdx-setup-ui tool
Learn about the game's architecture
Test your basic code

A Unified Modeling Language (UML) class diagram will give you the necessary overview of all the new classes that need to be implemented. UML will be explained later in this chapter. When looking from a software engineer's perspective, the architecture and the implementation code shown in this book does not always follow the best design decisions on purpose to keep the examples discussed simple and easy to understand wherever possible. Keep in mind that the primary objective of this book is to teach you how to work with and manage the vast complexity of creating games using LibGDX. The following parts are going to be very code-oriented, so be sure to make use of the class diagram as a...