LibGDX Game Development Essentials by Bose, Juwal -- Read -- Imperial Library of Trantor

Index

LibGDX Game Development Essentials

Table of Contents LibGDX Game Development Essentials Credits About the Author Acknowledgments About the Reviewers www.PacktPub.com

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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. Wiring Up

Getting started

Setting up the Java development environment Installing Eclipse

Setting up the Android development environment

Installing the ADT plugin and linking the Android SDK with Eclipse Installing the LibGDX support plugins Setting up GWT Installing the RoboVM plugin Installing the Gradle plugin

The LibGDX Gradle combo

Using the Gradle setup application

A Hello World project Importing Gradle projects to Eclipse Running the project

Exploring the project

Displaying the Hello World text Running demos

Running tests

The alternate LibGDX setup

Summary

2. Let There Be Graphics!

The ThrustCopter game

A LibGDX app's life cycle

Creating the Thrust Copter project Planning art assets The game scene Populating the game scene

Displaying the graphics

The final game scene

Adding the plane animation Moving the plane

The code so far Texture packing

The revised code

Handling multiple screen sizes and aspect ratios

Summary

3. Thou Shall Not Pass!

Piloting our plane

Navigating using touch input

Dealing with other input methods Polling keyboard keys Accessing accelerometer data Event handling for inputs Using the InputAdapter class

Capturing gestures Game controllers controller

Adding the different game states

Adding the pillar rocks

Collision with the pillars

Adding meteor rocks

Collision with the meteor rock

Making the game easier Playing with audio

Adding sound effects

Summary

4. Bring in the Extras!

Refactoring time

Creating a ThrustCopterScene class

Creating our Game class instance

More refactoring Using AssetManager

Time for pickups

Using a pickup class

Adding pickup logic

Heads Up Display (HUD) UI

Displaying text

Hiero – the BitmapFont creator tool

Special effects with particles

Pooling particle effects

Summary

5. Scene 2 – the Menu

Introducing Scene2D

The stage for actors

Actors and their actions

Widgets Adding a loading scene

Investigating the LoadingScreen class

Adding the menu scene

Creating scalable skins using the 9-patch tool

Handling the Android back button Summary

6. Physics with Box2D

The incredible world of Box2D LibGDX with Box2D

Creating a Box2D world

Drawing the Box2D world Simulating the Box2D world

Fixing the time step Box2D rigid bodies

Interactions in the Box2D world

Linking the Box2D and game worlds Detecting collisions

Box2D version of Thrust Copter

Creating and placing objects Creating obstacles Drawing the scene

Handling collisions

Ignoring collisions with shield Collision for pickups

Summary

7. The Amazing World of 3D

Introducing the third dimension

Creating 3D content

The PerspectiveCamera class

Converting 3D files to G3DB Playing with primitives

Rendering the ModelInstance classes

Loading 3D models

Playing animations

Interacting with 3D objects

3D frustum culling in LibGDX

3D particles with Flame

Using bullet physics

Creating the bullet world

Adding rigid bodies Collision detection Adding shadows

Summary

8. Saving Our Data

Persisting game preferences

Saving and loading sound preferences

Implementing a local leaderboard

Filesystems and access permissions

Reading and writing files The leaderboard Saving and displaying scores

Tile-based level design

Using Tiled

Loading TMX levels

Summary

9. Finishing Our Android Game

Using Google's offerings

Interfacing platform-specific code Implementing Google Analytics tracking Adding tracker configuration files Adding Google Mobile Ads

Leaderboards and achievements using Google Play services

Linking BaseGameUtils

Wiring with code

Famous third-party alternatives

Flurry for analytics Ads from InMobi Swarm – the all-in-one package

Creating icons Summary

10. Time to Publish

Publishing the Android version

Preparing the store listing

Preparing to release the APK

Publishing the desktop version Publishing the Web version Publishing the iOS version

First steps at the developer portal Preparing the iOS project Testing the build on a device Creating the IPA

Some useful resources and links

Overlap2D

Working with Overlap2D

Summary

Index

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