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  • Book Overview & Buying Learning LibGDX Game Development- Second Edition
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Learning LibGDX Game Development- Second Edition

Learning LibGDX Game Development- Second Edition

By : Suryakumar B Nair, Andreas Oehlke
3.5 (11)
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Learning LibGDX Game Development- Second Edition

Learning LibGDX Game Development- Second Edition

3.5 (11)
By: Suryakumar B Nair, Andreas Oehlke
Buy this Book

Overview of this book

This book is aimed at indie and existing game developers as well as those who want to get started with game development using LibGDX. Basic knowledge of Java programming and game development is required.
Table of Contents (16 chapters)
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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
1. Introduction to LibGDX and Project Setup
1. 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
Summary
2
2. Cross-platform Development – Build Once, Deploy Anywhere
2. 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
Summary
3
3. Configuring the Game
3. Configuring the Game
Setting up the Canyon Bunny project
Using a class diagram for Canyon Bunny
Laying foundations
Putting it all together
Summary
4
4. Gathering Resources
4. 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
Summary
5
5. Making a Scene
5. Making a Scene
Creating game objects
Implementing the level loader
Assembling the game world
Implementing the game GUI
Summary
6
6. Adding the Actors
6. Adding the Actors
Implementing the actor game objects
Completing the level loader
Adding the game logic
Summary
7
7. Menus and Options
7. 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
Summary
8
8. Special Effects
8. 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
Summary
9
9. Screen Transitions
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9. Screen Transitions
Adding the screen transition capability
Summary
10
10. Managing the Music and Sound Effects
10. 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
Summary
11
11. Advanced Programming Techniques
11. Advanced Programming Techniques
Simulating physics with Box2D
Working with shaders in LibGDX
Adding alternative input controls
Summary
12
12. Animations
12. Animations
Manipulating actors through actions
Animating the menu screen
Using sequences of images for animations
Animating the game screen
Summary
13
13. Basic 3D Programming
13. Basic 3D Programming
Light sources
Environment and materials
Basic 3D using LibGDX
Loading a model
3D frustum culling
Ray picking
Summary
14
14. Bullet Physics
14. Bullet Physics
About Bullet Physics
A few basic concepts
Learning Bullet with LibGDX
Adding some rigid bodies
Stepping the world
Having fun with shadows
Summary
15
Index
Index

Adding the screen transition capability

We need to use an interface that all our screen transitions will implement. This will allow us to easily add new transition effects later on a modular basis.

Create a new file for the ScreenTransition interface and add the following code:

package com.packtpub.libgdx.canyonbunny.screens.transitions;

import com.badlogic.gdx.graphics.Texture;
import com.badlogic.gdx.graphics.g2d.SpriteBatch;

public interface ScreenTransition {
  public float getDuration ();
  public void render (SpriteBatch batch, Texture currScreen,Texture nextScreen, float alpha);
}

The preceding interface allows us to query the duration of a transition effect and enables us to let it render its effect using two supplied textures that contain the images of the current and the next screens. In addition to this, the alpha value is used to describe the current state of progress of the transition effect that is to be rendered. Using an alpha value of 0.0, for example, will render the effect...

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