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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)
Buy this Book
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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
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Preface
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What this book covers
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What you need for this book
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Who this book is for
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Conventions
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Reader feedback
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Customer support
Free Chapter
1
1. Introduction to LibGDX and Project Setup
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1. Introduction to LibGDX and Project Setup
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Diving into LibGDX
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Features of LibGDX 1.2.0
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Getting in touch with the community
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Prerequisites to install and configure LibGDX
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Creating a new application
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gdx-setup versus gdx-setup-ui
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Kicking your game to life
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Key to success lies in planning
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Game project – Canyon Bunny
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Summary
2
2. Cross-platform Development – Build Once, Deploy Anywhere
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2. Cross-platform Development – Build Once, Deploy Anywhere
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The demo application – how the projects work together
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LibGDX backends
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LibGDX core modules
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LibGDX's application life cycle and interface
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Starter classes
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The demo application – time for code
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Summary
3
3. Configuring the Game
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3. Configuring the Game
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Setting up the Canyon Bunny project
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Using a class diagram for Canyon Bunny
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Laying foundations
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Putting it all together
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Summary
4
4. Gathering Resources
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4. Gathering Resources
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Setting up a custom Android application icon
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Setting up a custom iOS application icon
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Creating the texture atlases
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Loading and tracking assets
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Organizing the assets
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Testing the assets
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Handling level data
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Summary
5
5. Making a Scene
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5. Making a Scene
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Creating game objects
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Implementing the level loader
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Assembling the game world
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Implementing the game GUI
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Summary
6
6. Adding the Actors
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6. Adding the Actors
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Implementing the actor game objects
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Completing the level loader
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Adding the game logic
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Summary
7
7. Menus and Options
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7. Menus and Options
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Managing multiple screens
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Exploring Scene2D UI, TableLayout, and skins
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Using LibGDX's scene graph for the menu UI
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Building the scene for the menu screen
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Building the Options window
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Summary
8
8. Special Effects
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8. Special Effects
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Creating complex effects with particle systems
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Adding a dust particle effect to the player character
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Moving the clouds
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Smoothing with linear interpolation (Lerp)
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Adding parallax scrolling to the mountains in the background
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Enhancing the game screen's GUI
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Summary
9
9. Screen Transitions
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9. Screen Transitions
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Adding the screen transition capability
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Summary
10
10. Managing the Music and Sound Effects
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10. Managing the Music and Sound Effects
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Playing back the music and sound effects
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Accessing the audio device directly
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Using sound generators
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Adding music and sounds to Canyon Bunny
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Summary
11
11. Advanced Programming Techniques
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11. Advanced Programming Techniques
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Simulating physics with Box2D
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Working with shaders in LibGDX
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Adding alternative input controls
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Summary
12
12. Animations
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12. Animations
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Manipulating actors through actions
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Animating the menu screen
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Using sequences of images for animations
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Animating the game screen
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Summary
13
13. Basic 3D Programming
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13. Basic 3D Programming
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Light sources
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Environment and materials
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Basic 3D using LibGDX
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Loading a model
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3D frustum culling
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Ray picking
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Summary
14
14. Bullet Physics
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14. Bullet Physics
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About Bullet Physics
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A few basic concepts
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Learning Bullet with LibGDX
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Adding some rigid bodies
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Stepping the world
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Having fun with shadows
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Summary
15
Index
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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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