Book Image

Unity 2D Game Development Cookbook

By : Claudio Scolastici
Book Image

Unity 2D Game Development Cookbook

By: Claudio Scolastici

Overview of this book

<p>Unity is a powerful game development engine that provides rich functionalities to create 2D and 3D games.</p> <p>Unity 2D Game Development Cookbook is a practical guide to creating games with Unity. The book aims to serve the purpose of exploring problematic concepts in Unity for 2D game development, offering over 50 recipes that are easy to understand and to implement, thanks to the step-by-step explanations and the custom assets provided. The practical recipes provided in the book show clearly and concisely how to do things right in Unity. By the end of this book, you'll be near "experts" when dealing with Unity. You will also understand how to resolve issues and be able to comfortably offer solutions for 2D game development.</p>

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Unity 2D Game Development Cookbook
Claudio Scolastici
Feb, 2015 | 256 pages
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Table of Contents (15 chapters)
Unity 2D Game Development Cookbook
Unity 2D Game Development Cookbook
Credits
Credits
About the Author
About the Author
About the Reviewers
About the Reviewers
www.PacktPub.com
www.PacktPub.com
Preface
Preface
Free Chapter
1
Importing 3D Models and Animations
Importing 3D Models and Animations
Introduction
Setting up a scene in Maya
Using groups to rotate FBX files
Exporting FBX files from Maya
Configuring imported FBX files in Unity
Exporting animations
Configuring imported animations in Unity Inspector
2
2D Assets for Unity
2D Assets for Unity
Introduction
Importing textures and setting them to Inspector
Configuring transparency
Creating materials
Setting materials' names in Maya
Setting the ambient light in Unity
Texture atlases
Animated materials
3
Animating a Game Character
Animating a Game Character
Introduction
Creating the animation tree
Dealing with transitions
Coding the Boolean-based transitions
Working with float parameters
Coding the float-based transitions
Creating Blend Tree
Animation layers – creating masks
Animation layers – adding a second animation layer
4
Taking Control
Taking Control
Introduction
Creating a bumped material
Importing packages
Setting the Character Controller
Adding Rigidbody
Coding physics controls
Collision management
5
Building Up the Game Level
Building Up the Game Level
Introduction
Creating Prefabs
Coding a scrolling background
Adding platforms
Programming the character controls
Setting up an Animator
Adding collectibles to the game level
Camera setup and controls
6
Game Scenes and the Graphic Interface
Game Scenes and the Graphic Interface
Introduction
The game manager
Loading a new scene at runtime
Setting game exit conditions – character death
Setting game exit conditions – goals met
Using OnGUI() to display game data
Display the number of collected items
Game Won and Game Over
7
Improving Your Gaming Experience
Improving Your Gaming Experience
Introduction
Importing audio clips
The Audio Source component
Coding audio
Particle systems
Instantiating a particle system at runtime
Game options – volume level
Game options – toggling audio
Playing videoclips in the scene
8
Sprites, Spritesheets, and 2D Animation in Unity
Sprites, Spritesheets, and 2D Animation in Unity
Introduction
Setting up sprites
Multiple sprites
Animating with spritesheets
Preparing the character sprites
Parenting sprites
Keyframe sprite animation
Index
Index

Configuring transparency

It is very common to have images that display transparency to add details and improve the look of 3D models. PNG files store the information regarding the alpha channel of an image, so that parts of the image itself can be displayed as transparent. The following recipe shows you how to configure a transparent texture in Unity.

Getting ready

For this recipe, we use another image we have provided, the one named secondTexture. As this image is already saved in PNG format, we jump straight into Unity and import it from there.

How to do it...

  1. From the Project panel in Unity, select the Assets/Textures folder.

  2. Right-click anywhere and select Import New Assets, as shown in the following screenshot:

  3. Select the secondTexture image to upload it into Unity. Actually, Unity is flexible enough that you can even simply copy and paste assets from one folder to another.

  4. From the Inspector window, check that the texture settings are defined as in the following screenshot:

  5. Click on Apply...

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