Book Image

Learning Unity 2D Game Development by Example

By : Venita Pereira
Book Image

Learning Unity 2D Game Development by Example

By: Venita Pereira

Overview of this book

<p>If you are looking for a guide to create 2D games using Unity, look no further. With this book, you will learn all the essentials of 2D game development by creating five real-world games in a step-by-step manner throughout the course of this book.</p> <p>Starting with a blank scene, you will learn all about the new Unity 2D toolset, which will enable you to bring your scene to life. You will create characters, make them move, create some enemies, and then write code to destroy them. After figuring out all the necessities of creating a game, this book will then assist you in making several different games: games with collision, parallax scrolling, Box2D, and more.</p> <p>By the end of this book, you will not only have created several small games, but you will also have the opportunity to put all your new-found knowledge into creating and deploying a larger, full game.</p>

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Learning Unity 2D Game Development by Example
Venita Pereira
Aug, 2014 | 266 pages
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Table of Contents (17 chapters)
Learning Unity 2D Game Development by Example
Learning Unity 2D Game Development by Example
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
Getting to Know Unity
Getting to Know Unity
Overview
Game development's background
Introducing Unity
Setting up Unity
Creating a new 2D project
Unity Editor interface
Project Browser
Extra Views
Summary
2
Setting the Scene
Setting the Scene
Overview
What is a background?
Two methods to set a background
Setting a background using a tileset
The resulting environment
Summary
3
Add Some Character
Add Some Character
Overview
What is a sprite?
Creating a sprite
Importing a sprite
Slicing sprite sheets
Automatic slicing
Texture atlasing
Adding our character
Sprite Renderer
Animating a sprite
Animation Editor
Dopesheet 2D animation
Animator
Summary
4
Code Control
Code Control
Overview
Why do we need code?
Code fundamentals
Hello world
Controlling the character
Destroying the enemy
Coroutines
Namespaces
Unity Scripting Reference
Summary
5
What's Your Input?
What's Your Input?
Overview
Input versus output
Input types
Output types
Unity Input Manager
Detecting input
Buttons
Game controls
Summary
6
Game #1 – Roguelike
Game #1 – Roguelike
Overview
What is Roguelike?
Adding a background
Animating the hero
Movement controls
Randomly spawning enemies
Animating the enemy
Enemy movement
Shooting projectiles
Detecting collisions
Permadeath
End game result
Summary
7
Game #2 – Classic Arcade
Game #2 – Classic Arcade
Overview
Sponge antics
Game conditions
Adding an HUD
Font style
Resource management
The completed game
Summary
8
Game #3 – Endless Runner
Game #3 – Endless Runner
Overview
Infinite
An agile ninja
The ninja character
Randomly repeating obstacles
Survival
Parallax scrolling
Add pizzazz with particle effects
Displaying the timer
The result
How to expand the game?
Summary
9
Game #4 – Physics Fun
Game #4 – Physics Fun
Overview
The basics of physics
Physics 2D
What is Box2D?
Steps to create bodies
Let's simulate the world
The final result
How do we extend it?
Summary
10
You Are Ready!
You Are Ready!
Overview
Audio
Saving and loading
Creating a trigger
Cameras
Multiplayer
Putting it all together
Adding audio
The camera
Saving and loading
Space Buddy the alien
The second scene
Deployment
Your journey ahead
A plethora of resources
Social media
Summary
Index
Index

Setting a background using a tileset

Tilesets are sets of tiled images that are used to create the scene, as shown in the following image:

Some games, especially platform games, puzzle games, and sandbox games use tilesets to create their backgrounds.

Using a tileset makes it easier to create and edit those types of games because the tiles get reused to make the scene in different variations.

Tilesets require the following:

  • Seamless textures

  • Corner pieces

  • Grid

  • Prefab (not required, but it helps make the creation process much more efficient)

Seamless textures

The images that will be used as tiles within a tileset need to be seamless and of equal or matching size. This is so when you duplicate them and then arrange them next to each other or above one another, they will then blend nicely together to create the bigger picture.

Corner pieces

Depending on the type of game we would like to create, we will more than likely require corner pieces when creating a tileset to round off the edges of a section...

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