OUYA Game Development by Example

OUYA Game Development by Example

By : John Donovan

Buy this Book

OUYA Game Development by Example

By: John Donovan

Buy this Book

Overview of this book

The OUYA console and development kit gives you the power to publish video games for the players, creating a console marketplace of the gamers, for the gamers, and by the gamers. Using the OUYA developer kit and the Unity3D game engine, even beginners with a captivating game idea can bring it to life with a hint of imagination. OUYA Game Development by Example uses a series of feature-based, step-by-step tutorials that teach beginners how to integrate essential elements into a game engine and then combine them to form a polished gaming experience.

OUYA Game Development by Example Beginner's Guide

Credits

About the Author

Acknowledgments

About the Reviewers

www.PacktPub.com

Preface

Free Chapter

Experiencing the OUYA

Setting up the console

Networking

Displaying games

Time for action – installing your first game

Playing the OUYA

Touch controls

Summary

Installing Unity and the OUYA ODK

Installing the game engine

Time for action – setting up Unity

Downloading and configuring additional packages

Time for action – downloading Java, the Android SDK, and the ODK

Modifying the PATH variable

Time for action – editing PATH on Mac OS

Time for action – editing PATH on Windows

Time for action – installing Android packages

Configuring the USB connection

Time for action – configuring the USB driver on Windows

Time for action – exporting OUYA packages from Unity

Time for action – importing packages into a new workspace

Summary

Diving into Development

Creating a 3D text prototype

Time for action – manipulating the scene

Time for action – creating and scripting 3D text

Creating a custom function

Time for action – writing a function

Time for action – capturing data with return values

Time for action – controlling functions with parameters

Making our scripts interactive

Time for action – adding keyboard interaction to scripts

Deploying our code on OUYA

Time for action – running your first test on OUYA

Summary

Moving Your Player with Controller Input

Creating an interactive marble prototype

Time for action – setting the scene

Time for action – importing a Unity input script

Time for action – turning input into movement

Time for action – movement with the OUYA SDK

Adding additional functionality to our marble

Time for action – adding button features

Time for action – improving the camera

Completing our game

Time for action – adding a goal zone

Summary

Enhancing Your Game with Touch Dynamics

Using the touchpad to interact with buttons

Time for action – creating a cannon prefab

Time for action – creating an interactive button

Time for action – adding an impulse force to a rigidbody component

Using cursor data to add touch input to games

Time for action – reading mouse position in Unity

Time for action – creating a vector from cursor movement

Incorporating touch data into your mechanics

Time for action – hiding the cursor on the screen

Time for action – creating a target for the cannon

Summary

Saving Data to Create Longer Games

Creating collectibles to save

Time for action – creating a basic collectible

Time for action – scripting the collectible

Time for action – accessing the scripts on other objects

Saving data with the Unity engine

Time for action – saving data with PlayerPrefs

Time for action – setting up a GUI Text object

Time for action – counting cannonballs

Time for action – checking high scores in a new scene

Time for action – displaying high score values

Saving data with the OUYA API

Summary

Expanding Your Gameplay with In-app Purchases

The different kinds of in-app purchases

Setting up a product on the OUYA developer portal

Time for action – preparing your game for in-app purchasing

Coding in-app purchasing in your game

Time for action – creating a purchase screen

Time for action – creating your first purchase function

Time for action – saving and loading successful purchases

Time for action – reflecting unlocked functionality in games

Adding polish with Unity Asset Store packages

Time for action – adding explosions to your cannonballs

Pricing your in-app purchases

Picking a monetization model

Summary

Polishing and Prepping Your Game for Deployment

Meeting the OUYA content guidelines

Time for action – containing game elements within the safe zone

Time for action – creating icons for your game

Polishing Unity projects in depth

Time for action – creating a title screen

Time for action – creating a loss screen

Time for action – creating a tutorial scene

Time for action – linking your tutorial to your game

Creating a following camera in Unity

Time for action – creating a following third-person camera

Time for action – adding audio to your game

Packaging your project for submission

Time for action – creating your game on the developer portal

Summary

Blazing Your Own Development Trail

Expanding your skills with advanced challenges

Time for action – creating a custom font with a text shader

Time for action – creating a fire effect with a particle shader

Time for action – saving the player's position

Time for action – creating a reusable GUI Skin

Time for action – making an automatically scaling GUI texture

Time for action – adding realism to your scene with lightmapping

Time for action – applying an ice Physics Material

Popular game development methodologies

Basic design patterns for larger code projects

Getting started with version control

Time for action – creating a BitBucket repository

Time for action – preparing Unity for version control

Time for action – making your first commit and push

Finding your own answers to questions online

Summary

Pop Quiz Answers

Chapter 2, Installing Unity and the OUYA ODK

Chapter 3, Diving into Development

Chapter 4, Moving Your Player with Controller Input

Chapter 5, Enhancing Your Game with Touch Dynamics

Chapter 6, Saving Data to Create Longer Games

Chapter 7, Expanding Your Gameplay with In-app Purchases

Chapter 8, Polishing and Prepping Your Game for Deployment

Chapter 9, Blazing Your Own Development Trail

Index

Customer Reviews

5 star

4 star

3 star

2 star

1 star

Time for action – creating a loss screen

You can already exit the game by winning because we coded a collision with the cube at the other end of the level to result in the win screen being displayed. However, if the player accidentally rolls off the level, there's no way for them to get back up and try again.

To fix this, we'll create a loss screen that lets the user replay the game. The process of building our loss screen will follow our process of building the title screen, but we'll also create a trigger so that the loss screen is displayed when the marble falls off the level. Perform the following steps to create a loss screen:

Create a new scene called LossScreen in your RollingMarble project.
Set your preferred background color in the Inspector window for the Main Camera object in the Hierarchy window.
Create a new GUI Text object from the Create menu in the Hierarchy window.
Set the Text property of the new GUI Text object to read You Lose.
Set the font size of the GUI Text object to be...

OUYA Game Development by Example

By : John Donovan

OUYA Game Development by Example

By: John Donovan

Overview of this book

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OUYA Game Development by Example

Time for action – creating a loss screen