Book Image

Unity Game Development Essentials

By : Will Goldstone
Book Image

Unity Game Development Essentials

By: Will Goldstone

Overview of this book

Game engines are central to the video games we know and love. From the artwork to the mathematics that underpin the frames onscreen, the engine calls the shots. Aside from offering one of the leading 3D game engines, Unity also provides a superlative development tool ñ a tool that can produce professional standard games for Mac, PC, and the Unity Web Player. This book is a complete exercise in game development covering environments, physics, sound, particles, and much more, to get you up and working with Unity quickly. Taking a practical approach, this book will introduce you to the concepts of developing 3D games before getting to grips with development in Unity itself. From creating 3D worlds to scripting and creating simple game elements you will learn everything you'll need to get started with game development for the PC, Mac, and Web. This book is designed to cover a set of easy to follow examples, which culminate in the production of a First Person 3D game, complete with an interactive island environment. By introducing common concepts of game and 3D production, you'll explore Unity to make a character interact with the game world, and build puzzles for the player to solve, in order to complete the game. At the end of the book, you will have a fully working 3D game and all the skills required to extend the game further, giving your end-user, the player, the best experience possible. Soon you will be creating your own 3D games with ease!
Table of Contents (17 chapters)
Unity Game Development Essentials
Credits
About the Author
About the Reviewers
Preface
Index

Creating the menu — approach 1


In this first approach, we'll create a menu that uses a transparent background texture as a GUI Texture, in the same way as we have just done with our main title logo.

We will then need to write a script in order to make the texture receive mouse events for mouse enter, mouse exit, and mouse down/up.

Adding the play button

In the Menu folder in the Project panel, select the texture called PlayBtn. Go to GameObject | Create Other | GUI Texture. Select the PlayBtn object in the Hierarchy that you have just made. In the Inspector, set its Transform position to (0.5, 0.6, 0.

GUI Texture button script

This is the first of our three buttons, and because they all have common functions, we will now write a script that can be used on all of the three buttons, using public member variables to adjust settings. For example, each button will:

  • Play a sound when clicked on

  • Load a different level (or Scene in Unity terms) when clicked on

  • Swap texture when the mouse is over them...