Book Image

Unity 2020 By Example - Third Edition

By : Robert Wells
Book Image

Unity 2020 By Example - Third Edition

By: Robert Wells

Overview of this book

The Unity game engine, used by millions of developers around the world, is popular thanks to its features that enable you to create games and 3D apps for desktop and mobile platforms in no time. With Unity 2020, this state-of-the-art game engine introduces enhancements in Unity tooling, editor, and workflow, among many other additions. The third edition of this Unity book is updated to the new features in Unity 2020 and modern game development practices. Once you’ve quickly got to grips with the fundamentals of Unity game development, you’ll create a collection, a twin-stick shooter, and a 2D adventure game. You’ll then explore advanced topics such as machine learning, virtual reality, and augmented reality by building complete projects using the latest game tool kit. As you implement concepts in practice, this book will ensure that you come away with a clear understanding of Unity game development. By the end of the book, you'll have a firm foundation in Unity development using C#, which can be applied to other engines and programming languages. You'll also be able to create several real-world projects to add to your professional game development portfolio.
Table of Contents (16 chapters)

Creating an AR scene

In this section, we'll add an AR Session and AR Session Origin object to a new scene. The AR Session component is necessary for any AR scene as it enables the AR experience, so let's start with that:

  1. Create a new scene by selecting File | New Scene from the Application menu.
  2. Save the new scene by pressing Ctrl + S or selecting File | Save from the Application menu and name it as ARScene. You should save the scene regularly to ensure you don't lose progress.
  3. Once the scene is saved, select GameObject | XR | AR Session from the Application menu. You can also access this menu by right-clicking in the Hierarchy panel. We won't be interacting with the session object, but it provides the setup we need to work with AR:

    Figure 13.15 – Adding an AR Session object

    An AR Session is an integral part of an AR scene. It controls the life cycle of the AR experience by enabling it on startup and disabling AR if the component is disabled...