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)

Adding a placement marker

In this section, we'll design a visual cue that the player can use to determine when and where they can place an object. The marker will use the logic we created in the Detecting planes section to determine when a valid plane was found. There are two steps to adding the marker to our scene. First, we'll design the marker in Unity, and then we'll add the logic for placing the marker on valid surfaces in the real world.

Designing the marker

To add a placement marker to the game, we first need to design it. In our project, the marker will be a simple circle platform. We'll use many of Unity's built-in tools to create the marker, and the only external resource we will require is a simple circle texture. Start by creating a new GameObject in our scene:

  1. Right-click in the Hierarchy and select Create Empty to create a new GameObject.
  2. Name the new object Placement Marker:

    Figure 14.9 – Placement Marker in Hierarchy

  3. ...