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)

Summary

By completing this chapter, you will have gained a good understanding of how to use the ML-Agents toolkit to create intelligent Agents to use in your games. We have created a monster that learns over time how to accomplish a task we set. The Agent will observe its environment using its ray sensors, and if it sees a chick, it will actively seek them out while avoiding any walls or rocks in its path. It does all of this without us ever having to write code that explicitly tells it what to do.

By adapting the input and rewards applied to the Agent, you can create drastically different AI. Want an Agent to race around a track instead? Add a reward for progressing around the track, while keeping the negative reward for hitting walls. How about making the monster shoots chicks instead of eating them? Give the little guy a gun and reward him for each projectile that hits its target. While I'm oversimplifying here – there will undoubtedly be a lot of tweaks and trial...