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Unity Game Optimization - Third Edition

You're reading from  Unity Game Optimization - Third Edition

Product type Book
Published in Nov 2019
Publisher Packt
ISBN-13 9781838556518
Pages 404 pages
Edition 3rd Edition
Languages
Authors (2):
Dr. Davide Aversa Dr. Davide Aversa
Profile icon Dr. Davide Aversa
Chris Dickinson Chris Dickinson
Profile icon Chris Dickinson
View More author details

Table of Contents (15) Chapters

Preface 1. Section 1: Base Scripting Optimization
2. Evaluating Performance Problems 3. Scripting Strategies 4. Section 2: Graphical Optimizations
5. The Benefits of Batching 6. Optimizing Your Art Assets 7. Faster Physics 8. Dynamic Graphics 9. Section 3: Advance Optimizations
10. Optimizations for Virtual and Augmented Reality 11. Masterful Memory Management 12. The Data-Oriented Technology Stack 13. Tactical Tips and Tricks 14. Other Books You May Enjoy

The new ECS

The ECS is a brave and ambitious attempt to redesign the core foundation of Unity's design: the GameObject-MonoBehaviour paradigm. As you can imagine, changing the base design pattern of every object in the game is not an easy task. So you may ask: Why?

There are several reasons for that. Let's look at some of them objectively:

  • First, as we said before, GameObject and MonoBehaviour are heavy objects; they carry a lot of internal code and data structures. The overhead introduced by GameObject instances and MonoBehaviour is large enough to limit the number of objects you can have on the screen more than the resources needed to render them. That's not a good thing for an abstraction model.
  • Second, MonoBehaviour instances are scattered in memory. This means that GameObject needs to look around in memory to retrieve all the MonoBehaviour instances it is...
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