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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

Avoid retrieving string properties from GameObjects

Ordinarily, retrieving a string property from an object is the same as retrieving any other reference type property in C#; it should be acquired with no additional memory cost. However, retrieving string properties from GameObjects is another subtle way of accidentally crossing over the Native-Managed Bridge.

The two properties of GameObject affected by this behavior are tag and name. Therefore, it is unwise to use either property during gameplay, and you should only use them in performance-inconsequential areas, such as editor scripts. However, the tag system is commonly used for the runtime identification of objects, which can make this a significant problem for some teams.

For example, the following code would cause an additional memory allocation during every iteration of the loop:

for (int i = 0; i < listOfObjects.Count...
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