November 2019
Intermediate to advanced
404 pages
12h 9m
English
Content preview from Unity Game Optimization - Third Edition
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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 ...
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