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You're reading from  Game Development Patterns with Unity 2021 - Second Edition

Product typeBook
Published inJul 2021
Reading LevelBeginner
PublisherPackt
ISBN-139781800200814
Edition2nd Edition
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David Baron
David Baron
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David Baron

David Baron is a game developer with over 15 years of experience in the industry. He has worked for some well-known AAA, mobile, and indie game studios in Montreal, Canada. His skill set includes programming, design, and 3D art. As a programmer, he has worked on various games for various platforms, including virtual reality, mobile, and consoles.
Read more about David Baron

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Benefits and drawbacks of the Observer pattern

These are some of the benefits of the Observer pattern:

  • Dynamism: The Observer permits the Subject to add as many objects as it necessitates as Observers. But it can also remove them dynamically at runtime. 
  • One-to-Many: The main benefit of the Observer pattern is that it elegantly solves the problem of implementing an event handling system in which there's a one-to-many relationship between objects.

The following are some potential drawbacks of the Observer pattern:

  • Disorder: The Observer pattern doesn't guarantee the order in which Observers get notified. So, if two or more Observer objects share dependencies and must work together in a specific sequence, the Observer pattern, in its native form, is not designed to handle that type of execution context. 
  • Leaking: The Observer can cause memory leaks as the subject holds strong references to its observers. If it's implemented incorrectly and the Observer...
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Game Development Patterns with Unity 2021 - Second Edition
Published in: Jul 2021Publisher: PacktISBN-13: 9781800200814

Author (1)

author image
David Baron

David Baron is a game developer with over 15 years of experience in the industry. He has worked for some well-known AAA, mobile, and indie game studios in Montreal, Canada. His skill set includes programming, design, and 3D art. As a programmer, he has worked on various games for various platforms, including virtual reality, mobile, and consoles.
Read more about David Baron