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Unity Multiplayer Games

You're reading from   Unity Multiplayer Games Take your gaming development skills into the online multiplayer arena by harnessing the power of Unity 4 or 3. This is not a dry tutorial – it uses exciting examples and an enthusiastic approach to bring it all to life.

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Product type Paperback
Published in Dec 2013
Publisher Packt
ISBN-13 9781849692328
Length 242 pages
Edition 1st Edition
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Author (1):
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Alan R. Stagner Alan R. Stagner
Author Profile Icon Alan R. Stagner
Alan R. Stagner
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Toc

Table of Contents (9) Chapters Close

Preface 1. Unity Networking – The Pong Game FREE CHAPTER 2. Photon Unity Networking – The Chat Client 3. Photon Server – Star Collector 4. Player.IO – Bot Wars 5. PubNub – The Global Chatbox 6. Entity Interpolation and Prediction 7. Server-side Hit Detection Index

Overview of PubNub


Unlike traditional TCP or UDP communication methods, PubNub is based around HTTP. Users are divided by application, into channels. Within each channel, users can publish messages, which are broadcast to all users in the channel. There are some limitations in this regard. It is not possible to direct a message to a specific user within a channel, and this message is stored in a plain text format. Latency is also a major factor, as messages can take some time to be received. These factors make PubNub unsuitable for games requiring fast and efficient communication, but it has other uses. For instance, if players cannot be directly connected to each other to communicate (for instance, for an instant messaging feature), it's possible to use specially named channels based on the user ID to send messages to players (each player listens on their own dedicated channel for incoming private messages).

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