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Unreal Engine 4 AI Programming Essentials

You're reading from   Unreal Engine 4 AI Programming Essentials Create responsive and intelligent game AI using Blueprints in Unreal Engine 4

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Product type Paperback
Published in Mar 2016
Publisher
ISBN-13 9781784393120
Length 188 pages
Edition 1st Edition
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Authors (2):
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Jie Feng Jie Feng
Author Profile Icon Jie Feng
Jie Feng
Peter Newton Peter Newton
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Peter Newton
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Table of Contents (11) Chapters Close

Preface 1. Introduction to Game AI FREE CHAPTER 2. Creating Basic AI 3. Adding Randomness and Probability 4. Introducing Movement 5. Giving AI Choices 6. How Does Our AI Sense? 7. More Advanced Movement 8. Creating Patrol, Chase, and Attack AI 9. What Have We Learned? Index

Adding randomness and probability


In this chapter, we focused on adapting our previous example to implement randomness and probability. So, we focused on the pros and cons of randomness and probability. Randomness can overlap with probability if you predetermine the outputs. For example, if you want different animations to be played each time a player does a fist attack, you can have an array of different animations you randomly choose from. However, say that there are five available options; with this, you have a 20% chance of choosing any one of the available choices.

The pros and cons of using randomness

The following are the pros:

  • There is virtually no limit to the output

  • This introduces balance to systems

The following are the cons:

  • You must create a large output table for increased deviation

  • The paths are limited to control

The pros and cons of using probability

The following are the pros:

  • You can predetermine the output

  • You can dictate the frequency of output

  • You can introduce balance to systems...

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