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Unreal Engine 5 Shaders and Effects Cookbook

You're reading from   Unreal Engine 5 Shaders and Effects Cookbook Over 50 recipes to help you create materials and utilize advanced shading techniques

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Product type Paperback
Published in May 2023
Publisher Packt
ISBN-13 9781837633081
Length 402 pages
Edition 2nd Edition
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Author (1):
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Brais Brenlla Ramos Brais Brenlla Ramos
Author Profile Icon Brais Brenlla Ramos
Brais Brenlla Ramos
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Table of Contents (12) Chapters Close

Preface 1. Chapter 1: Understanding Physically Based Rendering 2. Chapter 2: Customizing Opaque Materials and Using Textures FREE CHAPTER 3. Chapter 3: Making Translucent Objects 4. Chapter 4: Playing with Nanite, Lumen, and Other UE5 Goodies 5. Chapter 5: Working with Advanced Material Techniques 6. Chapter 6: Optimizing Materials for Mobile Platforms 7. Chapter 7: Exploring Some More Useful Nodes 8. Chapter 8: Going Beyond Traditional Materials 9. Chapter 9: Adding Post-Processing Effects 10. Index 11. Other Books You May Enjoy

Adding randomness to identical models

The first recipe we’ll tackle in this chapter will deal with instances of a 3D model. You might have heard about this type of asset, as they are a common feature in many different 3D content-creation packages. We use the name instance to refer to the identical copies of an asset that get scattered throughout a scene, taking advantage of a feature of our graphics cards that allows us to render these copies much faster than if we were dealing with unique individual objects. This can be a very powerful technique for increasing performance, especially when we work with assets that appear multiple times in a level: vegetation, props, modular pieces, or other similar assets. Having said that, dealing with identical models doesn’t necessarily mean that we want them to look the same; we sometimes want a certain variation to occur, if only to break up any apparent visual repetition across the level.

In this recipe, we will explore a simple...

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