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Build Stunning Real-time VFX with Unreal Engine 5

You're reading from  Build Stunning Real-time VFX with Unreal Engine 5

Product type Book
Published in May 2023
Publisher Packt
ISBN-13 9781801072410
Pages 312 pages
Edition 1st Edition
Languages
Concepts
Author (1):
Hrishikesh Andurlekar Hrishikesh Andurlekar
Profile icon Hrishikesh Andurlekar

Table of Contents (16) Chapters

Preface 1. Part 1: Introduction to Niagara and Particle Systems in Unreal Engine 5
2. Chapter 1: Getting Started with Unreal Engine Particle System Frameworks 3. Chapter 2: Understanding Particle System Concepts 4. Chapter 3: Exploring Niagara Concepts and Architecture 5. Chapter 4: Building Our First Niagara System 6. Chapter 5: Diving into Emitter-System Overrides 7. Part 2: Dive Deeper into Niagara for VFX
8. Chapter 6: Exploring Dynamic Inputs 9. Chapter 7: Creating Custom Niagara Modules 10. Chapter 8: Local Modules and Versioning 11. Chapter 9: Events and Event Handlers 12. Chapter 10: Debugging Workflow in Niagara 13. Chapter 11: Controlling Niagara Particles Using Blueprints 14. Index 15. Other Books You May Enjoy

Vector mathematics and matrices and their representation in Niagara

Vector mathematics and matrices are one of those boring subjects in high school mathematics that you may have entirely skipped because you had no idea where you would use them in your daily life. Well, now you know. They are used everywhere in games and particle systems in particular. Let us take some time to brush up on our concepts, starting with vector mathematics.

What is a vector?

Let us ignore all the complicated talk about magnitude and velocity used in the standard definition of a vector and have a look at the bare essentials.

In a two-dimensional space, a vector just holds an x and y value; for example, vector a = (3, 4) where 3 is x and 4 is y.

This representation can be used to define the location or direction of an object. We can also find the speed of an object by finding what is known as the magnitude of the vector. Let us see how a vector is used to define a location and then we will see...

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