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Procedural 3D Modeling Using Geometry Nodes in Blender

You're reading from   Procedural 3D Modeling Using Geometry Nodes in Blender Discover the professional usage of geometry nodes and develop a creative approach to a node-based workflow

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Product type Paperback
Published in Mar 2023
Publisher Packt
ISBN-13 9781804612552
Length 282 pages
Edition 1st Edition
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Siemen Lens Siemen Lens
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Table of Contents (23) Chapters Close

Preface 1. Part 1 – Familiarizing Yourself with the Node System
2. Chapter 1: An Introduction to Geometry Nodes FREE CHAPTER 3. Chapter 2: Understanding the Functionality of Basic Nodes 4. Chapter 3: Must-Have Add-ons for Building Node Trees 5. Part 2 – Creating a Mesh in the Geometry Node System
6. Chapter 4: Making Use of Node Primitives 7. Chapter 5: Distributing Instances onto a Mesh 8. Chapter 6: Working with the Spreadsheet in Blender 9. Chapter 7: Creating and Modifying Text in the Geometry Node Editor 10. Part 3 – Modifying Meshes and Curves in the Geometry Node System
11. Chapter 8: Editing Curves with Nodes 12. Chapter 9: Manipulating a Mesh Using Geometry Nodes 13. Part 4 – Hands-On Projects Involving Advanced Workflow Techniques
14. Chapter 10: Creating a Procedural Plant Generator 15. Chapter 11: Creating a Procedural Spiderweb Generator 16. Chapter 12: Constructing a Procedural LED Panel 17. Part 5 – Best Practices to Improve Your Workflow
18. Chapter 13: Tips and Tricks for the Geometry Node Editor 19. Chapter 14: Troubleshooting the Most Common Problems in Geometry Nodes 20. Index 21. Other Books You May Enjoy Appendix: Important Shortcuts

Adding noise to your Curves

In this section, we will show you how to manipulate your Curves by adding a noise pattern to them. This will be handy if you’re making anything that involves a curved line of some sort, for example, a lightning bolt or a tree trunk.

In the following figure, you can see the nodes that we will be using in this section.

Figure 8.1: The nodes you’ll need

Figure 8.1: The nodes you’ll need

Let us take a quick look at the individual nodes:

  • The Noise Texture node – We will need the Noise Texture node to add noise randomization to our Curve.
  • The Combine XYZ node – This node will be used to combine the x, y, and z values into a vector value that we can use in the Offset input of the next node that we will need to add noise to our Curve.
  • The Set Position node – This is the most important node in this section because it is responsible for modifying our Curve. The task of this node is to set the position of different...
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