You're reading from Photorealistic Materials and Textures in Blender Cycles Create impressive production-ready projects using one of the most powerful rendering engines

Product type Paperback

Published in Oct 2023

Publisher Packt

ISBN-13 9781805129639

Length 394 pages

Edition 4th Edition

Tools

Blender

Concepts

Game Design

Author (1):

Arijan Belec

View More author details

Table of Contents (21) Chapters

Preface

1. Part 1: Materials in Cycles FREE CHAPTER

2. Chapter 1: Creating Materials in Blender

3. Chapter 2: Introducing Material Nodes

4. Chapter 3: Mapping Images with Nodes

5. Part 2: Understanding Realistic Texturing

6. Chapter 4: Achieving Realism with Texture Maps

7. Chapter 5: Generating Texture Maps with Cycles

8. Chapter 6: Creating Bumpy Surfaces with Displacement Maps

9. Part 3: UV Mapping and Texture Painting

10. Chapter 7: UV-Unwrapping 3D Models for Texturing

11. Chapter 8: Baking Ambient Occlusion Maps

12. Chapter 9: Introducing Texture Painting

13. Chapter 10: Creating Photorealistic Textures on a 3D Model

14. Part 4: Lighting and Rendering

15. Chapter 11: Lighting a Scene in Cycles

16. Chapter 12: Creating Photorealistic Environments with HDRIs

17. Chapter 13: Preparing the Camera for Rendering

18. Chapter 14: Rendering with Cycles

19. Index

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Creating a bullet hole decal

Decals are images with transparent backgrounds that can be painted onto a texture to look like a sticker. When painting decals, it is useful to have a reference image of what we try to paint. This will help us accurately recreate a shape as a decal.

In the following steps, we will use GIMP to create a bullet hole decal, which we can then texture-paint on any other texture:

Open GIMP and create a new image with Shift + N. Set the size to 512 x 512.

Figure 9.27 – Creating a new 512 x 512 image

Add an alpha channel using the Layer menu.

Figure 9.28 – Adding an alpha channel to the image

Delete the background, set the brush color to gray, and set a large brush size with a diameter of approximately half the width of the canvas, by pressing Ctrl + Alt and scrolling up. This brush will be used to create the shape of the bullet hole.