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https://github.com/ssell/UnitySobelOutline
Example implementation of a Sobel Outline Post-Processing effect
https://github.com/ssell/UnitySobelOutline
3d cg outline shader sobel unity
Last synced: about 1 month ago
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Example implementation of a Sobel Outline Post-Processing effect
- Host: GitHub
- URL: https://github.com/ssell/UnitySobelOutline
- Owner: ssell
- License: mit
- Created: 2020-12-23T17:46:53.000Z (over 3 years ago)
- Default Branch: main
- Last Pushed: 2020-12-23T21:16:00.000Z (over 3 years ago)
- Last Synced: 2024-04-22T08:32:10.037Z (5 months ago)
- Topics: 3d, cg, outline, shader, sobel, unity
- Language: ShaderLab
- Homepage:
- Size: 43 KB
- Stars: 84
- Watchers: 3
- Forks: 10
- Open Issues: 0
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Metadata Files:
- Readme: README.md
- License: LICENSE
Awesome Lists containing this project
README
# Unity Sobel Outline Example
![](Media/SobelOutline.gif#center)
This repository contains the source code for a deferred renderer Sobel Outline post-processing effect for Unity.
There is an accompanying article,
* https://www.vertexfragment.com/ramblings/unity-postprocessing-sobel-outline/
which provides a step-by-step tutorial on how the effect was created.
It should be noted that this project is for demonstration purposes only, and there is no guarantess of its correctness. This project _may_ see occasional future updates to support new Unity or package versions or bug fixes.
The code was written against:
* Unity v2020.2.0f1
* [Post Processing v2.3.0](https://docs.unity3d.com/Packages/[email protected]/index.html)## Exclude from Outline
Sometimes you don't want the outlines affecting certain geometry. One way this can be done is by setting signals in the sampled buffers.
Personally, I have gone about this two different ways:
1. Using a secondary depth buffer to render excluded geometry to, combined with ShaderLab tags. See the `OutlineOcclusion` related objects in the project (C# class, shader, material).
2. Setting a signal in the deferred renderer G-Buffer. Personally have done this by setting the world normal `.w` to `0.0` and interpreting it in the Sobel shader. This is not demonstrated in the example project.## Contact
Any questions or comments may be directed to the contact information [found here](https://www.vertexfragment.com/about/).