https://github.com/Avdbergnmf/UnityURPMirrorShader

A mirror shader that works with VR in URP Unity Latest version (2019.3+), though only with multi-pass
https://github.com/Avdbergnmf/UnityURPMirrorShader

Last synced: 3 months ago
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A mirror shader that works with VR in URP Unity Latest version (2019.3+), though only with multi-pass

• Host: GitHub
• URL: https://github.com/Avdbergnmf/UnityURPMirrorShader
• Owner: Avdbergnmf
• Created: 2020-05-14T15:40:29.000Z (over 4 years ago)
• Default Branch: master
• Last Pushed: 2022-03-03T15:29:09.000Z (over 2 years ago)
• Last Synced: 2024-05-15T12:30:37.974Z (6 months ago)
• Language: C#
• Size: 3.37 MB
• Stars: 73
• Watchers: 10
• Forks: 9
• Open Issues: 5
• Metadata Files:
  • Readme: README.md

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README

        
# UnityURPMirrorShader

![v_redd_it-DASH_720](https://user-images.githubusercontent.com/47422509/116164983-1ee10e80-a6fb-11eb-800c-4708ac504ea2.gif)

[reddit post](https://www.reddit.com/r/Unity3D/comments/gjp2jw/mirror_shader_and_script_for_urp_that_works_for/)

A mirror shader that works with VR in URP Unity 2019.4 LTS, though only with multi-pass

I gathered the script from the unity forum and made adjustments so it works with VR and the new URP.

The shader is the culmination of youtube tutorials but its been a while so I can't remember where I got them from. Its made with shadergraph so feel free to play with it and adjust it in any way you like.

The bit that makes this work with VR is the most interesting and it done with a little custom function that I found on the unity forum and adjusted for what I need:

```

OUT = Left;

if (unity_StereoEyeIndex == 0){

  OUT = Left;

}

else {

  OUT = Right;

}

```

![shadergraphscreenshot](shadergraphscreenshot.png)

## How to use:

Place the script on the plane that will act as the mirror, make sure the shader has the textures with the correct names attached, an example shader is given.

Additionally add a new tag named "PortalCam". This tag is added to the cameras rendering the water surface, such that that camera itself does not recursively also create additional mirror cameras (portalcam).

Preferably load in the .unitypackage, if that for some reason doesn't work, the separate files are supplied in here as well.

This shader also includes some nice water flowing animations, in case you need those, but you can take these out pretty easily using shader graph by delecting the elements.

The textures/maps I used here are also included, so you can have a go at it yourself.

Let me know if something is broken and I will try to help you fix it :)