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Question by ForgeStudios · Nov 26, 2013 at 02:55 AM · shadersspaceadvancedsky

Shader: Adding alpha

I have a shader material which I pulled from here: http://forum.unity3d.com/threads/31163-Atmospheric-Scattering-In-Unity-from-GPU-Gems-2, for atmospheric scattering. I am fairly new to shaders, and this is way over my head. I'm looking for a way to add an alpha layer/filter to this shader so that anything that is black, > an rgb of (20, 20, 20) is not rendered, transparent. Any shader guru's out there with some advice?

P.S. - I'm looking to do this with the SkyFromAtmosphere shader.

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Answer by ForgeStudios · Dec 01, 2013 at 12:08 AM

Tags{"RenderType" = "Transparent"}

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avatar image vistaero · Apr 09, 2017 at 10:26 AM 0
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That is not enough. It's like pretending that a B$$anonymous$$P image will have transparency if you save it as PNG.

The link of the question no longer contains any working link, so here is my copy of the project: https://www.dropbox.com/s/d99beibmthmbgbf/GPU_GE$$anonymous$$S_atmosphericScattering.zip?dl=0

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Answer by vistaero · Jan 28, 2018 at 07:08 AM

Replace:

 Tags { "RenderType"="Transparent" }

By:

 Tags { "Queue"="Transparent" "RenderType"="Transparent" }
 Blend One One

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