Shader: Adding alpha

Question

I have a shader material w$$anonymous$$ch 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 t$$anonymous$$s is way over my head. I'm looking for a way to add an alpha layer/filter to t$$anonymous$$s shader so that anyt$$anonymous$$ng 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 t$$anonymous$$s with the SkyFromAtmosphere shader.

Answer 1

Best Answer

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

Tags{"RenderType" = "Transparent"}

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vistaero · Apr 09, 2017 at 10:26 AM 0

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That is not enough. It's like pretending that a BMP 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_GEMS_atmosphericScattering.zip?dl=0

Answer 2

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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Shader: Adding alpha

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