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Atmosphere II

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I have fixed my shaders and improved some effects. There is still an artifact in the atmosphere extinction in the sunset area, that i'm not happy with.. but it's starting to look cool:





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Awesome! I can't wait until you're finished!

And what did you mean, "starting to look cool"? It looks cool already!!!

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I had the same problems with the atmosphere shader.
That's because of midpoint integration. That was why I introduced these clamping values, but they didn't help much.

Did you already apply the atmosphere shader to the planet?

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Wow, very cool. What's it for BTW?


A science-fiction game (think: Elite)

Quote:

I had the same problems with the atmosphere shader.


Oh, that's good to know, because the shader is a simplified version of yours (only one ray/sphere intersection test, and even that one is a specific case of the general ray/sphere test), so i was thinking it could come from my "optimizations".

Quote:

Did you already apply the atmosphere shader to the planet?


Yes, but due to the low tesselation, it doesn't look always good. I have to reimplement the terrain/atmosphere LOD before i can make a good screenshot.

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One thing that weirds me out is how the atmosphere's default color (i.e. at the unlit side) is black. Now, I realize that this might very well be the case in reality, but I think it would look amazing if it was see-through instead.

Still awesome, though.

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You're making a good point, i didn't think somebody would notice :) We don't have this problem in reality, because space is very black, so you don't see in photos the dark atmosphere "glowing" like that. I can fix it, but it'd require rendering the background to a texture, or splitting the scattering in two pass, and both are bad for performance. I'm not sure i'm ready to afford it..

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Guest Anonymous Poster

Posted

Looks beautiful, especially with these higher quality jpegs!

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