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Shader Thread

Here you can share your work with other users.

Moderator: Support

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ErikB
Posts: 212
Joined: 10 Jan 2012, 12:52

Shader Thread

Post by ErikB » 04 Sep 2013, 10:49

Hoi, I've been tinkering with shaders and figured I might as well post them when/if I do something amusing. I encourage you to do the same.

The Rules here:

a) I (and probably everyone else here) do not take requests. This is for fun, tinkering, playing and testing and maybe it is helpful, maybe it isn't, take it or leave it.
b) Everything is as-is and not sanctioned by our development. These may work, they may cause your multi-million dollar GPU to spontaneously implode in a pyrotechnic lightshow. They are certainly not refined, there are guaranteed to be ways to do it better, faster, stronger whatever. Take it or leave it.
c) If you want to change them in an interesting way, go ahead, but please post them back up here if you do.

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ErikB
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Joined: 10 Jan 2012, 12:52

Re: Shader Thread

Post by ErikB » 04 Sep 2013, 10:53

And here, to kick it off, is a little ripple/water/noise shader. (Ventuz 4)
Attachments
ripple.jpg
ripples.vza
(11.97 KiB) Downloaded 520 times

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ErikB
Posts: 212
Joined: 10 Jan 2012, 12:52

Re: Shader Thread

Post by ErikB » 04 Sep 2013, 11:06

ribbon.jpg
and here is a ribbon shader kind of thing (Ventuz 4). Play with the properties, can get a lot of varied results from this one. It will support color or material node, no textures, tho.
Attachments
RibbonShader.vza
(16.13 KiB) Downloaded 563 times

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ErikB
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Joined: 10 Jan 2012, 12:52

Re: Shader Thread

Post by ErikB » 04 Sep 2013, 13:58

ribbon2.jpg
..and here another variation of ribbons.
Attachments
Ribbons2.vza
(18.65 KiB) Downloaded 563 times

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ErikB
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Joined: 10 Jan 2012, 12:52

Re: Shader Thread

Post by ErikB » 04 Sep 2013, 17:09

stars.jpg
...and here are some stars. Adapted from a shadertoy, not sure how useful it is, but it looks awesome. The settings are somewhat finicky.
Attachments
stars.vza
(26.41 KiB) Downloaded 547 times

chriss0212
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Re: Shader Thread

Post by chriss0212 » 05 Sep 2013, 13:15

hi eric

very nice!! and running on ventuz4 as well!

just the starfield seems to be VERY performance hungry.

PLEASE GO ON ;)

greetz

christian

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ErikB
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Re: Shader Thread

Post by ErikB » 05 Sep 2013, 13:42

chriss0212 wrote:hi eric

very nice!! and running on ventuz4 as well!

just the starfield seems to be VERY performance hungry.

PLEASE GO ON ;)

greetz

christian
yeah I noticed there are one or two of the parameters that cause it to come to a grinding halt with even tiny changes. So try playing with the parameters if it is too slow. It does look cool though... I have a bunch of other ones I have sort of working, we'll see what I get around to, but I'll throw more up as I play around. Let me know if they are useful!

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squiggle
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Joined: 18 Jan 2012, 17:54

Re: Shader Thread

Post by squiggle » 05 Sep 2013, 15:40

chriss0212 wrote:very nice!! and running on ventuz4 as well!
"Error importing Acrhive -- malformed stream: bad tag" means all of them are Ventuz 4 only, right? Pity -- we won't (be able to) upgrade in the foreseeable future :(

squiggle

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ErikB
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Re: Shader Thread

Post by ErikB » 05 Sep 2013, 15:54

correct, they are all built in Ventuz 4.

-E

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ErikB
Posts: 212
Joined: 10 Jan 2012, 12:52

Re: Shader Thread

Post by ErikB » 06 Sep 2013, 03:42

ps.jpg
a shader that allows you to blend 2 textures (or movies, or render targets) using the photoshop blend methods. (screen, overlay, darken etc - about 20 of them)

EDIT:

- now supports image processing (Gamma, Brightness, Contrast, Saturation, max/min in-out) on all layers
- alpha channels work properly (switchable)
- supports a separate mask layer

I will revisit this one at some point, a lot I could still do, such as add more texture layers, support for materials, etc.

-E
Attachments
PS2.vza
(1.64 MiB) Downloaded 547 times

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