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polyanka by Ye Olde Laptops Posse [web]
screenshot added by provod on 2013-07-15 07:35:55
platform :
type :
release date : july 2013
release party : Solskogen 2013
compo : shadertoy
ranked : 1st
  • 11
  • 1
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popularity : 53%
  • 0.92
alltime top: #12295
added on the 2013-07-15 07:35:55 by provod provod

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rulez added on the 2013-07-15 07:48:24 by sensenstahl sensenstahl
rulez added on the 2013-07-15 10:37:47 by TheT(ourist) TheT(ourist)
rulez added on the 2013-07-15 10:41:10 by wullon wullon
rulez added on the 2013-07-15 13:20:47 by -SP- -SP-
Way less code than I expected
rulez added on the 2013-07-15 13:50:52 by Tjoppen Tjoppen
Kinda nice. Look good on the screenshot, in realtime it doesn't look much like grass in the foreground and the motion is pretty strange. Might work better with different colours so we're not expecting grass?
rulez added on the 2013-07-15 14:08:05 by psonice psonice
rulez added on the 2013-07-15 16:01:45 by Queen_Luna Queen_Luna
Nice ;)
rulez added on the 2013-07-15 18:07:19 by bitl bitl
rulez added on the 2013-07-15 18:56:14 by fyrex fyrex
psonice: Thanks for feedback! Motion does look strange especially on windows, where it comes in weird discrete visible waves with noticeable color desync. There's no such issue on either OSX or Linux. I've yet to figure this out.
Anyway, this is a rather fast prod, so there is sure a lot of space for improvements.
added on the 2013-07-15 21:02:25 by provod provod
w23: I'm on safari/OSX :D

Just had a quick experiment with the shader. Try setting the wind displacement to use a much smaller wave, with much smaller scale too and a bit slower.

I think half the 'unrealism' problem is that you have short grass, but motion like really deep, waist high grass. A smaller wind scale is more like the way shorter grass moves.
added on the 2013-07-15 22:00:40 by psonice psonice
(and btw, I do like it as it is.. it's the combination of 'looks like short grass' and 'moves like deep grass' that looks weird. Different colours = mind not expecting it to move like grass :D)
added on the 2013-07-15 22:01:55 by psonice psonice
psonice: I see :D.
Well, originally I did model a waist-high grass, only it took forever to march through.
Tried your suggestions and that way it does look somewhat more realistic, thanks! It also makes me want to continue working on it and fix/improve other stuff, but I'm kinda low on time budget here :D.
added on the 2013-07-15 22:23:49 by provod provod
yeah, if it had been waist-high grass with decent speed, my mind would have been blown :D That's really worst-case raymarching. You either cut accuracy and get horrible glitching, or you keep accuracy and get either horrible speed or horrible draw distance / distortion :(

I'm with you on the time budget too. Anyway, good luck if you try and push it a bit further, the starting point is good :)
added on the 2013-07-15 23:10:13 by psonice psonice
not bad
rulez added on the 2013-07-18 02:02:27 by T$ T$
rulez added on the 2013-08-03 17:25:19 by BackSpace BackSpace

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