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Water wall
show user profile  Vivifyer
Trying to recreate, realistically the effect of water flowing down a surface, for this water feature
HERE





I've tried a lot of different ways so far, non-uniform scaled noise both as texture, and displacement, which looks 'OK' but not the same, I'm trying to get these 'V' shaped lines cascading down like in the video. ideally using procedural maps to make the distortion across the surface but all my ideas are coming up short.


I've started to get into particle flow to try and make this pattern. but so far I've just wasted a few days fiddling with settings and not really making a great deal of progress,


I've looked at sim plugins, but found that because of the scale of this effect, perhaps only 1mm or so off the surface, the sim does not work unless the detail is insanely high.

Any ideas or help is greatly appreciated.
Vivifyer - Lastpixel

read 602 times
5/30/2017 5:30:28 PM (last edit: 5/30/2017 5:38:41 PM)
show user profile  chillywilson
I think your over complicating it

I would animate a 2 texture in after effects(Ripple and fractal noise) or whatever you got and bring that in as a animated displacement map.

That way you can create the exact type of look you want.
read 577 times
5/30/2017 9:29:42 PM (last edit: 5/30/2017 9:29:42 PM)
show user profile  Vivifyer
thanks for the suggestion, I think its working quite well, needs a few tweaks, the contrast is too high causing flat spotting on the bump. But its def better than what I had.

here is a short test animation. it has about 4 layers of different noise falling at different speeds.

Vivifyer - Lastpixel

read 549 times
6/1/2017 3:55:30 AM (last edit: 6/1/2017 3:55:30 AM)
show user profile  chillywilson
That looks great, my only suggestion would be to make some of the waves dissolve and break up into the water for some extra realism.
read 523 times
6/1/2017 1:35:39 PM (last edit: 6/1/2017 1:35:39 PM)
show user profile  del3d
Shit I thought the first vid was your render and I thought damn good water and what's up with the light flicker. GI issues? I wasn't sure what better effect you were after :)

Perhaps there is a bit too much speed variation? It is certainly present in the Tribeca vid put not as prominent as in your test video.

Nice work.
read 514 times
6/1/2017 4:59:10 PM (last edit: 6/1/2017 4:59:10 PM)
show user profile  Vivifyer
I agree, I think I'll tighten the gap between the fastest and slowest so the variation is less.

Vivifyer - Lastpixel

read 504 times
6/2/2017 3:23:36 AM (last edit: 6/2/2017 3:23:36 AM)
show user profile  Vivifyer
this is my last test on the water feature, please excuse the low render settings. needed it to render quickly.



the falling "V's" are now 4 layers of noise moving at different rates, also added a fractal noise behind it, to show the look of water still falling in between the v shapes.

the horizontal areas have animated noise moving away from the point where the vertical element hits it.
Vivifyer - Lastpixel

read 442 times
6/8/2017 4:16:58 AM (last edit: 6/8/2017 4:16:58 AM)
show user profile  markoid
Looks real good!



read 424 times
6/9/2017 3:12:37 AM (last edit: 6/9/2017 3:12:37 AM)
show user profile  Nik Clark
That is pretty damned awesome!



read 420 times
6/9/2017 8:44:17 AM (last edit: 6/9/2017 8:44:17 AM)
show user profile  chillywilson
That's looking pretty awesome.

So did you use the animated textures?

For the sake of everyone, can you post one of textures as a giff for everyone to see
read 409 times
6/9/2017 1:44:35 PM (last edit: 6/9/2017 1:44:35 PM)
show user profile  Vivifyer
how the maps look in max.
View post on imgur.com


one of the wave layers in AE, each of these is moving about 10% different speed than the last. and the sizes vary by about 10 or 20%

View post on imgur.com


the comp for the wave texture, with a directional blur on top of it.

View post on imgur.com

Vivifyer - Lastpixel

read 361 times
6/12/2017 5:41:19 AM (last edit: 6/12/2017 5:42:09 AM)
show user profile  Vivifyer
the texture in action

Vivifyer - Lastpixel

read 357 times
6/12/2017 5:53:10 AM (last edit: 6/12/2017 5:53:10 AM)
show user profile  Shellica
the second test video you posted was my favorite :) I think you got the realism down on that, really like it
read 327 times
6/14/2017 4:24:48 PM (last edit: 6/14/2017 4:24:48 PM)
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