Collab 2021 WIP elcangrejo

This topic has 33 replies, 8 voices, and was last updated 5 years, 4 months ago by Florian W.

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April 6, 2021 at 2:44 pm #13720
Florian W
Participant
This is my ongoing thread documenting my progress through the 2021 collab.
April 10, 2021 at 11:06 am #65026
Florian W
Participant
Please see text below.
April 11, 2021 at 11:59 am #65027
Florian W
Participant
April 11, 2021 at 2:21 pm #65028
Florian W
Participant
Above I posted some pre-alpha previews of possible directions the look of our creek could steer towards. None of them are intended as final result and are mere WIP showcases to help in making further design decisions.

I tried several different approaches to simulating flowing water with a toonish look. I used the Ocean Modifier, Dynamic Paint (set to vertex color), a flowmap and several different shader configurations – some based on shaders from Blendermarket and Gumroad.

Flowmaps didn’t help as much as I was hoping for, they might still be worthwhile for collisions though.

Dynamic Paint is an option for collision with rocks etc as well. I also tried an Ocean Modifier – great for simulating waves.

A full fluid simulation with Mantaflow is IMO a bit too much for our project, especially within Eevee.

Conclusion: ATM I think it best to use a shader like the ones I created above and use Dynamic Paint or Flowmaps for collisions and add some slight surface movement via an Ocean Modifier set to shallow water.

Planned next steps: As shown in the first video, collisions still need some looking into – friendly advice welcome. Reflections and transparency will be (re-)implemented in the next iterations.
April 13, 2021 at 9:43 am #65029
Kent Trammell
Participant
LOVING what I’m seeing @elcangrejo! I’ll give you a proper grading + feedback ASAP, but I just wanted you to know I see your work and it makes me happy 🤩
April 13, 2021 at 10:17 am #65030
Florian W
Participant
Awesome, thank you @theluthier :))))
April 13, 2021 at 10:52 am #65031
Aubrie Lee
Participant
so compelling!

I signed up for this asset as your second. no experience with water simulations, so I’m glad to be learning from what you’re doing
April 13, 2021 at 11:07 am #65032
Florian W
Participant
Thank you @aubrie! I’m mostly using what I find in tutorials and online and try to wrap my head around all of it. I’m looking forward to working with you. Tell me if you need anything 🙂
April 14, 2021 at 5:38 am #65033
ladymito
Participant
@elcangrejo
My team is investigating the issue of water falling in a mini waterfall from the blades of the waterwheel. I guess we should see how we combine the techniques. That research would also be useful, I suppose, for the mini-waterfalls in the river that would be outside the camera. At the moment I am looking for information. What I have found so far is this:

https://www.youtube.com/watch?v=zZsfr5f273c

https://www.youtube.com/watch?v=Im3SA3MSzcw
April 15, 2021 at 1:16 pm #65034
Kent Trammell
Participant
@elcangrejo Like I said earlier: Very impressed with your work for week 1. The resourcefulness is huge and your experimentation is extremely promising.

I really don’t have any constructive notes to give other than “keep doing what you’re doing.” With regard to collisions, for the final result I’d like to see “edge foam” present; the white water effect that emphasizes collision with the ground and rocks. I’ll tell you what I told @procyonlotor:

I’ve looked into techniques for this a couple times and have never been able to do it procedurally with shader nodes. Maybe there’s a way to do it but 🤷‍♂️. Alternatively you could try adding a dedicated strip of geometry along the edges of the water (slightly above the water) with it’s own shader to simulate edge foam. This guide seems insightful (though not with Bender).

If you could further explore collisions + edge foam in week 2, that’d be great!
April 16, 2021 at 9:43 am #65035
Florian W
Participant
Thanks for your encouraging feedback and input! I’ll get in touch with @procyonlotor and hopefully produce some nice collisions and foam together 🙂
April 18, 2021 at 5:41 am #65036
Florian W
Participant
Some collisions for you beautiful people. This uses Dynamic Paint and Brushes.

This is still heavily WIP since I’m working with a shader from Blendermarket which needs a lot of tweaking and digging to get it right 🙂

Shape, form, color, speed and everything else are costumisable . Especially the shape of the foam might not be everybody’s taste.

With this setup I’m having some trouble making the water follow a curved plane perfectly but I’m confident about that. Since @theluthier liked the lines of foam in my last submission I’ll try to get this reimplemented.

I loved how @procyonlotor created his collisions from something as simple as AO and I will try his technique out for my next iteration.
April 18, 2021 at 11:50 am #65037
Florian W
Participant
Oh, btw, @procyonlotor , @theluthier @spikeyxxx , @aubrie – what do you think about adding one or two fish below our creek’s surface?
April 18, 2021 at 12:23 pm #65038
Aubrie Lee
Participant
love that idea!!
April 18, 2021 at 12:29 pm #65039
spikeyxxx
Participant
+1 from me 🙂
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