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This weekend I've been working on a watercolor simulator based (as much as possible) on real physics. It's built on Curtis et al.'s watercolor model (SIGGRAPH 1997) with a fluid layer, drifting pigment and wet paper fibers. I decided to explore this because I love watercolor painting, and when...

79,217 views • 1 month ago •via X (Twitter)

56 Comments

vanity_ibex's profile picture
vanity_ibex1 month ago

Looking good! I also did some watercolor simulations

Lionel Mora's profile picture
Lionel Mora1 month ago

Love it!

M.'s profile picture
M.1 month ago

That's so cool. I did a test with 2d oil painting brushstrokes for my website like half a year ago. I love old school computer graphics, made me feel fairly nostalgic. Do you know if there's a model for oil coloring, too? I like the thick texture.

Lionel Mora's profile picture
Lionel Mora1 month ago

Thanks for the feedback! I will look into it and will ping back here if I find anything good!

Benji ☕️'s profile picture
Benji ☕️1 month ago

This is gorgeous! I've been working on a similar app but with less detail on the execution of realism. A daily journal app where you doodle how you feel, and you get to draw with musical instruments accompanying your note making while you take a rest.

Lionel Mora's profile picture
Lionel Mora1 month ago

Thanks for sharing Benji!

Benji ☕️'s profile picture
Benji ☕️1 month ago

Likewise, I’m feeling inspired by your share! It’s truly beautiful. Ty also for the follow, 🙏

Kimber Maddox ☘️⏳🇵🇸🕊️'s profile picture
Kimber Maddox ☘️⏳🇵🇸🕊️1 month ago

I started an oil painting simulator and want to add watercolor next. I love the wet physics you're using

Lionel Mora's profile picture
Lionel Mora1 month ago

We should merge then at some point!

Kimber Maddox ☘️⏳🇵🇸🕊️'s profile picture
Kimber Maddox ☘️⏳🇵🇸🕊️1 month ago

Oh that would be fun - I have yet to collab on a project

AI Mastery Guide's profile picture
AI Mastery Guide1 month ago

Real physics behind pigment spread is such a cool rabbit hole

Lionel Mora's profile picture
Lionel Mora1 month ago

Indeed.

AI Mastery Guide's profile picture
AI Mastery Guide1 month ago

Basing it on real research from '97 instead of faking the look is what makes this actually impressive.

Mehran's profile picture
Mehran1 month ago

this is the coolest thing I’ve seen in a while, nailed it

Lionel Mora's profile picture
Lionel Mora1 month ago

Thank you man!

Andrew Conner's profile picture
Andrew Conner1 month ago

I wonder how much you could make the paper texture interface with the bleed, would look quite cool

eve's profile picture
eve1 month ago

oh. my. gad.

Julik Tarkhanov's profile picture
Julik Tarkhanov1 month ago

I am hearing the rattle of Fractal Designs Painter patent portfolio already... amazing work!

Lionel Mora's profile picture
Lionel Mora1 month ago

Thank you Julik. Painter is still the OG! (but I guess it can't run in a browser tab...)

Bryce Driesenga's profile picture
Bryce Driesenga1 month ago

Very cool! You might be interested in checking out @IOivm's InkField project:

Jon 🎒's profile picture
Jon 🎒1 month ago

this is so beautiful! would love to try something like this myself!

Lionel Mora's profile picture
Lionel Mora1 month ago

I'll put the V2 online!

Jon 🎒's profile picture
Jon 🎒1 month ago

Looking forward to seeing it!

Surf's profile picture
Surf1 month ago

Could you open source this project and link the GitHub page perhaps? I would love to build on top of this and share it further

Lionel Mora's profile picture
Lionel Mora1 month ago

I'll share the V2 repo as soon as I get a chance to work on it. Probably next week-end!

Surf's profile picture
Surf1 month ago

Great!

Jennifer Brauner's profile picture
Jennifer Brauner1 month ago

🫶

john !'s profile picture
john !1 month ago

already so promising, love those weekend experiments. you have to open source it ! :)

Lionel Mora's profile picture
Lionel Mora1 month ago

V2 is now live!

Aarni's profile picture
Aarni1 month ago

I sketched something in the same vein... 9 years ago apparently...

Applemint(stakeholder)'s profile picture
Applemint(stakeholder)1 month ago

wow...

Lionel Mora's profile picture
Lionel Mora1 month ago

I'll share more on that soon!

Hux's profile picture
Hux1 month ago

This is the kind of “controlled chaos” that makes watercolor addictive. Most tools try to give artists more control — you went the opposite way and tried to preserve the best moment of losing it. Once the fluid / pigment / paper model feels right, this could become a whole new primitive for creative tools, not just a pretty demo.

Sean Smith's profile picture
Sean Smith1 month ago

Looks super cool, I was just thinking about how I could incorporate some of this into a design. Look forward to seeing more.

Lionel Mora's profile picture
Lionel Mora1 month ago

More on that soon!

nomi UI/UX Design's profile picture
nomi UI/UX Design1 month ago

Beautiful

Benjamin's profile picture
Benjamin1 month ago

This is awesome, thanks for sharing

Audrey's profile picture
Audrey1 month ago

try ink painting!

Лапы🦊хуѩпы's profile picture
Лапы🦊хуѩпы1 month ago

so far looks good

Floris van Driel's profile picture
Floris van Driel1 month ago

Wow! It renders insanely good

WeDirectory's profile picture
WeDirectory1 month ago

superr innovative since digital brushes only simulate the stroke itself and not what the water does after!!

Kosta's profile picture
Kosta1 month ago

this is really nice

Lionel Mora's profile picture
Lionel Mora1 month ago

Thanks Kosta!

Wiz 🦆's profile picture
Wiz 🦆1 month ago

Sweet

fay's profile picture
fay1 month ago

hell ya

Swasti Solanki's profile picture
Swasti Solanki1 month ago

Very cool!

Minh Do's profile picture
Minh Do1 month ago

When GitHub?!!!!

Lionel Mora's profile picture
Lionel Mora1 month ago

I'll share it with the V2!

Andrew 😵‍💫's profile picture
Andrew 😵‍💫1 month ago

this looks good!

Lionel Mora's profile picture
Lionel Mora1 month ago

Thank you Andrew!

Feng Liang's profile picture
Feng Liang1 month ago

this is so cool! when can we access it!?

Lionel Mora's profile picture
Lionel Mora1 month ago

This is a first prototype but I'll put the V2 online this week!

chance's profile picture
chance1 month ago

lovely!

Casper Overgaard's profile picture
Casper Overgaard1 month ago

Looks amazing - would dust off my wacom for this

Jamine Ackert 🌸's profile picture
Jamine Ackert 🌸1 month ago

That’s the moment in painting with watercolours that I love, too! Nice work!

Lionel Mora's profile picture
Lionel Mora1 month ago

Thank you Jamine!

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