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Fox girl is back! But this time it's because I had something I had to test and she seemed as good a test subject as any.

I might have made a bit of a breakthrough in making cum look good in Eevee! Well, better, anyway. I was so excited to try it out I had to whip up this animation super duper fast to try it on, so forgive any sloppiness there, foxgirl is only taking a load to the face so I can play with some new tech.

See, making good looking fluids in a real-time renderer is tricky. The problem is that, as a translucent fluid, cum has variable opacity- you'd expect a thin layer of it to be virtually transparent, but a thick glob of it to be a nice milky white. There's a tool for doing this, volumetric shading. See, normally when we apply a shader to an object ("shader" being the thing what makes a thing look like it looks, yeah?), we're applying it to the object's surface. If you make an object shiny, you're making it's surface shiny, for example. When you try to apply transparency to an object's surface, you just get a uniform transparency and it looks bad. It's what makes eevee fluids look like... y'know, that. Like they do. Fortunately, it's also possible to shade an object's volume (it's insides), which is exactly what we need. Unfortunately, while this is possible in eevee it's either bugged right now or not up to the task (or I can't figure out how to work it after the recent update) because when I try I get really broken results that don't show half the fluids and don't look all that good. Volumetric shading is out.

But I think I found a workaround! Using geometry nodes, a "raycast" node specifically, I can fire a ray from every point of the geometry directly away from the camera, targeting itself and keep track of what it hits, and more importantly, the distance to that hit. That distance basically acts as a sort of screen space "thickness" effect, and that can be piped into a shader and use for effects like... what you see here! It's not perfect... ideally it would actually use refraction instead of transparency, but that also seems to be bugged at the moment (it has a habit of showing me lights through solid objects, which is a big of a problem when you want rim lighting on your characters), but once/if that hopefully gets fixed this should look even better. There's also a bit of an art to what I've come up with here, it's not just fire and forget, you really gotta finesse the numbers for a while. I might have allowed it to be a little too transparent here.

Still, personally I think this turned out pretty darn good. Since I no longer have to fight with the fluids being a generic semi-white shade all over, I don't have to have the fluids turn everything they hit white in order to blend them in better, they can actually wet the surface instead.

Basically, long story short- not perfect yet, but much better I think? What do you think?

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    Quake-1

    Member

    Very nice. Especially seeing Tiruan on the giving end. Also the little licks near the end at the ridges. Darn... that's nice.

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    Arnearno

    Member

    I think I just got nerd-sniped by cum. I saw someone getting ray marching working in Eevee, that should be able to do this as a pure shading effect, and now I'll be stuck trying to make that work.

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    Ruaidri

    Member

    arnearno said:
    I think I just got nerd-sniped by cum. I saw someone getting ray marching working in Eevee, that should be able to do this as a pure shading effect, and now I'll be stuck trying to make that work.

    Lemme know if you work it out, that sounds awesome. Being able to do this as a shader would be way better!

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    SirCommentalot

    Member

    Absolutely melted at her expression at the end!!! As always your work is stunningly impeccable and that cum does look great!

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    Emeralddragon2

    Member

    I'm kinda loving how excited Ruaidri is about the technical aspects and the graphical functionality behind the visuals of cum.

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    piratrat

    Member

    ruaidri said:
    What do you think?

    I personally think the world became a better place when you started exploring 3d animation, and it just keeps getting better!

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    AuralErotic

    Member

    Ruaidri said:
    [...] so forgive any sloppiness there, foxgirl is only taking a load to the face so I can play with some new tech.

    Only you, Ru, can make an animation that most any other animator would be jealous of and ask us to forgive the sloppiness. Your modesty knows no bounds.

    Ruaidri said:
    [...] What do you think?

    Looks great! The only thing that could benefit the stains left behind is to somehow create some thin milky streams that gently shift, but that sounds like a texturing nightmare of a whole new order.

    You seem to have a much better handle on the fluid feeling "sticky" than most people, too, but one thing I might suggest you tackle in the future is finding a way to leave a few sticky strings between some formerly-covered strands of fur.

    But, as always - excellent work!

    Updated

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    TheScrew

    Member

    Definitely one of the best cum animations I've seen, ever.
    You've come up with an incredible technique

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    wiley katmerre

    Member

    This is ground-breaking furry erotic art. The way the fluid clarifies and wets the fur is spectacular. I guess the next step would be to figure out how to matte the fur on contact. Great work, as always.

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    SirNobodyOfNothing

    Member

    I'd say you nailed that effect just as well as your characters nail each other, Ruaidri.

    I know this one's a blast from the past, and I don't know how you feel about requests -- but I still want to see your horse character turn that fennec boy from the one video (you remember, the porn shoot?) into a living condom, i.e., spunk balloon.

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