Procedural Penis Animations/Collision [Beta]

[PenBoozerX]

Hey. Works great for females! Hope you get around to updating where dongs need to be pointing when swapping animation types too. Currently I got to just disable this every time when animation is swapping to or from oral. 

 

 

I'm trying to get this to work on male characters as well. In Himbutt there are same node names for anus as female, so I thought just toggling "IgnoreMaleActors": false would be enough, but it doesn't seem to be. Do I need to do something extra to have dongs pointing at male holes too? (doesnt work for mens mouths either so I'm prolly missing a key step here?)

 

Spoiler

 

Edited January 13 by PenBoozerX

[DaMan1]

15 hours ago, gladiador1234 said:

 

top lip works fine , im using expressions ,Only added this mod that modify mouth, previusly used only hdt smp head and lips open wider , but the dick didnt follow a path,

 

this is just an example, sometimes works better but lower lip clips he bottom seems to clip 

skyrim looks like hong kong eh? Love the lighting on outside! What is the mod may i ask?

[NCK30]

Just had to come and sing your praises again. This has revolutionized Skyrim in a way HDT PE and SMP did.

Even old animations allign well now.


I am considering installing many of the sets I dropped before. Just because of this mod.
 

I can't count how many animations I dropped because of bad allignment, where the actual motions were pretty good.


Another side effect is that even with my own opening effects the vagina is now opened pretty much equally with most animations.

Before I was forced to change settings all the time. Cowgirl, Missionary. They would all need different settings.


Still using the 0.0.9 version. This works well with me.

[flatearthertom3]

30 minutes ago, NCK30 said:

Just had to come and sing your praises again. This has revolutionized Skyrim in a way HDT PE and SMP did.

Even old animations allign well now.


I am considering installing many of the sets I dropped before. Just because of this mod.
 

I can't count how many animations I dropped because of bad allignment, where the actual motions were pretty good.


Another side effect is that even with my own opening effects the vagina is now opened pretty much equally with most animations.

Before I was forced to change settings all the time. Cowgirl, Missionary. They would all need different settings.


Still using the 0.0.9 version. This works well with me.

I agree. Just made aligning animations a breeze plus animations look a LOT better. Skyrim starting to feel like a professional grade gooner game

[RedYosh12]

17 hours ago, asdt123123 said:

You would need to show screenshots/gif

https://files.catbox.moe/xf23qz.mp4

It mostly works well with front facing positions like missionary, but most of positions with the off angles really gets messed up like in the vid.
 

[asdt123123]

1 hour ago, RedYosh12 said:

https://files.catbox.moe/xf23qz.mp4

It mostly works well with front facing positions like missionary, but most of positions with the off angles really gets messed up like in the vid.
 

Did you mess with the UBE penis a bunch in bodyslide? The vertex weights look very messed up. 

 

2 hours ago, NCK30 said:

Just had to come and sing your praises again. This has revolutionized Skyrim in a way HDT PE and SMP did.

Even old animations allign well now.


I am considering installing many of the sets I dropped before. Just because of this mod.
 

I can't count how many animations I dropped because of bad allignment, where the actual motions were pretty good.


Another side effect is that even with my own opening effects the vagina is now opened pretty much equally with most animations.

Before I was forced to change settings all the time. Cowgirl, Missionary. They would all need different settings.


Still using the 0.0.9 version. This works well with me.

You might be a good tester for the next version. I changed the algorithm a bunch to model it better for a human erection (Doesn't look so flaccid at times like a worm). Of course if the animation is super offset, that cock is gonna bend like a fucking cheesestick though lol. 

 

4 hours ago, PenBoozerX said:

Hey. Works great for females! Hope you get around to updating where dongs need to be pointing when swapping animation types too. Currently I got to just disable this every time when animation is swapping to or from oral. 

 

 

I'm trying to get this to work on male characters as well. In Himbutt there are same node names for anus as female, so I thought just toggling "IgnoreMaleActors": false would be enough, but it doesn't seem to be. Do I need to do something extra to have dongs pointing at male holes too? (doesnt work for mens mouths either so I'm prolly missing a key step here?)

 

  Reveal hidden contents

 

Turn on the debug options in the config so you can visually see what's going on. Especially look at your logs for this mod

 

5 hours ago, tridbee said:

 

Because I'd like to simulate effect where large penis enters but gets incrementally smaller to fit into smaller vagina/anus. While I understand that users can adjust the vagina/anus opening size and enable PenisClipFix in the JSON, having some control over penis bone scaling would help fixing some of the more annoying clipping when playing with big penis character (10+ size SOS) and PenisClipFix can't quite do it.

It's not actually scaling, just cascading the penis onto it's self. If you adjusted it in anyway - the penis would turn into a glitchy ball of flesh. Maybe I'll add scaling in the future, it's just annoying to deal with since it's persistent and isn't managed by HAVOK. 

[asdt123123]

Here's a test version. I modified the penis solver algorithm more to model it more after a real penis erection. Obviously if the animation is super offset the penis will still bend like crazy just so it doesn't clip. It's also a bit less controlling over the base of the penis area since I noticed it can sometimes cause distortions due to how the vertexes are painted.

 

If it's still making weird bends, you should put the entrance offset more in the hole. My default ones are pretty shit, I'll have to fix them later.

 

Lmk if it's better or worse. Don't recommend comparing on TRX Male (Futa should be fine)- Vector Normal is the best to use for this mod. 

 

 

PPA - Penetration Physics v0.0.15.zip

[RedYosh12]

5 hours ago, asdt123123 said:

Did you mess with the UBE penis a bunch in bodyslide? The vertex weights look very messed up. 

 

Kinda? I don't know what would make the vertex change that much, since most of the changes don't affect specific lengths for each part.

Tested with the default values in bodyslide (all 0), it's still messed up like before. https://files.catbox.moe/ls20c6.mp4

[asdt123123]

52 minutes ago, RedYosh12 said:

Kinda? I don't know what would make the vertex change that much, since most of the changes don't affect specific lengths for each part.

Tested with the default values in bodyslide (all 0), it's still messed up like before. https://files.catbox.moe/ls20c6.mp4

That penis is not going to work well with this mod. Bones are offset, and the vertex paints are problematic. 

 

[Jack005]

On 1/12/2026 at 8:53 PM, asdt123123 said:

Mod doesn't touch facial expressions in any way. That's done through an entirely different system - facial morphs, which this mod doesn't even read. 

 

You can disable this mod for facials by just offsetting the mouth opening by like 1000. Or just toggle it with F2

 

HookPosition: 2, and you need to tweak the offset positions for the mouth slightly in the config. Just turn on bone debug and try to line it up

 

You would need to show screenshots/gif

 

Change the mouth offsets in the config. 

The issue got resolved on its own I dont even know how, I just uninstall some mods completly out of topic, make smash patch, clean save with falrims tool and NetImmerse Override Cleaner SE, and expressions are working as if nothing have happend with your awesome mod of course, thanks for the advice and tips of course, just leving this here just in case it work for someelse

[General Goods]

10 hours ago, asdt123123 said:

Here's a test version. I modified the penis solver algorithm more to model it more after a real penis erection. Obviously if the animation is super offset the penis will still bend like crazy just so it doesn't clip. It's also a bit less controlling over the base of the penis area since I noticed it can sometimes cause distortions due to how the vertexes are painted.

 

If it's still making weird bends, you should put the entrance offset more in the hole. My default ones are pretty shit, I'll have to fix them later.

 

Lmk if it's better or worse. Don't recommend comparing on TRX Male (Futa should be fine)- Vector Normal is the best to use for this mod. 

 

 

PPA - Penetration Physics v0.0.15.zip 373.12 kB · 1 download

Pretty limited testing with all 3 entrance offsets being adjusted to fit my body and be slightly inside the appropriate holes - no issues found with that version.

[Ryo95]

I don't know if that's possible, but would it be nice to have a hotkey allowing to swap between anal and vaginal penetration ?

[xODDxx]

11 hours ago, asdt123123 said:

Here's a test version. I modified the penis solver algorithm more to model it more after a real penis erection. Obviously if the animation is super offset the penis will still bend like crazy just so it doesn't clip. It's also a bit less controlling over the base of the penis area since I noticed it can sometimes cause distortions due to how the vertexes are painted.

 

If it's still making weird bends, you should put the entrance offset more in the hole. My default ones are pretty shit, I'll have to fix them later.

 

Lmk if it's better or worse. Don't recommend comparing on TRX Male (Futa should be fine)- Vector Normal is the best to use for this mod. 

 

 

PPA - Penetration Physics v0.0.15.zip 373.12 kB · 1 download

 

Sorry can you tell me what is the best penis mod and male body mod to use for this? i'm using SAM lite and TRX sos and it's always slightly bending near the base of the penis and looks very jank.

 

 

Edited January 14 by xODDxx

[General Goods]

46 minutes ago, Ryo95 said:

I don't know if that's possible, but would it be nice to have a hotkey allowing to swap between anal and vaginal penetration ?

You can kinda do that by moving the penis "up" and "down" with sexlab hotkeys during scenes.

[asdt123123]

2 hours ago, xODDxx said:

 

Sorry can you tell me what is the best penis mod and male body mod to use for this? i'm using SAM lite and TRX sos and it's always slightly bending near the base of the penis and looks very jank.

 

 

During an animation? Or always? That to me look like you've got your Genitals01 rotated on the X axis by a small amount. 

 

Hands down the best penis for this mod would have to be VectorPlexus Regular from Schlongs of Skyrim. Probably any VectorPlexus schlong will work great. Smurf Average will also likely look great. 

If the penis looks like this in Nifskope it's going to most likely be perfect for this mod:



If only half the penis has bones, it's not going to work well. 


 

2 hours ago, Ryo95 said:

I don't know if that's possible, but would it be nice to have a hotkey allowing to swap between anal and vaginal penetration ?

Planned. 

 

4 hours ago, Jack005 said:

The issue got resolved on its own I dont even know how, I just uninstall some mods completly out of topic, make smash patch, clean save with falrims tool and NetImmerse Override Cleaner SE, and expressions are working as if nothing have happend with your awesome mod of course, thanks for the advice and tips of course, just leving this here just in case it work for someelse

Maybe that weird worm penis issue, but you'll still have offset problems due to the bone being on top of the penis like that. I tested it in my own game and had offset issues too. 

[shardoom]

@asdt123123 could we also have a hotkey for turning the auto mouth/vagina/anus enter stuff off?

Some animations start with say, a thighjob or cockslapping-of-the-face but this mod changes those into insertions, which sometimes looks a little weird.

[General Goods]

30 minutes ago, shardoom said:

@asdt123123 could we also have a hotkey for turning the auto mouth/vagina/anus enter stuff off?

Some animations start with say, a thighjob or cockslapping-of-the-face but this mod changes those into insertions, which sometimes looks a little weird.

F2 in console turns the mod off.

[shardoom]

18 minutes ago, General Goods said:

F2 in console turns the mod off.

 

As a controller user, a configurable hotkey via mcm would be much better. Also much smoother to use in-game.

[NCK30]

1 hour ago, asdt123123 said:

Hands down the best penis for this mod would have to be VectorPlexus Regular from Schlongs of Skyrim. Probably any VectorPlexus schlong will work great. Smurf Average will also likely look great. 

 

Always used the VectorPlexus regular schlong from SOS. Now I am happy that I never made the change.

I can't tell You how good it looks.


I was still doubting, if my LE HDT PE install was better. Now there is no doubt.

Will test the 0.0.15 version. But 0.0.9 was almost perfect.

Maybe You added some new features.


Almost considering trying animations from FunnyBizness, Physche and others now.

[Wastelanddom]

On 1/12/2026 at 10:12 PM, asdt123123 said:

Show a gif. Also penises like TRX Male are inherently bad for this mod because half the schlong isn't skinned or has bones. So only around half of it can bend. All your questions can be answered in the config section in detail.

 

Doubled sound is likely because they're using simple bone distance checks. You can try hookPosition 2 in the config, and maybe change the vaginal/anal canals to better line up with the bone they're using to check. 

 

Ah! i actually tested this and switched off the trx schlong back to the default tng one and it worked much better. Shame as i think the TRX one looks better, is it worth sending pics/gif for TRX or is it sort of a done deal due to how the bones are set up? Will try hook position 2 for the sound later.

 

Thanks again for this awesome mod and for the active support as well! Really above and beyond!

Edited January 14 by Wastelanddom

[NCK30]

I just tried with 1.40 in schlong thickness, and it still looks great.

My Redguard is truly BBC now.

 

 

Actually I still think it could take even more...

[asdt123123]

8 hours ago, Wastelanddom said:

 

Ah! i actually tested this and switched off the trx schlong back to the default tng one and it worked much better. Shame as i think the TRX one looks better, is it worth sending pics/gif for TRX or is it sort of a done deal due to how the bones are set up? Will try hook position 2 for the sound later.

 

Thanks again for this awesome mod and for the active support as well! Really above and beyond!

I don't think TRX looks that bad, it just doesn't bend half the penis. I still have it installed personally. IMO it's only really a problem during deep throat animations, because the penis only starts to bend after it's already moved a good amount past the throat. So might clip a little. Gifs/etc are always welcome, you could possibly be experiencing other issues for all I know. Btw, make sure you've got BoneDebug, and PenisDebug enabled in the gif so we can see exactly what's going on.

 

 

 

9 hours ago, shardoom said:

 

As a controller user, a configurable hotkey via mcm would be much better. Also much smoother to use in-game.

Can change it in the json config

 

 

 

[Anonymous Sectoid]

I have this issue where the vagina stays open after the SL scene, running 0.0.15 with Softbody (with PPA patch) and SL P+, setting PPA's json :HandleOpeningPhysics seems to prevent this.

[asdt123123]

24 minutes ago, Anonymous Sectoid said:

I have this issue where the vagina stays open after the SL scene, running 0.0.15 with Softbody (with PPA patch) and SL P+, setting PPA's json :HandleOpeningPhysics seems to prevent this.

HandleOpeningPhysics : false? I'll make sure to manually clear the transforms after a scene is over on this mod to avoid that. Should of been doing that from the start. Thanks! 

 

Make sure you use HookPosition 2 with that body btw! 

[nichio]

Your mod is hands down the most revolutionary & influential mod I have seen in all (over 10) my Skyrim moding years!

The only glitch I faced was a sudden 'SMP goin nuts' situation where penis (only) started stretching to oblivion and in the end disappeared totally.

Reloaded the game, everything ok.

 

My only wish now is that someone will do something similar for hand collisions in the future...

 

Thx a bunch, you are the best!