tudorbest Posted December 31, 2025 Posted December 31, 2025 So I tested this out and it works with Sexlab for UBE and 3BA with normal TNG and TNG TRX Addon but only vaginal if I try anal animations the penis still goes inside the vagina. And a fun fact if you do a sexlab scene with a npc/follower then you do a ostim or a flowergirl scene with the same npc/follower the penis starts to bend just like in the sexlab scene if I try a ostim or a flowergirls scene before I do a sexlab scene on that npc/follower it won't work after doing a sexlab scene with them and getting the penis animation to work it's starts working on that npc/follower only it won't work with another npc/follower if I don't have a sexlab scene with them yet interesting.
NCK30 Posted December 31, 2025 Posted December 31, 2025 6 hours ago, asdt123123 said: Not sure what you mean by SOS adjustment, and Sexlab adjustments? Head fixed in the same coordinate? Again, not sure what you mean. In your videos they are clearly moving? With SOS Full You can normally adjust penis position from -9 to 9. I do this a lot as an Animator. This is disabled with your mod. Any attempt to change the penetration point just bends the penis more. The Genitals6 bone aka penis head is stuck and will not move. Using SAM to manipulate the penis has no effect either. The penis is moving/bending in the video. But the pussy lips are completely static and not moving at all. By default they open and close depending on the level of thrust with my CBPC setup. Now they are just static according to the values set in the config file. This mod is not compatible with the Anus mod here on LoversLab.
asdt123123 Posted December 31, 2025 Author Posted December 31, 2025 (edited) 1 hour ago, NCK30 said: With SOS Full You can normally adjust penis position from -9 to 9. I do this a lot as an Animator. This is disabled with your mod. Any attempt to change the penetration point just bends the penis more. The Genitals6 bone aka penis head is stuck and will not move. Using SAM to manipulate the penis has no effect either. The penis is moving/bending in the video. But the pussy lips are completely static and not moving at all. By default they open and close depending on the level of thrust with my CBPC setup. Now they are just static according to the values set in the config file. This mod is not compatible with the Anus mod here on LoversLab. Yeah this mod takes full control over the penis bending. Previous algorithm used the penis position in it's bezior curve solver, but it was just super unpredictable and looked terrible 50% of the time. Not sure what you mean about the Genitals6 bone being stuck, unless you mean while penetrating. Again, this mod completely controls the schlong in every aspect during animations. The boring vagina/anus animations wouldn't be difficult to solve. You should show me that part in the CBPC config so I can get an idea of what they do. It is compatible with that mod, you just need to put '"HandleOpeningPhysics": false' in your accurate-pentration.json. That way the penetration will be handled by CBPC instead or whatever other mod you're using. Keep in mind though, this mod fully simulates the penis whereas CBPC treats the penis as 1-2 capsules. So the collision might be a bit off on CBPC. Edit: forgot to mention, you can just toggle this mod on/off using F1. Next update I'll make these keys configurable. Edit2: While looking at that gif you posted, I actually thought of something. Since collision is mostly predictable with this mod, technically I (or anyone else) can add more elaborate sex effects. Like applying physical forces on those cheeks depending on the thrust speed of the penis. Edited December 31, 2025 by asdt123123 2
asdt123123 Posted December 31, 2025 Author Posted December 31, 2025 1 hour ago, tudorbest said: So I tested this out and it works with Sexlab for UBE and 3BA with normal TNG and TNG TRX Addon but only vaginal if I try anal animations the penis still goes inside the vagina. And a fun fact if you do a sexlab scene with a npc/follower then you do a ostim or a flowergirl scene with the same npc/follower the penis starts to bend just like in the sexlab scene if I try a ostim or a flowergirls scene before I do a sexlab scene on that npc/follower it won't work after doing a sexlab scene with them and getting the penis animation to work it's starts working on that npc/follower only it won't work with another npc/follower if I don't have a sexlab scene with them yet interesting. Enable debug logging in the config, and verify the animations have "Anal" or "anal". Case sensitive.
asdt123123 Posted December 31, 2025 Author Posted December 31, 2025 Quick little test release if anyone's interested. Changelog: - Added "FutasUseAnus" (Default is FALSE in the config!!!): This will make Futa characters always use anal during vaginal intercourse. - Tightened up collision a bunch more. I actually was using the wrong collision field for the orifice openings, woops. So if the penis exits, hole should close... - Fixed a recursion bug with man on man. Woops. - Something else minor but I forgot? The futa detection checks if the actor has a "penis" bone. Which is usually derived from SMP configs. So if your futa isn't using SMP, it MIGHT not detect? Idk? Unbeknownst to me, female characters actually have all the schlong bones attached to their body by default. So couldn't use those for detection. PPA - Penetration Physics.zip
tudorbest Posted December 31, 2025 Posted December 31, 2025 (edited) So anal penetration also works if u start with an anal sexlab animation instead of vaginal one. But the same problem appears if you start with an anal sexlab animation now the penis will go by itself only to anal penetration even if u use a vaginal animation. For ostim anal worked as well for anal animations now and if I picked vaginal ones it would still go to anal instead of vaginal. Edit: I tried changing HandleOpeningPhysics to false and i'm using CBPC Separate Anal Collision now for the anal animation the anus opens but the penis animation goes inside the vagina instead of the anus without opening the vagina. With this disabled now the penis animation doesn't goes inside the anus anymore only inside the vagina no matter if the animation is an anal one or vaginal. Edited December 31, 2025 by tudorbest
asdt123123 Posted December 31, 2025 Author Posted December 31, 2025 29 minutes ago, tudorbest said: So anal penetration also works if u start with an anal sexlab animation instead of vaginal one. But the same problem appears if you start with an anal sexlab animation now the penis will go by itself only to anal penetration even if u use a vaginal animation. For ostim anal worked as well for anal animations now and if I picked vaginal ones it would still go to anal instead of vaginal. Edit: I tried changing HandleOpeningPhysics to false and i'm using CBPC Separate Anal Collision now for the anal animation the anus opens but the penis animation goes inside the vagina instead of the anus without opening the vagina. With this disabled now the penis animation doesn't goes inside the anus anymore only inside the vagina no matter if the animation is an anal one or vaginal. Like I said, you need to enable debug logging. It's senseless to waste time guessing when the logs can tell us everything
zenonthez07 Posted December 31, 2025 Posted December 31, 2025 2 hours ago, asdt123123 said: It is compatible with that mod, you just need to put '"HandleOpeningPhysics": false' in your accurate-pentration.json. That way the penetration will be handled by CBPC instead or whatever other mod you're using. Keep in mind though, this mod fully simulates the penis whereas CBPC treats the penis as 1-2 capsules. So the collision might be a bit off on CBPC. Is there a way for your mod to Handle Opening Physics while still keeping the Anus closed? I think that's what most users are looking for. If not, would you consider it in a future revision of your mod?
ruggsy9 Posted December 31, 2025 Posted December 31, 2025 Great mod!! no more dicks poking out.. Any plans to make a strap-on version??
naototti10 Posted January 1 Posted January 1 (edited) MODありがとうございます。私のセットアップは女性3BA、男性TNGです。ほとんど問題なく動作していますが、CTDが発生しました。Skyrim 1.5.97 Crash_2026_1_1_9-2-54.txt Edited January 1 by naototti10
asdt123123 Posted January 1 Author Posted January 1 51 minutes ago, zenonthez07 said: Is there a way for your mod to Handle Opening Physics while still keeping the Anus closed? I think that's what most users are looking for. If not, would you consider it in a future revision of your mod? It already does that. That's why I coded the opening/closing logic directly into the mod rather than relying on CBPC which only has very basic collision detection. 30 minutes ago, ruggsy9 said: Great mod!! no more dicks poking out.. Any plans to make a strap-on version?? If they use a similar rig to SOS schlongs sure. It's possible they are already supported 6 minutes ago, naototti10 said: MODありがとうございます。私のセットアップは女性3BA、男性TNGです。ほとんど問題なく動作していますが、CTDが発生しました。Skyrim 1.5.97 Crash_2026_1_1_9-2-54.txt 63.34 kB · 1 download Lots of unicode characters being pushed around. You most likely have unicode characters in your Sexlab animation tags (Like Japanese characters, Chinese, etc). Verify whether that's the case for me. If it's crashing 1-2 seconds after an animation starts that's most likely it.
ruggsy9 Posted January 1 Posted January 1 (edited) 1 hour ago, asdt123123 said: It already does that. That's why I coded the opening/closing logic directly into the mod rather than relying on CBPC which only has very basic collision detection. If they use a similar rig to SOS schlongs sure. It's possible they are already supported Actually there are no strap-ons working with collision SMP/CBPC. That I have located. I have tried all so-called fixes and collision strap-on versions and none have worked, well NOT with 3ba or and UBE body, which is the only bodies worth using. With Sexlab and or Flowergirl's strap-ons. Edited January 1 by ruggsy9
Dragneel013 Posted January 1 Posted January 1 I have not try this mod out yet but does the sos react to npc hands or feet? What about a.b.c?
asdt123123 Posted January 1 Author Posted January 1 Another test release (Compounded with the previous) Changelog: - Added Mouth support From previous test release: Quote - Added "FutasUseAnus" (Default is FALSE in the config!!!): This will make Futa characters always use anal during vaginal intercourse. - Tightened up collision a bunch more. I actually was using the wrong collision field for the orifice openings, woops. So if the penis exits, hole should close... - Fixed a recursion bug with man on man. Woops. - Something else minor but I forgot? The futa detection checks if the actor has a "penis" bone. Which is usually derived from SMP configs. So if your futa isn't using SMP, it MIGHT not detect? Idk? Unbeknownst to me, female characters actually have all the schlong bones attached to their body by default. So couldn't use those for detection. PPA - Penetration Physics.zip 3
asdt123123 Posted January 1 Author Posted January 1 (edited) 39 minutes ago, jerryrhp said: Waiting smp and bhunp version! 🙂 No plans for a SMP version. It's just too spastic and unpredictable, meaning I would have to hook into a significant amount of their code to correct/control it. Which will be super prone to breakage. This isn't an outright NO - just not interested atm. Edit: I may try hooking their hook so I can force feed it proper transforms. Mainly to fix Predator's mouth physics mod - but it should fix all other issues maybe. BHUNP should be supported? I wont personally be doing that body's offsets because it'll probably be a pain in the ass to install it given I use both 3BA and UBE. Super easy to add the offsets though. 13 minutes ago, Dragneel013 said: I have not try this mod out yet but does the sos react to npc hands or feet? What about a.b.c? No to all. 30 minutes ago, ruggsy9 said: Actually there are no strap-ons working with collision SMP/CBPC. That I have located. I have tried all so-called fixes and collision strap-on versions and none have worked, well NOT with 3ba or and UBE body, which is the only bodies worth using. With Sexlab and or Flowergirl's strap-ons. You would have to link me to a strap on for Skyrim SE that isn't from 2014. All it needs is standard SOS bones and it'll work perfectly Edited January 1 by asdt123123
Mizusawa_omega Posted January 1 Posted January 1 28 minutes ago, asdt123123 said: Another test release (Compounded with the previous) Changelog: - Added Mouth support From previous test release: PPA - Penetration Physics.zip 311.64 kB · 1 download anal tag animation working great. nice
billypnats Posted January 1 Posted January 1 (edited) am i the only one with stuttering issue during sexlab ? I got a pretty beefy PC btw Edited January 1 by billypnats
asdt123123 Posted January 1 Author Posted January 1 23 minutes ago, billypnats said: am i the only one with stuttering issue during sexlab ? I got a pretty beefy PC btw I benchmarked it and found only ~0.01ms to be the highest tick. I could give you a version with a quick benchmark if you'd like. You should consider using Sexlab P+ too - it's got it's own annoying issues but it's for sure fast as fuck. Usually stutters are due to issues like mods reloading config files and what not. Many mods that toggle physics will cause stutters. Applying sperm layers will cause sutters. Adjusting morphs takes up to 50ms at times. This mod does a bunch of matrix math, but on any modern CPU that's literally nothing. So if this mod IS the cause of your issues, I'd assume it's a mod conflict issue. Some mod is freaking out that my mod is messing with the penis. Make sure you get all the engine fixes, and optimization mods too. https://www.nexusmods.com/skyrimspecialedition/mods/17230 https://www.nexusmods.com/skyrimspecialedition/mods/77779 https://www.nexusmods.com/skyrimspecialedition/mods/76867 https://www.nexusmods.com/skyrimspecialedition/mods/34705 Never tried this one, but people commonly suggest it: https://www.nexusmods.com/skyrimspecialedition/mods/67968
Mizusawa_omega Posted January 1 Posted January 1 when i use "time pause" of photo mode, sos penis became to super long
asdt123123 Posted January 1 Author Posted January 1 5 minutes ago, Mizusawa_omega said: when i use "time pause" of photo mode, sos penis became to super long Havok will take over if the game is paused. That's why when you enter console, the penis shifts back to it's original spot. It'd suggest you just temporarily pause the mod (F1 for old version, or F2 for new in ~ console) before freezing the game.
billypnats Posted January 1 Posted January 1 (edited) 48 minutes ago, asdt123123 said: I benchmarked it and found only ~0.01ms to be the highest tick. I could give you a version with a quick benchmark if you'd like. You should consider using Sexlab P+ too - it's got it's own annoying issues but it's for sure fast as fuck. Usually stutters are due to issues like mods reloading config files and what not. Many mods that toggle physics will cause stutters. Applying sperm layers will cause sutters. Adjusting morphs takes up to 50ms at times. This mod does a bunch of matrix math, but on any modern CPU that's literally nothing. So if this mod IS the cause of your issues, I'd assume it's a mod conflict issue. Some mod is freaking out that my mod is messing with the penis. Make sure you get all the engine fixes, and optimization mods too. https://www.nexusmods.com/skyrimspecialedition/mods/17230 https://www.nexusmods.com/skyrimspecialedition/mods/77779 https://www.nexusmods.com/skyrimspecialedition/mods/76867 https://www.nexusmods.com/skyrimspecialedition/mods/34705 Never tried this one, but people commonly suggest it: https://www.nexusmods.com/skyrimspecialedition/mods/67968 by morphs are you talking about morphs inthe racemenu ? I'm running UBE so maybe thats why yep, switching race to non ube makes the problem go away Confirm that zero-ing out morph sliders in UBE made everything work faster Edited January 1 by billypnats
asdt123123 Posted January 1 Author Posted January 1 (edited) 10 minutes ago, billypnats said: by morphs are you talking about morphs inthe racemenu ? I'm running UBE so maybe thats why UBE is fine, but some mods may be randomly changing morphs. To notice that lag, you'd need to be consuming like ~10ms a tick if not more. That'd require some serious computation or just IO. Maybe check your papyrus logs for errors. And make sure you don't have 'DebugLogging' enabled on this mod. It will literally print to the logs every frame if you do. Edit: Maybe try to disable SMP on the body? Maybe SMP is freaking the fuck out. I personally use UBE SMP-CBPC Best of Both Worlds from the UBE discord. It's largely CBPC. Edited January 1 by asdt123123
ruggsy9 Posted January 1 Posted January 1 (edited) 4 hours ago, asdt123123 said: No plans for a SMP version. It's just too spastic and unpredictable, meaning I would have to hook into a significant amount of their code to correct/control it. Which will be super prone to breakage. This isn't an outright NO - just not interested atm. Edit: I may try hooking their hook so I can force feed it proper transforms. Mainly to fix Predator's mouth physics mod - but it should fix all other issues maybe. BHUNP should be supported? I wont personally be doing that body's offsets because it'll probably be a pain in the ass to install it given I use both 3BA and UBE. Super easy to add the offsets though. No to all. You would have to link me to a strap on for Skyrim SE that isn't from 2014. All it needs is standard SOS bones and it'll work perfectly nifs and textures.. the NIF file was my attempt at sos+strap-on strap-on flower girls.7z just nif.7z Edited January 1 by ruggsy9 more info
asdt123123 Posted January 1 Author Posted January 1 2 minutes ago, ruggsy9 said: nifs and textures strap-on flower girls.7z 6.24 MB · 0 downloads Yeah that thing has zero bones. This mod appears to have all the bones. Should (in theory) work perfect with this mod. Lmk
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