Plugins + Scripts Orifice Dynamics

Skynet · Friday at 9:15 AM

Skynet updated Orifice Dynamics with a new update entry:

update v13

-- Minor fixes & Optimization:
- Fixed plugin not destroying mouth girth triggers on plugin removal.
- Further optimizations to heap memory allocation. (idle consumes 10mb every 17s, during penetration 10mb every 7s)
- Compatibility with Dynamic Limbs plugin, by ignoring detection of all trigger colliders in the scene.

Read the rest of this update entry...

Mopze · Friday at 12:08 PM

For some reason the belly bulge is not working anymore since 2 updates... did i do something wrong? I delete the older version everytime.. Edit: I just found out it only happens when i add it to an excisting scene.. if i do a new one it works finde.. i checked all plugins i user after another but none seems to break it... i am confused...

Case · 2025-11-15T13:35:50-0500

@Skynet Awesome work! Especially the "guiding curves" - I've thought about something like that a while ago, but never had the coding skills for it. One thing I never worked out was how to extrapolate the curve outside the body - how do you solve that? I'd guess that inside the body, one could use the position of suitable colliders to determine the knots for a suitable interpolation curve, but outside the body, that turns into an extrapolation problem: How to extend that interpolated curve such that it is sufficiently continuous? Some boundary conditions on curvature and tension of the spline maybe? (Kochanek-Bartels splines or something similar?) Or maybe something completely different?

Anyhow - great work, and thanks so much for publishing this for free!

Skynet · 2025-11-15T15:35:13-0500

Case said:
@Skynet Awesome work! Especially the "guiding curves" - I've thought about something like that a while ago, but never had the coding skills for it. One thing I never worked out was how to extrapolate the curve outside the body - how do you solve that? I'd guess that inside the body, one could use the position of suitable colliders to determine the knots for a suitable interpolation curve, but outside the body, that turns into an extrapolation problem: How to extend that interpolated curve such that it is sufficiently continuous? Some boundary conditions on curvature and tension of the spline maybe? (Kochanek-Bartels splines or something similar?) Or maybe something completely different?

Anyhow - great work, and thanks so much for publishing this for free!

i'm glad and thanks! I used the Catmull-Rom spline (Centripetal) equation to interpolate between select points from the body bones:

Centripetal Catmull–Rom spline - Wikipedia

en.wikipedia.org

For the extrapolation outside the body it is very simple, you can do it by adding position offsets to the reference points like i am already doing in the plugin. (read from lines 788 to 819)

Skynet · 2025-11-15T18:36:00-0500

Mopze said:
For some reason the belly bulge is not working anymore since 2 updates... did i do something wrong? I delete the older version everytime.. Edit: I just found out it only happens when i add it to an excisting scene.. if i do a new one it works finde.. i checked all plugins i user after another but none seems to break it... i am confused...

maybe you had soft body physics disabled when you loaded the plugin in those scenes (required for plugin to work correctly), try again but enable it on the person first then load the plugin later

Mopze · 2025-11-16T03:16:03-0500

Skynet said:
maybe you had soft body physics disabled when you loaded the plugin in those scenes (required for plugin to work correctly), try again but enable it on the person first then load the plugin later

hmm, softbody physics is always enabled in my scenes. I'll find out what plugin crashes it.

Skynet · 2025-11-16T04:25:22-0500

Mopze said:
hmm, softbody physics is always enabled in my scenes. I'll find out what plugin crashes it.

aight it'll be helpful if you can pinpoint which plugin is causing it

Plugins + Scripts Orifice Dynamics

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Centripetal Catmull–Rom spline - Wikipedia

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Mopze

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Skynet

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