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Advice For Improving dForce Hair Sim

MrRogerSmithMrRogerSmith Posts: 133
in Technical Help (nuts n bolts)

I'm attaching the before and after results of a dForce simulation with default simulation settings.  The model is posed horizontally so the hair is expected to fall to the ground, but you can see it doesn't really move much at all.

The particular hair asset I'm using here is dForce AK Curly Long Hair.  However, all dForce hairs I've tried to use I get just about the same results.  They don't move very much at all.  I find dForce hair harder to pose manually with than mesh hair--in fact, the dForce hairs seem often to be nearly impossible to manipulate manually, either in Daz or Blender.  So if the dForce sim doesn't do much then I'm not sure why it gets made so much.  I feel like I must be missing something obvious since it's so popular.

I've tried messing with the base simulation settings, including doubling gravity.  The individual hair surfaces have quite a lot of simulation settings, but honestly even after paying for a dForce tutorial course I feel like I'm just randomly moving stuff and hoping for the best.

Do you have any tips for setting up dForce hair to act more as expected?

Is VWD Cloth and Hair a better option for hair sims?

Crazy idea, but can Marvelous Designer be used for better hair sims?

Comments

  • Richard HaseltineRichard Haseltine Posts: 109,038

    A lot of dForce hairs use the system for strand-based hair that doesn't require huge system resources, the dynamic component is often fairly limited. This is frustrating, but if the hair is to keep its shape there are limits to how dynamic it can be.

  • crosswindcrosswind Posts: 9,686
    edited February 25

    The reason why the hair doesn't drape well with this G9 pose is because of lacking more proper settings on its dynamic surfaces....

    You can go to Surfaces pane with the hair selected, select all surfaces, filter by "constraint", then tweak the values as the attached screenshot. Also reduce Damping value to 0.1 ~ 0.2.

    This is a strand-based hair so neither VWD nor Marvelous Designer can be used for it ~~

    SNAG-2026-2-25-004.png
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    SNAG-2026-2-25-005.png
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    Post edited by crosswind on
  • MrRogerSmithMrRogerSmith Posts: 133

    crosswind said:

    The reason why the hair doesn't drape well with this G9 pose is because of lacking more proper settings on its dynamic surfaces....

    You can go to Surfaces pane with the hair selected, select all surfaces, filter by "constraint", then tweak the values as the attached screenshot. Also reduce Damping value to 0.1 ~ 0.2.

    This is a strand-based hair so neither VWD nor Marvelous Designer can be used for it ~~

    Thanks Crosswind, that does make a difference. 

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