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dForce strange attractors

marblemarble Posts: 7,500
edited January 2022 in Daz Studio Discussion

Here's an example of a quirk with dForce that is quite bothersome.

This morning I bought this dress because it has buttons which can be opened. Well, actually that's not quite correct: I was a little disappointed to find that there are no parameter sliders to open the dress; instead there are four different load options with the dress in four different states of "openness". However, I digress.

The problem I have which is ongoing with dForce is that the mesh gets pulled towards other mesh objects quite unpredictably. Quite often these are fingers or props which are visible to the simulation even though they are not in contact with the cloth mesh. Yes, we can turn off visibility but it looks to me like a bug.

This dress shows the problem in a different way. After loading the version with a partial skirt open and ran the simulation, I find that one flap of the skirt is attracted to the other so the drape does not work as intended. I just wonder if anyone has advice abut how to stop dForce from being dragged towards unattached mesh?

dfsa.jpg
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Post edited by marble on

Comments

  • Richard HaseltineRichard Haseltine Posts: 102,185

    As for undoing, there are probably dForce add-ons parented to the dress, one per button, and you can also undo it by deleting those.

  • marblemarble Posts: 7,500

    Richard Haseltine said:

    As for undoing, there are probably dForce add-ons parented to the dress, one per button, and you can also undo it by deleting those.

    Yes indeed, every button has simulation properties that I don't understand. Maybe you (or someone) could elaborate? 

  • PetraPetra Posts: 1,156

    May I ask what dress this is?

  • marblemarble Posts: 7,500

    I linked it in the text but it is this one ...

    dForce Asymmetric Button Dress for Genesis 8 Females | Daz 3D

  • Richard HaseltineRichard Haseltine Posts: 102,185

    marble said:

    Richard Haseltine said:

    As for undoing, there are probably dForce add-ons parented to the dress, one per button, and you can also undo it by deleting those.

    Yes indeed, every button has simulation properties that I don't understand. Maybe you (or someone) could elaborate? 

    If I am right, go to the Scene pane, expand the Genesis 8 figure, then the dress, and you should see new nodes (not bones) for each button - not Rigid Follow nodes with a button parented to them, but probably figures probably with add-on or closure or the like in the name. Select the ones you don't want and turn Off Visible in Simulation in the Parameters pane. The add-ons are invisible ties that attach two (or more) vertices to each other.

  • docbotherdocbother Posts: 107

    It is almost like the buttons or the dress have a really high friction value so that if they touch at some point in the simulation they get stuck like superglue. That's just a WAG.

  • marblemarble Posts: 7,500
    edited January 2022

    Richard Haseltine said:

    marble said:

    Richard Haseltine said:

    As for undoing, there are probably dForce add-ons parented to the dress, one per button, and you can also undo it by deleting those.

    Yes indeed, every button has simulation properties that I don't understand. Maybe you (or someone) could elaborate? 

    If I am right, go to the Scene pane, expand the Genesis 8 figure, then the dress, and you should see new nodes (not bones) for each button - not Rigid Follow nodes with a button parented to them, but probably figures probably with add-on or closure or the like in the name. Select the ones you don't want and turn Off Visible in Simulation in the Parameters pane. The add-ons are invisible ties that attach two (or more) vertices to each other.

    I take it you mean the Button Links in the scene tab? Even so, I'm not sure how that will help. The thing is that I have other dresses which open and they have a parameter slider which pulls the cloth aside (a morph, I assume). This dress comes with four different load states as you can see in the screen shot. So If I have the character wearing the dress in a series of scenes (which is how I work with DAZ Studio) then I have to delete and load another dress option if I want to show an unbuttoned drape. I do make my own morphs for clothing quite often but my skills (and software options) are limited.

    Nevertheless, this is something of a distraction from the original question about why dForce has this odd habit of sticking to mesh that it is not initially touching. To be clear, I wasn't saying that the dress is being pulled towards the buttons. In the image attached to my OP the mesh to which the dress is stuck is actually the left thigh of G8F. A real-life drape would have that flap of the dress falling but that corner of material just sticks like glue to the thigh.

    dfsa_01.jpg
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    dfsa_02.jpg
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    dfsa_03.jpg
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    Post edited by marble on
  • Richard HaseltineRichard Haseltine Posts: 102,185

    Yes, the Button Links will be the ties. The different presets will have different numbers of those included.

  • marblemarble Posts: 7,500

    Richard Haseltine said:

    Yes, the Button Links will be the ties. The different presets will have different numbers of those included.

    Thanks - that does the trick if I want to remove the influence of the buttons and then drape which turns out to have better results than I expected.  

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