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Problems with dynamics

DisparateDreamerDisparateDreamer Posts: 2,511
edited December 1969 in The Commons

Since 4.5 and up, I think, there's been this problem with dynamics (yes, using the dynamics control plugin, most recent version, with DS 4.6, clean install of both).

The problem is that sometimes when the clothing is set to collide with something- such as a floor, or a chair, it will stop colliding with the person, even though it is ALSO told to collide with V4.

For example, if I have a dress, and its set to collide with V4, and the floor. Long before it ever reaches he floor, the simply falls right through V4 and falls down tot he floor. Turn off floor collision, and it will collide with V4.

It's a real serious issue, IMO, very buggy. SOMETIMES, i can use a plane instead of the floor, but sometimes, i'm using a terrain with rocks and such, and a plane and primitives won't work.

Why is this happening?? How can I fix it?

Comments

  • Richard HaseltineRichard Haseltine Posts: 102,344
    edited December 1969

    Please report this as a bug - even if it's unpredictable and hard to reproduce, DAZ may be able to track the cause down with enough information.

  • VanguardVanguard Posts: 486
    edited December 1969

    I had this happen to me all of the sudden just the the day, exactly as you describe.
    The remedy, for me, was this. THere may be some steps that weren't necessary, but this is what I did and collision started working again.

    The scene was one G2f, one dynamic cloth sheet and one plane object to act as a floor.
    This setup has worked for me plenty of times in the past, but this time I made the plane object really big, like 222m square but only 10 sub divisions and I got the collision problem.

    to fix it I did this,

    delete the plane
    recreate the plane, same size but with 100 sub divisions.
    Save scene
    Reload scene
    Set cloth to collide with G2F and plane

    collision was working after that

  • Richard HaseltineRichard Haseltine Posts: 102,344
    edited December 1969

    A big plane with relatively few subdivisions would be a problem, you do need to have enough edges on the plane to catch the cloth.

  • M F MM F M Posts: 1,388
    edited September 2013

    Alia's problem is that it wasn't colliding with V4... which surely has enough subdivisions...

    ... I thought the collision settings were limited to colliding with a single entity? ... or can the dynamic plugin handle colliding with "person + floor" now? (sorry, haven't used it recently <(^_^)...)</p>

    Post edited by M F M on
  • VanguardVanguard Posts: 486
    edited December 1969

    M F M said:
    Alia's problem is that it wasn't colliding with V4... which surely has enough subdivisions...

    ... I thought the collision settings were limited to colliding with a single entity? ... or can the dynamic plugin handle colliding with "person + floor" now? (sorry, haven't used it recently <(^_^)...)</div>

    Dynamic plugin has always handled multiple collisions AFAIK. Conforming does not; can define only one collision object.

    I know it sounds odd that not being able to collide with the plane causes the V4 collision to fail, but that is what it was doing. Interestingly it was colliding with a control object when it was failing to collide with the plane or G2F figure. Go figure :P

  • JaderailJaderail Posts: 0
    edited December 1969

    M F M said:
    Alia's problem is that it wasn't colliding with V4... which surely has enough subdivisions...

    ... I thought the collision settings were limited to colliding with a single entity? ... or can the dynamic plugin handle colliding with "person + floor" now? (sorry, haven't used it recently <(^_^)...)</div>

    Was always working with more than one item for me. The full plugin anyway. I never used the default one very much.
  • M F MM F M Posts: 1,388
    edited December 1969

    Jaderail said:
    M F M said:
    Alia's problem is that it wasn't colliding with V4... which surely has enough subdivisions...

    ... I thought the collision settings were limited to colliding with a single entity? ... or can the dynamic plugin handle colliding with "person + floor" now? (sorry, haven't used it recently <(^_^)...)</div>

    Was always working with more than one item for me. The full plugin anyway. I never used the default one very much.

    Oh... I must have been thinking of the default one...
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