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  1. #1
    Join Date
    Jun 2003
    Location
    Nottinghamshire
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    234

    animation baking on ik driven splines

    Hi

    I have a number of splines with spline IK control modifier on them, and enable in viewport and renderer checked to give the impression of a hose. I have then added ik HI solvers to the point helpers created by the spline IK control modifier.

    After animating the IK chain, the splines are animated nicely. The problem is I need to collapse all of the splines into one object and maintain the animation provided by the IK solvers, so I can add a flex modifier to give the impression of a rubber hose.

    I've tried adding an edit poly modifier to each spline and then flex followed by a point cache modifier, but when I click disable modifiers below the animation is lost...presumably the point cache doesnt work when the animation is provided by a parent.

    I've also tried duplicating the splines and helpers and then collapsing to an editable mesh, followed by adding a skin wrap to the collapsed mesh, then adding each of the splines as skin wrap parameters...but this doesnt work either, I dont see any animation on the skin wrapped object.

    I also tried exporting as fbx with baked animation, but the splines dont export to the resulting fbx file.

    So my question is, how do I bake the resulting ik driven animation directly into the splines, so I can delete the IK rig/helpers.

    Cheers

    Mik.

  2. #2
    Join Date
    Jun 2003
    Location
    Nottinghamshire
    Posts
    234
    On a side note....I havn't visited 3d buzz for about 10 years, where has all the forum content gone? I can still access old posts from my control panel, but the forum seems to have non of the old threads anymore.


    **edit, oh there's a dropdown box to limit how many threads are shown now. Still, there doesnt seem to be much activity anymore. Shame, this was the best site on the internet back when I was browsing daily...way back in 2003-2008!

    Where did everyone go?! **
    Last edited by majicmonk; 12-23-2016 at 05:08 PM.

  3. #3
    Join Date
    Jun 2003
    Location
    Nottinghamshire
    Posts
    234
    I've discovered i'm able to use the flex directly on the editable spline by using weights and springs rather than edge verts. This is good as a temporary measure, but I still cant use point cache so it's not ideal.

    Also, how do you animate the flex's center point so that I can get it to follow the rigged spline?

    Cheers

    Mik
    Last edited by majicmonk; 12-24-2016 at 03:32 AM.

  4. #4
    Join Date
    Jun 2003
    Location
    Nottinghamshire
    Posts
    234
    How's Jason by the way?

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