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Last Modified:03/25/2023
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Spine IK - Mid Control Behavior

Submitted bybrandelan brandelan
**if this gets posted twice, I'm sorry.  Was having issues posting**

So, in using the spine module as tentacles, I've noticed another issue with the Spine/Neck IK.

If I lift the secondary root control (which I'd want to to keep the tentacle 'feet' of this particular rig stuck to the ground), the mid controls all gravitate toward each other.

Lift 1


There's a control on these called "Top IKInf Pos" and setting this to 1 kinda helps, but introduces a slight wavy-ness to the curve.

It seems pretty clear that all the midCtrls are point constrained between their TopIK Ctrl and some other common point that's pulling them all together.

I'm linking my proxy setup so you can see for yourself.

Comments on this bug:

  • Dustin Nelson

    Dustin Nelson said about 10 years ago:

    Yeah this is a bug. I will get to work on this one as well. Thanks again for the detailed description, it makes my life a lot easier to diagnose the problem. -Dustin
  • Dustin Nelson

    Dustin Nelson said about 10 years ago:

    Hi, I submitted a fix in version 1.3.5 which should resolve this issue and the other one you reported. Let me know if that corrects the problem. Thanks! -Dustin

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