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Link Constraint - Linked object not following parent properly
show user profile  Loud
Look at the sandwich. It is linked to the prop in the right hand. I move the arm, the sandwich follows just fine. When the body rotates it doesn't follow properly. Other objects work fine (spoon). I've had this problem in the past, but not sure if I've ever found a way around it.

The farther I get away from the key in which the linked object (sandwich) is linked from the world to the prop, the closer the sandwich follows the prop correctly.

read 677 times
3/25/2009 9:46:20 PM (last edit: 3/25/2009 9:48:26 PM)
show user profile  Dejitarujin
Rather than deal with the real troubleshooting behind this (inherited motion, whether the object has keyframes, and whatnot), I would just unlink and re-link.
Specialty: Non-organic modelling and effects.
Setup: 3D Studio 2010 with finalRender.
Rig: No, no I can't.
read 671 times
3/25/2009 10:07:18 PM (last edit: 3/25/2009 10:07:53 PM)
show user profile  Loud
Not sure it's that simple. I unlinked and linked again in various ways and it exhibits the same behavior.

read 665 times
3/25/2009 10:16:31 PM (last edit: 3/25/2009 10:16:31 PM)
show user profile  Dejitarujin
In that case, make sure the object its self has no keyframes, especially those that would dictate movement.
Specialty: Non-organic modelling and effects.
Setup: 3D Studio 2010 with finalRender.
Rig: No, no I can't.
read 663 times
3/25/2009 10:20:20 PM (last edit: 3/25/2009 10:20:20 PM)
show user profile  Loud
Aha! Thanks Dejitarujin, I kept experimenting and I think I have it. I reset everything on the sandwich, gave it a new default Position/Rotation/Scale controller then put the link constraint on top of that again. Seems to be working.

read 662 times
3/25/2009 10:21:42 PM (last edit: 3/25/2009 10:21:42 PM)
show user profile  Loud

That's not it either. In my lethargic attempt last night I reset everything on the sandwich and parented to the hand prop thinking that would be the same as a link constraint, but apparently it's not.

I can create a new box, link constraint to world, then link constraint to hand prop and it exhibits the same behavior.

I can work around this, but there has to be a better way!?

[Edit:] As I find more. I'll post it here.
I'm trying all kinds of things. If I use link constraint and only link to the hand and not the world then there is no problem.

read 628 times
3/26/2009 6:13:47 PM (last edit: 3/26/2009 6:56:09 PM)
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