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simple motion for a simple animator
show user profile  Lazmo67
Having some trouble with, what should be a simple animation. I have some CAD that needs to operate in a particular way.

B needs to remain static and control the orange section to move up and down whilst the movement causes A to move along rails. When I use constraints with B as the initial controller I can't get A to stay locked to an axis. I can't link from the other direction as later in the animation B moves away and takes A with it.

Hope that makes sense. Can anyone help

read 437 times
5/14/2015 10:06:17 PM (last edit: 5/14/2015 10:06:17 PM)
show user profile  Garp
When B's rotation is at its max clockwise, the blue part is vertical.
If then B rotates counterclockwise, which way A is supposed to go?
A can easily control B but I don't see how it would work the other way.

> I can't link from the other direction as later in the animation B moves away and takes A with it.

You could have A linked to some helper in B's location.

read 434 times
5/14/2015 10:18:32 PM (last edit: 5/14/2015 10:21:04 PM)
show user profile  ulisei
Place Helpers or Dummys on the rotation-axes for the moveable parts and uncheck the desired Axis
in the Hierarchy --> Link Info --> inherit Movement, this will make them stay in place.

Linking alone won´t work maybe, better try Parameter-Wiring, because of the translation of a Rotation to a linear Movement.

Edit: A Look-at-Constraint could also be helpful, because of the Upnode-Function,
have a look @

read 409 times
5/15/2015 2:10:56 AM (last edit: 5/15/2015 2:28:20 AM)
show user profile  Lazmo67
Cheers guys. Got it working. well an acceptable compromise anyway.
read 383 times
5/15/2015 10:44:16 AM (last edit: 5/15/2015 10:44:16 AM)
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