6 axis Robot humanoid arm (Question)
-
Hi, I have this arm rig that I'm trying to animate using IK and then have the rotations be free. Ideally, I'd like to animate the arm as smoothly as possible with the corresponding positions or rotations. The problem I haven't been able to solve is that each axis of the arm has only one rotation because it's mechanical, so the rig’s constraints and restrictions haven’t worked with the IK, and I haven’t been able to get it to work with Xpresso either. How could I fix this? Is it possible to upload the file so you can take a look at it? Big thanks.
-
You can post a link to the file and also I need to know how you want to animate it.
"the rotations be free"... I don't know what that means.Also watch this:
https://cineversity.maxon.net/en/tutorials/kinematic-limits-how-to-rig-robots -
Hi, sorry I mean, the restrictions of rotations works!
This is my basic rig without the upper rotations running independently. When you open the file, you'll see what I mean, I left a note.
Thanks a lot!
https://drive.google.com/file/d/1b84ro6FBgKtV5d9WeEgn5JviizWEzuNa/view?usp=sharing
-
requested access for your project file...
-
done, thanks
-
Have you watched this tutorial?
https://cineversity.maxon.net/en/tutorials/kinematic-limits-how-to-rig-robots -
Yes! The parameter I was missing was the "Rotate to goal" checkbox. Now the problem I'm facing is that I need to be able to rotate the independent geometries while keeping the IK.
-
@Lnrd_ said
...I need to be able to rotate the independent geometries while keeping the IK.
I'm not sure I understand that.
-
Hi Noseman, sorry for taking so long to reply. In the end, I made part of the rotations obsolete and it works, but I have another question related to the same problem.
I already have my IK chain with rotation constraints on each joint, but the kinematics do not work in a 3D Solver to be able to control the amount of rotation of each joint. So I would need something similar to a pole vector but that works with a 3D Solver. Is it possible?
I need it because when I move the goal controller, the knee behaves incorrectly at some angles, and I think that with the pole vector or something similar it could work.
I’ve attached the project so you can take a look and see if you can understand it. Sorry if it’s a bit confusing.
https://drive.google.com/file/d/1c-gNtcGQG-owlOssfA1g5xrm79fWNoRJ/view?usp=sharing
