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trying to rig this robot, but I've got no idea how to do the wheel, any idea?

enter image description here

enter image description here

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  • $\begingroup$ Perhaps consider separating and using it as a separate mesh? $\endgroup$ – Shady Puck Apr 26 '16 at 15:20
  • $\begingroup$ What should I do then? $\endgroup$ – gabe Apr 26 '16 at 15:34
  • $\begingroup$ Related or even a duplicate: blender.stackexchange.com/questions/28120/… $\endgroup$ – Paul Gonet Apr 26 '16 at 15:38
  • $\begingroup$ that question is about the foot turning with the wheel, i do not even know how to let the wheel turn $\endgroup$ – gabe Apr 26 '16 at 15:53
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First of all, is the wheel mesh part of the same object as the character? You need to separate it by selecting all the faces and press "P"

You can turn the wheel into a rigid body constraint of the type: motor

here is a youtube tutorial https://www.youtube.com/watch?v=lU9PADYJLM0

or you can skip that step and simply keyframe the rotation on it here is a youtube tutorial https://www.youtube.com/watch?v=CFFhgutjZQk

And finally you need to use the graph editor to edit how your keyframes get interpolated here is a youtube tutorial: https://www.youtube.com/watch?v=R9gCHhJOjlQ

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  • $\begingroup$ Welcome to the site :) Is it possible you could add a short summary of the content in the videos you linked? We like answers to be able to stand on their own in case the linked content becomes unavailable sometime in the future. Thanks $\endgroup$ – gandalf3 Apr 26 '16 at 21:22
  • $\begingroup$ the first one is on rigid body constraints type:motor, the second one is on keyframes, and the third one is on the graph editor. $\endgroup$ – eromod Apr 26 '16 at 21:53
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To answer your question more fully, I switched from comments to an answer.

The first thing I did was created and rigged a very rough estimate of your model:

enter image description here

I then added a square-ish wheel underneath it (visible in above picture). I parented this wheel to the armature via Object (Keep Transform), not any of the Armature Deform settings. This means that when you move the armature, the wheel will move with it (assuming the transformation is in object mode). While the wheel moves in conjunction with the rest of the model, you are free to rotate it on the appropriate axis. Here is what I achieved (glitch is in gif alone):

enter image description here

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  • $\begingroup$ Eh, how did you make it so the armature moves with the estimate of my model? $\endgroup$ – gabe Apr 26 '16 at 17:42
  • $\begingroup$ I keyframed it while in object mode by pressing I and then selecting location. $\endgroup$ – Shady Puck Apr 26 '16 at 18:36

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