I have this character with eyes on a body that I want to be able to squash and stretch. I am using "snap to face" when moving the eyes, but when use proportional editing on the body (later on I will be using shape keys for this) the eyes won't automatically snap. Of course I could "resnap" them, but in a 24 fps animation, this would be tidious.

Is there any way to automatically snap objects to a face when that object changes?

Here are som pictures to illsutrate the problem: enter image description here enter image description here enter image description here As the last picture illustrates, the eyes are on longer snapped to the surface.

Thanks for any answers!

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    $\begingroup$ Try the vertex parenting:docs.blender.org/manual/en/latest/editors/3dview/object/… or SHrinkwrap $\endgroup$ – FFeller Feb 17 '19 at 12:00
  • $\begingroup$ I just tried vertex parenting, but this makes me unable to maintain the proper control of the eye. I can't snap it to the surface properly that way. Maybe I am doing something wrong. I duplicated an eye, snapped it to the surface, then vertex parented it. This distances the eye from the surface. Would there be anyway to adjust the settings to still make it snap to the surface, but also follow an invidual vertex of the body when transformed? Thanks $\endgroup$ – Rasmus H Feb 17 '19 at 12:43
  • $\begingroup$ Check this answer out, because your eyes have some thickness. I've been trying it.. it's practical to parent the Lattice object to a vertex in the sphere, and shrinkwrap the lattice to the sphere, and assign a lattice-deform to the eye-disk, using it. $\endgroup$ – Robin Betts Feb 17 '19 at 20:34

Maybe "Parent" Helps.

First select the eyes, then the head with your Shift down to make a multi-select, hit Ctrl+P (Parent) and select "Object (Keep Transform)", then the head will be the parent of the eyes, the eyes will be the children of the head. The eyes will follow the head's transformation.

But I'd recommend you to apply rotation & scales before you do it. Check if the scale properties of the objects are set to "1.0" by poping up properties with hotkey "N". If not "1.0", then press Ctrl+A and hit "Rotation & Scales" to apply the both to the objects. That's because the rotation & scale you've made haven't been consequently applied to the object before you confirm your application.

For more info, check this out: https://docs.blender.org/manual/en/latest/editors/3dview/object/properties/relations/parents.html

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  • $\begingroup$ Also try Join by "Ctrl+J", two objects can be connected into one. $\endgroup$ – FanFanD Yun Feb 25 '19 at 16:19

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