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Clearly I don't understand how blender's weight painting works at all. I was under the impression that if I wanted to move the whole head, I had to paint the whole head red. But doing this quick test shows that's not the case because this bone rotates the entire head. Can someone please explain what's happening here?

enter image description here

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  • $\begingroup$ if the other bones are parented to the head bone and if the rest of the head is controlled by these bones, it's normal that rotating the head bone will rotate the whole head? $\endgroup$
    – moonboots
    Apr 13 at 19:10
  • $\begingroup$ I'm pretty sure in old versions of blender you had to paint the entire head. Same thing with arms for example, you had to paint the whole arm to control the forearm. I haven't used blender in so long so I'm not sure when this change came that you could just paint small areas and it would affect everything else. $\endgroup$
    – user186248
    Apr 13 at 19:19
  • $\begingroup$ since you didn't gave us all necessary informations - please provide your blend file so we can check it out. thx. $\endgroup$
    – Chris
    Apr 14 at 7:49
  • $\begingroup$ This isn't a problem with my file - I'm asking how blender functions $\endgroup$
    – user186248
    Apr 14 at 13:55
  • $\begingroup$ related: blender.stackexchange.com/questions/135982/… $\endgroup$ Apr 15 at 6:16

1 Answer 1

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The thing is that the hole face is parented to the head bone, meaning, they do what the main head bone does.

If you select all the face bones, you will see that the hole head get red, that's because the weigh has been distributed through out.

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