13 Body Deformation Skeleton
Introduction
It is not necessary to be an expert in human anatomy to be good at rigging for games. In my opinion, the study of the mechanics of body movements matters more. You should understand what motivates a motion, where it comes from and what changes happen in the body during the motion. Your job is to emulate this believably in the rig. By emulate I mean fake. We are not replicating real anatomy, we only care that it looks like there is real anatomy behind it. In simpler terms, if it looks good, it is good. For example, a human spine is made up of dozens of bones. Where in game rigs, we commonly have as little as three or four. Those four are enough to make the spine twist ...
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