In a sense, you could consider the z the draw order, you can also get parts of the same mesh to bend in realistic 2.5D ways really. (the upper the bone in the weights panel bone list, the most forward will be the vertices influenced by it).
What exactly did you picture @wilds that differed from these two already present features?
wilds

- 2018년 10월 28일
- 2013년 1월 25일에 가입함