GuiltyGearXrd's Art Style
https://arcsystemworks.com/guilty-gear-xrds-art-style-the-x-factor-between-2d-and-3d-talk-from-gdc-2015-is-now-available-online/
youtube.com/watch?v=yhGjCzxJV3E
本村inner line
内线单独在一张图上 要 axis aligned
为了减少锯齿
这导致uv要这样的展开
进而导致albedo 的贴图也是按照这样的uv来画的