When individual animation frames have different transparent margins, centering each cropped image in the same rectangle can make a character appear to bounce. The pixels are not necessarily wrong: the placement rule is moving the artwork as the bounding box changes. A steadier approach is to pi...
Source: [Dev.to](https://dev.to/liangqi_zhao_b047bd1f3236/keep-a-2d-character-grounded-when-animation-frames-have-different-bounds-58op)