Spinning Cat
416
Published 2024-03-16
2D silhouette doesn't have depth information but our perceptual system defines the direction of rotation. Therefore, the perceived direction is unstable and sometimes interchangeable.
Small cats have contrasting brightness due to shadows, and the direction of rotation is obvious.
https://en.wikipedia.org/wiki/Spinning_dancer
#cat #spin #2d #3d #rotation #illusion #optical #silhouette #shadow #science #tutorial #animation