This article focuses on parallax in games, but parallax has a long history in animation. Multiplane cameras from Disney and their predecessors are almost 100 y

This article focuses on parallax in games, but parallax has a long history in animation. Multiplane cameras from Disney and their predecessors are almost 100 years old. You can do a lot of trickery with 2d images to construct scenes with depth. https://en.wikipedia.org/wiki/Multiplane_camera https://en.wikipedia.org/wiki/Multiplane_camera