My guess is all the assets are preloaded. They are gradually added to the "stage" and shrunken/faded out based on the zoom level on an item-by-item basis (vs zo

My guess is all the assets are preloaded. They are gradually added to the "stage" and shrunken/faded out based on the zoom level on an item-by-item basis (vs zoom levels.) The background color would be its own "item." I actually came across this site because I was looking for an example for a proposal for a fun project for this guy: https://youtu.be/1kjvgWBHzec https://youtu.be/1kjvgWBHzec (he tried a couple of non-programming video editing methods to achieve the zoom effect.)