I made a similar effect a few years back using layered transparent PNGs[1]. It's not quite as dynamic, but it's probably a lot more efficient. [1] https://www.

I made a similar effect a few years back using layered transparent PNGs[1]. It's not quite as dynamic, but it's probably a lot more efficient. [1] https://www.damninteresting.com/ghoulish-acts-dastardly-deeds/ https://www.damninteresting.com/ghoulish-acts-dastardly-deed...