Very nice! I made a version of this effect for a little NYE thing years ago [0] (source here [1]). I first saw this effect in Iguana's Blastersound BBS intro [2]. I always thought that intro looked slick!

[0] https://www.horsedrawngames.com/nye

[1] https://bitbucket.org/izzo/hdgnye

[2] https://youtu.be/qPOoU44GU50