And @PavelBoytchev …
Something similar happened to the page…
https://discourse.threejs.org/t/live-on-an-old-tv-set-with-webcam-and-animated-canvas-textures
I took about six coded pages about textures with webcams and canvas and mixed parts of the codes and suddenly I got what I wanted!
Maybe it’s luck, or the stubbornness to find a desired outcome… 