If you don't use Turbowarp, I don't know what to say. https://turbowarp.org/fullscreen.html#421929619 Click the green flag again for new randomized frames.
Turbowarp isn't fast enough for refreshing(deleting an object and replacing it.) If you want to possibly suffer, then set "Refreshing?" in the variables to true. Based off of this(pls check out): https://iacopoapps.appspot.com/hopalongwebgl/ Note that both of them can cause motion aftereffects. Particularly the webgl explorer. I threw this together rather quickly...