An animated ASCII art with three animated metaballs that reveal the underlying source code. All done in 211 bytes of JavaScript.

Source:

setInterval(f=n=>{for(o=t++,i=4; i++<476;o+=i%30?([(f+"")[i%194], "o"][c=0|(h=v=>(M=Math).hypot(i/ 30-8+3M.sin(t/8/v),i%30/2-7+4M .cos(t/9/v)))(7)*h(9)*h(6)/52]|| ".").fontcolor(c>0?c>2:f.n):"\n" );p.innerHTML=o},1)

Original tweet: https://twitter.com/aemkei/status/1473419227210166272