Pre-rendered for better experience. The code is mostly from yuruyurau, ported to JavaScript.
N=t=x=y=200
setup=_=>createCanvas(W=540,W)
draw=_=>{
noStroke()
background(0,30)
t+=.1
for(i=0;i<N;i++)for(j=0;j<N;j++)r=PI/N,I=i+j/N,u=sin(r*I+y)+cos(r*I+x),v=sin(r*I+y)+sin(r*I+x),x=u+t,y=v,fill(i,j,99),circle(u*N/2+W/2,v*N/2+W/2,2)}//#つぶやきProcessing