setup=()=>createCanvas(w=innerWidth,h=innerHeight);draw=()=>{background(0,9);noFill();f(w/2,h/2,h*.75,4,t=frameCount/50)};f=(x,y,r,d,v)=>{d-4&&(S=sin(t/9 d-3))>0&&(stroke(W=255,S*W),ellipse(x,y,r));if(d--)for(let i=3;i--;)f(x r*.25*cos(b=i*2.1 v),y r*.25*sin(b),r*.45,d,v*2)}