Solar Eclipse ☀️+🌑

https://www.dwitter.net/d/21457

with(x)for(i=c.width|=c.style.filter='invert(',translate(i/2,540);i--;rotate(6))fillStyle=R(0,a=99+80*S(i*i+t),200,.2),fillRect(300,0,a,i/a)