Procedural Space Invaders

https://www.dwitter.net/d/19812

f=m=>x.fillRect(99+k%8*244-X*m,99+Y*9+(k>>3)*260+S(t+k)*19,9,9)
for(x.fillRect(0,0,j=2048,j);j--;S(j*j+S(t*4)/6)**2*32>X*X+(Y-4)**2&&f(9)+f(-9))k=j>>6,i=j%64,X=i&7,x.fillStyle=R(Y=i>>3,j*j%350)