(vsqrt .(v- ..(scale ...(min-component ....(max-component .....(polar ......(vfloor .......(vconcat ........(z pos) 1.3844))))) ...(red-from-hsl ....(vabs .....(vdivide ......(gradient clouds) 1.6564)))) ..(vfrac ...(alpha ....(vsin .....(y pos))))))