(vsin .(v+ ..(vmax [-1.2086999999999999 -0.9274 1.4446] ...(z ....(gradient .....(green-from-hsl ......(average .......(height-normal ........(vabs .........(hsl-from-rgb velvet))) .......(z ........(z .........(green-from-hsl pos)))))))) [0.4061 -0.1928 -1.0101 0.2881]))