STAGE 05 / FINISHED
Light lets the spiral become a surface.
The final field combines the authored pearl palette with analytic relief, a soft specular response and a display curve.
VISIBLE HELPERS c = clamp(a, 0, 1) · S(a) = c²(3 − 2c) · m = S((.835 + .026 cos q − r)/.018) · D = (1 − exp(−1.25 · max((1−m)b + mC, 0)))^(1/2.2) · full equation contract ↗