Brushed steel. Anisotropic horizontal scratches are produced by
summing two periodic noise fields (one tight-spaced, one
broad-spaced) that drive colour, normal relief, and per-pixel
roughness. The anisotropy makes specular response direction-
dependent across the grain. Metallic 1.0.
Brushed steel. Anisotropic horizontal scratches are produced by summing two periodic noise fields (one tight-spaced, one broad-spaced) that drive colour, normal relief, and per-pixel roughness. The anisotropy makes specular response direction- dependent across the grain. Metallic 1.0.