Per-pixel metallic-roughness painter. The callback receives (x, y, size) and returns [roughness, metallic]. R is written as 0; G = roughness × 255; B = metallic × 255.
(x, y, size)
[roughness, metallic]
Per-pixel metallic-roughness painter. The callback receives
(x, y, size)and returns[roughness, metallic]. R is written as 0; G = roughness × 255; B = metallic × 255.