getRoughness top-level property
dynamic
getRoughness
getter/setter pair
Implementation
var getRoughness = ShaderNode((inputs) {
var roughness = inputs.roughness;
var geometryRoughness = getGeometryRoughness();
var roughnessFactor = max(roughness,
0.0525); // 0.0525 corresponds to the base mip of a 256 cubemap.
roughnessFactor = add(roughnessFactor, geometryRoughness);
roughnessFactor = min(roughnessFactor, 1.0);
return roughnessFactor;
});