Fully procedural Smudge Roughness Map
(detail affects performance)
Inputs:
Scale: Noise scale
Scale Variance: How much the scale of other noise layers is affected
Detail: Noise detail
Distortion: Noise Distortion
Roughness 1-2-3: Roughness of each noise layer
Seed: Seed of the 4D noise
Spread: How much the smudges spread
Min-Max Roughness: The Min and Max roughness values of the output
Outputs:
Output: Roughness map