Function roughnessToExponent

  • roughnessToExponent(roughness): number

  • Convert a roughness to specular exponent

    Uses the conversion from - http://simonstechblog.blogspot.com/2011/12/microfacet-brdf.html

    Parameters

    • roughness: number

      The roughness to convert to shinyness/exponent

    Returns number

    The resultant shinyness.

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