Physically-Based Shading at Disney
Physically-Based Shading at Disney
Physically-Based Shading at Disney
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Diffuse is not Lambertianred-plasticspecular-red-plasticLambert©<strong>Disney</strong> Enterprises, Inc.Note th<strong>at</strong> the Lambert self-shadow termin<strong>at</strong>or is too dark. Also, the grazing response is fl<strong>at</strong> whereas measured m<strong>at</strong>erials oftenhave a highlight or a shadow. The shadow is predicted by the Fresnel response as more light becomes specular <strong>at</strong> grazingangles and thus less is available for diffuse reflectance.
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