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What is Game Lighting Equation Insights about?

The document discusses the origin of terms in game lighting equations, specifically the presence or absence of pi (π). It explains that the Lambertian BRDF used in computer graphics contains a π term to conserve energy, but game lighting equations omit this term for artist convenience. Game light intensity is defined based on how bright a white surface would appear from that light, rather than using precise radiometric units. This allows omitting π from diffuse lighting calculations in games. The document a

Author

brother1984

Language

EN