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Hair and Fur Rendering in 'Diablo II: Resurrected'
This sessions explores the rendering technology behind the hair and fur of Diablo II: Resurrected's iconic characters: the Druid with his wolves and bears, the luxuriant shag of the Gargantuan Beast, Andariel's gravity-defying locks, and many more. nnMost realtime hair systems have developed in the legacy of the physically based models of Marschner et.al.. The model of d'Eon et.al. adds energy conservation to Yan's double cylinder fur model. D2R implements a variation of the d'Eon model with a simple parameter factorization that yields physically based, energy conserving lighting with excellent performance.nnThe heart of the hair and fur rendering is tracing gaussian ray bundles into, through, and out of the hair. This session gives technical details of the entire hair rendering pipeline as well as the compromises, frictions, and failures during development.
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