Přirozená dynamická animace lidských vlasů vhodná pro GPU

Kmoch, Petr

Natural-looking hair is a key component for presenting believable virtual hu- mans, because the head and face form natural focal points of the human figure. In non-static scenes, hair behaviour is just as important as its looks. Principles of physics and dynamic simulation are often used for animating hair, because other traditional animation approaches-such as skeletal animation or motion capture-are difficult to apply to hair. Dynamic animation of hair is still an open problem without a known best solution, because hair has quite specific mechanical properties which, combined with the high number of hairs typically comprising a hairstyle, make realistic and efficient simulation challenging. In this work, we focus on dynamic hair animation methods capable of provid- ing real-time or interactive performance while staying physically plausible. Basing on research and analysis of hair properties from the cosmetic industry, we have devised a novel hair animation method which provides more realistic results than existing comparable methods while at the same time offering better performance and stability. We have applied this method to two different approaches to hair animation in order to prove its independence on any particular representation of hair. In one of these approaches, our method allows us to replace an...

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