Real-time hair simulation on GPU with a dynamic wisp model

Oshita, Masaki
Computer Animation and Virtual Worlds, Vol. 18, No. 4-5. (September 2007), pp. 583-593


   title={Real-time hair simulation on GPU with a dynamic wisp model},

   author={Oshita, M.},

   journal={Computer Animation and Virtual Worlds},






   publisher={Wiley Online Library}


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In this paper, we present a method for real-time hair animation. We combine a conventional particle-based dynamic simulation and a dynamic hair generation technique. First, the movements of a small number of hairs (coarse model) are simulated using a dynamic simulation. Since this stage uses only a small number of hairs, the simulation is quick. A larger number of hairs (fine model) are then generated from the coarse model using a dynamic wisp model. The shape of a wisp and the shapes of the individual strands are geometrically controlled based on the velocity of the corresponding particle in the coarse model. This model simulates hair–hair interactions between the strands in the hair wisps. Our method is designed to work on a GPU and generates a realistic hair animation in real-time.
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