Transmissão de Características Genéticas na Geração de Personagens Virtuais

Roberto C. Cavalcante VieiraCreto A. VidalJoaquim B. Cavalcante-Neto

Nowadays, virtual reality, computer games and many other applications are using more and more sophisticated models of human characters. Many of these applications, such as life-simulation computer games (The Sims), internet-based virtual worlds (Second Life) and animation movies, besides the complexity of the human models, sometimes require simulation of kinship and interaction between isolated populations with well defined ethnic characteristics. Another difficult task is to generate models physically similar to a given population or family automatically. In this paper, diploid reproduction is mimicked to produce character models, which inherit traits from two parent models. The meshes of all models are constructed based on control parameters that are distributed as genes among a group of chromosomes. Thus, the technique consists of distributing pre-selected characteristics, represented as control parameters, over a predetermined number of chromosome pairs for both parents; followed by a simulated generation of the father's and the mother's gametes; which are randomly combined in a simulated fecundation.

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