A facial animation based on emotional model for characters in 3D games

摘要

A believable virtual human should have both geometry shape, and autonomous emotion Based on previous researches on emotion models. In order to make player in games be capable of emotion expression, a suitable mathematical model should be first used to describe emotions. This paper presents a method to express character's facial animation and an emotional model d based on psychology theory and ortony, clore, collins (OCC) model the architecture of a virtual character is presented and a formalization of a virtual character's motivation is proposed. In addition, a character could confirm the range of perception dynamically according to his appraises to other objects in the environment. The Demo showed that the emotion model can drive player to be more facial animation.