Information Technology Journal 1812-5638 1812-5646 Asian Network for Scientific Information 10.3923/itj.2012.471.475 Bian Yu-long Liu Zhen 4 2012 11 4 Emotion is an important parameter of chasing between two virtual humans; a computational emotion model is an interesting topic. A mathematical model of virtual human’s chasing behaviour is set up, the model integrate physiological variables and emotion parameters, emotion synthesis is based on Ekman’s basic emotion, some formulas of emotion are constructed, a numerical simulation is realized on PC and the trend of speed, physical strength and emotion are illustrated in some figures.

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