User support by a computer is desired for creating computer graphics. Automatic generation of moving human crowd is one of such demands. The feature of human crowd is that the behavior of each figure is independent, but the crowd, as a huge mass of it, has a pattern as a whole. It is too troublesome if the user inputs the all coordinates data of this behavior. This paper describes the modelling method using chaos and electric charge model. Chaos is convenient to represent such features. Electric charge model can represent the detail of each figure's movement.
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