Animation of clouds using cellular automation

摘要

Recently, computer graphics have been used to simulate natural phenomena, such as clouds, fire, and ocean waves. This paper focuses on the evolution of clouds and proposes a simulation method for dynamic clouds. The method makes use of the cellular automaton for calculating the density distribution of clouds which varies over time. By using the cellular automaton, the distribution can be obtained with only a small amount of computation since the dynamics of clouds are expressed by several simple transition rules. The proposed method is applied to animations of outdoor scenes to demonstrate its usefulness.