A Simple, Efficient Method for
Realistic Animation of Clouds
Yoshinori Dobashi et. al.
Student: Bruno Heidelberger
Betreuer: Ronny Peikert
This paper proposes a simple and computationally inexpensive method for
animation of clouds. The cloud evolution is simulated using cellular automaton
that simplifies the dynamics of cloud formation. The dynamics are expressed by
several simple transition rules and their complex motion can be simulated with a
small amount of computation. Realistic images are then created using one of the
standard graphics APIs, OpenGL. This makes it possible to utilize graphics
hardware, resulting in fast image generation. The proposed method can realize
the realistic motion of clouds, shadows cast on the ground, and shafts of light
through clouds. In particular, the method is suitable for animation of cumulus-
like clouds in landscape scale.
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