Tensegric mobile controlled by pseudo forces

Authors:
Kazuya G. Kobayashi;Taro Ichizawa;Koichi Nakano;Katsutoshi Ootsubo
Affiliations:
Toyama Prefectural University, Imizu, Toyama, JAPAN;Toyama Prefectural University, Imizu, Toyama, JAPAN;Toyama Prefectural University, Imizu, Toyama, JAPAN;Kinki University, Faculty of Engineering, Hiroshima, JAPAN
Venue:
Proceedings of the 13th annual ACM international conference on Multimedia
Year:
2005

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Abstract

A tensegric mobile in virtual 3D space is introduced. An input model is a triangular mesh B-rep designed by an artist, which is allowed to have an arbitrary topology. The tensegric structure is automatically generated from a mesh model as a deforming object. After the object is set up above a virtual floor, it repeats movements: rotating, falling, flattening, and rebounding. A user can control its behavior by "pseudo forces"; attraction and repulsion forces, stiffness property, and gravity. The stiffness and gravity can also be randomly changed. By using our system, an artist can present continuous movements of an arbitrary 3D shape as a "mobile" of abstractionism.