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Animation Using Behavior Functions

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Visual Languages and Applications

Part of the book series: Languages and Information Systems ((LISS))

Abstract

This paper describes the use of behavior functions to create systems of graphic objects which appear to be behaving purposefully. These functions determine the motion of an object based on the status of the other objects in its environment. Several useful classes of behavior functions are described. Functions using just the positions of objects at the previous time interval can model pushing, pulling and tendency to maintain distance. When a second preceding time step is used, a wide array of behaviors can be obtained including avoidance, hitting, fish schooling and the playing of ball games.

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References

  1. N. Magnenat-Thalmann and D. Thalmann, Computer Animation: Theory and Practice. Springer-Verlag, Tokyo, 1985.

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  2. A. H. Borning, The programming language aspects of ThingLab, a constraint-oriented simulation laboratory, ACM Trans. Programming Languages Systems 3(4), 353–387 (1981).

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  3. A. Mighotte, The Perception of Causality, Methuen, New York, 1963.

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  4. A. Marion, K. Fleischer, and M. Vickers, Towards expressive animation for interactive characters, Proceedings, Graphics Interface’84, pp. 17–20.

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  5. T. Lethbridge, Perceived animate motion by simple deterministic rules of inter-object behavior, Master’s thesis, University of New Brunswick, Fredericton, 1987.

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Author information

Authors and Affiliations

  1. Department of Computer Science, University of Ottawa, Ottawa, Ontario, Canada, KIN 6N5

    Timothy C. Lethbridge

  2. School of Computer Science, University of New Brunswick, Fredericton, New Brunswick, Canada, E3B 5A3

    Colin Ware

Authors
  1. Timothy C. Lethbridge
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  2. Colin Ware
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Editor information

Editors and Affiliations

  1. Faculty of Engineering, Hiroshima University, Higashi-Hiroshima, 724, Japan

    Tadao Ichikawa

  2. Swedish Defence Research Establishment, S-581 11, Linköping, Sweden

    Erland Jungert

  3. Department of Information Science, University of Pittsburgh, Pittsburgh, Pennsylvania, 15260, USA

    Robert R. Korfhage

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© 1990 Plenum Press, New York

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Lethbridge, T.C., Ware, C. (1990). Animation Using Behavior Functions. In: Ichikawa, T., Jungert, E., Korfhage, R.R. (eds) Visual Languages and Applications. Languages and Information Systems. Springer, Boston, MA. https://doi.org/10.1007/978-1-4613-0569-9_13

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  • DOI: https://doi.org/10.1007/978-1-4613-0569-9_13

  • Publisher Name: Springer, Boston, MA

  • Print ISBN: 978-1-4612-7871-9

  • Online ISBN: 978-1-4613-0569-9

  • eBook Packages: Springer Book Archive

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