Causal volumes in distributed virtual reality
Ryan, M.D. and Sharkey, P. (1997) Causal volumes in distributed virtual reality. In: Systems, Man, and Cybernetics, 1997. Computational Cybernetics and Simulation., 1997 IEEE International Conference on. IEEE, pp. 1067-1072. ISBN 0-7803-4053-1
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To link to this article DOI: 10.1109/ICSMC.1997.638090
Research to date has tended to concentrate on bandwidth considerations to increase scalability in distributed interactive simulation and virtual reality systems. This paper proposes that the major concern for latency in user interaction is that of the fundamental limit of communication rate due to the speed of light. Causal volumes and surfaces are introduced as a model of the limitations of causality caused by this fundamental delay. The concept of virtual world critical speed is introduced, which can be determined from the causal surface. The implications of the critical speed are discussed, and relativistic dynamics are used to constrain the object speed, in the same way speeds are bounded in the real world.
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