Darken, R.P., Cocayne, W.R., Carmein, D.,
"The omni-directional treadmill: a locomotion device for virtual worlds",
Proc. ACM Symposium on User Interface Software Technology UIST 97, ACM SIGGRAPH, ACM SIGCHI, Banff, Alberta, October 1997, pp. 213-221.
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Quotations
abstract ;;Quote: it is difficult to design an omni-directional treadmill; lag and servos make it hard to control