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Aucbvax.2291 fa.works utzoo!duke!decvax!ucbvax!works Wed Jul 15 06:03:43 1981 Re: joysticks >From Joe.Newcomer@CMU-10A Wed Jul 15 06:01:41 1981 The reason joysticks are losers deals with the interaction between the hand motion and the screen cursor motion. In fact, it takes a lot of skill to convert a desired motion on the screen to an appropriate nudge of the joystick. Thus, joysticks usually result in a lot of "hunting" as the cursor constantly overshoots the target and the user applies smaller and smaller corrections to get it to land on the desired point on the screen. See Stu Card's thesis; I know he presented the reasons at his oral (I was there) and assume they are also in his thesis.

I have no experience with tracking balls, and am currently reluctant to offer opinions on them since I THINK I know a very, very cute way to implement one...and I won't say more until I've sold the idea. joe

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