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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