From cube-lovers-errors@mc.lcs.mit.edu  Fri Apr  2 03:11:29 1999
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Date: Thu, 1 Apr 1999 15:56:33 -0500 (EST)
From: Dale Newfield <din5w@cs.Virginia.edu>
Reply-To: DNewfield@cs.Virginia.edu
To: "Cube Lovers (E-mail)" <Cube-Lovers@ai.mit.edu>
Subject: Re: Spaceball (tm) input to a Cube simulator
In-Reply-To: <Pine.BSF.3.96.990401140302.3465Q-100000@shell2.tiac.net>

On Thu, 1 Apr 1999, Nicholas Bodley wrote:
> If anyone has a Spaceball, it should make quite a nice input device.
> It senses both torque about all 3 orthog. axes, and linear
> displacement forces ditto; a total of 6 channels. Displacement could
> select a layer, which could be highlighted (anyone for alpha-channel
> translucency?), and torque would rotate the selected layer.

Except that it is typically quite difficult to separately control
translation and rotation with these devices.

-Dale