11-24-2004, 11:29 PM
I was thinking about that (that being headsway in Dark Forces), and I bet that's exactly what the problem is. While you are moving fluidly (ie. running around), you tend to focus on distant objects, and relatively slow moving details--or suffer more rapidly onset motion sickness, as in GRITS' case. Headswaying creates motion your brain isn't expecting, just like bouncing over stuff and running into things in vehichles. Another factor is how much of your monitor is in you view space. The more of your real FOV is full of moving shapes, the larger the effect (same reason you can read on a bus, but not in a car). Screen tears might cause some aggrivation of it too.