I'm familiar with OSVR but haven't talked with anyone who's used it, have you and if so thoughts?
I'm using the HDK2. I'm given to understand that the screen is basically CV1/Vive resolution - 2160x1200/90Hz.
I just got mine on Friday last week, so I'm still experimenting and tweaking. All I can give right now are first impressions.
I like it, but there are a couple of issues that I'm having trouble with. The first is centring - I find that the display tends to drift a little over time, particularly if it loses sight of the tracking camera. I've just worked out how to recentre in the game client, so this is no longer an issue (once I bother to change the hotkey away from f12.) I used to use my phone and Opentrack for headtracking, so I'm well-used to this, and even have a button on my HOTAS specifically mapped to recentre Opentrack. The mapping software is being a bit annoying and not registering F keys as keyboard presses at the moment, so I'll have to work out what's going on there. I'm pretty sure it's a user issue though.
The second is much more important - the lenses get
really close to my face, close enough that I can smudge them with my eyelids if I'm not careful. It's a matter of millimeters, but it's an issue. I don't need glasses - I've never worn them and the tests for my driver's license came back fine last year. My right eye is a little weaker, but I'm left-eye dominant, so that's not the problem. The lenses also tend to dig into the sides of my nose (and I don't have a big hooter; it's rather pert, actually.) I've found that a thinly folded strip of toilet paper or a padded sticking plaster over the bridge of the nose works to make it a much better fit for my face. I suspect the problem is actually that I don't have a heavy brow-ridge so the HMD is being pulled just that millimetre too close. Users on the OSVR Reddit have suggested using the foam packaging that the OSVR came in to fashion some padding, and that's what I'm going to do tonight. I also have to get used to not just darting my eyes over, but actually turning my head, as text appears blurry outside of the centre of the lenses. I think that's a feature of all VR HMDs though.
When I get it right, it works very well. Although the graphical downgrade was initially a bit frustrating (or rather, surprising,) the feeling of immersion is brilliant. FA-off feels
much more natural this way, almost like it was designed for it. There's nothing like lifting off gracefully from an outpost with just a breath or two from your thrusters, while rotating on an arc towards your hyperspace destination.
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I wonder if somehow the headset or more likely the way Trinus is handling things is causing this. I have 450+ hours in ED in my Rift and if anything the pilot body is rather small, almost feminine. The hands and feet are rather small, certainly not long.
It could just be a scaling thing - our feet are actually the same length as our forearms, which is surprising only because we usually view them from much further away.
With regard to Trinus, I believe it basically encodes the video for in-home streaming. On my local network, that induces 23ms of latency minimum. I can imagine that that will induce motion sickness in those susceptible to it; it's a bout 2 frames behind what the head is actually doing.