recently i've been getting into streaming vr and there's no doubt that the holy grail vr streaming setup is a
green screen with a mixed reality setup where you actually transport yourself
into the game like we showed off recently only problem is if i wanted to
do something like that in my living room i either have to hack an xbox connect
for a somewhat convincing effect or i
need to paint my living room green which what do you think green living room
yeah i didn't think so so i discovered the next best thing it
turns out that with these these are called vive trackers you can
actually cover your body with additional tracking points that transport you into
the game in avatar form so
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we've got no table so we'll use a monitor box
the vive tracker has already been opened because i've
actually been fighting with this thing for a couple weeks but that's okay the important things in the box are a usb
micro b cable a wall wart which
oh shoot i left them all at the office it's
not a wall wart i knew it i knew at one point that it was not a wall wart and
then for some reason i got it in my head that it was a wall board again okay it
doesn't matter the point is this is a multi-purpose cable purpose number one
is to charge the tracker so this is the tracker it screws on to whatever you
want and allows you to bring outside objects into vr through the same
technology as your controllers and your headset so you charge it up it's got a
battery on board purpose number two is to plug into this little weighted base
that takes right here this little dongle this is the dongle for the tracker that
it needs to communicate its location to your pc now your controllers use the
headset but it only has two connection slots so as soon as you start to add
multiple trackers you run out of connections you could have one
controller and one tracker and you wouldn't need this but as soon as you
want to use both your controllers you're gonna need it let's step back and take a
look at some of the other ways that you can stream vr first though the easiest
is to just import your game as a source into obs this way the audience sees
exactly what you see it's fast it's simple but it does have the disadvantage
of being a little bit disorienting for the audience because they're looking out
through your eyes but they're not in control of where the camera is pointed
you can mitigate this somewhat by widening the field of view and adding a
smooth camera mod but it's not perfect
it's never going to be perfect that's where liv comes in we're going to
get rid of our beat saber source we're going to set our target to beat saber
exe and boom now we've got a virtual
camera that acts as a third-party observer of what the player is doing in
the game now with a green screen we were able to see me standing there in the
game but now this is something different we've got an avatar whose head is
actually moving around according to how i'm holding the headset
makes for a pretty neat experience setting this up is pretty straightforward you look down at your
feet point the little pointer and you are greeted by the camera viewfinder and
avatar menus so camera is basically controlled by saying where
you want the camera to be and where you'd like it to point you've
got third person view which kind of like follows you around i think it's actually
hard to see it because it's following your head around all the time mixed
reality a bunch of different ones i like selfie i just like the automatic angle
you can change your field of view all that kind of good stuff and then there's your avatar you can see mine is pretty
messed up right about now but that's okay we're going to go ahead and
calibrate it stand like this go like that and hey look at that
oh wait except we got a small problem the legs are like
so uh oh wait never mind i did it wrong i did it entirely wrong that time okay
point your little pointer at the icon at your feet my hands and my head are
tracking according to what i'm doing except oh look at that i'm wiggling my
hips and he's just kind of doing whatever that is and if i move
around you can see his legs move in a way that is really unnatural
but in a game like beat saber where you don't necessarily have to move your feet
around much that might not matter to you thing is with my play style i actually
do like to move around a lot because i play this sort of
50 for fun and the other 50 for exercise
so it ends up looking like i'm kind of leaning back and forth looks kind of
stupid
now we're going to add things up a notch one of my free usb ports they are
technically usb2 but if you plug multiples of them into a single hub
people have run into interference or bandwidth issues so your mileage may
vary there one of mine's at the back so i'm going to use this handy dandy extender i'm going to pretend i don't
have these other usb extensions from a previous troubleshooting step and i'm
going to put the other two directly into the front usbs on my case now you may
have some difficulty pairing these controllers i actually had to take
anything but the one i was pairing physically out of the room and just pair
one at a time in order to get them to all pair up properly and then i've gone
i've labeled them all to make sure that i know which one goes with which but your mileage may vary mine are all
paired though so i should be able to just go one two three and they should
fire up for me unless you've got a reliable way to attach your trackers to
your body though your base stations aren't going to know where your body
parts are so that's where this comes in rebuff reality sent this over this is
their track strap plus the only difference between the plus one and the regular one is that it has an integrated
battery bank so you get longer time i would say if you're streaming that long
in vr though you probably don't need to
stream that long in vr at a time you don't want to cut off your circulation
but a tight fit is important because if you're stomping and your trackers are
kind of jiggling around like this it will cause tracking anomalies man this
is some of the nerdiest stuff i've ever done it doesn't get any better from here
because the next thing i'm going to do is roll up my pants a little bit actually to make sure that the pants
don't cover the tracking dots that's one of the reasons you can't just duct tape
these things to your feet because if you cover up too many of the
tracking points then it won't work so yeah we're going flood pants for the
rest of this video with the trackers on my feet we just go into settings
controllers manage vive trackers and make sure that i set the correct roles
for each of them you can see you can actually load yourself up with trackers but we're
going to be going for a relatively modest setup so selfie that's
all good avatar now we're going to add oh yes
feet now that's a little bunged up that's okay we can calibrate that there we go
look at that hand step and step and step
and twirl
there's all kinds of dancing you can do like this
i know so if i was to move back and forth how's
my motion now a little more natural
fine a little weird yeah i mean what's weird about it exactly because i think there's
more than more than one thing that's a little weird right now to achieve a more
convincing level of full body tracking we need just one more tracker this one
is going to go right around the hips because that's really where these joints
move and now we've got full hip wiggle
tracking all right let's have a look at how that works you know you haven't seen enough of this
yeah we're gonna need to recalibrate that
that's where the tracking problems come in and now my butt is up in the air this
was where i was stumped for like two weeks
i tried every combination of ports on the system i tried usb extensions
because i thought it might be a range issue or compatibility issue with the tracker dongles
none of them fix the problem but what i'm hoping
because i really hope we're finishing a video today is that i have the real
solution now in this care package from valve a
typical vr setup has two base stations
you got one on one corner and then you've got one over on the other corner
the problem is that as soon as you've got feet involved and closed and you're
moving around like this or you're you've got your tether coming down the back of
your body it's really easy for the trackers to get occluded from one or
even both of the base stations which is what causes them to drift now i have
particular issues with number c
letter c suggesting that it's not entirely occlusion issues and it could
be a weak radio in here but whatever this
i'm hoping is going to solve it once and for all i'm adding not one but two more
base stations which actually from anecdotal evidence seems to give better
tracking performance just in all cases not just if you're trying to do a full
body setup like what i'm doing i'm not entirely confident this is going to fix
the issue which is why you don't see me drilling any holes in my ceiling just yet
but i am pretty sure
come on stop it
whatever you wanted to replace these floors anyway right wow that's pretty impressive so these
just fired right up looks like one of them needs a firmware update and my
headset my headset got a firmware update while we were working on this this is
compelling youtube content it's moment of truth time now
and my feet are still wandering off into
the sunset okay maybe the answer is a combination
of the two oh that looks way better wow i'm looking through my own waist
shaking it i've got hope no i got rid of
my my saber again
oh no they're drifting what the why are they drifting quite
literally no reason on earth
for this tracker to drift it has three lighthouses
hello what are you doing
there it goes all right see it's here that's where it is
not here here wait why is it up here
new idea sometimes having large reflective surfaces in the room can cause problems
you know that moment when you get a big OLED gaming tv and then you put a
blanket over it to game nope they're all over the place now new
idea and ironically my wife's she was like hey do the antennas have a
particular pickup pattern i was like oh yeah they would be designed to
be plugged in on their little thing probably so she's like oh well why don't
you put them up right well i don't have more of those little bases so how about
this first solution
let's see if that helps good
yeah it's glitching again new idea guys it might be my mic pack
and power that off ouch
are we good wow that actually looks a lot better
fresh day fresh perspective fresh computer i've actually wired up my
test bench with the boot drive from my vr pc let's give it a shot
it seems to be behaving quite a bit better so you can see now as i shift my
hips around in vr we've actually got a fairly
natural style of movement except when the tracker disappears through the floor
which it seems to be doing less of but still doing it which is sort of
unbelievable to me at this point but we're gonna have to call this as good as we can get it for now so let's fulfill
the promise in the title transforming into ninja
chick or whatever this one's called
looking not bad now let's give it a run
does it look alright right now is it working
okay i'm just going to put aside how frustrating the last day
has been and how sleep-deprived i am and i'm just going to play the game
and have fun does it look significantly more natural
than just having the feet i honestly don't remember now
feels like a lifetime ago to me too games are supposed to be fun right then
i'm just gonna have fun now i'm not gonna stress about missing a block or a
little glitch here and there this is supposed to be about documenting fun
see that block i miss right there fun
it's hard to have fun when you're sleep deprived low blood sugar
and so frustrated you can't see strain
yeah i will not rage quit i will rage persevere
dancing to the song that i can barely
hear over the blood pressure in my ears
oh i don't know if i can say that that's worth it
but uh i don't know does at least look kind of cool until i check the headset onto the
couch and it looks like i dive bombed it you know i feel like dive bombing into
the couch
guys i think that it's fixed check this out
ah
that looks really good doesn't it still getting a little bit of glitchiness but
what i did was i changed over to a four port usb card that has a separate
controller for every single port and it looks like after all that the issue
really was some kind of usb incompatibility so i got the diagnosis
right but then i solved the problem
incorrectly is that does it look good like it seems pretty good oh i wondered
i wandered forward a little bit okay and this whole experience is brought to
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we're gonna have that linked below if you guys enjoyed this video maybe check
out my full review of the valve index oh actually no go check out the mixed
reality one which truthfully was far less frustrating
even though it also had its moments