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General => Custom hardware => Topic started by: davidboda46 on October 21, 2016, 10:54:08 AM

Title: 2 EdTrackers at the same time (for body movement)?
Post by: davidboda46 on October 21, 2016, 10:54:08 AM
Anyone know if it's possible to have 2 EdTrackers active simultaneously? I am playing with the idea of using one of them for rider movement, like attaching it somehow to the body and controlling the virtual rider with real body motions. But since I only own one EdTracker, I wanted to check if it's even possible to do (and if "yes", maybe it's smarter to wait for the wireless version of Edtracker, if it's ever released(?) http://www.edtracker.co.uk/support/news/16-stock-update-and-wireless-news (http://www.edtracker.co.uk/support/news/16-stock-update-and-wireless-news) ). Of course it would be even better if I had the cash to invest in a VR-system as well, but that is something for the future (hopefully someone will hack the PS VR so it can be used fully on a PC, as that would be the cheapest option at the moment).

Then there is the question if you can calibrate it good enough in GP-bike so it is sensitive enough without being overly sensitive. Is body controlled movement a plausible idea or am I just insane?

Cheers,

/David "Gonzo" Boda #46 
Title: Re: 2 EdTrackers at the same time (for body movement)?
Post by: doubledragoncc on October 21, 2016, 10:57:37 AM
In theory it should work david as I can use 2 Leo Bodnar boards at the same time. I have been thinking about this idea too but would rather make a body unit that plugs into the spare analogs on my BU board. Still I think you should be okay with 2 EdTracker units, maybe try different USB ports as this can make a difference in Windows.

DD
Title: Re: 2 EdTrackers at the same time (for body movement)?
Post by: h106frp on October 21, 2016, 11:29:59 AM
Only got the one but it should work as the once calibrated it does not need the host app and just natively emulates a joystick. The only complication would be whether you have to plug/unplug to configure the EDtracker using it software.

The guys at EDTracker are great with support so just drop them an email and they will be able to confirm.
Title: Re: 2 EdTrackers at the same time (for body movement)?
Post by: teeds on October 21, 2016, 12:08:39 PM
Quote from: davidboda46 on October 21, 2016, 10:54:08 AM
Then there is the question if you can calibrate it good enough in GP-bike so it is sensitive enough without being overly sensitive. Is body controlled movement a plausible idea or am I just insane?

I've set a single one up in MXBikes for rider lean and it worked fine, so should in GPB. I had to use software to adjust for full saturation at about 13 degrees from upright to make it react accordingly for me in game.
Title: Re: 2 EdTrackers at the same time (for body movement)?
Post by: doubledragoncc on October 21, 2016, 12:10:28 PM
great bit of info teeds thanks buddy

DD
Title: Re: 2 EdTrackers at the same time (for body movement)?
Post by: davidboda46 on October 21, 2016, 12:12:01 PM
Thanks for the info guys!

Cheers,

/David "Gonzo" Boda #46
Title: Re: 2 EdTrackers at the same time (for body movement)?
Post by: HornetMaX on October 21, 2016, 12:18:12 PM
Keep in mind EdTracker detects rotations: I'm not sure you could find a spot that gives good results for rider lean fwd/back and left/right.
But that's easy to try out if you have one EdTracker. At any rate, the exact way (position and orientation) you fix it to your body will be very important.

Likely you'll have to use something like Joystick Gremlin to fine tune the curves, but that shouldn't be a problem, even with 2 EdTrackers.
Title: Re: 2 EdTrackers at the same time (for body movement)?
Post by: doubledragoncc on October 21, 2016, 12:40:49 PM
In tests I have done with gyros I find the shoulder to be the best place as it gives the most body movement.
I am working on a 3D print design for simple positive mounting.

DD
Title: Re: 2 EdTrackers at the same time (for body movement)?
Post by: teeds on October 21, 2016, 01:05:45 PM
I cable tied my tracker to a Go-Pro chest mount. Didn't use it for long though as TBH it was a faf, and the cable annoyed me. Also in MXBikes I use  rider lean more as an additional bike lean so it didn't really feel right. Didn't try it in GPB though and this will feel different as you lean with the bike, unlike MXB.

Joystick Gremlin is what I used to adjust the axis.
Title: Re: 2 EdTrackers at the same time (for body movement)?
Post by: davidboda46 on October 21, 2016, 01:20:56 PM
Or you could just sit naked on a joystick, although that would probably be a bit to painful, unless you have a modded old tac2!  ;D 

(https://c5.staticflickr.com/6/5778/30170199780_d501b2663a_z.jpg) (https://flic.kr/p/MY3ahh)tac2 (https://flic.kr/p/MY3ahh) by David (https://www.flickr.com/photos/david46/), on Flickr

Cheers,

David "Gonzo" Boda #46
Title: Re: 2 EdTrackers at the same time (for body movement)?
Post by: teeds on October 21, 2016, 01:41:41 PM
lol Use lube eh  ;)
Title: Re: 2 EdTrackers at the same time (for body movement)?
Post by: Warlock on October 21, 2016, 02:34:03 PM
Lol   ;D
Title: Re: 2 EdTrackers at the same time (for body movement)?
Post by: HornetMaX on October 21, 2016, 02:49:42 PM
Quote from: davidboda46 on October 21, 2016, 01:20:56 PM
Or you could just sit naked on a joystick, although that would probably be a bit to painful, unless you have a modded old tac2!  ;D 
Your call, but in case, please take a picture and post here :)

I'm wondering if the head is not an option too: of course, if you have rider lean tied to the head, then it may be a bit tricky to also have head tracking for the onboard view but if you limit the head tracking to a single axis (look left/right, i.e. head yaw) you can use the rest (head pitch up/down, head tilt left/right) for the rider lean.

2 EdTrackers strapped on your head !! Epic !
Title: Re: 2 EdTrackers at the same time (for body movement)?
Post by: teeds on October 21, 2016, 04:03:15 PM
Quote from: HornetMaX on October 21, 2016, 02:49:42 PM
Your call, but in case, please take a picture and post here :)

Umm or maybe just PM it to Max  :o
Title: Re: 2 EdTrackers at the same time (for body movement)?
Post by: HornetMaX on October 21, 2016, 04:20:13 PM
Quote from: teeds on October 21, 2016, 04:03:15 PM
Quote from: HornetMaX on October 21, 2016, 02:49:42 PM
Your call, but in case, please take a picture and post here :)

Umm or maybe just PM it to Max  :o
It's ransom material, always useful :)
Title: Re: 2 EdTrackers at the same time (for body movement)?
Post by: doubledragoncc on October 21, 2016, 05:55:13 PM
My bottom is a one way street so that is out of the question but using the head for body movement is wrong. It is your head and your body moves less so input would be wrong. The shoulder is the best place I have found so far and also easier to mount a unit.

How about a gyro on the end of...............................No way, wont work.........................tried it ;D

DD
Title: Re: 2 EdTrackers at the same time (for body movement)?
Post by: davidboda46 on October 21, 2016, 10:50:40 PM
The problem is that Edtracker only have 6 axes (if I count correctly?). I would gladly exchange horisontal tilt with forward/backward or horisontal left/right. I saw an article about the Edtracker software combined with a webcam for face tracking but I don't have one so I have not had a chance to try that.

Also, if I remember correctly from my youth, there was a tac2 clone with a smaller ball (think it was orange but can't remember the name of the joystick). Just saying  ;D

Cheers,

David "Gonzo" Boda #46
Title: Re: 2 EdTrackers at the same time (for body movement)?
Post by: HornetMaX on October 21, 2016, 11:15:33 PM
Quote from: davidboda46 on October 21, 2016, 10:50:40 PM
The problem is that Edtracker only have 6 axes (if I count correctly?). I would gladly exchange horisontal tilt with forward/backward or horisontal left/right. I saw an article about the Edtracker software combined with a webcam for face tracking but I don't have one so I have not had a chance to try that.
Each EdTracker has 3 rotation axes, but no translation axes at all: it only detect rotations, not linear movements.
Title: Re: 2 EdTrackers at the same time (for body movement)?
Post by: davidboda46 on October 21, 2016, 11:21:12 PM
Quote from: HornetMaX on October 21, 2016, 11:15:33 PM
Quote from: davidboda46 on October 21, 2016, 10:50:40 PM
The problem is that Edtracker only have 6 axes (if I count correctly?). I would gladly exchange horisontal tilt with forward/backward or horisontal left/right. I saw an article about the Edtracker software combined with a webcam for face tracking but I don't have one so I have not had a chance to try that.
Each EdTracker has 3 rotation axes, but no translation axes at all: it only detect rotations, not linear movements.

Ahh of course, 3 axels, six directions... stupid me :)

Cheers,

David "Gonzo" Boda #46
Title: Re: 2 EdTrackers at the same time (for body movement)?
Post by: doubledragoncc on October 22, 2016, 08:21:22 AM
This is why I am trying to find a good breakout board with accelerometers and gyros to use but most are only 3.3 volt so have to add a voltage regulator to use my 5 volt BU boards. Fungizmos is down and waiting for them to get back up to see what they have now as they have been great so far for this.

DD