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South Coast NSW here

Discussion in 'New users start here - FAQ' started by Jesse05James, Feb 21, 2015.

  1. Jesse05James

    Jesse05James New Member

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    Hi from the South Coast of NSW,
    I am currently building a joyrider flyer and have used trampolines for the frame from the local recycling center, skate board wheels and bearings again from the recycling center. I should do a pic... even if it does currently look like some kind of weird steel tube contraption.
    I have a choice of a standard definition LCD TV or a triple 22" screens. I currently use freetrack for head tracking via wiimote, although am thinking of moving to a 'mpu9150/ed-tracker' setup.
    Currently my triple screen set up is about an arms length from my face and have stripped the bezels to the actual aluminum frame (10mm - total about 20mm/bezel). The screens give awesome resolution and having them in portrait fills my vision so freetrack becomes much more natural. Will be adding Adalight eventually to spread the peripheral light further.
    I have in my garage 6 wheel chair motors that I was lucky enough to be given... Awesome I know... so I was thinking... Stewart?

    I have a big question, would gyroscopic head tracking work on a motion sim? Anyone got it? I ask because I would like to use my wiimote via Bluetooth as the flight stick, it works awesome and no wires.

    Anyway... Hi.. nice to meet you all. :)
    Jesse05James, Feb 21, 2015
    #1
  2. noorbeast

    noorbeast VR Tassie Devil Staff Member Moderator Race Director

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    I am certainly looking forward to those pictures of your rig and screen setup @Jesse05James, most unusual and a very creative use of a trampoline if ever there was one.

    Can you explain a little more about what you want to know about gyroscopic head tracking and the wiimote as a joystick as I have not quite got my head around what you mean.
    noorbeast, Feb 21, 2015
    #2
  3. Jesse05James

    Jesse05James New Member

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    Hi Noorbeast, In a regular gaming setup using gyro head tracking everything is relative to the horizon (the actual one) as its point of reference, if your in motion would the gyro be giving false values if its point of reference is always moving?

    I currently use a wiimote as the camera for freetrack, I dont want to destroy my current joystick. I have setup (in the past) my wiimote as a joystick thru pp-joy (from memory). It worked really well, I could still fly while making a one handed coffee. I had an air joystick (brilliant!... well I thought anyway). I could mount it to the flight control bit/stick/thingy of the joyrider. Batteries last ages and its wireless. Now for what ever reason I cant have both wiimote going at once.. freetrack only recognizes the joystick wiimote and not the other? dunno.. anyway if gyros work like I dont think they will (unless I added another to the screen (POR) and used that as a point of reference)... then I could use the gyro as the head tracker and wiimote as flight stick... omg... does this make any sense?
    Jesse05James, Feb 21, 2015
    #3
  4. bsft

    bsft

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    bsft, Feb 21, 2015
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  5. noorbeast

    noorbeast VR Tassie Devil Staff Member Moderator Race Director

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    Ok, yes without motion cancellation there is a negative effect with head tracking, which equally applies to the Oculus Rift.

    As yet there is not a generic way to implement motion cancellation as a solution, though it can be done by game developers at a source level. With the rift you can mount the sensing camera on the rig to eliminate the effect of motion. However it only really works well with gentle flight simulation, not aggressive combat or racing motion profiles which induce far too much vibration in the rig. The same would likely be true for for an infrared approach like the wiimote but it would be worth a shot and is very cheap to do.

    Just some further food for thought. If your interest is gyro head tracking another thing you could consider is using a gyro mouse, as the tracking is far more accurate than infrared approaches and it is still pretty cheap. It may look dorky but a remote style gyro mouse can be strapped to a headphone head strap with 2 rubber bands for pretty robust instant head tracking, which incidentally will work with any game!
    noorbeast, Feb 21, 2015
    #5
  6. Jesse05James

    Jesse05James New Member

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    It seems to me that getting the gyro to work is way over my capabilities for now.. tho it must be possible. My balance/skate board may get bumped up.

    In my mind it seems the screen is the center of everything, so if I stick to my freetrack setup and mount them just under my screens as I do now, then it should be sweet... the screen thru to seat are locked together via construction.. soooo... use the gyro as the flight stick axis.. using Arduino.. I have an old analog stick I could hack. Sweet.

    Freetrack works great so happy to stick with that.. I have 2 Arduino micro's.. slider pot for throttle, turn pot for diy step machine/rudder pedals, two axis's via gyro. heaps of button options... this gonna take longer than I thought. Fun tho..

    Thanks noorbeast for your input and thanks to bsft for the links.. great ideas.

    motorizing the joyrider would defeat its purpose in my mind.. I like it that it requires no additional software or power.. and with the skate board bearings its really quiet. and the stick actually should be fairly tactile.

    I think I'll build a 3 dof racing rig for my son with the motors.. hell maybe two... then we could race... OMG... YES!!! Be a great learning project for me/hopefully us.

    Then... beg my mate for 6 more motors.. for Stewart... of course.
    Jesse05James, Feb 21, 2015
    #6
  7. Archie

    Archie Eternal tinkerer

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    Archie, Feb 21, 2015
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  8. Jesse05James

    Jesse05James New Member

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    Hey Archie.. gotta love the south coast... :)
    • Agree Agree x 1
    Jesse05James, Feb 22, 2015
    #8
  9. Jesse05James

    Jesse05James New Member

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    Here's a couple of quick snaps of my joyrider build.... in progress of course.

    I still have lots to do... but it is whisper quiet, I am going to shape the supporting skate board wheels so they lock in together like a V-slot type of thing.. various bracings, etc... the rear end will be cut down to roller level, the front will stay, I intend on mounting the PC there and will provide a good point for running cables to the screens. P1030340.JPG P1030341.JPG
    • Like Like x 1
    Jesse05James, Feb 23, 2015
    #9