===== Techniques =====
==== ir lighting and lenses ====
  * need to keep lighting on stage low
  * point grey sells 120fps cams
  * flood stage with IR light then look for silhouettes
==== Motion Trackers ====
  * can do realtime
  * typically incorporated with SteamVR
    * Unity seems to have support
  * need minimum of 3 (L leg, R leg, hip) but can have more
=== Brands ===
  * Vive
    * the standard
    * v3.0 has 8 hour battery life.
    * fairly bulky
    * can increase range by using up to 4 base stations (lighthouses) although has been tested with 16
  * Tundra
    * 1/2 the weight and size as Vive
    * has developer kit
  * [[https://www.crowdsupply.com/slimevr/slimevr-full-body-tracker|SlimeVR]]
    * this looks fantastic but it is in preorder and they aren't shipping until March 2024.
    * range is Wi-Fi range
    * they have a nice comparison chart
  * [[https://en.shiftall.net/products/haritorax|Haritorax]]
    * sensors you wear
    * BT range
    * < $500
  * [[https://electronics.sony.com/more/mocopi/all-mocopi/p/qmss1-uscx|mocopi]]
    * similar to Haritorax?
    * uses BT.
    * 6 trackers you wear. < $500
    * works with Unity
    * might only connect with phone?
    * [[https://www.reddit.com/r/virtualreality/comments/10vohjm/psa_dont_buy_sony_mocopi_for_vr_ive_found_its/|complaints about drift and heavy processing]]
  * [[https://us.store.rokoko.com/Rokoko]]
    * [[https://us.store.rokoko.com/products/smartsuit-pro-ii|full suit]] starts at $2K
  * add sensors to shoes
    * [[https://cargocollective.com/lesiatrubat/EVENTS|example]]
  * [[https://shop.movella.com/us/entertainment/products|movella and xsens]]
    * this looks like a $5K investment
    * targetting industry
  * [[https://store.steampowered.com/app/2370570/Standable_Full_Body_Estimation/Standable|Standable]]
    * this appears to be a software-only solution and still requires motion trackers?
=== Interfacing ===
  * SteamVR
  * OpenVR
  * OpenXR
    * this looks like the future open standard