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 KerbTrack
 Author:    pizzaoverhead
 Version:   1.5
 Released:  2018-03-14
 KSP:       v1.4.1

 Thread:    https://forum.kerbalspaceprogram.com/index.php?/topic/66352-122-kerbtrack-v14-head-tracking-using-your-webcam-trackir-oculus-rift-joystick-2017-03-12/
 Licence:   GNU v2, http://www.gnu.org/licenses/gpl-2.0.html
 Source:    https://github.com/pizzaoverhead/KerbTrack
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KerbTrack allows controlling the camera by looking around using your head.

To install KerbTrack, extract the contents of the zip to the root KSP folder, next to KSP.exe, merging with the GameData folder. To change the settings in-game, pause the game with Esc during a flight, and a new window will appear. You can test out your tracker's movement even while the game is paused. By default, the Scroll Lock key enables and disables the tracker. The tracker will disable itself if it encounters an error, so check that it is enabled at the top of the window if you don't see any movement.

See below for the detail of the different tracker:

TrackIR
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Supports TrackIR and other systems which emulate it, such as opentrack.
When using opentrack, select TrackIR as the tracker in KerbTrack. In the opentrack, set the Input tracker appripriate to your hardware setup, and select "freetrack 2.0 Enhanced" as the Output.In the Output settings, ensure "Use TrackIR" or "Enable both" is selected.
Thanks to Stilton and Medsouz for their contributions to adding TrackIR support.

Joystick
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Joystick mode can be used to assign the axes of a joystick or gamepad to camera orientation. This can also be used in conjunction with headtrackers not directly supported by KerbTrack by setting the head tracker to operate as a virtual joystick. Press Escape during the game to pause, bringing up the setup menu, and select "Joystick" mode. The menu then allows configuring which joystick to use and which axis to assign to which direction.


Version history
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1.5 (2018-03-14)
- Updated for KSP 1.4.1.
- Added support for opentrack.
- Added position axes to joystick tracker.
- Added description text for trackers.
- Removed defunct trackers: use opentrack with the TrackIR setting, or set your tracker to output to the Joystick setting.


1.4 (2017-03-12)
- Updated for KSP 1.2.2.
- Added improved handling for TrackIR errors.
- Improved accuracy for position scale editor.
- Updated GUI.

1.3 (2016-10-24)
- Updated for KSP 1.2.
- Added FTNoIR zeroed data fix (thanks to @DaMichel for this).
- Changed logging to use [KerbTrack] to take advantage of the new KSP log colorising system.

1.2 (2015-08-09)
- Added support for joystick control.

1.1.3 (2015-08-09)
- Fixed Oculus Rift quaternion tracker.
- Upgraded to OVR SDK 0.6.0.1.

1.1.2 (2014-10-16)
- Fixed persistence for scene toggles.

1.1.1 (2014-10-13)
- Added Add-on Version Checker support.
- Added missing files.

1.1 (2014-10-13)
- Added support for FeepingCreature's IQuatTracker for more accurate Oculus Rift tracking.
- Added the ability to disable tracking in external and map views.

1.0 (2014-09-13)
- First full release.
- Added support for TrackIR and the Oculus Rift.

0.1 (2014-03-27)
- Initial alpha release.