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feat(babble): adding eye-tracking support for Baballonia#27

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galister:mainfrom
xuan25:feat/baballonia-support
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feat(babble): adding eye-tracking support for Baballonia#27
xuan25 wants to merge 2 commits into
galister:mainfrom
xuan25:feat/baballonia-support

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@xuan25 xuan25 commented Apr 4, 2026

This PR adds eye-tracking support for Baballonia, a new face-tracking client developed by ProjectBabble.

Baballonia exposes the following addresses for eye-tracking parameters:

  • /LeftEyeX
  • /RightEyeX
  • /LeftEyeY
  • /RightEyeY
  • /LeftEyeLid
  • /RightEyeLid

Most of these can be mapped to existing unified expressions, except for /LeftEyeY and /RightEyeY. Since most VRChat avatars support only a single /EyeY parameter, I believe it makes sense to keep the unified output expression unchanged for now and map only one of the eye inputs.

@xuan25 xuan25 marked this pull request as ready for review April 4, 2026 22:37
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