Home Forums Software Development dev How can i get eyeposition by Unity SDK?

This topic contains 6 replies, has 3 voices, and was last updated by Profile photo of Matsumoto Matsumoto 9 months, 1 week ago.

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  • #6439
    Profile photo of Matsumoto
    Matsumoto
    Participant

    Hi.
    I’d like to get the position of the eyeballs relative to the screen.
    How can i get it by Unity SDK?

    Does the position include the coordinate(x, y, z)?

    #6442
    Profile photo of Alex [Tobii]
    Alex [Tobii]
    Keymaster

    Hi!

    We decided to remove eyeball positions stream in the upcoming API update. Instead you will be able to access head pose stream (x, y, z, yaw, pitch, roll) which will come in higher precision than the old eyeball position stream. Is it something that would suit your needs?

    #6465
    Profile photo of Matsumoto
    Matsumoto
    Participant

    Thank you for your reply.
    Which SDKversion do you remove eyeball positions??
    Can i use eyeball positions by v2.0 Beta?

    #6467
    Profile photo of Alex [Tobii]
    Alex [Tobii]
    Keymaster

    Hi!

    There’s a reason we removed eyeball positions. Unfortunately 3d eyeball position signal is unstable and is significantly worse than gaze point signal, so we don’t want developers to utilize it. We might add it back in the future if we manage to make it better. If you tell us more about your application I will try to help you solving the particular problem.

    #6481
    Profile photo of Jenny [Tobii]
    Jenny [Tobii]
    Moderator

    Hi @matsumoto,

    Which SDKversion do you remove eyeball positions??
    Can i use eyeball positions by v2.0 Beta?

    It was removed with v2.0 Beta, so you cannot use eyeball positions with that version.

    #6493
    Profile photo of Matsumoto
    Matsumoto
    Participant

    Hi @jenny
    Thank you for your reply.
    I will consider it by Alex’s suggestion.

    #6494
    Profile photo of Matsumoto
    Matsumoto
    Participant

    Hi @alex,
    Thank you for your suggestion.

    I’d like to develop app which change picture by Right-eyeball position(x, y, z).
    It’s not eye-gaze(x, y).

    Can i calculate Right-eyeball position(x, y, z) by head-pose(x, y, z)?
    Or, is there another method?

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