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This topic contains 1 reply, has 2 voices, and was last updated by  Grant [Tobii] 3 weeks ago.

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    Johnson Olayiwola

    Hello everyone,
    So I just integrated the Vive pro eye in unity, but I don’t know how to get the raw data (gaze data). Am I installing another software to output the raw data? Thanks.


    Grant [Tobii]

    Hi @johnolap and thanks for your query. You can get access to the gaze data from the eye tracker device via the GazeRay object.

    The GazeRay is a Struct containing the gaze ray for left and right eye composed of: Origin – The point in world space for the origin of the gaze ray & Direction – The normalized direction vector in world space for the direction of the gaze ray.

    Please find below a simple code snippet to use this object

    private void Update () 
        var gazeRay = TobiiXR.EyeTrackingData.GazeRay;
        // Check if gaze ray is valid
            // Eye Origin is in World Space
            var rayOrigin = TobiiXR.EyeTrackingData.GazeRay.Origin;
            // Eye Direction is a normalized direction vector in World Space
            var rayDirection = TobiiXR.EyeTrackingData.GazeRay.Direction;

    You can find further details about this @ https://vr.tobii.com/sdk/develop/unity/documentation/api-reference/

    Please do let us know if we can provide any further information. Best Wishes.

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