private void OnGazePoint(Tobii.GameIntegration.Net.GazePoint gazePoint)
{
long eyetrackerCurrentUs = gazePoint.TimeStampMicroSeconds; // TODO awaiting new API from tgi;
float timeStampUnityUnscaled = Time.unscaledTime - ((eyetrackerCurrentUs - gazePoint.TimeStampMicroSeconds) / 1000000f);
var bounds = _tobiiHost.GameViewInfo.NormalizedClientAreaBounds;
if (float.IsNaN(bounds.x) ||
float.IsNaN(bounds.y) ||
float.IsNaN(bounds.width) ||
float.IsNaN(bounds.height) ||
bounds.width < float.Epsilon ||
bounds.height < float.Epsilon)
{
return;
}
var x = (0.5f + gazePoint.X * 0.5f - bounds.x) / bounds.width;
var y = (0.5f + gazePoint.Y * 0.5f - (1 - bounds.height - bounds.y)) / bounds.height;
Last = new GazePoint(new Vector2(x, y), timeStampUnityUnscaled, gazePoint.TimeStampMicroSeconds);
}
