/// <summary>
/// get the position of the eye gaze in normalized viewport space
/// </summary>
public Vector3 GetViewportGazePoint()
{
Vector2 screenGazePoint = Vector2.one * 0.5f;
#if CVR_FOVE //screenpoint
//var normalizedPoint = FoveInterface.GetNormalizedViewportPosition(ray.GetPoint(1000), Fove.EFVR_Eye.Left); //Unity Plugin Version 1.3.1
var normalizedPoint = cam.WorldToViewportPoint(ray.GetPoint(1000));
//Vector2 gazePoint = hmd.GetGazePoint();
if (float.IsNaN(normalizedPoint.x))
{
return(screenGazePoint);
}
screenGazePoint = new Vector2(normalizedPoint.x, normalizedPoint.y);
#elif CVR_PUPIL//screenpoint
screenGazePoint = PupilData._2D.GetEyeGaze("0");
#elif CVR_TOBIIVR
screenGazePoint = cam.WorldToViewportPoint(_eyeTracker.LatestProcessedGazeData.CombinedGazeRayWorld.GetPoint(1000));
#elif CVR_NEURABLE
screenGazePoint = NeurableUnity.NeurableUser.Instance.NeurableCam.NormalizedFocalPoint;
#elif CVR_AH
Vector3 x = ah_calibrator.GetGazeOrigin();
Vector3 r = ah_calibrator.GetGazeVector();
screenGazePoint = cam.WorldToViewportPoint(x + 10 * r);
#endif
return(screenGazePoint);
}
public bool CombinedWorldGazeRay(out Ray ray)
{
Vector3 r = ah_calibrator.GetGazeVector(filterType: AdhawkApi.Numerics.Filters.FilterType.ExponentialMovingAverage);
Vector3 x = ah_calibrator.GetGazeOrigin();
ray = new Ray(x, r);
return(true);
}
/// <summary>
/// get the position of the eye gaze in normalized viewport space
/// </summary>
public Vector3 GetViewportGazePoint()
{
Vector2 screenGazePoint = Vector2.one * 0.5f;
#if CVR_FOVE //screenpoint
//var normalizedPoint = FoveInterface.GetNormalizedViewportPosition(ray.GetPoint(1000), Fove.EFVR_Eye.Left); //Unity Plugin Version 1.3.1
var normalizedPoint = GameplayReferences.HMDCameraComponent.WorldToViewportPoint(GameplayReferences.FoveInstance.GetGazeRays().left.GetPoint(1000));
//Vector2 gazePoint = hmd.GetGazePoint();
if (float.IsNaN(normalizedPoint.x))
{
return(screenGazePoint);
}
screenGazePoint = new Vector2(normalizedPoint.x, normalizedPoint.y);
#elif CVR_PUPIL//screenpoint
screenGazePoint = pupilViewportPosition;
#elif CVR_TOBIIVR
if (Tobii.XR.TobiiXR.Internal.Provider.EyeTrackingDataLocal.GazeRay.IsValid)
{
var gazeray = Tobii.XR.TobiiXR.Internal.Provider.EyeTrackingDataLocal.GazeRay;
screenGazePoint = GameplayReferences.HMDCameraComponent.WorldToViewportPoint(gazeray.Origin + GameplayReferences.HMD.TransformDirection(gazeray.Direction) * 1000);
}
#elif CVR_VIVEPROEYE
var leftv2 = Vector2.zero;
var rightv2 = Vector2.zero;
bool leftSet = ViveSR.anipal.Eye.SRanipal_Eye.GetPupilPosition(ViveSR.anipal.Eye.EyeIndex.LEFT, out leftv2);
bool rightSet = ViveSR.anipal.Eye.SRanipal_Eye.GetPupilPosition(ViveSR.anipal.Eye.EyeIndex.RIGHT, out rightv2);
if (leftSet && !rightSet)
{
screenGazePoint = leftv2;
}
else if (!leftSet && rightSet)
{
screenGazePoint = rightv2;
}
else if (leftSet && rightSet)
{
screenGazePoint = (leftv2 + rightv2) / 2;
}
#elif CVR_NEURABLE
screenGazePoint = Neurable.Core.NeurableUser.Instance.NeurableCam.NormalizedFocalPoint;
#elif CVR_AH
Vector3 x = ah_calibrator.GetGazeOrigin();
Vector3 r = ah_calibrator.GetGazeVector();
screenGazePoint = GameplayReferences.HMDCameraComponent.WorldToViewportPoint(x + 10 * r);
#elif CVR_SNAPDRAGON
var worldgazeDirection = SvrManager.Instance.leftCamera.transform.TransformDirection(SvrManager.Instance.EyeDirection);
screenGazePoint = GameplayReferences.HMDCameraComponent.WorldToScreenPoint(GameplayReferences.HMD.position + 10 * worldgazeDirection);
#endif
return(screenGazePoint);
}
/// <summary>
/// get the position of the eye gaze in normalized viewport space
/// </summary>
public Vector3 GetViewportGazePoint()
{
Vector2 screenGazePoint = Vector2.one * 0.5f;
#if CVR_FOVE //screenpoint
//var normalizedPoint = FoveInterface.GetNormalizedViewportPosition(ray.GetPoint(1000), Fove.EFVR_Eye.Left); //Unity Plugin Version 1.3.1
var normalizedPoint = GameplayReferences.HMDCameraComponent.WorldToViewportPoint(GameplayReferences.FoveInstance.GetGazeRays().left.GetPoint(1000));
//Vector2 gazePoint = hmd.GetGazePoint();
if (float.IsNaN(normalizedPoint.x))
{
return(screenGazePoint);
}
screenGazePoint = new Vector2(normalizedPoint.x, normalizedPoint.y);
#elif CVR_PUPIL//screenpoint
screenGazePoint = pupilViewportPosition;
#elif CVR_TOBIIVR
if (Tobii.XR.TobiiXR.Internal.Provider.EyeTrackingDataLocal.GazeRay.IsValid)
{
var gazeray = Tobii.XR.TobiiXR.Internal.Provider.EyeTrackingDataLocal.GazeRay;
screenGazePoint = GameplayReferences.HMDCameraComponent.WorldToViewportPoint(gazeray.Origin + GameplayReferences.HMD.TransformDirection(gazeray.Direction) * 1000);
}
#elif CVR_VIVEPROEYE
var leftv2 = Vector2.zero;
var rightv2 = Vector2.zero;
bool leftSet = ViveSR.anipal.Eye.SRanipal_Eye.GetPupilPosition(ViveSR.anipal.Eye.EyeIndex.LEFT, out leftv2);
bool rightSet = ViveSR.anipal.Eye.SRanipal_Eye.GetPupilPosition(ViveSR.anipal.Eye.EyeIndex.RIGHT, out rightv2);
if (leftSet && !rightSet)
{
screenGazePoint = leftv2;
}
else if (!leftSet && rightSet)
{
screenGazePoint = rightv2;
}
else if (leftSet && rightSet)
{
screenGazePoint = (leftv2 + rightv2) / 2;
}
#elif CVR_NEURABLE
screenGazePoint = Neurable.Core.NeurableUser.Instance.NeurableCam.NormalizedFocalPoint;
#elif CVR_AH
Vector3 x = ah_calibrator.GetGazeOrigin();
Vector3 r = ah_calibrator.GetGazeVector();
screenGazePoint = GameplayReferences.HMDCameraComponent.WorldToViewportPoint(x + 10 * r);
#elif CVR_SNAPDRAGON
var worldgazeDirection = SvrManager.Instance.leftCamera.transform.TransformDirection(SvrManager.Instance.EyeDirection);
screenGazePoint = GameplayReferences.HMDCameraComponent.WorldToScreenPoint(GameplayReferences.HMD.position + 10 * worldgazeDirection);
#elif CVR_XR
UnityEngine.XR.Eyes eyes;
if (UnityEngine.XR.InputDevices.GetDeviceAtXRNode(UnityEngine.XR.XRNode.CenterEye).TryGetFeatureValue(UnityEngine.XR.CommonUsages.eyesData, out eyes))
{
//first arg probably to mark which feature the value should return. type alone isn't enough to indicate the property
Vector3 convergancePoint;
if (eyes.TryGetFixationPoint(out convergancePoint))
{
Vector3 leftPos = Vector3.zero;
eyes.TryGetLeftEyePosition(out leftPos);
Vector3 rightPos = Vector3.zero;
eyes.TryGetRightEyePosition(out rightPos);
Vector3 centerPos = (rightPos + leftPos) / 2f;
var worldGazeDirection = (convergancePoint - centerPos).normalized;
screenGazePoint = GameplayReferences.HMDCameraComponent.WorldToScreenPoint(GameplayReferences.HMD.position + 10 * worldGazeDirection);
}
}
#endif
return(screenGazePoint);
}
