/// <summary>
/// get the raw gaze direction in world space. includes fove/pupil labs eye tracking
/// </summary>
public Vector3 GetWorldGazeDirection()
{
Vector3 gazeDirection = CameraTransform.forward;
#if CVR_FOVE //direction
var eyeRays = FoveInstance.GetGazeRays();
var ray = eyeRays.left;
gazeDirection = new Vector3(ray.direction.x, ray.direction.y, ray.direction.z);
gazeDirection.Normalize();
#elif CVR_PUPIL
//var v2 = PupilGazeTracker.Instance.GetEyeGaze(PupilGazeTracker.GazeSource.BothEyes); //0-1 screen pos
var v2 = PupilData._2D.GetEyeGaze("0");
//if it doesn't find the eyes, skip this snapshot
//if (PupilTools.Confidence(PupilData.rightEyeID) > 0.1f)
{
var ray = cam.ViewportPointToRay(v2);
gazeDirection = ray.direction.normalized;
} //else uses HMD forward
#elif CVR_TOBIIVR
gazeDirection = _eyeTracker.LatestProcessedGazeData.CombinedGazeRayWorld.direction;
#elif CVR_NEURABLE
gazeDirection = NeurableUnity.NeurableUser.Instance.NeurableCam.GazeRay().direction;
#elif CVR_AH
gazeDirection = ah_calibrator.GetGazeVector(filterType: FilterType.ExponentialMovingAverage);
#endif
return(gazeDirection);
}
/// <summary>
/// get the raw gaze direction in world space. includes fove/pupil labs eye tracking
/// </summary>
public Vector3 GetWorldGazeDirection()
{
Vector3 gazeDirection = GameplayReferences.HMD.forward;
#if CVR_FOVE //direction
var eyeRays = GameplayReferences.FoveInstance.GetGazeRays();
var ray = eyeRays.left;
gazeDirection = new Vector3(ray.direction.x, ray.direction.y, ray.direction.z);
gazeDirection.Normalize();
#elif CVR_PUPIL
gazeDirection = GameplayReferences.HMD.TransformDirection(localGazeDirection);
#elif CVR_TOBIIVR
if (Tobii.XR.TobiiXR.Internal.Provider.EyeTrackingDataLocal.GazeRay.IsValid)
{
gazeDirection = GameplayReferences.HMD.TransformDirection(Tobii.XR.TobiiXR.Internal.Provider.EyeTrackingDataLocal.GazeRay.Direction);
}
#elif CVR_VIVEPROEYE
var ray = new Ray();
if (ViveSR.anipal.Eye.SRanipal_Eye.GetGazeRay(ViveSR.anipal.Eye.GazeIndex.COMBINE, out ray))
{
gazeDirection = GameplayReferences.HMD.TransformDirection(ray.direction);
}
#elif CVR_VARJO
if (Varjo.VarjoPlugin.InitGaze())
{
var data = Varjo.VarjoPlugin.GetGaze();
if (data.status != Varjo.VarjoPlugin.GazeStatus.INVALID)
{
var ray = data.gaze;
gazeDirection = GameplayReferences.HMD.TransformDirection(new Vector3((float)ray.forward[0], (float)ray.forward[1], (float)ray.forward[2]));
}
}
#elif CVR_NEURABLE
gazeDirection = Neurable.Core.NeurableUser.Instance.NeurableCam.GazeRay().direction;
#elif CVR_AH
gazeDirection = ah_calibrator.GetGazeVector(filterType: FilterType.ExponentialMovingAverage);
#elif CVR_SNAPDRAGON
gazeDirection = SvrManager.Instance.leftCamera.transform.TransformDirection(SvrManager.Instance.EyeDirection);
#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;
gazeDirection = (convergancePoint - centerPos).normalized;
}
}
#endif
return(gazeDirection);
}
/// <summary>
/// get the raw gaze direction in world space. includes fove/pupil labs eye tracking
/// </summary>
public Vector3 GetWorldGazeDirection()
{
Vector3 gazeDirection = GameplayReferences.HMD.forward;
#if CVR_FOVE //direction
var eyeRays = FoveInstance.GetGazeRays();
var ray = eyeRays.left;
gazeDirection = new Vector3(ray.direction.x, ray.direction.y, ray.direction.z);
gazeDirection.Normalize();
#elif CVR_PUPIL
//var v2 = PupilGazeTracker.Instance.GetEyeGaze(PupilGazeTracker.GazeSource.BothEyes); //0-1 screen pos
var v2 = PupilData._2D.GetEyeGaze("0");
//if it doesn't find the eyes, skip this snapshot
//if (PupilTools.Confidence(PupilData.rightEyeID) > 0.1f)
{
var ray = GameplayReferences.HMDCameraComponent.ViewportPointToRay(v2);
gazeDirection = ray.direction.normalized;
} //else uses HMD forward
#elif CVR_TOBIIVR
gazeDirection = _eyeTracker.LatestProcessedGazeData.CombinedGazeRayWorld.direction;
#elif CVR_VIVEPROEYE
var ray = new Ray();
if (ViveSR.anipal.Eye.SRanipal_Eye.GetGazeRay(ViveSR.anipal.Eye.GazeIndex.COMBINE, out ray))
{
gazeDirection = GameplayReferences.HMD.TransformDirection(ray.direction);
}
#elif CVR_VARJO
if (Varjo.VarjoPlugin.InitGaze())
{
var data = Varjo.VarjoPlugin.GetGaze();
if (data.status != Varjo.VarjoPlugin.GazeStatus.INVALID)
{
var ray = data.gaze;
gazeDirection = GameplayReferences.HMD.TransformDirection(new Vector3((float)ray.forward[0], (float)ray.forward[1], (float)ray.forward[2]));
}
}
#elif CVR_NEURABLE
gazeDirection = Neurable.Core.NeurableUser.Instance.NeurableCam.GazeRay().direction;
#elif CVR_AH
gazeDirection = ah_calibrator.GetGazeVector(filterType: FilterType.ExponentialMovingAverage);
#elif CVR_SNAPDRAGON
gazeDirection = SvrManager.Instance.leftCamera.transform.TransformDirection(SvrManager.Instance.EyeDirection);
#endif
return(gazeDirection);
}
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 raw gaze direction in world space. includes fove/pupil labs eye tracking
/// </summary>
public Vector3 GetWorldGazeDirection()
{
Vector3 gazeDirection = GameplayReferences.HMD.forward;
#if CVR_FOVE //direction
var eyeRays = GameplayReferences.FoveInstance.GetGazeRays();
var ray = eyeRays.left;
gazeDirection = new Vector3(ray.direction.x, ray.direction.y, ray.direction.z);
gazeDirection.Normalize();
#elif CVR_PUPIL
gazeDirection = GameplayReferences.HMD.TransformDirection(localGazeDirection);
#elif CVR_TOBIIVR
if (Tobii.XR.TobiiXR.Internal.Provider.EyeTrackingDataLocal.GazeRay.IsValid)
{
gazeDirection = GameplayReferences.HMD.TransformDirection(Tobii.XR.TobiiXR.Internal.Provider.EyeTrackingDataLocal.GazeRay.Direction);
}
#elif CVR_VIVEPROEYE
var ray = new Ray();
if (ViveSR.anipal.Eye.SRanipal_Eye.GetGazeRay(ViveSR.anipal.Eye.GazeIndex.COMBINE, out ray))
{
gazeDirection = GameplayReferences.HMD.TransformDirection(ray.direction);
}
#elif CVR_VARJO
if (Varjo.VarjoPlugin.InitGaze())
{
var data = Varjo.VarjoPlugin.GetGaze();
if (data.status != Varjo.VarjoPlugin.GazeStatus.INVALID)
{
var ray = data.gaze;
gazeDirection = GameplayReferences.HMD.TransformDirection(new Vector3((float)ray.forward[0], (float)ray.forward[1], (float)ray.forward[2]));
}
}
#elif CVR_NEURABLE
gazeDirection = Neurable.Core.NeurableUser.Instance.NeurableCam.GazeRay().direction;
#elif CVR_AH
gazeDirection = ah_calibrator.GetGazeVector(filterType: FilterType.ExponentialMovingAverage);
#elif CVR_SNAPDRAGON
gazeDirection = SvrManager.Instance.leftCamera.transform.TransformDirection(SvrManager.Instance.EyeDirection);
#endif
return(gazeDirection);
}