private void OnFrameUpdate(ARCameraFrameEventArgs frameEventArgs)
{
if (!ShouldUpdateARCoreSession())
{
return;
}
if (_sessionHandle == IntPtr.Zero)
{
return;
}
if (_frameHandle != IntPtr.Zero)
{
SessionApi.ReleaseFrame(_frameHandle);
_frameHandle = IntPtr.Zero;
}
if (_arKitSession != null && _cameraManager != null && _arKitSession.enabled)
{
var cameraParams = new XRCameraParams
{
zNear = _cameraManager.GetComponent <Camera>().nearClipPlane,
zFar = _cameraManager.GetComponent <Camera>().farClipPlane,
screenWidth = Screen.width,
screenHeight = Screen.height,
screenOrientation = Screen.orientation
};
if (!_cameraManager.subsystem.TryGetLatestFrame(
cameraParams, out XRCameraFrame frame))
{
Debug.LogWarning("XRCamera's latest frame is not available now.");
return;
}
if (frame.timestampNs == 0 || frame.FrameHandle() == IntPtr.Zero)
{
Debug.LogWarning("ARKit Plugin Frame is not ready.");
return;
}
var status = ExternApi.ArSession_updateAndAcquireArFrame(
_sessionHandle, frame.FrameHandle(), ref _frameHandle);
if (status != ApiArStatus.Success)
{
Debug.LogErrorFormat("Failed to update and acquire ARFrame with error: " +
"{0}", status);
return;
}
}
}
public void ResetARCoreSession()
{
if (m_SessionHandle != IntPtr.Zero)
{
Debug.Log("Reset cross platform ARCoreSession.");
if (m_FrameHandle != IntPtr.Zero)
{
SessionApi.ReleaseFrame(m_FrameHandle);
m_FrameHandle = IntPtr.Zero;
}
ExternApi.ArSession_destroy(m_SessionHandle);
m_SessionHandle = IntPtr.Zero;
}
}
public static TrackingState GetEarthTrackingState(IntPtr sessionHandle)
{
var trackingState = ApiTrackingState.Stopped;
#if !UNITY_IOS || GEOSPATIAL_IOS_SUPPORT
IntPtr earthHandle = SessionApi.AcquireEarth(sessionHandle);
if (earthHandle == IntPtr.Zero)
{
return(trackingState.ToTrackingState());
}
ExternApi.ArTrackable_getTrackingState(sessionHandle, earthHandle, ref trackingState);
ExternApi.ArTrackable_release(earthHandle);
#endif
return(trackingState.ToTrackingState());
}
public static EarthState GetEarthState(IntPtr sessionHandle)
{
var earthState = EarthState.ErrorInternal;
#if !UNITY_IOS || GEOSPATIAL_IOS_SUPPORT
IntPtr earthHandle = SessionApi.AcquireEarth(sessionHandle);
if (earthHandle == IntPtr.Zero)
{
return(earthState);
}
ExternApi.ArEarth_getEarthState(sessionHandle, earthHandle, ref earthState);
ExternApi.ArTrackable_release(earthHandle);
#endif
return(earthState);
}
public static void TryGetCameraGeospatialPose(
IntPtr sessionHandle, ref GeospatialPose geospatialPose)
{
#if !UNITY_IOS || GEOSPATIAL_IOS_SUPPORT
IntPtr earthHandle = SessionApi.AcquireEarth(sessionHandle);
if (earthHandle == IntPtr.Zero)
{
return;
}
IntPtr geospatialPoseHandle = GeospatialPoseApi.Create(sessionHandle);
ExternApi.ArEarth_getCameraGeospatialPose(sessionHandle, earthHandle,
geospatialPoseHandle);
GeospatialPoseApi.GetGeospatialPose(
sessionHandle, geospatialPoseHandle, ref geospatialPose);
GeospatialPoseApi.Destroy(geospatialPoseHandle);
ExternApi.ArTrackable_release(earthHandle);
#endif
}
