internal void CalculateCameraParameters(NativeCameraState nativeCameraState, out DoubleVector3 cameraPositionECEF, out DoubleVector3 interestPointECEF, out Vector3 cameraUpECEF)
{
var scaledInterestPoint = ScaleInterestPointWithEnvironmentFlattening(nativeCameraState.interestPointECEF);
Vector3 forward, up;
DoubleVector3 positionECEF;
CameraHelpers.CalculateLookAt(
scaledInterestPoint,
nativeCameraState.interestBasisForwardECEF,
nativeCameraState.pitchDegrees * Mathf.Deg2Rad,
nativeCameraState.distanceToInterestPoint,
out positionECEF, out forward, out up);
interestPointECEF = scaledInterestPoint;
cameraPositionECEF = positionECEF;
cameraUpECEF = up;
}
internal void ApplyNativeCameraState(NativeCameraState nativeCameraState, UnityEngine.Camera controlledCamera)
{
controlledCamera.fieldOfView = nativeCameraState.fieldOfViewDegrees;
controlledCamera.nearClipPlane = nativeCameraState.nearClipPlaneDistance;
controlledCamera.farClipPlane = nativeCameraState.farClipPlaneDistance;
var interestBasis = new EcefTangentBasis(
nativeCameraState.interestPointECEF,
nativeCameraState.interestBasisRightECEF,
nativeCameraState.interestBasisUpECEF,
nativeCameraState.interestBasisForwardECEF);
Vector3 forward, up;
DoubleVector3 positionECEF;
CameraHelpers.CalculateLookAt(
interestBasis.PointEcef,
interestBasis.Forward,
nativeCameraState.pitchDegrees * Mathf.Deg2Rad,
nativeCameraState.distanceToInterestPoint,
out positionECEF, out forward, out up);
m_interestPointProvider.UpdateFromNative(nativeCameraState.interestPointECEF);
if (m_coordinateSystem == CoordinateSystem.ECEF)
{
var position = (positionECEF - m_originECEF).ToSingleVector();
controlledCamera.transform.position = position;
controlledCamera.transform.LookAt((interestBasis.PointEcef - m_originECEF).ToSingleVector(), up);
}
else // if (m_coordinateSystem == CoordinateSystem.UnityWorld)
{
controlledCamera.transform.position = m_frame.ECEFToLocalSpace(positionECEF);
controlledCamera.transform.LookAt(m_frame.ECEFToLocalSpace(interestBasis.PointEcef), m_frame.ECEFToLocalRotation * up);
}
}
