SimplePlanarEllipsoidCurve.h

#pragma once
 
#include <CesiumGeospatial/Ellipsoid.h>
#include <CesiumGeospatial/Library.h>
 
#include <glm/vec3.hpp>
 
#include <optional>
 
namespace CesiumGeospatial {

class CESIUMGEOSPATIAL_API SimplePlanarEllipsoidCurve final {
public:
  static std::optional<SimplePlanarEllipsoidCurve>
  fromEarthCenteredEarthFixedCoordinates(
      const Ellipsoid& ellipsoid,
      const glm::dvec3& sourceEcef,
      const glm::dvec3& destinationEcef);

  static std::optional<SimplePlanarEllipsoidCurve> fromLongitudeLatitudeHeight(
      const Ellipsoid& ellipsoid,
      const Cartographic& source,
      const Cartographic& destination);

  glm::dvec3
  getPosition(double percentage, double additionalHeight = 0.0) const;
 
private:
  SimplePlanarEllipsoidCurve(
      const Ellipsoid& ellipsoid,
      const glm::dvec3& scaledSourceEcef,
      const glm::dvec3& scaledDestinationEcef,
      const glm::dvec3& originalSourceEcef,
      const glm::dvec3& originalDestinationEcef);
 
  double _totalAngle;
  double _sourceHeight;
  double _destinationHeight;
 
  Ellipsoid _ellipsoid;
  glm::dvec3 _sourceDirection;
  glm::dvec3 _rotationAxis;
  glm::dvec3 _sourceEcef;
  glm::dvec3 _destinationEcef;
};
 
} // namespace CesiumGeospatial