SingleBodySource.h

#pragma once
 
#include <fhsim_environment/WakeSourceSet.h> // WakeCastState, WakeCastingObject, WakeSourceSet
#include <marenv/wake/WakeTypes.h>           // WakeFrame
 
namespace environment::wake::detail
{
 
bool IsFiniteReference(const WakeCastState& reference);
 
class SingleBodySource final : public WakeSourceSet
{
public:
   SingleBodySource(const WakeCastingObject& object, const WakeCastState& reference, double T);
 
   int NumCarriers() const override { return 1; }
   void CarrierPosition(const double* X, int carrier, double pos[3]) const override;
   void CarrierVelocity(const double* X, int carrier, double vel[3]) const override;
   int NumSources() const override { return 1; }
   int SourceCarriers(int source, int carriers[3]) const override;
   double SourceArea(const double* /*X*/, int /*source*/) const override { return 0.0; }
   SourceLoad EvaluateSource(const double* X, int source, const double sourceVel[3], const double waterVel[3]) const override;
   double FrontalExtent(const double* X, const marenv::wake::WakeFrame& frame, double rearCentre[3]) const override;
 
private:
   const WakeCastingObject& m_object;                          
   WakeCastState            m_reference;                       
   double                   m_time;                            
   mutable double           m_frontalArea   = 0.0;             
   mutable double           m_rearCentre[3] = {0.0, 0.0, 0.0}; 
};
 
} // namespace environment::wake::detail