celestia/src/celephem/scriptorbit.h

47 lines
1.3 KiB
C++

// scriptorbit.h
//
// Copyright (C) 2006, Chris Laurel <claurel@shatters.net>
//
// Interface for a Celestia trajectory implemented via a Lua script.
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License
// as published by the Free Software Foundation; either version 2
// of the License, or (at your option) any later version.
#ifndef _CELENGINE_SCRIPTORBIT_H_
#define _CELENGINE_SCRIPTORBIT_H_
#include <celengine/parser.h>
#include "orbit.h"
struct lua_State;
class ScriptedOrbit : public CachingOrbit
{
public:
ScriptedOrbit();
~ScriptedOrbit();
bool initialize(const std::string& moduleName,
const std::string& funcName,
Hash* parameters);
virtual Eigen::Vector3d computePosition(double tjd) const;
//virtual Vec3d computeVelocity(double tjd) const;
virtual bool isPeriodic() const;
virtual double getPeriod() const;
virtual double getBoundingRadius() const;
virtual void getValidRange(double& begin, double& end) const;
private:
lua_State* luaState;
std::string luaOrbitObjectName;
double boundingRadius;
double period;
double validRangeBegin;
double validRangeEnd;
};
#endif // _CELENGINE_SCRIPTORBIT_H_