51 lines
1.4 KiB
C++
51 lines
1.4 KiB
C++
// scriptrotation.h
|
|
//
|
|
// Copyright (C) 2006, Chris Laurel <claurel@shatters.net>
|
|
//
|
|
// Interface for a Celestia rotation model 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_SCRIPTROTATION_H_
|
|
#define _CELENGINE_SCRIPTROTATION_H_
|
|
|
|
#include <celengine/parser.h>
|
|
#include "rotation.h"
|
|
|
|
struct lua_State;
|
|
|
|
class ScriptedRotation : public RotationModel
|
|
{
|
|
public:
|
|
ScriptedRotation() = default;
|
|
~ScriptedRotation() = default;
|
|
|
|
bool initialize(const std::string& moduleName,
|
|
const std::string& funcName,
|
|
Hash* parameters);
|
|
|
|
virtual Eigen::Quaterniond spin(double tjd) const;
|
|
|
|
virtual bool isPeriodic() const;
|
|
virtual double getPeriod() const;
|
|
virtual void getValidRange(double& begin, double& end) const;
|
|
|
|
private:
|
|
lua_State* luaState{ nullptr };
|
|
std::string luaRotationObjectName;
|
|
double period{ 0.0 };
|
|
double validRangeBegin{ 0.0 };
|
|
double validRangeEnd{ 0.0 };
|
|
|
|
// Cached values
|
|
mutable double lastTime{ -1.0e50 };
|
|
mutable Eigen::Quaterniond lastOrientation{Eigen::Quaterniond::Identity()};
|
|
|
|
bool cacheable{ true }; // non-cacheable rotations not yet supported
|
|
};
|
|
|
|
#endif // _CELENGINE_SCRIPTROTATION_H_
|