52 lines
1.3 KiB
C++
52 lines
1.3 KiB
C++
// scriptrotation.h
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//
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// Copyright (C) 2006, Chris Laurel <claurel@shatters.net>
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//
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// Interface for a Celestia rotation model implemented via a Lua script.
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//
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU General Public License
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// as published by the Free Software Foundation; either version 2
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// of the License, or (at your option) any later version.
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#ifndef _CELENGINE_SCRIPTROTATION_H_
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#define _CELENGINE_SCRIPTROTATION_H_
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#include <celengine/parser.h>
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#include "rotation.h"
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struct lua_State;
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class ScriptedRotation : public RotationModel
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{
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public:
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EIGEN_MAKE_ALIGNED_OPERATOR_NEW
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ScriptedRotation();
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~ScriptedRotation();
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bool initialize(const std::string& moduleName,
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const std::string& funcName,
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Hash* parameters);
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virtual Eigen::Quaterniond spin(double tjd) const;
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virtual bool isPeriodic() const;
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virtual double getPeriod() const;
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virtual void getValidRange(double& begin, double& end) const;
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private:
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lua_State* luaState;
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std::string luaRotationObjectName;
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double period;
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double validRangeBegin;
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double validRangeEnd;
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// Cached values
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mutable double lastTime;
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mutable Eigen::Quaterniond lastOrientation;
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bool cacheable;
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};
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#endif // _CELENGINE_SCRIPTROTATION_H_
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