94 lines
2.2 KiB
C++
94 lines
2.2 KiB
C++
// stellarclass.cpp
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//
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// Copyright (C) 2001, Chris Laurel <claurel@shatters.net>
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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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#include "celestia.h"
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#include "stellarclass.h"
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using namespace std;
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Color StellarClass::getApparentColor() const
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{
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switch (getSpectralClass())
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{
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case Spectral_O:
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return Color(0.7f, 0.8f, 1.0f);
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case Spectral_B:
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return Color(0.8f, 0.9f, 1.0f);
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case Spectral_A:
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return Color(1.0f, 1.0f, 1.0f);
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case Spectral_F:
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return Color(1.0f, 1.0f, 0.88f);
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case Spectral_G:
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return Color(1.0f, 1.0f, 0.75f);
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case StellarClass::Spectral_K:
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return Color(1.0f, 0.9f, 0.7f);
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case StellarClass::Spectral_M:
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return Color(1.0f, 0.7f, 0.7f);
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case StellarClass::Spectral_R:
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case StellarClass::Spectral_S:
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case StellarClass::Spectral_N:
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return Color(1.0f, 0.6f, 0.6f);
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default:
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// TODO: Figure out reasonable colors for Wolf-Rayet stars,
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// white dwarfs, and other oddities
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return Color(1.0f, 1.0f, 1.0f);
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}
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}
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ostream& operator<<(ostream& s, const StellarClass& sc)
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{
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StellarClass::StarType st = sc.getStarType();
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if (st == StellarClass::WhiteDwarf)
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{
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s << 'D';
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}
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else if (st == StellarClass::NeutronStar)
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{
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s << 'Q';
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}
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else if (st == StellarClass::NormalStar)
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{
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s << "OBAFGKMRSNWW"[(unsigned int) sc.getSpectralClass()];
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s << "0123456789"[sc.getSpectralSubclass()];
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s << ' ';
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switch (sc.getLuminosityClass())
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{
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case StellarClass::Lum_Ia0:
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s << "I-a0";
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break;
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case StellarClass::Lum_Ia:
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s << "I-a";
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break;
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case StellarClass::Lum_Ib:
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s << "I-b";
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break;
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case StellarClass::Lum_II:
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s << "II";
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break;
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case StellarClass::Lum_III:
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s << "III";
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break;
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case StellarClass::Lum_IV:
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s << "IV";
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break;
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case StellarClass::Lum_V:
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s << "V";
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break;
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case StellarClass::Lum_VI:
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s << "VI";
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break;
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}
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}
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return s;
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}
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