49 lines
1.6 KiB
C++
49 lines
1.6 KiB
C++
// Copyright © 2008-2021 Pioneer Developers. See AUTHORS.txt for details
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// Licensed under the terms of the GPL v3. See licenses/GPL-3.txt
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#include "Terrain.h"
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#include "TerrainNoise.h"
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using namespace TerrainNoise;
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template <>
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const char *TerrainColorFractal<TerrainColorStarWhiteDwarf>::GetColorFractalName() const { return "StarWhiteDwarf"; }
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template <>
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TerrainColorFractal<TerrainColorStarWhiteDwarf>::TerrainColorFractal(const SystemBody *body) :
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Terrain(body)
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{
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double height = m_maxHeightInMeters * 0.1;
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SetFracDef(0, height, 3e9, 100.0); //why on Earth we need a feature size of 3,000,000 KM (2.2x the sun) I don't know, but we do... :)
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SetFracDef(1, height, 1e7, 100.0);
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//Original settings with correct feature size, does not seem to work anymore:
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//SetFracDef(0, height, 3e5, 10.0*m_fracmult);
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//SetFracDef(1, height, 1e5, 10.0*m_fracmult);
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}
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template <>
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vector3d TerrainColorFractal<TerrainColorStarWhiteDwarf>::GetColor(const vector3d &p, double height, const vector3d &norm) const
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{
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double n;
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vector3d col;
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n = ridged_octavenoise(GetFracDef(0), 0.8, p * p.x);
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n += ridged_octavenoise(GetFracDef(1), 0.8, p);
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n += voronoiscam_octavenoise(GetFracDef(0), 0.8 * octavenoise(GetFracDef(1), 0.6, p), p);
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n *= n * n;
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if (n > 0.666) {
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n -= 0.666;
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n *= 3.0;
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col = interpolate_color(n, vector3d(.8, .8, 1.0), vector3d(1.0, 1.0, 1.0));
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return col;
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} else if (n > 0.333) {
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n -= 0.333;
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n *= 3.0;
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col = interpolate_color(n, vector3d(.6, .8, .8), vector3d(.8, .8, 1.0));
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return col;
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} else {
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n *= 3.0;
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col = interpolate_color(n, vector3d(.0, .0, .9), vector3d(.6, .8, .8));
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return col;
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}
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}
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