33 lines
1.3 KiB
C#
33 lines
1.3 KiB
C#
namespace VoxelEngine.World.WorldGen;
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// Seeded wrapper over FastNoiseLite. All Get* methods return roughly [-1, 1].
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public sealed class NoiseSource
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{
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private readonly FastNoiseLite _continent;
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private readonly FastNoiseLite _temperature;
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private readonly FastNoiseLite _forest;
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public NoiseSource(int seed)
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{
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this._continent = new FastNoiseLite(seed);
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this._continent.SetNoiseType(FastNoiseLite.NoiseType.OpenSimplex2);
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this._continent.SetFractalType(FastNoiseLite.FractalType.FBm);
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this._continent.SetFractalOctaves(4);
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this._continent.SetFrequency(0.0035f);
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this._temperature = new FastNoiseLite(seed + 1);
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this._temperature.SetNoiseType(FastNoiseLite.NoiseType.OpenSimplex2);
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this._temperature.SetFractalType(FastNoiseLite.FractalType.FBm);
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this._temperature.SetFractalOctaves(3);
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this._temperature.SetFrequency(0.0015f);
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this._forest = new FastNoiseLite(seed + 2);
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this._forest.SetNoiseType(FastNoiseLite.NoiseType.OpenSimplex2);
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this._forest.SetFrequency(0.02f);
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}
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public float Continent(float x, float z) => this._continent.GetNoise(x, z);
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public float Temperature(float x, float z) => this._temperature.GetNoise(x, z);
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public float Forest(float x, float z) => this._forest.GetNoise(x, z);
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}
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