63 lines
2.1 KiB
JavaScript
63 lines
2.1 KiB
JavaScript
// World-generation configuration. The seed is overridden per game; the rest
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// tunes the shape and populating of the map.
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export const MAP_CONFIG = {
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mapSize: { x: 100, y: 100 },
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topology: "cylindrical",
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terrainSeed: 0,
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seaLevel: -0.05,
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falloffEnabled: true,
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falloffStart: 0.55,
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falloffStrength: 0.6,
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iceLatitude: 0.9,
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tundraLatitude: 0.66,
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// The polar ice and tundra edges are bent by a finer noise field so the
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// sheets are jagged rather than straight bands. `iceRoughness` is how far (in
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// latitude) the edges may wander; the equatorward core beyond that bound is
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// always ice (and always tundra below it).
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iceNoise: {
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frequency: 0.13,
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octaves: 2,
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lacunarity: 2.0,
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gain: 0.5,
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},
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iceRoughness: 0.06,
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noise: {
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frequency: 0.02,
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octaves: 1,
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lacunarity: 2.0,
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gain: 0.5,
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},
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// The finer field that roughens the coastline, and how strongly it bends the
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// shore away from the smooth continent outline.
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coastNoise: {
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frequency: 0.09,
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octaves: 2,
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lacunarity: 2.0,
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gain: 0.5,
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},
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coastRoughness: 0.4,
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// Third pass: clusters of terrain laid over the plains, independent of the
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// continent shape so no terrain type follows the landmasses. `coverage` is
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// the share of the land aimed for and `size` the tiles per cluster (jittered
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// per cluster). Earlier entries take priority where clusters overlap.
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terrainBiomes: [
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{ terrainType: "Mountain", coverage: 0.03, size: 10 },
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{ terrainType: "Hills", coverage: 0.1, size: 26 },
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{ terrainType: "Forest", coverage: 0.22, size: 30 },
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{ terrainType: "Desert", coverage: 0.08, size: 48 },
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],
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capitalMargin: 2,
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minCapitalDistance: 8,
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minCapitalLandmass: 40,
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// Landmasses and seas smaller than these fractions of the map are smoothed
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// away, so the world reads as a few big continents rather than speckle. The
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// thresholds scale with the map, so tiny test maps are left alone.
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minIslandFraction: 0.0015,
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minLakeFraction: 0.0015,
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connectOceans: true,
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citiesPerCiv: 10,
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// Minimum distance between any two cities during generation (never below 5).
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citySpacing: 5,
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};
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