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Add big beach

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Tangent Wantwight 2024-01-13 12:27:40 -05:00
parent f1c9d9ef07
commit aaa165013e
1 changed files with 26 additions and 3 deletions
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29
island/generators.ts
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@ -21,7 +21,7 @@ export const BIG_MOUNTAIN: LobeGeneratorConstructor =
}; };
/** form low-lying beach */ /** form low-lying beach */
export const BEACH_LOBE: LobeGeneratorConstructor = export const SMALL_BEACH: LobeGeneratorConstructor =
(islands: IslandGrid, basePos: number) => () => { (islands: IslandGrid, basePos: number) => () => {
const islandTiles = islands.floodSearch(basePos, (tile) => tile > WATER); const islandTiles = islands.floodSearch(basePos, (tile) => tile > WATER);
@ -31,6 +31,24 @@ export const BEACH_LOBE: LobeGeneratorConstructor =
return true; return true;
}; };
/** form low-lying beach that meets another island */
export const BIG_BEACH: LobeGeneratorConstructor = (
islands: IslandGrid,
basePos: number
) => {
let dropped = 0;
return () => {
const islandTiles = islands.floodSearch(basePos, (tile) => tile > WATER);
const shoreTiles = islandTiles.filter((pos) => islands.data[pos] == WATER);
islands.dropWithin(shoreTiles);
dropped++;
const landTiles = islandTiles.filter((pos) => islands.data[pos] > WATER);
return landTiles.length > dropped;
};
};
/** form forested zone */ /** form forested zone */
export const FOREST_LOBE: LobeGeneratorConstructor = export const FOREST_LOBE: LobeGeneratorConstructor =
(islands: IslandGrid, basePos: number) => () => { (islands: IslandGrid, basePos: number) => () => {
@ -73,5 +91,10 @@ export const ERODED_LOBE: LobeGeneratorConstructor =
return true; return true;
}; };
export const BIG_ISLANDS = [BIG_MOUNTAIN]; export const BIG_ISLANDS = [BIG_BEACH, BIG_MOUNTAIN];
export const ALL_ISLANDS = [BIG_MOUNTAIN, BEACH_LOBE, FOREST_LOBE, ERODED_LOBE]; export const ALL_ISLANDS = [
BIG_MOUNTAIN,
SMALL_BEACH,
FOREST_LOBE,
ERODED_LOBE,
];