333/map
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

infinity expantion

Browse source
This commit is contained in:
33333-33333 2026-05-28 19:37:28 +09:00
commit ea0067dc0a
10 changed files with 2792 additions and 70 deletions
Download patch file Download diff file Expand all files Collapse all files

48
mapTerrain.js
View file

@ -206,6 +206,31 @@ const TERRAIN_TYPES = [
riverRichnessRange: [0.74, 1.14],
bigRiverChanceRange: [0.30, 0.60],
},
{
id: "oceanic_archipelago",
label: "海洋型・多島海",
weight: 0.16,
coastStyle: "oceanic_archipelago",
mountainMode: "mixed",
massifnessRange: [0.04, 0.28],
seaRatioRange: [0.72, 0.90],
twoSidedChance: 1.0,
mountainOffsetRange: [0.25, 0.55],
baseHeightRange: [0.30, 0.62],
primaryLengthRange: [0.20, 0.52],
primaryWidthRange: [0.08, 0.24],
systemCountRange: [7, 14],
beltCountRange: [2, 4],
angleSpread: 0.70,
crossSpread: 0.90,
lengthScale: 0.78,
widthScale: 0.82,
heightScale: 0.58,
coastStrength: 1.55,
plainBiasRange: [0.12, 0.34],
riverRichnessRange: [0.18, 0.52],
bigRiverChanceRange: [0.02, 0.12],
},
{
id: "setouchi_inland_sea",
label: "瀬戸内型・内海多島",
@ -584,7 +609,15 @@ function computeCoastLower(px, py, template, seed) {
const islandNoise = (fbm(px * 420 + 17, py * 420 - 11, seed + 302) - 0.5) * 0.032;
let pressure = 0;
if (template.coastStyle === "inland_sea") {
if (template.coastStyle === "oceanic_archipelago") {
// 海洋型: 外洋を強く取り、島列・湾・水道が点在する低標高圧を作る。
const radial = distNorm(px, py, 0.5, 0.5);
const outerOcean = smoothstep((radial - 0.30 + wave * 1.15 + bay * 0.85) / 0.18) * 0.96;
const diagonalChannel = smoothstep((0.13 - Math.abs(cross + wave * 0.82 + islandNoise * 0.70)) / 0.14) * 0.70;
const openSide = smoothstep((-axis + 0.12 + wave + bay) / 0.23) * 0.82;
const islandGaps = clamp((valueNoise(px * 780 + 31, py * 780 - 19, seed + 303, 20) - 0.42) * 1.25) * 0.22;
pressure = clamp(Math.max(outerOcean, diagonalChannel, openSide) + islandGaps);
} else if (template.coastStyle === "inland_sea") {
// 瀬戸内型は旧来の大きな内海＋両岸海岸線に戻す。
// 海面比率はテンプレート側で高めに保ち、微細な島ノイズではなく
// 連続した水道形状で海を増やす。
@ -1217,8 +1250,17 @@ export function generateTerrainAndRivers(seed, options = {}) {
const high = Math.max(0, e - 0.62);
e -= high * 0.42;
}
const softCapStart = terrainTemplate.terrainType === "tohoku_spine" ? 0.78 : terrainTemplate.terrainType === "setouchi_inland_sea" ? 0.72 : terrainTemplate.terrainType === "chubu_mountain" ? 0.88 : 0.91;
const softCapMax = terrainTemplate.terrainType === "tohoku_spine" ? 0.96 : terrainTemplate.terrainType === "setouchi_inland_sea" ? 0.92 : 1.08;
if (terrainTemplate.terrainType === "oceanic_archipelago") {
// 海洋型は大きな山塊ではなく、島列を読むための低い起伏を点在させる。
const islandCore = clamp((fbm(x * 0.82 + 41, y * 0.82 - 29, seed + 572) - 0.46) * 2.7);
const islandChain = clamp(mountainMaskMax * 0.92 + islandCore * 0.54 - coastPressure * 0.24);
e += islandChain * 0.135;
e -= clamp((coastPressure - 0.38) * 1.55) * 0.040;
const high = Math.max(0, e - 0.56);
e -= high * 0.52;
}
const softCapStart = terrainTemplate.terrainType === "tohoku_spine" ? 0.78 : terrainTemplate.terrainType === "setouchi_inland_sea" ? 0.72 : terrainTemplate.terrainType === "oceanic_archipelago" ? 0.62 : terrainTemplate.terrainType === "chubu_mountain" ? 0.88 : 0.91;
const softCapMax = terrainTemplate.terrainType === "tohoku_spine" ? 0.96 : terrainTemplate.terrainType === "setouchi_inland_sea" ? 0.92 : terrainTemplate.terrainType === "oceanic_archipelago" ? 0.84 : 1.08;
elevation[i] = clamp(softCapElevation(e, softCapStart, softCapMax), 0.025, softCapMax);
visibleRavineField[i] = clamp(Math.abs(scratch) * mountainMaskMax * 0.30 + Math.max(0, -scratch) * mountainMaskMax * 0.40);
surfaceTextureField[i] = clamp(Math.abs(macro) * 0.12 + Math.abs(scratch) * mountainMaskMax * 0.46);