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fix: support migration of v0.9 maps

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Azgaar 2024-07-30 17:54:17 +02:00
parent 00abd5213b
commit b267e832b5
5 changed files with 19 additions and 9 deletions
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6
modules/lakes.js
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@ -12,7 +12,10 @@ window.Lakes = (function () {
f.flux = f.shoreline.reduce((acc, c) => acc + grid.cells.prec[cells.g[c]], 0);
// temperature and evaporation to detect closed lakes
f.temp = f.cells < 6 ? grid.cells.temp[cells.g[f.firstCell]] : rn(d3.mean(f.shoreline.map(c => grid.cells.temp[cells.g[c]])), 1);
f.temp =
f.cells < 6
? grid.cells.temp[cells.g[f.firstCell]]
: rn(d3.mean(f.shoreline.map(c => grid.cells.temp[cells.g[c]])), 1);
const height = (f.height - 18) ** heightExponentInput.value; // height in meters
const evaporation = ((700 * (f.temp + 0.006 * height)) / 50 + 75) / (80 - f.temp); // based on Penman formula, [1-11]
f.evaporation = rn(evaporation * f.cells);
@ -31,6 +34,7 @@ window.Lakes = (function () {
// get array of land cells aroound lake
const getShoreline = function (lake) {
const uniqueCells = new Set();
if (!lake.vertices) lake.vertices = [];
lake.vertices.forEach(v => pack.vertices.c[v].forEach(c => pack.cells.h[c] >= 20 && uniqueCells.add(c)));
lake.shoreline = [...uniqueCells];
};