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Refactor getMiddlePoint function to getCloseToEdgePoint

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Azgaar 2024-08-02 11:34:54 +02:00
parent ff27937cc4
commit e6741b3a3b
4 changed files with 40 additions and 21 deletions
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19
modules/submap.js
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@ -395,7 +395,7 @@ window.Submap = (function () {
return;
}
DEBUG && console.info(`Moving ${b.name} from ${cityCell} to ${newCell} near ${neighbor}.`);
[b.x, b.y] = b.port ? getMiddlePoint(newCell, neighbor) : cells.p[newCell];
[b.x, b.y] = b.port ? getCloseToEdgePoint(newCell, neighbor) : cells.p[newCell];
if (b.port) b.port = cells.f[neighbor]; // copy feature number
b.cell = newCell;
if (b.port && !isWater(pack, neighbor)) console.error("betrayal! negihbor must be water!", b);
@ -407,6 +407,23 @@ window.Submap = (function () {
});
}
function getCloseToEdgePoint(cell1, cell2) {
const {cells, vertices} = pack;
const [x0, y0] = cells.p[cell1];
const commonVertices = cells.v[cell1].filter(vertex => vertices.c[vertex].some(cell => cell === cell2));
const [x1, y1] = vertices.p[commonVertices[0]];
const [x2, y2] = vertices.p[commonVertices[1]];
const xEdge = (x1 + x2) / 2;
const yEdge = (y1 + y2) / 2;
const x = rn(x0 + 0.95 * (xEdge - x0), 2);
const y = rn(y0 + 0.95 * (yEdge - y0), 2);
return [x, y];
}
// export
return {resample, findNearest};
})();