backups/Fantasy-Map-Generator
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v1.22.12

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Azgaar 2019-11-17 17:52:39 +03:00
parent 4a0c62edf7
commit 6fa693b562
12 changed files with 111 additions and 60 deletions
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4
modules/river-generator.js
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@ -178,13 +178,13 @@
const sin = Math.sin(angle), cos = Math.cos(angle);
const serpentine = 1 / (s + 1) + 0.3;
const meandr = serpentine + Math.random() * rndFactor;
if (Math.random() < 0.5) side *= -1; // change meandring direction in 50%
if (P(.5)) side *= -1; // change meandring direction in 50%
const dist2 = (eX - sX) ** 2 + (eY - sY) ** 2;
// if dist2 is big or river is small add extra points at 1/3 and 2/3 of segment
if (dist2 > 64 || (dist2 > 16 && segments.length < 6)) {
const p1x = (sX * 2 + eX) / 3 + side * -sin * meandr;
const p1y = (sY * 2 + eY) / 3 + side * cos * meandr;
if (Math.random() < 0.2) side *= -1; // change 2nd extra point meandring direction in 20%
if (P(.2)) side *= -1; // change 2nd extra point meandring direction in 20%
const p2x = (sX + eX * 2) / 3 + side * sin * meandr;
const p2y = (sY + eY * 2) / 3 + side * cos * meandr;
riverEnhanced.push([p1x, p1y], [p2x, p2y]);