backups/Fantasy-Map-Generator
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Edge Cases. Explore drawing width.

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CanisArtorus 2021-02-01 21:57:02 -07:00
parent aac81547c0
commit df27dd1b70
1 changed files with 9 additions and 6 deletions
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15
modules/river-generator.js
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@ -116,11 +116,11 @@
riverNext++;
}
}
// cells.fl[j] += l.totalFlux; // signpost river size
cells.fl[j] = l.totalFlux; // signpost river size
flowDown(i, cells.fl[i], l.totalFlux, cells.r[j]);
// prevent dropping imediately back into the lake
// out2 = cells.c[i].filter(c => {h[c] >= 20 || cells.f[c] !== cells.f[j]}).sort((a,b) => h[a] - h[b])[0]; // downhill cell not in the source lake
out2 = cells.c[i].filter(c => h[c] >= 20).sort((a,b) => h[a] - h[b])[0]; // downhill land cell
out2 = cells.c[i].filter(c => (h[c] >= 20 || cells.f[c] !== cells.f[j])).sort((a,b) => h[a] - h[b])[0]; // downhill cell not in the source lake
// out2 = cells.c[i].filter(c => h[c] >= 20).sort((a,b) => h[a] - h[b])[0]; // downhill land cell
// assign all to outlet basin
if (l.inlets) l.inlets.forEach(fork => riversData.find(r => r.river === fork).parent = cells.r[j]);
}
@ -168,13 +168,16 @@
if (riverSegments.length > 2) {
const source = riverSegments[0], mouth = riverSegments[riverSegments.length-2];
const riverEnhanced = addMeandring(riverSegments);
let width = rn(.8 + Math.random() * .4, 1); // river width modifier [.2, 10]
let increment = rn(.8 + Math.random() * .6, 1); // river bed widening modifier [.01, 3]
if (cells.h[source.cell] < 20) { // is lake outflow
increment = rn( increment /2 - .3, 2);
width *= 2;
const c = riverEnhanced[2][2] || 0; // widen the river by a pretend confluence
const lakeSize = Math.min(pack.features[cells.f[source.cell]].totalFlux - 40, 0);
// riverEnhanced[1][2] = c + Math.min(cells.fl[source.cell] - 40, 0);
if(c) riverEnhanced[2][2] = c + lakeSize;
else riverEnhanced[2].push(lakeSize);
}
const riverEnhanced = addMeandring(riverSegments);
const [path, length] = getPath(riverEnhanced, width, increment);
riverPaths.push([r, path, width, increment]);
const parent = source.parent || 0;