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Fix collapse of islands to shards

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This commit is contained in:
Erica Fischer
2023-09-08 14:34:34 -07:00
parent b5bf9d7dc5
commit af5035f9d3
3 changed files with 9 additions and 11 deletions
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tile.cpp
+7 -10
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@@ -2329,16 +2329,13 @@ long long write_tile(decompressor *geoms, std::atomic<long long> *geompos_in, ch
size_t which2 = i;
for (size_t k = i + 1; k < j - 1; k++) {
double xd = sf.geometry[k].x - sf.geometry[i].x;
double yd = sf.geometry[k].y - sf.geometry[i].y;
double xd2 = sf.geometry[k].x - sf.geometry[which].x;
double yd2 = sf.geometry[k].y - sf.geometry[which].y;
double d1 = xd * xd + yd * yd;
double d2 = xd2 * xd2 + yd2 * yd2;
if (d1 != 0 && d2 != 0 &&
(d1 + d2 > far ||
((d1 + d2 == far) && (sf.geometry[k] < sf.geometry[which2])))) {
far = d1 + d2;
long long d = square_distance_from_line(sf.geometry[k].x, sf.geometry[k].y,
sf.geometry[i].x, sf.geometry[i].y,
sf.geometry[which].x, sf.geometry[which].y,
16);
if ((d > far) ||
((d == far) && (sf.geometry[k] < sf.geometry[which2]))) {
far = d;
which2 = k;
}
}