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faster distance calc

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This commit is contained in:
Fedor Katurov 2020-01-14 10:40:33 +07:00
parent 2e9b332012
commit 34f98fb08b
8 changed files with 101 additions and 80 deletions
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5
src/utils/marks.ts
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@ -1,7 +1,7 @@
import { divIcon, LatLngLiteral, Layer, LayerGroup, Map, marker, Marker } from "leaflet";
import { arrowClusterIcon, createArrow } from "~/utils/arrow";
import { MarkerClusterGroup } from 'leaflet.markercluster/dist/leaflet.markercluster-src.js';
import { allwaysPositiveAngleDeg, angleBetweenPoints, distKm } from "~/utils/geom";
import { allwaysPositiveAngleDeg, angleBetweenPoints, distKmHaversine } from "~/utils/geom";
import classNames from 'classnames';
interface KmMarksOptions {
@ -43,7 +43,7 @@ class KmMarksLayer extends LayerGroup {
if (index >= latlngs.length - 1) return dist;
const next = latlngs[index + 1];
const diff = distKm(current, next);
const diff = distKmHaversine(current, next);
const sum = dist + diff;
const rounded = Math.floor(sum / this.options.kmMarksStep) * this.options.kmMarksStep;
const count = Math.floor((rounded - last_km_mark) / this.options.kmMarksStep);
@ -72,7 +72,6 @@ class KmMarksLayer extends LayerGroup {
return sum;
}, 0);
};
createMiddleMarker = (latlng: LatLngLiteral, angle: number, distance: number): Marker => marker(latlng, {