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Arrows: now uses nearest marker's position and icon

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This commit is contained in:
muerwre 2019-02-26 17:45:54 +07:00
parent 60429e5643
commit 07d4ff9084
2 changed files with 17 additions and 5 deletions
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18
src/utils/arrow.ts
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@ -1,4 +1,5 @@
import { divIcon, LatLngLiteral, Marker, marker, DivIcon } from "leaflet";
import { dist2 } from "$utils/geom";
export const createArrow = (latlng: LatLngLiteral, angle: number): Marker => marker(latlng, {
draggable: false,
@ -7,7 +8,7 @@ export const createArrow = (latlng: LatLngLiteral, angle: number): Marker => mar
html: `
<div class="leaflet-arrow" style="transform: rotate(${angle}deg);">
<svg width="40" height="40" preserveAspectRatio="xMidYMid">
<use xlink:href="#path-arrow" transform="scale(2)"/>
<use xlink:href="#path-arrow" transform="scale(1.6) translate(4)"/>
</svg>
</div>
`,
@ -17,6 +18,15 @@ export const createArrow = (latlng: LatLngLiteral, angle: number): Marker => mar
})
});
export const arrowClusterIcon = (): DivIcon => divIcon({
html: `<div class="leaflet-arrow-cluster"></div>`
});
export const arrowClusterIcon = (cluster): DivIcon => {
console.log(cluster.getAllChildMarkers());
const markers = cluster.getAllChildMarkers();
const nearest = markers.sort((a, b) => (
dist2(a.getLatLng(), cluster.getLatLng()) - dist2(b.getLatLng(), cluster.getLatLng())
));
cluster.setLatLng(nearest[0].getLatLng());
return nearest[0].options.icon;
};