40 lines
1.9 KiB
TypeScript
40 lines
1.9 KiB
TypeScript
import { useLocation } from "@/hooks/useLocation"
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import { circle } from "@turf/circle"
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import { type Map as MaplibreGLMap } from "maplibre-gl"
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import { RLayer, RMap, RMarker, RNavigationControl, RSource, useMap } from "maplibre-react-components"
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import { useState } from "react"
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export default function Map() {
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return (
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<RMap
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initialCenter={[2.9, 46.5]}
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initialZoom={6}
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mapStyle="https://openmaptiles.geo.data.gouv.fr/styles/osm-bright/style.json">
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<RNavigationControl position="bottom-right" showCompass={true} showZoom={true} visualizePitch={true} />
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<RSource id="railwaymap-source" type="raster" tiles={["https://a.tiles.openrailwaymap.org/standard/{z}/{x}/{y}.png"]} />
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<RLayer id="railwaymap-layer" type="raster" source="railwaymap-source" paint={{"raster-opacity": 0.7}} />
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<UserLocation />
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</RMap>
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)
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}
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function UserLocation() {
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const userLocation = useLocation()
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const [firstUserPositionFetched, setFirstUserPositionFetched] = useState(false)
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const map: MaplibreGLMap = useMap()
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if (userLocation != null && !firstUserPositionFetched) {
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setFirstUserPositionFetched(true)
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map.flyTo({center: [userLocation.coords.longitude, userLocation.coords.latitude], zoom: 15})
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}
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const accuracyCircle = circle([userLocation?.coords.longitude ?? 0, userLocation?.coords.latitude ?? 0], userLocation?.coords.accuracy ?? 0, {steps: 64, units: 'meters'})
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const marker = userLocation ? <RMarker longitude={userLocation?.coords.longitude} latitude={userLocation?.coords.latitude} /> : <></>
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return <>
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<RSource id="accuracy-radius" type="geojson" data={accuracyCircle} />
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<RLayer id="accuracy-radius-fill" type="fill" source="accuracy-radius" paint={{"fill-color": "lightblue", "fill-opacity": 0.4}} />
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<RLayer id="accuracy-radius-border" type="line" source="accuracy-radius" paint={{"line-color": "blue", "line-opacity": 0.4}} />
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{marker}
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</>
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}
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