Kaist-Map-App/kakao_map.html at main · KAIST-Map/Kaist-Map-App · GitHub

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<!DOCTYPE html>
<html>

<head>
  <meta charset="utf-8" />
  <meta name="viewport" content="width=400, initial-scale=1" />
  <!-- <meta http-equiv="Content-Security-Policy" content="script-src 'self' 'unsafe-inline' http://dapi.kakao.com;"> -->
  <style>
    html,
    body {
      margin: 0;
      padding: 0;
      width: 100%;
      height: 100vh;
    }

    #map {
      width: 100%;
      height: 100%;
      position: absolute;
      top: 0;
      left: 0;
    }
  </style>
  <script type="text/javascript" src="//dapi.kakao.com/v2/maps/sdk.js?appkey=3d7a8744fc1024bcb47ad32ca06bce2c"></script>
  <script type="text/javascript">
    var isSatellite = false;
    function switchView() {
      isSatellite = !isSatellite;
      var mapType = isSatellite ? kakao.maps.MapTypeId.SKYVIEW : kakao.maps.MapTypeId.ROADMAP;
      map.setMapTypeId(mapType);
    }

    var myPositionMarker;

    function setMyPositionMarker() {
      if (navigator.geolocation) {
        navigator.geolocation.getCurrentPosition(function (position) {
          var lat = position.coords.latitude;
          var lng = position.coords.longitude;
          var locPosition = new kakao.maps.LatLng(lat, lng);
          myPositionMarker?.setMap(null);
          myPositionMarker = new kakao.maps.Marker({
            map: map,
            icon: new kakao.maps.MarkerImage(
              'https://t1.daumcdn.net/localimg/localimages/07/mapapidoc/markerStar.png',
              new kakao.maps.Size(24, 35),
              { offset: new kakao.maps.Point(12, 35) }
            ),
            position: locPosition
          });
        });
        setInterval(setMyPositionMarker, 5000);
      }
    }

    function lookCloserAt(lat, lng) {
      var locPosition = new kakao.maps.LatLng(lat, lng);
      map.jump(locPosition, 2);
    }

    function lookAt(lat, lng) {
      var locPosition = new kakao.maps.LatLng(lat, lng);
      map.panTo(locPosition);
    }

    function lookAtTwoPoints(lat1, lng1, lat2, lng2) {
      var lowLat = Math.min(lat1, lat2);
      var highLat = Math.max(lat1, lat2);
      var lowLng = Math.min(lng1, lng2);
      var highLng = Math.max(lng1, lng2);

      var midLat = (lowLat + highLat) / 2;
      var midLng = (lowLng + highLng) / 2;

      var width = highLng - lowLng;
      var height = highLat - lowLat;

      var verticalStretch = 2.0;
      var horizontalStretch = 1.2;

      var locPosition1 = new kakao.maps.LatLng(
        midLat - height / 2 * verticalStretch,
        midLng - width / 2 * horizontalStretch
      );
      var locPosition2 = new kakao.maps.LatLng(
        midLat + height / 2 * verticalStretch,
        midLng + width / 2 * horizontalStretch
      );

      var bounds = new kakao.maps.LatLngBounds(locPosition1, locPosition2);
      map.panTo(bounds);
    }

    var markers = [];

    // marker data: array of
    // {
    //    name: string,    // identifier
    //    lat: number,
    //    lng: number,
    //    image: string,
    //    width: number,
    //    height: number,
    //    offsetY: number,
    //    draggable: boolean,
    //    importance: number,
    // }
    function setMarkers(markerData) {
      for (var i = 0; i < markers.length; i++) {
        markers[i].setMap(null);
      }
      markers = [];
      for (var i = 0; i < markerData.length; i++) {
        var marker = new kakao.maps.Marker({
          map: map,
          title: markerData[i].name,
          draggable: markerData[i].draggable,
          image: new kakao.maps.MarkerImage(
            markerData[i].image,
            new kakao.maps.Size(markerData[i].width, markerData[i].height),
            { offset: new kakao.maps.Point((markerData[i].width) / 2, markerData[i].offsetY) }
          ),
          position: new kakao.maps.LatLng(markerData[i].lat, markerData[i].lng),
          clickable: true,
          zIndex: markerData[i].importance,
        });

        kakao.maps.event.addListener(marker, 'click', function () {
          var message = {
            name: this.getTitle(),
            lat: this.getPosition().getLat(),
            lng: this.getPosition().getLng()
          };
          OnMarkerClickedChannel?.postMessage(JSON.stringify(message));
        });

        markers.push(marker);
      }
    }

    var polylines = [];

    // polyline data: array of
    // {
    //    path: array of {lat: number, lng: number},
    //    strokeWeight: number,
    //    strokeColor: string,     // "#{hex color}"
    //    strokeOpacity: number,   // 0 ~ 1
    //    strokeStyle: string,     // 'solid' | 'shortdot' | 'dot'
    // }
    function setPolylines(polylineData) {
      for (var i = 0; i < polylines.length; i++) {
        polylines[i].setMap(null);
      }
      polylines = [];
      for (var i = 0; i < polylineData.length; i++) {
        var polyline = new kakao.maps.Polyline({
          map: map,
          path: polylineData[i].path.map(function (point) {
            return new kakao.maps.LatLng(point.lat, point.lng);
          }),
          strokeWeight: polylineData[i].strokeWeight,
          strokeColor: polylineData[i].strokeColor,
          strokeOpacity: polylineData[i].strokeOpacity,
          strokeStyle: polylineData[i].strokeStyle,
        });
        polylines.push(polyline);
      }
    }

  </script>
</head>

<body>
  <div id="map"></div>
  <script type="text/javascript">
    var container = document.getElementById('map');
    var options = {
      center: new kakao.maps.LatLng(36.370641, 127.362501),
      level: 4
    };

    var map = new kakao.maps.Map(container, options);

    map.setMaxLevel(6);
    var southBound = 36.305838;
    var westBound = 127.283501;
    var northBound = 36.446118;
    var eastBound = 127.425358;

    kakao.maps.event.addListener(map, 'bounds_changed', function () {
      var bounds = map.getBounds();
      var sw = bounds.getSouthWest();
      var ne = bounds.getNorthEast();

      var swLatOver = -sw.getLat() + southBound;
      var swLngOver = -sw.getLng() + westBound;
      var neLatOver = ne.getLat() - northBound;
      var neLngOver = ne.getLng() - eastBound;

      swLatOver = swLatOver < 0 ? 0 : swLatOver;
      swLngOver = swLngOver < 0 ? 0 : swLngOver;
      neLatOver = neLatOver < 0 ? 0 : neLatOver;
      neLngOver = neLngOver < 0 ? 0 : neLngOver;

      if (swLatOver > 0 || swLngOver > 0 || neLatOver > 0 || neLngOver > 0) {
        var center = map.getCenter();
        var moveLat = 0;
        var moveLng = 0;

        moveLat += swLatOver;
        moveLng += swLngOver;
        moveLat -= neLatOver;
        moveLng -= neLngOver;

        var moveLatLng = new kakao.maps.LatLng(center.getLat() + moveLat, center.getLng() + moveLng);
        map.panTo(moveLatLng);
      }
    });

    kakao.maps.event.addListener(map, 'click', function (mouseEvent) {
      var latlng = mouseEvent.latLng;
      var message = {
        lat: latlng.getLat(),
        lng: latlng.getLng()
      };
      OnMapClickedChannel?.postMessage(JSON.stringify(message));
    });

    kakao.maps.event.addListener(map, 'zoom_changed', function () {
      var message = {
        zoom: map.getLevel()
      };
      OnZoomChangedChannel?.postMessage(JSON.stringify(message));
    });

    OnMapCreatedChannel?.postMessage(
      JSON.stringify({
        southBound: southBound,
        westBound: westBound,
        northBound: northBound,
        eastBound: eastBound,
      })
    );
  </script>
</body>

</html>