README.md

⚠️ This document is aim for older versions (from 2.0.0 to 2.2.9). Document for new version is https://github.com/mapsplugin/cordova-plugin-googlemaps-doc/blob/master/v2.6.0/README.md

polygon.setPoints()

The polygon.setPoints() updates the polygon points. If you already get an instance of the BaseArrayClass using polygon.getPoints(), still you can modify it.

<div class="map" id="map_canvas"></div>

//------------------------------------
// Ref: http://www.geocodezip.com/v3_polygon_example_donuta.html
//------------------------------------
function drawCircle(point, radius, dir) {
  var d2r = Math.PI / 180;   // degrees to radians
  var r2d = 180 / Math.PI;   // radians to degrees
  var earthsradius = 3963; // 3963 is the radius of the earth in miles

  var points = 32;

  // find the raidus in lat/lon
  var rlat = (radius / earthsradius) * r2d;
  var rlng = rlat / Math.cos(point.lat * d2r);

  var extp = new Array();
  var start, end;
  if (dir === 1) {
    // one extra here makes sure we connect the
    start = 0;
    end = points + 1;
  } else {
    start = points + 1;
    end = 0;
  }
  for (var i=start; (dir === 1 ? i < end : i > end); i = i + dir) {
    var theta = Math.PI * (i / (points/2));
    ey = point.lng + (rlng * Math.cos(theta)); // center a + radius x * cos(theta)
    ex = point.lat + (rlat * Math.sin(theta)); // center b + radius y * sin(theta)
    extp.push({lat: ex, lng: ey});
  }
  return extp;
}



var mapDiv = document.getElementById("map_canvas");

// Create a map with specified camera bounds
var map = plugin.google.maps.Map.getMap(mapDiv);
map.addEventListener(plugin.google.maps.event.MAP_READY, function() {

  // Add a polygon
  map.addPolygon({
    'points': drawCircle({lat: -33.0, lng: 151.2}, 100, 1),
    'width': 10,
    'geodesic': true,
    'strokeColor': "#0000FF",
    'strokeOpacity': 0.8,
    'strokeWeight': 2,
    'fillColor': "#FF0000",
    'fillOpacity': 0.35,
    'clickable': true  //default = false
  }, function(polygon) {

    map.moveCamera({
      target: polygon.getPoints().getArray()
    });

    // Catch the POLYGON_CLICK event
    polygon.on(plugin.google.maps.event.POLYGON_CLICK, function() {

      // Set new points
      polygon.setPoints([
        {lat: -32.366418, lng: 151.146957},
        {lat: -32.744884, lng: 150.740298},
        {lat: -32.743724, lng: 150.208911},
        {lat: -33.112183, lng: 150.788921},
        {lat: -33.639087, lng: 150.766192},
        {lat: -33.285082, lng: 151.261255},
        {lat: -33.595936, lng: 151.896088},
        {lat: -33.052976, lng: 151.624838},
        {lat: -32.669338, lng: 152.213894},
        {lat: -32.650729, lng: 151.508452}
      ]);
    });
  });

});