127 lines
3.8 KiB
JavaScript
127 lines
3.8 KiB
JavaScript
if (typeof window.google === 'object' && window.google.maps) {
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//==========================
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// Polygon containsLatLng
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// https://github.com/tparkin/Google-Maps-Point-in-Polygon
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// Poygon getBounds extension - google-maps-extensions
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// http://code.google.com/p/google-maps-extensions/source/browse/google.maps.Polygon.getBounds.js
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if (!google.maps.Polygon.prototype.getBounds) {
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google.maps.Polygon.prototype.getBounds = function(latLng) {
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var bounds = new google.maps.LatLngBounds();
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var paths = this.getPaths();
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var path;
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for (var p = 0; p < paths.getLength(); p++) {
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path = paths.getAt(p);
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for (var i = 0; i < path.getLength(); i++) {
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bounds.extend(path.getAt(i));
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}
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}
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return bounds;
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};
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}
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if (!google.maps.Polygon.prototype.containsLatLng) {
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// Polygon containsLatLng - method to determine if a latLng is within a polygon
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google.maps.Polygon.prototype.containsLatLng = function(latLng) {
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// Exclude points outside of bounds as there is no way they are in the poly
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var bounds = this.getBounds();
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if (bounds !== null && !bounds.contains(latLng)) {
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return false;
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}
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// Raycast point in polygon method
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var inPoly = false;
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var numPaths = this.getPaths().getLength();
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for (var p = 0; p < numPaths; p++) {
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var path = this.getPaths().getAt(p);
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var numPoints = path.getLength();
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var j = numPoints - 1;
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for (var i = 0; i < numPoints; i++) {
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var vertex1 = path.getAt(i);
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var vertex2 = path.getAt(j);
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if (vertex1.lng() < latLng.lng() && vertex2.lng() >= latLng.lng() || vertex2.lng() < latLng.lng() && vertex1.lng() >= latLng.lng()) {
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if (vertex1.lat() + (latLng.lng() - vertex1.lng()) / (vertex2.lng() - vertex1.lng()) * (vertex2.lat() - vertex1.lat()) < latLng.lat()) {
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inPoly = !inPoly;
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}
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}
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j = i;
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}
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}
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return inPoly;
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};
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}
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if (!google.maps.Circle.prototype.containsLatLng) {
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google.maps.Circle.prototype.containsLatLng = function(latLng) {
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if (google.maps.geometry) {
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return google.maps.geometry.spherical.computeDistanceBetween(this.getCenter(), latLng) <= this.getRadius();
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}
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else {
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return true;
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}
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};
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}
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google.maps.Rectangle.prototype.containsLatLng = function(latLng) {
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return this.getBounds().contains(latLng);
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};
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google.maps.LatLngBounds.prototype.containsLatLng = function(latLng) {
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return this.contains(latLng);
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};
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google.maps.Marker.prototype.setFences = function(fences) {
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this.fences = fences;
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};
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google.maps.Marker.prototype.addFence = function(fence) {
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this.fences.push(fence);
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};
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google.maps.Marker.prototype.getId = function() {
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return this['__gm_id'];
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};
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}
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//==========================
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// Array indexOf
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// https://developer.mozilla.org/en-US/docs/JavaScript/Reference/Global_Objects/Array/indexOf
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if (!Array.prototype.indexOf) {
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Array.prototype.indexOf = function (searchElement /*, fromIndex */ ) {
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"use strict";
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if (this == null) {
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throw new TypeError();
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}
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var t = Object(this);
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var len = t.length >>> 0;
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if (len === 0) {
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return -1;
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}
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var n = 0;
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if (arguments.length > 1) {
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n = Number(arguments[1]);
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if (n != n) { // shortcut for verifying if it's NaN
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n = 0;
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} else if (n != 0 && n != Infinity && n != -Infinity) {
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n = (n > 0 || -1) * Math.floor(Math.abs(n));
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}
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}
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if (n >= len) {
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return -1;
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}
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var k = n >= 0 ? n : Math.max(len - Math.abs(n), 0);
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for (; k < len; k++) {
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if (k in t && t[k] === searchElement) {
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return k;
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}
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}
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return -1;
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}
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} |