Samples/Animations/Simple HTML Marker Animation/Simple HTML Marker Animation.html

﻿<!DOCTYPE html>
<html lang="en">
<head>
    <title>Simple HTML Marker Animation - Azure Maps Web SDK Samples</title>

    <meta charset="utf-8" />
	<link rel="shortcut icon" href="/favicon.ico"/>
    
    <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no" />
    <meta name="description" content="This sample shows how to animate the position of a HTML marker on the map by updating the coordinates." />
    <meta name="keywords" content="Microsoft maps, map, gis, API, SDK, animate, animation, symbol, pushpin, marker, pin" />
    <meta name="author" content="Microsoft Azure Maps" /><meta name="version" content="1.0" />
    <meta name="screenshot" content="screenshot.gif" />

    <!-- Add references to the Azure Maps Map control JavaScript and CSS files. -->
    <link href="https://atlas.microsoft.com/sdk/javascript/mapcontrol/3/atlas.min.css" rel="stylesheet" />
    <script src="https://atlas.microsoft.com/sdk/javascript/mapcontrol/3/atlas.min.js"></script>

    <script>
        var map, marker, radius = 20;

        function getMap() {
            //Initialize a map instance.
            map = new atlas.Map('myMap', {
                view: 'Auto',

                //Add authentication details for connecting to Azure Maps.
                authOptions: {
                    //Use Microsoft Entra ID authentication.
                    authType: 'anonymous',
                    clientId: 'e6b6ab59-eb5d-4d25-aa57-581135b927f0', //Your Azure Maps client id for accessing your Azure Maps account.
                    getToken: function (resolve, reject, map) {
                        //URL to your authentication service that retrieves an Microsoft Entra ID Token.
                        var tokenServiceUrl = 'https://samples.azuremaps.com/api/GetAzureMapsToken';

                        fetch(tokenServiceUrl).then(r => r.text()).then(token => resolve(token));
                    }

                    //Alternatively, use an Azure Maps key. Get an Azure Maps key at https://azure.com/maps. NOTE: The primary key should be used as the key.
                    //authType: 'subscriptionKey',
                    //subscriptionKey: '[YOUR_AZURE_MAPS_KEY]'
                }
            });

            //Wait until the map resources are ready.
            map.events.add('ready', function () {
                //Create a HTML marker and add it to the map.
                marker = new atlas.HtmlMarker({
                    htmlContent: '<img class="circleImage" alt="Html Marker" src="/images/icons/ssMap.png"/>',
                    position: [0, 0]
                });

                map.markers.add(marker);

                //Start the animation.
                animateMarker(0);
            });
        }

        function positionOnCircle(angle) {
            //Calculate the position on a circle for an angle of animation.
            return [
                Math.cos(angle) * radius,
                Math.sin(angle) * radius
            ];
        }

        function animateMarker(timestamp) {
            //Update the position of the marker for the animation frame.
            marker.setOptions({
                position: positionOnCircle(timestamp / 1000)
            });

            //Request the next frame of the animation.
            requestAnimationFrame(animateMarker);
        }
    </script>
    <style>
        .circleImage {
            width: 40px;
            border: 2px solid green;
            border-radius: 50%;
        }
    </style>
</head>
<body onload='getMap()'>
    <div id="myMap" style="position:relative;width:100%;min-width:290px;height:600px;"></div>

    <fieldset style="width:calc(100% - 30px);min-width:290px;margin-top:10px;">
        <legend>Simple Animation</legend>
        This sample shows how to animate the position of a HTML marker on the map by updating the coordinates.
    </fieldset>
</body>
</html>