Animation easings - Azure Maps Web SDK Samples
var map, point;
function getMap() {
//Initialize a map instance.
map = new atlas.Map('myMap', {
zoom: 3,
pitch: 60,
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://web.archive.org./web/20240714112321/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 () {
point = new atlas.Shape(new atlas.data.Point([0,0]));
//Create a data source and add it to the map.
datasource = new atlas.source.DataSource();
map.sources.add(datasource);
//Add the data to the data source.
datasource.add(point);
//Add a layer for rendering point data. This could be any layer that supports rendering point data.
map.layers.add(new atlas.layer.SymbolLayer(datasource, null, {
iconOptions: {
offset: ['get', 'offset'],
//For smoother animation, ignore the placement of the icon. This skips the label collision calculations and allows the icon to overlap map labels.
ignorePlacement: true,
//For smoother animation, allow symbol to overlap all other symbols on the map.
allowOverlap: true
}
}));
//Load the easing function dropdown
//Get a list of the easing functions.
var html = [''];
atlas.animations.getEasingNames().forEach(e => {
html.push(``);
});
document.getElementById('easingFns').innerHTML = html.join('');
//Initialize the chart.
easingChart = new Chart(document.getElementById('easingChart'), {
type: 'line',
data: {
//X-axis
labels: xAxis
},
options: {
legend: {
display: false
},
elements: {
line: {
fill: false,
borderColor: 'red',
},
point:{
radius: 0
}
},
responsive: true,
title: {
display: false
},
scales: {
xAxes: [{
display: true,
scaleLabel: {
display: true,
labelString: 'Progress'
}
}],
yAxes: [{
display: true,
scaleLabel: {
display: true,
labelString: 'Value'
}
}]
}
}
});
});
}
var xAxis = [0,0.1, 0.2,0.3,0.4,0.5,0.6,0.7,0.8,0.9,1];
var easingChart;
var easing;
var animation;
function easingChanged(elm){
//Chart the easing function.
if(elm){
easingName = elm.value;
}
var easingFn = atlas.animations.getEasingFn(easingName);
var data = [];
if(easingFn){
for(var i = 0; i < xAxis.length; i++){
data.push(easingFn(xAxis[i]));
}
}
easingChart.data.datasets[0] = {
data: data
};
easingChart.update();
//Animate the point to a new random location using the easing function.
var randomPos = [Math.random() * 360 - 180, Math.random() * 170 - 85];
if(animation){
animation.dispose();
}
animation = atlas.animations.drop(point, null, null, {
duration: 2000,
easing: easingName,
autoPlay: true
});
}
Easing:
Animation easings
This sample demonstrates the different built in easing functions in the Azure Maps animation module.
This sample uses the open source Azure Maps Animation module