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Move Camera Easing

  • This example demonstrates how to smoothly animate camera movement on a Google Map using Tween.js andmoveCamera.

  • The animation adjusts the camera's tilt, heading, and zoom level over a 15-second duration with a quadratic easing function for a smooth transition.

  • The code utilizes an animation loop withrequestAnimationFrame and Tween.js'supdate function to continuously update the camera position.

  • The sample provides both TypeScript and JavaScript code snippets for implementation.

  • To run the sample locally, you need Git and Node.js installed, and then follow the provided instructions to clone, install dependencies, and start the application.

This example usestween.js tosmoothlymoveCamera in an animation loop.

TypeScript

import{Easing,Tween,update}from"@tweenjs/tween.js";letmap:google.maps.Map;constcameraOptions:google.maps.CameraOptions={tilt:0,heading:0,zoom:3,center:{lat:35.6594945,lng:139.6999859},};constmapOptions={...cameraOptions,mapId:"15431d2b469f209e",};functioninitMap():void{map=newgoogle.maps.Map(document.getElementById("map")asHTMLElement,mapOptions);// install Tweenjs with npm i @tweenjs/tween.jsnewTween(cameraOptions)// Create a new tween that modifies 'cameraOptions'..to({tilt:65,heading:90,zoom:18},15000)// Move to destination in 15 second..easing(Easing.Quadratic.Out)// Use an easing function to make the animation smooth..onUpdate(()=>{map.moveCamera(cameraOptions);}).start();// Start the tween immediately.// Setup the animation loop.functionanimate(time:number){requestAnimationFrame(animate);update(time);}requestAnimationFrame(animate);}declareglobal{interfaceWindow{initMap:()=>void;}}window.initMap=initMap;
Note: Read theguide on using TypeScript and Google Maps.

JavaScript

import{Easing,Tween,update}from"@tweenjs/tween.js";letmap;constcameraOptions={tilt:0,heading:0,zoom:3,center:{lat:35.6594945,lng:139.6999859},};constmapOptions={...cameraOptions,mapId:"15431d2b469f209e",};functioninitMap(){map=newgoogle.maps.Map(document.getElementById("map"),mapOptions);// install Tweenjs with npm i @tweenjs/tween.jsnewTween(cameraOptions)// Create a new tween that modifies 'cameraOptions'..to({tilt:65,heading:90,zoom:18},15000)// Move to destination in 15 second..easing(Easing.Quadratic.Out)// Use an easing function to make the animation smooth..onUpdate(()=>{map.moveCamera(cameraOptions);}).start();// Start the tween immediately.// Setup the animation loop.functionanimate(time){requestAnimationFrame(animate);update(time);}requestAnimationFrame(animate);}window.initMap=initMap;
Note: The JavaScript is compiled from the TypeScript snippet.

CSS

/* * Always set the map height explicitly to define the size of the div element * that contains the map. */#map{height:100%;}/* * Optional: Makes the sample page fill the window. */html,body{height:100%;margin:0;padding:0;}

HTML

<html>  <head>    <title>Move Camera Easing</title>    <link rel="stylesheet" type="text/css" href="./style.css" />    <script type="module" src="./index.js"></script>  </head>  <body>    <div></div>    <!--       The `defer` attribute causes the script to execute after the full HTML      document has been parsed. For non-blocking uses, avoiding race conditions,      and consistent behavior across browsers, consider loading using Promises. See      https://developers.google.com/maps/documentation/javascript/load-maps-js-api      for more information.      -->    <script      src="https://maps.googleapis.com/maps/api/js?key=AIzaSyB41DRUbKWJHPxaFjMAwdrzWzbVKartNGg&callback=initMap&v=weekly"      defer    ></script>  </body></html>

Try Sample

Clone Sample

Git and Node.js are required to run this sample locally. Follow theseinstructions to install Node.js and NPM. The following commands clone, install dependencies and start the sample application.

gitclone-bsample-move-camera-easehttps://github.com/googlemaps/js-samples.gitcdjs-samplesnpminpmstart

Other samples can be tried by switching to any branch beginning withsample-SAMPLE_NAME.

gitcheckoutsample-SAMPLE_NAMEnpminpmstart

Except as otherwise noted, the content of this page is licensed under theCreative Commons Attribution 4.0 License, and code samples are licensed under theApache 2.0 License. For details, see theGoogle Developers Site Policies. Java is a registered trademark of Oracle and/or its affiliates.

Last updated 2025-12-11 UTC.