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three.js.html
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<!DOCTYPE html>
<html lang="en">
<head>
<title>Three.js custom WebGL layer - 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 create a custom 3D layer with Three.js." />
<meta name="keywords" content="3D, Microsoft maps, map, gis, API, SDK, thematic, choropleth, heatmap, heat map, animation, animate, animations, county, population, data-driven, data driven styling, temporal, temporal analysis" />
<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>
<!-- Use https://threejs.org/ to render the 3D models. -->
<script type="importmap">
{
"imports": {
"three": "/lib/three/build/three.module.js",
"three/addons/": "/lib/three/examples/jsm/"
}
}
</script>
<script type="module">
import * as THREE from 'three';
import { GLTFLoader } from 'three/addons/loaders/GLTFLoader.js';
var map, layer;
// 3D model to render
var modelDetails = {
url: "/3d-layer/three.js/parrot.glb",
origin: [-122.128929, 47.644042],
mercatorOrigin: atlas.data.MercatorPoint.fromPosition([-122.128929, 47.644042]),
rotateX: Math.PI / 2,
rotateY: 0,
rotateZ: 0,
scale: 1e-7,
animate: true
};
// Create a renderer that implements atlas.WebGLRenderer
var renderer = {
renderingMode: "3d",
loader: new GLTFLoader(),
modelDetails: modelDetails,
// Method called when the layer is added to the map
onAdd: function (map, gl) {
this.map = map;
this.camera = new THREE.Camera();
this.scene = new THREE.Scene();
this.clock = new THREE.Clock();
// Create lights to illuminate the model
var directionalLight = new THREE.DirectionalLight(0xffffff);
directionalLight.position.set(0, 70, 100).normalize();
this.scene.add(directionalLight);
var ambientLight = new THREE.AmbientLight(0x808080);
this.scene.add(ambientLight);
// Load the model
this.loadModel();
//Use the Azure Maps map canvas for three.js
this.renderer = new THREE.WebGLRenderer({
canvas: map.getCanvas(),
context: gl
});
this.renderer.autoClear = false;
},
// Method called on each animation frame
render: function (gl, matrix) {
var md = this.modelDetails;
if (md) {
var rotationX = new THREE.Matrix4().makeRotationAxis(new THREE.Vector3(1, 0, 0), md.rotateX);
var rotationY = new THREE.Matrix4().makeRotationAxis(new THREE.Vector3(0, 1, 0), md.rotateY);
var rotationZ = new THREE.Matrix4().makeRotationAxis(new THREE.Vector3(0, 0, 1), md.rotateZ);
var m = new THREE.Matrix4().fromArray(matrix);
var l = new THREE.Matrix4()
.makeTranslation(md.mercatorOrigin[0], md.mercatorOrigin[1], md.mercatorOrigin[2])
.scale(new THREE.Vector3(md.scale, -md.scale, md.scale))
.multiply(rotationX)
.multiply(rotationY)
.multiply(rotationZ);
this.camera.projectionMatrix.elements = matrix;
this.camera.projectionMatrix = m.multiply(l);
this.renderer.resetState();
this.renderer.render(this.scene, this.camera);
this.renderer.resetState();
}
map.triggerRepaint();
},
loadModel: function () {
var md = this.modelDetails;
this.mixer = null;
if (md) {
// Use the three.js GLTF loader to add the 3D model to the three.js scene
this.loader.load(
md.url,
function (gltf) {
this.gltfModelScene = gltf.scene;
this.scene.add(gltf.scene);
if (md.animate) {
this.mixer = new THREE.AnimationMixer(gltf.scene);
var action = this.mixer.clipAction(gltf.animations[0]);
action.play();
this.animate();
}
}.bind(this)
);
this.map.setCamera({
center: md.origin
});
}
},
animate: function () {
if (this.mixer) {
this.mixer.update(this.clock.getDelta());
this.renderer.render(this.scene, this.camera);
requestAnimationFrame(() => {
this.animate();
});
}
}
};
function getMap() {
map = new atlas.Map("map", {
zoom: 16,
pitch: 60,
bearing: -45,
antialias: true,
// 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));
}
// Use an Azure Maps key. Get an Azure Maps key at https://azuremaps.com/. 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 WebGL layer
layer = new atlas.layer.WebGLLayer("3d-model", { renderer });
// Add the layer to the map
map.layers.add(layer);
// Add controls
map.controls.add(
[
new atlas.control.ZoomControl(),
new atlas.control.PitchControl(),
new atlas.control.CompassControl(),
new atlas.control.StyleControl({
mapStyles: "all"
})
],
{
position: "top-right"
}
);
});
}
window.getMap = getMap;
</script>
</head>
<body onload="window.getMap()">
<div id="map" style="position:relative;width:100%;min-width:290px;height:600px;background-color:gray"></div>
<fieldset style="width:calc(100% - 30px);min-width:290px;margin-top:10px;">
<legend>Three.js custom WebGL layer</legend>
This sample shows how to load a 3D GLTF model using <a href="https://threejs.org/">three.js</a> as a WebGL layer within the Azure Maps Web SDK.
Three.js is an easy-to-use, lightweight, cross-browser, general-purpose 3D library.
</fieldset>
</body>
</html>