three-globe
Version:
Globe data visualization as a ThreeJS reusable 3D object
79 lines (66 loc) • 2.65 kB
HTML
<head>
<style> body { margin: 0; } </style>
<script type="importmap">{ "imports": {
"three": "https://esm.sh/three",
"three/": "https://esm.sh/three/"
}}</script>
<!-- <script type="module"> import * as THREE from 'three'; window.THREE = THREE;</script>-->
<!-- <script src="../../dist/three-globe.js" defer></script>-->
</head>
<body>
<div id="globeViz"></div>
<script type="module">
import ThreeGlobe from 'https://esm.sh/three-globe?external=three';
import * as THREE from 'https://esm.sh/three';
import { TrackballControls } from 'three/examples/jsm/controls/TrackballControls.js?external=three';
const TILE_MARGIN = 0.35; // degrees
// Gen random data
const GRID_SIZE = [60, 20];
const COLORS = ['red', 'green', 'yellow', 'blue', 'orange', 'pink', 'brown', 'purple', 'magenta'];
const materials = COLORS.map(color => new THREE.MeshLambertMaterial({ color, opacity: 0.6, transparent: true }));
const tileWidth = 360 / GRID_SIZE[0];
const tileHeight = 180 / GRID_SIZE[1];
const tilesData = [];
[...Array(GRID_SIZE[0]).keys()].forEach(lngIdx =>
[...Array(GRID_SIZE[1]).keys()].forEach(latIdx =>
tilesData.push({
lng: -180 + lngIdx * tileWidth,
lat: -90 + (latIdx + 0.5) * tileHeight,
material: materials[Math.floor(Math.random() * materials.length)]
})
)
);
const Globe = new ThreeGlobe()
.tilesData(tilesData)
.tileWidth(tileWidth - TILE_MARGIN)
.tileHeight(tileHeight - TILE_MARGIN)
.tileMaterial('material');
// Setup renderer
const renderer = new THREE.WebGLRenderer();
renderer.setSize(window.innerWidth, window.innerHeight);
renderer.setPixelRatio(window.devicePixelRatio);
document.getElementById('globeViz').appendChild(renderer.domElement);
// Setup scene
const scene = new THREE.Scene();
scene.add(Globe);
scene.add(new THREE.AmbientLight(0xcccccc, Math.PI));
scene.add(new THREE.DirectionalLight(0xffffff, 0.6 * Math.PI));
// Setup camera
const camera = new THREE.PerspectiveCamera();
camera.aspect = window.innerWidth/window.innerHeight;
camera.updateProjectionMatrix();
camera.position.z = 500;
// Add camera controls
const tbControls = new TrackballControls(camera, renderer.domElement);
tbControls.minDistance = 101;
tbControls.rotateSpeed = 5;
tbControls.zoomSpeed = 0.8;
// Kick-off renderer
(function animate() { // IIFE
// Frame cycle
tbControls.update();
renderer.render(scene, camera);
requestAnimationFrame(animate);
})();
</script>
</body>