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146 lines
3.5 KiB
146 lines
3.5 KiB
3 years ago
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<title>three.js webgl - lottie loader</title>
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<meta charset="utf-8">
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<meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
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<link type="text/css" rel="stylesheet" href="main.css">
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</head>
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<body>
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<div id="info">
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<a href="https://threejs.org" target="_blank" rel="noopener">three.js</a> webgl - lottie<br/></br>
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<input id="scrubber" type="range" value="0" style="width: 300px">
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</div>
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<!-- Import maps polyfill -->
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<!-- Remove this when import maps will be widely supported -->
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<script async src="https://unpkg.com/es-module-shims@1.3.6/dist/es-module-shims.js"></script>
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<script type="importmap">
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{
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"imports": {
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"three": "../build/three.module.js",
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"three/addons/": "./jsm/"
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}
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}
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</script>
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<script type="module">
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import * as THREE from 'three';
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import { RoomEnvironment } from 'three/addons/environments/RoomEnvironment.js';
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import { RoundedBoxGeometry } from 'three/addons/geometries/RoundedBoxGeometry.js';
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import { LottieLoader } from 'three/addons/loaders/LottieLoader.js';
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let renderer, scene, camera;
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let mesh;
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init();
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animate();
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function init() {
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camera = new THREE.PerspectiveCamera( 50, window.innerWidth / window.innerHeight, 0.1, 10 );
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camera.position.z = 2.5;
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scene = new THREE.Scene();
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scene.background = new THREE.Color( 0x111111 );
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const loader = new LottieLoader();
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loader.setQuality( 2 );
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loader.load( 'textures/lottie/24017-lottie-logo-animation.json', function ( texture ) {
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setupControls( texture.animation );
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// texture = new THREE.TextureLoader().load( 'textures/uv_grid_directx.jpg' );
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const geometry = new RoundedBoxGeometry( 1, 1, 1, 7, 0.2 );
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const material = new THREE.MeshStandardMaterial( { roughness: 0.1, map: texture } );
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mesh = new THREE.Mesh( geometry, material );
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scene.add( mesh );
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} );
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renderer = new THREE.WebGLRenderer();
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renderer.setPixelRatio( window.devicePixelRatio );
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renderer.setSize( window.innerWidth, window.innerHeight );
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document.body.appendChild( renderer.domElement );
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const environment = new RoomEnvironment();
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const pmremGenerator = new THREE.PMREMGenerator( renderer );
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scene.environment = pmremGenerator.fromScene( environment ).texture;
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//
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window.addEventListener( 'resize', onWindowResize );
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}
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function setupControls( animation ) {
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// Lottie animation API
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// https://airbnb.io/lottie/#/web
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// There are a few undocumented properties:
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// console.log( animation );
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const scrubber = document.getElementById( 'scrubber' );
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scrubber.max = animation.totalFrames;
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scrubber.addEventListener( 'pointerdown', function () {
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animation.pause();
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} );
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scrubber.addEventListener( 'pointerup', function () {
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animation.play();
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} );
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scrubber.addEventListener( 'input', function () {
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animation.goToAndStop( parseFloat( scrubber.value ), true );
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} );
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animation.addEventListener( 'enterFrame', function () {
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scrubber.value = animation.currentFrame;
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} );
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}
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function onWindowResize() {
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camera.aspect = window.innerWidth / window.innerHeight;
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camera.updateProjectionMatrix();
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renderer.setSize( window.innerWidth, window.innerHeight );
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}
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//
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function animate() {
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requestAnimationFrame( animate );
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if ( mesh ) {
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mesh.rotation.y -= 0.001;
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}
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renderer.render( scene, camera );
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}
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</script>
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</body>
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</html>
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