javascript
/
three.js
огледало от https://github.com/tazdij/three.js.git


			
				
					
						
						
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							<!DOCTYPE html>
<html lang="en">
	<head>
		<title>three.js webgl - lottie loader</title>
		<meta charset="utf-8">
		<meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
		<link type="text/css" rel="stylesheet" href="main.css">
	</head>
	<body>

		<div id="info">
			<a href="http://threejs.org" target="_blank" rel="noopener">three.js</a> webgl - lottie<br/></br>
			<input id="scrubber" type="range" value="0" style="width: 300px">
		</div>

		<script src="js/libs/lottie_canvas.js"></script>

		<script type="module">

			import * as THREE from '../build/three.module.js';
			import { LottieLoader } from './jsm/loaders/LottieLoader.js';

			let renderer, scene, camera;
			let mesh;

			init();
			animate();

			function init() {

				camera = new THREE.PerspectiveCamera( 50, window.innerWidth / window.innerHeight, 0.1, 10 );
				camera.position.z = 3;

				scene = new THREE.Scene();
				scene.background = new THREE.Color( 0x222222 );

				const loader = new LottieLoader();
				loader.load( 'textures/lottie/24017-lottie-logo-animation.json', function ( texture ) {

					setupControls( texture.animation );

					const geometry = new THREE.BoxBufferGeometry();
					const material = new THREE.MeshBasicMaterial( { map: texture } );
					mesh = new THREE.Mesh( geometry, material );
					scene.add( mesh );

				} );

				renderer = new THREE.WebGLRenderer();
				renderer.setPixelRatio( window.devicePixelRatio );
				renderer.setSize( window.innerWidth, window.innerHeight );
				document.body.appendChild( renderer.domElement );

				//

				window.addEventListener( 'resize', onWindowResize, false );

			}

			function setupControls( animation ) {

				// Lottie animation API
				// https://airbnb.io/lottie/#/web

				// There are a few undocumented properties:
				// console.log( animation );

				const scrubber = document.getElementById( 'scrubber' );
				scrubber.max = animation.totalFrames;

				scrubber.addEventListener( 'pointerdown', function () {

					animation.pause();

				} );

				scrubber.addEventListener( 'pointerup', function () {

					animation.play();

				} );

				scrubber.addEventListener( 'input', function () {

					animation.goToAndStop( parseFloat( scrubber.value ), true );

				} );

				animation.addEventListener( 'enterFrame', function () {

					scrubber.value = animation.currentFrame;

				} );

			}

			function onWindowResize() {

				camera.updateProjectionMatrix();

				renderer.setSize( window.innerWidth, window.innerHeight );

			}

			//

			function animate() {

				requestAnimationFrame( animate );

				if ( mesh ) {

					mesh.rotation.x += 0.001;
					mesh.rotation.y += 0.01;

				}

				renderer.render( scene, camera );

			}

		</script>
	</body>
</html>