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- <!-- Licensed under a BSD license. See license.html for license -->
- <!DOCTYPE html>
- <html>
- <head>
- <meta charset="utf-8">
- <meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=yes">
- <title>Three.js - Textured Cube - 6 Textures</title>
- <style>
- html, body {
- height: 100%;
- margin: 0;
- }
- #c {
- width: 100%;
- height: 100%;
- display: block;
- }
- #loading {
- position: fixed;
- top: 0;
- left: 0;
- width: 100%;
- height: 100%;
- display: flex;
- justify-content: center;
- align-items: center;
- }
- #loading .progress {
- margin: 1.5em;
- border: 1px solid white;
- width: 50vw;
- }
- #loading .progressbar {
- margin: 2px;
- background: white;
- height: 1em;
- transform-origin: top left;
- transform: scaleX(0);
- }
- </style>
- </head>
- <body>
- <canvas id="c"></canvas>
- <div id="loading">
- <div class="progress"><div class="progressbar"></div></div>
- </div>
- </body>
- <script type="importmap">
- {
- "imports": {
- "three": "../../build/three.module.js"
- }
- }
- </script>
- <script type="module">
- import * as THREE from 'three';
- function main() {
- const canvas = document.querySelector( '#c' );
- const renderer = new THREE.WebGLRenderer( { antialias: true, canvas } );
- const fov = 75;
- const aspect = 2; // the canvas default
- const near = 0.1;
- const far = 5;
- const camera = new THREE.PerspectiveCamera( fov, aspect, near, far );
- camera.position.z = 2;
- const scene = new THREE.Scene();
- const boxWidth = 1;
- const boxHeight = 1;
- const boxDepth = 1;
- const geometry = new THREE.BoxGeometry( boxWidth, boxHeight, boxDepth );
- const cubes = []; // just an array we can use to rotate the cubes
- const loadManager = new THREE.LoadingManager();
- const loader = new THREE.TextureLoader( loadManager );
- const materials = [
- new THREE.MeshBasicMaterial( { map: loadColorTexture( 'resources/images/flower-1.jpg' ) } ),
- new THREE.MeshBasicMaterial( { map: loadColorTexture( 'resources/images/flower-2.jpg' ) } ),
- new THREE.MeshBasicMaterial( { map: loadColorTexture( 'resources/images/flower-3.jpg' ) } ),
- new THREE.MeshBasicMaterial( { map: loadColorTexture( 'resources/images/flower-4.jpg' ) } ),
- new THREE.MeshBasicMaterial( { map: loadColorTexture( 'resources/images/flower-5.jpg' ) } ),
- new THREE.MeshBasicMaterial( { map: loadColorTexture( 'resources/images/flower-6.jpg' ) } ),
- ];
- const loadingElem = document.querySelector( '#loading' );
- const progressBarElem = loadingElem.querySelector( '.progressbar' );
- loadManager.onLoad = () => {
- loadingElem.style.display = 'none';
- const cube = new THREE.Mesh( geometry, materials );
- scene.add( cube );
- cubes.push( cube ); // add to our list of cubes to rotate
- };
- loadManager.onProgress = ( urlOfLastItemLoaded, itemsLoaded, itemsTotal ) => {
- const progress = itemsLoaded / itemsTotal;
- progressBarElem.style.transform = `scaleX(${progress})`;
- };
- function resizeRendererToDisplaySize( renderer ) {
- const canvas = renderer.domElement;
- const width = canvas.clientWidth;
- const height = canvas.clientHeight;
- const needResize = canvas.width !== width || canvas.height !== height;
- if ( needResize ) {
- renderer.setSize( width, height, false );
- }
- return needResize;
- }
- function loadColorTexture( path ) {
- const texture = loader.load( path );
- texture.colorSpace = THREE.SRGBColorSpace;
- return texture;
- }
- function render( time ) {
- time *= 0.001;
- if ( resizeRendererToDisplaySize( renderer ) ) {
- const canvas = renderer.domElement;
- camera.aspect = canvas.clientWidth / canvas.clientHeight;
- camera.updateProjectionMatrix();
- }
- cubes.forEach( ( cube, ndx ) => {
- const speed = .2 + ndx * .1;
- const rot = time * speed;
- cube.rotation.x = rot;
- cube.rotation.y = rot;
- } );
- renderer.render( scene, camera );
- requestAnimationFrame( render );
- }
- requestAnimationFrame( render );
- }
- main();
- </script>
- </html>
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