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- <!DOCTYPE html>
- <html lang="en">
- <head>
- <title>three.js webgpu - 2d texture array</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="https://threejs.org" target="_blank" rel="noopener">three.js</a> - 2D Texture array<br />
- Scanned head data by
- <a href="https://www.codeproject.com/Articles/352270/Getting-started-with-Volume-Rendering" target="_blank" rel="noopener">Divine Augustine</a><br />
- licensed under
- <a href="https://www.codeproject.com/info/cpol10.aspx" target="_blank" rel="noopener">CPOL</a>
- </div>
- <script type="importmap">
- {
- "imports": {
- "three": "../build/three.webgpu.js",
- "three/tsl": "../build/three.webgpu.js",
- "three/addons/": "./jsm/"
- }
- }
- </script>
- <script type="module">
- import * as THREE from 'three';
- import { texture, uv, oscTriangle, timerLocal } from 'three/tsl';
- import Stats from 'three/addons/libs/stats.module.js';
- import { unzipSync } from 'three/addons/libs/fflate.module.js';
- let camera, scene, mesh, renderer, stats;
- const planeWidth = 50;
- const planeHeight = 50;
- init();
- function init() {
- const container = document.createElement( 'div' );
- document.body.appendChild( container );
- camera = new THREE.PerspectiveCamera( 45, window.innerWidth / window.innerHeight, 0.1, 2000 );
- camera.position.z = 70;
- scene = new THREE.Scene();
- // width 256, height 256, depth 109, 8-bit, zip archived raw data
- new THREE.FileLoader()
- .setResponseType( 'arraybuffer' )
- .load( 'textures/3d/head256x256x109.zip', function ( data ) {
- const zip = unzipSync( new Uint8Array( data ) );
- const array = new Uint8Array( zip[ 'head256x256x109' ].buffer );
- const map = new THREE.DataArrayTexture( array, 256, 256, 109 );
- map.format = THREE.RedFormat;
- map.needsUpdate = true;
- let coord = uv();
- coord = coord.setY( coord.y.oneMinus() ); // flip y
- let oscLayers = oscTriangle( timerLocal( .5 ) ); // [ /\/ ] triangle osc animation
- oscLayers = oscLayers.add( 1 ).mul( .5 ); // convert osc range of [ -1, 1 ] to [ 0, 1 ]
- oscLayers = oscLayers.mul( map.image.depth ); // scale osc range to texture depth
- const material = new THREE.MeshBasicNodeMaterial();
- material.colorNode = texture( map, coord ).depth( oscLayers ).r.remap( 0, 1, - .1, 1.8 ); // remap to make it more visible
- const geometry = new THREE.PlaneGeometry( planeWidth, planeHeight );
- mesh = new THREE.Mesh( geometry, material );
- scene.add( mesh );
- } );
- renderer = new THREE.WebGPURenderer();
- renderer.setPixelRatio( window.devicePixelRatio );
- renderer.setSize( window.innerWidth, window.innerHeight );
- renderer.setAnimationLoop( animate );
- container.appendChild( renderer.domElement );
- stats = new Stats();
- container.appendChild( stats.dom );
- window.addEventListener( 'resize', onWindowResize );
- }
- function onWindowResize() {
- camera.aspect = window.innerWidth / window.innerHeight;
- camera.updateProjectionMatrix();
- renderer.setSize( window.innerWidth, window.innerHeight );
- }
- function animate() {
- render();
- stats.update();
- }
- function render() {
- renderer.render( scene, camera );
- }
- </script>
- </body>
- </html>
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