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