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- <!DOCTYPE html>
- <html lang="en">
- <head>
- <title>three.js webgl - materials - compressed textures</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> - webgl - compressed textures<br/>
- leaf texture by <a href="http://opengameart.org/node/10505">lauris71</a>, explosion texture by <a href="http://opengameart.org/node/7728">bart</a>
- </div>
- <script type="importmap">
- {
- "imports": {
- "three": "../build/three.module.js",
- "three/addons/": "./jsm/"
- }
- }
- </script>
- <script type="module">
- import * as THREE from 'three';
- import { DDSLoader } from 'three/addons/loaders/DDSLoader.js';
- let camera, scene, renderer;
- const meshes = [];
- init();
- function init() {
- camera = new THREE.PerspectiveCamera( 50, window.innerWidth / window.innerHeight, 0.1, 100 );
- camera.position.z = 15;
- scene = new THREE.Scene();
- const geometry = new THREE.BoxGeometry( 2, 2, 2 );
- /*
- This is how compressed textures are supposed to be used:
- DXT1 - RGB - opaque textures
- DXT3 - RGBA - transparent textures with sharp alpha transitions
- DXT5 - RGBA - transparent textures with full alpha range
- */
- const loader = new DDSLoader();
- const map1 = loader.load( 'textures/compressed/disturb_dxt1_nomip.dds' );
- map1.minFilter = map1.magFilter = THREE.LinearFilter;
- map1.anisotropy = 4;
- map1.colorSpace = THREE.SRGBColorSpace;
- const map2 = loader.load( 'textures/compressed/disturb_dxt1_mip.dds' );
- map2.anisotropy = 4;
- map2.colorSpace = THREE.SRGBColorSpace;
- const map3 = loader.load( 'textures/compressed/hepatica_dxt3_mip.dds' );
- map3.anisotropy = 4;
- map3.colorSpace = THREE.SRGBColorSpace;
- const map4 = loader.load( 'textures/compressed/explosion_dxt5_mip.dds' );
- map4.anisotropy = 4;
- map4.colorSpace = THREE.SRGBColorSpace;
- const map5 = loader.load( 'textures/compressed/disturb_argb_nomip.dds' );
- map5.minFilter = map5.magFilter = THREE.LinearFilter;
- map5.anisotropy = 4;
- map5.colorSpace = THREE.SRGBColorSpace;
- const map6 = loader.load( 'textures/compressed/disturb_argb_mip.dds' );
- map6.anisotropy = 4;
- map6.colorSpace = THREE.SRGBColorSpace;
- const map7 = loader.load( 'textures/compressed/disturb_dx10_bc6h_signed_nomip.dds' );
- map7.anisotropy = 4;
- const map8 = loader.load( 'textures/compressed/disturb_dx10_bc6h_signed_mip.dds' );
- map8.anisotropy = 4;
- const map9 = loader.load( 'textures/compressed/disturb_dx10_bc6h_unsigned_nomip.dds' );
- map9.anisotropy = 4;
- const map10 = loader.load( 'textures/compressed/disturb_dx10_bc6h_unsigned_mip.dds' );
- map10.anisotropy = 4;
- const cubemap1 = loader.load( 'textures/compressed/Mountains.dds', function ( texture ) {
- texture.magFilter = THREE.LinearFilter;
- texture.minFilter = THREE.LinearFilter;
- texture.mapping = THREE.CubeReflectionMapping;
- texture.colorSpace = THREE.SRGBColorSpace;
- material1.needsUpdate = true;
- } );
- const cubemap2 = loader.load( 'textures/compressed/Mountains_argb_mip.dds', function ( texture ) {
- texture.magFilter = THREE.LinearFilter;
- texture.minFilter = THREE.LinearFilter;
- texture.mapping = THREE.CubeReflectionMapping;
- texture.colorSpace = THREE.SRGBColorSpace;
- material5.needsUpdate = true;
- } );
- const cubemap3 = loader.load( 'textures/compressed/Mountains_argb_nomip.dds', function ( texture ) {
- texture.magFilter = THREE.LinearFilter;
- texture.minFilter = THREE.LinearFilter;
- texture.mapping = THREE.CubeReflectionMapping;
- texture.colorSpace = THREE.SRGBColorSpace;
- material6.needsUpdate = true;
- } );
- const material1 = new THREE.MeshBasicMaterial( { map: map1, envMap: cubemap1 } );
- const material2 = new THREE.MeshBasicMaterial( { map: map2 } );
- const material3 = new THREE.MeshBasicMaterial( { map: map3, alphaTest: 0.5, side: THREE.DoubleSide } );
- const material4 = new THREE.MeshBasicMaterial( { map: map4, side: THREE.DoubleSide, blending: THREE.AdditiveBlending, depthTest: false, transparent: true } );
- const material5 = new THREE.MeshBasicMaterial( { envMap: cubemap2 } );
- const material6 = new THREE.MeshBasicMaterial( { envMap: cubemap3 } );
- const material7 = new THREE.MeshBasicMaterial( { map: map5 } );
- const material8 = new THREE.MeshBasicMaterial( { map: map6 } );
- const material9 = new THREE.MeshBasicMaterial( { map: map7 } );
- const material10 = new THREE.MeshBasicMaterial( { map: map8 } );
- const material11 = new THREE.MeshBasicMaterial( { map: map9 } );
- const material12 = new THREE.MeshBasicMaterial( { map: map10 } );
- let mesh = new THREE.Mesh( new THREE.TorusGeometry(), material1 );
- mesh.position.x = - 10;
- mesh.position.y = - 2;
- scene.add( mesh );
- meshes.push( mesh );
- mesh = new THREE.Mesh( geometry, material2 );
- mesh.position.x = - 6;
- mesh.position.y = - 2;
- scene.add( mesh );
- meshes.push( mesh );
- mesh = new THREE.Mesh( geometry, material3 );
- mesh.position.x = - 6;
- mesh.position.y = 2;
- scene.add( mesh );
- meshes.push( mesh );
- mesh = new THREE.Mesh( geometry, material4 );
- mesh.position.x = - 10;
- mesh.position.y = 2;
- scene.add( mesh );
- meshes.push( mesh );
- mesh = new THREE.Mesh( geometry, material5 );
- mesh.position.x = - 2;
- mesh.position.y = 2;
- scene.add( mesh );
- meshes.push( mesh );
- mesh = new THREE.Mesh( geometry, material6 );
- mesh.position.x = - 2;
- mesh.position.y = - 2;
- scene.add( mesh );
- meshes.push( mesh );
- mesh = new THREE.Mesh( geometry, material7 );
- mesh.position.x = 2;
- mesh.position.y = - 2;
- scene.add( mesh );
- meshes.push( mesh );
- mesh = new THREE.Mesh( geometry, material8 );
- mesh.position.x = 2;
- mesh.position.y = 2;
- scene.add( mesh );
- meshes.push( mesh );
- mesh = new THREE.Mesh( geometry, material9 );
- mesh.position.x = 6;
- mesh.position.y = - 2;
- scene.add( mesh );
- meshes.push( mesh );
- mesh = new THREE.Mesh( geometry, material10 );
- mesh.position.x = 6;
- mesh.position.y = 2;
- scene.add( mesh );
- meshes.push( mesh );
- mesh = new THREE.Mesh( geometry, material11 );
- mesh.position.x = 10;
- mesh.position.y = - 2;
- scene.add( mesh );
- meshes.push( mesh );
- mesh = new THREE.Mesh( geometry, material12 );
- mesh.position.x = 10;
- mesh.position.y = 2;
- scene.add( mesh );
- meshes.push( mesh );
- renderer = new THREE.WebGLRenderer( { antialias: true } );
- renderer.setPixelRatio( window.devicePixelRatio );
- renderer.setSize( window.innerWidth, window.innerHeight );
- renderer.setAnimationLoop( animate );
- document.body.appendChild( renderer.domElement );
- window.addEventListener( 'resize', onWindowResize );
- }
- function onWindowResize() {
- camera.aspect = window.innerWidth / window.innerHeight;
- camera.updateProjectionMatrix();
- renderer.setSize( window.innerWidth, window.innerHeight );
- }
- function animate() {
- const time = Date.now() * 0.001;
- for ( let i = 0; i < meshes.length; i ++ ) {
- const mesh = meshes[ i ];
- mesh.rotation.x = time;
- mesh.rotation.y = time;
- }
- renderer.render( scene, camera );
- }
- </script>
- </body>
- </html>
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