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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 - PVR compressed textures
- </div>
- <script type="importmap">
- {
- "imports": {
- "three": "../build/three.module.js",
- "three/addons/": "./jsm/"
- }
- }
- </script>
- <script type="module">
- import * as THREE from 'three';
- import { PVRLoader } from 'three/addons/loaders/PVRLoader.js';
- let camera, scene, renderer;
- const meshes = [];
- init();
- function init() {
- camera = new THREE.PerspectiveCamera( 50, window.innerWidth / window.innerHeight, 1, 2000 );
- camera.position.z = 1000;
- scene = new THREE.Scene();
- const geometry = new THREE.BoxGeometry( 200, 200, 200 );
- //
- const onCube1Loaded = function ( texture ) {
- texture.magFilter = THREE.LinearFilter;
- texture.minFilter = THREE.LinearFilter;
- texture.mapping = THREE.CubeReflectionMapping;
- texture.colorSpace = THREE.SRGBColorSpace;
- material6.needsUpdate = true;
- };
- const onCube2Loaded = function ( texture ) {
- texture.magFilter = THREE.LinearFilter;
- // texture.minFilter = LinearMipmapNearestFilter;
- texture.minFilter = THREE.LinearFilter;
- texture.mapping = THREE.CubeReflectionMapping;
- texture.colorSpace = THREE.SRGBColorSpace;
- material8.needsUpdate = true;
- };
- //
- const loader = new PVRLoader();
- const disturb_4bpp_rgb = loader.load( 'textures/compressed/disturb_4bpp_rgb.pvr' );
- const disturb_4bpp_rgb_v3 = loader.load( 'textures/compressed/disturb_4bpp_rgb_v3.pvr' );
- const disturb_4bpp_rgb_mips = loader.load( 'textures/compressed/disturb_4bpp_rgb_mips.pvr' );
- const disturb_2bpp_rgb = loader.load( 'textures/compressed/disturb_2bpp_rgb.pvr' );
- const flare_4bpp_rgba = loader.load( 'textures/compressed/flare_4bpp_rgba.pvr' );
- const flare_2bpp_rgba = loader.load( 'textures/compressed/flare_2bpp_rgba.pvr' );
- const park3_cube_nomip_4bpp_rgb = loader.load( 'textures/compressed/park3_cube_nomip_4bpp_rgb.pvr', onCube1Loaded );
- const park3_cube_mip_2bpp_rgb_v3 = loader.load( 'textures/compressed/park3_cube_mip_2bpp_rgb_v3.pvr', onCube2Loaded );
- disturb_2bpp_rgb.minFilter =
- disturb_2bpp_rgb.magFilter =
- flare_4bpp_rgba.minFilter =
- flare_4bpp_rgba.magFilter =
- disturb_4bpp_rgb.minFilter =
- disturb_4bpp_rgb.magFilter =
- disturb_4bpp_rgb_v3.minFilter =
- disturb_4bpp_rgb_v3.magFilter =
- flare_2bpp_rgba.minFilter =
- flare_2bpp_rgba.magFilter = THREE.LinearFilter;
- disturb_2bpp_rgb.encoding =
- flare_4bpp_rgba.encoding =
- disturb_4bpp_rgb.encoding =
- disturb_4bpp_rgb_v3.encoding =
- flare_2bpp_rgba.colorSpace = THREE.SRGBColorSpace;
- const material1 = new THREE.MeshBasicMaterial( { map: disturb_4bpp_rgb } );
- const material2 = new THREE.MeshBasicMaterial( { map: disturb_4bpp_rgb_mips } );
- const material3 = new THREE.MeshBasicMaterial( { map: disturb_2bpp_rgb } );
- const material4 = new THREE.MeshBasicMaterial( { map: flare_4bpp_rgba, side: THREE.DoubleSide, depthTest: false, transparent: true } );
- const material5 = new THREE.MeshBasicMaterial( { map: flare_2bpp_rgba, side: THREE.DoubleSide, depthTest: false, transparent: true } );
- const material6 = new THREE.MeshBasicMaterial( { envMap: park3_cube_nomip_4bpp_rgb } );
- const material8 = new THREE.MeshBasicMaterial( { envMap: park3_cube_mip_2bpp_rgb_v3 } );
- const material7 = new THREE.MeshBasicMaterial( { map: disturb_4bpp_rgb_v3 } );
- //
- let mesh = new THREE.Mesh( geometry, material1 );
- mesh.position.x = - 500;
- mesh.position.y = 200;
- scene.add( mesh );
- meshes.push( mesh );
- mesh = new THREE.Mesh( geometry, material2 );
- mesh.position.x = - 166;
- mesh.position.y = 200;
- scene.add( mesh );
- meshes.push( mesh );
- mesh = new THREE.Mesh( geometry, material3 );
- mesh.position.x = 166;
- mesh.position.y = 200;
- scene.add( mesh );
- meshes.push( mesh );
- mesh = new THREE.Mesh( geometry, material7 );
- mesh.position.x = 500;
- mesh.position.y = 200;
- scene.add( mesh );
- meshes.push( mesh );
- mesh = new THREE.Mesh( geometry, material4 );
- mesh.position.x = - 500;
- mesh.position.y = - 200;
- scene.add( mesh );
- meshes.push( mesh );
- mesh = new THREE.Mesh( geometry, material5 );
- mesh.position.x = - 166;
- mesh.position.y = - 200;
- scene.add( mesh );
- meshes.push( mesh );
- const torus = new THREE.TorusGeometry( 100, 50, 32, 24 );
- mesh = new THREE.Mesh( torus, material6 );
- mesh.position.x = 166;
- mesh.position.y = - 200;
- scene.add( mesh );
- meshes.push( mesh );
- mesh = new THREE.Mesh( torus, material8 );
- mesh.position.x = 500;
- mesh.position.y = - 200;
- 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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