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Examples: Improved webgl_loader_gltf_compressed.
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mrdoob committed Jan 22, 2021
1 parent 3c87cc7 commit 067cf15
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65 changes: 26 additions & 39 deletions examples/webgl_loader_gltf_compressed.html
Original file line number Diff line number Diff line change
Expand Up @@ -11,8 +11,7 @@
<div id="info">
<a href="https://threejs.org" target="_blank" rel="noopener">three.js</a> - GLTFLoader + compression extensions<br />
<a href="https://sketchfab.com/3d-models/coffeemat-7fb196a40a6e4697aad9ca2f75c8b33d" target="_blank" rel="noopener">Coffeemat</a> by
<a href="https://sketchfab.com/OFFcours1" target="_blank" rel="noopener">Roman Red</a><br />
<a href="https://hdrihaven.com/hdri/?h=royal_esplanade" target="_blank" rel="noopener">Royal Esplanade</a> by <a href="https://hdrihaven.com/" target="_blank" rel="noopener">HDRI Haven</a>
<a href="https://sketchfab.com/OFFcours1" target="_blank" rel="noopener">Roman Red</a>
</div>

<script src="./js/libs/basis/msc_basis_transcoder.js"></script>
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import * as THREE from '../build/three.module.js';

import { RoomEnvironment } from './jsm/environments/RoomEnvironment.js';
import { OrbitControls } from './jsm/controls/OrbitControls.js';
import { GLTFLoader } from './jsm/loaders/GLTFLoader.js';
import { RGBELoader } from './jsm/loaders/RGBELoader.js';

import { KTX2Loader } from './jsm/loaders/KTX2Loader.js';
import { MeshoptDecoder } from './jsm/libs/meshopt_decoder.module.js';
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container.appendChild( renderer.domElement );

camera = new THREE.PerspectiveCamera( 45, window.innerWidth / window.innerHeight, 1, 2000 );
camera.position.set( 0, 90, 0 );
camera.position.set( 0, 100, 0 );

scene = new THREE.Scene();

const ktx2Loader = new KTX2Loader().detectSupport( renderer );

new RGBELoader()
.setDataType( THREE.UnsignedByteType )
.setPath( 'textures/equirectangular/' )
.load( 'royal_esplanade_1k.hdr', function ( texture ) {

const envMap = pmremGenerator.fromEquirectangular( texture ).texture;

scene.background = envMap;
scene.environment = envMap;

texture.dispose();
pmremGenerator.dispose();

render();

// model
const environment = new RoomEnvironment();
const pmremGenerator = new THREE.PMREMGenerator( renderer );

const loader = new GLTFLoader().setPath( 'models/gltf/' );
loader.setKTX2Loader( ktx2Loader );
loader.setMeshoptDecoder( MeshoptDecoder );
scene = new THREE.Scene();
scene.background = new THREE.Color( 0xbbbbbb );
scene.environment = pmremGenerator.fromScene( environment ).texture;

// coffeemat.glb was produced from the source scene using gltfpack:
// gltfpack -i coffeemat/scene.gltf -o coffeemat.glb -cc -tc
// The resulting model uses EXT_meshopt_compression (for geometry) and KHR_texture_basisu (for texture compression using ETC1S/BasisLZ)
const grid = new THREE.GridHelper( 500, 10, 0xffffff, 0xffffff );
grid.material.opacity = 0.5;
grid.material.depthWrite = false;
grid.material.transparent = true;
scene.add( grid );

loader.load( 'coffeemat.glb', function ( gltf ) {
const loader = new GLTFLoader().setPath( 'models/gltf/' );
loader.setKTX2Loader( new KTX2Loader().detectSupport( renderer ) );
loader.setMeshoptDecoder( MeshoptDecoder );
loader.load( 'coffeemat.glb', function ( gltf ) {

scene.add( gltf.scene );
// coffeemat.glb was produced from the source scene using gltfpack:
// gltfpack -i coffeemat/scene.gltf -o coffeemat.glb -cc -tc
// The resulting model uses EXT_meshopt_compression (for geometry) and KHR_texture_basisu (for texture compression using ETC1S/BasisLZ)

render();
gltf.scene.position.y = 8;

} );
scene.add( gltf.scene );

} );
render();

const pmremGenerator = new THREE.PMREMGenerator( renderer );
pmremGenerator.compileEquirectangularShader();
} );

const controls = new OrbitControls( camera, renderer.domElement );
controls.addEventListener( 'change', render ); // use if there is no animation loop
controls.minDistance = 500;
controls.minDistance = 400;
controls.maxDistance = 1000;
controls.target.set( 10, 76, -16 );
controls.target.set( 10, 90, - 16 );
controls.update();

window.addEventListener( 'resize', onWindowResize, false );
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