-
-
Notifications
You must be signed in to change notification settings - Fork 35.3k
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
KTX2Exporter: Fix metadata, add example (#29541)
- Loading branch information
1 parent
2513543
commit b13d1b1
Showing
4 changed files
with
239 additions
and
12 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,203 @@ | ||
| <!DOCTYPE html> | ||
| <html lang="en"> | ||
| <head> | ||
| <title>three.js webgl - exporter - ktx2</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 - exporter - ktx2 | ||
| </div> | ||
|
|
||
| <script type="importmap"> | ||
| { | ||
| "imports": { | ||
| "three": "../build/three.module.js", | ||
| "three/addons/": "./jsm/" | ||
| } | ||
| } | ||
| </script> | ||
|
|
||
| <script type="module"> | ||
|
|
||
| import * as THREE from 'three'; | ||
|
|
||
| import { OrbitControls } from 'three/addons/controls/OrbitControls.js'; | ||
| import { KTX2Exporter } from 'three/addons/exporters/KTX2Exporter.js'; | ||
| import { RGBELoader } from 'three/addons/loaders/RGBELoader.js'; | ||
| import { GUI } from 'three/addons/libs/lil-gui.module.min.js'; | ||
|
|
||
| let scene, camera, renderer, exporter, mesh, controls, renderTarget, dataTexture; | ||
|
|
||
| const params = { | ||
| target: 'pmrem', | ||
| export: exportFile | ||
| }; | ||
|
|
||
| init(); | ||
|
|
||
| function init() { | ||
|
|
||
| renderer = new THREE.WebGLRenderer( { antialias: true } ); | ||
| renderer.toneMapping = THREE.AgXToneMapping; | ||
| renderer.setPixelRatio( window.devicePixelRatio ); | ||
| renderer.setSize( window.innerWidth, window.innerHeight ); | ||
| renderer.setAnimationLoop( animate ); | ||
| document.body.appendChild( renderer.domElement ); | ||
|
|
||
| // | ||
|
|
||
| camera = new THREE.PerspectiveCamera( 50, window.innerWidth / window.innerHeight, 0.1, 100 ); | ||
| camera.position.set( 10, 0, 0 ); | ||
|
|
||
| scene = new THREE.Scene(); | ||
|
|
||
| exporter = new KTX2Exporter(); | ||
| const rgbeloader = new RGBELoader(); | ||
|
|
||
| // | ||
|
|
||
| const pmremGenerator = new THREE.PMREMGenerator( renderer ); | ||
| pmremGenerator.compileEquirectangularShader(); | ||
|
|
||
| rgbeloader.load( 'textures/equirectangular/venice_sunset_1k.hdr', function ( texture ) { | ||
|
|
||
| texture.mapping = THREE.EquirectangularReflectionMapping; | ||
|
|
||
| renderTarget = pmremGenerator.fromEquirectangular( texture ); | ||
| scene.background = renderTarget.texture; | ||
|
|
||
| } ); | ||
|
|
||
| createDataTexture(); | ||
|
|
||
| // | ||
|
|
||
| controls = new OrbitControls( camera, renderer.domElement ); | ||
| controls.enableDamping = true; | ||
| controls.rotateSpeed = - 0.25; // negative, to track mouse pointer | ||
|
|
||
| // | ||
|
|
||
| window.addEventListener( 'resize', onWindowResize ); | ||
|
|
||
| const gui = new GUI(); | ||
|
|
||
| gui.add( params, 'target' ).options( [ 'pmrem', 'data-texture' ] ).onChange( swapScene ); | ||
| gui.add( params, 'export' ).name( 'Export KTX2' ); | ||
| gui.open(); | ||
|
|
||
| } | ||
|
|
||
| function onWindowResize() { | ||
|
|
||
| camera.aspect = window.innerWidth / window.innerHeight; | ||
| camera.updateProjectionMatrix(); | ||
|
|
||
| renderer.setSize( window.innerWidth, window.innerHeight ); | ||
|
|
||
| } | ||
|
|
||
| function animate() { | ||
|
|
||
| controls.update(); | ||
| renderer.render( scene, camera ); | ||
|
|
||
| } | ||
|
|
||
| function createDataTexture() { | ||
|
|
||
| const normal = new THREE.Vector3(); | ||
| const coord = new THREE.Vector2(); | ||
| const size = 800, radius = 320, factor = Math.PI * 0.5 / radius; | ||
| const data = new Float32Array( 4 * size * size ); | ||
|
|
||
| for ( let i = 0; i < size; i ++ ) { | ||
|
|
||
| for ( let j = 0; j < size; j ++ ) { | ||
|
|
||
| const idx = i * size * 4 + j * 4; | ||
| coord.set( j, i ).subScalar( size / 2 ); | ||
|
|
||
| if ( coord.length() < radius ) | ||
| normal.set( | ||
| Math.sin( coord.x * factor ), | ||
| Math.sin( coord.y * factor ), | ||
| Math.cos( coord.x * factor ) | ||
| ); | ||
| else | ||
| normal.set( 0, 0, 1 ); | ||
|
|
||
| data[ idx + 0 ] = .5 + .5 * normal.x; | ||
| data[ idx + 1 ] = .5 + .5 * normal.y; | ||
| data[ idx + 2 ] = .5 + .5 * normal.z; | ||
| data[ idx + 3 ] = 1.; | ||
|
|
||
| } | ||
|
|
||
| } | ||
|
|
||
| dataTexture = new THREE.DataTexture( data, size, size, THREE.RGBAFormat, THREE.FloatType ); | ||
| dataTexture.needsUpdate = true; | ||
|
|
||
| const material = new THREE.MeshBasicMaterial( { map: dataTexture } ); | ||
| const quad = new THREE.PlaneGeometry( 50, 50 ); | ||
| mesh = new THREE.Mesh( quad, material ); | ||
| mesh.visible = false; | ||
|
|
||
| scene.add( mesh ); | ||
|
|
||
| } | ||
|
|
||
| function swapScene() { | ||
|
|
||
| if ( params.target == 'pmrem' ) { | ||
|
|
||
| camera.position.set( 10, 0, 0 ); | ||
| controls.enabled = true; | ||
| scene.background = renderTarget.texture; | ||
| mesh.visible = false; | ||
| renderer.toneMapping = THREE.AgXToneMapping; | ||
|
|
||
| } else { | ||
|
|
||
| camera.position.set( 0, 0, 70 ); | ||
| controls.enabled = false; | ||
| scene.background = new THREE.Color( 0, 0, 0 ); | ||
| mesh.visible = true; | ||
| renderer.toneMapping = THREE.NoToneMapping; | ||
|
|
||
| } | ||
|
|
||
| } | ||
|
|
||
| async function exportFile() { | ||
|
|
||
| let result; | ||
|
|
||
| if ( params.target == 'pmrem' ) | ||
| result = await exporter.parse( renderer, renderTarget ); | ||
| else | ||
| result = await exporter.parse( dataTexture ); | ||
|
|
||
| saveArrayBuffer( result, params.target + '.ktx2' ); | ||
|
|
||
| } | ||
|
|
||
| function saveArrayBuffer( buffer, filename ) { | ||
|
|
||
| const blob = new Blob( [ buffer ], { type: 'image/ktx2' } ); | ||
| const link = document.createElement( 'a' ); | ||
|
|
||
| link.href = URL.createObjectURL( blob ); | ||
| link.download = filename; | ||
| link.click(); | ||
|
|
||
| } | ||
|
|
||
| </script> | ||
|
|
||
| </body> | ||
| </html> |
Loading
Sorry, something went wrong. Reload?
Sorry, we cannot display this file.
Sorry, this file is invalid so it cannot be displayed.