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+<!DOCTYPE html>
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+<html lang="en">
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+ <head>
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+ <title>three.js webgpu - masking</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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+
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+ <div id="container"></div>
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+
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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/tsl": "../build/three.webgpu.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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+
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+ <script type="module">
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+
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+ import * as THREE from 'three';
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+ import { pass, texture } from 'three/tsl';
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+
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+ let camera, postProcessing, renderer;
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+ let box, torus;
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+
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+ init();
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+
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+ function init() {
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+
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+ // scene
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+
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+ const baseScene = new THREE.Scene();
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+ baseScene.background = new THREE.Color( 0xe0e0e0 );
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+
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+ const maskScene1 = new THREE.Scene();
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+ box = new THREE.Mesh( new THREE.BoxGeometry( 4, 4, 4 ) );
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+ maskScene1.add( box );
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+
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+ const maskScene2 = new THREE.Scene();
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+ torus = new THREE.Mesh( new THREE.TorusGeometry( 3, 1, 16, 32 ) );
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+ maskScene2.add( torus );
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+
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+ camera = new THREE.PerspectiveCamera( 50, window.innerWidth / window.innerHeight, 1, 1000 );
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+ camera.position.z = 10;
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+
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+ // textures
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+
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+ const texture1 = new THREE.TextureLoader().load( 'textures/758px-Canestra_di_frutta_(Caravaggio).jpg' );
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+ texture1.colorSpace = THREE.SRGBColorSpace;
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+ texture1.minFilter = THREE.LinearFilter;
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+ texture1.flipY = false;
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+
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+ const texture2 = new THREE.TextureLoader().load( 'textures/2294472375_24a3b8ef46_o.jpg' );
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+ texture2.colorSpace = THREE.SRGBColorSpace;
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+ texture2.flipY = false;
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+
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+ // renderer
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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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+ document.body.appendChild( renderer.domElement );
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+
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+ window.addEventListener( 'resize', onWindowResize );
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+
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+ // post processing
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+
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+ const base = pass( baseScene, camera );
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+ const sceneMask1 = pass( maskScene1, camera ).a;
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+ const sceneMask2 = pass( maskScene2, camera ).a;
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+
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+ let compose = base;
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+ compose = sceneMask1.mix( compose, texture( texture1 ) );
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+ compose = sceneMask2.mix( compose, texture( texture2 ) );
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+
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+ postProcessing = new THREE.PostProcessing( renderer );
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+ postProcessing.outputNode = compose;
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+
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+ }
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+
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+ function onWindowResize() {
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+
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+ const width = window.innerWidth;
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+ const height = window.innerHeight;
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+
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+ camera.aspect = width / height;
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+ camera.updateProjectionMatrix();
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+
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+ renderer.setSize( width, height );
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+
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+ }
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+
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+ function animate() {
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+
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+ const time = performance.now() * 0.001 + 6000;
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+
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+ box.position.x = Math.cos( time / 1.5 ) * 2;
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+ box.position.y = Math.sin( time ) * 2;
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+ box.rotation.x = time;
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+ box.rotation.y = time / 2;
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+
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+ torus.position.x = Math.cos( time ) * 2;
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+ torus.position.y = Math.sin( time / 1.5 ) * 2;
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+ torus.rotation.x = time;
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+ torus.rotation.y = time / 2;
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+
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+ postProcessing.render();
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+
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+ }
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+
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+ </script>
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+ </body>
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+</html>
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sunag
