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176 lines
5.0 KiB
HTML
176 lines
5.0 KiB
HTML
2 months ago
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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 - refraction</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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<div id="info">
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<a href="https://threejs.org" target="_blank" rel="noopener">three.js</a> webgpu - refraction
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</div>
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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/webgpu": "../build/three.webgpu.js",
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"three/tsl": "../build/three.tsl.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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<script type="module">
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import * as THREE from 'three';
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import { viewportSafeUV, viewportSharedTexture, screenUV, texture, uv } from 'three/tsl';
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import { OrbitControls } from 'three/addons/controls/OrbitControls.js';
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let camera, scene, renderer;
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let cameraControls;
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let smallSphere;
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init();
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function init() {
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// scene
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scene = new THREE.Scene();
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// camera
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camera = new THREE.PerspectiveCamera( 45, window.innerWidth / window.innerHeight, 1, 500 );
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camera.position.set( 0, 50, 160 );
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//
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const geometry = new THREE.IcosahedronGeometry( 5, 0 );
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const material = new THREE.MeshPhongMaterial( { color: 0xffffff, emissive: 0x7b7b7b, flatShading: true } );
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smallSphere = new THREE.Mesh( geometry, material );
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scene.add( smallSphere );
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// textures
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const loader = new THREE.TextureLoader();
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const floorNormal = loader.load( 'textures/floors/FloorsCheckerboard_S_Normal.jpg' );
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floorNormal.wrapS = THREE.RepeatWrapping;
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floorNormal.wrapT = THREE.RepeatWrapping;
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// refractor
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const verticalNormalScale = 0.1;
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const verticalUVOffset = texture( floorNormal, uv().mul( 5 ) ).xy.mul( 2 ).sub( 1 ).mul( verticalNormalScale );
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const refractorUV = screenUV.add( verticalUVOffset );
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const verticalRefractor = viewportSharedTexture( viewportSafeUV( refractorUV ) );
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const planeGeo = new THREE.PlaneGeometry( 100.1, 100.1 );
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const planeRefractor = new THREE.Mesh( planeGeo, new THREE.MeshBasicNodeMaterial( {
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backdropNode: verticalRefractor
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} ) );
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planeRefractor.material.transparent = true;
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planeRefractor.position.y = 50;
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scene.add( planeRefractor );
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// walls
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const planeTop = new THREE.Mesh( planeGeo, new THREE.MeshPhongMaterial( { color: 0xffffff } ) );
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planeTop.position.y = 100;
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planeTop.rotateX( Math.PI / 2 );
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scene.add( planeTop );
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const planeBottom = new THREE.Mesh( planeGeo, new THREE.MeshPhongMaterial( { color: 0xffffff } ) );
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planeBottom.rotateX( - Math.PI / 2 );
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scene.add( planeBottom );
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const planeBack = new THREE.Mesh( planeGeo, new THREE.MeshPhongMaterial( { color: 0x7f7fff } ) );
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planeBack.position.z = - 50;
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planeBack.position.y = 50;
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scene.add( planeBack );
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const planeRight = new THREE.Mesh( planeGeo, new THREE.MeshPhongMaterial( { color: 0x00ff00 } ) );
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planeRight.position.x = 50;
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planeRight.position.y = 50;
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planeRight.rotateY( - Math.PI / 2 );
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scene.add( planeRight );
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const planeLeft = new THREE.Mesh( planeGeo, new THREE.MeshPhongMaterial( { color: 0xff0000 } ) );
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planeLeft.position.x = - 50;
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planeLeft.position.y = 50;
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planeLeft.rotateY( Math.PI / 2 );
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scene.add( planeLeft );
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// lights
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const mainLight = new THREE.PointLight( 0xe7e7e7, 2.5, 250, 0 );
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mainLight.position.y = 60;
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scene.add( mainLight );
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const greenLight = new THREE.PointLight( 0x00ff00, 0.5, 1000, 0 );
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greenLight.position.set( 550, 50, 0 );
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scene.add( greenLight );
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const redLight = new THREE.PointLight( 0xff0000, 0.5, 1000, 0 );
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redLight.position.set( - 550, 50, 0 );
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scene.add( redLight );
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const blueLight = new THREE.PointLight( 0xbbbbfe, 0.5, 1000, 0 );
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blueLight.position.set( 0, 50, 550 );
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scene.add( blueLight );
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// renderer
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renderer = new THREE.WebGPURenderer( /*{ antialias: true }*/ );
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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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// controls
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cameraControls = new OrbitControls( camera, renderer.domElement );
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cameraControls.target.set( 0, 50, 0 );
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cameraControls.maxDistance = 400;
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cameraControls.minDistance = 10;
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cameraControls.update();
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window.addEventListener( 'resize', onWindowResize );
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}
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function onWindowResize() {
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camera.aspect = window.innerWidth / window.innerHeight;
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camera.updateProjectionMatrix();
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renderer.setSize( window.innerWidth, window.innerHeight );
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}
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function animate() {
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const timer = Date.now() * 0.01;
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smallSphere.position.set(
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Math.cos( timer * 0.1 ) * 30,
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Math.abs( Math.cos( timer * 0.2 ) ) * 20 + 5,
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Math.sin( timer * 0.1 ) * 30
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);
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smallSphere.rotation.y = ( Math.PI / 2 ) - timer * 0.1;
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smallSphere.rotation.z = timer * 0.8;
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renderer.render( scene, camera );
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}
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</script>
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</body>
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</html>
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