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172 lines
4.5 KiB
HTML
172 lines
4.5 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 - skinning instancing</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 - skinning instancing
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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 { pass, mix, range, color, oscSine, time } from 'three/tsl';
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import { gaussianBlur } from 'three/addons/tsl/display/GaussianBlurNode.js';
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import { GLTFLoader } from 'three/addons/loaders/GLTFLoader.js';
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let camera, scene, renderer;
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let postProcessing;
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let mixer, clock;
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init();
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function init() {
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camera = new THREE.PerspectiveCamera( 50, window.innerWidth / window.innerHeight, 0.01, 40 );
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camera.position.set( 1, 2, 3 );
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scene = new THREE.Scene();
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camera.lookAt( 0, 1, 0 );
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clock = new THREE.Clock();
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// lights
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const centerLight = new THREE.PointLight( 0xff9900, 1, 100 );
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centerLight.position.y = 4.5;
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centerLight.position.z = - 2;
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centerLight.power = 400;
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scene.add( centerLight );
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const cameraLight = new THREE.PointLight( 0x0099ff, 1, 100 );
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cameraLight.power = 400;
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camera.add( cameraLight );
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scene.add( camera );
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const geometry = new THREE.PlaneGeometry( 1000, 1000 );
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geometry.rotateX( - Math.PI / 2 );
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const plane = new THREE.Mesh( geometry, new THREE.MeshBasicMaterial( { color: 0x000000, visible: true } ) );
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scene.add( plane );
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const loader = new GLTFLoader();
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loader.load( 'models/gltf/Michelle.glb', function ( gltf ) {
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const object = gltf.scene;
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mixer = new THREE.AnimationMixer( object );
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const action = mixer.clipAction( gltf.animations[ 0 ] );
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action.play();
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const instanceCount = 30;
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const dummy = new THREE.Object3D();
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object.traverse( ( child ) => {
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if ( child.isMesh ) {
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const oscNode = oscSine( time.mul( .1 ) );
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// random colors between instances from 0x000000 to 0xFFFFFF
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const randomColors = range( new THREE.Color( 0x000000 ), new THREE.Color( 0xFFFFFF ) );
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// random [ 0, 1 ] values between instances
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const randomMetalness = range( 0, 1 );
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child.material = new THREE.MeshStandardNodeMaterial();
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child.material.roughness = .1;
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child.material.metalnessNode = mix( 0.0, randomMetalness, oscNode );
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child.material.colorNode = mix( color( 0xFFFFFF ), randomColors, oscNode );
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child.isInstancedMesh = true;
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child.instanceMatrix = new THREE.InstancedBufferAttribute( new Float32Array( instanceCount * 16 ), 16 );
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child.count = instanceCount;
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for ( let i = 0; i < instanceCount; i ++ ) {
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dummy.position.x = - 200 + ( ( i % 5 ) * 70 );
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dummy.position.y = Math.floor( i / 5 ) * - 200;
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dummy.updateMatrix();
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dummy.matrix.toArray( child.instanceMatrix.array, i * 16 );
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}
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}
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} );
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scene.add( object );
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} );
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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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// post processing
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const scenePass = pass( scene, camera );
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const scenePassColor = scenePass.getTextureNode();
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const scenePassDepth = scenePass.getLinearDepthNode().remapClamp( .15, .3 );
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const scenePassColorBlurred = gaussianBlur( scenePassColor );
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scenePassColorBlurred.directionNode = scenePassDepth;
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postProcessing = new THREE.PostProcessing( renderer );
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postProcessing.outputNode = scenePassColorBlurred;
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// events
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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 delta = clock.getDelta();
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if ( mixer ) mixer.update( delta );
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postProcessing.render();
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}
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</script>
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</body>
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</html>
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