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165 lines
4.2 KiB
165 lines
4.2 KiB
2 years 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 async src="https://unpkg.com/es-module-shims@1.3.6/dist/es-module-shims.js"></script>
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<script type="importmap">
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{
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"imports": {
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"three": "../build/three.module.js",
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"three/addons/": "./jsm/",
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"three/nodes": "./jsm/nodes/Nodes.js"
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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 * as Nodes from 'three/nodes';
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import { mix, range, color, oscSine, timerLocal } from 'three/nodes';
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import { FBXLoader } from 'three/addons/loaders/FBXLoader.js';
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import WebGPU from 'three/addons/capabilities/WebGPU.js';
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import WebGPURenderer from 'three/addons/renderers/webgpu/WebGPURenderer.js';
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let camera, scene, renderer;
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let mixer, clock;
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init();
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function init() {
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if ( WebGPU.isAvailable() === false ) {
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document.body.appendChild( WebGPU.getErrorMessage() );
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throw new Error( 'No WebGPU support' );
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}
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camera = new THREE.PerspectiveCamera( 50, window.innerWidth / window.innerHeight, 0.01, 100 );
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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 = 1700;
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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 = 1700;
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camera.add( cameraLight );
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scene.add( camera );
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const loader = new FBXLoader();
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loader.load( 'models/fbx/Samba Dancing.fbx', ( object ) => {
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object.scale.setScalar( .01 );
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mixer = new THREE.AnimationMixer( object );
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const action = mixer.clipAction( object.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( timerLocal( .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 Nodes.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.z = 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 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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renderer.outputEncoding = THREE.sRGBEncoding;
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renderer.toneMappingNode = new Nodes.ToneMappingNode( THREE.LinearToneMapping, .17 );
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document.body.appendChild( renderer.domElement );
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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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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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