102 lines
2.9 KiB
HTML
102 lines
2.9 KiB
HTML
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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 webgl - modifier - Subdivisions using Loop Subdivision Scheme</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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<script type="module">
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import * as THREE from '../build/three.module.js';
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import { OrbitControls } from './jsm/controls/OrbitControls.js';
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import { GLTFLoader } from './jsm/loaders/GLTFLoader.js';
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import { SimplifyModifier } from './jsm/modifiers/SimplifyModifier.js';
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let renderer, scene, camera;
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init();
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function init() {
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const info = document.createElement( 'div' );
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info.style.position = 'absolute';
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info.style.top = '10px';
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info.style.width = '100%';
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info.style.textAlign = 'center';
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info.innerHTML = '<a href="https://threejs.org" target="_blank" rel="noopener">three.js</a> - Vertex Reduction using SimplifyModifier';
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document.body.appendChild( info );
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renderer = new THREE.WebGLRenderer( { antialias: true } );
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renderer.setPixelRatio( window.devicePixelRatio );
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renderer.setSize( window.innerWidth, window.innerHeight );
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document.body.appendChild( renderer.domElement );
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scene = new THREE.Scene();
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camera = new THREE.PerspectiveCamera( 40, window.innerWidth / window.innerHeight, 1, 1000 );
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camera.position.z = 15;
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const controls = new OrbitControls( camera, renderer.domElement );
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controls.addEventListener( 'change', render ); // use if there is no animation loop
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controls.enablePan = false;
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controls.enableZoom = false;
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scene.add( new THREE.AmbientLight( 0xffffff, 0.2 ) );
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const light = new THREE.PointLight( 0xffffff, 0.7 );
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camera.add( light );
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scene.add( camera );
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new GLTFLoader().load( "models/gltf/LeePerrySmith/LeePerrySmith.glb", function ( gltf ) {
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const mesh = gltf.scene.children[ 0 ];
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mesh.position.x = - 3;
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mesh.rotation.y = Math.PI / 2;
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scene.add( mesh );
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const modifier = new SimplifyModifier();
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const simplified = mesh.clone();
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simplified.material = simplified.material.clone();
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simplified.material.flatShading = true;
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const count = Math.floor( simplified.geometry.attributes.position.count * 0.875 ); // number of vertices to remove
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simplified.geometry = modifier.modify( simplified.geometry, count );
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simplified.position.x = 3;
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simplified.rotation.y = - Math.PI / 2;
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scene.add( simplified );
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render();
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} );
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window.addEventListener( 'resize', onWindowResize );
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}
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function onWindowResize() {
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renderer.setSize( window.innerWidth, window.innerHeight );
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camera.aspect = window.innerWidth / window.innerHeight;
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camera.updateProjectionMatrix();
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render();
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}
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function render() {
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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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