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152 lines
3.4 KiB
HTML
152 lines
3.4 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 webgl - morph targets - sphere</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="container"></div>
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<div id="info">
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<a href="https://threejs.org" target="_blank" rel="noopener">three.js</a> - WebGL morph target example
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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.module.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 { OrbitControls } from 'three/addons/controls/OrbitControls.js';
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import { GLTFLoader } from 'three/addons/loaders/GLTFLoader.js';
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import { Timer } from 'three/addons/misc/Timer.js';
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let camera, scene, renderer, timer;
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let mesh;
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let sign = 1;
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const speed = 0.5;
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init();
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function init() {
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const container = document.getElementById( 'container' );
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camera = new THREE.PerspectiveCamera( 45, window.innerWidth / window.innerHeight, 0.2, 100 );
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camera.position.set( 0, 5, 5 );
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scene = new THREE.Scene();
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timer = new Timer();
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timer.connect( document );
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const light1 = new THREE.PointLight( 0xff2200, 50000 );
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light1.position.set( 100, 100, 100 );
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scene.add( light1 );
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const light2 = new THREE.PointLight( 0x22ff00, 10000 );
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light2.position.set( - 100, - 100, - 100 );
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scene.add( light2 );
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scene.add( new THREE.AmbientLight( 0x111111 ) );
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const loader = new GLTFLoader();
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loader.load( 'models/gltf/AnimatedMorphSphere/glTF/AnimatedMorphSphere.gltf', function ( gltf ) {
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mesh = gltf.scene.getObjectByName( 'AnimatedMorphSphere' );
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mesh.rotation.z = Math.PI / 2;
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scene.add( mesh );
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//
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const pointsMaterial = new THREE.PointsMaterial( {
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size: 10,
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sizeAttenuation: false,
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map: new THREE.TextureLoader().load( 'textures/sprites/disc.png' ),
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alphaTest: 0.5
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} );
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const points = new THREE.Points( mesh.geometry, pointsMaterial );
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points.morphTargetInfluences = mesh.morphTargetInfluences;
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points.morphTargetDictionary = mesh.morphTargetDictionary;
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mesh.add( points );
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} );
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//
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renderer = new THREE.WebGLRenderer();
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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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container.appendChild( renderer.domElement );
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//
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const controls = new OrbitControls( camera, renderer.domElement );
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controls.minDistance = 1;
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controls.maxDistance = 20;
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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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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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timer.update();
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render();
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}
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function render() {
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const delta = timer.getDelta();
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if ( mesh !== undefined ) {
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const step = delta * speed;
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mesh.rotation.y += step;
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mesh.morphTargetInfluences[ 1 ] = mesh.morphTargetInfluences[ 1 ] + step * sign;
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if ( mesh.morphTargetInfluences[ 1 ] <= 0 || mesh.morphTargetInfluences[ 1 ] >= 1 ) {
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sign *= - 1;
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}
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}
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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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