three打字啊一个蠕动的圆环三维效果代码-html代码-BFW代码库

代码语言：html

所属分类：三维

代码描述：three打字啊一个蠕动的圆环三维效果代码

下面为部分代码预览，完整代码请点击下载或在bfwstudio webide中打开

<html lang="en"><head>

  <meta charset="UTF-8">
  

  
  
  
<style>
@import url("https://fonts.googleapis.com/css?family=Raleway:400,400i,700");
body, html {
  margin: 0;
  height: 100vh;
}

canvas {
  width: 100%;
  height: 100%;
}

h1 {
  position: absolute;
  bottom: 1em;
  left: 0;
  right: 0;
  text-align: center;
  z-index: 1;
  font-size: 20px;
  font-family: Raleway, sans-serif;
  font-weight: normal;
}

a {
  color: dodgerblue;
}
</style>




</head>

<body>


  
      <script  type="module">
import * as THREE from "https://unpkg.com/three@0.125.1/build/three.module.js";
import { OrbitControls } from "https://unpkg.com/three@0.125.1/examples/jsm/controls/OrbitControls.js";
import { OutlineEffect } from "https://unpkg.com/three@0.125.1/examples/jsm/effects/OutlineEffect.js";
import { makeNoise4D } from "https://cdn.skypack.dev/open-simplex-noise";
const noise4D = makeNoise4D(Date.now());

class Scene {
  constructor(sketch, settings) {
    this.sketch = sketch;
    this.settings = { ...settings };

    this.scene = new THREE.Scene();
    this.scene.background = new THREE.Color(0xffffff);
    // this.scene.fog = new THREE.FogExp2(0x222277, 0.2);
    return this.scene;
  }}

class Renderer {
  constructor(sketch, settings) {
    this.sketch = sketch;
    this.settings = { ...settings };
    this.renderer = new THREE.WebGLRenderer({ antialias: true });
    this.renderer.setSize(this.sketch.sizes.width, this.sketch.sizes.height);
    this.renderer.setPixelRatio(Math.min(2, window.devicePixelRatio));
    this.renderer.shadowMap.enabled = true;
    this.renderer.outputEncoding = THREE.sRGBEncoding;

    this.renderer.update = this.update.bind(this.sketch);

    return this.renderer;
  }
  update() {
    this.effect.render(this.scene, this.camera);
  }}

class Camera {
  constructor(sketch, settings) {
    this.sketch = sketch;
    this.settings = { ...settings };

    this.camera = new THREE.PerspectiveCamera(
    75,
    this.sketch.sizes.width / this.sketch.sizes.height,
    0.01,
    500);

    this.camera.position.x = -0;
    this.camera.position.y = 0;
    this.camera.position.z = 3;
    this.sketch.scene.add(this.camera);

    return this.camera;
  }}

class Animator {
  constructor(sketch, settings) {
    this.sketch = sketch;
    this.settings = { ...settings };

    this.tasks = [];
  }
  /**
   *
   * @param {function} fn
   */
  add(fn) {
    this.tasks.push(fn);
  }
  animate() {
    requestAnimationFrame(this.animate.bind(this));

    this.tasks.forEach(task => {
      try {
        task();
      } catch (err) {
        console.warn(err);
      }
    });

    this.sketch.renderer.update();
  }}

class Controls {
  constructor(sketch, settings) {
    this.sketch = sketch;
    this.settings = { ...settings };

    this.controls = new OrbitControls(
    this.sketch.camera,
    this.sketch.renderer.domElement);


    return this.controls;
  }}

class Events {
  constructor(sketch, settings) {
    this.sketch = sketch;
    this.settings = { ...settings };

    this.addEvents();
  }
  addEvents() {
    window.addEventListener("resize", this.onWindowResize.bind(this), false);
  }
  onWindowResize() {
    this.sketch.sizes = {
      width: window.innerWidth,
      height: window.innerHeight };


    this.sketch.camera.aspect =
    this.sketch.sizes.width / this.sketch.sizes.height;
    this.sketch.camera.updateProjectionMatrix();
    this.sketch.renderer.setSize(
    this.sketch.sizes.width,
    this.sketch.sizes.height);

    this.sketch.renderer.setPixelRatio(Math.min(2, window.devicePixelRatio));
  }}

class Lights {
  constructor(sketch, settings) {
    this.sketch = sketch;
    this.settings = { ...settings };

    this.ambient();
    this.directional(3, 5, 3);
    this.directional(3, 5, -3);
  }
  ambient() {
    let ambLight = new THREE.AmbientLight(0xffffff, 0.2, 100);
    this.sketch.scene.add(ambLight);
  }
  directional(x, y, z) {
    let dirLight = new THREE.DirectionalLight(0xffffff, 0.6, 100);
    dirLight.posit.........完整代码请登录后点击上方下载按钮下载查看