three打造一个三维圆圈loading加载动画效果代码-html代码-BFW代码库

three打造一个三维圆圈loading加载动画效果代码

代码语言：html

代码描述：three打造一个三维圆圈loading加载动画效果代码

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


<!DOCTYPE html>
<html lang="en" >

<head>

  <meta charset="UTF-8">
  

  
<style>
body {
  background: #275EFE;
}

canvas {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
}

body {
  min-height: 100vh;
  overflow: hidden;
}
body .gsap-3-logo {
  width: 88px;
  position: fixed;
  bottom: 12px;
  right: 152px;
}
body .dribbble {
  position: fixed;
  display: block;
  right: 20px;
  bottom: 20px;
}
body .dribbble img {
  display: block;
  width: 76px;
}
body .twitter {
  position: fixed;
  display: block;
  right: 112px;
  bottom: 14px;
}
body .twitter svg {
  width: 24px;
  height: 24px;
  fill: white;
}
</style>




</head>

<body  >
  <canvas></canvas>


<script type="text/javascript" src="//repo.bfw.wiki/bfwrepo/js/three.109.js"></script>
<script type="text/javascript" src="//repo.bfw.wiki/bfwrepo/js/gsap.3.5.2.js"></script>
      <script >
const $ = (s, o = document) => o.querySelector(s);

let width = 440,
height = 440,
canvas = $('canvas'),
renderer = new THREE.WebGLRenderer({
  canvas: canvas,
  context: canvas.getContext('webgl2'),
  antialias: true,
  alpha: true }),

shape = (inner = 13, outer = 20, height = 6, segments = 60) => {

  let arc = new THREE.Shape(),
  hole = new THREE.Path();

  arc.moveTo(outer, 0);
  arc.absarc(0, 0, outer, 0, Math.PI * 2, false);

  hole.moveTo(inner, 0);
  hole.absarc(0, 0, inner, 0, Math.PI * 2, true);
  arc.holes.push(hole);

  let geometry = new THREE.ExtrudeGeometry(arc, {
    depth: height,
    bevelEnabled: false,
    curveSegments: segments }),

  material = new THREE.MeshLambertMaterial({
    color: 0xD3D4EC }),

  object = new THREE.Mesh(geometry, material),
  proxy = new Proxy({
    z: null,
    s: null },
  {
    set(target, key, value) {
      target[key] = value;
      if (target.z !== null) {
        object.position.z = target.z;
      }
      if (target.s !== null) {
        object.scale.x = target.s;
        object.scale.y = target.s;
      }
      return true;
    },
    get(target, key).........完整代码请登录后点击上方下载按钮下载查看