three实现动态柔和圈圈背景效果代码-html代码-BFW代码库

three实现动态柔和圈圈背景效果代码

代码语言：html

所属分类：背景

代码描述：three实现动态柔和圈圈背景效果代码

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>
    @import url("https://fonts.googleapis.com/css?family=Open+Sans:400,400i,700");
html, body {
  display: flex;
  height: 100%;
  width: 100%;
  margin: 0px;
  padding: 0px;
  overflow: hidden;
  background: #833ab4;
  /* fallback for old browsers */
  background: -webkit-linear-gradient(to right, #fcb045, #fd1d1d, #833ab4);
  /* Chrome 10-25, Safari 5.1-6 */
  background: linear-gradient(to right, #fcb045, #fd1d1d, #833ab4);
  /* W3C, IE 10+/ Edge, Firefox 16+, Chrome 26+, Opera 12+, Safari 7+ */
}

canvas {
  position: absolute;
  top: 0px;
  left: 0px;
  z-index: 0;
}

#welcome {
  position: relative;
  z-index: 1;
  margin: auto 0;
  margin-left: 15vw;
}
#welcome h1 {
  color: #FFF;
  font-weight: bold;
  font-family: 'Open Sans', sans-serif;
  font-size: 6vw;
}
#welcome p {
  color: #FFF;
  font-weight: normal;
  font-family: 'Open Sans', sans-serif;
  font-size: 11pt;
  width: 100%;
  max-width: 37vw;
  padding: 2.5vw;
  line-height: 1.5;
  padding-bottom: 0px;
}

</style>


</head>

<body>

    <div id="welcome">
        <h1>Header</h1>
    </div>
<script type="text/javascript" src="//repo.bfw.wiki/bfwrepo/js/three.123.js"></script>



    <script>
        console.clear();

let Noise3D = `
//
// Description : Array and textureless GLSL 2D/3D/4D simplex 
//               noise functions.
//      Author : Ian McEwan, Ashima Arts.
//  Maintainer : stegu
//     Lastmod : 20110822 (ijm)
//     License : Copyright (C) 2011 Ashima Arts. All rights reserved.
//               Distributed under the MIT License. See LICENSE file.
//               https://github.com/ashima/webgl-noise
//               https://github.com/stegu/webgl-noise
// 

vec3 mod289(vec3 x) {
  return x - floor(x * (1.0 / 289.0)) * 289.0;
}

vec4 mod289(vec4 x) {
  return x - floor(x * (1.0 / 289.0)) * 289.0;
}

vec4 permute(vec4 x) {
     return mod289(((x*34.0)+1.0)*x);
}

vec4 taylorInvSqrt(vec4 r)
{
  return 1.79284291400159 - 0.85373472095314 * r;
}

float snoise(vec3 v)
  { 
  const vec2  C = vec2(1.0/6.........完整代码请登录后点击上方下载按钮下载查看