three实现三维彩色粒子喷射动画效果代码-html代码-BFW代码库

three实现三维彩色粒子喷射动画效果代码

代码语言：html

所属分类：粒子

代码描述：three实现三维彩色粒子喷射动画效果代码

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: #000;
  -ms-scroll-chaining: none;
      overscroll-behavior: none;
}
#loading {
  background: #000;
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: 9999;
  display: flex;
  justify-content: center;
  align-items: center;
  visibility: visible;
  opacity: 1;
  transition: visibility 1.6s, opacity 1.6s;
}
#loading .circle {
  width: 50px;
  height: 50px;
  background: #fff;
  border-radius: 50%;
  opacity: 0;
  transform: scale(0, 0);
  -webkit-animation: circle-animation 1.6s ease-in-out 0s infinite normal none;
          animation: circle-animation 1.6s ease-in-out 0s infinite normal none;
}
#loading.loaded {
  visibility: hidden;
  opacity: 0;
}
#container {
  width: 100vw;
  height: 100vh;
}
#container canvas {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 0;
  outline: none;
}
/** css animation */
@-webkit-keyframes circle-animation {
  0% {
    opacity: 0;
    transform: scale(0, 0);
  }
  50% {
    opacity: 1;
    transform: scale(1, 1);
  }
}
@keyframes circle-animation {
  0% {
    opacity: 0;
    transform: scale(0, 0);
  }
  50% {
    opacity: 1;
    transform: scale(1, 1);
  }
}
</style>



</head>

<body  >
  <div id="loading">
  <div class="circle"></div>
</div>
<div id="container"></div>
<script type="text/javascript" src="//repo.bfw.wiki/bfwrepo/js/three.126.js"></script>
<script type="text/javascript" src="//repo.bfw.wiki/bfwrepo/js/OrbitControls.126.js"></script>
<script type="text/javascript" src="//repo.bfw.wiki/bfwrepo/js/Stats-16.js"></script>
      <script>



//const simplex = new SimplexNoise();

/**
 * Referenced | https://al-ro.github.io/
 * Thank you so much :)
 */
/*
const computeCurl = (x, y, z) => {
  const eps = 0.0001;
  const curl = new THREE.Vector3();
  
  //Find rate of change in YZ plane
  let n1 = simplex.noise3D(x, y + eps, z); 
  let n2 = simplex.noise3D(x, y - eps, z); 
  //Average to find approximate derivative
  let a = (n1 - n2)/(2 * eps);
  n1 = simplex.noise3D(x, y, z + eps); 
  n2 = simplex.noise3D(x, y, z - eps); 
  //Average to find approximate derivative
  let b = (n1 - n2)/(2 * eps);
  curl.x = a - b;

  //Find rate of change in XZ plane
  n1 = simplex.noise3D(x, y, z + eps); 
  n2 = simplex.noise3D(x, y, z - eps); 
  a = (n1 - n2)/(2 * eps);
  n1 = simplex.noise3D(x + eps, y, z); 
  n2 = simplex.noise3D(x + eps, y, z); 
  b = (n1 - n2)/(2 * eps);
  curl.y = a - b;

  //Find rate of change in XY plane
  n1 = simplex.noise3D(x + eps, y, z); 
  n2 = simplex.noise3D(x - eps, y, z); 
  a = (n1 - n2)/(2 * eps);
  n1 = simplex.noise3D(x, y + eps, z); 
  n2 = simplex.noise3D(x, y - eps, z); 
  b = (n1 - n2)/(2 * eps);
  curl.z = a - b;

  return curl;
}
*/

/** vertex shader source */
const vert.........完整代码请登录后点击上方下载按钮下载查看