js实现焦点图像随机排列效果代码-html代码-BFW代码库

js实现焦点图像随机排列效果代码

代码语言：html

代码描述：js实现焦点图像随机排列效果代码

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 {
  height: 100vh;
  width: 100vw;
  display: grid;
  place-items: center;
  background-color: #fafafa;
  width: 100vw;
  overflow: hidden;
}

#stage {
  text-align: center;
  max-height: 100vh;
  height: 90vh;
  width: 100vw;
  font-size: 3vw;
  display: flex;
  max-width: 70vw;
  margin: 0 auto;
  max-height: 100vh;
  flex-direction: row;
  place-items: middle;
  align-items: center;
}

.img {
  border-radius: 50%;
  min-height: 2em;
  min-width: 2em;
  background-size: cover;
  background-position: 50% 50%;
  mix-blend-mode: multiply;
  animation: spotappear 1.5s cubic-bezier(0.9, 0.3, 0.2, 1) forwards;
}
.img:nth-child(2) {
  animation-delay: -0.5s;
}
.img:nth-child(3) {
  animation-delay: -0.75s;
}
.img:nth-child(4) {
  animation-delay: -0.25s;
}

@keyframes spotappear {
  0% {
    transform: scale(1.5);
    opacity: 0;
  }
}
.img:before {
  content: "";
  float: left;
  padding-top: 100%;
  /* initial ratio of 1:1*/
}

.hide {
  position: absolute;
  z-index: -2;
  display: none;
}
</style>






</head>

<body>
  <div id="stage">
  </div>
 
<noscript>this entire demo is javascript</noscript>

  
      <script >
var stage = document.querySelector("#stage");
// adding the blank duotone svg filter

var total = Math.floor(Math.random() * 3) + 2;
var lightColors = ["#ffe179", "#ffceeb", "#8dd7ff", "#8ee69c"];
var darkColors = [
  "#552200",
  "#5d0000",
  "#003e4b",
  "#103164",
  "#ffb423",
  "#ff2e00",
  "#00bf63",
  "#4c94ff"
];

function drawImages() {
  function hexToRgb(hex) {
    // Expand shorthand form (e.g. "03F") to full form (e.g. "0033FF")
    var shorthandRegex = /^#?([a-f\d])([a-f\d])([a-f\d])$/i;
    hex = hex.replace(shorthandRegex, function (m, r, g, b) {
      return r + r + g + g + b + b;
    });

    var result = /^#?([a-f\d]{2})([a-f\d]{2})([a-f\d]{2})$/i.exec(hex);
    return result
      ? {
          r: parseInt(result[1], 16),
          g: parseInt(result[2], 16),
          b: parseInt(result[3], 16)
        }
      : null;
  }

  for (i = 0; i < total; i++) {
    let randomLight =
      lightColors[Math.floor(Math.random() * lightColors.length)];
    let randomDark = darkColors[Math.floor(Math.random() * darkColors.length)];

    let rRed =
  .........完整代码请登录后点击上方下载按钮下载查看