div+css实现折叠的方块彩色纸片循环动画效果代码-html代码-BFW代码库

div+css实现折叠的方块彩色纸片循环动画效果代码

代码语言：html

所属分类：动画

代码描述：div+css实现折叠的方块彩色纸片循环动画效果代码

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>
*, *::before, *::after {
    padding: 0;
    margin: 0 auto;
    box-sizing: border-box;
}

body {
  background-color: #000;
  color: #fff;
  min-height: 100vh;
  display: grid;
  place-items: center;
  perspective: 800px;
  overflow: hidden;
  
  *:not(:empty) {
    transform-style: preserve-3d;
  }
}

.scene {
  position: relative;
  transform: rotateX(60deg) rotateZ(20deg);
  
  --duration: 3s;
}

.floor {
  position: absolute;
  inset: -20em -40em;
  background-color: #333;
  background-image:
    radial-gradient(#0000, #000 70%),
    repeating-linear-gradient(0deg, #fff1 0 1em, #fff2 0 4em),
    repeating-linear-gradient(90deg, #fff1 0 1em, #fff2 0 4em);
  -webkit-animation: floor var(--duration) infinite linear;
          animation: floor var(--duration) infinite linear;
}

@-webkit-keyframes floor {
  from { background-position-x: 0, 0, -0.5em; }
  to { background-position-x: 0, 0, -20.5em; }
}

@keyframes floor {
  from { background-position-x: 0, 0, -0.5em; }
  to { background-position-x: 0, 0, -20.5em; }
}

.shadow {
  position: absolute;

  i {
    position: absolute;
    inset: calc(-0.2em - 1em * var(--i));
    -webkit-animation-name: shadowTranslate, shadowOpacity;
            animation-name: shadowTranslate, shadowOpacity;
    -webkit-animation-duration: var(--duration);
            animation-duration: var(--duration);
    -webkit-animation-delay: calc(var(--i) * var(--duration) * 0.05 - var(--duration) * 1.5);
            animation-delay: calc(var(--i) * var(--duration) * 0.05 - var(--duration) * 1.5);
    -webkit-animation-iteration-count: infinite;
            animation-iteration-count: infinite;
    -webkit-animation-timing-function: linear;
            animation-timing-function: linear;
    box-shadow:
      0 0 0.8em 0.8em #000,
      0 0 0.8em 0.8em #000 inset;
  }
}

@-webkit-keyframes shadowTranslate {
  from { translate: calc(-1em * var(--i) + 10em); }
  to { translate: calc(-1em * var(--i) - 10em); }
}

@keyframes shadowTranslate {
  from { translate: calc(-1em * var(--i) + 10em); }
  to { translate: calc(-1em * var(--i) - 10em); }
}

@-webkit-keyframes shadowOpacity {
  0%, 25%, 75%, 100% { opacity: 0; }
  50% { opacity: 1; }
}

@keyframes shadowOpacity {
  0%, 25%, 75%, 100% { opacity: 0; }
  50% { opacity: 1; }
}

.squares {
  position: absolute;
  
  .........完整代码请登录后点击上方下载按钮下载查看