情人节爱心聚散动画效果代码-html代码-BFW代码库

情人节爱心聚散动画效果代码

代码语言：html

所属分类：动画

代码描述：情人节爱心聚散动画效果代码

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>
    /**
* get random number.
* @param {number} min - min number.
* @param {number} max - max number.
*/
*{margin:0;padding:0;list-style-type:none;}
body {
  font-family: sans-serif;
  background: #000;
  font-size: 67.5%;
  color: #ff1493;
}
canvas {
  z-index: 0;
  display: block;
  position: fixed;
  top: 0;
  left: 0;
  height: 100%;
  width: 100%;
}
h1 {
  z-index: 2;
  position: fixed;
  font-size: 2.4rem;
  top: 5%;
  left: 5%;
  line-height: 3.2rem;
}
h2 {
  position: fixed;
  bottom: 5%;
  right: 5%;
  text-align: right;
  font-size: 1rem;
  opacity: 0;
}
span {
  position: absolute;
  opacity: 0;
}
.delay:nth-of-type(1) {
  -webkit-animation: span-animation-1 1s linear 2s 1 normal forwards;
          animation: span-animation-1 1s linear 2s 1 normal forwards;
}
.delay:nth-of-type(2) {
  -webkit-animation: span-animation-2 1s linear 2.4s 1 normal forwards;
          animation: span-animation-2 1s linear 2.4s 1 normal forwards;
}
.delay:nth-of-type(3) {
  -webkit-animation: span-animation-3 1s linear 2.8s 1 normal forwards;
          animation: span-animation-3 1s linear 2.8s 1 normal forwards;
}
.delay:nth-of-type(4) {
  -webkit-animation: span-animation-4 1s linear 3.2s 1 normal forwards;
          animation: span-animation-4 1s linear 3.2s 1 normal forwards;
}
@-webkit-keyframes span-animation-1 {
  0% {
    transform: translateY(20px);
    opacity: 0;
  }
  100% {
    transform: translateY(0);
    opacity: 1;
  }
}
@keyframes span-animation-1 {
  0% {
    transform: translateY(20px);
    opacity: 0;
  }
  100% {
    transform: translateY(0);
    opacity: 1;
  }
}
@-webkit-keyframes span-animation-2 {
  0% {
    transform: translateY(20px);
    opacity: 0;
  }
  100% {
    transform: translateY(0);
    opacity: 1;
  }
}
@keyframes span-animation-2 {
  0% {
    transform: translateY(20px);
    opacity: 0;
  }
  100% {
    transform: translateY(0);
    opacity: 1;
  }
}
@-webkit-keyframes span-animation-3 {
  0% {
    transform: translateY(20px);
    opacity: 0;
  }
  100% {
    transform: translateY(0);
    opacity: 1;
  }
}
@keyframes span-animation-3 {
  0% {
    transform: translateY(20px);
    opacity: 0;
  }
  100% {
    transform: translateY(0);
    opacity: 1;
  }
}
@-webkit-keyframes span-animation-4 {
  0% {
    transform: translateY(20px);
    opacity: 0;
  }
  100% {
    transform: translateY(0);
    opacity: 1;
  }
}
@keyframes span-animation-4 {
  0% {
    transform: translateY(20px);
    opacity: 0;
  }
  100% {
    transform: translateY(0);
    opacity: 1;
  }
}
@media (min-width: 500px) {
  h1 {
    font-size: 4rem;
    line-height: 4.8rem;
  }
}
</style>
</head>
<body>

<canvas id="c"></canvas>
<h1><span>Happy</span><br/><span>Valentine's</span><br/><span>Day</span></h1>
<h2>Give me a chocolate :)</h2>

<script >
    
    (() => {
  'use strict';
  window.addEventListener('DOMContentLoaded', () => {
    const CANVAS = document.getElementById('c'),
          C = CANVAS.getContext('2d'),
          spans = document.getElementsByTagName('span'),
          h2 = document.getElementsByTagName('h2')[0];
    
    /**
     * operate dom. add class.
     */
    for (let i = 0; i < .........完整代码请登录后点击上方下载按钮下载查看