css+js实现dna序列动画效果代码-html代码-BFW代码库

css+js实现dna序列动画效果代码

代码语言：html

所属分类：动画

代码描述：css+js实现dna序列动画效果代码

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>
@import "normalize.css";

*,
*:after,
*:before {
	box-sizing: border-box;
}

body {
	display: grid;
	place-items: center;
	min-height: 100vh;
	font-family:  'Google Sans', sans-serif, system-ui;
	transform-style: preserve-3d;
	perspective: 100vmin;
	background: hsl(210 80% 12%);
}

.dna {
	height: 65vmin;
	aspect-ratio: 2/5;
	display: grid;
	transform-style: preserve-3d;
	transform: rotateX(0deg);
	rotate: 30deg;
	gap: 0.5vmin;
	-webkit-animation: rotate 14s infinite linear;
	        animation: rotate 14s infinite linear;
}

@-webkit-keyframes spin {
	to {
		transform: rotateY(360deg);
	}
}

@keyframes spin {
	to {
		transform: rotateY(360deg);
	}
}

.strand {
	--speed: 2;
	--delay: calc(sin((var(--index) / var(--total)) * 45deg) * var(--speed) * -1s);
	width: 100%;
	transform-style: preserve-3d;
	display: flex;
	justify-content: space-between;
}

@-webkit-keyframes rotate {
	to {
		transform: rotate(360deg);
	}
}

@keyframes rotate {
	to {
		transform: rotate(360deg);
	}
}

.strand__node {
	background: var(--bg, white);
	height: 100%;
	aspect-ratio: 1;
	border-radius: 50%;
	-webkit-animation: jump calc(var(--speed) * 1s) var(--delay, 0) infinite ease-in-out;
	        animation: jump calc(var(--speed) * 1s) var(--delay, 0) infinite ease-in-out;
	border: 0.5vmin solid black;
}

.strand:before {
	content: "";
	position: absolute;
	top: 50%;
	left: 50%;
	width: 94%;
	height: 30%;
	background: white;
	transform: translate3d(-50%, -50%, -2px);
	transform-origin: center;
	-webkit-animation: scale calc(var(--speed) * 1s) var(--delay, 0) infinite linear;
	        animation: scale calc(var(--speed) * 1s) var(--delay, 0) infinite linear;
	border: 0.5vmin solid black;
}

@-webkit-keyframes scale {
	25%, 75% {
		transform: translate3d(-50%, -50%, -2px) scaleX(0);
	}
	0%, 50%, 100% {
		transform: translate3d(-50%, -50%, -2px) scaleX(1);	
	}
}

@keyframes scale {
	25%, 75% {
		transform: translate3d(-50%, -50%, -2px) scaleX(0);
	}
	0%, 50%, 100% {
		transform: translate3d(-50%, -50%, -2px) scaleX(1);	
	}
}

.strand__node:first-of-type {
	--destination: calc((65vmin * (2 / 5)) - 100%);
/* 	background: hsl(120 80% 50%); */
}
.strand__node:last-of-type {
	--destination: calc((-65vmin * (2 / 5)) + 100%);
	animation-direction: reverse;
/* 	background: hsl(210 80% 50%); */
}

.strand__node:after {
	content: "";
	height: 15%;
	aspect-ratio: 1;
	background: var(--bg, white);
	position: absolute;
	border-radius: 50%;
	top: 50%;
	left: 50%;
	transform: translate(-50%, -50%) rotate(0deg) translateY(450%);
	-webkit-animation: orbit calc(var(--speed) * 0.35s) var(--delay, 0) infinite linear;
	        animation: orbit calc(var(--speed) * 0.35s) var(--delay, 0) infinite linear;
}

@-webkit-keyframes orbit {
	100% {
		transform: translate(-50%, -50%) rotate(360deg) translateY(450%);
	}
}

@keyframes orbit {
	100% {
		transform: translate(-50%, -50%) rotate(360deg) translateY(450%);
	}
}

@-webkit-keyframes jump {
	25% {
		translate: 0 0 1px;
	}
	50% {
		transform: translateX(var(--destination));
	}
	75% {
		translate: 0 0 -1px;
	}
}

@keyframes jump {
	25% {
		translate: 0 0 1px;
	}
	50% {
		transform: translateX(var(--destination));
	}
	75% {
		translate: 0 0 -1px;
	}
}
</style>




</head>

<body>
  <div class="dna" style="--total: 13;">
  <div class="strand" style="--index: 1;">
    <div c.........完整代码请登录后点击上方下载按钮下载查看