react+gsap实现grid网格loading加载动画效果代码-html代码-BFW代码库

react+gsap实现grid网格loading加载动画效果代码

代码语言：html

代码描述：react+gsap实现grid网格loading加载动画效果代码

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-color: #FFF;
  
}

body,
html {
  height: 100%;
  width: 100%;
  margin: 0;
  padding: 0;
}
svg{
	width: 100%;
	height: 100%;
	overflow: hidden;

}
 #root, #root div{
  display: flex;
  align-items: center;
  justify-content: center;   	 
  width: 100%;
  height: 100%;
}
</style>


  
  
</head>

<body>
  <div id="root"></div>
  <script type="text/javascript" src="//repo.bfw.wiki/bfwrepo/js/babel.7.18.13.js"></script>
<script type="text/javascript" src="//repo.bfw.wiki/bfwrepo/js/react.production.18.2.0.js"></script>
<script type="text/javascript" src="//repo.bfw.wiki/bfwrepo/js/react-dom.production.18.2.0.js"></script>
<script type="text/javascript" src="//repo.bfw.wiki/bfwrepo/js/gsap.3.10.1.js"></script>
      <script  type="text/babel" >
const { useRef, useEffect, useState, } = React;
const GridLoader = ( props ) => {
	
  const blendEases = (startEase, endEase, blender) => {
	var parse = function(ease) {
					return typeof(ease) === "function" ? ease : gsap.parseEase("power4.inOut");
			},
			s = gsap.parseEase(startEase),
			e = gsap.parseEase(endEase),
			blender = parse(blender);
	return function(v) {
		var b = blender(v);
		return s(v) * (1 - b) + e(v) * b;
	};
}	
	let colorArray =["ff595e","ffca3a","8ac926","279af1","6a4c93"];
	colorArray = colorArray.map(x => Array.from(x)[0] == '#' ? x : `#${x}`);
	const gridTl = gsap.timeline({repeat: -1, defaults: {ease: blendEases('expo.in', 'back(0.93)')}}).timeScale(2);

  const getColor = (value) => {
    return colorArray[value % colorArray.length]
  }
	let mainSVG = useRef();
	let row0 = useRef();
	let row1 = useRef();
	let row2 = useRef();
	let row3 = useRef();
	let whole = useRef();
  const stagger = 0.16;
	useEffect(() => {
		
		let allCircles = gsap.utils.toArray('circle');
		allCircles.forEach((i, c) => {
			gsap.set(i, {
				fill: getColor(c)
			})
		})
		//Executed on start and only once
		gridTl.add('step0')
		.to(row0.current.children, {
			duration: 1.6,
      transformOrigin: '50% 50%',
			x:'-=40',
			stagger: {
				each: stagger,
				from: 'end'
			},
			fill: (i, c) => {				
				return getColor(i+1)
			},
			scale: (i, c) => {
				return i > 7 ? 0 : 1
			},
			}, 'step0')
		.to(row1.current.children, {
			duration: 1.4,
      transformOrigin: '50% 50%',
			x:'-=80',
			stagger: {
				each: stagger,
				from: 'end'
			},
		fill: (i, c) => {
				return getColor(i+1)
			},
			scale: (i, c) => {
				return i > 6 ? 0 : 1
			},
			
		}, 'step0')
		.to(row2.current.children, {
			duration: 1.2,
      transformOrigin: '50% 50%',
			x:'-=120',
			stagger: {
				each: stagger,
				from: 'end'
			},
		fill: (i, c) .........完整代码请登录后点击上方下载按钮下载查看