原生js实现炫酷星光动画效果
代码语言:html
所属分类:粒子
代码描述:原生js实现炫酷星光动画效果
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>
* {
margin: 0;
padding: 0;
overflow: hidden;
}
canvas#canvas {
display: block;
background: #000;
}
</style>
</head>
<body translate="no">
<canvas id="canvas">Canvas not supported.</canvas>
<script>
/*
* File Name / starlightEffect.js
* Created Date / Aug 18, 2020
* Aurhor / Toshiya Marukubo
* Twitter / https://twitter.com/toshiyamarukubo
*/
(function () {
'use strict';
window.addEventListener('load', function () {
var canvas = document.getElementById('canvas');
if (!canvas || !canvas.getContext) {
return false;
}
/********************
Random Number
********************/
function rand(min, max) {
return Math.floor(Math.random() * (max - min + 1) + min);
}
/********************
Var
********************/
var ctx = canvas.getContext('2d');
var X = canvas.width = window.innerWidth;
var Y = canvas.height = window.innerHeight;
var mouseX = null;
var mouseY = null;
var pointX = X / 2;
var pointY = 0;
// spark
var rad = Math.PI * 2 / 8;
var sparks = [];
var sparkNum = 500;
var radius = 1;
var time = 0;
var color = 'hsl(' + Math.sin(time * Math.PI / 180) * 360 + ',.........完整代码请登录后点击上方下载按钮下载查看
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