蛇形动态背景特效-html代码-BFW代码库

蛇形动态背景特效

代码语言：html

所属分类：背景

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">
<title>Growth II</title>
<style>
      html, body {
  overflow: hidden;
  background-color: black;
}

    </style>

</head>
<body>

<script>
      const { PI, cos, sin, abs, sqrt, pow, floor, round, random } = Math;
const HALF_PI = 0.5 * PI;
const TAU = 2 * PI;
const TO_RAD = PI / 180;
const rand = n => n * random();
const randRange = n => n - rand(2 * n);
const fadeIn = (t, m) => t / m;
const fadeOut = (t, m) => (m - t) / m;
const fadeInOut = (t, m) => {
  let hm = 0.5 * m;
  return abs((t + hm) % m - hm) / hm;
};

let canvas;
let ctx;
let particles;
let hover;
let mouse;
let tick;

function setup() {
  canvas = {
    a: document.createElement('canvas'),
    b: document.createElement('canvas') };

  ctx = {
    a: canvas.a.getContext('2d'),
    b: canvas.b.getContext('2d') };

  canvas.b.style = `
                position: absolute;
                top: 0;
                left: 0;
                width: 100%;
                height: 100%;
        `;
  document.body.appendChild(canvas.b);
  particles = [];
  hover = false;
  mouse = { x: 0, y: 0 };
  tick = 0;
  resize();
  draw();
}

function resi.........完整代码请登录后点击上方下载按钮下载查看