粒子文字特效动画-html代码-BFW代码库

粒子文字特效动画

代码语言：html

所属分类：粒子

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>
  html, body {
  height: 100%;
  background: black;
}
</style>

</head>
<body translate="no">

<script type="text/javascript" src="http://repo.bfw.wiki/bfwrepo/js/dat.gui-min.js"></script>
<script>
      "use strict";

const {
  abs,
  acos,
  asin,
  atan,
  atan2,
  ceil,
  cos,
  floor,
  max,
  min,
  PI,
  pow,
  random,
  round,
  sin,
  sqrt,
  tan } =
Math;
const HALF_PI = 0.5 * PI;
const QUART_PI = 0.25 * PI;
const TAU = 2 * PI;
const TO_RAD = PI / 180;
const G = 6.67 * pow(10, -11);
const EPSILON = 2.220446049250313e-16;
const rand = n => n * random();
const randIn = (_min, _max) => rand(_max - _min) + _min;
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;
};
const dist = (x1, y1, x2, y2) => sqrt(pow(x2 - x1, 2) + pow(y2 - y1, 2));
const angle = (x1, .........完整代码请登录后点击上方下载按钮下载查看