浮雕中的六角弧背景动画效果-html代码-BFW代码库

浮雕中的六角弧背景动画效果

代码语言：html

所属分类：背景

代码描述：浮雕中的六角弧背景动画效果

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>
body {
  font-family: Arial, Helvetica, "Liberation Sans", FreeSans, sans-serif;
  background-color: #000;
  color: #fff;
  margin: 0;
  padding: 0;
  border-width:0;
  cursor: pointer;
}
</style>

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

<script>
"use strict";
window.onload = function () {

  const rayHexMin = 80;
  const rayHexMax = 160;
  const amplNoise = 30;
  const minPerX = 1;
  const maxPerX = 5;
  const minPerY = 1;
  const maxPerY = 5;

  let canv, ctx; // canvas and context
  let maxx, maxy;

  let grid;
  let nbx, nby;
  let rayHex;

  let tbSides;

  /* for animation */
  let events = [];

  // shortcuts for Math.…

  const mrandom = Math.random;
  const mfloor = Math.floor;
  const mround = Math.round;
  const mceil = Math.ceil;
  const mabs = Math.abs;
  const mmin = Math.min;
  const mmax = Math.max;

  const mPI = Math.PI;
  const mPIS2 = Math.PI / 2;
  const m2PI = Math.PI * 2;
  const msin = Math.sin;
  const mcos = Math.cos;
  const matan2 = Math.atan2;

  const mhypot = Math.hypot;
  const msqrt = Math.sqrt;

  const rac3 = msqrt(3);
  const rac3s2 = rac3 / 2;
  const mPIS3 = Math.PI / 3;

  //-----------------------------------------------------------------
  function alea(min, max) {
    // random number [min..max[ . If no max is provided, [0..min[

    if (typeof max == 'undefined') return min * mrandom();
    return min + (max - min) * mrandom();
  }

  // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

  function intAlea(min, max) {
    // random integer number [min..max[ . If no max is provided, [0..min[

    if (typeof max == 'undefined') {
      max = min;min = 0;
    }
    return mfloor(min + (max - min) * mrandom());
  } // intAlea

  // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

  function Noise1DOneShot(period, min = 0, max = 1, random) {
    /* returns a 1D single-shot noise generator.
                                                                the (optional) random function must return a value between 0 and 1
                                                               the returned function has no parameter, and will return a new number every tiime it is called.
                                                               If the random function provides reproductible values (and is not used elsewhere), this
                                                               one will return reproductible values too.
                                                               period should be > 1. The bigger period is, the smoother output noise is
                                                             */
    random = random || Math.random;
    let currx = random(); // start with random offset
    let y0 = min + (max - min) * random(); // 'previous' value
    let y1 = min + (max - min) * random(); // 'next' value
    let dx = 1 / period;

    return function () {
      currx += dx;
      if (currx > 1) {
        currx -= 1;
        y0 = y1;
        y1 = min + (max - min) * random();
      }
      let z = (3 - 2 * currx) * currx * currx;
      return z * y1 + (1 - z) * y0;
    };
  } // Noise1DOneShot


  //------------------------------------------------------------------------
  // class Hexagon
  let Hexagon;
  {// scope for Hexagon

    let orgx, orgy;

    Hexagon = function (kx, ky) {

      this.kx = kx;
      this.ky = ky;
      this.neighbours = [];

      this.orient = intAlea(6);

    }; // function Hexagon

    // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
    /* static method */

    Hexagon.dimensions = function () {.........完整代码请登录后点击上方下载按钮下载查看