canvas模拟月球表面石坑渐变效果-html代码-BFW代码库

canvas模拟月球表面石坑渐变效果

代码语言：html

所属分类：背景

代码描述：canvas模拟月球表面石坑渐变效果

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">


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


<script>
"use strict";

/**** parameters you should try to modify */

const minRadius = 7;
const maxRadius = 100;
const margin = 3; // minimum distance between 2 circles

/**** modifications beyond this line at your own risk */

let canv, ctx;
let maxx, maxy; // canvas sizes (in pixels)

let circles;
let letConcentric;

let events = [];
let mouse = {};

// 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;

//-----------------------------------------------------------------------------
// miscellaneous functions
//-----------------------------------------------------------------------------

function alea(min, m.........完整代码请登录后点击上方下载按钮下载查看