神奇的曼德布罗特粒子效果-html代码-BFW代码库

神奇的曼德布罗特粒子效果

代码语言：html

所属分类：粒子

代码描述：神奇的曼德布罗特粒子效果，拖动鼠标试试

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 style='margin:0;overflow:hidden'>
<canvas id="c"></canvas>

<script >
// Magic Mandelbrot Particles - An Interactive Fractal Particle Simulation
// - Mouse controls where points are spawned
// - Click anywhere to clear trails
// - Press any key to clear points

// Created by Frank Force
// License Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License.

randomness = .005; // how much randomness for each point
alpha = .05; // background alpha, controls trails
life = 500; // how long to keep particles alive
maxCount = 2e3; // maximum number of particles
scale = .9; // size of mandelbrot set
offset = .2; // offset of mandelbrot set
spawnCount = 5; // how many particles to spawn each frame
updateCount = 1; // how many updates each frame
juliaMode = 0; // juia set mode
testMode = 0; // fully random mode for testing
warmUp = 1; // some random points on start so it's not blank

t = 0;
a = [];
A = B = 2e3;
x = c.getContext`2d`;
x.fillRect(0, 0, c.width, c.height);

requestAnimationFrame(u = _ => {

  if (warmUp == 1)
  {
    warmUp = 2;
    for (k = 100; k--;) u();
    warmUp = 0;
  }

  if (!warmUp)
  requestAnimationFrame(u);

  if (c.width != innerWidth || c.height != innerHeight)
  {
    // match canvas to inner size
    c.width = innerWidth;
    c.height = innerHeight;
    x.fillRect(0, 0, c.width, c.height);
  }

  // background fill for trails
  x.globalCompositeOperation = 'source-over';
  x.fillStyle = `hsl(0,.........完整代码请登录后点击上方下载按钮下载查看