粒子线条变换移动效果-html代码-BFW代码库

粒子线条变换移动效果

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>
<head>
<meta charset="utf-8">

<script type="text/javascript" src="http://repo.bfw.wiki/bfwrepo/js/jquery-3.2.1.min.js"></script>
<style>
html, body { background: #000; margin: 0; padding:0;}
canvas { width: 100%; height: 100%; position: absolute; }
</style>
</head>
<body>
<canvas></canvas>
<script>
$(function(){
  var canvas = document.querySelector('canvas'),
      ctx = canvas.getContext('2d')
  canvas.width = window.innerWidth;
  canvas.height = window.innerHeight;
  ctx.lineWidth = .3;
  ctx.strokeStyle = (new Color(150)).style;

  var mousePosition = {
    x: 30 * canvas.width / 100,
    y: 30 * canvas.height / 100
  };

  var dots = {
    nb: 150,
    distance: 50,
    d_radius: 100,
    array: []
  };

  function colorValue(min) {
    return Math.floor(Math.random() * 255 + min);
  }
  
  function createColorStyle(r,g,b) {
    return 'rgba(' + r + ',' + g + ',' + b + ', 0.8)';
  }
  
  function mixComponents(comp1, weight1, comp2, weight2) {
    return (comp1 * weight1 + comp2 * weight2) / (weight1 + weight2);
  }
  
  function averageColorStyles(dot1, dot2) {
    var color1 = dot1.color,
        color2 = dot2.color;
    
    var r = mixComponents(color1.r, dot1.radius, color2.r, dot2.radius),
        g = mixComponents(color1.g, dot1.radius, color2.g, dot2.radius),
        b = mixComponents(color1.b, dot1.radius, color2.b, dot2.radius);
    return createColorStyle(Math.floor(r), Math.floor(g), Math.floor(b));
  }
  
  function Color(min) {
    min = min || 0;
    this.r = colorValue(min);
    this.g = colorValue(min);
    this.b = colorValue(min);
    this.style = createColorStyle(this.r, this.g, this.b);
  }

  function Dot(){
    this.x = Math.random() * canvas.width;
    this.y = Math.random() * canvas.height;

    this.vx = -.5 + Math.random();
    this.vy = -.5 + Math.random();

    this.radius = Math.random() * 2;

    this.color = new Color();
    console.log(this);
  }

  Dot.prototype = {
    draw: function(){
      ctx.beginPath();
      ctx.f.........完整代码请登录后点击上方下载按钮下载查看