粒子动画加载进度条效果-html代码-BFW代码库

代码语言：html

所属分类：进度条

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">

  <title>Light Loader</title>

  <style>
html, body, div, span, applet, object, iframe,
h1, h2, h3, h4, h5, h6, p, blockquote, pre,
a, abbr, acronym, address, big, cite, code,
del, dfn, em, img, ins, kbd, q, s, samp,
small, strike, strong, sub, sup, tt, var,
b, u, i, center,
dl, dt, dd, ol, ul, li,
fieldset, form, label, legend,
table, caption, tbody, tfoot, thead, tr, th, td,
article, aside, canvas, details, embed,
figure, figcaption, footer, header, hgroup,
menu, nav, output, ruby, section, summary,
time, mark, audio, video {
  margin: 0;
  padding: 0;
  border: 0;
  font-size: 100%;
  font: inherit;
  vertical-align: baseline;
}
/* HTML5 display-role reset for older browsers */
article, aside, details, figcaption, figure,
footer, header, hgroup, menu, nav, section {
  display: block;
}
body {
  line-height: 1;
}
ol, ul {
  list-style: none;
}
blockquote, q {
  quotes: none;
}
blockquote:before, blockquote:after,
q:before, q:after {
  content: '';
  content: none;
}
table {
  border-collapse: collapse;
  border-spacing: 0;
}
</style>

    <style>
body {
	background: #111;
}

canvas {
	background: #111;
	border: 1px solid #171717;
	display: block;
	margin:50px auto;
}
</style>

  <script src="http://repo.bfw.wiki/bfwrepo/js/prefixfree.min.js"></script>
  
</head>

<body>
    <script>
      /*========================================================*/  
/* Light Loader
/*========================================================*/
var lightLoader = function(c, cw, ch){
	
	var _this = this;
	this.c = c;
	this.ctx = c.getContext('2d');
	this.cw = cw;
	this.ch = ch;			
	
	this.loaded = 0;
	this.loaderSpeed = .6;
	this.loaderHeight = 10;
	this.loaderWidth = 310;				
	this.loader = {
		x: (this.cw/2) - (this.loaderWidth/2),
		y: (this.ch/2) - (this.loaderHeight/2)
	};
	this.particles = [];
	this.particleLift = 180;
	this.hueStart = 0
	this.hueEnd = 120;
	this.hue = 0;
	this.gravity = .15;
	this.particleRate = 4;	
					
	/*========================================================*/	
	/* Initialize
	/*========================================================*/
	this.init = function(){
		this.loop();
	};
	
	/*========================================================*/	
	/* Utility Functions
	/*========================================================*/				
	this.rand = function(rMi, rMa){return ~~((Math.random()*(rMa-rMi+1))+rMi);};
	this.hitTest = function(x1, y1, w1, h1, x2, y2, w2, h2){return !(x1 + w1 < x2 || x2 + w2 < x1 || y1 + h1 < y2 || y2 + h2 < y1);};
	
	/*========================================================*/	
	/* Update Loader
	/*========================================================*/
	this.updateLoader = function(){
		if(this.loaded < 100){
			this.loaded += this.loaderSpeed;
		} else {
			this.loaded = 0;
		}
	};
	
	/*========================================================*/	
	/* Render Loader
	/*========================================================*/
	this.renderLoader = function(){
		this.ctx.fillStyle = '#000';
		this.ctx.fillRect(this.loader.x, this.loader.y, this.loaderWidth, this.loaderHeight);
		
		this.hue = this.hueStart + (this.loaded/100)*(this.hueEnd - this.hueStart);
		
		var newWidth = (this.loaded/100)*this.loaderWidth;
		this.ctx.fillStyle = 'hsla('+this.hue+', 100%, 40%, 1)';
		this.ctx.fillRect(this.loader.x, this.loader.y, newWidth, this.loaderHeight);
		
		this.ctx.fillStyle = '#222';
		this.ctx.fillRect(this.loader.x, this.loader.y, newWidth, this.loaderHeight/2);
	};	
	
	/*========================================================*/	
	/* Particles
	/*========================================================*/
	this.Particle = function(){					
		this.x = _this.loader.x + ((_this.loaded/100)*_.........完整代码请登录后点击上方下载按钮下载查看