超炫的 HTML5 粒子效果进度条动画特效

 首页 > 网页特效 > 其他特效 > 超炫的 HTML5 粒子效果进度条动画特效

超炫的 HTML5 粒子效果进度条动画特效

 2019-01-09  418  收藏  0 赞一个  0 真差劲  0 去评论

<!DOCTYPE html>
<html class=''>
<head>
	<meta charset='UTF-8'>
	<meta name="robots" content="noindex">
	<link rel="stylesheet" href="http://www.yyyweb.com/demo/common/init.css">
	<style>
		body {
			background: #111;
		}
		canvas {
			background: #111;
			border: 1px solid #171717;
			display: block;
			left: 50%;
			margin: -51px 0 0 -201px;
			position: absolute;
			top: 50%;
		}
	</style>
</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)*_this.loaderWidth) - _this.rand(0, 1);
		this.y = _this.ch/2 + _this.rand(0,_this.loaderHeight)-_this.loaderHeight/2;
		this.vx = (_this.rand(0,4)-2)/100;
		this.vy = (_this.rand(0,_this.particleLift)-_this.particleLift*2)/100;
		this.width = _this.rand(1,4)/2;
		this.height = _this.rand(1,4)/2;
		this.hue = _this.hue;
	};
	
	this.Particle.prototype.update = function(i){
		this.vx += (_this.rand(0,6)-3)/100; 
		this.vy += _this.gravity;
		this.x += this.vx;
		this.y += this.vy;
		
		if(this.y > _this.ch){
			_this.particles.splice(i, 1);
		}					
	};
	
	this.Particle.prototype.render = function(){
		_this.ctx.fillStyle = 'hsla('+this.hue+', 100%, '+_this.rand(50,70)+'%, '+_this.rand(20,100)/100+')';
		_this.ctx.fillRect(this.x, this.y, this.width, this.height);
	};
	
	this.createParticles = function(){
		var i = this.particleRate;
		while(i--){
			this.particles.push(new this.Particle());
		};
	};
					
	this.updateParticles = function(){					
		var i = this.particles.length;						
		while(i--){
			var p = this.particles[i];
			p.update(i);											
		};						
	};
	
	this.renderParticles = function(){
		var i = this.particles.length;						
		while(i--){
			var p = this.particles[i];
			p.render();											
		};					
	};
	

	/*========================================================*/	
	/* Clear Canvas
	/*========================================================*/
	this.clearCanvas = function(){
		this.ctx.globalCompositeOperation = 'source-over';
		this.ctx.clearRect(0,0,this.cw,this.ch);					
		this.ctx.globalCompositeOperation = 'lighter';
	};
	
	/*========================================================*/	
	/* Animation Loop
	/*========================================================*/
	this.loop = function(){
		var loopIt = function(){
			requestAnimationFrame(loopIt, _this.c);
			_this.clearCanvas();
			
			_this.createParticles();
			
			_this.updateLoader();
			_this.updateParticles();
			
			_this.renderLoader();
			_this.renderParticles();
			
		};
		loopIt();					
	};

};

/*========================================================*/	
/* Check Canvas Support
/*========================================================*/
var isCanvasSupported = function(){
	var elem = document.createElement('canvas');
	return !!(elem.getContext && elem.getContext('2d'));
};

/*========================================================*/	
/* Setup requestAnimationFrame
/*========================================================*/
var setupRAF = function(){
	var lastTime = 0;
	var vendors = ['ms', 'moz', 'webkit', 'o'];
	for(var x = 0; x < vendors.length && !window.requestAnimationFrame; ++x){
		window.requestAnimationFrame = window[vendors[x]+'RequestAnimationFrame'];
		window.cancelAnimationFrame = window[vendors[x]+'CancelAnimationFrame'] || window[vendors[x]+'CancelRequestAnimationFrame'];
	};
	
	if(!window.requestAnimationFrame){
		window.requestAnimationFrame = function(callback, element){
			var currTime = new Date().getTime();
			var timeToCall = Math.max(0, 16 - (currTime - lastTime));
			var id = window.setTimeout(function() { callback(currTime + timeToCall); }, timeToCall);
			lastTime = currTime + timeToCall;
			return id;
		};
	};
	
	if (!window.cancelAnimationFrame){
		window.cancelAnimationFrame = function(id){
			clearTimeout(id);
		};
	};
};			

/*========================================================*/	
/* Define Canvas and Initialize
/*========================================================*/
if(isCanvasSupported){
  var c = document.createElement('canvas');
  c.width = 400;
  c.height = 100;			
  var cw = c.width;
  var ch = c.height;	
  document.body.appendChild(c);	
  var cl = new lightLoader(c, cw, ch);				
  
  setupRAF();
  cl.init();
}
</script>
<div style="position:absolute; bottom: 0;width:100%">
	<div class="footer-banner" style="width:728px;margin:30px auto"></div>
</div>
<script src="http://www.yyyweb.com/demo/common/jquery.min.js"></script>
<script src="http://www.yyyweb.com/demo/common/init.js"></script>
</body>
</html>

运行代码 全选代码 复制代码 清除代码 恢复代码

预览图片

超炫的 HTML5 粒子效果进度条:我喜欢粒子效果作品，特别是那些能够应用于实际的，例如这个由 Jack Rugile 基于 HTML5 Cavnas 编写的进度条效果。看着这么炫的 Loading 效果，即使让我多等一会也无妨

一、推荐使用迅雷或快车等多线程下载软件下载本站资源。

二、未登录会员无法下载，登录后可获得更多便利功能，若未注册，请先注册。

三、如果服务器暂不能下载请稍后重试！总是不能下载，请点我报错 ,谢谢合作！

四、本站大部分资源是网上搜集或私下交流学习之用，任何涉及商业盈利目的均不得使用，否则产生的一切后果将由您自己承担！本站将不对任何资源负法律责任.如果您发现本站有部分资源侵害了您的权益，请速与我们联系，我们将尽快处理.

五、如有其他问题，请加网站设计交流群(点击这里查看交流群 )进行交流。

六、如需转载本站资源，请注明转载来自并附带链接

七、本站部分资源为加密压缩文件，统一解压密码为：www.aizhanzhe.com

 大家评论

 站长推荐

 点击排行