【HTML】制作一个跟随鼠标的流畅线条引导页界面（可直接复制源码）

作者：菜鸟追梦旅行 | 2024-05-18 19:28:08

踩

前言

前言

无需多言，本文将详细介绍一段HTML代码，图中线条可跟随鼠标移动，具体内容如下：

开始

首先新建一个HTML的文本，文本名改为[index.html]，创建好后右键用文本文档打开，再把下面相对应代码填入后保存即可。（文本名主要是改后缀）

HTML部分

下面代码是一个完整的HTML页面，包含了HTML、CSS和JavaScript。首先先对代码各个方面进行分析：

HTML部分

<!DOCTYPE html>声明了文档类型和HTML版本，这里是XHTML 1.0 Transitional，它允许使用一些不严格的标签。
<html>标签定义了整个页面的内容，xmlns属性指定了命名空间，通常用于XML文档。
<head>部分包含了文档的元数据，如<meta>标签定义了字符集为UTF-8，<title>定义了页面标题。
<body>标签内包含了页面的所有内容，如文本、图片、视频等。

CSS部分

使用了内联<style>标签定义了页面的样式。
有一个重置样式* { margin: 0; padding: 0; ... }，这用于统一不同浏览器的默认样式。
定义了一些动画和过渡效果，如h1, h2的字母逐渐显示效果。
页面背景、文字样式、链接样式等都通过CSS进行了定义。

JavaScript部分

定义了一个Stats函数，用于显示页面的帧率(FPS)和毫秒数(MS)。
定义了Oscillator和Tendril类，这些类用于生成页面上的动态效果。
使用了requestAnimFrame来创建平滑的动画循环。
通过mousemove、touchstart等事件监听器来响应用户的交互。
有一个letters函数，用于将标题中的每个字母分开，并添加动画效果。
有一个save函数，可能用于保存页面的当前状态为图片。

其他注意事项

<canvas>元素被用于绘制动态图形。

页面中有一些用于调试的代码，如settings.debug = true;，这可能在开发过程中有用，但在生产环境中应该被移除或设置为false。


<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>丝滑</title>
 
 
<style type="text/css"> 
 
* {
	margin: 0; 
	padding: 0;
	-webkit-box-sizing: border-box;
	-moz-box-sizing: border-box;
	-ms-box-sizing: border-box;
	-o-box-sizing: border-box;
	box-sizing: border-box;
}
html, body {
	margin: 0;
	padding: 0;
	font: 16px/1.4 'Lato', sans-serif;
	color: #fefeff;
	-webkit-font-smoothing: antialiased;
	font-smoothing: antialiased;
}
body {
	background: rgb(8,5,16);
	overflow:hidden;
	-webkit-touch-callout: none;
	-webkit-user-select: none;
	-khtml-user-select: none;
	-moz-user-select: none;
	-ms-user-select: none;
	user-select: none;
}
 
h1 {
	font: 2.75em 'Cinzel', serif;
	font-weight: 400;
	letter-spacing: 0.35em;
	text-shadow: 0 0 25px rgba(254,254,255,0.85);
}
h2 {
	font: 1.45em 'Cinzel', serif;
	font-weight: 400;
	letter-spacing: 0.5em;
	text-shadow: 0 0 25px rgba(254,254,255,0.85);
	text-transform: lowercase;
}
 
[class^="letter"] {
	-webkit-transition: opacity 3s ease;
	-moz-transition: opacity 3s ease;
	transition: opacity 3s ease;
}
.letter-0  { transition-delay: 0.2s; }
.letter-1  { transition-delay: 0.4s; }
.letter-2  { transition-delay: 0.6s; }
.letter-3  { transition-delay: 0.8s; }
.letter-4  { transition-delay: 1.0s; }
.letter-5  { transition-delay: 1.2s; }
.letter-6  { transition-delay: 1.4s; }
.letter-7  { transition-delay: 1.6s; }
.letter-8  { transition-delay: 1.8s; }
.letter-9  { transition-delay: 2.0s; }
.letter-10 { transition-delay: 2.2s; }
.letter-11 { transition-delay: 2.4s; }
.letter-12 { transition-delay: 2.6s; }
.letter-13 { transition-delay: 2.8s; }
.letter-14 { transition-delay: 3.0s; }
 
h1, h2 {
	visibility: hidden;
	-webkit-transform: translate3d(0, 0, 0);
	-moz-transform: translate3d(0, 0, 0);
	transform: translate3d(0, 0, 0);
}	
h1.transition-in,
h2.transition-in {
	visibility: visible;
}
h1 [class^="letter"], 
h2 [class^="letter"] {
	opacity: 0;
}
h1.transition-in [class^="letter"],
h2.transition-in [class^="letter"] {
	opacity: 1;
}
 
#container {
display: table;
position: absolute;
z-index: 20;
width: 100%;
height: 100%;
text-align: center;
cursor: none;
left: 15px;
}
#container > div {
	display: table-cell;
	vertical-align: middle;
}
#container p {
	position: absolute;
	width: 100%;
	left: 0;
	bottom: 25px;
	font-size: 0.8em;
	letter-spacing: 0.1em;
	font-weight: 300;
	color: #76747a;
	-webkit-font-smoothing: subpixel-antialiased;
	font-smoothing: subpixel-antialiased; 
}
#container p strong {
color: #b3abc5;
font-size: 5em;
}
#container p span {
	font-size: 0.75em;
	padding: 0 2px;
}
 
#canvas {
	position: absolute;
	z-index: 10;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	cursor: none;
}
 
#stats { 
	position: absolute; 
	z-index: 10; 
	left: 10px; 
	top: 10px; 
}
 
.dg.ac {
	z-index: 100 !important;
}
 
#container div p strong a {
color: #999;
font-size: 0.5em;
}
body,td,th {
font-family: Lato, sans-serif;
}
a:link {
text-decoration: none;
}
a:visited {
text-decoration: none;
}
a:hover {
text-decoration: none;
}
a:active {
text-decoration: none;
}
</style>
</head>
<body ondragstart="window.event.returnValue=false" oncontextmenu="window.event.returnValue=false" onselectstart="event.returnValue=false">
 
<div id="container">
 
	<div>
		<h1 id="h1">HTML讨论群，计算机考证讨论群，请加QQ群</h1>
		<h2 id="h2">757183195，428886795</h2>
		<h3 id="h2">雷神 Leo</h3>
		<p>&nbsp;</p>
		<p><strong><a href="https://gxguizhiyuan.com/volunteer-pc/#/home/team/info/824313033?isAdd=1">简介</a></strong></p>
		<p>&nbsp;</p>
	  <p>&nbsp;</p>
		<p>&nbsp;</p>
		<p>&nbsp;</p>
		<p>&nbsp;</p>
	</div>
 
</div>
 
<canvas id="canvas"></canvas>
 
<audio autoplay="autoplay">
	<source src="http://www.ntzyw.cn" type="audio/ogg">
	<source src="http://p2014.yaotou.com:8081/2014%2F2014-4%2F2014-4-20%2F2014420203237.m4a" type="audio/mpeg">
</audio>
 
 
<script>
var Stats=function(){var e=Date.now(),t=e,i=0,n=1/0,r=0,s=0,o=1/0,a=0,l=0,h=0,c=document.createElement("div");c.id="stats",c.addEventListener("mousedown",function(e){e.preventDefault(),v(++h%2)},!1),c.style.cssText="width:80px;opacity:0.9;cursor:pointer";var u=document.createElement("div");u.id="fps",u.style.cssText="padding:0 0 3px 3px;text-align:left;background-color:#002",c.appendChild(u);var d=document.createElement("div");d.id="fpsText",d.style.cssText="color:#0ff;font-family:Helvetica,Arial,sans-serif;font-size:9px;font-weight:bold;line-height:15px",d.innerHTML="FPS",u.appendChild(d);var p=document.createElement("div");for(p.id="fpsGraph",p.style.cssText="position:relative;width:74px;height:30px;background-color:#0ff",u.appendChild(p);74>p.children.length;){var f=document.createElement("span");f.style.cssText="width:1px;height:30px;float:left;background-color:#113",p.appendChild(f)}var m=document.createElement("div");m.id="ms",m.style.cssText="padding:0 0 3px 3px;text-align:left;background-color:#020;display:none",c.appendChild(m);var g=document.createElement("div");g.id="msText",g.style.cssText="color:#0f0;font-family:Helvetica,Arial,sans-serif;font-size:9px;font-weight:bold;line-height:15px",g.innerHTML="MS",m.appendChild(g);var y=document.createElement("div");for(y.id="msGraph",y.style.cssText="position:relative;width:74px;height:30px;background-color:#0f0",m.appendChild(y);74>y.children.length;){var f=document.createElement("span");f.style.cssText="width:1px;height:30px;float:left;background-color:#131",y.appendChild(f)}var v=function(e){switch(h=e){case 0:u.style.display="block",m.style.display="none";break;case 1:u.style.display="none",m.style.display="block"}},b=function(e,t){var i=e.appendChild(e.firstChild);i.style.height=t+"px"};return{REVISION:11,domElement:c,setMode:v,begin:function(){e=Date.now()},end:function(){var h=Date.now();return i=h-e,n=Math.min(n,i),r=Math.max(r,i),g.textContent=i+" MS ("+n+"-"+r+")",b(y,Math.min(30,30-30*(i/200))),l++,h>t+1e3&&(s=Math.round(1e3*l/(h-t)),o=Math.min(o,s),a=Math.max(a,s),d.textContent=s+" FPS ("+o+"-"+a+")",b(p,Math.min(30,30-30*(s/100))),t=h,l=0),h},update:function(){e=this.end()}}};
</script>
<script>
 
;(function(window) {
 
var ctx,
	hue,
	logo,
	form,
	buffer,
	target = {},
	tendrils = [],
	settings = {};
 
settings.debug = true;
settings.friction = 0.5;
settings.trails = 20;
settings.size = 50;
settings.dampening = 0.25;
settings.tension = 0.98;
 
Math.TWO_PI = Math.PI * 2;
 
// ========================================================================================
// Oscillator
// ----------------------------------------------------------------------------------------
 
function Oscillator(options) {
	this.init(options || {});
}
 
Oscillator.prototype = (function() {
	
	var value = 0;
	
	return {
		
		init: function(options) {
			this.phase = options.phase || 0;
			this.offset = options.offset || 0;
			this.frequency = options.frequency || 0.001;
			this.amplitude = options.amplitude || 1;
		},
		
		update: function() {
			this.phase += this.frequency;
			value = this.offset + Math.sin(this.phase) * this.amplitude;
			return value;
		},
		
		value: function() {
			return value;
		}
	};
		
})();
 
// ========================================================================================
// Tendril
// ----------------------------------------------------------------------------------------
 
function Tendril(options) {
	this.init(options || {});
}
 
Tendril.prototype = (function() {
	
	function Node() {
		this.x = 0;
		this.y = 0;
		this.vy = 0;
		this.vx = 0;
	}
	
	return {
	
		init: function(options) {
			
			this.spring = options.spring + (Math.random() * 0.1) - 0.05; 
			this.friction = settings.friction + (Math.random() * 0.01) - 0.005;
			this.nodes = [];
			
			for(var i = 0, node; i < settings.size; i++) {
		
				node = new Node();
				node.x = target.x;
				node.y = target.y;
		
				this.nodes.push(node);
			}	
		},
		
		update: function() {
			
			var spring = this.spring,
				node = this.nodes[0];
			
			node.vx += (target.x - node.x) * spring;
			node.vy += (target.y - node.y) * spring;
			
			for(var prev, i = 0, n = this.nodes.length; i < n; i++) {
 
				node = this.nodes[i];
				
				if(i > 0) {
					
					prev = this.nodes[i - 1];
					
					node.vx += (prev.x - node.x) * spring;
					node.vy += (prev.y - node.y) * spring;
					node.vx += prev.vx * settings.dampening;
					node.vy += prev.vy * settings.dampening;
				}
				
				node.vx *= this.friction;
				node.vy *= this.friction;
				node.x += node.vx;
				node.y += node.vy;
				
				spring *= settings.tension;
			}
		},
 
		draw: function() {
		
			var x = this.nodes[0].x, 
				y = this.nodes[0].y,
				a, b;
			
			ctx.beginPath();
			ctx.moveTo(x, y);
			
			for(var i = 1, n = this.nodes.length - 2; i < n; i++) {
				
				a = this.nodes[i];
				b = this.nodes[i + 1];
				x = (a.x + b.x) * 0.5;
				y = (a.y + b.y) * 0.5;
				
				ctx.quadraticCurveTo(a.x, a.y, x, y);
			}
			
			a = this.nodes[i];
			b = this.nodes[i + 1];
			
			ctx.quadraticCurveTo(a.x, a.y, b.x, b.y);
			ctx.stroke();
			ctx.closePath();
		}
	};
 
})();
 
// ----------------------------------------------------------------------------------------
 
function init(event) {
 
	document.removeEventListener('mousemove', init);
	document.removeEventListener('touchstart', init);
	
	document.addEventListener('mousemove', mousemove);
	document.addEventListener('touchmove', mousemove);
	document.addEventListener('touchstart', touchstart);
	
	mousemove(event);
	reset();
	loop();
}
 
function reset() {
	
	tendrils = [];
 
	for(var i = 0; i < settings.trails; i++) {
		
		tendrils.push(new Tendril({
			spring: 0.45 + 0.025 * (i / settings.trails)
		}));
	}
}
 
function loop() {
	
	if(!ctx.running) return;
 
	ctx.globalCompositeOperation = 'source-over';
	ctx.fillStyle = 'rgba(8,5,16,0.4)';
	ctx.fillRect(0, 0, ctx.canvas.width, ctx.canvas.height);
	ctx.globalCompositeOperation = 'lighter';
	ctx.strokeStyle = 'hsla(' + Math.round(hue.update()) + ',90%,50%,0.25)';
	ctx.lineWidth = 1;
	
	if(ctx.frame % 60 == 0) {
		console.log(hue.update(), Math.round(hue.update()), hue.phase, hue.offset, hue.frequency, hue.amplitude);
	}
	
	for(var i = 0, tendril; i < settings.trails; i++) {
		tendril = tendrils[i];
		tendril.update();
		tendril.draw();
	}
	
	ctx.frame++;
	ctx.stats.update();
	requestAnimFrame(loop);
}
 
function resize() {
	ctx.canvas.width = window.innerWidth;
	ctx.canvas.height = window.innerHeight;
}
 
function start() {
	if(!ctx.running) {
		ctx.running = true;
		loop();
	}
}
 
function stop() {
	ctx.running = false;
}
 
function mousemove(event) {
	if(event.touches) {
		target.x = event.touches[0].pageX;
		target.y = event.touches[0].pageY;
	} else {
		target.x = event.clientX
		target.y = event.clientY;
	}
	event.preventDefault();
}
 
function touchstart(event) {
	if(event.touches.length == 1) {
		target.x = event.touches[0].pageX;
		target.y = event.touches[0].pageY;
	}
}
 
function keyup(event) {
	
	switch(event.keyCode) {
		case 32:
			save();
			break;
		default: 
			// console.log(event.keyCode);
	}
}
 
function letters(id) {
 
	var el = document.getElementById(id),
		letters = el.innerHTML.replace('&amp;', '&').split(''),
		heading = '';
	
	for(var i = 0, n = letters.length, letter; i < n; i++) {
		letter = letters[i].replace('&', '&amp');
		heading += letter.trim() ? '<span class="letter-' + i + '">' + letter + '</span>' : '&nbsp;';
	}
	
	el.innerHTML = heading;
	setTimeout(function() { 
		el.className = 'transition-in';	
	}, (Math.random() * 500) + 500);
}
 
function save() {
 
	if(!buffer) {
		
		buffer = document.createElement('canvas');
		buffer.width = screen.availWidth;
		buffer.height = screen.availHeight;
		buffer.ctx = buffer.getContext('2d');
		
		form = document.createElement('form');
		form.method = 'post';
		form.input = document.createElement('input');
		form.input.type = 'hidden';
		form.input.name = 'data';
		form.appendChild(form.input);
		
		document.body.appendChild(form);
	}
 
	buffer.ctx.fillStyle = 'rgba(8,5,16)';
	buffer.ctx.fillRect(0, 0, buffer.width, buffer.height);
	
	buffer.ctx.drawImage(canvas,
		Math.round(buffer.width / 2 - canvas.width / 2), 
		Math.round(buffer.height / 2 - canvas.height / 2)
	);
	
	buffer.ctx.drawImage(logo,
		Math.round(buffer.width / 2 - logo.width / 4), 
		Math.round(buffer.height / 2 - logo.height / 4),
		logo.width / 2,
		logo.height / 2
	);
	
	window.open(buffer.toDataURL(), 'wallpaper', 'top=0,left=0,width=' + buffer.width + ',height=' + buffer.height);
	
	// form.input.value = buffer.toDataURL().substr(22);
	// form.submit();
}
 
window.requestAnimFrame = (function() {
	return window.requestAnimationFrame || window.webkitRequestAnimationFrame || window.mozRequestAnimationFrame || function(fn) { window.setTimeout(fn, 1000 / 60) };
})();
 
window.onload = function() {
	
	ctx = document.getElementById('canvas').getContext('2d');
	ctx.stats = new Stats();
	ctx.running = true;
	ctx.frame = 1;
	
	logo = new Image();
	logo.src = 'http://labs.nikrowell.com/lightsandmotion/ultraviolet/images/logo.png';
	
	hue = new Oscillator({
		phase: Math.random() * Math.TWO_PI,
		amplitude: 85,
		frequency: 0.0015,
		offset: 285
	});
	
	letters('h1');
	letters('h2');
	
	document.addEventListener('mousemove', init);
	document.addEventListener('touchstart', init);
	document.body.addEventListener('orientationchange', resize);
	window.addEventListener('resize', resize);
	window.addEventListener('keyup', keyup);
	window.addEventListener('focus', start);
	window.addEventListener('blur', stop);
	
	resize();
	
	if(window.DEBUG) {
		
		var gui = new dat.GUI();
		
		// gui.add(settings, 'debug');
		settings.gui.add(settings, 'trails', 1, 30).onChange(reset);
		settings.gui.add(settings, 'size', 25, 75).onFinishChange(reset);
		settings.gui.add(settings, 'friction', 0.45, 0.55).onFinishChange(reset);
		settings.gui.add(settings, 'dampening', 0.01, 0.4).onFinishChange(reset);
		settings.gui.add(settings, 'tension', 0.95, 0.999).onFinishChange(reset);	
		
		document.body.appendChild(ctx.stats.domElement);
	}
};
 
})(window);
 
</script>
 
</body>
</html>

效果图

具体可以上手体验，十分简单，只要会复制粘贴改后缀就行。

总结

这段代码是一个交互式网页的示例，它利用HTML定义了页面结构，CSS负责页面的样式设计，包括动画和过渡效果，以及一个重置样式来统一不同浏览器的默认样式。JavaScript部分实现了动态效果，包括一个自定义的`Stats`函数来显示性能指标，以及`Oscillator`和`Tendril`类来创建视觉效果。此外，通过监听用户的鼠标和触摸动作，页面能够响应交互。代码中还包含了一些可能用于调试目的的设置，以及一些可能存在问题或需要优化的资源链接。整体而言，该页面通过结合前端技术，提供了视觉动画和用户交互的体验。

声明：本文内容由网友自发贡献，不代表【wpsshop博客】立场，版权归原作者所有，本站不承担相应法律责任。如您发现有侵权的内容，请联系我们。转载请注明出处：https://www.wpsshop.cn/w/菜鸟追梦旅行/article/detail/589529