其它的先不说,先来感受一下预览效果 Demo
源码
- <!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>STGOD | 只为改变世界 STGOD.com</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;
- font: 14px "Microsoft YaHei",Helvetica,Arial,Lucida Grande,Tahoma,sans-serif;
- }
- 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: bold;
- 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>
- <!--内容部分-->
- <h1 id="h1">STGOD 只为改变世界</h1>
- <h2 id="h2">分享的不仅是技术,互联网最后一片净土。</h2>
- <p> </p>
- <p><strong><a href="https://stgod.com">进入主站</a></strong></p>
- <p> </p>
- <p> </p>
- <p> </p>
- <p> </p>
- <p> </p>
- </div>
- </div>
- <canvas id="canvas"></canvas>
- <audio autoplay="autoplay">
- <!--背景音乐地址-->
- <source src="http://7jpovv.com1.z0.glb.clouddn.com/The-Mass.mp3" type="audio/mpeg"></source>
- </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('&', '&').split(''),
- heading = '';
- for(var i = 0, n = letters.length, letter; i < n; i++) {
- letter = letters[i].replace('&', '&');
- heading += letter.trim() ? '<span class="letter-' + i + '">' + letter + '</span>' : ' ';
- }
- 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 = '';
- 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>
转载请注明出处:https://stgod.com/1573/