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wzjs 2025/9/17 22:59:50

地方门户网站建设,建设网站规划书,学it去哪里学比较好,html编辑器电脑版*2022年圣诞节到来啦，很高兴这次我们又能一起度过~ 文章目录一、前言二、跨年烟花三、效果展示五、HTML源码一、前言时光荏苒，白驹过隙。 2022这一年又在忙碌中度过了，过去的一年，我们同努力，我们共欢笑，…

*2022年圣诞节到来啦，很高兴这次我们又能一起度过~
在这里插入图片描述

文章目录

一、前言
二、跨年烟花
三、效果展示
五、HTML源码

一、前言

时光荏苒，白驹过隙。

2022这一年又在忙碌中度过了，过去的一年，我们同努力，我们共欢笑，每一次成功都蕴藏着我们辛勤的劳动。

新的一年即将来到，我们不能停滞不前，一味只是骄傲。愿大家与时俱进，拼搏不懈，共创新的辉煌！

借着新年到来的喜庆，给大家分享一个新年烟花的前端代码，快拿着代码展示给你的朋友们看吧！！

转眼间已经到了2022的尾巴，这一年对于国家来说丰富充实,冬奥会在北京举行、中国共产党第二十次全国代表大会召开、社会共同抗击疫情的第三年、我国完成天宫空间站建造……对于我们每一个个体，2022也承载着我们的快乐与悲伤，它是无法替代的。

新的一年马上就要到了，让我们告别2022，迎接2023！

希望2023,全糖去冰。

二、跨年烟花

本文是一篇简单的前端代码，主要内容有HTML，JS，CSS等内容

HTML代码
JS代码
CSS样式
插件等
可根据需求自定义文字
背景音乐
倒计时

三、效果展示

文末有完整的HTML代码下载地址，直接复制就能用。接下来我们一起来看看效果吧！！！

倒计时效果展示
在这里插入图片描述
2023 字体效果展示

兔圆圆字体效果展示

五、HTML源码

嫌麻烦？点这里直接下载(无需积分)

index.html

烟花，雪花，背景音乐，页面样式在这里实现的哦

<!DOCTYPE html>
<html><head><meta charset="utf-8" /><title>时光荏苒，白驹过隙！</title><style>html,body {margin: 0px;width: 100%;height: 100%;overflow: hidden;background: #000;}</style></head><body><canvasid="canvas"style="position: absolute; width: 100%; height: 100%; z-index: 8888"></canvas><canvasstyle="position: absolute; width: 100%; height: 100%; z-index: 9999"class="canvas"></canvas><div class="overlay"><div class="tabs"><div class="tabs-labels"><span class="tabs-label">Commands</span><span class="tabs-label">Info</span><span class="tabs-label">Share</span></div><div class="tabs-panels"><ul class="tabs-panel commands"></ul></div></div></div><script>function initVars() {pi = Math.PI;ctx = canvas.getContext("2d");canvas.width = canvas.clientWidth;canvas.height = canvas.clientHeight;cx = canvas.width / 2;cy = canvas.height / 2;playerZ = -25;playerX =playerY =playerVX =playerVY =playerVZ =pitch =yaw =pitchV =yawV =0;scale = 600;seedTimer = 0;(seedInterval = 5), (seedLife = 100);gravity = 0.02;seeds = new Array();sparkPics = new Array();s = "https://cantelope.org/NYE/";for (i = 1; i <= 10; ++i) {sparkPic = new Image();sparkPic.src = s + "spark" + i + ".png";sparkPics.push(sparkPic);}sparks = new Array();pow1 = new Audio(s + "pow1.ogg");pow2 = new Audio(s + "pow2.ogg");pow3 = new Audio(s + "pow3.ogg");pow4 = new Audio(s + "pow4.ogg");frames = 0;}function rasterizePoint(x, y, z) {var p, d;x -= playerX;y -= playerY;z -= playerZ;p = Math.atan2(x, z);d = Math.sqrt(x * x + z * z);x = Math.sin(p - yaw) * d;z = Math.cos(p - yaw) * d;p = Math.atan2(y, z);d = Math.sqrt(y * y + z * z);y = Math.sin(p - pitch) * d;z = Math.cos(p - pitch) * d;var rx1 = -1000,ry1 = 1,rx2 = 1000,ry2 = 1,rx3 = 0,ry3 = 0,rx4 = x,ry4 = z,uc = (ry4 - ry3) * (rx2 - rx1) - (rx4 - rx3) * (ry2 - ry1);if (!uc) return { x: 0, y: 0, d: -1 };var ua = ((rx4 - rx3) * (ry1 - ry3) - (ry4 - ry3) * (rx1 - rx3)) / uc;var ub = ((rx2 - rx1) * (ry1 - ry3) - (ry2 - ry1) * (rx1 - rx3)) / uc;if (!z) z = 0.000000001;if (ua > 0 && ua < 1 && ub > 0 && ub < 1) {return {x: cx + (rx1 + ua * (rx2 - rx1)) * scale,y: cy + (y / z) * scale,d: Math.sqrt(x * x + y * y + z * z),};} else {return {x: cx + (rx1 + ua * (rx2 - rx1)) * scale,y: cy + (y / z) * scale,d: -1,};}}function spawnSeed() {seed = new Object();seed.x = -50 + Math.random() * 100;seed.y = 25;seed.z = -50 + Math.random() * 100;seed.vx = 0.1 - Math.random() * 0.2;seed.vy = -1.5; //*(1+Math.random()/2);seed.vz = 0.1 - Math.random() * 0.2;seed.born = frames;seeds.push(seed);}function splode(x, y, z) {t = 5 + parseInt(Math.random() * 150);sparkV = 1 + Math.random() * 2.5;type = parseInt(Math.random() * 3);switch (type) {case 0:pic1 = parseInt(Math.random() * 10);break;case 1:pic1 = parseInt(Math.random() * 10);do {pic2 = parseInt(Math.random() * 10);} while (pic2 == pic1);break;case 2:pic1 = parseInt(Math.random() * 10);do {pic2 = parseInt(Math.random() * 10);} while (pic2 == pic1);do {pic3 = parseInt(Math.random() * 10);} while (pic3 == pic1 || pic3 == pic2);break;}for (m = 1; m < t; ++m) {spark = new Object();spark.x = x;spark.y = y;spark.z = z;p1 = pi * 2 * Math.random();p2 = pi * Math.random();v = sparkV * (1 + Math.random() / 6);spark.vx = Math.sin(p1) * Math.sin(p2) * v;spark.vz = Math.cos(p1) * Math.sin(p2) * v;spark.vy = Math.cos(p2) * v;switch (type) {case 0:spark.img = sparkPics[pic1];break;case 1:spark.img = sparkPics[parseInt(Math.random() * 2) ? pic1 : pic2];break;case 2:switch (parseInt(Math.random() * 3)) {case 0:spark.img = sparkPics[pic1];break;case 1:spark.img = sparkPics[pic2];break;case 2:spark.img = sparkPics[pic3];break;}break;}spark.radius = 25 + Math.random() * 50;spark.alpha = 1;spark.trail = new Array();sparks.push(spark);}switch (parseInt(Math.random() * 4)) {case 0:pow = new Audio(s + "pow1.ogg");break;case 1:pow = new Audio(s + "pow2.ogg");break;case 2:pow = new Audio(s + "pow3.ogg");break;case 3:pow = new Audio(s + "pow4.ogg");break;}d = Math.sqrt((x - playerX) * (x - playerX) +(y - playerY) * (y - playerY) +(z - playerZ) * (z - playerZ));pow.volume = 1.5 / (1 + d / 10);pow.play();}function doLogic() {if (seedTimer < frames) {seedTimer = frames + seedInterval * Math.random() * 10;spawnSeed();}for (i = 0; i < seeds.length; ++i) {seeds[i].vy += gravity;seeds[i].x += seeds[i].vx;seeds[i].y += seeds[i].vy;seeds[i].z += seeds[i].vz;if (frames - seeds[i].born > seedLife) {splode(seeds[i].x, seeds[i].y, seeds[i].z);seeds.splice(i, 1);}}for (i = 0; i < sparks.length; ++i) {if (sparks[i].alpha > 0 && sparks[i].radius > 5) {sparks[i].alpha -= 0.01;sparks[i].radius /= 1.02;sparks[i].vy += gravity;point = new Object();point.x = sparks[i].x;point.y = sparks[i].y;point.z = sparks[i].z;if (sparks[i].trail.length) {x = sparks[i].trail[sparks[i].trail.length - 1].x;y = sparks[i].trail[sparks[i].trail.length - 1].y;z = sparks[i].trail[sparks[i].trail.length - 1].z;d =(point.x - x) * (point.x - x) +(point.y - y) * (point.y - y) +(point.z - z) * (point.z - z);if (d > 9) {sparks[i].trail.push(point);}} else {sparks[i].trail.push(point);}if (sparks[i].trail.length > 5) sparks[i].trail.splice(0, 1);sparks[i].x += sparks[i].vx;sparks[i].y += sparks[i].vy;sparks[i].z += sparks[i].vz;sparks[i].vx /= 1.075;sparks[i].vy /= 1.075;sparks[i].vz /= 1.075;} else {sparks.splice(i, 1);}}p = Math.atan2(playerX, playerZ);d = Math.sqrt(playerX * playerX + playerZ * playerZ);d += Math.sin(frames / 80) / 1.25;t = Math.sin(frames / 200) / 40;playerX = Math.sin(p + t) * d;playerZ = Math.cos(p + t) * d;yaw = pi + p + t;}function rgb(col) {var r = parseInt((0.5 + Math.sin(col) * 0.5) * 16);var g = parseInt((0.5 + Math.cos(col) * 0.5) * 16);var b = parseInt((0.5 - Math.sin(col) * 0.5) * 16);return "#" + r.toString(16) + g.toString(16) + b.toString(16);}function draw() {ctx.clearRect(0, 0, cx * 2, cy * 2);ctx.fillStyle = "#ff8";for (i = -100; i < 100; i += 3) {for (j = -100; j < 100; j += 4) {x = i;z = j;y = 25;point = rasterizePoint(x, y, z);if (point.d != -1) {size = 250 / (1 + point.d);d = Math.sqrt(x * x + z * z);a = 0.75 - Math.pow(d / 100, 6) * 0.75;if (a > 0) {ctx.globalAlpha = a;ctx.fillRect(point.x - size / 2,point.y - size / 2,size,size);}}}}ctx.globalAlpha = 1;for (i = 0; i < seeds.length; ++i) {point = rasterizePoint(seeds[i].x, seeds[i].y, seeds[i].z);if (point.d != -1) {size = 200 / (1 + point.d);ctx.fillRect(point.x - size / 2, point.y - size / 2, size, size);}}point1 = new Object();for (i = 0; i < sparks.length; ++i) {point = rasterizePoint(sparks[i].x, sparks[i].y, sparks[i].z);if (point.d != -1) {size = (sparks[i].radius * 200) / (1 + point.d);if (sparks[i].alpha < 0) sparks[i].alpha = 0;if (sparks[i].trail.length) {point1.x = point.x;point1.y = point.y;switch (sparks[i].img) {case sparkPics[0]:ctx.strokeStyle = "#f84";break;case sparkPics[1]:ctx.strokeStyle = "#84f";break;case sparkPics[2]:ctx.strokeStyle = "#8ff";break;case sparkPics[3]:ctx.strokeStyle = "#fff";break;case sparkPics[4]:ctx.strokeStyle = "#4f8";break;case sparkPics[5]:ctx.strokeStyle = "#f44";break;case sparkPics[6]:ctx.strokeStyle = "#f84";break;case sparkPics[7]:ctx.strokeStyle = "#84f";break;case sparkPics[8]:ctx.strokeStyle = "#fff";break;case sparkPics[9]:ctx.strokeStyle = "#44f";break;}for (j = sparks[i].trail.length - 1; j >= 0; --j) {point2 = rasterizePoint(sparks[i].trail[j].x,sparks[i].trail[j].y,sparks[i].trail[j].z);if (point2.d != -1) {ctx.globalAlpha =((j / sparks[i].trail.length) * sparks[i].alpha) / 2;ctx.beginPath();ctx.moveTo(point1.x, point1.y);ctx.lineWidth =1 +(sparks[i].radius * 10) /(sparks[i].trail.length - j) /(1 + point2.d);ctx.lineTo(point2.x, point2.y);ctx.stroke();point1.x = point2.x;point1.y = point2.y;}}}ctx.globalAlpha = sparks[i].alpha;ctx.drawImage(sparks[i].img,point.x - size / 2,point.y - size / 2,size,size);}}}function frame() {if (frames > 100000) {seedTimer = 0;frames = 0;}frames++;draw();doLogic();requestAnimationFrame(frame);}window.addEventListener("resize", () => {canvas.width = canvas.clientWidth;canvas.height = canvas.clientHeight;cx = canvas.width / 2;cy = canvas.height / 2;});initVars();frame();</script><script src="js/index.js"></script><div id="page_end_html"><!--放大图片--><linkrel="stylesheet"type="text/css"href="https://blog-static.cnblogs.com/files/zouwangblog/zoom.css"/><script src="https://cdn.bootcss.com/jquery/1.8.3/jquery.min.js"></script><script src="https://cdn.bootcss.com/bootstrap/3.2.0/js/transition.js"></script><script src="https://blog-static.cnblogs.com/files/zouwangblog/zoom.js"></script><script type="text/javascript">$("#cnblogs_post_body img").attr("data-action", "zoom");</script><!--放大图片end--><!--鼠标特效--><script src="https://blog-static.cnblogs.com/files/zouwangblog/mouse-click.js"></script><canvaswidth="1777"height="841"style="position: fixed;left: 0px;top: 0px;z-index: 2147483647;pointer-events: none;"></canvas><!--鼠标特效 end--><!-- require APlayer --><linkrel="stylesheet"href="https://cdn.jsdelivr.net/npm/aplayer/dist/APlayer.min.css"/><script src="https://cdn.jsdelivr.net/npm/aplayer/dist/APlayer.min.js"></script><!-- require MetingJS --><script src="https://cdn.jsdelivr.net/npm/meting@2/dist/Meting.min.js"></script><!-- // 随机线条 --><script>!(function () {function n(n, e, t) {return n.getAttribute(e) || t;}function e(n) {return document.getElementsByTagName(n);}function t() {var t = e("script"),o = t.length,i = t[o - 1];return {l: o,z: n(i, "zIndex", -1),o: n(i, "opacity", 0.6),c: n(i, "color", "148,0,211"),n: n(i, "count", 99),};}function o() {(a = m.width =window.innerWidth ||document.documentElement.clientWidth ||document.body.clientWidth),(c = m.height =window.innerHeight ||document.documentElement.clientHeight ||document.body.clientHeight);}function i() {r.clearRect(0, 0, a, c);var n, e, t, o, m, l;s.forEach(function (i, x) {for (i.x += i.xa,i.y += i.ya,i.xa *= i.x > a || i.x < 0 ? -1 : 1,i.ya *= i.y > c || i.y < 0 ? -1 : 1,r.fillRect(i.x - 0.5, i.y - 0.5, 1, 1),e = x + 1;e < u.length;e++)(n = u[e]),null !== n.x &&null !== n.y &&((o = i.x - n.x),(m = i.y - n.y),(l = o * o + m * m),l < n.max &&(n === y &&l >= n.max / 2 &&((i.x -= 0.03 * o), (i.y -= 0.03 * m)),(t = (n.max - l) / n.max),r.beginPath(),(r.lineWidth = t / 2),(r.strokeStyle = "rgba(" + d.c + "," + (t + 0.2) + ")"),r.moveTo(i.x, i.y),r.lineTo(n.x, n.y),r.stroke()));}),x(i);}var a,c,u,m = document.createElement("canvas"),d = t(),l = "c_n" + d.l,r = m.getContext("2d"),x =window.requestAnimationFrame ||window.webkitRequestAnimationFrame ||window.mozRequestAnimationFrame ||window.oRequestAnimationFrame ||window.msRequestAnimationFrame ||function (n) {window.setTimeout(n, 1e3 / 45);},w = Math.random,y = { x: null, y: null, max: 2e4 };(m.id = l),(m.style.cssText ="position:fixed;top:0;left:0;z-index:" + d.z + ";opacity:" + d.o),e("body")[0].appendChild(m),o(),(window.onresize = o),(window.onmousemove = function (n) {(n = n || window.event), (y.x = n.clientX), (y.y = n.clientY);}),(window.onmouseout = function () {(y.x = null), (y.y = null);});for (var s = [], f = 0; d.n > f; f++) {var h = w() * a,g = w() * c,v = 2 * w() - 1,p = 2 * w() - 1;s.push({ x: h, y: g, xa: v, ya: p, max: 6e3 });}(u = s.concat([y])),setTimeout(function () {i();}, 100);})();</script><!-- 雪花特效 --><script type="text/javascript">(function ($) {$.fn.snow = function (options) {var $flake = $('<div id="snowbox" />').css({ position: "absolute", "z-index": "9999", top: "-50px" }).html("❄"),documentHeight = $(document).height(),documentWidth = $(document).width(),defaults = {minSize: 10,maxSize: 20,newOn: 1000,flakeColor:"#00CED1" /* 此处可以定义雪花颜色，若要白色可以改为#FFFFFF */,},options = $.extend({}, defaults, options);var interval = setInterval(function () {var startPositionLeft = Math.random() * documentWidth - 100,startOpacity = 0.5 + Math.random(),sizeFlake = options.minSize + Math.random() * options.maxSize,endPositionTop = documentHeight - 200,endPositionLeft = startPositionLeft - 500 + Math.random() * 500,durationFall = documentHeight * 10 + Math.random() * 5000;$flake.clone().appendTo("body").css({left: startPositionLeft,opacity: startOpacity,"font-size": sizeFlake,color: options.flakeColor,}).animate({top: endPositionTop,left: endPositionLeft,opacity: 0.2,},durationFall,"linear",function () {$(this).remove();});}, options.newOn);};})(jQuery);$(function () {$.fn.snow({minSize: 5 /* 定义雪花最小尺寸 */,maxSize: 80 /* 定义雪花最大尺寸 */,newOn: 200 /* 定义密集程度，数字越小越密集 */,});});</script></body>
</html>

index.js

自定义文字在这里实现的哦

 var S = {init: function () {var action = window.location.href,i = action.indexOf('?a=');S.Drawing.init('.canvas');document.body.classList.add('body--ready');if (i !== -1) {S.UI.simulate(decodeURI(action).substring(i + 3));} else {S.UI.simulate('|#countdown 3||2023|兔圆圆||#rectangle|');// S.UI.simulate('|写|尽|千|山|落|笔|是|你|#rectangle|');}S.Drawing.loop(function () {S.Shape.render();});}
};S.Drawing = (function () {var canvas,context,renderFnrequestFrame = window.requestAnimationFrame       ||window.webkitRequestAnimationFrame ||window.mozRequestAnimationFrame    ||window.oRequestAnimationFrame      ||window.msRequestAnimationFrame     ||function(callback) {window.setTimeout(callback, 1000 / 60);};return {init: function (el) {canvas = document.querySelector(el);context = canvas.getContext('2d');this.adjustCanvas();window.addEventListener('resize', function (e) {S.Drawing.adjustCanvas();});},loop: function (fn) {renderFn = !renderFn ? fn : renderFn;this.clearFrame();renderFn();requestFrame.call(window, this.loop.bind(this));},adjustCanvas: function () {canvas.width = window.innerWidth;canvas.height = window.innerHeight;},clearFrame: function () {context.clearRect(0, 0, canvas.width, canvas.height);},getArea: function () {return { w: canvas.width, h: canvas.height };},drawCircle: function (p, c) {context.fillStyle = c.render();context.beginPath();context.arc(p.x, p.y, p.z, 0, 2 * Math.PI, true);context.closePath();context.fill();}}
}());S.UI = (function () {var canvas = document.querySelector('.canvas'),interval,isTouch = false, //('ontouchstart' in window || navigator.msMaxTouchPoints),currentAction,resizeTimer,time,maxShapeSize = 30,firstAction = true,sequence = [],cmd = '#';function formatTime(date) {var h = date.getHours(),m = date.getMinutes(),m = m < 10 ? '0' + m : m;return h + ':' + m;}function getValue(value) {return value && value.split(' ')[1];}function getAction(value) {value = value && value.split(' ')[0];return value && value[0] === cmd && value.substring(1);}function timedAction(fn, delay, max, reverse) {clearInterval(interval);currentAction = reverse ? max : 1;fn(currentAction);if (!max || (!reverse && currentAction < max) || (reverse && currentAction > 0)) {interval = setInterval(function () {currentAction = reverse ? currentAction - 1 : currentAction + 1;fn(currentAction);if ((!reverse && max && currentAction === max) || (reverse && currentAction === 0)) {clearInterval(interval);}}, delay);}}function reset(destroy) {clearInterval(interval);sequence = [];time = null;destroy && S.Shape.switchShape(S.ShapeBuilder.letter(''));}function performAction(value) {var action,value,current;// overlay.classList.remove('overlay--visible');sequence = typeof(value) === 'object' ? value : sequence.concat(value.split('|'));// input.value = '';// checkInputWidth();timedAction(function (index) {current = sequence.shift();action = getAction(current);value = getValue(current);switch (action) {case 'countdown':value = parseInt(value) || 10;value = value > 0 ? value : 10;timedAction(function (index) {if (index === 0) {if (sequence.length === 0) {S.Shape.switchShape(S.ShapeBuilder.letter(''));} else {performAction(sequence);}} else {S.Shape.switchShape(S.ShapeBuilder.letter(index), true);}}, 1000, value, true);break;case 'rectangle':value = value && value.split('x');value = (value && value.length === 2) ? value : [maxShapeSize, maxShapeSize / 2];S.Shape.switchShape(S.ShapeBuilder.rectangle(Math.min(maxShapeSize, parseInt(value[0])), Math.min(maxShapeSize, parseInt(value[1]))));break;case 'circle':value = parseInt(value) || maxShapeSize;value = Math.min(value, maxShapeSize);S.Shape.switchShape(S.ShapeBuilder.circle(value));break;case 'time':var t = formatTime(new Date());if (sequence.length > 0) {S.Shape.switchShape(S.ShapeBuilder.letter(t));} else {timedAction(function () {t = formatTime(new Date());if (t !== time) {time = t;S.Shape.switchShape(S.ShapeBuilder.letter(time));}}, 1000);}break;default:S.Shape.switchShape(S.ShapeBuilder.letter(current[0] === cmd ? 'What?' : current));}}, 2000, sequence.length);}function checkInputWidth(e) {if (input.value.length > 18) {ui.classList.add('ui--wide');} else {ui.classList.remove('ui--wide');}if (firstAction && input.value.length > 0) {ui.classList.add('ui--enter');} else {ui.classList.remove('ui--enter');}}function bindEvents() {document.body.addEventListener('keydown', function (e) {input.focus();if (e.keyCode === 13) {firstAction = false;reset();performAction(input.value);}});canvas.addEventListener('click', function (e) {overlay.classList.remove('overlay--visible');});}function init() {bindEvents();// input.focus();isTouch && document.body.classList.add('touch');}// Initinit();return {simulate: function (action) {performAction(action);}}
}());
S.UI.Tabs = (function () {var tabs = document.querySelector('.tabs'),labels = document.querySelector('.tabs-labels'),triggers = document.querySelectorAll('.tabs-label'),panels = document.querySelectorAll('.tabs-panel');function activate(i) {triggers[i].classList.add('tabs-label--active');panels[i].classList.add('tabs-panel--active');}function bindEvents() {labels.addEventListener('click', function (e) {var el = e.target,index;if (el.classList.contains('tabs-label')) {for (var t = 0; t < triggers.length; t++) {triggers[t].classList.remove('tabs-label--active');panels[t].classList.remove('tabs-panel--active');if (el === triggers[t]) {index = t;}}activate(index);}});}function init() {activate(0);bindEvents();}// Initinit();
}());
S.Point = function (args) {this.x = args.x;this.y = args.y;this.z = args.z;this.a = args.a;this.h = args.h;
};
S.Color = function (r, g, b, a) {this.r = r;this.g = g;this.b = b;this.a = a;
};
S.Color.prototype = {render: function () {return 'rgba(' + this.r + ',' +  + this.g + ',' + this.b + ',' + this.a + ')';}
};
S.Dot = function (x, y) {this.p = new S.Point({x: x,y: y,z: 5,a: 1,h: 0});this.e = 0.07;this.s = true;this.c = new S.Color(255, 255, 255, this.p.a);this.t = this.clone();this.q = [];
};
S.Dot.prototype = {clone: function () {return new S.Point({x: this.x,y: this.y,z: this.z,a: this.a,h: this.h});},_draw: function () {this.c.a = this.p.a;S.Drawing.drawCircle(this.p, this.c);},_moveTowards: function (n) {var details = this.distanceTo(n, true),dx = details[0],dy = details[1],d = details[2],e = this.e * d;if (this.p.h === -1) {this.p.x = n.x;this.p.y = n.y;return true;}if (d > 1) {this.p.x -= ((dx / d) * e);this.p.y -= ((dy / d) * e);} else {if (this.p.h > 0) {this.p.h--;} else {return true;}}return false;},_update: function () {if (this._moveTowards(this.t)) {var p = this.q.shift();if (p) {this.t.x = p.x || this.p.x;this.t.y = p.y || this.p.y;this.t.z = p.z || this.p.z;this.t.a = p.a || this.p.a;this.p.h = p.h || 0;} else {if (this.s) {this.p.x -= Math.sin(Math.random() * 3.142);this.p.y -= Math.sin(Math.random() * 3.142);} else {this.move(new S.Point({x: this.p.x + (Math.random() * 50) - 25,y: this.p.y + (Math.random() * 50) - 25,}));}}}d = this.p.a - this.t.a;this.p.a = Math.max(0.1, this.p.a - (d * 0.05));d = this.p.z - this.t.z;this.p.z = Math.max(1, this.p.z - (d * 0.05));},distanceTo: function (n, details) {var dx = this.p.x - n.x,dy = this.p.y - n.y,d = Math.sqrt(dx * dx + dy * dy);return details ? [dx, dy, d] : d;},move: function (p, avoidStatic) {if (!avoidStatic || (avoidStatic && this.distanceTo(p) > 1)) {this.q.push(p);}},render: function () {this._update();this._draw();}
}
S.ShapeBuilder = (function () {var gap = 13,shapeCanvas = document.createElement('canvas'),shapeContext = shapeCanvas.getContext('2d'),fontSize = 500,fontFamily = 'Avenir, Helvetica Neue, Helvetica, Arial, sans-serif';function fit() {shapeCanvas.width = Math.floor(window.innerWidth / gap) * gap;shapeCanvas.height = Math.floor(window.innerHeight / gap) * gap;shapeContext.fillStyle = 'red';shapeContext.textBaseline = 'middle';shapeContext.textAlign = 'center';}function processCanvas() {var pixels = shapeContext.getImageData(0, 0, shapeCanvas.width, shapeCanvas.height).data;dots = [],pixels,x = 0,y = 0,fx = shapeCanvas.width,fy = shapeCanvas.height,w = 0,h = 0;for (var p = 0; p < pixels.length; p += (4 * gap)) {if (pixels[p + 3] > 0) {dots.push(new S.Point({x: x,y: y}));w = x > w ? x : w;h = y > h ? y : h;fx = x < fx ? x : fx;fy = y < fy ? y : fy;}x += gap;if (x >= shapeCanvas.width) {x = 0;y += gap;p += gap * 4 * shapeCanvas.width;}}return { dots: dots, w: w + fx, h: h + fy };}function setFontSize(s) {shapeContext.font = 'bold ' + s + 'px ' + fontFamily;}function isNumber(n) {return !isNaN(parseFloat(n)) && isFinite(n);}function init() {fit();window.addEventListener('resize', fit);}// Initinit();return {imageFile: function (url, callback) {var image = new Image(),a = S.Drawing.getArea();image.onload = function () {shapeContext.clearRect(0, 0, shapeCanvas.width, shapeCanvas.height);shapeContext.drawImage(this, 0, 0, a.h * 0.6, a.h * 0.6);callback(processCanvas());};image.onerror = function () {callback(S.ShapeBuilder.letter('What?'));}image.src = url;},circle: function (d) {var r = Math.max(0, d) / 2;shapeContext.clearRect(0, 0, shapeCanvas.width, shapeCanvas.height);shapeContext.beginPath();shapeContext.arc(r * gap, r * gap, r * gap, 0, 2 * Math.PI, false);shapeContext.fill();shapeContext.closePath();return processCanvas();},letter: function (l) {var s = 0;setFontSize(fontSize);s = Math.min(fontSize,(shapeCanvas.width / shapeContext.measureText(l).width) * 0.8 * fontSize,(shapeCanvas.height / fontSize) * (isNumber(l) ? 1 : 0.45) * fontSize);setFontSize(s);shapeContext.clearRect(0, 0, shapeCanvas.width, shapeCanvas.height);shapeContext.fillText(l, shapeCanvas.width / 2, shapeCanvas.height / 2);return processCanvas();},rectangle: function (w, h) {var dots = [],width = gap * w,height = gap * h;for (var y = 0; y < height; y += gap) {for (var x = 0; x < width; x += gap) {dots.push(new S.Point({x: x,y: y,}));}}return { dots: dots, w: width, h: height };}};
}());
S.Shape = (function () {var dots = [],width = 0,height = 0,cx = 0,cy = 0;function compensate() {var a = S.Drawing.getArea();cx = a.w / 2 - width / 2;cy = a.h / 2 - height / 2;}return {shuffleIdle: function () {var a = S.Drawing.getArea();for (var d = 0; d < dots.length; d++) {if (!dots[d].s) {dots[d].move({x: Math.random() * a.w,y: Math.random() * a.h});}}},switchShape: function (n, fast) {var size,a = S.Drawing.getArea();width = n.w;height = n.h;compensate();if (n.dots.length > dots.length) {size = n.dots.length - dots.length;for (var d = 1; d <= size; d++) {dots.push(new S.Dot(a.w / 2, a.h / 2));}}var d = 0,i = 0;while (n.dots.length > 0) {i = Math.floor(Math.random() * n.dots.length);dots[d].e = fast ? 0.25 : (dots[d].s ? 0.14 : 0.11);if (dots[d].s) {dots[d].move(new S.Point({z: Math.random() * 20 + 10,a: Math.random(),h: 18}));} else {dots[d].move(new S.Point({z: Math.random() * 5 + 5,h: fast ? 18 : 30}));}dots[d].s = true;dots[d].move(new S.Point({x: n.dots[i].x + cx,y: n.dots[i].y + cy,a: 1,z: 5,h: 0}));n.dots = n.dots.slice(0, i).concat(n.dots.slice(i + 1));d++;}for (var i = d; i < dots.length; i++) {if (dots[i].s) {dots[i].move(new S.Point({z: Math.random() * 20 + 10,a: Math.random(),h: 20}));dots[i].s = false;dots[i].e = 0.04;dots[i].move(new S.Point({x: Math.random() * a.w,y: Math.random() * a.h,a: 0.3, //.4z: Math.random() * 4,h: 0}));}}},render: function () {for (var d = 0; d < dots.length; d++) {dots[d].render();}}}
}());
S.init();

完整版代码下载地址：https://zyhq.lanzoul.com/iHiT70jeed0b
建议下载完整版，效果更好！