1200字范文 > 新年3D烟花秀新年快乐代码春节快乐代码跨年立体烟花秀

新年3D烟花秀新年快乐代码春节快乐代码跨年立体烟花秀

时间：2019-08-14 03:45:18

新年3D烟花秀，新年快乐代码，春节快乐代码，跨年立体烟花秀

运行效果

完整代码下载地址：新年3D烟花秀，新年快乐代码，春节快乐代码，跨年立体烟花秀

<!DOCTYPE html><html><head><meta charset="utf-8" /><title>风华正茂，书生意气</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 = "/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"><linkrel="stylesheet"type="text/css"href="https://blog-/files/zouwangblog/zoom.css"/><script src="/jquery/1.8.3/jquery.min.js"></script><script src="/bootstrap/3.2.0/js/transition.js"></script><script src="https://blog-/files/zouwangblog/zoom.js"></script><script type="text/javascript">$("#cnblogs_post_body img").attr("data-action", "zoom");</script><script src="https://blog-/files/zouwangblog/mouse-click.js"></script><canvaswidth="1777"height="841"style="position: fixed;left: 0px;top: 0px;z-index: 2147483647;pointer-events: none;"></canvas><linkrel="stylesheet"href="/npm/aplayer/dist/APlayer.min.css"/><script src="/npm/aplayer/dist/APlayer.min.js"></script><script src="/npm/meting@2/dist/Meting.min.js"></script><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><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>

完整代码下载地址：新年3D烟花秀，新年快乐代码，春节快乐代码，跨年立体烟花秀

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