(function (factory) {
typeof define === 'function' && define.amd ? define(factory) :
factory();
}((function () { 'use strict';
function styleInject(css, ref) {
if ( ref === void 0 ) ref = {};
var insertAt = ref.insertAt;
if (!css || typeof document === 'undefined') { return; }
var head = document.head || document.getElementsByTagName('head')[0];
var style = document.createElement('style');
style.type = 'text/css';
if (insertAt === 'top') {
if (head.firstChild) {
head.insertBefore(style, head.firstChild);
} else {
head.appendChild(style);
}
} else {
head.appendChild(style);
}
if (style.styleSheet) {
style.styleSheet.cssText = css;
} else {
style.appendChild(document.createTextNode(css));
}
}
var css_248z = "@charset \"UTF-8\";.lantern__warpper{position:fixed;top:12px;left:40px;pointer-events:none;-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none;z-index:999}.lantern__warpper.lantern__secondary{left:calc(100% - 130px)}.lantern__warpper.lantern__secondary .lantern__box{-webkit-animation-duration:3s;animation-duration:3s}.lantern__box{position:relative;display:inline-block;width:90px;height:70px;background:rgba(216,0,15,.8);border-radius:50% 50%;animation:lantern-swing 3s ease-in-out infinite alternate-reverse;-webkit-transform-origin:50% -70px;-ms-transform-origin:50% -70px;transform-origin:50% -70px;-webkit-box-shadow:-5px 5px 50px 4px #fa6c00;box-shadow:-5px 5px 50px 4px #fa6c00}.lantern__box:after,.lantern__box:before{content:\"\";position:absolute;height:8px;width:45px;left:50%;border:1px solid #dc8f03;background:-webkit-gradient(linear,left top,right top,from(#dc8f03),color-stop(orange),color-stop(#dc8f03),color-stop(orange),to(#dc8f03));background:-o-linear-gradient(left,#dc8f03,orange,#dc8f03,orange,#dc8f03);background:linear-gradient(90deg,#dc8f03,orange,#dc8f03,orange,#dc8f03)}.lantern__box:before{top:0;border-radius:5px 5px 0 0;-webkit-transform:translate(-50%,-50%);-ms-transform:translate(-50%,-50%);transform:translate(-50%,-50%)}.lantern__box:after{bottom:0;border-radius:0 0 5px 5px;-webkit-transform:translate(-50%,50%);-ms-transform:translate(-50%,50%);transform:translate(-50%,50%)}.lantern__line{position:absolute;width:2px;height:12px;top:0;left:50%;-webkit-transform:translate(-50%,-100%);-ms-transform:translate(-50%,-100%);transform:translate(-50%,-100%);background:#dc8f03}.lantern__circle{width:80%;-webkit-box-sizing:border-box;box-sizing:border-box}.lantern__circle,.lantern__circle .lantern__ellipse{height:100%;margin:0 auto;border-radius:50%;border:2px solid #dc8f03}.lantern__circle .lantern__ellipse{width:50%}.lantern__circle .lantern__text{font-family:华文行楷,Microsoft YaHei,sans-serif;font-size:24.3px;color:#dc8f03;font-weight:700;line-height:66px;text-align:center}.lantern__tail{position:relative;width:4px;height:12px;margin:0 auto;animation:lantern-swing 4s ease-in-out infinite alternate-reverse;background:orange;border-radius:0 0 5px 5px}.lantern__tail .lantern__junction{position:absolute;top:0;left:50%;width:8px;height:8px;-webkit-transform:translate(-50%,8.4px);-ms-transform:translate(-50%,8.4px);transform:translate(-50%,8.4px);background:#e69603;border-radius:50%}.lantern__tail .lantern__rect{position:absolute;top:0;left:50%;-webkit-transform:translate(-50%,10.8px);-ms-transform:translate(-50%,10.8px);transform:translate(-50%,10.8px);width:8px;height:24px;background:orange;border-radius:5px 5px 0 5px}@-webkit-keyframes lantern-swing{0%{-webkit-transform:rotate(-8deg);transform:rotate(-8deg)}to{-webkit-transform:rotate(8deg);transform:rotate(8deg)}}@keyframes lantern-swing{0%{-webkit-transform:rotate(-8deg);transform:rotate(-8deg)}to{-webkit-transform:rotate(8deg);transform:rotate(8deg)}}@media (max-width:460px){.lantern__warpper{top:8px;left:30px}.lantern__warpper.lantern__secondary{left:calc(100% - 80px)}.lantern__box{width:50px;height:40px;-webkit-transform-origin:50% -40px;-ms-transform-origin:50% -40px;transform-origin:50% -40px;-webkit-box-shadow:-5px 5px 50px -1px #fa6c00;box-shadow:-5px 5px 50px -1px #fa6c00}.lantern__box:after,.lantern__box:before{height:4px;width:25px}.lantern__line{width:2px;height:8px}.lantern__circle .lantern__text{font-size:13.5px;line-height:38px}.lantern__tail{width:4px;height:8px}.lantern__tail .lantern__junction{width:8px;height:8px;-webkit-transform:translate(-50%,5.6px);-ms-transform:translate(-50%,5.6px);transform:translate(-50%,5.6px)}.lantern__tail .lantern__rect{-webkit-transform:translate(-50%,7.2px);-ms-transform:translate(-50%,7.2px);transform:translate(-50%,7.2px);width:8px;height:16px}}";
styleInject(css_248z);
var content = '<div class="lantern__warpper"><div class="lantern__box"><div class="lantern__line"></div><div class="lantern__circle"><div class="lantern__ellipse"><div class="lantern__text">元</div></div></div><div class="lantern__tail"><div class="lantern__rect"></div><div class="lantern__junction"></div></div></div></div><div class="lantern__warpper lantern__secondary"><div class="lantern__box"><div class="lantern__line"></div><div class="lantern__circle"><div class="lantern__ellipse"><div class="lantern__text">旦</div></div></div><div class="lantern__tail"><div class="lantern__rect"></div><div class="lantern__junction"></div></div></div></div>';
function createElement() {
var div = document.createElement('div');
div.className = 'j-china-lantern';
div.innerHTML = content;
document.body.appendChild(div);
}
createElement();
})));可以将代码内容保存到空间里并命名为china-lantern.js然后使用代码调用它，该代码可以放在头部或尾部文件里
//粘贴到head或foot文件里
<script src="/china-lantern.js"></script>//请根据实际路径修改也可以调用我的JS文件，代码如下
//粘贴到head或foot文件里
<script src="https://files.blog.lmb.blue/assets/js/china-lantern.js"></script>/* 控制下雪 */
function snowFall(snow) {
/* 可配置属性 */
snow = snow || {};
this.maxFlake = snow.maxFlake || 100; /* 最多片数 */
this.flakeSize = snow.flakeSize || 10; /* 雪花形状 */
this.fallSpeed = snow.fallSpeed || 1; /* 坠落速度 */
}
/* 兼容写法 */
requestAnimationFrame = window.requestAnimationFrame ||
window.mozRequestAnimationFrame ||
window.webkitRequestAnimationFrame ||
window.msRequestAnimationFrame ||
window.oRequestAnimationFrame ||
function(callback) { setTimeout(callback, 1000 / 60); };
cancelAnimationFrame = window.cancelAnimationFrame ||
window.mozCancelAnimationFrame ||
window.webkitCancelAnimationFrame ||
window.msCancelAnimationFrame ||
window.oCancelAnimationFrame;
/* 开始下雪 */
snowFall.prototype.start = function(){
/* 创建画布 */
snowCanvas.apply(this);
/* 创建雪花形状 */
createFlakes.apply(this);
/* 画雪 */
drawSnow.apply(this)
}
/* 创建画布 */
function snowCanvas() {
/* 添加Dom结点 */
var snowcanvas = document.createElement("canvas");
snowcanvas.id = "snowfall";
snowcanvas.width = document.body.offsetWidth;
snowcanvas.height = window.innerHeight;
snowcanvas.setAttribute("style", "position:fixed; top: 0; left: 0; z-index: 9999; pointer-events: none;");
document.getElementsByTagName("body")[0].appendChild(snowcanvas);
this.canvas = snowcanvas;
this.ctx = snowcanvas.getContext("2d");
/* 窗口大小改变的处理 */
window.onresize = function() {
// snowcanvas.width = document.body.offsetWidth;
/* snowcanvas.height = window.innerHeight */
}
}
/* 雪运动对象 */
function flakeMove(canvasWidth, canvasHeight, flakeSize, fallSpeed) {
this.x = Math.floor(Math.random() * canvasWidth); /* x坐标 */
this.y = Math.floor(Math.random() * canvasHeight); /* y坐标 */
this.size = Math.random() * flakeSize + 2; /* 形状 */
this.maxSize = flakeSize; /* 最大形状 */
this.speed = Math.random() * 1 + fallSpeed; /* 坠落速度 */
this.fallSpeed = fallSpeed; /* 坠落速度 */
this.velY = this.speed; /* Y方向速度 */
this.velX = 0; /* X方向速度 */
this.stepSize = Math.random() / 30; /* 步长 */
this.step = 0 /* 步数 */
}
flakeMove.prototype.update = function() {
var x = this.x,
y = this.y;
/* 左右摆动(余弦) */
this.velX *= 0.98;
if (this.velY <= this.speed) {
this.velY = this.speed
}
this.velX += Math.cos(this.step += .05) * this.stepSize;
this.y += this.velY;
this.x += this.velX;
/* 飞出边界的处理 */
if (this.x >= canvas.width || this.x <= 0 || this.y >= canvas.height || this.y <= 0) {
this.reset(canvas.width, canvas.height)
}
};
/* 飞出边界-放置最顶端继续坠落 */
flakeMove.prototype.reset = function(width, height) {
this.x = Math.floor(Math.random() * width);
this.y = 0;
this.size = Math.random() * this.maxSize + 2;
this.speed = Math.random() * 1 + this.fallSpeed;
this.velY = this.speed;
this.velX = 0;
};
// 渲染雪花-随机形状（此处可修改雪花颜色！！！）
flakeMove.prototype.render = function(ctx) {
var snowFlake = ctx.createRadialGradient(this.x, this.y, 0, this.x, this.y, this.size);
snowFlake.addColorStop(0, "rgba(255, 255, 255, 0.9)"); /* 此处是雪花颜色，默认是白色 */
snowFlake.addColorStop(.5, "rgba(255, 255, 255, 0.5)"); /* 若要改为其他颜色，请自行查 */
snowFlake.addColorStop(1, "rgba(255, 255, 255, 0)"); /* 找16进制的RGB 颜色代码。 */
ctx.save();
ctx.fillStyle = snowFlake;
ctx.beginPath();
ctx.arc(this.x, this.y, this.size, 0, Math.PI * 2);
ctx.fill();
ctx.restore();
};
/* 创建雪花-定义形状 */
function createFlakes() {
var maxFlake = this.maxFlake,
flakes = this.flakes = [],
canvas = this.canvas;
for (var i = 0; i < maxFlake; i++) {
flakes.push(new flakeMove(canvas.width, canvas.height, this.flakeSize, this.fallSpeed))
}
}
/* 画雪 */
function drawSnow() {
var maxFlake = this.maxFlake,
flakes = this.flakes;
ctx = this.ctx, canvas = this.canvas, that = this;
/* 清空雪花 */
ctx.clearRect(0, 0, canvas.width, canvas.height);
for (var e = 0; e < maxFlake; e++) {
flakes.update();
flakes.render(ctx);
}
/* 一帧一帧的画 */
this.loop = requestAnimationFrame(function() {
drawSnow.apply(that);
});
}
/* 调用及控制方法 */
var snow = new snowFall({maxFlake:200});
snow.start();可以将代码内容保存到空间里并命名为snowflake.js然后使用代码调用它，该代码可以放在头部或尾部文件里
//粘贴到head或foot文件里
<script src="/snowflake.js"></script>//请根据实际路径修改也可以调用我的JS文件，代码如下
//粘贴到head或foot文件里
<script src="https://files.blog.lmb.blue/assets/js/snowflake.js"></script>此内容由惯性聚合(RSS阅读器)自动聚合整理，仅供阅读参考。 原文来自 — 版权归原作者所有。