这两天不知道咋了，迷迷糊糊的，突然知道今天是520的我，急急忙忙赶出个程序（新手，代码有点乱），发出来大家一起研究下（参考百度的）。

<!DOCTYPE html>

<html>

    <head>

        <meta charset="utf-8">

        <title>520</title>

        <style>

        html, body{padding:0px; margin:0px; background:#222; font-family: 'Karla', sans-serif; color:#FFF; height:100%; overflow:hidden;}

        canvas {width:100%; height:100%;}

        #text,#text_520{font-family:'楷体'; color:rgb(255,255,3); font-size:20px; position:fixed; left:10%; top:10%;}

        #text_520{font-size:100px; top:50%; left:50%;}

        img{position:fixed; top:0; left:0; width:100%;}

        #last{font-size:12px; bottom:10px; left:50%; position:fixed;}

        /*

        @keyframes drop {

           0% {

              transform: translateY(-100px);

              opacity: 0;

           }

           90% {

              opacity: 1;

              transform:translateY(10px);

           }

           100% {

              transform:translateY(0px;)

           }

        }

        */

        </style>

    </head>

    <body>

        <canvas id="c"></canvas>

        <div id="text"></div>

        <div id="text_520">5 2 0</div>

        <img src="./timg.jpg" class="img" />

        <div id="last">版权所有：李晓珂</div>

        <script type="text/javascript" src="./jquery-1.11.0.min.js"></script>

        <script type="text/javascript">

            function isIE(){

                var u = navigator.userAgent;

                if((u.indexOf("compatible") > -1 && u.indexOf("MSIE") > -1) || (u.indexOf("Trident") > -1 && u.indexOf("rv:11.0") > -1)){

                    alert("该浏览器暂不支持，请更换浏览器");

                    window.open('','_self');

                    window.close();

                }

                var audio = document.createElement("audio");

                    audio.setAttribute("src","./520-love.mp3");

                    audio.setAttribute("autoplay","autoplay");

            }

            isIE();

        </script>

        <script type="text/javascript">

                var textArr = [

                    'I love three things in this world,',

                    'the sun ,the moon and you.',

                    'The sun for the day,',

                    'the moon for the night,',

                    'and you forever!',

                    '',

                    'If you were a teardrop,',

                    'in my eye,',

                    'for fear of losing you,',

                    'I would never cry.',

                    'And if the golden sun,',

                    'should cease to shine its light,',

                    'just one smile from you,',

                    'would make my whole world bright.'

                ];

                var text_520 = document.getElementById('text_520');

                var height = (window.innerHeight - text_520.offsetHeight) / 2;

                var width = (window.innerWidth - text_520.offsetWidth) / 2;

                text_520.style.top = height + 'px';

                text_520.style.left = width + 'px';

                $('#text_520').hide();

                $('.img').hide();

                var m = 0;

                var n = 0;

                var text = document.getElementById('text');

                function typing(){

                    if(m <= textArr[n].length) {

                        text.innerHTML = text.innerHTML.substring(0,text.innerHTML.length-1) + textArr[n].substr(m++,1) + '_';

                        setTimeout(typing,250);

                    }else {

                        if(n < textArr.length-1){

                            text.innerHTML = text.innerHTML.substring(0,text.innerHTML.length-1) + "<br />_";

                            n++;

                            m = 0;

                            typing();

                        }else {

                            text.innerHTML = text.innerHTML.substring(0,text.innerHTML.length-1);

                            $('#text').fadeOut(5000);

                            setTimeout(function(){$('#text_520').fadeIn(5000);},7000);

                            setTimeout(function(){$('#text_520').fadeOut(5000); },7000);

                            setTimeout(function(){$('.img').fadeIn(50000);},15000)

                        }

                    }

                }

                setTimeout(typing,5000);

            var ctx = document.querySelector('canvas').getContext('2d');

                ctx.canvas.width = window.innerWidth;

                ctx.canvas.height = window.innerHeight;

            var sparks = [];

            var fireworks = [];

            var walker;

            fireworks.pop();

            var i = 10;

            while(i--) fireworks.push(new Firework(Math.random()*window.innerWidth, window.innerHeight*Math.random()));

            // setInterval(render, 1000/50);

            render();

            function render() {

                setTimeout(render, 1000/50);

                ctx.fillStyle = 'rgba(0, 0, 0, 0.2)';

                ctx.fillRect(0, 0, ctx.canvas.width, ctx.canvas.height);

                // 上升效果

                for(var firework of fireworks) {

                    if(firework.dead) continue;

                    firework.move();

                    firework.draw();

                }

                // 绽放效果

                for(var spark of sparks) {

                    if(spark.dead) continue;

                    spark.move();

                    spark.draw();

                }

                if(Math.random() < 0.1) fireworks.push(new Firework());

                //ctx.height = ctx.height;

            }

            function Spark(x, y, color) {

               this.x = x;

               this.y = y;

               this.dir = Math.random() * (Math.PI*2);

               this.dead = false;

               this.color = color;

               this.speed = Math.random() * 3 + 3;

               walker = new Walker({ radius: 20, speed: 0.25 });

               this.gravity = 0.25;

               this.dur = this.speed / 0.15;

               this.move = function() {

                  this.dur--;

                  if(this.dur < 0) this.dead = true;

                  if(this.speed < 0) return;

                  if(this.speed > 0) this.speed -= 0.15;

                  walk = walker.step();

                  this.x += Math.cos(this.dir + walk) * this.speed;

                  this.y += Math.sin(this.dir + walk) * this.speed;

                  this.y += this.gravity;

                  this.gravity += 0.05;

               }

               this.draw = function() {

                  drawCircle(this.x, this.y, 2, this.color);

               }

            }

            function Firework(x, y) {

               this.xmove = Math.random()*2 - 1;

               this.x = x || Math.random() * ctx.canvas.width;

               this.y = y || ctx.canvas.height;

               this.height = Math.random()*ctx.canvas.height/2;

               this.dead = false;

               this.color = randomColor();

               this.move = function() {

                  this.x += this.xmove;

                  if(this.y > this.height) this.y -= 4;

                  else this.burst();

               }

               this.draw = function() {

                  drawCircle(this.x, this.y, 3, this.color)

               }

               this.burst = function() {

                  this.dead = true

                  i = 100; while(i--) sparks.push(new Spark(this.x, this.y, this.color));

                  sparks.pop();

               }

            }

            setTimeout(function (){window.open('','_self').close();},175000);

/*

            // 清除两个数组

            function clear(){

                if(sparks!=null || fireworks!=null){

                    sparks.pop();

                    fireworks.pop();

                }

                var sparks = [];

                var fireworks = [];

            }

            setInterval(clear,100);

             */

            function drawCircle(x, y, radius, color) {

               color = color || '#FFF';

               ctx.fillStyle = color;

               ctx.fillRect(x-radius/2, y-radius/2, radius, radius);

            }

            function randomColor(){

               return ['#6ae5ab','#88e3b2','#36b89b','#7bd7ec','#66cbe1'][Math.floor(Math.random() * 5)];

            }

            function Walker(options){

               this.step = function(){

                  this.direction = Math.sign(this.target) * this.speed

                  this.value += this.direction

                  this.target

                     ? this.target -= this.direction

                     : (this.value)

                        ? (this.wander)

                           ? this.target = this.newTarget()

                           : this.target = -this.value

                        : this.target = this.newTarget()

                  return this.direction

               }

               this.newTarget = function() {

                  return Math.round(Math.random()*(this.radius*2)-this.radius)

               }

               this.start = 0

               this.value = 0

               this.radius = options.radius

               this.target = this.newTarget()

               this.direction = Math.sign(this.target)

               this.wander = options.wander

               this.speed = options.speed || 1

            }

        </script>

    </body>

</html>

520 简单表白代码(JS)的更多相关文章

  1. JS Map 和 List 的简单实现代码

    javascript中是没有map和list 结构的. 本篇文章是对在JS中Map和List的简单实现代码进行了详细的分析介绍,需要的朋友参考下 代码如下: /* * MAP对象,实现MAP功能 *  ...

  2. LayaAir引擎开发HTML5最简单教程(面向JS开发者)

    LayaAir引擎开发HTML5最简单教程(面向JS开发者) 一.总结 一句话总结:开发游戏还是得用游戏引擎来开发,其实很简单啦 切记:开发游戏还是得用游戏引擎来开发,其实很简单,引擎很多东西都帮你做 ...

  3. 用简单的 Node.js 后台程序浅析 HTTP 请求与响应

    用简单的 Node.js 后台程序浅析 HTTP 请求与响应 本文写于 2020 年 1 月 18 日 我们来看两种方式发送 HTTP 请求,一种呢,是命令行的 curl 命令:一种呢是直接在浏览器的 ...

  4. Lucene.net站内搜索—3、最简单搜索引擎代码

    目录 Lucene.net站内搜索—1.SEO优化 Lucene.net站内搜索—2.Lucene.Net简介和分词Lucene.net站内搜索—3.最简单搜索引擎代码Lucene.net站内搜索—4 ...

  5. python网页请求urllib2模块简单封装代码

    这篇文章主要分享一个python网页请求模块urllib2模块的简单封装代码. 原文转自:http://www.jbxue.com/article/16585.html 对python网页请求模块ur ...

  6. tensorflow rnn 最简单实现代码

    tensorflow rnn 最简单实现代码 #!/usr/bin/env python # -*- coding: utf-8 -*- import tensorflow as tf from te ...

  7. 简单 php 代码跟踪调试实现

    简单 php 代码跟踪调试实现 debug_backtrace:生成回溯 debug_print_backtrace:打印回溯 1. debug_backtrace ($options = DEBUG ...

  8. opencart3属性attribute实现换行等简单html代码

    opencart3属性attribute在前台页面默认是没有解析html代码功能的,比如想实现换行,后台这样写:line 1<br>line 2,但前台产品页也是line 1<br& ...

  9. 依然是关于我空间那篇申请的日志《JavaScript axError：Unexpected token ILLEGAL 很简单的代码……》

    接下来要讲的日志现在的标题已经更改为<很简单的代码,但是无法--> 这篇日志地址:http://www.cnblogs.com/herbertchina/p/4475092.html 经过 ...

随机推荐

  1. mybatis学习 十三 resultMap标签 一对一

    1 .<resultMap>标签 写在mapper.xml中,由程序员控制SQL查询结果与实体类的映射关系. 在写<select>标签中,有一个resultType属性,此时s ...

  2. 证明2x2正交矩阵专置后还是正交矩阵

    [ x1  x2 y1   y2] x1^2+y1^2=1 x2^2 + y2^2=1 x1*x2  + y1*y2=0 如果专置后还是 x1^2 + x2^2=1 y1^2  +y2^2=1 x1* ...

  3. latex字体

    强调 方式:声明:\em 或者 命令\emph,后者是latex2e的命令 区别:声明与命令的作用范围不同:\em改变当前字体直到被其他相应的声明取消(也可以是\em本身),或者当前的环境结束为止,当 ...

  4. ip route 解释

    [root@localhost ~]# ip route default via 172.16.0.1 dev ens192 proto static metric 100 172.16.0.0/16 ...

  5. .Net 导出Excel时设置单元格的格式为文本类型

    <td style= 'vnd.ms-excel.numberformat:@ ' align='right'>" & Format(Val(rowTitle.Item( ...

  6. keras CNN解读

    loss是训练集损失值.  acc是训练集准确率.val_loss是测试集上的损失值,val_acc是测试集上的准确率. 用深度学习框架跑过实际问题的朋友一定有这样的感觉: 太神奇了, 它竟然能自己学 ...

  7. Ng第十二课：支持向量机(Support Vector Machines)（一）

    1 目录 支持向量机基本上是最好的有监督学习算法了,从logistic回归出发,引出了SVM,揭示模型间的联系,过渡自然. 2 重新审视logistic回归 Logistic回归目的是从特征学习出一个 ...

  8. Magic Powder - 2 （CF 670_D）

    http://codeforces.com/problemset/problem/670/D2 The term of this problem is the same as the previous ...

  9. lowbit(x)

    int Lowbit(int x) { return x&(-x); } lowbit当中x,-x,补码,反码,傻傻分不清楚.我们先看看两个二进制数相减的问题 两个二进制数相减的相关问题 两个 ...

  10. 微信小程序-button组件

    主要属性: 注:button-hover 默认为{background-color: rgba(0, 0, 0, 0.1); opacity: 0.7;} 效果图: ml: <!--默认的but ...