2022跨年-跨年倒计时(烟花)

前言

2022 HAPPY NEW YEAR
马上都是新的一年了,岁末已至,是结束也是开始,不管这一年好和坏,都将结束,愿来年有趣有盼,无灾无难,你我都要平安才好,善良勇敢

跨年倒计时制作步骤
步骤一:
首先在电脑桌面新建txt文本文档,如下
2022跨年-跨年倒计时(烟花)_第1张图片
步骤二:
在文本文档添加如下代码:其中倒计时界面会显示愿来年有趣有盼,无灾无难,你我都要平安才好等祝福语,同时会有背景音乐

<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>新年快乐</title><!-- 这是网页标题 -->
<style>
body{
  overflow: hidden;
  margin: 0;
}
h1{
  position: fixed;
  top: 30%;
  left: 0;
  width: 100%;
  text-align: center;
  transform:translateY(-50%);
  font-family: 'Love Ya Like A Sister', cursive;
  font-size: 60px;
  color: #c70012;
  padding: 0 20px;
}
h1 span{
  position: fixed;
  left: 0;
  width: 100%;
  text-align: center;
margin-top:30px;
    font-size:40px;
}
</style>

</head>
<body>
<h1 id="h1"></h1>
<canvas></canvas> <!--canvas 画布-->
<script>
var canvas = document.querySelector("canvas"),
  ctx = canvas.getContext("2d");
var ww,wh;
function onResize(){
  ww = canvas.width = window.innerWidth;
  wh = canvas.height = window.innerHeight;
}
ctx.strokeStyle = "red";
ctx.shadowBlur = 25;
ctx.shadowColor = "hsla(0, 100%, 60%,0.5)";
var precision = 100;
var hearts = [];
var mouseMoved = false;
function onMove(e){
  mouseMoved = true;
  if(e.type === "touchmove"){
    hearts.push(new Heart(e.touches[0].clientX, e.touches[0].clientY));
    hearts.push(new Heart(e.touches[0].clientX, e.touches[0].clientY));
  }
  else{
    hearts.push(new Heart(e.clientX, e.clientY));
    hearts.push(new Heart(e.clientX, e.clientY));
  }
}

var Heart = function(x,y){
  this.x = x || Math.random()*ww;
  this.y = y || Math.random()*wh;
  this.size = Math.random()*2 + 1;
  this.shadowBlur = Math.random() * 10;
  this.speedX = (Math.random()+0.2-0.6) * 8;
  this.speedY = (Math.random()+0.2-0.6) * 8;
  this.speedSize = Math.random()*0.05 + 0.01;
  this.opacity = 1;
  this.vertices = [];
  for (var i = 0; i < precision; i++) {
    var step = (i / precision - 0.5) * (Math.PI * 2);
    var vector = {
      x : (15 * Math.pow(Math.sin(step), 3)),
      y : -(13 * Math.cos(step) - 5 * Math.cos(2 * step) - 2 * Math.cos(3 * step) - Math.cos(4 * step)) 
    }
    this.vertices.push(vector);
  }
}

Heart.prototype.draw = function(){
  this.size -= this.speedSize;
  this.x += this.speedX;
  this.y += this.speedY;
  ctx.save();
  ctx.translate(-1000,this.y);
  ctx.scale(this.size, this.size);
  ctx.beginPath();
  for (var i = 0; i < precision; i++) {
    var vector = this.vertices[i];
    ctx.lineTo(vector.x, vector.y);
  }
  ctx.globalAlpha = this.size;
  ctx.shadowBlur = Math.round((3 - this.size) * 10);
  ctx.shadowColor = "hsla(0, 100%, 60%,0.5)";
  ctx.shadowOffsetX = this.x + 1000;
  ctx.globalCompositeOperation = "screen"
  ctx.closePath();
  ctx.fill()
  ctx.restore();
};
function render(a){
  requestAnimationFrame(render);
  hearts.push(new Heart())
  ctx.clearRect(0,0,ww,wh);
  for (var i = 0; i < hearts.length; i++) {
    hearts[i].draw();
    if(hearts[i].size <= 0){
      hearts.splice(i,1);
      i--;
    }
  }
}
onResize();
window.addEventListener("mousemove", onMove);
window.addEventListener("touchmove", onMove);
window.addEventListener("resize", onResize);
requestAnimationFrame(render);

window.onload=function starttime(){
        time(h1,'2022/2/1');     // 2022年春节时间
        ptimer = setTimeout(starttime,1000); // 添加计时器
}
    function time(obj,futimg){
        var nowtime = new Date().getTime(); // 现在时间转换为时间戳
        var futruetime =  new Date(futimg).getTime(); // 未来时间转换为时间戳
        var msec = futruetime-nowtime; // 毫秒 未来时间-现在时间
        var time = (msec/1000);  // 毫秒/1000
        var day = parseInt(time/86400); // 天  24*60*60*1000 
        var hour = parseInt(time/3600)-24*day;    // 小时 60*60 总小时数-过去的小时数=现在的小时数 
        var minute = parseInt(time%3600/60); // 分 -(day*24) 以60秒为一整份 取余 剩下秒数 秒数/60 就是分钟数
        var second = parseInt(time%60);  // 以60秒为一整份 取余 剩下秒数
        obj.innerHTML="
现在距离2022年还有:
"
+day+"天"+hour+"小时"+minute+"分"+second+"秒"+"
一列跨年小火车欢快的驶来,
秃秃秃秃秃秃秃秃秃秃
原来年有趣有盼,无灾无难,
你我都要平安才好
"
return true; } </script> <audio autoplay="autoplay" loop="loop" preload="auto" src=" http://music.163.com/song/media/outer/url?id=1851244378.mp3"> </audio> </body> </html>

步骤三:
将txt文本文档修改为html文档,如下
2022跨年-跨年倒计时(烟花)_第2张图片
步骤四:
最后双击打开,就会有如下界面
2022跨年-跨年倒计时(烟花)_第3张图片

注意:
跨年倒计时可以使用360浏览器,qq浏览器以及其他打开,跨年链接可以手机电脑打开,在代码里添加音乐链接时注意链接正确,完成制作后通过微信,QQ发送好友,好友便可以和你一起跨年咯

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