html表白神器，动态浮动爱心，话不多说，直接看截图吧！
下面附上完整代码。别忘了点个赞哦！
我要评论<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>love</title>
<link href="favicon.ico" rel="shortcut icon" />
<style>
body{
overflow: hidden;
margin: 0;
}
h1{
position: fixed;
top: 50%;
left: 0;
width: 100%;
text-align: center;
transform:translatey(-50%);
font-family: 'love ya like a sister', cursive;
font-size: 40px;
color: #c70012;
padding: 0 20px;
}
h1 span{
font-size:20px;
}
</style>
</head>
<body>
<h1 id="h1"></h1>
<canvas></canvas>
<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,'2017/7/4'); // 在一起的时间
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 = nowtime-futruetime; // 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
// console.log(hour+":"+minute+":"+second)
// alert(hour)
obj.innerhtml="亲爱的<br>咱俩在一起的时间已经：<br>"+day+"天"+hour+"小时"+minute+"分"+second+"秒"+"了<br><span>一时间不知道从哪说起,真爱来了，我们要好好把握。<br>不管面临多大的压力,不管前面的路如何崎岖.<br>不管经历过什么,我仍坚信最浪漫的事就是和你一起慢慢变老.<br>相信中间的计时器,将永远继续下去,直至数据溢出.</span>"
return true;
}
</script>
</body>
</html>
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