520表白酷炫html

html表白神器，动态浮动爱心，话不多说，直接看
<!doctype html>
<html>

    <head>
        <meta charset="utf-8">
        <title>我爱你</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, '2018/6/7'); // 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 = "亲爱藏藏的<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,<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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