七夕代码情诗 | 用代码把浪漫的话说给她听

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表白代码

html没有引用css和js,如果需要正常使用需要外联。

  • 码上掘金有些渲染不出来,先看正常效果

20220806190123.gif

html


![20220806190123.gif](https://p9-juejin.byteimg.com/tos-cn-i-k3u1fbpfcp/4ba61abce9f84d36aa4849ea47efecac~tplv-k3u1fbpfcp-watermark.image?)
<!DOCTYPE html>
<html>
<head>
    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
    <title>to my goddess</title>
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0">
  
</head>

<body>
<!--更改为你女朋友的头像-->
<div class="cs">
    <img src="https://gimg2.baidu.com/image_search/src=http%3A%2F%2Fp3.itc.cn%2Fq_70%2Fimages01%2F20210814%2F095379fa8d4b479aa08e39908a5d0b6b.png&refer=http%3A%2F%2Fp3.itc.cn&app=2002&size=f9999,10000&q=a80&n=0&g=0n&fmt=auto?sec=1662174757&t=82e145d7492b6af394e5354f7061c849" id="logo">
</div>
<div class="music">
    <iframe frameborder="no" border="0" marginwidth="0" marginheight="0" width=298 height=52 src="https://music.163.com/outchain/player?type=2&id=1474411443&auto=1&height=32"></iframe>
    <iframe frameborder="no" border="0" marginwidth="0" marginheight="0" width=298 height=52 src="https://music.163.com/outchain/player?type=2&id=253029&auto=1&height=32"></iframe>
</div>

<canvas class="canvas" width="1820" height="905"></canvas>
<p class="text" style="color: #FFCCCC;">
   纤云弄巧,飞星传恨,银汉迢迢暗度。



金风玉露一相逢,便胜却人间无数。



柔情似水,佳期如梦,忍顾鹊桥归路!



两情若是久长时,又岂在朝朝暮暮。
    <br/>
   我们相爱已经:
    <br/>
    <span id="span_dt_dt"></span>
</p>

<!--音乐可改-->
<!-- <iframe frameborder="no" border="0" marginwidth="0" marginheight="0" width=330 height=86 src="//music.163.com/outchain/player?type=2&id=1474411443&auto=1&height=66"></iframe> -->
<audio autoplay="autoplay" loop="loop">
    <!-- <source src="http://m10.music.126.net/20180509183512/5ae461e9a42675d782840bf139b05c60/ymusic/e492/ea7a/6a27/8799d19e52d9bbe3ae15febb03d7efdb.mp3" type="audio/mpeg"> -->
</audio>
</body>
</html>


js

    var S = {
        init: function () {
            S.Drawing.init('.canvas');
            var a =Math.floor(Math.random() * 5+1);
			// 想说的话
            if (a==1) {
                document.body.classList.add('body--ready');
                alert("亲爱的~,七夕情人节快乐"); 
                S.UI.simulate("翻开记忆的日记|页页念叨的是你|烙在大脑的记忆|挥洒不去|愿你七夕情人节快乐|#time");
            }else if (a==2){
                document.body.classList.add('body--ready1');
                alert("亲爱的~,七夕情人节快乐"); 
                S.UI.simulate("#conutdown 3|我爱你|#time");               
            }else if (a==3) {
                 document.body.classList.add('body--ready2');
                 alert("亲爱的~,七夕情人节快乐"); 
                 S.UI.simulate("今年七夕|我|陪你|度过|#countdown 5|#time");                
            }else if (a==4) {
                 document.body.classList.add('body--ready3');
                 alert("亲爱的~,七夕情人节快乐"); 
                 S.UI.simulate("我是人间,你便是我的四月天|我是漂泊的船,你便是我的帆|你是风花雪月|我是人间少年|#countdown 3|#time");
            }else{
                 document.body.classList.add('body--ready4');
                 alert("亲爱的~,七夕情人节快乐"); 
                 S.UI.simulate("往后余生是你便足以");                
            }

            S.Drawing.loop(function () {
                S.Shape.render();
            });
        }
    };
    S.Drawing = (function () {
        var canvas,
            context,
            renderFn,
            requestFrame = window.requestAnimationFrame ||
                window.webkitRequestAnimationFrame ||
                window.mozRequestAnimationFrame ||
                window.oRequestAnimationFrame ||
                window.msRequestAnimationFrame ||
                function (callback) {
                    window.setTimeout(callback, 1000 / 60);
                };
        return {
            init: function (el) {
                canvas = document.querySelector(el);
                context = canvas.getContext('2d');
                this.adjustCanvas();
                window.addEventListener('resize', function (e) {
                    S.Drawing.adjustCanvas();
                });
            },
            loop: function (fn) {
                renderFn = !renderFn ? fn : renderFn;
                this.clearFrame();
                renderFn();
                requestFrame.call(window, this.loop.bind(this));
            },
            adjustCanvas: function () {
                canvas.width = window.innerWidth - 100;
                canvas.height = window.innerHeight - 30;
            },
            clearFrame: function () {
                context.clearRect(0, 0, canvas.width, canvas.height);
            },
            getArea: function () {
                return {w: canvas.width, h: canvas.height};
            },
            drawCircle: function (p, c) {
                context.fillStyle = c.render();
                context.beginPath();
                context.arc(p.x, p.y, p.z, 0, 2 * Math.PI, true);
                context.closePath();
                context.fill();
            }
        };
    }());
    S.UI = (function () {
        var interval,
            currentAction,
            time,
            maxShapeSize = 30,
            sequence = [],
            cmd = '#';
        function formatTime(date) {
            var h = date.getHours(),
                m = date.getMinutes(),
                m = m < 10 ? '0' + m : m;
            return h + ':' + m;
        }
        function getValue(value) {
            return value && value.split(' ')[1];
        }
        function getAction(value) {
            value = value && value.split(' ')[0];
            return value && value[0] === cmd && value.substring(1);
        }
        function timedAction(fn, delay, max, reverse) {
            clearInterval(interval);
            currentAction = reverse ? max : 1;
            fn(currentAction);
            if (!max || (!reverse && currentAction < max) || (reverse && currentAction > 0)) {
                interval = setInterval(function () {
                    currentAction = reverse ? currentAction - 1 : currentAction + 1;
                    fn(currentAction);
                    if ((!reverse && max && currentAction === max) || (reverse && currentAction === 0)) {
                        clearInterval(interval);
                    }
                }, delay);
            }
        }
        function performAction(value) {
            var action,
                value,
                current;
            sequence = typeof (value) === 'object' ? value : sequence.concat(value.split('|'));
            timedAction(function (index) {
                current = sequence.shift();
                action = getAction(current);
                value = getValue(current);
                switch (action) {
                    case 'countdown':
                        value = parseInt(value) || 10;
                        value = value > 0 ? value : 10;
                        timedAction(function (index) {
                            if (index === 0) {
                                if (sequence.length === 0) {
                                    S.Shape.switchShape(S.ShapeBuilder.letter(''));
                                } else {
                                    performAction(sequence);
                                }
                            } else {
                                S.Shape.switchShape(S.ShapeBuilder.letter(index), true);
                            }
                        }, 1000, value, true);
                        break;
                    case 'rectangle':
                        value = value && value.split('x');
                        value = (value && value.length === 2) ? value : [maxShapeSize, maxShapeSize / 2];
                        S.Shape.switchShape(S.ShapeBuilder.rectangle(Math.min(maxShapeSize, parseInt(value[0])), Math.min(maxShapeSize, parseInt(value[1]))));
                        break;
                    case 'circle':
                        value = parseInt(value) || maxShapeSize;
                        value = Math.min(value, maxShapeSize);
                        S.Shape.switchShape(S.ShapeBuilder.circle(value));
                        break;
                    case 'time':
                        var t = formatTime(new Date());
                        if (sequence.length > 0) {
                            S.Shape.switchShape(S.ShapeBuilder.letter(t));
                        } else {
                            timedAction(function () {
                                t = formatTime(new Date());
                                if (t !== time) {
                                    time = t;
                                    S.Shape.switchShape(S.ShapeBuilder.letter(time));
                                }
                            }, 1000);
                        }
                        break;
                    default:
                        S.Shape.switchShape(S.ShapeBuilder.letter(current[0] === cmd ? 'HacPai' : current));
                }
            }, 2000, sequence.length);
        }
        return {
            simulate: function (action) {
                performAction(action);
            }
        };
    }());
    S.Point = function (args) {
        this.x = args.x;
        this.y = args.y;
        this.z = args.z;
        this.a = args.a;
        this.h = args.h;
    };
    S.Color = function (r, g, b, a) {
        this.r = r;
        this.g = g;
        this.b = b;
        this.a = a;
    };
    S.Color.prototype = {
        render: function () {
            return 'rgba(' + this.r + ',' + +this.g + ',' + this.b + ',' + this.a + ')';
        }
    };
    S.Dot = function (x, y) {
        this.p = new S.Point({
            x: x,
            y: y,
            z: 5,
            a: 1,
            h: 0
        });
        this.e = 0.07;
        this.s = true;
        this.c = new S.Color(255, 255, 255, this.p.a);
        this.t = this.clone();
        this.q = [];
    };
    S.Dot.prototype = {
        clone: function () {
            return new S.Point({
                x: this.x,
                y: this.y,
                z: this.z,
                a: this.a,
                h: this.h
            });
        },
        _draw: function () {
            this.c.a = this.p.a;
            S.Drawing.drawCircle(this.p, this.c);
        },
        _moveTowards: function (n) {
            var details = this.distanceTo(n, true),
                dx = details[0],
                dy = details[1],
                d = details[2],
                e = this.e * d;
            if (this.p.h === -1) {
                this.p.x = n.x;
                this.p.y = n.y;
                return true;
            }
            if (d > 1) {
                this.p.x -= ((dx / d) * e);
                this.p.y -= ((dy / d) * e);
            } else {
                if (this.p.h > 0) {
                    this.p.h--;
                } else {
                    return true;
                }
            }
            return false;
        },
        _update: function () {
            if (this._moveTowards(this.t)) {
                var p = this.q.shift();
                if (p) {
                    this.t.x = p.x || this.p.x;
                    this.t.y = p.y || this.p.y;
                    this.t.z = p.z || this.p.z;
                    this.t.a = p.a || this.p.a;
                    this.p.h = p.h || 0;
                } else {
                    if (this.s) {
                        this.p.x -= Math.sin(Math.random() * 3.142);
                        this.p.y -= Math.sin(Math.random() * 3.142);
                    } else {
                        this.move(new S.Point({
                            x: this.p.x + (Math.random() * 50) - 25,
                            y: this.p.y + (Math.random() * 50) - 25
                        }));
                    }
                }
            }
            d = this.p.a - this.t.a;
            this.p.a = Math.max(0.1, this.p.a - (d * 0.05));
            d = this.p.z - this.t.z;
            this.p.z = Math.max(1, this.p.z - (d * 0.05));
        },
        distanceTo: function (n, details) {
            var dx = this.p.x - n.x,
                dy = this.p.y - n.y,
                d = Math.sqrt(dx * dx + dy * dy);
            return details ? [dx, dy, d] : d;
        },
        move: function (p, avoidStatic) {
            if (!avoidStatic || (avoidStatic && this.distanceTo(p) > 1)) {
                this.q.push(p);
            }
        },
        render: function () {
            this._update();
            this._draw();
        }
    };
    S.ShapeBuilder = (function () {
        var gap = 13,
            shapeCanvas = document.createElement('canvas'),
            shapeContext = shapeCanvas.getContext('2d'),
            fontSize = 500,
            fontFamily = 'Avenir, Helvetica Neue, Helvetica, Arial, sans-serif';
        function fit() {
            shapeCanvas.width = Math.floor(window.innerWidth / gap) * gap;
            shapeCanvas.height = Math.floor(window.innerHeight / gap) * gap;
            shapeContext.fillStyle = 'red';
            shapeContext.textBaseline = 'middle';
            shapeContext.textAlign = 'center';
        }
        function processCanvas() {
            var pixels = shapeContext.getImageData(0, 0, shapeCanvas.width, shapeCanvas.height).data;
            dots = [],
                pixels,
                x = 0,
                y = 0,
                fx = shapeCanvas.width,
                fy = shapeCanvas.height,
                w = 0,
                h = 0;
            for (var p = 0; p < pixels.length; p += (4 * gap)) {
                if (pixels[p + 3] > 0) {
                    dots.push(new S.Point({
                        x: x,
                        y: y
                    }));
                    w = x > w ? x : w;
                    h = y > h ? y : h;
                    fx = x < fx ? x : fx;
                    fy = y < fy ? y : fy;
                }
                x += gap;
                if (x >= shapeCanvas.width) {
                    x = 0;
                    y += gap;
                    p += gap * 4 * shapeCanvas.width;
                }
            }
            return {dots: dots, w: w + fx, h: h + fy};
        }
        function setFontSize(s) {
            shapeContext.font = 'bold ' + s + 'px ' + fontFamily;
        }
        function isNumber(n) {
            return !isNaN(parseFloat(n)) && isFinite(n);
        }
        function init() {
            fit();
            window.addEventListener('resize', fit);
        }
        // Init
        init();
        return {
            imageFile: function (url, callback) {
                var image = new Image(),
                    a = S.Drawing.getArea();
                image.onload = function () {
                    shapeContext.clearRect(0, 0, shapeCanvas.width, shapeCanvas.height);
                    shapeContext.drawImage(this, 0, 0, a.h * 0.6, a.h * 0.6);
                    callback(processCanvas());
                };
                image.onerror = function () {
                    callback(S.ShapeBuilder.letter('What?'));
                };
                image.src = url;
            },
            circle: function (d) {
                var r = Math.max(0, d) / 2;
                shapeContext.clearRect(0, 0, shapeCanvas.width, shapeCanvas.height);
                shapeContext.beginPath();
                shapeContext.arc(r * gap, r * gap, r * gap, 0, 2 * Math.PI, false);
                shapeContext.fill();
                shapeContext.closePath();
                return processCanvas();
            },
            letter: function (l) {
                var s = 0;
                setFontSize(fontSize);
                s = Math.min(fontSize,
                    (shapeCanvas.width / shapeContext.measureText(l).width) * 0.8 * fontSize,
                    (shapeCanvas.height / fontSize) * (isNumber(l) ? 1 : 0.45) * fontSize);
                setFontSize(s);
                shapeContext.clearRect(0, 0, shapeCanvas.width, shapeCanvas.height);
                shapeContext.fillText(l, shapeCanvas.width / 2, shapeCanvas.height / 2);
                return processCanvas();
            },
            rectangle: function (w, h) {
                var dots = [],
                    width = gap * w,
                    height = gap * h;
                for (var y = 0; y < height; y += gap) {
                    for (var x = 0; x < width; x += gap) {
                        dots.push(new S.Point({
                            x: x,
                            y: y
                        }));
                    }
                }
                return {dots: dots, w: width, h: height};
            }
        };
    }());
    S.Shape = (function () {
        var dots = [],
            width = 0,
            height = 0,
            cx = 0,
            cy = 0;
        function compensate() {
            var a = S.Drawing.getArea();
            cx = a.w / 2 - width / 2;
            cy = a.h / 2 - height / 2;
        }
        return {
            shuffleIdle: function () {
                var a = S.Drawing.getArea();
                for (var d = 0; d < dots.length; d++) {
                    if (!dots[d].s) {
                        dots[d].move({
                            x: Math.random() * a.w,
                            y: Math.random() * a.h
                        });
                    }
                }
            },
            switchShape: function (n, fast) {
                var size,
                    a = S.Drawing.getArea();
                width = n.w;
                height = n.h;
                compensate();
                if (n.dots.length > dots.length) {
                    size = n.dots.length - dots.length;
                    for (var d = 1; d <= size; d++) {
                        dots.push(new S.Dot(a.w / 2, a.h / 2));
                    }
                }
                var d = 0,
                    i = 0;
                while (n.dots.length > 0) {
                    i = Math.floor(Math.random() * n.dots.length);
                    dots[d].e = fast ? 0.25 : (dots[d].s ? 0.14 : 0.11);
                    if (dots[d].s) {
                        dots[d].move(new S.Point({
                            z: Math.random() * 20 + 10,
                            a: Math.random(),
                            h: 18
                        }));
                    } else {
                        dots[d].move(new S.Point({
                            z: Math.random() * 5 + 5,
                            h: fast ? 18 : 30
                        }));
                    }
                    dots[d].s = true;
                    dots[d].move(new S.Point({
                        x: n.dots[i].x + cx,
                        y: n.dots[i].y + cy,
                        a: 1,
                        z: 5,
                        h: 0
                    }));
                    n.dots = n.dots.slice(0, i).concat(n.dots.slice(i + 1));
                    d++;
                }
                for (var i = d; i < dots.length; i++) {
                    if (dots[i].s) {
                        dots[i].move(new S.Point({
                            z: Math.random() * 20 + 10,
                            a: Math.random(),
                            h: 20
                        }));
                        dots[i].s = false;
                        dots[i].e = 0.04;
                        dots[i].move(new S.Point({
                            x: Math.random() * a.w,
                            y: Math.random() * a.h,
                            a: 0.3, //.4
                            z: Math.random() * 4,
                            h: 0
                        }));
                    }
                }
            },
            render: function () {
                for (var d = 0; d < dots.length; d++) {
                    dots[d].render();
                }
            }
        };
    }());
    S.init();
function show_date_time() {
        window.setTimeout("show_date_time()", 1000);
        BirthDay = new Date("8/08/2020 00:00:00");//这个日期是可以修改的
        today = new Date();
        timeold = (today.getTime() - BirthDay.getTime());
        sectimeold = timeold / 1000
        secondsold = Math.floor(sectimeold);
        msPerDay = 24 * 60 * 60 * 1000
        e_daysold = timeold / msPerDay
        daysold = Math.floor(e_daysold);
        e_hrsold = (e_daysold - daysold) * 24;
        hrsold = Math.floor(e_hrsold);
        e_minsold = (e_hrsold - hrsold) * 60;
        minsold = Math.floor((e_hrsold - hrsold) * 60);
        seconds = Math.floor((e_minsold - minsold) * 60);
        span_dt_dt.innerHTML = daysold + "days  " + hrsold + "hours  " + minsold + "minutes  " + seconds + "seconds  ";
    }
    show_date_time();

css:

html {
            height: 100%;
        }
        body {
            font-family: "Helvetica Neue", "Luxi Sans", "DejaVu Sans", Tahoma, "Hiragino Sans GB", "Microsoft Yahei", sans-serif;
            letter-spacing: 1.2px;
            margin: 0;
        }
        a {
            color: #ebf7f4;
        }
        .body--ready {
            background: -webkit-linear-gradient(top, rgb(203, 235, 219) 0%, rgb(55, 148, 192) 0%);
            background: -moz-linear-gradient(top, rgb(203, 235, 219) 0%, rgb(55, 148, 192) 0%);
            background: -o-linear-gradient(top, rgb(203, 235, 219) 0%, rgb(55, 148, 192) 0%);
            background: -ms-linear-gradient(top, rgb(203, 235, 219) 0%, rgb(55, 148, 192) 0%);
            background: linear-gradient(top, rgb(203, 235, 219) 0%, rgb(55, 148, 192) 0%);
        }
         .body--ready1 {
            background: -webkit-linear-gradient(top, rgb(203, 235, 219) 0%, rgb(55, 148, 192) 30%);
            background: -moz-linear-gradient(top, rgb(203, 235, 219) 0%, rgb(55, 148, 192) 30%);
            background: -o-linear-gradient(top, rgb(203, 235, 219) 0%, rgb(55, 148, 192) 30%);
            background: -ms-linear-gradient(top, rgb(203, 235, 219) 0%, rgb(55, 148, 192) 30%);
            background: linear-gradient(top, rgb(203, 235, 219) 0%, rgb(55, 148, 192) 30%);
        }
        .body--ready2 {
            background: -webkit-linear-gradient(top, rgb(203, 235, 219) 0%, rgb(55, 148, 192) 60%);
            background: -moz-linear-gradient(top, rgb(203, 235, 219) 0%, rgb(55, 148, 192) 60%);
            background: -o-linear-gradient(top, rgb(203, 235, 219) 0%, rgb(55, 148, 192) 60%);
            background: -ms-linear-gradient(top, rgb(203, 235, 219) 0%, rgb(55, 148, 192) 60%);
            background: linear-gradient(top, rgb(203, 235, 219) 0%, rgb(55, 148, 192) 60%);
        }
        .body--ready3 {
            background: -webkit-linear-gradient(top, rgb(203, 235, 219) 0%, rgb(55, 148, 192) 90%);
            background: -moz-linear-gradient(top, rgb(203, 235, 219) 0%, rgb(55, 148, 192) 90%);
            background: -o-linear-gradient(top, rgb(203, 235, 219) 0%, rgb(55, 148, 192) 90%);
            background: -ms-linear-gradient(top, rgb(203, 235, 219) 0%, rgb(55, 148, 192) 90%);
            background: linear-gradient(top, rgb(203, 235, 219) 0%, rgb(55, 148, 192) 90%);
        }

        .body--ready4 {
            background: -webkit-linear-gradient(top, rgb(203, 235, 219) 0%, rgb(55, 148, 192) 120%);
            background: -moz-linear-gradient(top, rgb(203, 235, 219) 0%, rgb(55, 148, 192) 120%);
            background: -o-linear-gradient(top, rgb(203, 235, 219) 0%, rgb(55, 148, 192) 120%);
            background: -ms-linear-gradient(top, rgb(203, 235, 219) 0%, rgb(55, 148, 192) 120%);
            background: linear-gradient(top, rgb(203, 235, 219) 0%, rgb(55, 148, 192) 120%);
        }                
/*         .text {
    position: fixed;
    bottom: 100px;
    text-align: center;
    width: 100%;
} */
        .canvas {
            margin: 0 auto;
            display: block;
        }
        img#logo {
            width: 128px;
            background-size: cover;
            border-radius: 200px;
            box-shadow: 0px 0px 40px rgba(63, 81, 181, 0.72);
            border: 3px solid #00a0ff;
            opacity: 1;
            margin: 0 auto;
            margin-top: 45px;
            margin-bottom: 20px;
            transition: all 1.0s;
        }
        #logo:hover {
            box-shadow: 0 0 10px #fff;
            -webkit-box-shadow: 0 0 19px #fff;
            transform: rotate(360deg);
            -ms-transform: rotate(360deg); /* IE 9 */
            -moz-transform: rotate(360deg); /* Firefox */
            -webkit-transform: rotate(360deg); /* Safari 和 Chrome */
            -o-transform: rotate(360deg); /* Opera */
            filter: progid:DXImageTransform.Microsoft.BasicImage(rotation=3);
        }
        .cs {
            width: 100%;
            height: 100%;
            margin: 0 auto;
            position: absolute;
            text-align: center;
        }
         .music {
            width: 100%;
            height: 100%;
            margin: 0 auto;          
            position: absolute;
            text-align: center;
        }
        .text {
            position: fixed;
            bottom: 80px;
            text-align: center;
            width: 100%;
            font-weight: bold;
        }
        .text-right {
            position: fixed;
            bottom: 50px;
            text-align: right;
            width: 100%;
            font-weight: bold;
        }