【HTML实战】把爱心代码放在自己的网站上是一种什么体验？-Toy模板网

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最近随着电视剧《点燃我温暖你》的火热播出，剧中帅气学霸李洵的炫酷爱心代码也迅速火出了圈，作为一个喜欢动手实践的我来说正是一个大好机会啊，于是我就把代码搬到了自己的网站上，源码我也放在了我的GitHub上，大家有需自取哦~💗

仓库地址：『https://github.com/huawuque404/Love-code』
也欢迎大家star Issues fork 并pr哦，一起来开发更多好看的样式或者动态效果吧！

网站效果：『https://www.huawuque404.cn/love.html』

后面有时间的话我会将各式各样的爱心代码更新在这个仓库里，如果大家感兴趣的话就来和我一起创造爱心吧~😍

今天周末了，大家都要好好吃饭，好好睡觉哦！🎉

拜拜！

GitHub进不去的话，源代码这也有一份，有点长：

<!DOCTYPE html>
<html>

<head>
    <title> 爱心代码 </title>
    <meta charset="utf-8">
    <meta name="Author" content="花无缺">
    <meta name="Keywords" content="爱心代码">
    <meta name="Description" content="爱心代码">
    <link rel="shortcut icon" href="../picture/爱心.png" type="image/x-icon">
    <style>
        html,
        body {
            height: 100%;
            padding: 0;
            margin: 0;
            background: #000;
        }

        canvas {
            position: absolute;
            width: 100%;
            height: 100%;
        }
    </style>

</head>

<body>
    <canvas id="pinkboard"></canvas>
    <script>

        var settings = {
            particles: {
                length: 500,
                duration: 2,
                velocity: 100,
                effect: -0.75,
                size: 30,
            },
        };


        (function () { var b = 0; var c = ["ms", "moz", "webkit", "o"]; for (var a = 0; a < c.length && !window.requestAnimationFrame; ++a) { window.requestAnimationFrame = window[c[a] + "RequestAnimationFrame"]; window.cancelAnimationFrame = window[c[a] + "CancelAnimationFrame"] || window[c[a] + "CancelRequestAnimationFrame"] } if (!window.requestAnimationFrame) { window.requestAnimationFrame = function (h, e) { var d = new Date().getTime(); var f = Math.max(0, 16 - (d - b)); var g = window.setTimeout(function () { h(d + f) }, f); b = d + f; return g } } if (!window.cancelAnimationFrame) { window.cancelAnimationFrame = function (d) { clearTimeout(d) } } }());


        var Point = (function () {
            function Point(x, y) {
                this.x = (typeof x !== 'undefined') ? x : 0;
                this.y = (typeof y !== 'undefined') ? y : 0;
            }
            Point.prototype.clone = function () {
                return new Point(this.x, this.y);
            };
            Point.prototype.length = function (length) {
                if (typeof length == 'undefined')
                    return Math.sqrt(this.x * this.x + this.y * this.y);
                this.normalize();
                this.x *= length;
                this.y *= length;
                return this;
            };
            Point.prototype.normalize = function () {
                var length = this.length();
                this.x /= length;
                this.y /= length;
                return this;
            };
            return Point;
        })();


        var Particle = (function () {
            function Particle() {
                this.position = new Point();
                this.velocity = new Point();
                this.acceleration = new Point();
                this.age = 0;
            }
            Particle.prototype.initialize = function (x, y, dx, dy) {
                this.position.x = x;
                this.position.y = y;
                this.velocity.x = dx;
                this.velocity.y = dy;
                this.acceleration.x = dx * settings.particles.effect;
                this.acceleration.y = dy * settings.particles.effect;
                this.age = 0;
            };
            Particle.prototype.update = function (deltaTime) {
                this.position.x += this.velocity.x * deltaTime;
                this.position.y += this.velocity.y * deltaTime;
                this.velocity.x += this.acceleration.x * deltaTime;
                this.velocity.y += this.acceleration.y * deltaTime;
                this.age += deltaTime;
            };
            Particle.prototype.draw = function (context, image) {
                function ease(t) {
                    return (--t) * t * t + 1;
                }
                var size = image.width * ease(this.age / settings.particles.duration);
                context.globalAlpha = 1 - this.age / settings.particles.duration;
                context.drawImage(image, this.position.x - size / 2, this.position.y - size / 2, size, size);
            };
            return Particle;
        })();


        var ParticlePool = (function () {
            var particles,
                firstActive = 0,
                firstFree = 0,
                duration = settings.particles.duration;

            function ParticlePool(length) {

                particles = new Array(length);
                for (var i = 0; i < particles.length; i++)
                    particles[i] = new Particle();
            }
            ParticlePool.prototype.add = function (x, y, dx, dy) {
                particles[firstFree].initialize(x, y, dx, dy);

                firstFree++;
                if (firstFree == particles.length) firstFree = 0;
                if (firstActive == firstFree) firstActive++;
                if (firstActive == particles.length) firstActive = 0;
            };
            ParticlePool.prototype.update = function (deltaTime) {
                var i;


                if (firstActive < firstFree) {
                    for (i = firstActive; i < firstFree; i++)
                        particles[i].update(deltaTime);
                }
                if (firstFree < firstActive) {
                    for (i = firstActive; i < particles.length; i++)
                        particles[i].update(deltaTime);
                    for (i = 0; i < firstFree; i++)
                        particles[i].update(deltaTime);
                }


                while (particles[firstActive].age >= duration && firstActive != firstFree) {
                    firstActive++;
                    if (firstActive == particles.length) firstActive = 0;
                }


            };
            ParticlePool.prototype.draw = function (context, image) {

                if (firstActive < firstFree) {
                    for (i = firstActive; i < firstFree; i++)
                        particles[i].draw(context, image);
                }
                if (firstFree < firstActive) {
                    for (i = firstActive; i < particles.length; i++)
                        particles[i].draw(context, image);
                    for (i = 0; i < firstFree; i++)
                        particles[i].draw(context, image);
                }
            };
            return ParticlePool;
        })();


        (function (canvas) {
            var context = canvas.getContext('2d'),
                particles = new ParticlePool(settings.particles.length),
                particleRate = settings.particles.length / settings.particles.duration,
                time;


            function pointOnHeart(t) {
                return new Point(
                    160 * Math.pow(Math.sin(t), 3),
                    130 * Math.cos(t) - 50 * Math.cos(2 * t) - 20 * Math.cos(3 * t) - 10 * Math.cos(4 * t) + 25
                );
            }


            var image = (function () {
                var canvas = document.createElement('canvas'),
                    context = canvas.getContext('2d');
                canvas.width = settings.particles.size;
                canvas.height = settings.particles.size;

                function to(t) {
                    var point = pointOnHeart(t);
                    point.x = settings.particles.size / 2 + point.x * settings.particles.size / 350;
                    point.y = settings.particles.size / 2 - point.y * settings.particles.size / 350;
                    return point;
                }

                context.beginPath();
                var t = -Math.PI;
                var point = to(t);
                context.moveTo(point.x, point.y);
                while (t < Math.PI) {
                    t += 0.01;
                    point = to(t);
                    context.lineTo(point.x, point.y);
                }
                context.closePath();

                context.fillStyle = '#ea80b0';
                context.fill();

                var image = new Image();
                image.src = canvas.toDataURL();
                return image;
            })();


            function render() {

                requestAnimationFrame(render);


                var newTime = new Date().getTime() / 1000,
                    deltaTime = newTime - (time || newTime);
                time = newTime;


                context.clearRect(0, 0, canvas.width, canvas.height);


                var amount = particleRate * deltaTime;
                for (var i = 0; i < amount; i++) {
                    var pos = pointOnHeart(Math.PI - 2 * Math.PI * Math.random());
                    var dir = pos.clone().length(settings.particles.velocity);
                    particles.add(canvas.width / 2 + pos.x, canvas.height / 2 - pos.y, dir.x, -dir.y);
                }


                particles.update(deltaTime);
                particles.draw(context, image);
            }


            function onResize() {
                canvas.width = canvas.clientWidth;
                canvas.height = canvas.clientHeight;
            }
            window.onresize = onResize;


            setTimeout(function () {
                onResize();
                render();
            }, 10);
        })(document.getElementById('pinkboard'));
    </script>



</body>

</html>

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