python爱心代码 python爱心代码动态

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代码魔术师之手 2023-06-19 17:20:44
文章标签 python爱心代码 python c++ javascript ci 文章分类 Python 后端开发
最近爱心很火，小编也是用Python做了一个动态爱心，点开链接便可以直接运行，快拿去和你的朋友们表白吧，一起来看看吧：
代码部分展示：
<!DOCTYPE html>
<!-- saved from url=(0051)https://httishere.gitee.io/notion/v4/love-name.html -->
<html><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
    
    <title>💗 Love you 💗</title>
    <style type="text/css">
      body {
        margin: 0;
        overflow: hidden;
        background: #000;
      }
      canvas {
        position: absolute;
        width: 100%;
        height: 100%;
      }
      #pinkboard {
        animation: anim 1.5s ease-in-out infinite;
        -webkit-animation: anim 1.5s ease-in-out infinite;
        -o-animation: anim 1.5s ease-in-out infinite;
        -moz-animation: anim 1.5s ease-in-out infinite;
      }
      @keyframes anim {
        0% {
          transform: scale(0.8);
        }
        25% {
          transform: scale(0.7);
        }
        50% {
          transform: scale(1);
        }
        75% {
          transform: scale(0.7);
        }
        100% {
          transform: scale(0.8);
        }
      }
      @-webkit-keyframes anim {
        0% {
          -webkit-transform: scale(0.8);
        }
        25% {
          -webkit-transform: scale(0.7);
        }
        50% {
          -webkit-transform: scale(1);
        }
        75% {
          -webkit-transform: scale(0.7);
        }
        100% {
          -webkit-transform: scale(0.8);
        }
      }
      @-o-keyframes anim {
        0% {
          -o-transform: scale(0.8);
        }
        25% {
          -o-transform: scale(0.7);
        }
        50% {
          -o-transform: scale(1);
        }
        75% {
          -o-transform: scale(0.7);
        }
        100% {
          -o-transform: scale(0.8);
        }
      }
      @-moz-keyframes anim {
        0% {
          -moz-transform: scale(0.8);
        }
        25% {
          -moz-transform: scale(0.7);
        }
        50% {
          -moz-transform: scale(1);
        }
        75% {
          -moz-transform: scale(0.7);
        }
        100% {
          -moz-transform: scale(0.8);
        }
      }
      #name {
        position: absolute;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
        margin-top: -20px;
        font-size: 46px;
        color: #ea80b0;
      }
    </style>
  </head>
  <body>
    <canvas id="pinkboard" width="1920" height="969"></canvas>
    <! <div id="name">好好好好❤ ❤️</div> >
    <canvas id="canvas" width="1784" height="736"></canvas>

    <script type="text/javascript">
      const colors = [
        "#eec996",
        "#8fb7d3",
        "#b7d4c6",
        "#c3bedd",
        "#f1d5e4",
        "#cae1d3",
        "#f3c89d",
        "#d0b0c3",
        "#819d53",
        "#c99294",
        "#cec884",
        "#ff8e70",
        "#e0a111",
        "#fffdf6",
        "#cbd7ac",
        "#e8c6c0",
        "#dc9898",
        "#ecc8ba",
      ]; //用来设置的颜色
      var canvas = document.getElementById("canvas");
      var ctx = canvas.getContext("2d");
      let count = 1;

      var ww = window.innerWidth;
      var wh = window.innerHeight;

      var hearts = [];

      function init() {
        requestAnimationFrame(render);
        canvas.width = ww;
        canvas.height = wh;
        for (var i = 0; i < 100; i++) {
          hearts.push(new Heart());
        }
      }

      function Heart() {
        this.x = Math.random() * ww;
        this.y = Math.random() * wh;
        this.opacity = Math.random() * 0.5 + 0.5;
        this.vel = {
          x: (Math.random() - 0.5) * 4,
          y: (Math.random() - 0.5) * 4,
        };
        this.targetScale = Math.random() * 0.15 + 0.02;
        this.scale = this.targetScale * Math.random();
      }

      Heart.prototype.update = function (i) {
        this.x += this.vel.x;
        this.y += this.vel.y;

        this.scale += (this.targetScale - this.scale) * 0.01;
        if (this.x - this.width > ww || this.x + this.width < 0) {
          this.scale = 0;
          this.x = Math.random() * ww;
        }
        if (this.y - this.height > wh || this.y + this.height < 0) {
          this.scale = 0;
          this.y = Math.random() * wh;
        }
        this.width = 473.8;
        this.height = 408.6;
      };
      Heart.prototype.draw = function (i) {
        ctx.globalAlpha = this.opacity;
        ctx.font = `${180 * this.scale}px "微软雅黑"`;
        // ctx.font="20px";
        ctx.fillStyle = colors[i % 18];
        ctx.fillText(
          "好好好好❤",
          this.x - this.width * 0.5,
          this.y - this.height * 0.5,
          this.width,
          this.height
        );
        // ctx.drawImage(
        //   heartImage,
        //   this.x - this.width * 0.5,
        //   this.y - this.height * 0.5,
        //   this.width,
        //   this.height
        // );
      };

      function render() {
        ctx.clearRect(0, 0, ww, wh);
        // ctx.globalAlpha = 1;
        // ctx.fillStyle = "rgba(255,255,255,0.3)";
        // ctx.fillRect(0, 0, ww, wh);
        for (var i = 0; i < 100; i++) {
          hearts[i].update(i);
          hearts[i].draw(i);
        }
        requestAnimationFrame(render);
      }
      init();

      window.addEventListener("resize", function () {
        ww = window.innerWidth;
        wh = window.innerHeight;
      });
    </script>
    <script>
      /*
       * Settings
       */
      var settings = {
        particles: {
          length: 500, // maximum amount of particles
          duration: 2, // particle duration in sec
          velocity: 100, // particle velocity in pixels/sec
          effect: -0.75, // play with this for a nice effect
          size: 30, // particle size in pixels
        },
      };

      /*
       * RequestAnimationFrame polyfill by Erik M?ller
       */
      (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);
          };
        }
      })();

      /*
       * Point class
       */
      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;
      })();

      /*
       * Particle class
       */

      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;
      })();

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

        function ParticlePool(length) {
          // create and populate particle pool
          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);

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

          // update active particles
          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);
          }

          // remove inactive particles
          while (
            particles[firstActive].age >= duration &&
            firstActive != firstFree
          ) {
            firstActive++;
            if (firstActive == particles.length) firstActive = 0;
          }
        };
        ParticlePool.prototype.draw = function (context, image) {
          // draw active particles
          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;
      })();

      /*
       * Putting it all together
       */
      (function (canvas) {
        var context = canvas.getContext("2d"),
          particles = new ParticlePool(settings.particles.length),
          particleRate =
            settings.particles.length / settings.particles.duration, // particles/sec
          time;

        // get point on heart with -PI <= t <= PI
        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
          );
        }

        // creating the particle image using a dummy canvas
        var image = (function () {
          var canvas = document.createElement("canvas"),
            context = canvas.getContext("2d");
          canvas.width = settings.particles.size;
          canvas.height = settings.particles.size;
          // helper function to create the path
          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;
          }
          // create the path
          context.beginPath();
          var t = -Math.PI;
          var point = to(t);
          context.moveTo(point.x, point.y);
          while (t < Math.PI) {
            t += 0.01; // baby steps!
            point = to(t);
            context.lineTo(point.x, point.y);
          }
          context.closePath();
          // create the fill
          context.fillStyle = "#ea80b0";
          context.fill();
          // create the image
          var image = new Image();
          image.src = canvas.toDataURL();
          return image;
        })();

        // render that thing!
        function render() {
          // next animation frame
          requestAnimationFrame(render);

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

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

          // create new particles
          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
            );
          }

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

        // handle (re-)sizing of the canvas
        function onResize() {
          canvas.width = canvas.clientWidth;
          canvas.height = canvas.clientHeight;
        }
        window.onresize = onResize;

        // delay rendering bootstrap
        setTimeout(function () {
          onResize();
          render();
        }, 10);
      })(document.getElementById("pinkboard"));

    </script>
  

</body></html>
结果运行
python爱心代码 python爱心代码动态_c++