dome_love

<html>
  <head>
    <meta charset="utf-8" />
    <script src="https://www.jq22.com/jquery/jquery-1.10.2.js"></script>

    <style type="text/css">
        @import url("https://fonts.googleapis.com/css?family=Montserrat:200,300,400,600");
        .more-pens {
          position: fixed;
          left: 20px;
          bottom: 20px;
          z-index: 10;
          font-family: "Montserrat";
          font-size: 12px;
        }

        a.white-mode,
        a.white-mode:link,
        a.white-mode:visited,
        a.white-mode:active {
          font-family: "Montserrat";
          font-size: 12px;
          text-decoration: none;
          /* background: #212121; */
          padding: 4px 8px;
          color: #f7f7f7;
        }

        a.white-mode:hover,
        a.white-mode:link:hover,
        a.white-mode:visited:hover,
        a.white-mode:active:hover {
          background: #edf3f8;
          color: #212121;
        }

        .title {
          z-index: 9999 !important;
          position: absolute;
          left: 50%;
          top: 42%;
          transform: translateX(-50%) translateY(-50%);
          font-family: "Montserrat";
          text-align: center;
          width: 100%;
        }

        .title h1 {
          z-index: 99;
          position: relative;
          color: #fff;
          font-weight: 100;
          font-size: 70px;
          padding: 0;
          margin: 0;
          line-height: 1;
          text-shadow: 0 0 10px #ff006c, 0 0 20px #ff006c, 0 0 30px #ff006c,
            0 0 40px #ff417d, 0 0 70px #ff417d, 0 0 80px #ff417d,
            0 0 100px #ff417d, 0 0 150px #ff417d;
        }

        .title h1 span {
          z-index: 99;
          font-weight: 600;
          padding: 0;
          margin: 0;
          color: #ffffff;
        }

        .title h3 {
          z-index: 99;
          font-weight: 200;
          font-size: 26px;
          padding: 0;
          margin: 0;
          line-height: 1;
          color: #ffffff;
          letter-spacing: 2px;
        }

        /* 爱心css */
        canvas {
          position: absolute;
          width: 100%;
          height: 100%;
        }

        /* .img {
          position: absolute;
          left: 50%;
          top: 60%;
          transform: translate(-50%, -50%);
          width: 440px;
          height: 430px;
        } */

        #pinkboard {
          position: relative;
          top: 0%;
          left: 0%;
          height: 429px;
        }
        .STARDUST1 {
          position: relative !important;
          top: -45px;
        }
        .STARDUST2 {
          position: relative !important;
          top: -40px;
        }
        .STARDUST3 {
          position: relative !important;
          top: -20px;
        }
        /* 星空css */
        html,
        body {
          padding: 0px;
          margin: 0px;
          width: 100%;
          height: 100%;
          position: fixed;
        }

        body {
          display: flex;
          justify-content: center;
          align-items: center;
          -webkit-filter: contrast(120%);
          filter: contrast(120%);
          background-image: radial-gradient(
            1600px at 70% 120%,
            rgb(80, 68, 33) 10%,
            #020409 100%
          ) !important;
          /* background-color: black; */
        }

        .container2 {
          /* z-index: 8; */
          position: absolute;
          width: 100%;
          height: 100%;
          background-image: radial-gradient(
            1600px at 70% 120%,
            rgb(72, 33, 80) 10%,
            #090203 100%
          ) !important;
        }

        .content {
          width: inherit;
          height: inherit;
          width: 100%;
          height: 100%;
          background-image: radial-gradient(
            1600px at 70% 120%,
            rgb(74, 33, 80) 10%,
            #020409 100%
          ) !important;
        }

        #universe {
          width: 100%;
          height: 100%;
        }

        #footerContent {
          font-family: sans-serif;
          font-size: 110%;
          color: rgba(200, 220, 255, 0.3);
          width: 100%;
          position: fixed;
          bottom: 0px;
          padding: 20px;
          text-align: center;
          z-index: 20;
        }

        #scene {
          height: 100%;
          position: absolute;
          left: 50%;
          margin-left: -800px;
        }

        a {
          text-decoration: none;
          color: rgba(200, 220, 255, 1);
          opacity: 0.4;
          transition: opacity 0.4s ease;
        }

        a:hover {
          opacity: 1;
        }
      </style>
  </head>

  <body>
    <!-- 星空html -->
    <div class="container2">
      <div class="content">
        <canvas id="universe"></canvas>
      </div>
    </div>
    <!-- </div> -->
    <div class="title">
      <!-- 星团文字html -->

      <!-- 将文字替换即可 -->
      <!-- 时间 -->
      <h3 class="STARDUST1">&nbsp;&nbsp;2017 - 2022</h3>

      <!-- 主题内容 -->
      <h1 class="STARDUST2">It's a love affair</h1>

      <!-- 内容 -->
      <h3 class="STARDUST3">你想说的内容<strong>@</strong>对象</h3>
      <!-- 爱心html -->
      <!-- <img class="img" src="" alt="" /> -->
      <canvas id="pinkboard"> </canvas>
    </div>
  </body>
  <!-- 星团js -->
  <script>
    let particles = [];
    let microparticles = [];

    const c1 = createCanvas({
      width: $(window).width(),
      height: $(window).height(),
    });

    const tela = c1.canvas;
    const canvas = c1.context;

    // $("body").append(tela);
    $("body").append(c1.canvas);

    class Particle1 {
      constructor(canvas) {
        this.random = Math.random();
        this.random1 = Math.random();
        this.random2 = Math.random();
        this.progress = 0;
        this.canvas = canvas;
        this.life = 1000 + Math.random() * 2000;

        this.x =
          $(window).width() / 2 + (Math.random() * 20 - Math.random() * 20);
        this.y = $(window).height();
        this.s = 2 + Math.random();
        this.w = $(window).width();
        this.h = $(window).height();
        this.direction = this.random > 0.5 ? -1 : 1;
        this.radius = 1 + 3 * this.random;
        this.color = "#ff417d";

        this.ID = setInterval(
          function () {
            microparticles.push(
              new microParticle(c1.context, {
                x: this.x,
                y: this.y,
              })
            );
          }.bind(this),
          this.random * 20
        );

        setTimeout(
          function () {
            clearInterval(this.ID);
          }.bind(this),
          this.life
        );
      }

      render() {
        this.canvas.beginPath();
        this.canvas.arc(this.x, this.y, this.radius, 0, 2 * Math.PI);
        // this.canvas.lineWidth = 2;
        this.canvas.shadowOffsetX = 0;
        this.canvas.shadowOffsetY = 0;
        // this.canvas.shadowBlur = 6;
        this.canvas.shadowColor = "#000000";
        this.canvas.fillStyle = this.color;
        this.canvas.fill();
        this.canvas.closePath();
      }

      move() {
        this.x -=
          this.direction *
          Math.sin(this.progress / (this.random1 * 430)) *
          this.s;
        this.y -= Math.cos(this.progress / this.h) * this.s;

        if (this.x < 0 || this.x > this.w - this.radius) {
          clearInterval(this.ID);
          return false;
        }

        if (this.y < 0) {
          clearInterval(this.ID);
          return false;
        }
        this.render();
        this.progress++;
        return true;
      }
    }

    class microParticle {
      constructor(canvas, options) {
        this.random = Math.random();
        this.random1 = Math.random();
        this.random2 = Math.random();
        this.progress = 0;
        this.canvas = canvas;

        this.x = options.x;
        this.y = options.y;
        this.s = 2 + Math.random() * 3;
        this.w = $(window).width();
        this.h = $(window).height();
        this.radius = 1 + this.random * 0.5;
        this.color = "#4EFCFE"; //this.random > .5 ? "#a9722c" : "#FFFED7"
      }

      render() {
        this.canvas.beginPath();
        this.canvas.arc(this.x, this.y, this.radius, 0, 2 * Math.PI);
        this.canvas.lineWidth = 2;
        this.canvas.fillStyle = this.color;
        this.canvas.fill();
        this.canvas.closePath();
      }

      move() {
        this.x -=
          Math.sin(this.progress / (100 / (this.random1 - this.random2 * 10))) *
          this.s;
        this.y += Math.cos(this.progress / this.h) * this.s;

        if (this.x < 0 || this.x > this.w - this.radius) {
          return false;
        }

        if (this.y > this.h) {
          return false;
        }
        this.render();
        this.progress++;
        return true;
      }
    }

    var random_life = 1000;

    setInterval(
      function () {
        particles.push(new Particle1(canvas));
        random_life = 2000 * Math.random();
      }.bind(this),
      random_life
    );

    function clear() {
      let grd = canvas.createRadialGradient(
        tela.width / 2,
        tela.height / 2,
        0,
        tela.width / 2,
        tela.height / 2,
        tela.width
      );
      grd.addColorStop(0, "rgba(20,20,20,1)");
      grd.addColorStop(1, "rgba(0,0,0,0)");
      // Fill with gradient
      canvas.globalAlpha = 0.16;
      canvas.fillStyle = grd;
      canvas.fillRect(0, 0, tela.width, tela.height);
    }

    function blur(ctx, canvas, amt) {
      // ctx.filter = `blur(${amt}px)`
      // ctx.drawImage(canvas, 0, 0)
      // ctx.filter = 'none'
    }

    function update() {
      clear();
      particles = particles.filter(function (p) {
        return p.move();
      });
      microparticles = microparticles.filter(function (mp) {
        return mp.move();
      });
      requestAnimationFrame(update.bind(this));
    }

    function createCanvas(properties) {
      let canvas = document.createElement("canvas");
      canvas.width = properties.width;
      //   canvas.style.zIndex = 999;
      canvas.height = properties.height;
      let context = canvas.getContext("2d");
      return {
        canvas: canvas,
        context: context,
      };
    }
    update();
  </script>
  <!--爱心js  -->
  <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>

  <!-- 星空js -->
  <script>
    window.requestAnimationFrame =
      window.requestAnimationFrame ||
      window.mozRequestAnimationFrame ||
      window.webkitRequestAnimationFrame ||
      window.msRequestAnimationFrame;

    var starDensity = 0.216;
    var speedCoeff = 0.05;
    var width;
    var height;
    var starCount;
    var circleRadius;
    var circleCenter;
    var first = true;
    var giantColor = "180,184,240";
    var starColor = "226,225,142";
    var cometColor = "226,225,224";
    var canva = document.getElementById("universe");
    canva.style.zIndex = 200;
    var stars = [];

    windowResizeHandler();
    window.addEventListener("resize", windowResizeHandler, false);

    createUniverse();

    function createUniverse() {
      universe = canva.getContext("2d");

      for (var i = 0; i < starCount; i++) {
        stars[i] = new Star();
        stars[i].reset();
      }

      draw();
    }

    function draw() {
      universe.clearRect(0, 0, width, height);

      var starsLength = stars.length;

      for (var i = 0; i < starsLength; i++) {
        var star = stars[i];
        star.move();
        star.fadeIn();
        star.fadeOut();
        star.draw();
      }

      window.requestAnimationFrame(draw);
    }

    function Star() {
      this.reset = function () {
        this.giant = getProbability(3);
        this.comet = this.giant || first ? false : getProbability(10);
        this.x = getRandInterval(0, width - 10);
        this.y = getRandInterval(0, height);
        this.r = getRandInterval(1.1, 2.6);
        this.dx =
          getRandInterval(speedCoeff, 6 * speedCoeff) +
          (this.comet + 1 - 1) * speedCoeff * getRandInterval(50, 120) +
          speedCoeff * 2;
        this.dy =
          -getRandInterval(speedCoeff, 6 * speedCoeff) -
          (this.comet + 1 - 1) * speedCoeff * getRandInterval(50, 120);
        this.fadingOut = null;
        this.fadingIn = true;
        this.opacity = 0;
        this.opacityTresh = getRandInterval(
          0.2,
          1 - (this.comet + 1 - 1) * 0.4
        );
        this.do = getRandInterval(0.0005, 0.002) + (this.comet + 1 - 1) * 0.001;
      };

      this.fadeIn = function () {
        if (this.fadingIn) {
          this.fadingIn = this.opacity > this.opacityTresh ? false : true;
          this.opacity += this.do;
        }
      };

      this.fadeOut = function () {
        if (this.fadingOut) {
          this.fadingOut = this.opacity < 0 ? false : true;
          this.opacity -= this.do / 2;
          if (this.x > width || this.y < 0) {
            this.fadingOut = false;
            this.reset();
          }
        }
      };

      this.draw = function () {
        universe.beginPath();

        if (this.giant) {
          universe.fillStyle = "rgba(" + giantColor + "," + this.opacity + ")";
          universe.arc(this.x, this.y, 2, 0, 2 * Math.PI, false);
        } else if (this.comet) {
          universe.fillStyle = "rgba(" + cometColor + "," + this.opacity + ")";
          universe.arc(this.x, this.y, 1.5, 0, 2 * Math.PI, false);

          //comet tail
          for (var i = 0; i < 30; i++) {
            universe.fillStyle =
              "rgba(" +
              cometColor +
              "," +
              (this.opacity - (this.opacity / 20) * i) +
              ")";
            universe.rect(
              this.x - (this.dx / 4) * i,
              this.y - (this.dy / 4) * i - 2,
              2,
              2
            );
            universe.fill();
          }
        } else {
          universe.fillStyle = "rgba(" + starColor + "," + this.opacity + ")";
          universe.rect(this.x, this.y, this.r, this.r);
        }

        universe.closePath();
        universe.fill();
      };

      this.move = function () {
        this.x += this.dx;
        this.y += this.dy;
        if (this.fadingOut === false) {
          this.reset();
        }
        if (this.x > width - width / 4 || this.y < 0) {
          this.fadingOut = true;
        }
      };

      (function () {
        setTimeout(function () {
          first = false;
        }, 50);
      })();
    }

    function getProbability(percents) {
      return Math.floor(Math.random() * 1000) + 1 < percents * 10;
    }

    function getRandInterval(min, max) {
      return Math.random() * (max - min) + min;
    }

    function windowResizeHandler() {
      width = window.innerWidth;
      height = window.innerHeight;
      starCount = width * starDensity;
      circleRadius = width > height ? height / 2 : width / 2;
      circleCenter = {
        x: width / 2,
        y: height / 2,
      };

      canva.setAttribute("width", width);
      canva.setAttribute("height", height);
    }
  </script>
</html>
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