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  <title>Giacomo Ceribelli</title>

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  <div id="particles-js"></div>


  <div class="header">
    <div class="row d-flex align-items-center justify-content-center" style="margin: auto;">
      <h1>
        <span class="title">Giacomo</span>
      </h1>
      <img src="images/me1.gif" class="my-image" id="my-image" />
      <h1>
        <span class="title">Ceribelli</span>
      </h1>
    </div>
  </div>

  <div class="container">
    <div class="row">
      <div class="col-md-3 d-flex align-items-center justify-content-center">
        <img src="./images/tablet-1.png" class="general-img tablet-img" id="social" />
        <div class="general-text">
          <h2 class="tablet-desktop">Social Networks</h2>
          <table width="100%">
            <tr>
              <td>Facebook</td>
              <td><a target=”_blank” href="https://www.facebook.com/ceribbo"><button class="facebook"
                    title="View on Facebook"><span class="bt-icon facebook-icon"></span><span
                      class="bt-text">Follow</span></button></a></td>
            </tr>
            <tr>
              <td>Instagram</td>
              <td><a target=”_blank” href="https://www.instagram.com/ceribbo"><button class="instagram"
                    title="Follow on Instagram"><span class="bt-icon instagram-icon"></span><span
                      class="bt-text">ceribbo</span></button></a></td>
            </tr>
            <tr>
              <td>YouTube</td>
              <td><a target=”_blank” href="https://www.youtube.com/mrceribbo"><button class="youtube"
                    title="Watch on Youtube"><span class="bt-icon youtube-icon"></span><span
                      class="bt-text">mrceribbo</span></button></a></td>
            </tr>
            <tr>
              <td>Twitter</td>
              <td><a target=”_blank” href="https://www.twitter.com/ceribbo"><button class="twitter"
                    title="Follow on Twitter"><span class="bt-icon twitter-icon"></span><span
                      class="bt-text">ceribbo</span></button></a></td>
            </tr>
            <tr>
              <td>Skype</td>
              <td><a target=”_blank” href="skype:ceribbo?userinfo"><button class="skype" title="View on Skype"><span
                      class="bt-icon skype-icon"></span><span class="bt-text">ceribbo</span></button></a>
            </tr>
            <tr>
              <td>Spotify</td>
              <td><a target=”_blank” href="https://open.spotify.com/user/1225095311"><button class="spotify"
                    title="View on Spotify"><span class="bt-icon spotify-icon"></span><span
                      class="bt-text">Giacomo</span></button></a>
            </tr>
            <tr>
              <td>Trakt.tv</td>
              <td><a target=”_blank” href="https://trakt.tv/users/ceribbo"><button class="trakt"
                    title="View on Trakt.tv"><span class="bt-icon trakt-icon"></span><span
                      class="bt-text">ceribbo</span></button></a>
            </tr>
          </table>
        </div>
      </div>
      <div class="col-md-5 d-flex align-items-center justify-content-center">
        <img src="./images/laptop-1.png" class="general-img" id="interests" />
        <div class="general-text">
          <h2>My Interests</h2>
          <table class="table-tablet">
            <!--<li>If you are interested in visiting my old blog it is available <a href="/blog">here</a>.</li>-->
            <tr>
              <td>• Since childhood, I have always been attracted
                to computers, today I can realize my dream by
                working in the field of information technology.</td>
            </tr>
            <tr>
              <td>• I love sailing! Every summer I dedicate myself
                to sailing around the Mediterranean sea with
                friends.</td>
            </tr>
            <tr>
              <td>• Lately, I've gotten into motorcycling, in fact I love to
                ride my Yamaha Ténéré 700 around
                Italy.</td>
            </tr>
          </table>
        </div>
      </div>
      <div class="col-md-4 d-flex align-items-center justify-content-center">
        <img src="./images/desktop-1.png" class="general-img desktop-img" id="professional" />
        <div class="general-text">
          <h2 class="tablet-desktop">Professional Figure</h2>
          <table width="100%">
            <tr>
              <td>Current Job</td>
              <td colspan="2"><b>Freelance Technology Advisory</b></td>
            </tr>
            <tr>
              <td>Linkedin</td>
              <td colspan="2"><a target=”_blank” href="https://www.linkedin.com/in/giacomo-ceribelli/"><button
                    class="linkedin" title="View on LinkedIn"><span class="bt-icon linkedin-icon"></span><span
                      class="bt-text">Follow</span></button></a></td>
            </tr>
            <tr>
              <td>Curriculum Vitae</td>
              <td>
                <a target=”_blank” href="https://www.dropbox.com/s/4cbc1vz9bcc03u4/CV.pdf"><button class="curriculum"
                    title="Download English CV"><span class="bt-icon curriculum-icon"></span><span
                      class="bt-text">English CV</span></button></a>
              </td>
              </td>
            </tr>
            <tr>
              <td>GitHub</td>
              <td colspan="2"><a target=”_blank” href="https://www.github.com/ceribbo/"><button class="github"
                    title="View on GitHub"><span class="bt-icon github-icon"></span><span
                      class="bt-text">Follow</span></button></a></td>
            </tr>

          </table>
        </div>
      </div>
    </div>
  </div>

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    var animations = function () {
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        timer2 = 4000,
        timer3 = 8000;

      setTimeout(function () { updateMe("./images/me2.gif"); }, timer1);
      setTimeout(function () { updateMe("./images/me3.gif"); }, timer2);
      setTimeout(function () { updateMe("./images/me.jpg"); }, timer3);


      var myImage = document.getElementById('my-image'),
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        startSocketGravity: [0, -200],
        endSocketGravity: [-50, 60],
        startSocket: 'top',
        endSocket: 'left'
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      self = tabletLine.show('draw', {
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        timing: [0.5, 0.3, 0.5, 0.42]
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      var laptopLine = new LeaderLine(laptop, LeaderLine.pointAnchor(myImage, { x: 125, y: 250 }), {
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        hide: true,
        color: '#403c58',
        endPlug: 'hand',
        startSocketGravity: [-200, -100],
        endSocketGravity: [30, 60],
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        endSocket: 'bottom'
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      self = laptopLine.show('draw', {
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        timing: [0, 0.3, 0.5, 0.42]
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      var desktopLine = new LeaderLine(LeaderLine.pointAnchor(desktop, { x: '50%', y: 10 }), LeaderLine.pointAnchor(myImage, { x: 229, y: 198 }), {
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        hide: true,
        color: '#403c58',
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        startSocketGravity: [130, -400],
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        timing: [0.8, 0.4, 0.6, 0.42]
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    setTimeout(animations, 1000);





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          modes: {
            grab: {
              distance: 100,
              line_linked: {
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            bubble: {
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              size: 80,
              duration: 0.4
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            repulse: {
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              duration: 0.4
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            push: {
              particles_nb: 4
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            remove: {
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          mouse: {}
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        fn: {
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        mode_bubble_distance: pJS.interactivity.modes.bubble.distance,
        mode_bubble_size: pJS.interactivity.modes.bubble.size,
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        pJS.particles.size.anim.speed = pJS.tmp.obj.size_anim_speed * pJS.canvas.pxratio;
        pJS.particles.move.speed = pJS.tmp.obj.move_speed * pJS.canvas.pxratio;
        pJS.particles.line_linked.distance = pJS.tmp.obj.line_linked_distance * pJS.canvas.pxratio;
        pJS.interactivity.modes.grab.distance = pJS.tmp.obj.mode_grab_distance * pJS.canvas.pxratio;
        pJS.interactivity.modes.bubble.distance = pJS.tmp.obj.mode_bubble_distance * pJS.canvas.pxratio;
        pJS.particles.line_linked.width = pJS.tmp.obj.line_linked_width * pJS.canvas.pxratio;
        pJS.interactivity.modes.bubble.size = pJS.tmp.obj.mode_bubble_size * pJS.canvas.pxratio;
        pJS.interactivity.modes.repulse.distance = pJS.tmp.obj.mode_repulse_distance * pJS.canvas.pxratio;

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      /* ---------- pJS functions - canvas ------------ */

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        pJS.canvas.ctx = pJS.canvas.el.getContext('2d');
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      pJS.fn.canvasSize = function () {

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        pJS.canvas.el.height = pJS.canvas.h;

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              pJS.canvas.h *= pJS.canvas.pxratio;
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            pJS.canvas.el.width = pJS.canvas.w;
            pJS.canvas.el.height = pJS.canvas.h;

            /* repaint canvas on anim disabled */
            if (!pJS.particles.move.enable) {
              pJS.fn.particlesEmpty();
              pJS.fn.particlesCreate();
              pJS.fn.particlesDraw();
              pJS.fn.vendors.densityAutoParticles();
            }

            /* density particles enabled */
            pJS.fn.vendors.densityAutoParticles();

          });

        }

      };


      pJS.fn.canvasPaint = function () {
        pJS.canvas.ctx.fillRect(0, 0, pJS.canvas.w, pJS.canvas.h);
      };

      pJS.fn.canvasClear = function () {
        pJS.canvas.ctx.clearRect(0, 0, pJS.canvas.w, pJS.canvas.h);
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      /* --------- pJS functions - particles ----------- */

      pJS.fn.particle = function (color, opacity, position) {

        /* size */
        this.radius = (pJS.particles.size.random ? Math.random() : 1) * pJS.particles.size.value;
        if (pJS.particles.size.anim.enable) {
          this.size_status = false;
          this.vs = pJS.particles.size.anim.speed / 100;
          if (!pJS.particles.size.anim.sync) {
            this.vs = this.vs * Math.random();
          }
        }

        /* position */
        this.x = position ? position.x : Math.random() * pJS.canvas.w;
        this.y = position ? position.y : Math.random() * pJS.canvas.h;

        /* check position  - into the canvas */
        if (this.x > pJS.canvas.w - this.radius * 2) this.x = this.x - this.radius;
        else if (this.x < this.radius * 2) this.x = this.x + this.radius;
        if (this.y > pJS.canvas.h - this.radius * 2) this.y = this.y - this.radius;
        else if (this.y < this.radius * 2) this.y = this.y + this.radius;

        /* check position - avoid overlap */
        if (pJS.particles.move.bounce) {
          pJS.fn.vendors.checkOverlap(this, position);
        }

        /* color */
        this.color = {};
        if (typeof (color.value) == 'object') {

          if (color.value instanceof Array) {
            var color_selected = color.value[Math.floor(Math.random() * pJS.particles.color.value.length)];
            this.color.rgb = hexToRgb(color_selected);
          } else {
            if (color.value.r != undefined && color.value.g != undefined && color.value.b != undefined) {
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                r: color.value.r,
                g: color.value.g,
                b: color.value.b
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            if (color.value.h != undefined && color.value.s != undefined && color.value.l != undefined) {
              this.color.hsl = {
                h: color.value.h,
                s: color.value.s,
                l: color.value.l
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        }
        else if (color.value == 'random') {
          this.color.rgb = {
            r: (Math.floor(Math.random() * (255 - 0 + 1)) + 0),
            g: (Math.floor(Math.random() * (255 - 0 + 1)) + 0),
            b: (Math.floor(Math.random() * (255 - 0 + 1)) + 0)
          }
        }
        else if (typeof (color.value) == 'string') {
          this.color = color;
          this.color.rgb = hexToRgb(this.color.value);
        }

        /* opacity */
        this.opacity = (pJS.particles.opacity.random ? Math.random() : 1) * pJS.particles.opacity.value;
        if (pJS.particles.opacity.anim.enable) {
          this.opacity_status = false;
          this.vo = pJS.particles.opacity.anim.speed / 100;
          if (!pJS.particles.opacity.anim.sync) {
            this.vo = this.vo * Math.random();
          }
        }

        /* animation - velocity for speed */
        var velbase = {}
        switch (pJS.particles.move.direction) {
          case 'top':
            velbase = { x: 0, y: -1 };
            break;
          case 'top-right':
            velbase = { x: 0.5, y: -0.5 };
            break;
          case 'right':
            velbase = { x: 1, y: -0 };
            break;
          case 'bottom-right':
            velbase = { x: 0.5, y: 0.5 };
            break;
          case 'bottom':
            velbase = { x: 0, y: 1 };
            break;
          case 'bottom-left':
            velbase = { x: -0.5, y: 1 };
            break;
          case 'left':
            velbase = { x: -1, y: 0 };
            break;
          case 'top-left':
            velbase = { x: -0.5, y: -0.5 };
            break;
          default:
            velbase = { x: 0, y: 0 };
            break;
        }

        if (pJS.particles.move.straight) {
          this.vx = velbase.x;
          this.vy = velbase.y;
          if (pJS.particles.move.random) {
            this.vx = this.vx * (Math.random());
            this.vy = this.vy * (Math.random());
          }
        } else {
          this.vx = velbase.x + Math.random() - 0.5;
          this.vy = velbase.y + Math.random() - 0.5;
        }

        // var theta = 2.0 * Math.PI * Math.random();
        // this.vx = Math.cos(theta);
        // this.vy = Math.sin(theta);

        this.vx_i = this.vx;
        this.vy_i = this.vy;



        /* if shape is image */

        var shape_type = pJS.particles.shape.type;
        if (typeof (shape_type) == 'object') {
          if (shape_type instanceof Array) {
            var shape_selected = shape_type[Math.floor(Math.random() * shape_type.length)];
            this.shape = shape_selected;
          }
        } else {
          this.shape = shape_type;
        }

        if (this.shape == 'image') {
          var sh = pJS.particles.shape;
          this.img = {
            src: sh.image.src,
            ratio: sh.image.width / sh.image.height
          }
          if (!this.img.ratio) this.img.ratio = 1;
          if (pJS.tmp.img_type == 'svg' && pJS.tmp.source_svg != undefined) {
            pJS.fn.vendors.createSvgImg(this);
            if (pJS.tmp.pushing) {
              this.img.loaded = false;
            }
          }
        }



      };


      pJS.fn.particle.prototype.draw = function () {

        var p = this;

        if (p.radius_bubble != undefined) {
          var radius = p.radius_bubble;
        } else {
          var radius = p.radius;
        }

        if (p.opacity_bubble != undefined) {
          var opacity = p.opacity_bubble;
        } else {
          var opacity = p.opacity;
        }

        if (p.color.rgb) {
          var color_value = 'rgba(' + p.color.rgb.r + ',' + p.color.rgb.g + ',' + p.color.rgb.b + ',' + opacity + ')';
        } else {
          var color_value = 'hsla(' + p.color.hsl.h + ',' + p.color.hsl.s + '%,' + p.color.hsl.l + '%,' + opacity + ')';
        }

        pJS.canvas.ctx.fillStyle = color_value;
        pJS.canvas.ctx.beginPath();

        switch (p.shape) {

          case 'circle':
            pJS.canvas.ctx.arc(p.x, p.y, radius, 0, Math.PI * 2, false);
            break;

          case 'edge':
            pJS.canvas.ctx.rect(p.x - radius, p.y - radius, radius * 2, radius * 2);
            break;

          case 'triangle':
            pJS.fn.vendors.drawShape(pJS.canvas.ctx, p.x - radius, p.y + radius / 1.66, radius * 2, 3, 2);
            break;

          case 'polygon':
            pJS.fn.vendors.drawShape(
              pJS.canvas.ctx,
              p.x - radius / (pJS.particles.shape.polygon.nb_sides / 3.5), // startX
              p.y - radius / (2.66 / 3.5), // startY
              radius * 2.66 / (pJS.particles.shape.polygon.nb_sides / 3), // sideLength
              pJS.particles.shape.polygon.nb_sides, // sideCountNumerator
              1 // sideCountDenominator
            );
            break;

          case 'star':
            pJS.fn.vendors.drawShape(
              pJS.canvas.ctx,
              p.x - radius * 2 / (pJS.particles.shape.polygon.nb_sides / 4), // startX
              p.y - radius / (2 * 2.66 / 3.5), // startY
              radius * 2 * 2.66 / (pJS.particles.shape.polygon.nb_sides / 3), // sideLength
              pJS.particles.shape.polygon.nb_sides, // sideCountNumerator
              2 // sideCountDenominator
            );
            break;

          case 'image':

            function draw() {
              pJS.canvas.ctx.drawImage(
                img_obj,
                p.x - radius,
                p.y - radius,
                radius * 2,
                radius * 2 / p.img.ratio
              );
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            if (pJS.tmp.img_type == 'svg') {
              var img_obj = p.img.obj;
            } else {
              var img_obj = pJS.tmp.img_obj;
            }

            if (img_obj) {
              draw();
            }

            break;

        }

        pJS.canvas.ctx.closePath();

        if (pJS.particles.shape.stroke.width > 0) {
          pJS.canvas.ctx.strokeStyle = pJS.particles.shape.stroke.color;
          pJS.canvas.ctx.lineWidth = pJS.particles.shape.stroke.width;
          pJS.canvas.ctx.stroke();
        }

        pJS.canvas.ctx.fill();

      };


      pJS.fn.particlesCreate = function () {
        for (var i = 0; i < pJS.particles.number.value; i++) {
          pJS.particles.array.push(new pJS.fn.particle(pJS.particles.color, pJS.particles.opacity.value));
        }
      };

      pJS.fn.particlesUpdate = function () {

        for (var i = 0; i < pJS.particles.array.length; i++) {

          /* the particle */
          var p = pJS.particles.array[i];

          // var d = ( dx = pJS.interactivity.mouse.click_pos_x - p.x ) * dx + ( dy = pJS.interactivity.mouse.click_pos_y - p.y ) * dy;
          // var f = -BANG_SIZE / d;
          // if ( d < BANG_SIZE ) {
          //     var t = Math.atan2( dy, dx );
          //     p.vx = f * Math.cos(t);
          //     p.vy = f * Math.sin(t);
          // }

          /* move the particle */
          if (pJS.particles.move.enable) {
            var ms = pJS.particles.move.speed / 2;
            p.x += p.vx * ms;
            p.y += p.vy * ms;
          }

          /* change opacity status */
          if (pJS.particles.opacity.anim.enable) {
            if (p.opacity_status == true) {
              if (p.opacity >= pJS.particles.opacity.value) p.opacity_status = false;
              p.opacity += p.vo;
            } else {
              if (p.opacity <= pJS.particles.opacity.anim.opacity_min) p.opacity_status = true;
              p.opacity -= p.vo;
            }
            if (p.opacity < 0) p.opacity = 0;
          }

          /* change size */
          if (pJS.particles.size.anim.enable) {
            if (p.size_status == true) {
              if (p.radius >= pJS.particles.size.value) p.size_status = false;
              p.radius += p.vs;
            } else {
              if (p.radius <= pJS.particles.size.anim.size_min) p.size_status = true;
              p.radius -= p.vs;
            }
            if (p.radius < 0) p.radius = 0;
          }

          /* change particle position if it is out of canvas */
          if (pJS.particles.move.out_mode == 'bounce') {
            var new_pos = {
              x_left: p.radius,
              x_right: pJS.canvas.w,
              y_top: p.radius,
              y_bottom: pJS.canvas.h
            }
          } else {
            var new_pos = {
              x_left: -p.radius,
              x_right: pJS.canvas.w + p.radius,
              y_top: -p.radius,
              y_bottom: pJS.canvas.h + p.radius
            }
          }

          if (p.x - p.radius > pJS.canvas.w) {
            p.x = new_pos.x_left;
            p.y = Math.random() * pJS.canvas.h;
          }
          else if (p.x + p.radius < 0) {
            p.x = new_pos.x_right;
            p.y = Math.random() * pJS.canvas.h;
          }
          if (p.y - p.radius > pJS.canvas.h) {
            p.y = new_pos.y_top;
            p.x = Math.random() * pJS.canvas.w;
          }
          else if (p.y + p.radius < 0) {
            p.y = new_pos.y_bottom;
            p.x = Math.random() * pJS.canvas.w;
          }

          /* out of canvas modes */
          switch (pJS.particles.move.out_mode) {
            case 'bounce':
              if (p.x + p.radius > pJS.canvas.w) p.vx = -p.vx;
              else if (p.x - p.radius < 0) p.vx = -p.vx;
              if (p.y + p.radius > pJS.canvas.h) p.vy = -p.vy;
              else if (p.y - p.radius < 0) p.vy = -p.vy;
              break;
          }

          /* events */
          if (isInArray('grab', pJS.interactivity.events.onhover.mode)) {
            pJS.fn.modes.grabParticle(p);
          }

          if (isInArray('bubble', pJS.interactivity.events.onhover.mode) || isInArray('bubble', pJS.interactivity.events.onclick.mode)) {
            pJS.fn.modes.bubbleParticle(p);
          }

          if (isInArray('repulse', pJS.interactivity.events.onhover.mode) || isInArray('repulse', pJS.interactivity.events.onclick.mode)) {
            pJS.fn.modes.repulseParticle(p);
          }

          /* interaction auto between particles */
          if (pJS.particles.line_linked.enable || pJS.particles.move.attract.enable) {
            for (var j = i + 1; j < pJS.particles.array.length; j++) {
              var p2 = pJS.particles.array[j];

              /* link particles */
              if (pJS.particles.line_linked.enable) {
                pJS.fn.interact.linkParticles(p, p2);
              }

              /* attract particles */
              if (pJS.particles.move.attract.enable) {
                pJS.fn.interact.attractParticles(p, p2);
              }

              /* bounce particles */
              if (pJS.particles.move.bounce) {
                pJS.fn.interact.bounceParticles(p, p2);
              }

            }
          }


        }

      };

      pJS.fn.particlesDraw = function () {

        /* clear canvas */
        pJS.canvas.ctx.clearRect(0, 0, pJS.canvas.w, pJS.canvas.h);

        /* update each particles param */
        pJS.fn.particlesUpdate();

        /* draw each particle */
        for (var i = 0; i < pJS.particles.array.length; i++) {
          var p = pJS.particles.array[i];
          p.draw();
        }

      };

      pJS.fn.particlesEmpty = function () {
        pJS.particles.array = [];
      };

      pJS.fn.particlesRefresh = function () {

        /* init all */
        cancelRequestAnimFrame(pJS.fn.checkAnimFrame);
        cancelRequestAnimFrame(pJS.fn.drawAnimFrame);
        pJS.tmp.source_svg = undefined;
        pJS.tmp.img_obj = undefined;
        pJS.tmp.count_svg = 0;
        pJS.fn.particlesEmpty();
        pJS.fn.canvasClear();

        /* restart */
        pJS.fn.vendors.start();

      };


      /* ---------- pJS functions - particles interaction ------------ */

      pJS.fn.interact.linkParticles = function (p1, p2) {

        var dx = p1.x - p2.x,
          dy = p1.y - p2.y,
          dist = Math.sqrt(dx * dx + dy * dy);

        /* draw a line between p1 and p2 if the distance between them is under the config distance */
        if (dist <= pJS.particles.line_linked.distance) {

          var opacity_line = pJS.particles.line_linked.opacity - (dist / (1 / pJS.particles.line_linked.opacity)) / pJS.particles.line_linked.distance;

          if (opacity_line > 0) {

            /* style */
            var color_line = pJS.particles.line_linked.color_rgb_line;
            pJS.canvas.ctx.strokeStyle = 'rgba(' + color_line.r + ',' + color_line.g + ',' + color_line.b + ',' + opacity_line + ')';
            pJS.canvas.ctx.lineWidth = pJS.particles.line_linked.width;
            //pJS.canvas.ctx.lineCap = 'round'; /* performance issue */

            /* path */
            pJS.canvas.ctx.beginPath();
            pJS.canvas.ctx.moveTo(p1.x, p1.y);
            pJS.canvas.ctx.lineTo(p2.x, p2.y);
            pJS.canvas.ctx.stroke();
            pJS.canvas.ctx.closePath();

          }

        }

      };


      pJS.fn.interact.attractParticles = function (p1, p2) {

        /* condensed particles */
        var dx = p1.x - p2.x,
          dy = p1.y - p2.y,
          dist = Math.sqrt(dx * dx + dy * dy);

        if (dist <= pJS.particles.line_linked.distance) {

          var ax = dx / (pJS.particles.move.attract.rotateX * 1000),
            ay = dy / (pJS.particles.move.attract.rotateY * 1000);

          p1.vx -= ax;
          p1.vy -= ay;

          p2.vx += ax;
          p2.vy += ay;

        }


      }


      pJS.fn.interact.bounceParticles = function (p1, p2) {

        var dx = p1.x - p2.x,
          dy = p1.y - p2.y,
          dist = Math.sqrt(dx * dx + dy * dy),
          dist_p = p1.radius + p2.radius;

        if (dist <= dist_p) {
          p1.vx = -p1.vx;
          p1.vy = -p1.vy;

          p2.vx = -p2.vx;
          p2.vy = -p2.vy;
        }

      }


      /* ---------- pJS functions - modes events ------------ */

      pJS.fn.modes.pushParticles = function (nb, pos) {

        pJS.tmp.pushing = true;

        for (var i = 0; i < nb; i++) {
          pJS.particles.array.push(
            new pJS.fn.particle(
              pJS.particles.color,
              pJS.particles.opacity.value,
              {
                'x': pos ? pos.pos_x : Math.random() * pJS.canvas.w,
                'y': pos ? pos.pos_y : Math.random() * pJS.canvas.h
              }
            )
          )
          if (i == nb - 1) {
            if (!pJS.particles.move.enable) {
              pJS.fn.particlesDraw();
            }
            pJS.tmp.pushing = false;
          }
        }

      };


      pJS.fn.modes.removeParticles = function (nb) {

        pJS.particles.array.splice(0, nb);
        if (!pJS.particles.move.enable) {
          pJS.fn.particlesDraw();
        }

      };


      pJS.fn.modes.bubbleParticle = function (p) {

        /* on hover event */
        if (pJS.interactivity.events.onhover.enable && isInArray('bubble', pJS.interactivity.events.onhover.mode)) {

          var dx_mouse = p.x - pJS.interactivity.mouse.pos_x,
            dy_mouse = p.y - pJS.interactivity.mouse.pos_y,
            dist_mouse = Math.sqrt(dx_mouse * dx_mouse + dy_mouse * dy_mouse),
            ratio = 1 - dist_mouse / pJS.interactivity.modes.bubble.distance;

          function init() {
            p.opacity_bubble = p.opacity;
            p.radius_bubble = p.radius;
          }

          /* mousemove - check ratio */
          if (dist_mouse <= pJS.interactivity.modes.bubble.distance) {

            if (ratio >= 0 && pJS.interactivity.status == 'mousemove') {

              /* size */
              if (pJS.interactivity.modes.bubble.size != pJS.particles.size.value) {

                if (pJS.interactivity.modes.bubble.size > pJS.particles.size.value) {
                  var size = p.radius + (pJS.interactivity.modes.bubble.size * ratio);
                  if (size >= 0) {
                    p.radius_bubble = size;
                  }
                } else {
                  var dif = p.radius - pJS.interactivity.modes.bubble.size,
                    size = p.radius - (dif * ratio);
                  if (size > 0) {
                    p.radius_bubble = size;
                  } else {
                    p.radius_bubble = 0;
                  }
                }

              }

              /* opacity */
              if (pJS.interactivity.modes.bubble.opacity != pJS.particles.opacity.value) {

                if (pJS.interactivity.modes.bubble.opacity > pJS.particles.opacity.value) {
                  var opacity = pJS.interactivity.modes.bubble.opacity * ratio;
                  if (opacity > p.opacity && opacity <= pJS.interactivity.modes.bubble.opacity) {
                    p.opacity_bubble = opacity;
                  }
                } else {
                  var opacity = p.opacity - (pJS.particles.opacity.value - pJS.interactivity.modes.bubble.opacity) * ratio;
                  if (opacity < p.opacity && opacity >= pJS.interactivity.modes.bubble.opacity) {
                    p.opacity_bubble = opacity;
                  }
                }

              }

            }

          } else {
            init();
          }


          /* mouseleave */
          if (pJS.interactivity.status == 'mouseleave') {
            init();
          }

        }

        /* on click event */
        else if (pJS.interactivity.events.onclick.enable && isInArray('bubble', pJS.interactivity.events.onclick.mode)) {


          if (pJS.tmp.bubble_clicking) {
            var dx_mouse = p.x - pJS.interactivity.mouse.click_pos_x,
              dy_mouse = p.y - pJS.interactivity.mouse.click_pos_y,
              dist_mouse = Math.sqrt(dx_mouse * dx_mouse + dy_mouse * dy_mouse),
              time_spent = (new Date().getTime() - pJS.interactivity.mouse.click_time) / 1000;

            if (time_spent > pJS.interactivity.modes.bubble.duration) {
              pJS.tmp.bubble_duration_end = true;
            }

            if (time_spent > pJS.interactivity.modes.bubble.duration * 2) {
              pJS.tmp.bubble_clicking = false;
              pJS.tmp.bubble_duration_end = false;
            }
          }


          function process(bubble_param, particles_param, p_obj_bubble, p_obj, id) {

            if (bubble_param != particles_param) {

              if (!pJS.tmp.bubble_duration_end) {
                if (dist_mouse <= pJS.interactivity.modes.bubble.distance) {
                  if (p_obj_bubble != undefined) var obj = p_obj_bubble;
                  else var obj = p_obj;
                  if (obj != bubble_param) {
                    var value = p_obj - (time_spent * (p_obj - bubble_param) / pJS.interactivity.modes.bubble.duration);
                    if (id == 'size') p.radius_bubble = value;
                    if (id == 'opacity') p.opacity_bubble = value;
                  }
                } else {
                  if (id == 'size') p.radius_bubble = undefined;
                  if (id == 'opacity') p.opacity_bubble = undefined;
                }
              } else {
                if (p_obj_bubble != undefined) {
                  var value_tmp = p_obj - (time_spent * (p_obj - bubble_param) / pJS.interactivity.modes.bubble.duration),
                    dif = bubble_param - value_tmp;
                  value = bubble_param + dif;
                  if (id == 'size') p.radius_bubble = value;
                  if (id == 'opacity') p.opacity_bubble = value;
                }
              }

            }

          }

          if (pJS.tmp.bubble_clicking) {
            /* size */
            process(pJS.interactivity.modes.bubble.size, pJS.particles.size.value, p.radius_bubble, p.radius, 'size');
            /* opacity */
            process(pJS.interactivity.modes.bubble.opacity, pJS.particles.opacity.value, p.opacity_bubble, p.opacity, 'opacity');
          }

        }

      };


      pJS.fn.modes.repulseParticle = function (p) {

        if (pJS.interactivity.events.onhover.enable && isInArray('repulse', pJS.interactivity.events.onhover.mode) && pJS.interactivity.status == 'mousemove') {

          var dx_mouse = p.x - pJS.interactivity.mouse.pos_x,
            dy_mouse = p.y - pJS.interactivity.mouse.pos_y,
            dist_mouse = Math.sqrt(dx_mouse * dx_mouse + dy_mouse * dy_mouse);

          var normVec = { x: dx_mouse / dist_mouse, y: dy_mouse / dist_mouse },
            repulseRadius = pJS.interactivity.modes.repulse.distance,
            velocity = 100,
            repulseFactor = clamp((1 / repulseRadius) * (-1 * Math.pow(dist_mouse / repulseRadius, 2) + 1) * repulseRadius * velocity, 0, 50);

          var pos = {
            x: p.x + normVec.x * repulseFactor,
            y: p.y + normVec.y * repulseFactor
          }

          if (pJS.particles.move.out_mode == 'bounce') {
            if (pos.x - p.radius > 0 && pos.x + p.radius < pJS.canvas.w) p.x = pos.x;
            if (pos.y - p.radius > 0 && pos.y + p.radius < pJS.canvas.h) p.y = pos.y;
          } else {
            p.x = pos.x;
            p.y = pos.y;
          }

        }


        else if (pJS.interactivity.events.onclick.enable && isInArray('repulse', pJS.interactivity.events.onclick.mode)) {

          if (!pJS.tmp.repulse_finish) {
            pJS.tmp.repulse_count++;
            if (pJS.tmp.repulse_count == pJS.particles.array.length) {
              pJS.tmp.repulse_finish = true;
            }
          }

          if (pJS.tmp.repulse_clicking) {

            var repulseRadius = Math.pow(pJS.interactivity.modes.repulse.distance / 6, 3);

            var dx = pJS.interactivity.mouse.click_pos_x - p.x,
              dy = pJS.interactivity.mouse.click_pos_y - p.y,
              d = dx * dx + dy * dy;

            var force = -repulseRadius / d * 1;

            function process() {

              var f = Math.atan2(dy, dx);
              p.vx = force * Math.cos(f);
              p.vy = force * Math.sin(f);

              if (pJS.particles.move.out_mode == 'bounce') {
                var pos = {
                  x: p.x + p.vx,
                  y: p.y + p.vy
                }
                if (pos.x + p.radius > pJS.canvas.w) p.vx = -p.vx;
                else if (pos.x - p.radius < 0) p.vx = -p.vx;
                if (pos.y + p.radius > pJS.canvas.h) p.vy = -p.vy;
                else if (pos.y - p.radius < 0) p.vy = -p.vy;
              }

            }

            // default
            if (d <= repulseRadius) {
              process();
            }

            // bang - slow motion mode
            // if(!pJS.tmp.repulse_finish){
            //   if(d <= repulseRadius){
            //     process();
            //   }
            // }else{
            //   process();
            // }


          } else {

            if (pJS.tmp.repulse_clicking == false) {

              p.vx = p.vx_i;
              p.vy = p.vy_i;

            }

          }

        }

      }


      pJS.fn.modes.grabParticle = function (p) {

        if (pJS.interactivity.events.onhover.enable && pJS.interactivity.status == 'mousemove') {

          var dx_mouse = p.x - pJS.interactivity.mouse.pos_x,
            dy_mouse = p.y - pJS.interactivity.mouse.pos_y,
            dist_mouse = Math.sqrt(dx_mouse * dx_mouse + dy_mouse * dy_mouse);

          /* draw a line between the cursor and the particle if the distance between them is under the config distance */
          if (dist_mouse <= pJS.interactivity.modes.grab.distance) {

            var opacity_line = pJS.interactivity.modes.grab.line_linked.opacity - (dist_mouse / (1 / pJS.interactivity.modes.grab.line_linked.opacity)) / pJS.interactivity.modes.grab.distance;

            if (opacity_line > 0) {

              /* style */
              var color_line = pJS.particles.line_linked.color_rgb_line;
              pJS.canvas.ctx.strokeStyle = 'rgba(' + 251 + ',' + 195 + ',' + 94 + ',' + opacity_line + ')';
              pJS.canvas.ctx.lineWidth = pJS.particles.line_linked.width;
              //pJS.canvas.ctx.lineCap = 'round'; /* performance issue */

              /* path */
              pJS.canvas.ctx.beginPath();
              pJS.canvas.ctx.moveTo(p.x, p.y);
              pJS.canvas.ctx.lineTo(pJS.interactivity.mouse.pos_x, pJS.interactivity.mouse.pos_y);
              pJS.canvas.ctx.stroke();
              pJS.canvas.ctx.closePath();

            }

          }

        }

      };



      /* ---------- pJS functions - vendors ------------ */

      pJS.fn.vendors.eventsListeners = function () {

        /* events target element */
        if (pJS.interactivity.detect_on == 'window') {
          pJS.interactivity.el = window;
        } else {
          pJS.interactivity.el = pJS.canvas.el;
        }


        /* detect mouse pos - on hover / click event */
        if (pJS.interactivity.events.onhover.enable || pJS.interactivity.events.onclick.enable) {

          /* el on mousemove */
          pJS.interactivity.el.addEventListener('mousemove', function (e) {

            if (pJS.interactivity.el == window) {
              var pos_x = e.clientX,
                pos_y = e.clientY;
            }
            else {
              var pos_x = e.offsetX || e.clientX,
                pos_y = e.offsetY || e.clientY;
            }

            pJS.interactivity.mouse.pos_x = pos_x;
            pJS.interactivity.mouse.pos_y = pos_y;

            if (pJS.tmp.retina) {
              pJS.interactivity.mouse.pos_x *= pJS.canvas.pxratio;
              pJS.interactivity.mouse.pos_y *= pJS.canvas.pxratio;
            }

            pJS.interactivity.status = 'mousemove';

          });

          /* el on onmouseleave */
          pJS.interactivity.el.addEventListener('mouseleave', function (e) {

            pJS.interactivity.mouse.pos_x = null;
            pJS.interactivity.mouse.pos_y = null;
            pJS.interactivity.status = 'mouseleave';

          });

        }

        /* on click event */
        if (pJS.interactivity.events.onclick.enable) {

          pJS.interactivity.el.addEventListener('click', function () {

            pJS.interactivity.mouse.click_pos_x = pJS.interactivity.mouse.pos_x;
            pJS.interactivity.mouse.click_pos_y = pJS.interactivity.mouse.pos_y;
            pJS.interactivity.mouse.click_time = new Date().getTime();

            if (pJS.interactivity.events.onclick.enable) {

              switch (pJS.interactivity.events.onclick.mode) {

                case 'push':
                  if (pJS.particles.move.enable) {
                    pJS.fn.modes.pushParticles(pJS.interactivity.modes.push.particles_nb, pJS.interactivity.mouse);
                  } else {
                    if (pJS.interactivity.modes.push.particles_nb == 1) {
                      pJS.fn.modes.pushParticles(pJS.interactivity.modes.push.particles_nb, pJS.interactivity.mouse);
                    }
                    else if (pJS.interactivity.modes.push.particles_nb > 1) {
                      pJS.fn.modes.pushParticles(pJS.interactivity.modes.push.particles_nb);
                    }
                  }
                  break;

                case 'remove':
                  pJS.fn.modes.removeParticles(pJS.interactivity.modes.remove.particles_nb);
                  break;

                case 'bubble':
                  pJS.tmp.bubble_clicking = true;
                  break;

                case 'repulse':
                  pJS.tmp.repulse_clicking = true;
                  pJS.tmp.repulse_count = 0;
                  pJS.tmp.repulse_finish = false;
                  setTimeout(function () {
                    pJS.tmp.repulse_clicking = false;
                  }, pJS.interactivity.modes.repulse.duration * 1000)
                  break;

              }

            }

          });

        }


      };

      pJS.fn.vendors.densityAutoParticles = function () {

        if (pJS.particles.number.density.enable) {

          /* calc area */
          var area = pJS.canvas.el.width * pJS.canvas.el.height / 1000;
          if (pJS.tmp.retina) {
            area = area / (pJS.canvas.pxratio * 2);
          }

          /* calc number of particles based on density area */
          var nb_particles = area * pJS.particles.number.value / pJS.particles.number.density.value_area;

          /* add or remove X particles */
          var missing_particles = pJS.particles.array.length - nb_particles;
          if (missing_particles < 0) pJS.fn.modes.pushParticles(Math.abs(missing_particles));
          else pJS.fn.modes.removeParticles(missing_particles);

        }

      };


      pJS.fn.vendors.checkOverlap = function (p1, position) {
        for (var i = 0; i < pJS.particles.array.length; i++) {
          var p2 = pJS.particles.array[i];

          var dx = p1.x - p2.x,
            dy = p1.y - p2.y,
            dist = Math.sqrt(dx * dx + dy * dy);

          if (dist <= p1.radius + p2.radius) {
            p1.x = position ? position.x : Math.random() * pJS.canvas.w;
            p1.y = position ? position.y : Math.random() * pJS.canvas.h;
            pJS.fn.vendors.checkOverlap(p1);
          }
        }
      };


      pJS.fn.vendors.createSvgImg = function (p) {

        /* set color to svg element */
        var svgXml = pJS.tmp.source_svg,
          rgbHex = /#([0-9A-F]{3,6})/gi,
          coloredSvgXml = svgXml.replace(rgbHex, function (m, r, g, b) {
            if (p.color.rgb) {
              var color_value = 'rgba(' + p.color.rgb.r + ',' + p.color.rgb.g + ',' + p.color.rgb.b + ',' + p.opacity + ')';
            } else {
              var color_value = 'hsla(' + p.color.hsl.h + ',' + p.color.hsl.s + '%,' + p.color.hsl.l + '%,' + p.opacity + ')';
            }
            return color_value;
          });

        /* prepare to create img with colored svg */
        var svg = new Blob([coloredSvgXml], { type: 'image/svg+xml;charset=utf-8' }),
          DOMURL = window.URL || window.webkitURL || window,
          url = DOMURL.createObjectURL(svg);

        /* create particle img obj */
        var img = new Image();
        img.addEventListener('load', function () {
          p.img.obj = img;
          p.img.loaded = true;
          DOMURL.revokeObjectURL(url);
          pJS.tmp.count_svg++;
        });
        img.src = url;

      };


      pJS.fn.vendors.destroypJS = function () {
        cancelAnimationFrame(pJS.fn.drawAnimFrame);
        canvas_el.remove();
        pJSDom = null;
      };


      pJS.fn.vendors.drawShape = function (c, startX, startY, sideLength, sideCountNumerator, sideCountDenominator) {

        // By Programming Thomas - https://programmingthomas.wordpress.com/2013/04/03/n-sided-shapes/
        var sideCount = sideCountNumerator * sideCountDenominator;
        var decimalSides = sideCountNumerator / sideCountDenominator;
        var interiorAngleDegrees = (180 * (decimalSides - 2)) / decimalSides;
        var interiorAngle = Math.PI - Math.PI * interiorAngleDegrees / 180; // convert to radians
        c.save();
        c.beginPath();
        c.translate(startX, startY);
        c.moveTo(0, 0);
        for (var i = 0; i < sideCount; i++) {
          c.lineTo(sideLength, 0);
          c.translate(sideLength, 0);
          c.rotate(interiorAngle);
        }
        //c.stroke();
        c.fill();
        c.restore();

      };

      pJS.fn.vendors.exportImg = function () {
        window.open(pJS.canvas.el.toDataURL('image/png'), '_blank');
      };


      pJS.fn.vendors.loadImg = function (type) {

        pJS.tmp.img_error = undefined;

        if (pJS.particles.shape.image.src != '') {

          if (type == 'svg') {

            var xhr = new XMLHttpRequest();
            xhr.open('GET', pJS.particles.shape.image.src);
            xhr.onreadystatechange = function (data) {
              if (xhr.readyState == 4) {
                if (xhr.status == 200) {
                  pJS.tmp.source_svg = data.currentTarget.response;
                  pJS.fn.vendors.checkBeforeDraw();
                } else {
                  console.log('Error pJS - Image not found');
                  pJS.tmp.img_error = true;
                }
              }
            }
            xhr.send();

          } else {

            var img = new Image();
            img.addEventListener('load', function () {
              pJS.tmp.img_obj = img;
              pJS.fn.vendors.checkBeforeDraw();
            });
            img.src = pJS.particles.shape.image.src;

          }

        } else {
          console.log('Error pJS - No image.src');
          pJS.tmp.img_error = true;
        }

      };


      pJS.fn.vendors.draw = function () {

        if (pJS.particles.shape.type == 'image') {

          if (pJS.tmp.img_type == 'svg') {

            if (pJS.tmp.count_svg >= pJS.particles.number.value) {
              pJS.fn.particlesDraw();
              if (!pJS.particles.move.enable) cancelRequestAnimFrame(pJS.fn.drawAnimFrame);
              else pJS.fn.drawAnimFrame = requestAnimFrame(pJS.fn.vendors.draw);
            } else {
              //console.log('still loading...');
              if (!pJS.tmp.img_error) pJS.fn.drawAnimFrame = requestAnimFrame(pJS.fn.vendors.draw);
            }

          } else {

            if (pJS.tmp.img_obj != undefined) {
              pJS.fn.particlesDraw();
              if (!pJS.particles.move.enable) cancelRequestAnimFrame(pJS.fn.drawAnimFrame);
              else pJS.fn.drawAnimFrame = requestAnimFrame(pJS.fn.vendors.draw);
            } else {
              if (!pJS.tmp.img_error) pJS.fn.drawAnimFrame = requestAnimFrame(pJS.fn.vendors.draw);
            }

          }

        } else {
          pJS.fn.particlesDraw();
          if (!pJS.particles.move.enable) cancelRequestAnimFrame(pJS.fn.drawAnimFrame);
          else pJS.fn.drawAnimFrame = requestAnimFrame(pJS.fn.vendors.draw);
        }

      };


      pJS.fn.vendors.checkBeforeDraw = function () {

        // if shape is image
        if (pJS.particles.shape.type == 'image') {

          if (pJS.tmp.img_type == 'svg' && pJS.tmp.source_svg == undefined) {
            pJS.tmp.checkAnimFrame = requestAnimFrame(check);
          } else {
            //console.log('images loaded! cancel check');
            cancelRequestAnimFrame(pJS.tmp.checkAnimFrame);
            if (!pJS.tmp.img_error) {
              pJS.fn.vendors.init();
              pJS.fn.vendors.draw();
            }

          }

        } else {
          pJS.fn.vendors.init();
          pJS.fn.vendors.draw();
        }

      };


      pJS.fn.vendors.init = function () {

        /* init canvas + particles */
        pJS.fn.retinaInit();
        pJS.fn.canvasInit();
        pJS.fn.canvasSize();
        pJS.fn.canvasPaint();
        pJS.fn.particlesCreate();
        pJS.fn.vendors.densityAutoParticles();

        /* particles.line_linked - convert hex colors to rgb */
        pJS.particles.line_linked.color_rgb_line = hexToRgb(pJS.particles.line_linked.color);

      };


      pJS.fn.vendors.start = function () {

        if (isInArray('image', pJS.particles.shape.type)) {
          pJS.tmp.img_type = pJS.particles.shape.image.src.substr(pJS.particles.shape.image.src.length - 3);
          pJS.fn.vendors.loadImg(pJS.tmp.img_type);
        } else {
          pJS.fn.vendors.checkBeforeDraw();
        }

      };




      /* ---------- pJS - start ------------ */


      pJS.fn.vendors.eventsListeners();

      pJS.fn.vendors.start();



    };

    /* ---------- global functions - vendors ------------ */

    Object.deepExtend = function (destination, source) {
      for (var property in source) {
        if (source[property] && source[property].constructor &&
          source[property].constructor === Object) {
          destination[property] = destination[property] || {};
          arguments.callee(destination[property], source[property]);
        } else {
          destination[property] = source[property];
        }
      }
      return destination;
    };

    window.requestAnimFrame = (function () {
      return window.requestAnimationFrame ||
        window.webkitRequestAnimationFrame ||
        window.mozRequestAnimationFrame ||
        window.oRequestAnimationFrame ||
        window.msRequestAnimationFrame ||
        function (callback) {
          window.setTimeout(callback, 1000 / 60);
        };
    })();

    window.cancelRequestAnimFrame = (function () {
      return window.cancelAnimationFrame ||
        window.webkitCancelRequestAnimationFrame ||
        window.mozCancelRequestAnimationFrame ||
        window.oCancelRequestAnimationFrame ||
        window.msCancelRequestAnimationFrame ||
        clearTimeout
    })();

    function hexToRgb(hex) {
      // By Tim Down - http://stackoverflow.com/a/5624139/3493650
      // Expand shorthand form (e.g. "03F") to full form (e.g. "0033FF")
      var shorthandRegex = /^#?([a-f\d])([a-f\d])([a-f\d])$/i;
      hex = hex.replace(shorthandRegex, function (m, r, g, b) {
        return r + r + g + g + b + b;
      });
      var result = /^#?([a-f\d]{2})([a-f\d]{2})([a-f\d]{2})$/i.exec(hex);
      return result ? {
        r: parseInt(result[1], 16),
        g: parseInt(result[2], 16),
        b: parseInt(result[3], 16)
      } : null;
    };

    function clamp(number, min, max) {
      return Math.min(Math.max(number, min), max);
    };

    function isInArray(value, array) {
      return array.indexOf(value) > -1;
    }


    /* ---------- particles.js functions - start ------------ */

    window.pJSDom = [];

    window.particlesJS = function (tag_id, params) {

      //console.log(params);

      /* no string id? so it's object params, and set the id with default id */
      if (typeof (tag_id) != 'string') {
        params = tag_id;
        tag_id = 'particles-js';
      }

      /* no id? set the id to default id */
      if (!tag_id) {
        tag_id = 'particles-js';
      }

      /* pJS elements */
      var pJS_tag = document.getElementById(tag_id),
        pJS_canvas_class = 'particles-js-canvas-el',
        exist_canvas = pJS_tag.getElementsByClassName(pJS_canvas_class);

      /* remove canvas if exists into the pJS target tag */
      if (exist_canvas.length) {
        while (exist_canvas.length > 0) {
          pJS_tag.removeChild(exist_canvas[0]);
        }
      }

      /* create canvas element */
      var canvas_el = document.createElement('canvas');
      canvas_el.className = pJS_canvas_class;

      /* set size canvas */
      canvas_el.style.width = "100%";
      canvas_el.style.height = "100%";

      /* append canvas */
      var canvas = document.getElementById(tag_id).appendChild(canvas_el);

      /* launch particle.js */
      if (canvas != null) {
        pJSDom.push(new pJS(tag_id, params));
      }

    };

    window.particlesJS.load = function (tag_id, path_config_json, callback) {

      /* load json config */
      var xhr = new XMLHttpRequest();
      xhr.open('GET', path_config_json);
      xhr.onreadystatechange = function (data) {
        if (xhr.readyState == 4) {
          if (xhr.status == 200) {
            var params = JSON.parse(data.currentTarget.response);
            window.particlesJS(tag_id, params);
            if (callback) callback();
          } else {
            console.log('Error pJS - XMLHttpRequest status: ' + xhr.status);
            console.log('Error pJS - File config not found');
          }
        }
      };
      xhr.send();

    };
  </script>



  <script src="js/index.js"></script>




</body>

</html>