cssAudio - Activefile-genericCSS - ActiveGeneric - ActiveHTML - ActiveImage - ActiveJS - ActiveSVG - ActiveText - Activefile-genericVideo - ActiveLovehtmlicon-new-collectionicon-personicon-teamlog-outoctocatpop-outspinnerstartv

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              .elements
   .container
      .slide.slide1.index4
         video(id="italy", height="310", autoplay, muted, loop, poster="https://i.vimeocdn.com/video/590456190_640x360.jpg")
            source(src="//player.vimeo.com/external/181785119.sd.mp4?s=5bb11371ddf8b65207173d68f30ebe9759c60554", type="video/mp4")
            | Your browser doesn't support HTML5 video tag.
      .slide.index3
         video(id="paris", height="310", muted, loop, poster="https://i.vimeocdn.com/video/529880565_640x360.jpg") //, controls)
            source(src="//player.vimeo.com/external/135710130.sd.mp4?s=16036acc01a6d26d6a64feb4d92afd23", type="video/mp4")
            | Your browser doesn't support HTML5 video tag.
      .slide.index2
         video(id="hongkong", height="310", muted, loop, poster="https://i.vimeocdn.com/video/571934523_640x360.jpg")
            source(src="//player.vimeo.com/external/167599912.sd.mp4?s=f97f57e9205c9c86f10df25404edba51a8ea0917", type="video/mp4")
            | Your browser doesn't support HTML5 video tag.
      .slide.index1
         video(id="prog", height="310", muted, loop, poster="https://i.vimeocdn.com/video/587730046_640x360.jpg")
            source(src="//player.vimeo.com/external/179738669.sd.mp4?s=fb42e7e2c8c6ff0d5d0b03dfa6aa8af830019f79", type="video/mp4")
            | Your browser doesn't support HTML5 video tag.
   .description
      .description__country
         span La Crusc, Italy
         svg.italy(viewbox='0 0 35 23')
            rect(width='12', height='23', fill="#3D9348")
            rect(x='23', width='12', height='23', fill="#D80031")
      .description__country.hide
         span Paris, France
         svg.france(viewbox='0 0 35 23')
            rect(x='-0.1', width='12', height='23', fill="#323E95")
            rect(x='23', width='12', height='23', fill="#D80031")
      .description__country.hide
         span Hong Kong, China
         svg.china(viewbox='0 0 35 23')
            g
               rect(width='35', height='23', fill="#CB1D23")
               polygon(points='4,8.9 4.7,6.6 2.8,5.2 5.2,5.2 5.9,2.9 6.7,5.2 9.1,5.2 7.1,6.6 7.8,8.9 5.9,7.5 	', fill="#F7DE29")
               polygon(points='10.7,10.1 11.5,10.4 12,9.8 12,10.6 12.8,11 11.9,11.2 11.9,12 11.4,11.3 10.6,11.5 11.1,10.8 	', fill="#F7DE29")
               polygon(points='15,5.7 14.2,5.6 13.8,6.3 13.6,5.5 12.8,5.3 13.6,4.9 13.4,4.1 14.1,4.7 14.8,4.3 14.4,5.1 	', fill="#F7DE29")
               polygon(points='13.2,9.6 13.5,8.8 12.8,8.3 13.6,8.3 13.9,7.4 14.2,8.3 15.1,8.3 14.4,8.8 14.6,9.6 13.9,9.1 	', fill="#F7DE29")
               polygon(points='10.7,2 11.5,2.4 12.1,1.8 12,2.6 12.8,3 11.9,3.2 11.8,4 11.4,3.3 10.5,3.4 11.1,2.8 	', fill="#F7DE29")
      .description__country.hide
         span Thx for watching
         svg.china(viewbox='0 0 35 23')
            a(xlink:href='https://twitter.com/AntonMudrenok', target='_blank')
               path(d='M31.3,2.7c-1,0.5-2.2,0.8-3.3,0.9c1.2-0.7,2.1-1.9,2.6-3.2c-1.1,0.7-2.4,1.1-3.7,1.4C25.8,0.7,24.3,0,22.6,0\
               c-3.2,0-5.8,2.6-5.8,5.8c0,0.5,0.1,0.9,0.1,1.3C12.1,6.9,7.8,4.6,5,1.1C4.5,1.9,4.2,2.9,4.2,4c0,2,1,3.8,2.6,4.8\
               c-1,0-1.8-0.3-2.6-0.7c0,0,0,0,0,0.1c0,2.8,2,5.2,4.7,5.7c-0.5,0.1-1,0.2-1.5,0.2c-0.4,0-0.7,0-1.1-0.1c0.7,2.3,2.9,4,5.4,4\
               c-2,1.6-4.5,2.5-7.2,2.5c-0.5,0-0.9,0-1.4-0.1C5.6,22,8.6,23,11.9,23c10.7,0,16.5-8.8,16.5-16.5c0-0.3,0-0.5,0-0.8\
               C29.5,4.9,30.5,3.9,31.3,2.7z', fill="#55ACEE")
      .description__line
      .description__text
         span How about you explore cultural events in La Crusc?
      .description__text.hide
         span How about you explore cultural events in Paris?
      .description__text.hide
         span How about you explore cultural events in Hong Kong?
      .description__text.hide
         span More demos soon =)
            
          
!
            
              @import url('https://fonts.googleapis.com/css?family=Questrial');

$width: 35rem;
$vidWidth: 32rem;
$vidHeight: 31rem;
$vidPadding: 1.5rem;

$secondFontCol: #aaaaaa;

*, *:before, *:after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html, body {
  font-size: 62.5%;
}

body {
  background: #eeeeee;
  overflow-x: hidden;
  font-family: 'Questrial', "Helvetica Neue", Helvetica, sans-serif;
}

.elements {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: $width;
  height: 51rem;
  background-color: #fff;
  border-radius: 3px;
  box-shadow: 0.5rem 1rem 3rem rgba(0,0,0,0.7);
}

.container {
  position: relative;
  margin: 3rem auto 0;
  width: $vidWidth;
}

.slide {
  position: absolute;
  height: $vidHeight;
  width: $vidWidth;
  border-radius: 3px;
  cursor: grab;

  background-color: gray;
  overflow: hidden;

  will-change: transform;
  transform: translateZ(0);
  
  &1 {
    box-shadow: 0.2rem 0.2rem 2.5rem rgba(0,0,0,0.7);
    background-image: url("https://i.vimeocdn.com/video/590456190_640x360.jpg");
    background-size: 55rem;
  }
}

#paris {
  margin-left: -15rem;
}

#italy, #prog {
  margin-left: -0rem;
}

#hongkong {
  margin-left: -10rem;
}

.index {
  &1 { z-index: 1; }
  &2 { z-index: 2; }
  &3 { z-index: 3; }
  &4 { z-index: 4; }
}

.description {
  position: absolute;
  top: 39rem;
  margin: auto 4.2rem;
  width: $width - 4.2 * 2rem;

  &__line {
    position: absolute;
    top: 3.5rem;
    width: 100%;
    border-bottom: 1px solid #eeeeee;
  }

  &__country, &__text {
    position: absolute;
    will-change: transform, opacity;
    transform: translateZ(0);
    opacity: 1;
    transition: all .25s cubic-bezier(.74,.05,.94,.36);
  }

  &__country {
    width: 100%;
    font-size: 2rem;
    font-weight: 600;
  }

  &__text {
    top: 5rem;
    font-size: 1.7rem;
    font-weight: 300;
    color: $secondFontCol;
    transition-delay: 0.03s;

    &.hide {
      transition-delay: .28s;
    }
  }
}

.fadeout-up {
  opacity: 0;
  transform: translate3D(0, -2rem, 0);
}

.hide {
  opacity: 0;
  transform: translate3D(0, 2rem, 0);
  transition: all .25s cubic-bezier(.05,.67,.47,.99);
  transition-delay: .25s;
}

.fadein-up {
  opacity: 1;
  transform: translate3D(0, 0, 0);
}

svg {
  width: 3.5rem;
  height: 2.3rem;
  position: absolute;
  right: 0;
  top: -0.1rem;
}
            
          
!
            
              $(document).ready(function() {
  const $videos = [].slice.call(document.querySelectorAll('.slide'));
  const $countries = [].slice.call(document.querySelectorAll(".description__country"));
  const $texts = [].slice.call(document.querySelectorAll(".description__text"));

  var fromTo = (from, to, prgrs = 0) => from + (to - from) * prgrs;

  var easing = {
    inCubic: function(t, b, c, d) { // t: current time, b: begInnIng value, c: change In value, d: duration
      var ts = (t /= d) * t;
      var tc = ts * t;
      return b + c * (1.7 * tc * ts - 2.05 * ts * ts + 1.5 * tc - 0.2 * ts + 0.05 * t);
    }
  };

  var transforms = {
    translate3D: function(x = 0, y = 0, z = 0, el = "px") {
      return `translate3D(${x}${el}, ${y}${el}, ${z}${el})`;
    },

    rotate3d: function(x = 0, y = 0, z = 0, deg = 0) {
      return `rotate3d(${x}, ${y}, ${z}, ${deg}deg)`;
    },

    rotate: function(deg = 0) {
      return `rotate(${deg}deg)`;
    },

    scale: function(x = 0, y = 0) {
      return `scale(${x}, ${y})`;
    },

    perspective: function(val = 0, el = "px") {
      return `perspective(${val}${el})`;
    }
  };

  var descriptions = {
    index: 0,
    timeout: 550,
    countries: $countries.slice(),
    texts: $texts.slice(),

    animateDescription: function() {
      $(this.countries[0]).addClass("fadeout-up");
      $(this.countries[1]).addClass("fadein-up");
      $(this.texts[0]).addClass("fadeout-up");
      $(this.texts[1]).addClass("fadein-up");
    },

    swapDescription: function() {
      let shdC = this.countries.shift();
      let shdT = this.texts.shift();

      let count = $countries.length;
      if (count > this.index + 4) {
        this.countries.push($countries[this.index + 5]);
        this.texts.push($texts[this.index + 5]);
      }
      else {
        this.countries.push(shdC);
        this.texts.push(shdT);
      }
      this.index === count ? this.index = 0 : this.index++;
      this.initDescriptions();
    },

    initDescriptions: function () {
      let length = this.countries.length;
      $(this.countries[0]).removeClass("hide fadein-up");
      $(this.countries[length - 1]).addClass("hide").removeClass("fadeout-up");
      $(this.texts[0]).removeClass("hide fadein-up");
      $(this.texts[length - 1]).addClass("hide").removeClass("fadeout-up");
    }
  };

  var curBlocks = {
    blocks: $videos.slice(),
    index: 0,

    swapBlocks: function() {
      let shd = this.blocks.shift();
      let count = $videos.length;
      if (count > this.index + 4) {
        this.blocks.push($videos[this.index + 5]);
      }
      else {
        this.blocks.push(shd);
      }
      this.index === count ? this.index = 0 : this.index++;
      initScene();
    }
  };

  var block = {
    width: 32,
    heigth: 31,
    b2scale: 30 / 32,
    b3scale: 28 / 32,
    upHeigth: 1,

    b2caclH: 0,
    b3caclH: 0,
    
    interact: false
  };

  var initScene = function() {
    block.b2caclH =
        block.heigth * (1 - block.b2scale) * (1 / block.b2scale) / 2
      + block.upHeigth * (1 / block.b2scale);
    block.b3caclH =
        block.heigth * (1 - block.b3scale) * (1 / block.b3scale) / 2
      + block.upHeigth * 2 * (1 / block.b3scale);

    curBlocks.blocks[0].style.transform = transforms.translate3D(0, 0, 0, "rem");
    curBlocks.blocks[1].style.transform =
        transforms.scale(block.b2scale, block.b2scale)
      + transforms.translate3D(0, block.b2caclH, 0, "rem");
    curBlocks.blocks[2].style.transform =
        transforms.scale(block.b3scale, block.b3scale)
      + transforms.translate3D(0, block.b3caclH, 0, "rem");
    curBlocks.blocks[3].style.transform =
        transforms.scale(block.b3scale, block.b3scale);

    curBlocks.blocks[0].style.opacity = 1;
    curBlocks.blocks[1].style.opacity = 0.1;
    curBlocks.blocks[2].style.opacity = 0.03;
    curBlocks.blocks[3].style.opacity = 0;

    curBlocks.blocks[0].className = "slide slide1 index4";
    curBlocks.blocks[1].className = "slide index3";
    curBlocks.blocks[2].className = "slide index2";
    curBlocks.blocks[3].className = "slide index1";
    bindDrag();
  };

  initScene();

  var drag = {
    degree: 2.7,
    upHeight: 1.5,
    maxDrag: 75,
    b2scale: 0.98,
    b3scale: 0.95,
    dx: 0,
    frameBusy: false,
    helloSafari: 2.9 // need to add this coz of strange behavior
  };

  var dragBlock = function() {
    const maxStep = drag.maxDrag;
    let curStep = drag.dx;
    if (curStep > maxStep) curStep = maxStep;
    if (curStep < -maxStep) curStep = -maxStep;

    let progress = curStep / maxStep;
    let curDeg = drag.degree * progress;
    let curUpLen = drag.upHeight * Math.abs(curStep) / maxStep;
    let curScaleBlock2 = drag.b2scale + (1 - drag.b2scale) * (maxStep - curStep) / maxStep;
    let curScaleBlock3 = drag.b3scale + (1 - drag.b3scale) * (maxStep - curStep) / maxStep;

    curBlocks.blocks[0].style.transform =
        transforms.perspective(220, "rem")
      + transforms.rotate(curDeg)
      + transforms.rotate3d(1, 1, 0, curDeg * 3)
      + transforms.translate3D(0, -curUpLen, 0, "rem");

    curBlocks.blocks[1].style.transform =
        transforms.scale(block.b2scale * curScaleBlock2, block.b2scale * curScaleBlock2)
      + transforms.translate3D(0, block.b2caclH - curUpLen / 4, 0, "rem")
      + transforms.rotate(curDeg / 3)
      + transforms.rotate3d(1, 1, 0, curDeg * drag.helloSafari);

    curBlocks.blocks[2].style.transform =
        transforms.scale(block.b3scale * curScaleBlock3, block.b3scale * curScaleBlock3)
      + transforms.translate3D(0, block.b3caclH + curUpLen / 1.5 , 0, "rem")
      + transforms.rotate(-curDeg)
      + transforms.rotate3d(1, 1, 0, curDeg * drag.helloSafari);

    curBlocks.blocks[0].style.opacity = 1;
    curBlocks.blocks[1].style.opacity = fromTo(0.1, 0.7, progress);
    curBlocks.blocks[2].style.opacity = fromTo(0.03, 0.07, progress);
    curBlocks.blocks[3].style.opacity = 0;

    drag.frameBusy = false;
  };

  var throwing = {
    animating: false,
    curStep: 0,
    maxStep: 15
  };

  var throwBlock = function() {
    if (++throwing.curStep > throwing.maxStep) {
      $(document).off("mousedown touchstart");
      throwing.curStep = 0;
      drag.dx = 0;
      curBlocks.blocks[0].children[0].pause();
      curBlocks.swapBlocks();
      return;
    }

    let progress = easing.inCubic(throwing.curStep, 0, 1, throwing.maxStep);
    let delta = easing.inCubic(throwing.curStep, 0, 1, throwing.maxStep) * 40;

    curBlocks.blocks[0].style.transform =
        transforms.rotate(drag.degree + delta / 2)
      + transforms.rotate3d(1, 1, 0, drag.degree * 3)
      + transforms.translate3D(delta, -drag.upHeight - delta / 1.2, 0, "rem");

    let b2Scale = fromTo(block.b2scale * drag.b2scale, 1, progress);
    let b2TransY = fromTo(block.b2caclH - drag.upHeight / 4, 0, progress);
    let b2Rot = fromTo(drag.degree / 3, 0, progress);

    curBlocks.blocks[1].style.transform =
        transforms.scale(b2Scale, b2Scale)
      + transforms.translate3D(0, b2TransY, 0, "rem")
      + transforms.rotate(b2Rot)
      + transforms.rotate3d(1, 1, 0, drag.degree * drag.helloSafari);

    let b3Scale = fromTo(block.b3scale * drag.b3scale, block.b2scale, progress);
    let b3TransY = fromTo(block.b3caclH + drag.upHeight / 1.5, block.b2caclH, progress);
    let b3Rot = fromTo(-drag.degree, 0, progress);

    curBlocks.blocks[2].style.transform =
        transforms.scale(b3Scale, b3Scale)
      + transforms.translate3D(0, b3TransY , 0, "rem")
      + transforms.rotate(b3Rot)
      + transforms.rotate3d(1, 1, 0, drag.degree * drag.helloSafari);

    curBlocks.blocks[3].style.transform =
        transforms.scale(block.b3scale, block.b3scale)
      + transforms.translate3D(0, fromTo(0, block.b3caclH, progress) , 0, "rem");

    curBlocks.blocks[0].style.opacity = fromTo(1, 0.5, progress);
    curBlocks.blocks[1].style.opacity = fromTo(0.7, 1, progress);
    curBlocks.blocks[2].style.opacity = fromTo(0.07, 0.1, progress);
    curBlocks.blocks[3].style.opacity = fromTo(0, 0.03, progress);

    requestAnimationFrame(throwBlock);
  };

  function bindDrag() {
    $(document).on("mousedown touchstart", ".slide1", function (e) {
      const startX = e.pageX || e.originalEvent.touches[0].pageX;
      const startY = e.pageY || e.originalEvent.touches[0].pageY;
      block.interact = true;

      $(document).on("mousemove touchmove", function (e) {
        let curX = e.pageX || e.originalEvent.touches[0].pageX;
        let curY = e.pageY || e.originalEvent.touches[0].pageY;

        if (curX - startX <= 0) curX = startX;
        if (curY - startY >= 0) curY = startY;

        drag.dx = Math.sqrt(Math.pow(curX - startX, 2) + Math.pow(curY - startY, 2));

        if (!drag.dx) return;
        if (drag.frameBusy) return;
        drag.frameBusy = true;
        requestAnimationFrame(dragBlock);
      });

      $(document).on("mouseup touchend", function (e) {
        $(document).off("mousemove touchmove mouseup touchend");
        if (Math.abs(drag.dx) < drag.maxDrag) {
          drag.dx = 0;
          requestAnimationFrame(dragBlock);
        }
        else {
          descriptions.animateDescription();
          setTimeout(descriptions.swapDescription.bind(descriptions), descriptions.timeout);
          curBlocks.blocks[1].children[0].play();
          requestAnimationFrame(throwBlock);
        }
      });
    });
  };
  
  (function prevAnimation() {
    let initDel = 500;
    let frames = drag.maxDrag;
    let spd = 15;
    for (let i = 1; i < frames; i++) {
      setTimeout(() => {
        if (!block.interact) {
          drag.dx = i;
          if (drag.frameBusy) return;
          requestAnimationFrame(dragBlock);
        }
      }, initDel + spd * i);
    }
    for (let i = frames; i >= 0; i--) {
      setTimeout(() => {
        if (!block.interact) {
          drag.dx = i;
          if (drag.frameBusy) return;
          requestAnimationFrame(dragBlock);
        }
      }, initDel + spd * (frames * 2 + 1 - i));
    }
  })();
});
            
          
!
999px
Loading ..................

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