如何基於CSS3和jQuery實現APPLE TV海報視差的效果

<p class="poster">
 <p class="shine"></p>
 <p class="layer-1"></p>
 <p class="layer-2"></p>
 <p class="layer-3"></p>
 <p class="layer-4"></p>
 <p class="layer-5"></p>
</p>

body, html { height: 100%; min-height: 100%; }

body { background: linear-gradient(to bottom, #f6f7fc 0%,#d5e1e8 40%); }

body {
  background: linear-gradient(to bottom, #f6f7fc 0%,#d5e1e8 40%);
  transform-style: preserve-3d;
  transform: perspective(800px);
}

.poster {
  width: 320px;
  height: 500px;
  position: absolute;
  top: 50%; left: 50%;
  margin: -250px 0 0 -160px;
  border-radius: 5px;
  box-shadow: 0 45px 100px rgba(0, 0, 0, 0.4);
  overflow:hidden;
}

p[class *= 'layer-']

p[class*="layer-"] {
  position: absolute;
  top: -10px; left: -10px;
  right: -10px; bottom: -10px;
  background-size: 100% auto;
  background-repeat: no-repeat;
  background-position: 0 0;
  transition:0.1s;
}

.layer-1 {
  background-image: url('http://designmodo.com/demo/apple-tv-parallax/images/1.png');
}
.layer-2 {
  background-image: url('http://designmodo.com/demo/apple-tv-parallax/images/2.png');
}
.layer-3 {
  top: 0; bottom: 0;
  left: 0; right: 0;
  background-image: url('http://designmodo.com/demo/apple-tv-parallax/images/3.png');
}
.layer-4 {
  background-image: url('http://designmodo.com/demo/apple-tv-parallax/images/4.png');
}
.layer-5 {
  background-image: url('http://designmodo.com/demo/apple-tv-parallax/images/5.png');
}

<p data-offset="15" class="poster">
  <p class="shine"></p>
  <p data-offset="-2" class="layer-1"></p>
  <p class="layer-2"></p>
  <p data-offset="1" class="layer-3"></p>
  <p data-offset="3" class="layer-4"></p>
  <p data-offset="10" class="layer-5"></p>
</p>

var $poster = $('.poster'),
$shine = $('.shine'),
$layer = $('p[class*="layer-"]');

$(window).on('mousemove', function(e) {
  var w=e.currentTarget.innerWidth,h=e.currentTarget.innerHeight;
  var offsetX = 0.5 - e.pageX / w, /* where e.pageX is our cursor X coordinate */
  offsetY = 0.5 - e.pageY / h,
  offsetPoster = $poster.data('offset'), /* custom value for animation depth */
  transformPoster = 'translateY(' + -offsetX * offsetPoster + 'px) rotateX(' + (-offsetY * offsetPoster) + 'deg) rotateY(' + (offsetX * (offsetPoster * 2)) + 'deg)';
  /* apply transform to $poster */
  $poster.css('transform', transformPoster);
  /* parallax foreach layer */
  /* loop thought each layer */
  /* get custom parallax value */
  /* apply transform */
  $layer.each(function() {
    var $this = $(this);
    var offsetLayer = $this.data('offset') || 0; /* get custom parallax value, if element docent have data-offset, then its 0 */
    var transformLayer = 'translateX(' + offsetX * offsetLayer + 'px) translateY(' + offsetY * offsetLayer + 'px)';
    $this.css('transform', transformLayer);
  });
});

.shine {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: linear-gradient(90deg, rgba(255,255,255,.5) 0%,rgba(255,255,255,0) 60%);
  z-index: 100;
}

var $poster = $('.poster');
  var $shine = $('.shine');
  var $layer = $('p[class *= "layer-"]');
  $poster.data("offset",15);
  $(window).on('mousemove', function(e) {
    var w=e.currentTarget.innerWidth,h=e.currentTarget.innerHeight;
    var offsetX = 0.5 - e.pageX / w, /* where e.pageX is our cursor X coordinate */
    offsetY = 0.5 - e.pageY / h,
    offsetPoster = $poster.data('offset'), /* custom value for animation depth */
    transformPoster = 'translateY(' + -offsetX * offsetPoster + 'px) rotateX(' + (-offsetY * offsetPoster) + 'deg) rotateY(' + (offsetX * (offsetPoster * 2)) + 'deg)';
    dy = e.pageY - h / 2,
    dx = e.pageX - w / 2,
    theta = Math.atan2(dy,dx), /* get angle in radians */
    angle = theta * 180 / Math.PI; /* convert rad in degrees */
    /* apply transform to $poster */
    $poster.css('transform', transformPoster);
    /* parallax foreach layer */
    /* loop thought each layer */
    /* get custom parallax value */
    /* apply transform */
    $layer.each(function() {
      var $this = $(this);
      var offsetLayer = $this.data('offset') || 0; /* get custom parallax value, if element docent have data-offset, then its 0 */
      var transformLayer = 'translateX(' + offsetX * offsetLayer + 'px) translateY(' + offsetY * offsetLayer + 'px)';
      $this.css('transform', transformLayer);
    });
  });

if (angle < 0) {
  angle = angle + 360;
}

$shine.css('background', 'linear-gradient(' + (angle - 90) + 'deg, rgba(255,255,255,' + e.pageY / h + ') 0%,rgba(255,255,255,0) 80%)');