<div class="poster"> <div class="shine"></div> <div class="layer-1"></div> <div class="layer-2"></div> <div class="layer-3"></div> <div class="layer-4"></div> <div class="layer-5"></div> </div> <div.shine>是用于制作流光效果的图层。
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;
}
div[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('images/1.png');
}
.layer-2 {
background-image: url('images/2.png');
}
.layer-3 {
top: 0; bottom: 0;
left: 0; right: 0;
background-image: url('images/3.png');
}
.layer-4 {
background-image: url('images/4.png');
}
.layer-5 {
background-image: url('images/5.png');
}
<div data-offset="-2" class="layer-1"></div> <div class="layer-2"></div> <div data-offset="1" class="layer-3"></div> <div data-offset="3" class="layer-4"></div> <div data-offset="10" class="layer-5"></div>
var $poster = $('.poster'),
$shine = $('.shine'),
$layer = $('div[class*="layer-"]');
$(window).on('mousemove', function(e) {
var w = $(window).width(), //窗口宽度
h = $(window).height(), /窗口高度
offsetX = 0.5 - e.pageX / w, //鼠标X坐标
offsetY = 0.5 - e.pageY / h, //鼠标Y坐标
dy = e.pageY - h / 2, //@h/2 = 海报容器中心
dx = e.pageX - w / 2, //@w/2 = 海报容器中心
theta = Math.atan2(dy, dx), //鼠标和海报中心的RAD角度
angle = theta * 180 / Math.PI - 90, //转换 rad 为 degrees
offsetPoster = $poster.data('offset'),
transformPoster = 'translateY(' + -offsetX * offsetPoster + 'px) rotateX(' + (-offsetY * offsetPoster) + 'deg)
rotateY(' + (offsetX * (offsetPoster * 2)) + 'deg)';
//get angle between 0-360
if (angle < 0) {
angle = angle + 360;
}
//gradient angle and opacity
$shine.css('background', 'linear-gradient(' + angle + 'deg, rgba(255,255,255,' + e.pageY / h * .5 + ') 0%,rgba(255,255,255,0) 80%)');
//poster transform
$poster.css('transform', transformPoster);
//parallax foreach layer
$layer.each(function() {
var $this = $(this),
offsetLayer = $this.data('offset') || 0,
transformLayer = 'translateX(' + offsetX * offsetLayer + 'px) translateY(' + offsetY * offsetLayer + 'px)';
$this.css('transform', transformLayer);
});
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