在我的网站here上,我用CSS和Javascript实现了多层视差滚动。页面上下滚动,我有6层都在视差中移动。后退的每一层的滚动速度都比前一层稍微慢一些。
在我单击右上角的汉堡包菜单之前,这个实现一直有效。
我不确定为什么当幻灯片菜单弹出时,这些层不能正确地堆叠在一起。
下面是用于视差滚动的CSS:
.layer {
background-position: bottom center;
background-size: auto;
background-repeat: no-repeat;
width: 100%;
height: 800px;
position: fixed;
z-index: -1;
}
.layer-bg {
background-image: url("http://www.reynelee.com/wp-content/uploads/2017/12/layer1.png");
}
.layer-1 {
background-image: url("http://www.reynelee.com/wp-content/uploads/2017/12/layer2.png\a ");
background-position: left bottom;
}
.layer-2 {
background-image: url("http://www.reynelee.com/wp-content/uploads/2017/12/layer3.png");
}
.layer-3 {
background-image: url("http://www.reynelee.com/wp-content/uploads/2017/12/layer4.png\a ");
background-position: right bottom;
}下面是JS:
(function() {
window.addEventListener('scroll', function(event) {
var depth, i, layer, layers, len, movement, topDistance, translate3d;
topDistance = this.pageYOffset;
layers = document.querySelectorAll("[data-type='parallax']");
for (i = 0, len = layers.length; i < len; i++) {
layer = layers[i];
depth = layer.getAttribute('data-depth');
movement = -(topDistance * depth);
translate3d = 'translate3d(0, ' + movement + 'px, 0)';
layer.style['-webkit-transform'] = translate3d;
layer.style['-moz-transform'] = translate3d;
layer.style['-ms-transform'] = translate3d;
layer.style['-o-transform'] = translate3d;
layer.style.transform = translate3d;
}
});
}).call(this);HTML:
<div id='hero'>
<div class='layer-bg layer' data-depth='0.10' data-type='parallax'></div>
<div class='layer-1 layer' data-depth='0.20' data-type='parallax'></div>
<div class='layer-2 layer' data-depth='0.50' data-type='parallax'></div>
<div class='layer-3 layer' data-depth='0.80' data-type='parallax'></div>
<div class='layer-overlay layer' data-depth='0.85' data-type='parallax'></div>
<!-- <div class='layer-4 layer' data-depth='0.90' data-type='parallax'></div> -->
<div class='layer-logo layer' data-depth='0.95' data-type='parallax'> <a id='portfolio-button' href="http://www.reynelee.com/my-work/">View Work</a></div> <!-- my logo-->
<!-- <div class='layer-close layer' data-depth='1.00' data-type='parallax'></div> -->
</div>发布于 2018-01-18 04:06:52
问题是由transform css属性引起的。例如,如果您应用以下规则:
#page {
transform: translateX(0);
}您将注意到,如果没有打开菜单,则会导致相同的问题。我以前遇到过这种情况,我忘记了术语的实际名称,但应用transform会导致浏览器以某种方式对其进行不同的处理。我的建议是在# translateX(0)元素上应用这个页面,并根据这个默认位置重新计算视差div的位置。我知道这不是一个完整的答案,但它应该会让你振作起来。
https://stackoverflow.com/questions/48308832
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