<html>
<head lang="ch">
<meta charset="UTF-8">
<meta name=”viewport” content="width=device-width, user-scalable=no, initial-scale=1.0">
<title></title>
<style>
body,
html {
padding: 0;
margin: 0;
}
body,
html {
height: 100%;
overflow: hidden;
}
#container,
.section {
height: 100%;
}
.section {
background-color: #000;
background-size: cover;
background-position: 50% 50%;
}
#section0 {
background-color: #83af9b;
}
#section1 {
background-color: #764d39;
}
#section2 {
background-color: #ff9000;
}
#section3 {
background-color: #380d31;
}
</style>
</head>
<body>
<div id="container">
<div class="section" id="section0"></div>
<div class="section" id="section1"></div>
<div class="section" id="section2"></div>
<div class="section" id="section3"></div>
</div>
<script src="http://code.jquery.com/jquery-latest.js"></script>
<script>
var curIndex = 0;
var container = $("#container");
var sumCount = $(".section").length;
var $window = $(window);
var duration = 500;
//时间控制
var aniTime = 0;
var scrollFunc = function (e) {
//如果动画还没执行完，则return
if (new Date().getTime() < aniTime + duration) {
return;
}
e = e || window.event;
var t = 0;
if (e.wheelDelta) {//IE/Opera/Chrome
t = e.wheelDelta;
if (t > 0 && curIndex > 0) {
//上滚动
movePrev();
} else if (t < 0 && curIndex < sumCount - 1) {
//下滚动
moveNext();
}
} else if (e.detail) {//Firefox
t = e.detail;
if (t < 0 && curIndex > 0) {
//上滚动
movePrev();
} else if (t > 0 && curIndex < sumCount - 1) {
//下滚动
moveNext();
}
}
};
function moveNext() {
//获取动画开始时的时间
aniTime = new Date().getTime();
container.css("transform", "translate3D(0, -" + (++curIndex) * $window.height() + "px, 0)");
}
function movePrev() {
//获取动画开始时的时间
aniTime = new Date().getTime();
container.css("transform", "translate3D(0, -" + (--curIndex) * $window.height() + "px, 0)");
}
function init() {
/*注册事件*/
if (document.addEventListener) {
document.addEventListener('DOMMouseScroll', scrollFunc, false);
}//W3C
window.onmousewheel = document.onmousewheel = scrollFunc;//IE/Opera/Chrome
container.css({
"transition": "all 0.5s",
"-moz-transition": "all 0.5s",
"-webkit-transition": "all 0.5s"
});
}
init();
</script>
</body>
</html>
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