Javascript 鼠标滚轮平滑滚动
我想在我的网站上创建平滑的滚动效果,如以下网站: 我只找到了以下脚本: 但是当你拿着滚动条滚动页面时,它就不起作用了 以下是我在身体上应用的代码:Javascript 鼠标滚轮平滑滚动,javascript,jquery,html,scroll,smooth,Javascript,Jquery,Html,Scroll,Smooth,我想在我的网站上创建平滑的滚动效果,如以下网站: 我只找到了以下脚本: 但是当你拿着滚动条滚动页面时,它就不起作用了 以下是我在身体上应用的代码: (function ($) { var self = this, container, running=false, currentY = 0, targetY = 0, oldY = 0, maxScrollTop= 0, minScrollTop, direction, onRenderCallback=null, fr
(function ($) {
var self = this, container, running=false, currentY = 0, targetY = 0, oldY = 0, maxScrollTop= 0, minScrollTop, direction, onRenderCallback=null,
fricton = 0.95, // higher value for slower deceleration
vy = 0,
stepAmt = 0.8,
minMovement= 0.3,
ts=0.1;
var updateScrollTarget = function (amt) {
targetY += amt;
vy += (targetY - oldY) * stepAmt;
oldY = targetY;
}
var render = function () {
if (vy < -(minMovement) || vy > minMovement) {
currentY = (currentY + vy);
if (currentY > maxScrollTop) {
currentY = vy = 0;
} else if (currentY < minScrollTop) {
vy = 0;
currentY = minScrollTop;
}
container.scrollTop(-currentY);
vy *= fricton;
// vy += ts * (currentY-targetY);
// scrollTopTweened += settings.tweenSpeed * (scrollTop - scrollTopTweened);
// currentY += ts * (targetY - currentY);
if(onRenderCallback){
onRenderCallback();
}
}
}
var animateLoop = function () {
if(! running)return;
requestAnimFrame(animateLoop);
render();
//log("45","animateLoop","animateLoop", "",stop);
}
var onWheel = function (e) {
e.preventDefault();
var evt = e.originalEvent;
var delta = evt.detail ? evt.detail * -1 : evt.wheelDelta / 40;
var dir = delta < 0 ? -1 : 1;
if (dir != direction) {
vy = 0;
direction = dir;
}
//reset currentY in case non-wheel scroll has occurred (scrollbar drag, etc.)
currentY = -container.scrollTop();
updateScrollTarget(delta);
}
/*
* http://paulirish.com/2011/requestanimationframe-for-smart-animating/
*/
window.requestAnimFrame = (function () {
return window.requestAnimationFrame ||
window.webkitRequestAnimationFrame ||
window.mozRequestAnimationFrame ||
window.oRequestAnimationFrame ||
window.msRequestAnimationFrame ||
function (callback) {
window.setTimeout(callback, 1000 / 60);
};
})();
/*
* http://jsbin.com/iqafek/2/edit
*/
var normalizeWheelDelta = function () {
// Keep a distribution of observed values, and scale by the
// 33rd percentile.
var distribution = [], done = null, scale = 30;
return function (n) {
// Zeroes don't count.
if (n == 0) return n;
// After 500 samples, we stop sampling and keep current factor.
if (done != null) return n * done;
var abs = Math.abs(n);
// Insert value (sorted in ascending order).
outer: do { // Just used for break goto
for (var i = 0; i < distribution.length; ++i) {
if (abs <= distribution[i]) {
distribution.splice(i, 0, abs);
break outer;
}
}
distribution.push(abs);
} while (false);
// Factor is scale divided by 33rd percentile.
var factor = scale / distribution[Math.floor(distribution.length / 3)];
if (distribution.length == 500) done = factor;
return n * factor;
};
}();
$.fn.smoothWheel = function () {
// var args = [].splice.call(arguments, 0);
var options = jQuery.extend({}, arguments[0]);
return this.each(function (index, elm) {
if(!('ontouchstart' in window)){
container = $(this);
container.bind("mousewheel", onWheel);
container.bind("DOMMouseScroll", onWheel);
//set target/old/current Y to match current scroll position to prevent jump to top of container
targetY = oldY = container.get(0).scrollTop;
currentY = -targetY;
minScrollTop = container.get(0).clientHeight - container.get(0).scrollHeight;
if(options.onRender){
onRenderCallback = options.onRender;
}
if(options.remove){
log("122","smoothWheel","remove", "");
running=false;
container.unbind("mousewheel", onWheel);
container.unbind("DOMMouseScroll", onWheel);
}else if(!running){
running=true;
animateLoop();
}
}
});
};
})(jQuery);
(函数($){
var self=this,container,running=false,currentY=0,targetY=0,oldY=0,maxScrollTop=0,minScrollTop,direction,onRenderCallback=null,
fricton=0.95,//减速越慢,值越高
vy=0,
步进金额=0.8,
最小移动=0.3,
ts=0.1;
var updateScrollTarget=函数(金额){
targetY+=金额;
vy+=(目标-旧版)*步进金额;
oldY=targetY;
}
var render=函数(){
如果(vy<-(最小移动量)| vy>最小移动量){
电流y=(电流y+vy);
如果(当前Y>maxScrollTop){
电流y=vy=0;
}else if(当前<最小值){
vy=0;
当前y=最小值;
}
container.scrollTop(-currentY);
vy*=弗里顿;
//vy+=ts*(当前目标);
//scrollTopTweened+=settings.tweenSpeed*(scrollTop-scrollTopTweened);
//电流Y+=ts*(目标-电流Y);
如果(onRenderCallback){
onRenderCallback();
}
}
}
var animateLoop=函数(){
如果(!运行)返回;
请求动画帧(animateLoop);
render();
//日志(“45”,“animateLop”,“animateLop”,“停止”);
}
var onWheel=功能(e){
e、 预防默认值();
var evt=原始事件;
var delta=evt.detail?evt.detail*-1:evt.wheelDelta/40;
var-dir=delta<0?-1:1;
if(dir!=方向){
vy=0;
方向=方向;
}
//如果发生非滚轮滚动(滚动条拖动等),则重置当前值
currentY=-container.scrollTop();
updateScrollTarget(增量);
}
/*
* http://paulirish.com/2011/requestanimationframe-for-smart-animating/
*/
window.requestAnimFrame=(函数(){
return window.requestAnimationFrame||
window.webkitRequestAnimationFrame||
window.mozRequestAnimationFrame||
window.oRequestAnimationFrame||
window.msRequestAnimationFrame||
函数(回调){
设置超时(回调,1000/60);
};
})();
/*
* http://jsbin.com/iqafek/2/edit
*/
var normalizeWheelDelta=函数(){
//保持观察值的分布,并按
//第33百分位。
var分布=[],完成=空,标度=30;
返回函数(n){
//零不算数。
如果(n==0)返回n;
//在500个样本之后,我们停止采样并保持当前因子。
如果(完成!=null)返回n*done;
var abs=数学上的abs(n);
//插入值(按升序排序)。
外部:do{//仅用于break goto
对于(变量i=0;i 如果(abs代码的问题是您试图将smoothWheel
应用于DOM主体。您可以做的是将所有div
包装在另一个div
(id=“wrapper”
)中,并将CSS和JS应用于此div
HTML
<body>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.2.0/jquery.min.js" type="text/javascript"></script>
<script src="http://fatlinesofcode.github.io/jquery.smoothwheel/src/jquery.smoothwheel.js" type="text/javascript"></script>
<div id="wrapper">
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
</div>
</body>
CSS
$(document).ready(function(){//alert('1')
$("#wrapper").smoothWheel();
});
#wrapper {
height:300px;
width:100%;
overflow:auto;
-webkit-overflow-scrolling: touch;
background: grey;
}
div {
height:100px;
width:100px;
background:lightblue;
margin-bottom : 50px;
}
这是一个相同的示例。您的代码在哪里?对不起,现在您可以看到我的代码了!