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Swiper demo.html
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<!DOCTYPE html>
<!-- saved from url=(0041)https://www.tweenmax.com.cn/cool/tuigirl/ -->
<html lang="en"><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Swiper demo</title>
<link rel="stylesheet" href="./Swiper demo_files/swiper.min.css">
<style>
html, body {
position: relative;
height: 100%;
width: 100%;
}
body {
margin: 0;
overflow: hidden;
}
#preload{
position:absolute;
width:100%;
height:100%;
left:0;
top:0;
z-index:200;
display:flex;
justify-content: center;
align-items: center;
}
.preload-bg{
position:absolute;
width:100%;
height:100%;
background:#000;
}
#preload .tip{
display:inline;
color:#fff;
font-size:4vw;
text-transform:uppercase;
font-weight:bold;
line-height:1;
position:relative;
overflow:hidden;
}
.tip-bg{
position:absolute;
width:0px;
height:100%;
background:#fff;
}
.swiper-container {
width: 100%;
height: 100%;
z-index: 100;
}
#txt {
position: absolute;
top: 0;
left: 0;
width: 100%;
height: 100%;
z-index: 10;
}
.box {
position: absolute;
left: 0;
top: 0;
width: 100%;
height: 100%;
}
h2 {
cursor: pointer;
color: #fff;
font-size: 11vw;
line-height: 0;
letter-spacing: -0.04em;
display: inline;
position: absolute;
max-width: 74.61937%;
white-space: normal;
left: 0;
bottom: calc(50% - 75px);
margin-left: 12.69031%;
}
.swiper-slide h2 {
display: none;
}
</style>
</head>
<body style="">
<div id="preload" style="visibility: hidden; opacity: 0;"><div class="preload-bg" style="transform: translate(101%, 0%) matrix(1, 0, 0, 1, 0, 0);"></div><div class="tip"><div class="tip-bg" style="width: 100%; transform: translate(101%, 0%) matrix(1, 0, 0, 1, 0, 0);"></div><span class="tiptxt" style="visibility: hidden; opacity: 0;">girls</span></div></div>
<div class="swiper-container swiper-container-initialized swiper-container-horizontal" style="cursor: grab;">
<div class="swiper-wrapper" style="transition-duration: 0ms; transform: translate3d(0px, 0px, 0px);">
<div class="swiper-slide swiper-slide-active" data-poster="uploads/img1.jpg" style="width: 1440px;">
<h2>TuiGirl</h2>
</div>
<div class="swiper-slide swiper-slide-next" data-poster="uploads/img2.jpg" style="width: 1440px;">
<h2>MissLeg</h2>
</div>
<div class="swiper-slide" data-poster="uploads/img3.jpg" style="width: 1440px;">
<h2>IMiss</h2>
</div>
<div class="swiper-slide" data-poster="uploads/img4.jpg" style="width: 1440px;">
<h2>MFStar</h2>
</div>
</div>
<div id="txt"><div class="box" style="transform: translate3d(0px, 0px, 0px);">
<h2>TuiGirl</h2>
</div><div class="box" style="transform: translate3d(1152px, 0px, 0px);">
<h2>MissLeg</h2>
</div><div class="box" style="transform: translate3d(2304px, 0px, 0px);">
<h2>IMiss</h2>
</div><div class="box" style="transform: translate3d(3456px, 0px, 0px);">
<h2>MFStar</h2>
</div></div>
<span class="swiper-notification" aria-live="assertive" aria-atomic="true"></span></div>
<canvas id="shows" style="position: absolute; left: 0px; top: 0px;" width="1440" height="740"></canvas>
<script src="./Swiper demo_files/jquery-1.10.1.min.js.下载"></script>
<script src="./Swiper demo_files/swiper.min.js.下载"></script>
<script src="./Swiper demo_files/TweenMax.min.js.下载"></script>
<script>
//预加载图片
slides = $('.swiper-slide');
Img = [];
slides.each(function(index, element) {
Img[index] = new Image();
Img[index].src = slides.eq(index).attr('data-poster');
slidesLength = index
//使用附加文本替换virtualTranslate，避免鼠标滚轮失效
$("#txt").append('<div class="box">' + slides.eq(index).html() + '</div>')
});
tweenObj = {
translate: 0
};
var canvas = document.getElementById("shows");
ctx = canvas.getContext("2d");
window.onload = function() {
var mySwiper = new Swiper('.swiper-container', {
watchSlidesProgress: true,
// virtualTranslate:true,较好的解决方案但会导致滚轮失效
mousewheel: true,
grabCursor: true,
autoplay: true,
speed:700,//限制滚轴时间间隔
on: {
init: function() {
resize(this);
/*预加载动画*/
tl = new TimelineMax();
tl.to(".tip-bg", 0.5, {width:'100%'})
.set(".tiptxt",{autoAlpha:0})
.to(".tip-bg", 0.5, {x:'101%'}, "+=0.2")
.to(".preload-bg", 0.5, {x:'101%'}, "-=0.1")
.set("#preload", {autoAlpha:0})
},
resize: function() {
resize(this);
},
setTranslate: function() {
draw(this, 1);
},
},
});
}
function resize(swiper) {
clientWidth = document.body.clientWidth
clientHeight = document.body.clientHeight
// 每一个显示块的宽度
blockWidth = clientWidth / 5
// 使用的图片大小 720/1280=0.5625
// 图片裁剪区域
if (clientHeight / clientWidth > 0.5625) {
cutWidth = 720 * clientWidth / clientHeight
cutX = (1280 - cutWidth) / 2
cutHeight = 720
cutY = 0
} else {
cutHeight = 1280 * clientHeight / clientWidth
cutY = (720 - cutHeight) / 2
cutWidth = 1280
cutX = 0
}
canvas.width = clientWidth;
canvas.height = clientHeight;
draw(swiper);
}
function draw(swiper, speed) {
if (typeof(speed) == "undefined") {
speed = 0.3;
}
TweenMax.killAll();
TweenMax.to(tweenObj, speed, {tlanslate: swiper.translate, ease: Power4.easeOut, onUpdate: function() {
//如果超出显示范围添加黑色背景
if (swiper.progress < 0 || swiper.progress > 1) {
ctx.fillStyle = "#000000";
ctx.fillRect(0, 0, clientWidth, clientHeight);
}
tlanslate = tweenObj.tlanslate
for (i = 0; i <= slidesLength; i++) {
percent = -tlanslate / clientWidth - i
if (Math.abs(percent) <= 1 ) {
n2scale = 2 - Math.abs(percent) * 2
if (n2scale > 1) {
n2scale = 1
}
n1scale = 1 - Math.abs(percent) * 2
if (n1scale < 0) {
n1scale = 0
}
//画5个块，裁剪出位移差
ctx.drawImage(Img[i], cutX + cutWidth * percent * 0.2 + cutWidth / 5 * Math.abs(percent) * 2, cutY, cutWidth / 5 * n1scale, cutHeight, (clientWidth * i + tlanslate) * 0.6 + blockWidth * (1 - n1scale), 0, blockWidth * n1scale, clientHeight);
ctx.drawImage(Img[i], cutX + cutWidth / 5 - cutWidth * percent * 0.1 + cutWidth / 5 - cutWidth / 5 * n2scale, cutY, cutWidth / 5 * n2scale, cutHeight, (clientWidth * i + tlanslate) * 0.6 + blockWidth + blockWidth - blockWidth * n2scale, 0, blockWidth * n2scale, clientHeight);
ctx.drawImage(Img[i], cutX + cutWidth / 5 * 2 - cutWidth * percent * 0.4, cutY, cutWidth / 5, cutHeight, (clientWidth * i + tlanslate) * 0.6 + blockWidth * 2, 0, blockWidth, clientHeight);
ctx.drawImage(Img[i], cutX + cutWidth / 5 * 3 - cutWidth * percent * 0.1, cutY, cutWidth / 5 * n2scale, cutHeight, (clientWidth * i + tlanslate) * 0.6 + blockWidth * 3, 0, blockWidth * n2scale, clientHeight);
ctx.drawImage(Img[i], cutX + cutWidth / 5 * 4 + cutWidth * percent * 0.2, cutY, cutWidth / 5 * n1scale, cutHeight, (clientWidth * i + tlanslate) * 0.6 + blockWidth * 4, 0, blockWidth * n1scale, clientHeight);
}
//设置文字相对位置，右边缩进0.8，左边加大1.2倍
modifer = 1
if (i > -tlanslate / clientWidth) {
modifer = 0.8
}
if (i < -tlanslate / clientWidth) {
modifer = 1.2
}
swiper.$el.find('.box').eq(i).transform('translate3d(' + (tlanslate / clientWidth + i) * clientWidth * modifer + 'px, 0, 0)');
}
}
})
}
</script>
</body></html>