【发布时间】：2021-06-24 15:18:11
【问题描述】：
我正在构建一个顶部有一个框架的 Swiper 轮播（由鼠标滚动触发）。这就是设计
红色是应该覆盖旋转木马的框架。中间的洞是透明的
我尝试将红色图像制作为蒙版图像，以便我可以通过鼠标滚动来控制滑动轮播，但中心孔变为白色，红色是透明的！而我想要的恰恰相反，我想要孔移植和孔外的红色。
有什么方法可以在swiper carousel的顶部添加图片框架，并且仍然可以触发和控制位于frame下方的carousel？
代码：
// https://swiperjs.com/
// ===================== -->
var mySwiper = new Swiper('.swiper-container', {
// Optional parameters
direction: 'horizontal',
loop: true,
speed: 1200,
grabCursor: true,
mousewheel: true,
// If we need pagination
pagination: {
el: '.swiper-pagination',
type: 'bullets',
clickable: true,
},
// Navigation arrows
navigation: {
nextEl: '.swiper-button-next',
prevEl: '.swiper-button-prev',
},
on: {
slideChangeTransitionStart: function() {
// Slide captions
var swiper = this;
setTimeout(function() {
var currentTitle = $(swiper.slides[swiper.activeIndex]).attr("data-title");
var currentSubtitle = $(swiper.slides[swiper.activeIndex]).attr("data-subtitle");
}, 500);
gsap.to($(".current-title"), 0.4, {
autoAlpha: 0,
y: -40,
ease: Power1.easeIn
});
gsap.to($(".current-subtitle"), 0.4, {
autoAlpha: 0,
y: -40,
delay: 0.15,
ease: Power1.easeIn
});
},
slideChangeTransitionEnd: function() {
// Slide captions
var swiper = this;
var currentTitle = $(swiper.slides[swiper.activeIndex]).attr("data-title");
var currentSubtitle = $(swiper.slides[swiper.activeIndex]).attr("data-subtitle");
$(".slide-captions").html(function() {
return "<h2 class='current-title'>" + currentTitle + "</h2>" + "<h3 class='current-subtitle'>" + currentSubtitle + "</h3>";
});
gsap.from($(".current-title"), 0.4, {
autoAlpha: 0,
y: 40,
ease: Power1.easeOut
});
gsap.from($(".current-subtitle"), 0.4, {
autoAlpha: 0,
y: 40,
delay: 0.15,
ease: Power1.easeOut
});
}
}
});
// Slide captions
var currentTitle = $(mySwiper.slides[mySwiper.activeIndex]).attr("data-title");
var currentSubtitle = $(mySwiper.slides[mySwiper.activeIndex]).attr("data-subtitle");
$(".slide-captions").html(function() {
return "<h2 class='current-title'>" + currentTitle + "</h2>" + "<h3 class='current-subtitle'>" + currentSubtitle + "</h3>";
});body {
margin: 0;
}
/* Swiper */
.swiper-container {
position: absolute;
width: 100%;
height: 100vh;
mask-image: url(https://i.ibb.co/kmBv430/Frame.png);
mask-size: contain;
}
/* .above{
position:absolute;
left:25%;
background-color: #fff;
width: 200%;
height: 100vh;
z-index:2;
mask-image: radial-gradient(circle at center, transparent 49%, white 50%);
mask-size: contain;
mask-repeat: no-repeat;
} */
/* Swiper slides */
.swiper-slide {
position: relative;
z-index: 1;
}
.slide-1 {
background-color: #e67204;
}
.slide-2 {
background-color: #e67204;
}
.slide-3 {
background-color: #e67204;
}
.rounded-circle {
width: 400px;
height: 300px;
border-radius: 50%;
position: absolute;
top: 30%;
left: 35%
}
.htu {
position: absolute;
color: #fff;
font-size: 50px;
top: 39%;
left: 10%;
z-index: 2;
}
/* Slide captions */
.slide-captions {
position: absolute;
top: 50%;
left: 75%;
color: #FFF;
z-index: 999;
transform: translateY(-50%);
}
.slide-captions .current-title {
position: absolute;
left: 60%;
margin: 0;
font-size: 48px;
}
.slide-captions .current-subtitle {
margin: 10px 0 0 0;
font-size: 28px;
}
/* Swiper arrows */
.swiper-pagination-bullet-active {
background-color: #fff;
}
/* Swiper pagination */
.swiper-container-horizontal>.swiper-pagination-bullets {
bottom: 50px;
}
.swiper-button-prev,
.swiper-button-next {
color: #fff;
}<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/gsap/3.3.0/gsap.min.js"></script>
<script src="https://unpkg.com/swiper@6.3.2/swiper-bundle.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<!-- Slider main container -->
<div class="swiper-container">
<h1 class="htu">HOW TO USE</h1>
<div class="above"></div>
<!-- Additional required wrapper -->
<div class="swiper-wrapper">
<!-- Slides -->
<div class="swiper-slide slide-1" data-title="Slide One" data-subtitle="">
<img width="150" height="150" src="https://i.pravatar.cc/300" class="rounded-circle " alt="">
</div>
<div class="swiper-slide slide-2" data-title="Slide Two" data-subtitle=" ">
<img width="150" height="150" src="https://i.pravatar.cc/300" class="rounded-circle " alt="">
</div>
<div class="swiper-slide slide-3" data-title="Slide Three" data-subtitle=" ">
<img width="150" height="150" src="https://i.pravatar.cc/300" class="rounded-circle " alt="">
</div>
</div>
</div>
<!-- Slide captions -->
<div class="slide-captions"></div>
<!-- If we need pagination -->
<div class="swiper-pagination"></div>
<!-- If we need navigation buttons -->
<div class="swiper-button-prev"></div>
<div class="swiper-button-next"></div>
</div>【问题讨论】：
标签： javascript html css carousel swiper