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gsap03.html
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gsap03.html
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<!DOCTYPE html>
<html lang="ko">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>GSAP Scroll Effect</title>
<link href="https://webfontworld.github.io/NexonLv1Gothic/NexonLv1Gothic.css" rel="stylesheet">
<style>
* {
margin: 0;
padding: 0;
}
a {
color: #fff;
text-decoration: none;
}
body {
color: #fff;
font-family: "NexonLv1Gothic";
font-weight: 300;
background-color: #111;
}
#parallax__title {
position: fixed;
left: 20px;
top: 20px;
z-index: 1000;
}
#parallax__title h1 {
font-size: 30px;
border-bottom: 1px dashed #fff;
margin-bottom: 10px;
padding-bottom: 5px;
font-weight: 400;
display: inline-block;
}
#parallax__title p {
font-size: 16px;
}
#parallax__title ul {
margin-top: 10px;
}
#parallax__title li {
display: inline;
}
#parallax__title li a {
width: 20px;
height: 20px;
border-radius: 50%;
border: 1px dashed #fff;
display: inline-block;
text-align: center;
line-height: 20px;
font-size: 12px;
}
#parallax__title li.active a {
background: #fff;
color: #000;
}
/* parallax__cont */
#parallax__cont {
overflow: hidden;
}
.parallax__item {
width: 100%;
height: 100vh;
position: relative;
display: flex;
align-items: center;
justify-content: center;
flex-direction: column;
}
#section2,
#section4,
#section6,
#section8 {
background-color: #222;
}
.parallax__item__num {
position: absolute;
right: 20px;
bottom: 20px;
font-size: 3vw;
line-height: 1;
z-index: 10;
}
.parallax__item__img {
position: absolute;
left: 0;
top: 0;
width: 100%;
height: 100vh;
background-color: #fff;
background-size: cover;
background-position: center;
}
.parallax__item__img::after {
content: '';
position: absolute;
left: 0;
top: 0;
width: 100%;
height: 100vh;
background-color: rgba(0,0,0,0.7);
z-index: 1;
}
#section1 .parallax__item__img {
background-image: url(assets/img/images02@2.jpg);
}
#section2 .parallax__item__img {
background-image: url(assets/img/images03@2.jpg);
}
#section3 .parallax__item__img {
background-image: url(assets/img/images04@2.jpg);
}
#section4 .parallax__item__img {
background-image: url(assets/img/images05@2.jpg);
}
#section5 .parallax__item__img {
background-image: url(assets/img/images06@2.jpg);
}
#section6 .parallax__item__img {
background-image: url(assets/img/images07@2.jpg);
}
#section7 .parallax__item__img {
background-image: url(assets/img/images08@2.jpg);
}
#section8 .parallax__item__img {
background-image: url(assets/img/images09@2.jpg);
}
#section9 .parallax__item__img {
background-image: url(assets/img/images10@2.jpg);
}
.parallax__item__title {
font-size: 5vw;
z-index: 100;
text-transform: uppercase;
display: inline-block;
}
</style>
</head>
<body>
<header id="parallax__title">
<h1>GSAP Parallax Effect03</h1>
<p>GSAP scrollTrigger - 배경 고정하기</p>
<ul>
<li><a href="gsap01.html">1</a></li>
<li><a href="gsap02.html">2</a></li>
<li class="active"><a href="gsap03.html">3</a></li>
<li><a href="gsap04.html">4</a></li>
<li><a href="gsap05.html">5</a></li>
<li><a href="gsap06.html">6</a></li>
<li><a href="gsap07.html">7</a></li>
<li><a href="gsap08.html">8</a></li>
<li><a href="gsap09.html">9</a></li>
<li><a href="gsap10.html">10</a></li>
<li><a href="gsap11.html">11</a></li>
<li><a href="gsap12.html">12</a></li>
<li><a href="gsap13.html">13</a></li>
<li><a href="gsap14.html">14</a></li>
<li><a href="gsap15.html">15</a></li>
</ul>
</header>
<!-- //parallax__title -->
<main id="parallax__cont">
<section id="section1" class="parallax__item">
<span class="parallax__item__num">01</span>
<div class="parallax__item__img"></div>
<h2 class="parallax__item__title">section1</h2>
</section>
<!-- //section1 -->
<section id="section2" class="parallax__item">
<span class="parallax__item__num">02</span>
<div class="parallax__item__img"></div>
<h2 class="parallax__item__title">section2</h2>
</section>
<!-- //section2 -->
<section id="section3" class="parallax__item">
<span class="parallax__item__num">03</span>
<div class="parallax__item__img"></div>
<h2 class="parallax__item__title">section3</h2>
</section>
<!-- //section3 -->
<section id="section4" class="parallax__item">
<span class="parallax__item__num">04</span>
<div class="parallax__item__img"></div>
<h2 class="parallax__item__title">section4</h2>
</section>
<!-- //section4 -->
<section id="section5" class="parallax__item">
<span class="parallax__item__num">05</span>
<div class="parallax__item__img"></div>
<h2 class="parallax__item__title">section5</h2>
</section>
<!-- //section5 -->
<section id="section6" class="parallax__item">
<span class="parallax__item__num">06</span>
<div class="parallax__item__img"></div>
<h2 class="parallax__item__title">section6</h2>
</section>
<!-- //section6 -->
<section id="section7" class="parallax__item">
<span class="parallax__item__num">07</span>
<div class="parallax__item__img"></div>
<h2 class="parallax__item__title">section7</h2>
</section>
<!-- //section7 -->
<section id="section8" class="parallax__item">
<span class="parallax__item__num">08</span>
<div class="parallax__item__img"></div>
<h2 class="parallax__item__title">section8</h2>
</section>
<!-- //section8 -->
<section id="section9" class="parallax__item">
<span class="parallax__item__num">09</span>
<div class="parallax__item__img"></div>
<h2 class="parallax__item__title">section9</h2>
</section>
<!-- //section9 -->
</main>
<script src="https://cdnjs.cloudflare.com/ajax/libs/gsap/3.11.5/gsap.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/gsap/3.11.5/ScrollTrigger.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/gsap/3.12.1/ScrollToPlugin.min.js"></script>
<script>
// 01. 한개 섹션 고정시키기
// const panel = document.querySelector("#section5");
// ScrollTrigger.create({
// trigger: panel,
// start: "top top",
// pin: true,
// pinSpacing: false
// });
// 02. 여러개 섹션 고정시키기
// gsap.utils.toArray(".parallax__item").forEach((panel, i) => {
// ScrollTrigger.create({
// trigger: panel,
// start: "top top",
// pin: true,
// pinSpacing: false
// });
// });
// 03. 스냅 고정 효과 만들기
let panels = gsap.utils.toArray(".parallax__item");
let tops = panels.map(panel => ScrollTrigger.create({trigger: panel, start: "top top"}));
panels.forEach((panel, i) => {
ScrollTrigger.create({
trigger: panel,
start: () => panel.offsetHeight < window.innerHeight ? "top top" : "bottom bottom",
pin: true,
pinSpacing: false
});
});
ScrollTrigger.create({
snap: {
snapTo: (progress, self) => {
let panelStarts = tops.map(st => st.start),
snapScroll = gsap.utils.snap(panelStarts, self.scroll());
return gsap.utils.normalize(0, ScrollTrigger.maxScroll(window), snapScroll);
},
duration: 0.5
}
});
</script>
</body>
</html>