패럴랙스 이펙트 03
이번에는 페럴랙스 이펙트 세번째 시간입니다.
1,2번 유형과 대체로 비슷하고 하단에 상단으로 한번에 이동하는 top 메뉴와 메뉴바 숨김 기능이 추가되었습니다.
01. HTML 코드
{
<nav id="parallax__nav">
<ul>
<li class="active"><a href="#section1">메뉴1</a></li>
<li><a href="#section2">메뉴2</a></li>
<li><a href="#section3">메뉴3</a></li>
<li><a href="#section4">메뉴4</a></li>
<li><a href="#section5">메뉴5</a></li>
<li><a href="#section6">메뉴6</a></li>
<li><a href="#section7">메뉴7</a></li>
<li><a href="#section8">메뉴8</a></li>
<li><a href="#section9">메뉴9</a></li>
</ul>
</nav>
<!--// parallax__nav -->
<div id="parallax__top">
Top
</div>
<!--// parallax__top -->
<main id="parallax__cont">
<div id="contents">
<section id="section1" class="content__item">
<span class="content__item__num">01</span>
<h2 class="content__item__title">section1</h2>
<figure class="content__item__imgWrap">
<div class="content__item__img"></div>
</figure>
<p class="content__item__desc">결과도 중요하지만, 과정을 더 중요하게 생각한다.</p>
</section>
<!-- //section1 -->
<section id="section2" class="content__item">
<span class="content__item__num">02</span>
<h2 class="content__item__title">section2</h2>
<figure class="content__item__imgWrap">
<div class="content__item__img"></div>
</figure>
<p class="content__item__desc">피할수 없으면 즐겨라</p>
</section>
<!-- //section2 -->
<section id="section3" class="content__item">
<span class="content__item__num">03</span>
<h2 class="content__item__title">section3</h2>
<figure class="content__item__imgWrap">
<div class="content__item__img"></div>
</figure>
<p class="content__item__desc">승리하면 조금 배울 수 있고 패배하면 모든 것을 배울 수 있다</p>
</section>
<!-- //section3 -->
<section id="section4" class="content__item">
<span class="content__item__num">04</span>
<h2 class="content__item__title">section4</h2>
<figure class="content__item__imgWrap">
<div class="content__item__img"></div>
</figure>
<p class="content__item__desc">과거를 지배하는 자가 마래를 지배하며 현재를 지배하는 자가 과거를 지배한다.</p>
</section>
<!-- //section4 -->
<section id="section5" class="content__item">
<span class="content__item__num">05</span>
<h2 class="content__item__title">section5</h2>
<figure class="content__item__imgWrap">
<div class="content__item__img"></div>
</figure>
<p class="content__item__desc">세상은 고통으로 가득하지만 한편 그것을 이겨내는 일로도 가득차 있다</p>
</section>
<!-- //section5 -->
<section id="section6" class="content__item">
<span class="content__item__num">06</span>
<h2 class="content__item__title">section6</h2>
<figure class="content__item__imgWrap">
<div class="content__item__img"></div>
</figure>
<p class="content__item__desc">가장 하기 힘든 일은 아무 일도 안하는 것이다</p>
</section>
<!-- //section6 -->
<section id="section7" class="content__item">
<span class="content__item__num">07</span>
<h2 class="content__item__title">section7</h2>
<figure class="content__item__imgWrap">
<div class="content__item__img"></div>
</figure>
<p class="content__item__desc">말을 많이 하는 것과 말을 잘하는 것은 다르다.</p>
</section>
<!-- //section7 -->
<section id="section8" class="content__item">
<span class="content__item__num">08</span>
<h2 class="content__item__title">section8</h2>
<figure class="content__item__imgWrap">
<div class="content__item__img"></div>
</figure>
<p class="content__item__desc">오늘 할 수 있는 일에 전력을 다하라, 그러면 내일에는 한 걸음 더 진보한다. </p>
</section>
<!-- //section8 -->
<section id="section9" class="content__item">
<span class="content__item__num">09</span>
<h2 class="content__item__title">section9</h2>
<figure class="content__item__imgWrap">
<div class="content__item__img"></div>
</figure>
<p class="content__item__desc">끝을 맺기를 처음과 같이 하면 실패가 없다.</p>
</section>
<!-- //section9 -->
</div>
</main>
<!-- //main -->
<aside id="parallax__info">
<div class="scroll">scrollTop : <span>0</span>px</div>
</aside>
<!-- parallax__info -->
}
02. CSS 코드
{
#parallax__nav {
position:fixed;
right: 20px;
top: -200px;
z-index: 2000;
background-color: rgba(0,0,0,0.4);
padding: 20px 30px;
border-radius: 50px;
transition: top .4s ease;
}
#parallax__nav.show {
top: 20px;
}
#parallax__nav li {
display: inline;
margin: 0 5px;
}
#parallax__nav li a {
display: inline-block;
height: 30px;
padding: 5px 20px;
text-align: center;
line-height: 30px;
}
#parallax__nav li.active a {
background-color: #fff;
color: #000;
border-radius: 20px;
box-sizing: content-box;
}
#parallax__cont {
max-width: 1600px;
width: 98%;
margin: 0 auto;
/* background-color: rgba(255,255,255,0.1); */
}
.content__item {
width: 1000px;
max-width: 70vw;
margin: 30vw auto;
/* background-color: rgba(255,255,255,0.3); */
text-align: left;
margin-right: 0;
position: relative;
padding-top: 8vw;
}
.content__item:nth-child(even){
margin-left: 0;
text-align: right;
}
.content__item__num {
font-size: 35vw;
font-family: 'Lato';
font-weight: 100;
position: absolute;
left: -5vw;
top: -16vw;
opacity: 0.07;
z-index: -2;
}
.content__item:nth-child(even) .content__item__num {
left: auto;
right: -5vw;
}
.content__item__title {
font-weight: 400;
text-transform: capitalize;
}
.content__item__imgWrap {
width: 100%;
padding-bottom: 56.25%;
background: #000;
position: relative;
overflow: hidden;
z-index: -1;
}
.content__item__img {
position: absolute;
background: url(../assets/img/effect_bg18-min.jpg);
background-repeat: no-repeat;
background-position: center center;
background-size: cover;
width: 110%;
height: 110%;
left: -5%;
top: -5%;
filter: saturate(0%);
transition: all 1s;
padding-top: 8vw;
}
.content__item:nth-child(1) .content__item__img {
background-image: url(../assets/img/effect_bg14-min.jpg);
}
.content__item:nth-child(2) .content__item__img {
background-image: url(../assets/img/effect_bg15-min.jpg);
}
.content__item:nth-child(3) .content__item__img {
background-image: url(../assets/img/effect_bg16-min.jpg);
}
.content__item:nth-child(4) .content__item__img {
background-image: url(../assets/img/effect_bg17-min.jpg);
}
.content__item:nth-child(5) .content__item__img {
background-image: url(../assets/img/effect_bg18-min.jpg);
}
.content__item:nth-child(6) .content__item__img {
background-image: url(../assets/img/effect_bg19-min.jpg);
}
.content__item:nth-child(7) .content__item__img {
background-image: url(../assets/img/effect_bg01-min.jpg);
}
.content__item:nth-child(8) .content__item__img {
background-image: url(../assets/img/effect_bg02-min.jpg);
}
.content__item:nth-child(9) .content__item__img {
background-image: url(../assets/img/effect_bg03-min.jpg);
}
.content__item__desc {
font-size: 4vw;
line-height: 1.4;
margin-top: -5vw;
margin-left: -4vw;
word-break: keep-all;
}
.content__item:nth-child(even) .content__item__desc {
margin-left: auto;
margin-right: -4vw;
}
#parallax__info {
position: fixed;
left: 20px;
bottom: 20px;
z-index: 2000;
background-color: rgba(0,0,0,0.4);
color: #fff;
padding: 20px;
border-radius: 10px;
}
#parallax__info li, .scrollTop {
line-height: 1.4;
}
@media (max-width: 800px){
#parallax__cont {
margin-top: 70vw;
}
#parallax__nav {
padding: 10px;
right: auto;
left: 10px;
top: 50%;
transform: translateY(-50%);
border-radius: 5px;
background-color: rgba(0,0,0,0.8);
}
#parallax__nav li {
display: block;
margin: 5px;
}
#parallax__nav li a {
font-size: 14px;
padding: 5px;
border-radius: 5px;
height: auto;
line-height: 1;
}
#parallax__nav li.active a {
border-radius: 5px;
}
#parallax__info {
left: 10px;
bottom: 10px;
}
}
#parallax__top {
position: fixed;
left: 50%;
bottom: -200px;
z-index: 10000;
transform: translateX(-50%);
width: 40px;
height: 40px;
background: rgba(0,0,0,0.4);
text-align: center;
line-height: 40px;
color: #fff;
border-radius: 50%;
padding: 20px;
cursor: pointer;
transition: all 0.3s;
}
#parallax__top.show {
bottom: 20px;
}
#parallax__top:hover {
background: #fff;
color: #000;
}
}
03. script 코드
{
window.addEventListener("scroll", () => {
let scrollTop = window.pageYOffset || window.scrollY || document.documentElement.scrollTop; //다써줌 브라우저 호환문제
// 01
// if(scrollTop > 0) {
// document.querySelector("#parallax__nav").classList.add("show");
// } else {
// document.querySelector("#parallax__nav").classList.remove("show");
// }
// 02
// top 버튼 보여주기/안보여주기
if(scrollTop + window.innerHeight >= document.body.scrollHeight){
document.querySelector("#parallax__top").classList.add("show");
} else {
document.querySelector("#parallax__top").classList.remove("show");
}
// top 버튼
document.querySelector("#parallax__top").addEventListener("click", () => {
window.scrollTo({left:0, top:0, behavior:"smooth"});
});
// 소수점 제거
document.querySelector("#parallax__info span").innerText = Math.ceil(scrollTop);
});
// 03 트리거
let nowScroll = true;
let lastScroll = 0;
function scrollProgress() {
nowScroll = true;
setInterval(() => {
if(nowScroll) {
nowScroll = false;
hasScroll();
}
}, 300)
}
// scrollTop < lastScroll 스크롤 올리고있다.
// scrollTop > lastScroll 스크롤 내리고있다.
function hasScroll() {
let scrollTop = window.pageYOffset || window.scrollY || document.documentElement.scrollTop;
// 스크롤을 올릴때 메뉴바를 보여주고, 내릴때 숨긴다.
if(scrollTop < lastScroll) {
document.querySelector("#parallax__nav").classList.add("show");
} else {
document.querySelector("#parallax__nav").classList.remove("show");
}
lastScroll = scrollTop;
}
window.addEventListener("scroll", scrollProgress);
}
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