패럴렉스 이펙트01

Top

section1

얕은 사람은 행운을 믿으며, 강한 사람은 원인과 결과를 믿는다.

section2

지난 일은 어쩔 수 없는 바 슬퍼한들 이미 엎질러진 물이다.

section3

행동하는 사람처럼 생각하고, 생각하는 사람처럼 행동하라.

section4

실수할 자유가 없는 자유란 가치가 없다.

section5

끝까지 해보기 전까지는 늘 불가능해 보입니다.

section6

고통은 잠깐이다. 포기는 영원히 남는다.

section7

희망을 품지 않은 자는 절망도 할 수 없다.

section8

뭔가를 위해 시도조차하려는 용기가 없다면 삶이 무슨 의미가 있을까?

section9

꿈을 꾸세요. 그러면 그 꿈이 당신을 만들 것입니다.

소스 보기

Javascript

HTML

CSS

window.addEventListener("scroll", () => {
    let scrollTop = window.pageYOffset || window.scrollY || document.documentElement.scrollTop;

    // //01 메뉴 버튼
    // if (scrollTop > 0) {
    //     document.querySelector("#parallax__nav").classList.add("show");
    // } else {
    //     document.querySelector("#parallax__nav").classList.remove("show");
    // }

    //메뉴 active
    document.querySelectorAll(".content__item").forEach((el, i) => {
        if (scrollTop > el.offsetTop - 500) {
            document.querySelectorAll("#parallax__nav li").forEach((li) => {
                li.classList.remove("active");
            });
            document.querySelector("#parallax__nav li:nth-child(" + (i + 1) + ")").classList.add("active");
        }
    });

    //02 top 버튼 
    if (scrollTop > (document.body.scrollHeight - window.outerHeight)) {
        document.querySelector("#parallax__top").classList.add("show");
    } else {
        document.querySelector("#parallax__top").classList.remove("show");
    } 


    document.querySelector("#parallax__info span").innerText = Math.ceil(scrollTop);

})

//top 버튼
document.querySelector("#parallax__top").addEventListener("click", () => {
    window.scrollTo({ left: 0, top: 0, behavior: "smooth" });
})

//03
let nowScroll = true;
let lastScroll = 0;

function scrollProgress() {
    nowScroll = true;

    setInterval(() => {
        if (nowScroll) {    //움직였으니 트루
            nowScroll = false; //그 뒤 움직이지 않으니 false. 0.3초에 한번씩만 실행
            hasScroll();
        }
    }, 300)
}
//위의 내용이 포인트, 시간차를 줘서 작동시키는 것

//스크롤 할때마다가 아니라 일정한 간격
function hasScroll() {
    let scrollTop = window.pageYOffset || window.scrollY || document.documentElement.scrollTop;

    if (scrollTop < lastScroll) {
        document.querySelector("#parallax__nav").classList.add("show")
    } else {
        document.querySelector("#parallax__nav").classList.remove("show")
    }
    lastScroll = scrollTop; //과거 값을 넣어준다 그것을 무제한으로 하지 않게 인터벌을 준 것. 버벅이기에 시간 차를 줌.
}

window.addEventListener("scroll", scrollProgress);

<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 class="contents">
        <section id="section1" class="content__item">
            <!-- //각 섹션에 content__item으로 클래스 부여 -->
            <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">얕은 사람은 행운을 믿으며, 강한 사람은 원인과 결과를 믿는다.</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">지난 일은 어쩔 수 없는 바 슬퍼한들 이미 엎질러진 물이다.</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">행동하는 사람처럼 생각하고, 생각하는 사람처럼 행동하라.</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">실수할 자유가 없는 자유란 가치가 없다.</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">끝까지 해보기 전까지는 늘 불가능해 보입니다.</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">고통은 잠깐이다. 포기는 영원히 남는다.</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">희망을 품지 않은 자는 절망도 할 수 없다.</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">뭔가를 위해 시도조차하려는 용기가 없다면 삶이 무슨 의미가 있을까?</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">꿈을 꾸세요. 그러면 그 꿈이 당신을 만들 것입니다.</p>
        </section>
        <!-- //section9 -->
    </div>
</main>
<!-- //main -->

<aside id="parallax__info">
    <div class="scroll">scrollTop : <span>0</span>px</div>
</aside>
<!-- //parallax__info -->

/* parallax */
/* parallax__nav */
#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 0.4s 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: #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-weight: 100;
    font-family: 'Lato';
    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_bg19-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;
}

.content__item:nth-child(1) .content__item__img {
    background-image: linear-gradient(rgba(0, 0, 0, 0.3), rgba(0, 0, 0, 0.3)), url(../assets/img/effect_bg20-min.jpg);
}

.content__item:nth-child(2) .content__item__img {
    background-image: linear-gradient(rgba(0, 0, 0, 0.3), rgba(0, 0, 0, 0.3)), url(../assets/img/effect_bg19-min.jpg);
}

.content__item:nth-child(3) .content__item__img {
    background-image: linear-gradient(rgba(0, 0, 0, 0.3), rgba(0, 0, 0, 0.3)), url(../assets/img/effect_bg18-min.jpg);
}

.content__item:nth-child(4) .content__item__img {
    background-image: linear-gradient(rgba(0, 0, 0, 0.3), rgba(0, 0, 0, 0.3)), url(../assets/img/effect_bg17-min.jpg);
}

.content__item:nth-child(5) .content__item__img {
    background-image: linear-gradient(rgba(0, 0, 0, 0.3), rgba(0, 0, 0, 0.3)), url(../assets/img/effect_bg16-min.jpg);
}

.content__item:nth-child(6) .content__item__img {
    background-image: linear-gradient(rgba(0, 0, 0, 0.3), rgba(0, 0, 0, 0.3)), url(../assets/img/effect_bg15-min.jpg);
}

.content__item:nth-child(7) .content__item__img {
    background-image: linear-gradient(rgba(0, 0, 0, 0.3), rgba(0, 0, 0, 0.3)), url(../assets/img/effect_bg14-min.jpg);
}

.content__item:nth-child(8) .content__item__img {
    background-image: linear-gradient(rgba(0, 0, 0, 0.3), rgba(0, 0, 0, 0.3)), url(../assets/img/effect_bg13-min.jpg);
}

.content__item:nth-child(9) .content__item__img {
    background-image: linear-gradient(rgba(0, 0, 0, 0.3), rgba(0, 0, 0, 0.3)), url(../assets/img/effect_bg12-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 {
    /* 2n도 가능 */
    margin-left: auto;
    margin-right: -4vw;
}

#parallax__info {
    position: fixed;
    left: 20px;
    bottom: 20px;
    z-index: 2000;
    background: rgba(0, 0, 0, 0.6);
    color: #fff;
    padding: 20px;
    border-radius: 10px;
}

#parallax__info li,
.scroll {
    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: -220px;
    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: 10px;
    cursor: pointer;
    transition: all 0.3s;
}

#parallax__top.show {
    bottom: 20px;
}

#parallax__top:hover {
    background: #fff;
    color: #000;
}