슬라이드 이펙트06

이미지1

이미지2

이미지3

이미지4

이미지5

소스 보기

Javascript

HTML

CSS

const sliderWrap = document.querySelector(".slider__wrap");
const sliderImg = document.querySelector(".slider__img");       // 보여지는 영역
const sliderInner = document.querySelector(".slider__inner");   // 움직이는 영역
const slider = document.querySelectorAll(".slider");            // 각각 이미지
const sliderDot = document.querySelector(".slider__dot");      // 닷 메뉴
const sliderBtn = document.querySelector(".slider__btn");      // 닷 메뉴
const sliderBtnPrev = document.querySelector(".slider__btn .prev"); //왼쪽 버튼
const sliderBtnNext = document.querySelector(".slider__btn .next"); //오른쪽 버튼

let currentIndex = 0,
    sliderLength = slider.length,   // 슬라이더 갯수
    sliderWidth = slider[0].offsetWidth,
    sliderFirst = slider[0],    // 첫번째 이미지
    sliderLast = slider[sliderLength - 1],  // 마지막 이미지
    cloneFirst = sliderFirst.cloneNode(true),    // 첫번째 이미지 복사
    cloneLast = sliderLast.cloneNode(true),    // 마지막 이미지 복사
    dotIndex = '',
    num = 0;


sliderInner.appendChild(cloneFirst);
sliderInner.insertBefore(cloneLast, sliderFirst);
function init() {
    // 이미지 갯수 만큼 닷메뉴 생기게
    for (let i = 0; i < sliderLength; i++) {
        dotIndex += "<a href='#' class='dot'></a>";
    }
    sliderDot.innerHTML = dotIndex;
    sliderDot.firstElementChild.classList.add("active");
}
init();

function gotoSlider(direction) {
    sliderInner.classList.add("transition");
    sliderBtn.classList.add("disable");

    posInitial = sliderInner.offsetLeft;
    //console.log(posInitial)

    if (direction == -1) {
        sliderInner.style.left = (posInitial + sliderWidth) + "px";
        currentIndex--;
        dotActive(direction);
    } else if (direction == 1) {
        sliderInner.style.left = (posInitial - sliderWidth) + "px";
        currentIndex++;
        dotActive(direction);
    }
}

// 순간이동 이미지 슬라이드
function checkIndex() {
    sliderInner.classList.remove("transition");
    //console.log(currentIndex);

    // 마지막 이미지
    if (currentIndex == sliderLength) {
        sliderInner.style.left = -(1 * sliderWidth) + "px";
        currentIndex = 0;
    }

    //처음 이미지
    if (currentIndex == -1) {
        sliderInner.style.left = -(sliderLength * sliderWidth) + "px";
        currentIndex = sliderLength - 1;
    }
}

//닷 엑티브 
function dotActive(act) {
    document.querySelectorAll(".dot").forEach((e, i) => {
        e.classList.remove("active");
    });

    if (act === -1) {
        num == 0 ? (num = 4) : (num = (num - 1) % sliderLength);
        sliderDot.children[num].classList.add("active");
    } else if (act === 1) {
        num = (num + 1) % sliderLength;
        sliderDot.children[num].classList.add("active");
    }
}

sliderBtnPrev.addEventListener("click", () => {
    gotoSlider(-1);
    setTimeout(() => {
        sliderBtn.classList.remove("disable");
    }, 300)
})
sliderBtnNext.addEventListener("click", () => {
    gotoSlider(1);
    setTimeout(() => {
        sliderBtn.classList.remove("disable");
    }, 300)
})
sliderInner.addEventListener("transitionend", checkIndex);

<main id="main">
    <section id="sliderType03">
        <div class="slider__wrap">
            <div class="slider__img">
                <div class="slider__inner">
                    <div class="slider"><span>이미지1</span><img src="../assets/img/effect_bg01-min.jpg" alt="이미지1">
                    </div>
                    <div class="slider"><span>이미지2</span><img src="../assets/img/effect_bg02-min.jpg" alt="이미지2">
                    </div>
                    <div class="slider"><span>이미지3</span><img src="../assets/img/effect_bg03-min.jpg" alt="이미지3">
                    </div>
                    <div class="slider"><span>이미지4</span><img src="../assets/img/effect_bg04-min.jpg" alt="이미지4">
                    </div>
                    <div class="slider"><span>이미지5</span><img src="../assets/img/effect_bg05-min.jpg" alt="이미지5">
                    </div>
                </div>
            </div>
            <div class="slider__btn">
                <button href="#" class="prev">prev</button>
                <button href="#" class="next">next</button>
            </div>
            <div class="slider__dot">
                <!-- <a href="#" class="dot active">이미지1</a>
                <a href="#" class="dot">이미지2</a>
                <a href="#" class="dot">이미지3</a>
                <a href="#" class="dot">이미지4</a>
                <a href="#" class="dot">이미지5</a> -->
            </div>
        </div>
    </section>
</main>

/* slider */
.slider__wrap {
    width: 100%;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.slider__img {
    /* 이미지 보이는 영역 */
    position: relative;
    width: 800px;
    height: 450px;
    overflow: hidden;
}

.slider__inner {
    /* 이미지를 감싸고 있는 부모 : 움직이는 부분 */
    display: flex;
    flex-wrap: wrap;
    width: 10000px;
    height: 450px;
    position: relative;
    left: -800px;
    /* transition: all 0.3s; */
}

.slider__inner.transition {
    transition: all 0.3s;
}

.slider {
    /* 개별적인 이미지 */
    position: relative;
    width: 800px;
    height: 450px;
}

.slider span {
    position: absolute;
    left: 5px;
    top: 5px;
    background: rgba(0, 0, 0, 0.4);
    color: #fff;
    padding: 5px 10px;
}

@media (max-width: 800px) {
    .slider__img {
        width: 400px;
        height: 225px;
    }
}

.slider__btn button {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    background: rgba(0, 0, 0, 0.4);
    text-align: center;
    line-height: 50px;
    transition: all 0.2s;
    display: block;
    color: #fff;
    pointer-events: auto;
    border: 0;
    cursor: pointer;
}

.slider__btn.disable button {
    pointer-events: none;
}

.slider__btn button:hover {
    border-radius: 50%;
    background: rgba(241, 96, 86, 1);
}

.slider__btn button.prev {
    left: 0;
}

.slider__btn button.next {
    right: 0;
}

.slider__dot {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    bottom: 20px;
}

.slider__dot .dot {
    width: 20px;
    height: 20px;
    background: rgba(0, 0, 0, 0.4);
    display: inline-block;
    border-radius: 50%;
    text-indent: -9999px;
    transition: all 0.3s;
    margin: 3px;
}

.slider__dot .dot.active {
    background: rgba(255, 255, 255, 0.9);
}