Center Mode Carousel using GSAP

Center Mode Carousel using GSAP Demo

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Center Mode Carousel using GSAP Code

HTML

<div class="app">

	<div class="cardList">
		<button class="cardList__btn btn btn--left">
			<div class="icon">
				<svg>
					<use xlink:href="#arrow-left"></use>
				</svg>
			</div>
		</button>

		<div class="cards__wrapper">
			<div class="card current--card">
				<div class="card__image">
					<img src="https://source.unsplash.com/Z8dtTatMVMw" alt="" />
				</div>
			</div>

			<div class="card next--card">
				<div class="card__image">
					<img src="https://source.unsplash.com/9dmycbFE7mQ" alt="" />
				</div>
			</div>

			<div class="card previous--card">
				<div class="card__image">
					<img src="https://source.unsplash.com/m7K4KzL5aQ8" alt="" />
				</div>
			</div>
		</div>

		<button class="cardList__btn btn btn--right">
			<div class="icon">
				<svg>
					<use xlink:href="#arrow-right"></use>
				</svg>
			</div>
		</button>
	</div>

	<div class="infoList">
		<div class="info__wrapper">
			<div class="info current--info">
				<h1 class="text name">Highlands</h1>
				<h4 class="text location">Scotland</h4>
				<p class="text description">The mountains are calling</p>
			</div>

			<div class="info next--info">
				<h1 class="text name">Machu Pichu</h1>
				<h4 class="text location">Peru</h4>
				<p class="text description">Adventure is never far away</p>
			</div>

			<div class="info previous--info">
				<h1 class="text name">Chamonix</h1>
				<h4 class="text location">France</h4>
				<p class="text description">Let your dreams come true</p>
			</div>
		</div>
	</div>


	<div class="app__bg">
		<div class="app__bg__image current--image">
			<img src="https://source.unsplash.com/Z8dtTatMVMw" alt="" />
		</div>
		<div class="app__bg__image next--image">
			<img src="https://source.unsplash.com/9dmycbFE7mQ" alt="" />
		</div>
		<div class="app__bg__image previous--image">
			<img src="https://source.unsplash.com/m7K4KzL5aQ8" alt="" />
		</div>
	</div>
</div>

<div class="loading__wrapper">
	<div class="loader--text">Loading...</div>
	<div class="loader">
		<span></span>
	</div>
</div>


<svg class="icons" style="display: none;">
	<symbol id="arrow-left" xmlns='http://www.w3.org/2000/svg' viewBox='0 0 512 512'>
		<polyline points='328 112 184 256 328 400'
					 style='fill:none;stroke:#fff;stroke-linecap:round;stroke-linejoin:round;stroke-width:48px' />
	</symbol>
	<symbol id="arrow-right" xmlns='http://www.w3.org/2000/svg' viewBox='0 0 512 512'>
		<polyline points='184 112 328 256 184 400'
					 style='fill:none;stroke:#fff;stroke-linecap:round;stroke-linejoin:round;stroke-width:48px' />
	</symbol>
</svg>











<div class="support">
	<a href="https://twitter.com/DevLoop01" target="_blank"><i class="fab fa-twitter-square"></i></a>
	<a href="https://dribbble.com/devloop01" target="_blank"><i class="fab fa-dribbble"></i></a>
</div>

CSS

@import url("https://fonts.googleapis.com/css2?family=Montserrat:wght@500;600;700;800&display=swap");
:root {
  --card-width: 200px;
  --card-height: 300px;
  --card-transition-duration: 800ms;
  --card-transition-easing: ease;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  width: 100%;
  height: 100vh;
  /*display: flex;
  justify-content: center;
  align-items: center;*/
  background: rgba(0, 0, 0, 0.787);
  overflow: hidden;
}
.main-content {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}
button {
  border: none;
  background: none;
  cursor: pointer;
}
button:focus {
  outline: none;
  border: none;
}

.app {
  position: relative;
  width: 100%;
  height: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
}
.app__bg {
  position: absolute;
  width: 100%;
  height: 100%;
  z-index: -5;
  filter: blur(8px);
  pointer-events: none;
  user-select: none;
  overflow: hidden;
}
.app__bg::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background: #000;
  z-index: 1;
  opacity: 0.8;
}
.app__bg__image {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%) translateX(var(--image-translate-offset, 0));
  width: 180%;
  height: 180%;
  transition: transform 1000ms ease, opacity 1000ms ease;
  overflow: hidden;
}
.app__bg__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.app__bg__image.current--image {
  opacity: 1;
  --image-translate-offset: 0;
}
.app__bg__image.previous--image, .app__bg__image.next--image {
  opacity: 0;
}
.app__bg__image.previous--image {
  --image-translate-offset: -25%;
}
.app__bg__image.next--image {
  --image-translate-offset: 25%;
}

.cardList {
  position: absolute;
  width: calc(3 * var(--card-width));
  height: auto;
}
.cardList__btn {
  --btn-size: 35px;
  width: var(--btn-size);
  height: var(--btn-size);
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 100;
}
.cardList__btn.btn--left {
  left: -5%;
}
.cardList__btn.btn--right {
  right: -5%;
}
.cardList__btn .icon {
  width: 100%;
  height: 100%;
}
.cardList__btn .icon svg {
  width: 100%;
  height: 100%;
}
.cardList .cards__wrapper {
  position: relative;
  width: 100%;
  height: 100%;
  perspective: 1000px;
}

.card {
  --card-translateY-offset: 100vh;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%) translateX(var(--card-translateX-offset)) translateY(var(--card-translateY-offset)) rotateY(var(--card-rotation-offset)) scale(var(--card-scale-offset));
  display: inline-block;
  width: var(--card-width);
  height: var(--card-height);
  transition: transform var(--card-transition-duration) var(--card-transition-easing);
  user-select: none;
}
.card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background: #000;
  z-index: 1;
  transition: opacity var(--card-transition-duration) var(--card-transition-easing);
  opacity: calc(1 - var(--opacity));
}
.card__image {
  position: relative;
  width: 100%;
  height: 100%;
}
.card__image img {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.card.current--card {
  --current-card-rotation-offset: 0;
  --card-translateX-offset: 0;
  --card-rotation-offset: var(--current-card-rotation-offset);
  --card-scale-offset: 1.2;
  --opacity: 0.8;
}
.card.previous--card {
  --card-translateX-offset: calc(-1 * var(--card-width) * 1.1);
  --card-rotation-offset: 25deg;
}
.card.next--card {
  --card-translateX-offset: calc(var(--card-width) * 1.1);
  --card-rotation-offset: -25deg;
}
.card.previous--card, .card.next--card {
  --card-scale-offset: 0.9;
  --opacity: 0.4;
}

.infoList {
  position: absolute;
  width: calc(3 * var(--card-width));
  height: var(--card-height);
  pointer-events: none;
}
.infoList .info__wrapper {
  position: relative;
  width: 100%;
  height: 100%;
  display: flex;
  justify-content: flex-start;
  align-items: flex-end;
  perspective: 1000px;
  transform-style: preserve-3d;
}

.info {
  margin-bottom: calc(var(--card-height) / 8);
  margin-left: calc(var(--card-width) / 1.5);
  transform: translateZ(2rem);
  transition: transform var(--card-transition-duration) var(--card-transition-easing);
}
.info .text {
  position: relative;
  font-family: "Montserrat";
  font-size: calc(var(--card-width) * var(--text-size-offset, 0.2));
  white-space: nowrap;
  color: #fff;
  width: fit-content;
}
.info .name,
.info .location {
  text-transform: uppercase;
}
.info .location {
  font-weight: 800;
}
.info .location {
  --mg-left: 40px;
  --text-size-offset: 0.12;
  font-weight: 600;
  margin-left: var(--mg-left);
  margin-bottom: calc(var(--mg-left) / 2);
  padding-bottom: 0.8rem;
}
.info .location::before, .info .location::after {
  content: "";
  position: absolute;
  background: #fff;
  left: 0%;
  transform: translate(calc(-1 * var(--mg-left)), -50%);
}
.info .location::before {
  top: 50%;
  width: 20px;
  height: 5px;
}
.info .location::after {
  bottom: 0;
  width: 60px;
  height: 2px;
}
.info .description {
  --text-size-offset: 0.065;
  font-weight: 500;
}
.info.current--info {
  opacity: 1;
  display: block;
}
.info.previous--info, .info.next--info {
  opacity: 0;
  display: none;
}

.loading__wrapper {
  position: fixed;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  background: #000;
  z-index: 200;
}
.loading__wrapper .loader--text {
  color: #fff;
  font-family: "Montserrat";
  font-weight: 500;
  margin-bottom: 1.4rem;
}
.loading__wrapper .loader {
  position: relative;
  width: 200px;
  height: 2px;
  background: rgba(255, 255, 255, 0.25);
}
.loading__wrapper .loader span {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background: red;
  transform: scaleX(0);
  transform-origin: left;
}

@media only screen and (min-width: 800px) {
  :root {
    --card-width: 250px;
    --card-height: 400px;
  }
}
.support {
  position: absolute;
  right: 10px;
  bottom: 10px;
  padding: 10px;
  display: flex;
}
.support a {
  margin: 0 10px;
  color: #fff;
  font-size: 1.8rem;
  backface-visibility: hidden;
  transition: all 150ms ease;
}
.support a:hover {
  transform: scale(1.1);
}

Scripts

<script src="https://unpkg.com/imagesloaded@4/imagesloaded.pkgd.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/gsap/3.3.3/gsap.min.js"></script>

Javascript

console.clear();

const { gsap, imagesLoaded } = window;

const buttons = {
	prev: document.querySelector(".btn--left"),
	next: document.querySelector(".btn--right"),
};
const cardsContainerEl = document.querySelector(".cards__wrapper");
const appBgContainerEl = document.querySelector(".app__bg");

const cardInfosContainerEl = document.querySelector(".info__wrapper");

buttons.next.addEventListener("click", () => swapCards("right"));

buttons.prev.addEventListener("click", () => swapCards("left"));

function swapCards(direction) {
	const currentCardEl = cardsContainerEl.querySelector(".current--card");
	const previousCardEl = cardsContainerEl.querySelector(".previous--card");
	const nextCardEl = cardsContainerEl.querySelector(".next--card");

	const currentBgImageEl = appBgContainerEl.querySelector(".current--image");
	const previousBgImageEl = appBgContainerEl.querySelector(".previous--image");
	const nextBgImageEl = appBgContainerEl.querySelector(".next--image");

	changeInfo(direction);
	swapCardsClass();

	removeCardEvents(currentCardEl);

	function swapCardsClass() {
		currentCardEl.classList.remove("current--card");
		previousCardEl.classList.remove("previous--card");
		nextCardEl.classList.remove("next--card");

		currentBgImageEl.classList.remove("current--image");
		previousBgImageEl.classList.remove("previous--image");
		nextBgImageEl.classList.remove("next--image");

		currentCardEl.style.zIndex = "50";
		currentBgImageEl.style.zIndex = "-2";

		if (direction === "right") {
			previousCardEl.style.zIndex = "20";
			nextCardEl.style.zIndex = "30";

			nextBgImageEl.style.zIndex = "-1";

			currentCardEl.classList.add("previous--card");
			previousCardEl.classList.add("next--card");
			nextCardEl.classList.add("current--card");

			currentBgImageEl.classList.add("previous--image");
			previousBgImageEl.classList.add("next--image");
			nextBgImageEl.classList.add("current--image");
		} else if (direction === "left") {
			previousCardEl.style.zIndex = "30";
			nextCardEl.style.zIndex = "20";

			previousBgImageEl.style.zIndex = "-1";

			currentCardEl.classList.add("next--card");
			previousCardEl.classList.add("current--card");
			nextCardEl.classList.add("previous--card");

			currentBgImageEl.classList.add("next--image");
			previousBgImageEl.classList.add("current--image");
			nextBgImageEl.classList.add("previous--image");
		}
	}
}

function changeInfo(direction) {
	let currentInfoEl = cardInfosContainerEl.querySelector(".current--info");
	let previousInfoEl = cardInfosContainerEl.querySelector(".previous--info");
	let nextInfoEl = cardInfosContainerEl.querySelector(".next--info");

	gsap.timeline()
		.to([buttons.prev, buttons.next], {
		duration: 0.2,
		opacity: 0.5,
		pointerEvents: "none",
	})
		.to(
		currentInfoEl.querySelectorAll(".text"),
		{
			duration: 0.4,
			stagger: 0.1,
			translateY: "-120px",
			opacity: 0,
		},
		"-="
	)
		.call(() => {
		swapInfosClass(direction);
	})
		.call(() => initCardEvents())
		.fromTo(
		direction === "right"
		? nextInfoEl.querySelectorAll(".text")
		: previousInfoEl.querySelectorAll(".text"),
		{
			opacity: 0,
			translateY: "40px",
		},
		{
			duration: 0.4,
			stagger: 0.1,
			translateY: "0px",
			opacity: 1,
		}
	)
		.to([buttons.prev, buttons.next], {
		duration: 0.2,
		opacity: 1,
		pointerEvents: "all",
	});

	function swapInfosClass() {
		currentInfoEl.classList.remove("current--info");
		previousInfoEl.classList.remove("previous--info");
		nextInfoEl.classList.remove("next--info");

		if (direction === "right") {
			currentInfoEl.classList.add("previous--info");
			nextInfoEl.classList.add("current--info");
			previousInfoEl.classList.add("next--info");
		} else if (direction === "left") {
			currentInfoEl.classList.add("next--info");
			nextInfoEl.classList.add("previous--info");
			previousInfoEl.classList.add("current--info");
		}
	}
}

function updateCard(e) {
	const card = e.currentTarget;
	const box = card.getBoundingClientRect();
	const centerPosition = {
		x: box.left + box.width / 2,
		y: box.top + box.height / 2,
	};
	let angle = Math.atan2(e.pageX - centerPosition.x, 0) * (35 / Math.PI);
	gsap.set(card, {
		"--current-card-rotation-offset": `${angle}deg`,
	});
	const currentInfoEl = cardInfosContainerEl.querySelector(".current--info");
	gsap.set(currentInfoEl, {
		rotateY: `${angle}deg`,
	});
}

function resetCardTransforms(e) {
	const card = e.currentTarget;
	const currentInfoEl = cardInfosContainerEl.querySelector(".current--info");
	gsap.set(card, {
		"--current-card-rotation-offset": 0,
	});
	gsap.set(currentInfoEl, {
		rotateY: 0,
	});
}

function initCardEvents() {
	const currentCardEl = cardsContainerEl.querySelector(".current--card");
	currentCardEl.addEventListener("pointermove", updateCard);
	currentCardEl.addEventListener("pointerout", (e) => {
		resetCardTransforms(e);
	});
}

initCardEvents();

function removeCardEvents(card) {
	card.removeEventListener("pointermove", updateCard);
}

function init() {

	let tl = gsap.timeline();

	tl.to(cardsContainerEl.children, {
		delay: 0.15,
		duration: 0.5,
		stagger: {
			ease: "power4.inOut",
			from: "right",
			amount: 0.1,
		},
		"--card-translateY-offset": "0%",
	})
		.to(cardInfosContainerEl.querySelector(".current--info").querySelectorAll(".text"), {
		delay: 0.5,
		duration: 0.4,
		stagger: 0.1,
		opacity: 1,
		translateY: 0,
	})
		.to(
		[buttons.prev, buttons.next],
		{
			duration: 0.4,
			opacity: 1,
			pointerEvents: "all",
		},
		"-=0.4"
	);
}

const waitForImages = () => {
	const images = [...document.querySelectorAll("img")];
	const totalImages = images.length;
	let loadedImages = 0;
	const loaderEl = document.querySelector(".loader span");

	gsap.set(cardsContainerEl.children, {
		"--card-translateY-offset": "100vh",
	});
	gsap.set(cardInfosContainerEl.querySelector(".current--info").querySelectorAll(".text"), {
		translateY: "40px",
		opacity: 0,
	});
	gsap.set([buttons.prev, buttons.next], {
		pointerEvents: "none",
		opacity: "0",
	});

	images.forEach((image) => {
		imagesLoaded(image, (instance) => {
			if (instance.isComplete) {
				loadedImages++;
				let loadProgress = loadedImages / totalImages;

				gsap.to(loaderEl, {
					duration: 1,
					scaleX: loadProgress,
					backgroundColor: `hsl(${loadProgress * 120}, 100%, 50%`,
				});

				if (totalImages == loadedImages) {
					gsap.timeline()
						.to(".loading__wrapper", {
						duration: 0.8,
						opacity: 0,
						pointerEvents: "none",
					})
						.call(() => init());
				}
			}
		});
	});
};

waitForImages();