129 lines
3.8 KiB
JavaScript
129 lines
3.8 KiB
JavaScript
document.addEventListener("DOMContentLoaded", (event) => {
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// ---------------------------------------------
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// js__fixLeft 오른쪽에 따라 왼쪽 내용 변하기
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// 사용 클래스 : js__fixLeft_tit, js__fixLeft_bg, js__fixLeft_sec
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// ---------------------------------------------
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gsap.registerPlugin(ScrollTrigger);
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const tits = document.querySelectorAll(".js__fixLeft_tit");
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const bgs = document.querySelectorAll(".js__fixLeft_bg");
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const sections = document.querySelectorAll(".js__fixLeft_sec");
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function bgOnEnter(element) {
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gsap.to(element, {
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transform: "scale(1.05)",
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duration: 0.5
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});
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}
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function bgOnLeave(element) {
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gsap.to(element, {
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transform: "scale(1)",
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duration: 0.5
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});
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}
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function titOnEnter(element) {
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gsap.to(element, {
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opacity: 1,
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transform: "scale(1) translate(0%, 0%)",
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duration: 0.5
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});
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}
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function titOnLeave(element) {
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gsap.to(element, {
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opacity: 0.5,
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transform: "scale(0.7) translate(-30%, 0%)",
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duration: 0.5
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});
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}
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function updateElements(index) {
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bgs.forEach((bg, i) => {
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if (i === index) {
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bg.classList.add("on");
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bgOnEnter(bg);
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} else {
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bg.classList.remove("on");
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bgOnLeave(bg);
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}
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});
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tits.forEach((tit, i) => {
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if (i === index) {
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tit.classList.add("on");
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titOnEnter(tit);
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} else {
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tit.classList.remove("on");
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titOnLeave(tit);
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}
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});
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}
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ScrollTrigger.create({
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trigger: sections[0],
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start: "center top",
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end: "center top",
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// markers: true,
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onEnter: () => updateElements(0),
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onLeaveBack: () => updateElements(0)
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});
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ScrollTrigger.create({
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trigger: sections[1],
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start: "top center",
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end: "top center",
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// markers: true,
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onEnter: () => updateElements(1),
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onLeaveBack: () => updateElements(1)
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});
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// ---------------------------------------------
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// js__height 스크롤 하면 높이 높아지기
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// 사용 클래스 : js__height_item, js__text, js__height_trigger
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// ---------------------------------------------
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gsap.set(".js__height_item", {height: "20vh"});
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gsap.set(".js__height_text1", {opacity: 1});
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gsap.set(".js__height_text2", {opacity: 0});
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const bottomToCenter = gsap.timeline();
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// ScrollTrigger 설정
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ScrollTrigger.create({
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animation: bottomToCenter,
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trigger: ".js__height_trigger",
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start: "top top",
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end: "+=800",
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pin: true,
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duration: 0.5,
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// markers: true,
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// scrub: true,
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// anticipatePin: 1,
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onUpdate: (self) => {
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const item = document.querySelector(".js__height_item");
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const text1 = document.querySelector(".js__height_text1");
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const text2 = document.querySelector(".js__height_text2");
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if (self.progress > 0.4) {
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item.style.transition = '0.5s'
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item.style.height = '100vh';
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text1.style.opacity = '0';
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text2.style.transition = '0.5s'
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text2.style.opacity = '1';
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} else {
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item.style.height = '20vh';
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item.style.transition = '0.5s'
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text1.style.opacity = '1';
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text2.style.transition = '0.5s'
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text2.style.opacity = '0';
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}
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}
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});
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});
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