Smooth Scrolling

미리보기 안에서 스크롤하거나 마우스를 움직여 모션을 확인하세요.

<!doctype html>
<!-- Archived from GSAP Demo Hub / smooth-scrolling
Original editor: https://codepen.io/GreenSock/pen/KKXZOyZ
HTML/CSS/JS source panels are preserved separately. Runtime GSAP: 3.15.0 official distribution. -->
<html lang="en" class=""><head><meta charset="utf-8"><meta name="viewport" content="width=device-width,initial-scale=1"><title>Smooth Scrolling</title>
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="https://asset.wemashup.com/wp-content/uploads/wm-asset-library/gsap/shared/xxmzBrw.css">
<style>
body {
  background-color: var(--color-just-black);
  overscroll-behavior: none;
  margin: 0;
  padding: 0;
  overflow-x: hidden;
}

.header {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  padding-top: 2.5rem;
}

#smooth-content {
  overflow: visible;
  width: 100%;
  /* set a height because the contents are position: absolute, thus natively there's no height */
  height: 4000px;
  background-image: linear-gradient(
      rgba(255, 255, 255, 0.07) 2px,
      transparent 2px
    ),
    linear-gradient(90deg, rgba(255, 255, 255, 0.07) 2px, transparent 2px),
    linear-gradient(rgba(255, 255, 255, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.06) 1px, transparent 1px);
  background-size: 100px 100px, 100px 100px, 20px 20px, 20px 20px;
  background-position: -2px -2px, -2px -2px, -1px -1px, -1px -1px;
}

button {
  position: relative;
  margin-top: 1rem;
}

heading-l {
  margin-top: 2rem;
}

.box,
.shape {
  width: 100px;
  height: 100px;
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  z-index: 100;
  line-height: 100px;
  text-align: center;
  will-change: transform;
}
.box.active {
  outline: 2px var(--color-surface-white);
}

.box-a {
  top: 400px;
}

.box-b {
  top: 900px;
}

.shape {
  top: 1300px;
  will-change: transform;
}

.line {
  visibility: hidden;
  width: 2px;
  height: 4000px;
  position: absolute;
  left: 400px;
  top: 0px;
  background-color: #777;
}

footer {
  position: fixed;
  right: 0px;
  bottom: 0px;
  padding: 6px 10px 10px 12px;
  border-top-left-radius: 26px;
  z-index: 100;
  background-color: rgba(0, 0, 0, 0.5);
}

.end {
  position: absolute;
  /*   bottom: 0; */
  top: 2400px;
  transform: translateY(-100%);
  font-size: 30px;
  color: white;
}

</style></head><body>
<div id="smooth-wrapper">
  <div id="smooth-content">
    <header class="header">
      <h1 class="heading-l heading-scroll">ScrollSmoother</h1>
      <button class="button">Jump to shape</button>
    </header>
    <div class="box box-a gradient-pink" data-speed="clamp(0.5)">a</div>
    <div class="box box-b gradient-purple" data-speed="clamp(0.8)">b</div>
    <img class="shape" data-speed="1.5" src="https://assets.codepen.io/16327/2D-keyframe-2.png" alt="" />
    <div class="line"></div>
  </div>
</div>
<script src="https://asset.wemashup.com/wp-content/uploads/wm-asset-library/gsap/shared/gsap-3.15.0-gsap.min.js"></script>
<script src="https://asset.wemashup.com/wp-content/uploads/wm-asset-library/gsap/shared/gsap-3.15.0-ScrollSmoother.min.js"></script>
<script src="https://asset.wemashup.com/wp-content/uploads/wm-asset-library/gsap/shared/gsap-3.15.0-ScrollToPlugin.min.js"></script>
<script src="https://asset.wemashup.com/wp-content/uploads/wm-asset-library/gsap/shared/gsap-3.15.0-ScrollTrigger.min.js"></script>
<script>
gsap.registerPlugin(ScrollTrigger, ScrollSmoother);

// create the smooth scroller FIRST!
let smoother = ScrollSmoother.create({
  smooth: 2,
  effects: true
});

// pin shape when it reaches the center of the viewport, for 300px
ScrollTrigger.create({
  trigger: ".shape",
  pin: true,
  start: "center center",
  end: "+=300"
});

document.querySelector("button").addEventListener("click", (e) => {
  // scroll to the spot where the shape is in the center.
  // parameters: element, smooth, position
  smoother.scrollTo(".shape", true, "center center");

  // or you could animate the scrollTop:
  // gsap.to(smoother, {
  // 	scrollTop: smoother.offset(".shape", "center center"),
  // 	duration: 1
  // });
});

</script>
</body></html>

<div id="smooth-wrapper">
  <div id="smooth-content">
    <header class="header">
      <h1 class="heading-l heading-scroll">ScrollSmoother</h1>
      <button class="button">Jump to shape</button>
    </header>
    <div class="box box-a gradient-pink" data-speed="clamp(0.5)">a</div>
    <div class="box box-b gradient-purple" data-speed="clamp(0.8)">b</div>
    <img class="shape" data-speed="1.5" src="https://assets.codepen.io/16327/2D-keyframe-2.png" alt="" />
    <div class="line"></div>
  </div>
</div>

body {
  background-color: var(--color-just-black);
  overscroll-behavior: none;
  margin: 0;
  padding: 0;
  overflow-x: hidden;
}

.header {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  padding-top: 2.5rem;
}

#smooth-content {
  overflow: visible;
  width: 100%;
  /* set a height because the contents are position: absolute, thus natively there's no height */
  height: 4000px;
  background-image: linear-gradient(
      rgba(255, 255, 255, 0.07) 2px,
      transparent 2px
    ),
    linear-gradient(90deg, rgba(255, 255, 255, 0.07) 2px, transparent 2px),
    linear-gradient(rgba(255, 255, 255, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.06) 1px, transparent 1px);
  background-size: 100px 100px, 100px 100px, 20px 20px, 20px 20px;
  background-position: -2px -2px, -2px -2px, -1px -1px, -1px -1px;
}

button {
  position: relative;
  margin-top: 1rem;
}

heading-l {
  margin-top: 2rem;
}

.box,
.shape {
  width: 100px;
  height: 100px;
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  z-index: 100;
  line-height: 100px;
  text-align: center;
  will-change: transform;
}
.box.active {
  outline: 2px var(--color-surface-white);
}

.box-a {
  top: 400px;
}

.box-b {
  top: 900px;
}

.shape {
  top: 1300px;
  will-change: transform;
}

.line {
  visibility: hidden;
  width: 2px;
  height: 4000px;
  position: absolute;
  left: 400px;
  top: 0px;
  background-color: #777;
}

footer {
  position: fixed;
  right: 0px;
  bottom: 0px;
  padding: 6px 10px 10px 12px;
  border-top-left-radius: 26px;
  z-index: 100;
  background-color: rgba(0, 0, 0, 0.5);
}

.end {
  position: absolute;
  /*   bottom: 0; */
  top: 2400px;
  transform: translateY(-100%);
  font-size: 30px;
  color: white;
}

gsap.registerPlugin(ScrollTrigger, ScrollSmoother);

// create the smooth scroller FIRST!
let smoother = ScrollSmoother.create({
  smooth: 2,
  effects: true
});

// pin shape when it reaches the center of the viewport, for 300px
ScrollTrigger.create({
  trigger: ".shape",
  pin: true,
  start: "center center",
  end: "+=300"
});

document.querySelector("button").addEventListener("click", (e) => {
  // scroll to the spot where the shape is in the center.
  // parameters: element, smooth, position
  smoother.scrollTo(".shape", true, "center center");

  // or you could animate the scrollTop:
  // gsap.to(smoother, {
  // 	scrollTop: smoother.offset(".shape", "center center"),
  // 	duration: 1
  // });
});