First Step

Click And Draw

마우스를 클릭해 물체를 움직이는 예제입니다.

html: index.html

<!DOCTYPE html>
<html>
  <head>
    <meta charset="utf-8">
    <title>Click and Drag</title>
    <link rel="stylesheet" href="style.css">
  </head>
  <body>
    <div class="items">
      <div class="item item1">01</div>
      <div class="item item2">02</div>
      <div class="item item3">03</div>
      <div class="item item4">04</div>
      <div class="item item5">05</div>
      <div class="item item6">06</div>
      <div class="item item7">07</div>
      <div class="item item8">08</div>
      <div class="item item9">09</div>
      <div class="item item10">10</div>
      <div class="item item11">11</div>
      <div class="item item12">12</div>
      <div class="item item13">13</div>
      <div class="item item14">14</div>
      <div class="item item15">15</div>
      <div class="item item16">16</div>
      <div class="item item17">17</div>
      <div class="item item18">18</div>
      <div class="item item19">19</div>
      <div class="item item20">20</div>
      <div class="item item21">21</div>
      <div class="item item22">22</div>
      <div class="item item23">23</div>
      <div class="item item24">24</div>
      <div class="item item25">25</div>
    </div>
    <script type="text/javascript" src="javascript.js"></script>
  </body>
</html>

css: style.css

html {
  box-sizing: border-box;
  background: url('https://source.unsplash.com/NFs6dRTBgaM/2000x2000') fixed;
  background-size: cover;
}

*, *:before, *:after {
  box-sizing: inherit;
}

body {
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  font-family: sans-serif;
  font-size: 20px;
  margin: 0;
}

.items {
  height: 800px;
  padding: 100px;
  width: 100%;
  border: 1px solid white;
  overflow-x: scroll;
  overflow-y: hidden;
  white-space: nowrap;
  user-select: none;
  cursor: pointer;
  transition: all 0.2s;
  transform: scale(0.98);
  will-change: transform;
  position: relative;
  background: rgba(255, 255, 255, 0.1);
  font-size: 0;
  perspective: 500px;
}

.items.active {
  background: rgba(255, 255, 255 ,0.3);
  cursor: pointer;
  cursor: -webkit-grabbing;
  transform: scale(1);
}

.item {
  width: 200px;
  height: calc(100% - 40px);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 80px;
  font-weight: 100;
  color: rgba(0,0,0,0.15);
  box-shadow: inset 0 0 0 10px rgba(0,0,0,0.15);
}

.item:nth-child(9n+1) { background: dodgerblue;}
.item:nth-child(9n+2) { background: goldenrod;}
.item:nth-child(9n+3) { background: paleturquoise;}
.item:nth-child(9n+4) { background: gold;}
.item:nth-child(9n+5) { background: cadetblue;}
.item:nth-child(9n+6) { background: tomato;}
.item:nth-child(9n+7) { background: lightcoral;}
.item:nth-child(9n+8) { background: darkslateblue;}
.item:nth-child(9n+9) { background: rebeccapurple;}

.item:nth-child(even) { transform: scaleX(1.31) rotateY(40deg); }
.item:nth-child(odd) { transform: scaleX(1.31) rotateY(-40deg); }

javascript: javascript.js

var slider = document.querySelector('.items');
var isDown = false;
var startX;
var scrollLeft;

slider.addEventListener('mousedown', function(event) {
  isDown = true;
  slider.classList.add('acitve');
  startX = event.pageX - slider.offsetLeft;
  scrollLeft = slider.scrollLeft;
});

slider.addEventListener('mouseleave', function() {
  isDown = false;
  slider.classList.remove('active');
});

slider.addEventListener('mouseup', function() {
  isDown = false;
  slider.classList.remove('active');
});

slider.addEventListener('mousemove', function(event) {
  if (!isDown) {
    return;
  }
  event.preventDefault();
  var x = event.pageX - slider.offsetLeft;
  var walk = (x - startX) * 3;
  slider.scrollLeft = scrollLeft - walk;
});