02숫자 배지 클러스터 확산
뭉친 핀 자리에 숫자 배지가 떠 있다가 누르면 실제 핀들이 부채꼴로 흩어지며 이름표가 달리고, 다시 모으면 배지 하나로 합쳐집니다.
쓰임매장 목록이 한 동네에 몰려 핀이 겹쳐서 뭉개져 보일 때
scaletransform-originaria-expanded
<main class="stage">
<div class="cb is-demo">
<div class="cb__map">
<ul class="cb__group" id="cb-group" aria-hidden="true">
<li class="cb__pin" style="--kx:-.985;--ky:-.174;--d:0ms">
<svg viewBox="0 0 256 256" width="20" height="20"><g fill="currentColor"><path d="M128 24a80 80 0 0 0-80 80c0 72 80 128 80 128s80-56 80-128a80 80 0 0 0-80-80m0 112a32 32 0 1 1 32-32a32 32 0 0 1-32 32" opacity=".2"/><path d="M128 64a40 40 0 1 0 40 40a40 40 0 0 0-40-40m0 64a24 24 0 1 1 24-24a24 24 0 0 1-24 24m0-112a88.1 88.1 0 0 0-88 88c0 31.4 14.51 64.68 42 96.25a254.2 254.2 0 0 0 41.45 38.3a8 8 0 0 0 9.18 0a254.2 254.2 0 0 0 41.37-38.3c27.45-31.57 42-64.85 42-96.25a88.1 88.1 0 0 0-88-88m0 206c-16.53-13-72-60.75-72-118a72 72 0 0 1 144 0c0 57.23-55.47 105-72 118"/></g></svg>
<span class="cb__tag">한강점</span>
</li>
<li class="cb__pin cb--low" style="--kx:-.695;--ky:-.719;--d:30ms">
<svg viewBox="0 0 256 256" width="20" height="20"><g fill="currentColor"><path d="M128 24a80 80 0 0 0-80 80c0 72 80 128 80 128s80-56 80-128a80 80 0 0 0-80-80m0 112a32 32 0 1 1 32-32a32 32 0 0 1-32 32" opacity=".2"/><path d="M128 64a40 40 0 1 0 40 40a40 40 0 0 0-40-40m0 64a24 24 0 1 1 24-24a24 24 0 0 1-24 24m0-112a88.1 88.1 0 0 0-88 88c0 31.4 14.51 64.68 42 96.25a254.2 254.2 0 0 0 41.45 38.3a8 8 0 0 0 9.18 0a254.2 254.2 0 0 0 41.37-38.3c27.45-31.57 42-64.85 42-96.25a88.1 88.1 0 0 0-88-88m0 206c-16.53-13-72-60.75-72-118a72 72 0 0 1 144 0c0 57.23-55.47 105-72 118"/></g></svg>
<span class="cb__tag">서울숲점</span>
</li>
<li class="cb__pin" style="--kx:-.174;--ky:-.985;--d:60ms">
<svg viewBox="0 0 256 256" width="20" height="20"><g fill="currentColor"><path d="M128 24a80 80 0 0 0-80 80c0 72 80 128 80 128s80-56 80-128a80 80 0 0 0-80-80m0 112a32 32 0 1 1 32-32a32 32 0 0 1-32 32" opacity=".2"/><path d="M128 64a40 40 0 1 0 40 40a40 40 0 0 0-40-40m0 64a24 24 0 1 1 24-24a24 24 0 0 1-24 24m0-112a88.1 88.1 0 0 0-88 88c0 31.4 14.51 64.68 42 96.25a254.2 254.2 0 0 0 41.45 38.3a8 8 0 0 0 9.18 0a254.2 254.2 0 0 0 41.37-38.3c27.45-31.57 42-64.85 42-96.25a88.1 88.1 0 0 0-88-88m0 206c-16.53-13-72-60.75-72-118a72 72 0 0 1 144 0c0 57.23-55.47 105-72 118"/></g></svg>
<span class="cb__tag">성수점</span>
</li>
<li class="cb__pin cb--low" style="--kx:.174;--ky:-.985;--d:90ms">
<svg viewBox="0 0 256 256" width="20" height="20"><g fill="currentColor"><path d="M128 24a80 80 0 0 0-80 80c0 72 80 128 80 128s80-56 80-128a80 80 0 0 0-80-80m0 112a32 32 0 1 1 32-32a32 32 0 0 1-32 32" opacity=".2"/><path d="M128 64a40 40 0 1 0 40 40a40 40 0 0 0-40-40m0 64a24 24 0 1 1 24-24a24 24 0 0 1-24 24m0-112a88.1 88.1 0 0 0-88 88c0 31.4 14.51 64.68 42 96.25a254.2 254.2 0 0 0 41.45 38.3a8 8 0 0 0 9.18 0a254.2 254.2 0 0 0 41.37-38.3c27.45-31.57 42-64.85 42-96.25a88.1 88.1 0 0 0-88-88m0 206c-16.53-13-72-60.75-72-118a72 72 0 0 1 144 0c0 57.23-55.47 105-72 118"/></g></svg>
<span class="cb__tag">연무장점</span>
</li>
<li class="cb__pin" style="--kx:.695;--ky:-.719;--d:120ms">
<svg viewBox="0 0 256 256" width="20" height="20"><g fill="currentColor"><path d="M128 24a80 80 0 0 0-80 80c0 72 80 128 80 128s80-56 80-128a80 80 0 0 0-80-80m0 112a32 32 0 1 1 32-32a32 32 0 0 1-32 32" opacity=".2"/><path d="M128 64a40 40 0 1 0 40 40a40 40 0 0 0-40-40m0 64a24 24 0 1 1 24-24a24 24 0 0 1-24 24m0-112a88.1 88.1 0 0 0-88 88c0 31.4 14.51 64.68 42 96.25a254.2 254.2 0 0 0 41.45 38.3a8 8 0 0 0 9.18 0a254.2 254.2 0 0 0 41.37-38.3c27.45-31.57 42-64.85 42-96.25a88.1 88.1 0 0 0-88-88m0 206c-16.53-13-72-60.75-72-118a72 72 0 0 1 144 0c0 57.23-55.47 105-72 118"/></g></svg>
<span class="cb__tag">뚝섬점</span>
</li>
<li class="cb__pin cb--low" style="--kx:.985;--ky:-.174;--d:150ms">
<svg viewBox="0 0 256 256" width="20" height="20"><g fill="currentColor"><path d="M128 24a80 80 0 0 0-80 80c0 72 80 128 80 128s80-56 80-128a80 80 0 0 0-80-80m0 112a32 32 0 1 1 32-32a32 32 0 0 1-32 32" opacity=".2"/><path d="M128 64a40 40 0 1 0 40 40a40 40 0 0 0-40-40m0 64a24 24 0 1 1 24-24a24 24 0 0 1-24 24m0-112a88.1 88.1 0 0 0-88 88c0 31.4 14.51 64.68 42 96.25a254.2 254.2 0 0 0 41.45 38.3a8 8 0 0 0 9.18 0a254.2 254.2 0 0 0 41.37-38.3c27.45-31.57 42-64.85 42-96.25a88.1 88.1 0 0 0-88-88m0 206c-16.53-13-72-60.75-72-118a72 72 0 0 1 144 0c0 57.23-55.47 105-72 118"/></g></svg>
<span class="cb__tag">왕십리점</span>
</li>
</ul>
<button class="cb__badge" type="button" id="cb-badge" aria-expanded="false" aria-controls="cb-group" aria-label="매장 6곳 펼치기">6</button>
</div>
<div class="cb__bar">
<span class="cb__icon" aria-hidden="true"><svg viewBox="0 0 256 256" width="16" height="16"><g fill="currentColor"><path d="M224 96v16a32 32 0 0 1-64 0V96H96v16a32 32 0 0 1-64 0V96l14.34-50.2A8 8 0 0 1 54 40h148a8 8 0 0 1 7.69 5.8Z" opacity=".2"/><path d="M231.69 93.81L217.35 43.6A16.07 16.07 0 0 0 202 32H54a16.07 16.07 0 0 0-15.35 11.6L24.31 93.81A8 8 0 0 0 24 96v16a40 40 0 0 0 16 32v72a8 8 0 0 0 8 8h160a8 8 0 0 0 8-8v-72a40 40 0 0 0 16-32V96a8 8 0 0 0-.31-2.19M54 48h148l11.42 40H42.61Zm98 56v8a24 24 0 0 1-48 0v-8ZM51.06 132.2A24 24 0 0 1 40 112v-8h48v8a24 24 0 0 1-35.12 21.26a8 8 0 0 0-1.82-1.06M200 208H56v-56.8a40.6 40.6 0 0 0 8 .8a40 40 0 0 0 32-16a40 40 0 0 0 64 0a40 40 0 0 0 32 16a40.6 40.6 0 0 0 8-.8Zm16-96a24 24 0 0 1-11.07 20.2a8 8 0 0 0-1.8 1.05A24 24 0 0 1 168 112v-8h48Z"/></g></svg></span>
<span class="cb__out" id="cb-out" role="status" aria-live="polite">매장 6곳이 한 자리에 모여 있습니다</span>
<button class="cb__toggle" type="button" id="cb-toggle" aria-expanded="false" aria-controls="cb-group">펼치기</button>
</div>
</div>
</main>@use "../../../../site/static/demo-tokens" as *;
$duration: $dur-base;
$easing: $ease-pop;
$color: $subject-blue;
@include stage($stage-yellow);
// 가짜 지도 — 외부 타일·이미지·폰트 0. 그라디언트만 겹친다. 이 색들은 토큰에 없는 지도 전용색이다
$map-land: #efe9dc;
$map-road: #fffdf7;
$map-block: #e2dac9;
$map-park: #c9e0bd;
$map-water: #bcd9ea;
.cb {
box-sizing: border-box;
width: min(408px, 88vw);
display: flex; flex-direction: column; gap: $sp-2;
font-family: -apple-system, "Segoe UI", "Noto Sans KR", sans-serif;
color: $subject-ink;
// 부채꼴 반지름 — 좁은 화면에서 줄여야 핀이 지도 밖으로 안 나간다
--rx: 92px;
--ry: 40px;
}
// ── 지도판: 공원 원 → 강 띠 → 세로 도로 → 가로 도로 → 땅. 배경은 고정, 움직이는 건 핀뿐 ──
.cb__map {
position: relative;
overflow: hidden;
box-sizing: border-box;
width: 100%;
height: clamp(104px, 34vw, 160px);
border-radius: $r-card;
box-shadow: $shadow-press;
background:
radial-gradient(circle at 16% 78%, $map-park 0 34px, transparent 34px),
linear-gradient(100deg, transparent 0 74%, $map-water 74% 82%, transparent 82%),
repeating-linear-gradient(90deg, $map-road 0 7px, transparent 7px 31px),
repeating-linear-gradient(0deg, $map-road 0 7px, transparent 7px 25px),
$map-land;
}
.cb__map::before, .cb__map::after {
content: "";
position: absolute;
border-radius: $r-xs;
background: $map-block;
pointer-events: none;
}
.cb__map::before { left: 8%; top: 12%; width: 70px; height: 24px; }
.cb__map::after { right: 9%; bottom: 10%; width: 58px; height: 30px; }
.cb__group { position: absolute; inset: 0; margin: 0; padding: 0; list-style: none; }
.cb__pin {
position: absolute;
left: 50%; top: 50%;
width: 20px; height: 20px;
color: $color;
transform-origin: 50% 100%; // 규칙8: 핀 꼭짓점 고정 버스트
// 합쳐진 상태 — 배지 뒤에 접혀 있다
transform: translate(-50%, -100%) translate(0, 0) scale(.3);
opacity: 0;
transition: transform $duration $easing, opacity $duration $easing;
transition-delay: var(--d);
}
.cb__pin svg { display: block; }
.cb.is-open .cb__pin {
transform: translate(-50%, -100%) translate(calc(var(--kx) * var(--rx)), calc(var(--ky) * var(--ry))) scale(1);
opacity: 1;
}
.cb__tag {
position: absolute;
left: 50%; top: 100%;
transform: translateX(-50%);
padding: 0 $sp-1;
border-radius: $r-pill;
background: rgba(255, 255, 255, .94);
color: $subject-ink;
font-size: 8px; line-height: 13px; font-weight: 700;
white-space: nowrap;
}
// 이름표를 두 줄로 엇갈리게 — 한 줄에 여섯 개를 늘어놓으면 서로 겹쳐 못 읽는다
.cb__pin.cb--low .cb__tag { top: calc(100% + 13px); }
.cb__badge {
position: absolute;
left: 50%; top: 50%;
box-sizing: border-box;
width: 38px; height: 38px;
margin: 0; padding: 0;
border: 2px solid rgba(255, 255, 255, .9);
border-radius: 50%;
background: $subject-blue-deep;
color: $subject-cream;
font-family: inherit;
font-size: 15px; line-height: 34px; font-weight: 800;
cursor: pointer;
transform: translate(-50%, -50%) scale(1);
opacity: 1;
box-shadow: $shadow-press;
transition: transform $duration $easing, opacity $duration $easing;
}
.cb__badge:focus-visible { outline: 2px solid $subject-ink; outline-offset: 2px; }
.cb.is-open .cb__badge { transform: translate(-50%, -50%) scale(.42); opacity: 0; }
.cb__bar {
box-sizing: border-box;
display: flex; align-items: center; gap: $sp-2;
padding: $sp-1 $sp-1 $sp-1 $sp-3;
border: 1px solid rgba($subject-ink, .14);
border-radius: $r-control;
background: rgba(255, 255, 255, .55);
}
.cb__icon { display: inline-flex; color: $color; }
.cb__out {
flex: 1 1 auto; min-width: 0;
font-size: 11px; line-height: 15px; font-weight: 700;
white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.cb__toggle {
box-sizing: border-box;
height: 24px;
margin: 0; padding: 0 $sp-3;
border: 0;
border-radius: $r-pill;
background: $subject-ink;
color: $subject-cream;
font-family: inherit;
font-size: 11px; font-weight: 700;
cursor: pointer;
white-space: nowrap;
}
.cb__toggle:focus-visible { outline: 2px solid $subject-ink; outline-offset: 2px; }
// ── 자동 루프: 확산 → 유지 → 수축. 0% 와 100% 가 같은 합쳐진 상태다 (복귀는 86% 에 끝난다) ──
.cb.is-demo .cb__pin {
animation-name: cb-burst;
animation-duration: $dur-loop;
animation-timing-function: $easing;
animation-iteration-count: infinite;
animation-delay: var(--d);
}
.cb.is-demo .cb__badge {
animation-name: cb-merge;
animation-duration: $dur-loop;
animation-timing-function: $easing;
animation-iteration-count: infinite;
}
@keyframes cb-burst {
0% { opacity: 0; transform: translate(-50%, -100%) translate(0, 0) scale(.3); }
10% { opacity: 0; transform: translate(-50%, -100%) translate(0, 0) scale(.3); }
32% { opacity: 1; transform: translate(-50%, -100%) translate(calc(var(--kx) * var(--rx)), calc(var(--ky) * var(--ry))) scale(1); }
68% { opacity: 1; transform: translate(-50%, -100%) translate(calc(var(--kx) * var(--rx)), calc(var(--ky) * var(--ry))) scale(1); }
86%, 100% { opacity: 0; transform: translate(-50%, -100%) translate(0, 0) scale(.3); }
}
@keyframes cb-merge {
0% { opacity: 1; transform: translate(-50%, -50%) scale(1); }
10% { opacity: 1; transform: translate(-50%, -50%) scale(1); }
32% { opacity: 0; transform: translate(-50%, -50%) scale(.42); }
68% { opacity: 0; transform: translate(-50%, -50%) scale(.42); }
86%, 100% { opacity: 1; transform: translate(-50%, -50%) scale(1); }
}
// 좁은 화면 — 지도가 낮아진 만큼 부채꼴을 좁힌다. 간격은 올리지 않는다 (BD9)
@media (max-width: 400px) {
.cb { --rx: 64px; --ry: 24px; }
.cb__tag { font-size: 7px; line-height: 12px; }
}
@media (prefers-reduced-motion: reduce) {
.cb.is-demo .cb__pin, .cb.is-demo .cb__badge { animation: none !important; }
.cb__pin, .cb__badge { transition: none; }
}html, body {
margin: 0;
overflow: hidden;
}
.stage {
box-sizing: border-box;
min-height: 100vh;
display: grid;
place-items: center;
margin: 0;
background: #ffd23f;
font-family: -apple-system, "Segoe UI", "Noto Sans KR", sans-serif;
padding: clamp(8px, 4vw, 24px);
}
.cb {
box-sizing: border-box;
width: min(408px, 88vw);
display: flex;
flex-direction: column;
gap: 8px;
font-family: -apple-system, "Segoe UI", "Noto Sans KR", sans-serif;
color: #17141a;
--rx: 92px;
--ry: 40px;
}
.cb__map {
position: relative;
overflow: hidden;
box-sizing: border-box;
width: 100%;
height: clamp(104px, 34vw, 160px);
border-radius: 16px;
box-shadow: 0 6px 12px rgba(23, 20, 26, 0.32);
background: radial-gradient(circle at 16% 78%, #c9e0bd 0 34px, transparent 34px), linear-gradient(100deg, transparent 0 74%, #bcd9ea 74% 82%, transparent 82%), repeating-linear-gradient(90deg, #fffdf7 0 7px, transparent 7px 31px), repeating-linear-gradient(0deg, #fffdf7 0 7px, transparent 7px 25px), #efe9dc;
}
.cb__map::before, .cb__map::after {
content: "";
position: absolute;
border-radius: 4px;
background: #e2dac9;
pointer-events: none;
}
.cb__map::before {
left: 8%;
top: 12%;
width: 70px;
height: 24px;
}
.cb__map::after {
right: 9%;
bottom: 10%;
width: 58px;
height: 30px;
}
.cb__group {
position: absolute;
inset: 0;
margin: 0;
padding: 0;
list-style: none;
}
.cb__pin {
position: absolute;
left: 50%;
top: 50%;
width: 20px;
height: 20px;
color: #2f6df6;
transform-origin: 50% 100%;
transform: translate(-50%, -100%) translate(0, 0) scale(0.3);
opacity: 0;
transition: transform 300ms cubic-bezier(0.2, 1.4, 0.4, 1), opacity 300ms cubic-bezier(0.2, 1.4, 0.4, 1);
transition-delay: var(--d);
}
.cb__pin svg {
display: block;
}
.cb.is-open .cb__pin {
transform: translate(-50%, -100%) translate(calc(var(--kx) * var(--rx)), calc(var(--ky) * var(--ry))) scale(1);
opacity: 1;
}
.cb__tag {
position: absolute;
left: 50%;
top: 100%;
transform: translateX(-50%);
padding: 0 4px;
border-radius: 999px;
background: rgba(255, 255, 255, 0.94);
color: #17141a;
font-size: 8px;
line-height: 13px;
font-weight: 700;
white-space: nowrap;
}
.cb__pin.cb--low .cb__tag {
top: calc(100% + 13px);
}
.cb__badge {
position: absolute;
left: 50%;
top: 50%;
box-sizing: border-box;
width: 38px;
height: 38px;
margin: 0;
padding: 0;
border: 2px solid rgba(255, 255, 255, 0.9);
border-radius: 50%;
background: #0a4fe8;
color: #fff7e6;
font-family: inherit;
font-size: 15px;
line-height: 34px;
font-weight: 800;
cursor: pointer;
transform: translate(-50%, -50%) scale(1);
opacity: 1;
box-shadow: 0 6px 12px rgba(23, 20, 26, 0.32);
transition: transform 300ms cubic-bezier(0.2, 1.4, 0.4, 1), opacity 300ms cubic-bezier(0.2, 1.4, 0.4, 1);
}
.cb__badge:focus-visible {
outline: 2px solid #17141a;
outline-offset: 2px;
}
.cb.is-open .cb__badge {
transform: translate(-50%, -50%) scale(0.42);
opacity: 0;
}
.cb__bar {
box-sizing: border-box;
display: flex;
align-items: center;
gap: 8px;
padding: 4px 4px 4px 12px;
border: 1px solid rgba(23, 20, 26, 0.14);
border-radius: 12px;
background: rgba(255, 255, 255, 0.55);
}
.cb__icon {
display: inline-flex;
color: #2f6df6;
}
.cb__out {
flex: 1 1 auto;
min-width: 0;
font-size: 11px;
line-height: 15px;
font-weight: 700;
white-space: nowrap;
overflow: hidden;
text-overflow: ellipsis;
}
.cb__toggle {
box-sizing: border-box;
height: 24px;
margin: 0;
padding: 0 12px;
border: 0;
border-radius: 999px;
background: #17141a;
color: #fff7e6;
font-family: inherit;
font-size: 11px;
font-weight: 700;
cursor: pointer;
white-space: nowrap;
}
.cb__toggle:focus-visible {
outline: 2px solid #17141a;
outline-offset: 2px;
}
.cb.is-demo .cb__pin {
animation-name: cb-burst;
animation-duration: 2s;
animation-timing-function: cubic-bezier(0.2, 1.4, 0.4, 1);
animation-iteration-count: infinite;
animation-delay: var(--d);
}
.cb.is-demo .cb__badge {
animation-name: cb-merge;
animation-duration: 2s;
animation-timing-function: cubic-bezier(0.2, 1.4, 0.4, 1);
animation-iteration-count: infinite;
}
@keyframes cb-burst {
0% {
opacity: 0;
transform: translate(-50%, -100%) translate(0, 0) scale(0.3);
}
10% {
opacity: 0;
transform: translate(-50%, -100%) translate(0, 0) scale(0.3);
}
32% {
opacity: 1;
transform: translate(-50%, -100%) translate(calc(var(--kx) * var(--rx)), calc(var(--ky) * var(--ry))) scale(1);
}
68% {
opacity: 1;
transform: translate(-50%, -100%) translate(calc(var(--kx) * var(--rx)), calc(var(--ky) * var(--ry))) scale(1);
}
86%, 100% {
opacity: 0;
transform: translate(-50%, -100%) translate(0, 0) scale(0.3);
}
}
@keyframes cb-merge {
0% {
opacity: 1;
transform: translate(-50%, -50%) scale(1);
}
10% {
opacity: 1;
transform: translate(-50%, -50%) scale(1);
}
32% {
opacity: 0;
transform: translate(-50%, -50%) scale(0.42);
}
68% {
opacity: 0;
transform: translate(-50%, -50%) scale(0.42);
}
86%, 100% {
opacity: 1;
transform: translate(-50%, -50%) scale(1);
}
}
@media (max-width: 400px) {
.cb {
--rx: 64px;
--ry: 24px;
}
.cb__tag {
font-size: 7px;
line-height: 12px;
}
}
@media (prefers-reduced-motion: reduce) {
.cb.is-demo .cb__pin, .cb.is-demo .cb__badge {
animation: none !important;
}
.cb__pin, .cb__badge {
transition: none;
}
}// 실제 동작: 배지나 버튼을 누르면 핀이 부채꼴로 흩어지고 다시 누르면 배지 하나로 합쳐진다. Escape 로 접는다.
var root = document.querySelector('.cb');
var badge = document.getElementById('cb-badge');
var toggle = document.getElementById('cb-toggle');
var group = document.getElementById('cb-group');
var out = document.getElementById('cb-out');
var ON = '접기', OFF = '펼치기';
var ONMSG = '매장 6곳이 펼쳐졌습니다', OFFMSG = '매장 6곳이 한 자리에 모여 있습니다';
function set(on) {
root.classList.remove('is-demo'); // 사람이 만졌으니 자동 루프를 멈춘다
root.classList.toggle('is-open', on);
badge.setAttribute('aria-expanded', String(on));
toggle.setAttribute('aria-expanded', String(on));
group.setAttribute('aria-hidden', String(!on));
toggle.textContent = on ? ON : OFF;
out.textContent = on ? ONMSG : OFFMSG;
}
function flip() { set(!root.classList.contains('is-open')); }
badge.addEventListener('click', flip);
toggle.addEventListener('click', flip);
root.addEventListener('keydown', function (e) {
if (e.key === 'Escape') { set(false); badge.focus({ preventScroll: true }); }
});import { useState } from "react";
import type { CSSProperties } from "react";
import styles from "./ClusterBurst.module.scss";
export type ClusterBurstProps = {
stores?: string[];
labels?: { expand: string; collapse: string; merged: string; spread: string };
duration?: number;
easing?: string;
color?: string;
};
type Vars = CSSProperties & { "--duration"?: string; "--easing"?: string; "--color"?: string };
type PinVars = CSSProperties & { "--kx"?: string; "--ky"?: string; "--d"?: string };
// React 이벤트 타입은 'react' 에서 import 하지 않는다 — 포트 안에서 필요한 모양만 선언한다
type KeyEvt = { key: string };
export default function ClusterBurst({
stores = ["Hangang", "Seoul Forest", "Seongsu", "Yeonmujang", "Ttukseom", "Wangsimni"],
labels = { expand: "Expand", collapse: "Collapse", merged: "stores are merged into one spot", spread: "stores are fanned out" },
duration = 300,
easing = "cubic-bezier(.2,1.4,.4,1)",
color = "#2f6df6",
}: ClusterBurstProps) {
const [open, setOpen] = useState(false);
const [demo, setDemo] = useState(true);
const vars: Vars = { "--duration": `${duration}ms`, "--easing": easing, "--color": color };
function set(on: boolean) {
setDemo(false); // 사람이 만졌으니 자동 루프를 멈춘다
setOpen(on);
}
// 부채꼴: 170° 에서 10° 까지 고르게. 이름표는 두 줄로 엇갈려야 겹치지 않는다
const fan = stores.map((name, i) => {
const a = ((170 - (i * 160) / Math.max(stores.length - 1, 1)) * Math.PI) / 180;
return { name, kx: Math.cos(a), ky: -Math.sin(a), low: i % 2 === 1 };
});
return (
<div className={`${styles.cb} ${open ? styles.isOpen : ""} ${demo ? styles.isDemo : ""}`} style={vars}>
<div className={styles.map}>
<ul className={styles.group} id="cb-group" aria-hidden={!open}>
{fan.map((p, i) => {
const pv: PinVars = { "--kx": p.kx.toFixed(3), "--ky": p.ky.toFixed(3), "--d": `${i * 30}ms` };
return (
<li key={p.name} className={`${styles.pin} ${p.low ? styles.low : ""}`} style={pv}>
<svg viewBox="0 0 256 256" width="20" height="20"><g fill="currentColor"><path d="M128 24a80 80 0 0 0-80 80c0 72 80 128 80 128s80-56 80-128a80 80 0 0 0-80-80m0 112a32 32 0 1 1 32-32a32 32 0 0 1-32 32" opacity=".2" /><path d="M128 64a40 40 0 1 0 40 40a40 40 0 0 0-40-40m0 64a24 24 0 1 1 24-24a24 24 0 0 1-24 24m0-112a88.1 88.1 0 0 0-88 88c0 31.4 14.51 64.68 42 96.25a254.2 254.2 0 0 0 41.45 38.3a8 8 0 0 0 9.18 0a254.2 254.2 0 0 0 41.37-38.3c27.45-31.57 42-64.85 42-96.25a88.1 88.1 0 0 0-88-88m0 206c-16.53-13-72-60.75-72-118a72 72 0 0 1 144 0c0 57.23-55.47 105-72 118" /></g></svg>
<span className={styles.tag}>{p.name}</span>
</li>
);
})}
</ul>
<button
type="button"
className={styles.badge}
aria-expanded={open}
aria-controls="cb-group"
aria-label={`${labels.expand} ${stores.length}`}
onClick={() => set(!open)}
>
{stores.length}
</button>
</div>
<div className={styles.bar}>
<span className={styles.icon} aria-hidden="true">
<svg viewBox="0 0 256 256" width="16" height="16"><g fill="currentColor"><path d="M224 96v16a32 32 0 0 1-64 0V96H96v16a32 32 0 0 1-64 0V96l14.34-50.2A8 8 0 0 1 54 40h148a8 8 0 0 1 7.69 5.8Z" opacity=".2" /><path d="M231.69 93.81L217.35 43.6A16.07 16.07 0 0 0 202 32H54a16.07 16.07 0 0 0-15.35 11.6L24.31 93.81A8 8 0 0 0 24 96v16a40 40 0 0 0 16 32v72a8 8 0 0 0 8 8h160a8 8 0 0 0 8-8v-72a40 40 0 0 0 16-32V96a8 8 0 0 0-.31-2.19M54 48h148l11.42 40H42.61Zm98 56v8a24 24 0 0 1-48 0v-8ZM51.06 132.2A24 24 0 0 1 40 112v-8h48v8a24 24 0 0 1-35.12 21.26a8 8 0 0 0-1.82-1.06M200 208H56v-56.8a40.6 40.6 0 0 0 8 .8a40 40 0 0 0 32-16a40 40 0 0 0 64 0a40 40 0 0 0 32 16a40.6 40.6 0 0 0 8-.8Zm16-96a24 24 0 0 1-11.07 20.2a8 8 0 0 0-1.8 1.05A24 24 0 0 1 168 112v-8h48Z" /></g></svg>
</span>
<span className={styles.out} role="status" aria-live="polite">
{stores.length} {open ? labels.spread : labels.merged}
</span>
<button
type="button"
className={styles.toggle}
aria-expanded={open}
aria-controls="cb-group"
onClick={() => set(!open)}
onKeyDown={(e: KeyEvt) => { if (e.key === "Escape") set(false); }}
>
{open ? labels.collapse : labels.expand}
</button>
</div>
</div>
);
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