open-design/skills/sprite-animation/example.html at main · looptech-ai/open-design · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8" />
  <meta name="viewport" content="width=device-width, initial-scale=1" />
  <title>Nintendo, 1889 — sprite animation</title>
  <link rel="preconnect" href="https://fonts.googleapis.com" />
  <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin />
  <link href="https://fonts.googleapis.com/css2?family=DM+Serif+Display:ital@0;1&family=IBM+Plex+Mono:wght@400;500&family=Noto+Serif+JP:wght@500;700&family=Press+Start+2P&display=swap" rel="stylesheet" />
  <style>
    :root {
      --paper: #f5efe2;
      --paper-2: #ede4d0;
      --ink: #181612;
      --accent: #d92b1c;
      --muted: #6f6a60;
      --serif: 'DM Serif Display', 'Iowan Old Style', Georgia, serif;
      --jp: 'Noto Serif JP', serif;
      --mono: 'IBM Plex Mono', ui-monospace, monospace;
      --pixel: 'Press Start 2P', monospace;
    }
    * { box-sizing: border-box; }
    html, body { margin: 0; }
    body {
      min-height: 100vh;
      background: #1a1816;
      color: var(--ink);
      font: 14px/1.5 -apple-system, system-ui, sans-serif;
      display: flex; align-items: center; justify-content: center;
      padding: 24px;
    }

    .stage {
      width: min(1280px, 100%);
      aspect-ratio: 16 / 9;
      position: relative;
      overflow: hidden;
      background: var(--paper);
      background-image:
        radial-gradient(rgba(120,90,40,0.06) 1px, transparent 1px),
        radial-gradient(rgba(120,90,40,0.04) 1px, transparent 1px);
      background-size: 4px 4px, 7px 7px;
      background-position: 0 0, 2px 3px;
      box-shadow: 0 30px 80px rgba(0,0,0,0.5), 0 0 0 1px rgba(0,0,0,0.05);
      border-radius: 4px;
    }
    .stage::before {
      content: ''; position: absolute; inset: 0;
      background: linear-gradient(180deg, rgba(0,0,0,0.04) 0%, transparent 8%, transparent 92%, rgba(0,0,0,0.05) 100%);
      pointer-events: none;
    }

    /* top bar */
    .topbar { position: absolute; top: 0; left: 0; right: 0; padding: 22px 32px; display: flex; justify-content: space-between; align-items: center; font: 11px/1 var(--mono); color: var(--muted); letter-spacing: 0.18em; text-transform: uppercase; }
    .topbar .slug { display: inline-flex; align-items: center; gap: 10px; }
    .topbar .slug .jp { font-family: var(--jp); font-weight: 700; color: var(--ink); letter-spacing: 0.05em; text-transform: none; font-size: 13px; }
    .topbar .slug .en { color: var(--muted); }
    .topbar .progress { display: inline-flex; align-items: center; gap: 12px; }
    .topbar .progress .dots { display: inline-flex; gap: 4px; }
    .topbar .progress .dots i { width: 6px; height: 6px; border-radius: 50%; background: var(--ink); display: inline-block; opacity: 0.18; }
    .topbar .progress .dots i.on { opacity: 1; }
    .topbar .rec { display: inline-flex; align-items: center; gap: 6px; padding: 4px 8px; border: 1px solid var(--ink); color: var(--ink); }
    .topbar .rec::before { content: ''; width: 7px; height: 7px; border-radius: 50%; background: var(--accent); animation: blink 1.2s steps(2) infinite; }
    @keyframes blink { 50% { opacity: 0.2; } }

    /* big year */
    .year { position: absolute; left: 6%; bottom: 14%; font: 700 200px/0.85 var(--serif); color: var(--ink); letter-spacing: -0.03em; }
    .year .num { display: inline-block; position: relative; }
    .year .num .glitch {
      position: absolute; left: 0; top: 0; color: var(--accent);
      clip-path: inset(0 0 70% 0);
      animation: glitch 4s steps(8) infinite;
      mix-blend-mode: multiply;
    }
    @keyframes glitch {
      0%, 88%, 100% { clip-path: inset(0 0 100% 0); transform: translate(0,0); opacity: 0; }
      89% { clip-path: inset(20% 0 60% 0); transform: translate(2px, -1px); opacity: 0.7; }
      91% { clip-path: inset(60% 0 20% 0); transform: translate(-2px, 1px); opacity: 0.7; }
      94% { clip-path: inset(40% 0 40% 0); transform: translate(1px, 0); opacity: 0.6; }
      97% { clip-path: inset(0 0 100% 0); transform: translate(0,0); opacity: 0; }
    }
    .year .jp-suffix { font-family: var(--jp); font-weight: 700; font-size: 0.6em; vertical-align: 0.16em; margin-left: 0.04em; }

    .year-label { position: absolute; left: 6%; bottom: calc(14% + 200px + 12px); font: 11px/1.2 var(--mono); letter-spacing: 0.22em; color: var(--muted); text-transform: uppercase; }
    .year-label::before { content: ''; display: inline-block; width: 24px; height: 1px; background: var(--ink); vertical-align: middle; margin-right: 10px; opacity: 0.5; }

    /* sprite card */
    .sprite-stack {
      position: absolute; right: 12%; top: 22%;
      display: flex; flex-direction: column; align-items: center; gap: 22px;
      animation: bob 2.4s ease-in-out infinite;
    }
    @keyframes bob {
      0%, 100% { transform: translateY(0); }
      50% { transform: translateY(-8px); }
    }
    .sprite-card {
      width: 168px; height: 252px;
      background: var(--paper-2);
      border: 4px solid var(--ink);
      border-radius: 10px;
      box-shadow: 8px 8px 0 var(--ink);
      position: relative;
      padding: 12px;
      display: flex; flex-direction: column; align-items: center;
      image-rendering: pixelated;
    }
    .sprite-card::before, .sprite-card::after {
      content: ''; position: absolute; left: 8px; right: 8px; height: 4px; background: var(--ink);
    }
    .sprite-card::before { top: 14px; }
    .sprite-card::after { bottom: 14px; }

    .sprite-card svg { display: block; image-rendering: pixelated; shape-rendering: crispEdges; margin-top: 18px; }

    .sprite-tag { font-family: var(--jp); font-weight: 700; font-size: 28px; color: var(--accent); margin-top: auto; line-height: 1; letter-spacing: 0.06em; }
    .sprite-tag small { display: block; font-family: var(--mono); font-weight: 500; font-size: 10px; color: var(--muted); letter-spacing: 0.18em; margin-top: 4px; text-transform: uppercase; }

    /* kinetic kana */
    .kana { position: absolute; right: 6%; top: 12%; font-family: var(--jp); font-weight: 700; font-size: 96px; color: var(--ink); line-height: 1; letter-spacing: 0; }
    .kana span { display: inline-block; opacity: 0; animation: kana-in 4s ease-in-out infinite; }
    .kana span:nth-child(1) { animation-delay: 0s; }
    .kana span:nth-child(2) { animation-delay: 0.4s; }
    @keyframes kana-in {
      0% { opacity: 0; transform: translateY(-12px); }
      18%, 78% { opacity: 1; transform: translateY(0); }
      100% { opacity: 0; transform: translateY(8px); }
    }

    /* caption block */
    .caption {
      position: absolute; left: 6%; right: 50%; bottom: 6%;
      font: 12px/1.5 var(--mono); color: var(--ink);
      letter-spacing: 0.04em;
      max-width: 32ch;
    }
    .caption strong { display: block; font-family: var(--serif); font-weight: 400; font-style: italic; font-size: 18px; letter-spacing: -0.005em; margin-bottom: 6px; color: var(--ink); }

    /* tick ribbon */
    .ribbon {
      position: absolute; left: 0; right: 0; bottom: 0;
      height: 36px;
      background: var(--ink);
      color: var(--paper);
      overflow: hidden;
      display: flex; align-items: center;
    }
    .ribbon-track {
      display: inline-flex; gap: 64px;
      padding: 0 32px;
      animation: scroll-left 22s linear infinite;
      white-space: nowrap;
      flex-shrink: 0;
    }
    .ribbon-track .tick { display: inline-flex; align-items: center; gap: 8px; font: 11px/1 var(--mono); letter-spacing: 0.22em; }
    .ribbon-track .tick .dot { width: 6px; height: 6px; background: var(--accent); border-radius: 50%; }
    .ribbon-track .tick .label { color: var(--paper); }
    .ribbon-track .tick .note { color: rgba(245,239,226,0.55); text-transform: uppercase; }
    @keyframes scroll-left {
      from { transform: translateX(0); }
      to { transform: translateX(-50%); }
    }

    /* corner registration marks */
    .reg { position: absolute; width: 14px; height: 14px; border: 1px solid var(--ink); opacity: 0.35; }
    .reg.tl { top: 14px; left: 14px; border-right: none; border-bottom: none; }
    .reg.tr { top: 14px; right: 14px; border-left: none; border-bottom: none; }
    .reg.bl { bottom: 50px; left: 14px; border-right: none; border-top: none; }
    .reg.br { bottom: 50px; right: 14px; border-left: none; border-top: none; }

    @media (max-width: 900px) {
      .year { font-size: 120px; bottom: 18%; }
      .year-label { bottom: calc(18% + 120px + 8px); }
      .kana { font-size: 64px; }
      .sprite-stack { right: 8%; top: 26%; }
      .sprite-card { width: 124px; height: 184px; }
    }
  </style>
</head>
<body>
  <div class="stage" data-od-id="stage">

    <span class="reg tl"></span>
    <span class="reg tr"></span>
    <span class="reg bl"></span>
    <span class="reg br"></span>

    <div class="topbar" data-od-id="topbar">
      <div class="slug">
        <span class="jp">名次の番組</span>
        <span class="en">EP. 01 · NINTENDO TRIVIA</span>
      </div>
      <div class="progress">
        <span class="dots"><i class="on"></i><i></i><i></i><i></i><i></i><i></i><i></i><i></i><i></i><i></i><i></i><i></i></span>
        <span>01 / 12</span>
        <span class="rec">REC</span>
      </div>
    </div>

    <div class="kana" data-od-id="kana"><span>花</span><span>札</span></div>

    <div class="year-label" data-od-id="year-label">CHAPTER 01 · KYOTO · A PLAYING-CARD COMPANY</div>
    <div class="year" data-od-id="year">
      <span class="num">
        1889
        <span class="glitch" aria-hidden="true">1889</span>
      </span><span class="jp-suffix">年</span>
    </div>

    <div class="sprite-stack" data-od-id="sprite">
      <div class="sprite-card">
        <!-- Hanafuda card sprite — pixel-art flower -->
        <svg width="120" height="160" viewBox="0 0 24 32" xmlns="http://www.w3.org/2000/svg" aria-label="Hanafuda card">
          <!-- background -->
          <rect x="0" y="0" width="24" height="32" fill="#f5efe2"/>
          <!-- moon glow -->
          <rect x="3" y="2" width="18" height="10" fill="#1a1614"/>
          <!-- moon -->
          <rect x="14" y="4" width="5" height="5" fill="#f7c95b"/>
          <rect x="13" y="5" width="1" height="3" fill="#f7c95b"/>
          <rect x="19" y="5" width="1" height="3" fill="#f7c95b"/>
          <!-- petals (red) -->
          <rect x="9" y="14" width="6" height="2" fill="#d92b1c"/>
          <rect x="7" y="16" width="10" height="2" fill="#d92b1c"/>
          <rect x="6" y="18" width="12" height="2" fill="#d92b1c"/>
          <rect x="7" y="20" width="10" height="2" fill="#d92b1c"/>
          <rect x="9" y="22" width="6" height="2" fill="#d92b1c"/>
          <!-- petal highlights -->
          <rect x="10" y="15" width="2" height="1" fill="#ff6b5e"/>
          <rect x="8" y="17" width="2" height="1" fill="#ff6b5e"/>
          <rect x="14" y="19" width="2" height="1" fill="#ff6b5e"/>
          <!-- center -->
          <rect x="11" y="18" width="2" height="2" fill="#f7c95b"/>
          <!-- stem / leaves -->
          <rect x="11" y="24" width="2" height="6" fill="#3b6b3b"/>
          <rect x="8" y="26" width="3" height="2" fill="#3b6b3b"/>
          <rect x="13" y="27" width="3" height="2" fill="#3b6b3b"/>
        </svg>
        <div class="sprite-tag">花<small>HANA · FLOWER</small></div>
      </div>
    </div>

    <div class="caption" data-od-id="caption">
      <strong>Nintendo started as a hanafuda maker.</strong>
      Founded in Kyoto by Fusajiro Yamauchi to print hand-painted playing
      cards. Mario wouldn&rsquo;t show up for another <em>ninety-six</em> years.
    </div>

    <div class="ribbon" data-od-id="ribbon">
      <div class="ribbon-track">
        <div class="tick"><span class="dot"></span><span class="label">1889</span><span class="note">HANAFUDA · KYOTO</span></div>
        <div class="tick"><span class="dot"></span><span class="label">1907</span><span class="note">WESTERN CARDS</span></div>
        <div class="tick"><span class="dot"></span><span class="label">1949</span><span class="note">YAMAUCHI III</span></div>
        <div class="tick"><span class="dot"></span><span class="label">1977</span><span class="note">COLOR TV-GAME</span></div>
        <div class="tick"><span class="dot"></span><span class="label">1985</span><span class="note">SUPER MARIO BROS.</span></div>
        <div class="tick"><span class="dot"></span><span class="label">2006</span><span class="note">WII</span></div>
        <div class="tick"><span class="dot"></span><span class="label">2017</span><span class="note">SWITCH</span></div>

        <div class="tick"><span class="dot"></span><span class="label">1889</span><span class="note">HANAFUDA · KYOTO</span></div>
        <div class="tick"><span class="dot"></span><span class="label">1907</span><span class="note">WESTERN CARDS</span></div>
        <div class="tick"><span class="dot"></span><span class="label">1949</span><span class="note">YAMAUCHI III</span></div>
        <div class="tick"><span class="dot"></span><span class="label">1977</span><span class="note">COLOR TV-GAME</span></div>
        <div class="tick"><span class="dot"></span><span class="label">1985</span><span class="note">SUPER MARIO BROS.</span></div>
        <div class="tick"><span class="dot"></span><span class="label">2006</span><span class="note">WII</span></div>
        <div class="tick"><span class="dot"></span><span class="label">2017</span><span class="note">SWITCH</span></div>
      </div>
    </div>

  </div>
</body>
</html>