Tom Huang
6f6bf31dd2
* Refactor project name from "Open Claude Design" to "Open Design" - Updated project name in package.json, package-lock.json, and README files. - Changed CLI commands and references from "ocd" to "od". - Adjusted file structure references in documentation and code to reflect new naming conventions. - Enhanced .gitignore to include new runtime data files. - Updated metadata in LICENSE file to match new project name. * Add contributing guidelines in English and Chinese - Introduced CONTRIBUTING.md and CONTRIBUTING.zh-CN.md to provide clear instructions for contributors. - Outlined contribution types, local setup instructions, and merging criteria for skills and design systems. - Enhanced README files to reference the new contributing guidelines.
96 lines
4.2 KiB
Markdown
96 lines
4.2 KiB
Markdown
---
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name: sprite-animation
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description: |
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A pixel / sprite-style animated explainer slide — full-bleed cream stage,
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bold display year, animated pixel-art mascot (e.g. Hanafuda card, mushroom,
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or 8-bit console), kinetic Japanese display type, ticking timeline ribbon.
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Reads like a single frame of an educational motion video — looping CSS
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keyframes, no JS, ready to be screen-recorded into a vertical video.
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Use when the brief asks for a "sprite animation", "pixel-art video",
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"8-bit explainer", "history of X explainer", "kinetic typography history",
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"Nintendo-style", "精灵图动画", "像素动画", or "复古动画".
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triggers:
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- "sprite animation"
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- "pixel art animation"
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- "8-bit explainer"
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- "retro animation"
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- "kinetic typography"
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- "history explainer"
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- "nintendo style"
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- "精灵图"
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- "像素动画"
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- "复古动画"
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od:
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mode: prototype
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platform: desktop
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scenario: marketing
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featured: 8
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preview:
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type: html
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entry: index.html
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design_system:
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requires: true
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sections: [color, typography, layout, components]
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example_prompt: "Create a sprite-based animation introducing trivia about Nintendo's history. Combine pixel mascots, animated text, and a Hanafuda accent. Use color and type that feel like the Nintendo brand."
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---
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# Sprite Animation Skill
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Produce a single animated frame of an educational explainer — the kind you
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might screen-record into a vertical video. Pixel-art mascots, big year
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display, looping CSS animations, kinetic Japanese / English display type.
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## Workflow
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1. **Read the active DESIGN.md** (injected above). Pick the loudest serif
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token for the year, a sturdy sans for headlines, and a mono token for
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timeline / index labels.
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2. **Pick the topic** from the brief (e.g. "Nintendo · 1889 — Hanafuda").
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You always need: a year, a one-line headline, an animated subject (a
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pixel sprite — character, object, or icon), and a short caption.
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3. **Stage** — full-bleed cream / off-white background (`#f5efe2`) with a
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subtle paper grain. Keep margins generous; this is one beat of a video.
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4. **Top bar** — small mono row:
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- Left: title slug ("名次の/番組" or "EP. 01 / NINTENDO")
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- Right: progress dots ("01 / 12") and a "REC" stamp
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5. **Subject animations** — at least three independent looping animations
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on the page:
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- **Big year**: the headline year (e.g. "1889年") fills the lower-left,
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in a serif display weight. It has a subtle vertical glitch / scanline
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animation (clip-path keyframes), and a 1-frame "pop" every loop.
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- **Pixel sprite card**: a 96×128 pixel-art card or character (use an
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inline SVG with crisp `shape-rendering: crispEdges` rectangles, or a
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`box-shadow` pixel grid). Subtle bobbing animation (±4px, 1.6s).
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- **Kinetic kana**: 1–2 Japanese / kanji characters that fade-and-slide
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in sync with the bob (e.g. "花" — *hana* — flower).
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- **Tick ribbon**: bottom of the stage, a tape/ribbon with year ticks
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(1889 · 1907 · 1949 · 1977 · 1985 · 2006 · 2017) sliding left at a
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slow constant speed.
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6. **Caption block** — small mono caption explaining the trivia:
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"Nintendo started as a Hanafuda playing-card maker in Kyoto, 1889.
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Mario didn't show up for another ninety-six years."
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7. **Write** a single HTML document:
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- `<!doctype html>` through `</html>`, CSS inline, no external JS.
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- All animations use `@keyframes` + `animation: ... infinite`.
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- Stage uses a fixed canvas ratio (e.g. 16:9 letterboxed) so the loop
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reads as a single frame from a video.
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- `data-od-id` on stage, year, sprite, caption, and tick ribbon.
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8. **Self-check**:
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- The page is one cohesive scene, not a collage. The eye lands on the
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year first, then the sprite, then the caption.
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- At least 3 independent looping animations are visible.
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- The color palette is restrained (cream + a single accent red + ink).
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- No external assets — all sprites are inline SVG or CSS.
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## Output contract
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Emit between `<artifact>` tags:
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```
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<artifact identifier="sprite-anim-slug" type="text/html" title="Sprite animation — Title">
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<!doctype html>
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<html>...</html>
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</artifact>
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```
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One sentence before the artifact, nothing after.
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