{
 "schema_version": 1,
 "generated": "2026-10-26",
 "repo": "gary149/h3-game-sprites",
 "name": "h3-game-sprites",
 "owner": "gary149",
 "slug": "gary149-h3-game-sprites",
 "github": "https://github.com/gary149/h3-game-sprites",
 "what": "An Agent Skill and Python scripts that turn AI-generated video into 2D game sprite sheets, with chroma keying, keyframe selection, walk-cycle detection and atlas packing.",
 "why": "146 stars, launched 70 days ago",
 "language": "Python",
 "requirements": [
  "ffmpeg installed locally",
  "Python 3 with Pillow and numpy",
  "A video model such as H3 / Hailuo 3 via OpenRouter, fal or MiniMax, or an ordinary video file you already have",
  "An image model or illustrator for the character still (gen_still.py defaults to Nano Banana through OpenRouter and reads OPENROUTER_API_KEY)",
  "Budget of roughly $0.60-0.70 per five-second clip plus a few cents per still, varying by provider"
 ],
 "audience_note": "Indie game developers and hobbyists who want 2D character animation from AI video clips, and agents that run the pipeline for them.",
 "risk": "none",
 "section": "earlier",
 "weekly_rank": null,
 "category": "Games and hobbies",
 "url": "https://dedupedai.com/use-cases/gary149-h3-game-sprites/",
 "use_case_count": 3,
 "use_cases": [
  {
   "id": "gary149-h3-game-sprites--cut-move-clip-into-sprite-frames",
   "title": "Cut a generated move clip into keyed sprite frames",
   "best": true,
   "url": "https://dedupedai.com/use-cases/gary149-h3-game-sprites/cut-move-clip-into-sprite-frames/",
   "json": "https://dedupedai.com/use-cases/u/gary149-h3-game-sprites/cut-move-clip-into-sprite-frames.json"
  },
  {
   "id": "gary149-h3-game-sprites--build-seamless-walk-cycle",
   "title": "Build a seamless walk cycle from a generated clip",
   "best": false,
   "url": "https://dedupedai.com/use-cases/gary149-h3-game-sprites/build-seamless-walk-cycle/",
   "json": "https://dedupedai.com/use-cases/u/gary149-h3-game-sprites/build-seamless-walk-cycle.json"
  },
  {
   "id": "gary149-h3-game-sprites--pack-character-moves-into-atlas",
   "title": "Pack a character's moves into one engine-ready atlas",
   "best": false,
   "url": "https://dedupedai.com/use-cases/gary149-h3-game-sprites/pack-character-moves-into-atlas/",
   "json": "https://dedupedai.com/use-cases/u/gary149-h3-game-sprites/pack-character-moves-into-atlas.json"
  }
 ],
 "disclaimer": "Third-party repos we don't own or vouch for. AI-generated use cases can be wrong: review everything and run at your own risk."
}