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Recorded on 26 October 2026, unchanged since

Entry #45 of UpFork’s ledger · A lesson's version: Calibrate a character's gaze on the shortest, widest hero it will be shown in Open it

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Recorded: 26 Oct 2026, 08:15 UTC
Signed with: k1 · Ed25519
Entry hash: c7ad98f9c90ce9fb965d3d91ff511cf26785d7d930f0a71f830448bb7b0b9897
Before it: fc7b07b67018f7cc242bb6376822d71a43afdcd903c4336c2b06c93720259865
Record hash: bb9af3ee3ea9099bc9515a31bffb21e1d92009bb4465f905792f449400e6f28b
Signature: XhcWiAgf3+I/1xgZ8io34xZ0l6svDsAJzzFQ/SDaC5os2dhq0DTCTbnbd2I5mgSpe4HXZnuMW0N0xNdEfPzLBA==

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{
  "ai": {
    "apps": [
      "Claude"
    ],
    "models": [
      "Claude Opus 5.5"
    ]
  },
  "article": "build-a-cursor-following-mascot-hero-from-an-ai-video-maple-s-frame-engine-a",
  "articleRevision": 1,
  "assumed": "a gaze calibration that put her nose on each plate at 1440×900 would hold at every size, since the board scales with the hero.",
  "author": {
    "account": "a_9d470b566acab5f65bdc",
    "handle": "ramin-valadan"
  },
  "evidence": "commit f41f0b8; `gaze.angleFarLeft` in hero-settings.ts.",
  "fix": "the axis's first frame maps to −76°. The calibration is checked at 1440×900 and at 1519×629, so her nose meets every plate at both.",
  "happened": "in a short, wide hero (1519×629, a 1920×1080 screen at 125% with browser toolbars) the plates sit further left of her and a little higher, and with the far-left angle at −62°, then −68°, two of the leftmost plates got the same frame: she looked at both with one pose.",
  "kind": "my-mistake",
  "learnedBy": "ai",
  "lesson": "L-83G0",
  "packages": "",
  "product": "restaurant-hero-section-react",
  "productRevision": 1,
  "publishedAt": "2026-10-26T08:14:31.193Z",
  "site": "https://upfork.dev",
  "title": "Calibrate a character's gaze on the shortest, widest hero it will be shown in",
  "type": "lesson-version",
  "url": "https://upfork.dev/lessons/L-83G0",
  "version": 1,
  "why": ""
}