{
  "$schema": "https://hyperframes.heygen.com/schema/registry-item.json",
  "name": "split-flap-board",
  "type": "hyperframes:block",
  "title": "Split-Flap Board",
  "description": "Solari-style departure board: every cell walks its drum forward through the intervening characters of a fixed alphabet until it lands on its target, so the text resolves as a mechanical cascade instead of a fade.",
  "dimensions": {
    "width": 1920,
    "height": 1080
  },
  "duration": 3.5,
  "tags": ["text", "kinetic", "mechanical", "split-flap", "solari", "departure-board", "reveal"],
  "variables": [
    {
      "id": "boardText",
      "type": "string",
      "label": "Board text",
      "default": "NOW BOARDING",
      "maxLength": 24
    },
    {
      "id": "flapAlphabet",
      "type": "string",
      "label": "Flap alphabet (drum order)",
      "default": " ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789.,'",
      "maxLength": 64
    },
    {
      "id": "flipDuration",
      "type": "number",
      "label": "Seconds per flap",
      "default": 0.09,
      "min": 0.03,
      "max": 1.2,
      "step": 0.01,
      "unit": "s"
    },
    {
      "id": "cellStagger",
      "type": "number",
      "label": "Per-cell start stagger",
      "default": 0.05,
      "min": 0,
      "max": 0.5,
      "step": 0.01,
      "unit": "s"
    },
    {
      "id": "cellCount",
      "type": "number",
      "label": "Cells on the board",
      "default": 12,
      "min": 1,
      "max": 24,
      "step": 1
    }
  ],
  "files": [
    {
      "path": "split-flap-board.html",
      "target": "compositions/split-flap-board.html",
      "type": "hyperframes:composition"
    }
  ]
}