mathburst.fireheartjerry.chatgpt.site

{
  "type": "object",
  "properties": {
    "shape": {
      "type": "string",
      "enum": [
        "rectangle",
        "ellipse",
        "triangle",
        "polygon",
        "freeform"
      ],
      "description": "\"rectangle\", \"ellipse\", \"triangle\" (need bounds) or \"polygon\", \"freeform\" (need points)."
    },
    "bounds": {
      "type": "object",
      "description": "World px box for rectangle, ellipse and triangle.",
      "properties": {
        "x": {
          "type": "number",
          "description": "Left edge in world px."
        },
        "y": {
          "type": "number",
          "description": "Top edge in world px."
        },
        "width": {
          "type": "number",
          "exclusiveMinimum": 0,
          "description": "Width in world px, > 0."
        },
        "height": {
          "type": "number",
          "exclusiveMinimum": 0,
          "description": "Height in world px, > 0."
        }
      },
      "required": [
        "x",
        "y",
        "width",
        "height"
      ],
      "additionalProperties": false
    },
    "points": {
      "type": "array",
      "minItems": 2,
      "items": {
        "type": "object",
        "description": "A point {x, y} in world px (canvas units, y grows downward).",
        "properties": {
          "x": {
            "type": "number",
            "description": "Horizontal position in world px."
          },
          "y": {
            "type": "number",
            "description": "Vertical position in world px; larger is lower."
          }
        },
        "required": [
          "x",
          "y"
        ],
        "additionalProperties": false
      },
      "description": "World px points; polygon needs ≥ 3, freeform ≥ 2."
    },
    "fill": {
      "type": "string",
      "description": "CSS fill color or \"none\". Default translucent violet (\"none\" for freeform)."
    },
    "stroke": {
      "type": "string",
      "description": "CSS stroke color. Default \"#7c5cff\"."
    },
    "strokeWidth": {
      "type": "number",
      "minimum": 0,
      "maximum": 40,
      "description": "Outline width in world px, 0..40."
    },
    "cornerRadius": {
      "type": "number",
      "minimum": 0,
      "maximum": 200,
      "description": "Corner radius in world px for rectangles, 0..200."
    },
    "summary": {
      "type": "string",
      "maxLength": 120,
      "description": "Past-tense label for the activity rail, e.g. \"Boxed the answer\". Optional."
    }
  },
  "required": [
    "shape"
  ],
  "additionalProperties": false
}