@drecom/scene-graph-schema/definitions/Transform.json

scene-graph-schema is a intermediate data schema that represents common data structure of a scene in game application.

{
  "$schema": "http://json-schema.org/draft-04/schema#",

  "id": "/definitions/Transform.json",

  "definitions": {
    "Transform": {
      "id": "#Transform",
      "type": "object",
      "properties": {
        "width":    { "type": "number" },
        "height":   { "type": "number" },
        "x":        { "type": "number" },
        "y":        { "type": "number" },
        "rotation": { "type": "number" },
        "scale": {
          "type": "object",
          "properties": {
            "x": { "type": "number" },
            "y": { "type": "number" }
          },
          "required": [
            "x",
            "y"
          ]
        },
        "anchor": {
          "type": "object",
          "properties": {
            "x": { "type": "number" },
            "y": { "type": "number" }
          },
          "required": [
            "x",
            "y"
          ]
        },
        "parent": { "type": "string" },
        "children": {
          "type":  "array",
          "items": { "type": "string" }
        }
      },
      "required": [
        "x",
        "y",
        "anchor"
      ]
    }
  }
}