skin.schema.json

{
    "$schema": "http://json-schema.org/draft-04/schema",
    "title": "Skin",
    "type": "object",
    "description": "Joints and matrices defining a skin.",
    "allOf": [ { "$ref": "glTFChildOfRootProperty.schema.json" } ],
    "properties": {
        "inverseBindMatrices": {
            "allOf": [ { "$ref": "glTFid.schema.json" } ],
            "description": "The index of the accessor containing the floating-point 4x4 inverse-bind matrices.  The default is that each matrix is a 4x4 identity matrix, which implies that inverse-bind matrices were pre-applied."
        },
        "skeleton": {
            "allOf": [ { "$ref": "glTFid.schema.json" } ],
            "description": "The index of the node used as a skeleton root. When undefined, joints transforms resolve to scene root."
        },
        "joints": {
            "type": "array",
            "description": "Indices of skeleton nodes, used as joints in this skin.",
            "items": {
                "$ref": "glTFid.schema.json"
            },
            "uniqueItems": true,
            "minItems": 1,
            "gltf_detailedDescription": "Indices of skeleton nodes, used as joints in this skin.  The array length must be the same as the `count` property of the `inverseBindMatrices` accessor (when defined)."
        },
        "name": { },
        "extensions": { },
        "extras": { }
    },
    "required": [ "joints" ]
}