glTF.KHR_materials_specular.schema.json

{
    "$schema": "http://json-schema.org/draft-04/schema",
    "title": "KHR_materials_specular glTF extension",
    "type": "object",
    "description": "glTF extension that defines the strength of the specular reflection.",
    "allOf": [ { "$ref": "glTFProperty.schema.json" } ],
    "properties": {
        "specularFactor": {
            "type": "number",
            "description": "The strength of the specular reflection.",
            "default": 1.0,
            "minimum": 0.0,
            "maximum": 1.0,
            "gltf_detailedDescription": "This parameter scales the amount of specular reflection on non-metallic surfaces. It has no effect on metals."
        },
        "specularTexture": {
            "allOf": [ { "$ref": "textureInfo.schema.json" } ],
            "description": "A texture that defines the specular factor in the alpha channel.",
            "gltf_detailedDescription": "A texture that defines the specular factor in the alpha channel. This will be multiplied by specularFactor."
        },
        "specularColorFactor": {
            "type": "array",
            "items": {
                "type": "number",
                "minimum": 0.0
            },
            "description": "The F0 RGB color of the specular reflection.",
            "default": [ 1.0, 1.0, 1.0 ],
            "minItems": 3,
            "maxItems": 3,
            "gltf_detailedDescription": "This is an additional RGB color parameter that tints the specular reflection of non-metallic surfaces. At grazing angles, the reflection still blends to white, and the parameter has not effect on metals. The value is linear."
        },
        "specularColorTexture": {
            "allOf": [ { "$ref": "textureInfo.schema.json" } ],
            "description": "A texture that defines the F0 color of the specular reflection.",
            "gltf_detailedDescription": "A texture that defines the specular color in the RGB channels (encoded in sRGB). This will be multiplied by specularColorFactor."
        },
        "extensions": { },
        "extras": { }
    }
}