material.KHR_materials_anisotropy.schema.json

{
    "$schema": "http://json-schema.org/draft-04/schema",
    "title": "KHR_materials_anisotropy glTF Material Extension",
    "type": "object",
    "description": "glTF extension that defines anisotropy.",
    "allOf": [ { "$ref": "glTFProperty.schema.json" } ],
    "properties": {
        "anisotropyStrength": {
            "type": "number",
            "description": "The anisotropy strength.",
            "default": 0.0,
            "minimum": 0.0,
            "maximum": 1.0,
            "gltf_detailedDescription": "The anisotropy strength. When the anisotropy texture is present, this value is multiplied by the texture's blue channel."
        },
        "anisotropyRotation": {
            "type": "number",
            "description": "The rotation of the anisotropy.",
            "default": 0.0,
            "gltf_detailedDescription": "The rotation of the anisotropy in tangent, bitangent space, measured in radians counter-clockwise from the tangent. When the anisotropy texture is present, this value provides additional rotation to the vectors in the texture."
        },
        "anisotropyTexture": {
            "allOf": [ { "$ref": "textureInfo.schema.json" } ],
            "description": "The anisotropy texture.",
            "gltf_detailedDescription": "The anisotropy texture. Red and green channels represent the anisotropy direction in $[-1, 1]$ tangent, bitangent space, to be rotated by the anisotropy rotation. The blue channel contains strength as $[0, 1]$ to be multiplied by the anisotropy strength."
        },
        "extensions": { },
        "extras": { }
    }
}