khr_light_spot.json

{
    "info" : {
        "name" : "KHR_LIGHT_SPOT",
        "type" : "extension",
        "dependencies" : []
    },

    "objects" : [
        {
            "type" : "ANARI_LIGHT",
            "name" : "spot",
            "description" : "spot light object",
            "parameters" : [
                {
                    "name" : "name",
                    "types" : ["ANARI_STRING"],
                    "tags" : [],
                    "description" : "optional object name"
                }, {
                    "name" : "color",
                    "types" : ["ANARI_FLOAT32_VEC3"],
                    "tags" : ["color"],
                    "default" : [1.0, 1.0, 1.0],
                    "minimum" : [0.0, 0.0, 0.0],
                    "maximum" : [1.0, 1.0, 1.0],
                    "description" : "color of the light"
                }, {
                    "name" : "position",
                    "types" : ["ANARI_FLOAT32_VEC3"],
                    "tags" : ["point"],
                    "default" : [0.0, 0.0, 0.0],
                    "description" : "position of the light source"
                }, {
                    "name" : "direction",
                    "types" : ["ANARI_FLOAT32_VEC3"],
                    "tags" : ["direction"],
                    "default" : [0.0, 0.0, -1.0],
                    "description" : "the axis of the spot"
                }, {
                    "name" : "openingAngle",
                    "types" : ["ANARI_FLOAT32"],
                    "tags" : [],
                    "default" : 3.14159265359,
                    "description" : "opening angle in radians"
                }, {
                    "name" : "falloffAngle",
                    "types" : ["ANARI_FLOAT32"],
                    "tags" : [],
                    "default" : 0.1,
                    "description" : "falloff angle in radians"
                }, {
                    "name" : "intensity",
                    "types" : ["ANARI_FLOAT32"],
                    "tags" : [],
                    "default" : 1.0,
                    "description" : "overall amount of light emitted in a direction in W/sr"
                }, {
                    "name" : "power",
                    "types" : ["ANARI_FLOAT32"],
                    "tags" : [],
                    "default" : 1.0,
                    "description" : "overall amount of light energy emitted in W"
                }
            ]
        }
    ]
}