import * as BABYLON from "@babylonjs/core";
import { Entity } from "ecsy";
import { SceneComponent, XYZProperties, ColorComponent, LightColorProperties } from "./types/index";
export declare enum LightTypes {
    Point = "Point",
    Directional = "Directional",
    Spot = "Spot",
    Hemispheric = "Hemispheric"
}
/**
 * @example
 * ```
 * entity.addComponent(Light, { color: { diffuse: "#AAFFAA" } });
 * entity.addComponent(Light, { type: LightTypes.Point, intensity: 2 });
 * entity.addComponent(Light, { type: LightTypes.Directional, direction: { x: 0, y: 0, z: 1 } });
 * entity.addComponent(Light, { type: LightTypes.Spot, direction: { x: 0, y: 0, z: 1 }, angle: 30, exponent: 2 });
 * ```
 */
export declare class Light implements SceneComponent, ColorComponent<LightColorProperties> {
    scene?: Entity;
    object: BABYLON.HemisphericLight | BABYLON.ShadowLight;
    /** @default "Hemispheric" */
    type?: LightTypes;
    color?: LightColorProperties;
    /**
     * @see https://doc.babylonjs.com/api/classes/babylon.shadowlight#direction
     * @default 0,0,0
     */
    direction: XYZProperties;
    /** @see https://doc.babylonjs.com/api/classes/babylon.light#intensity */
    intensity?: number;
    /** @see https://doc.babylonjs.com/api/classes/babylon.light#radius */
    radius?: number;
    /** @see https://doc.babylonjs.com/api/classes/babylon.light#range */
    range?: number;
    /**
     * @see https://doc.babylonjs.com/api/classes/babylon.spotlight#angle
     * @memberof Spot
     */
    angle?: number;
    /**
     * @see https://doc.babylonjs.com/api/classes/babylon.spotlight#exponent
     * @memberof Spot
     */
    exponent?: number;
}