import { XRController } from './xrController';
import { Camera } from '../core/camera';
import * as THREE from "three";
type XRMachineType = 'Pico' | 'Oculus' | 'VP';
interface XRInitOption {
    /** 使用WEBXR的当前设备*/
    machineType: XRMachineType;
    /** 全景模式还是视差模式*/
    isPanorama: boolean;
    /** 使用的参考空间类型*/
    referenceSpaceType: XRReferenceSpaceType;
    onSessionStart?(session: XRSession): void;
    onSessionEnd?(): void;
}
declare class XRManager {
    /** 是否使用全景模式*/
    isPanorama: boolean;
    /** 当前的设备*/
    machineType: XRMachineType;
    /** 场景渲染器*/
    renderer: THREE.WebGLRenderer;
    /** opengles句柄*/
    gl: WebGLRenderingContext;
    /** 是否开启XR模式 */
    enabled: boolean;
    /** WebXR模式Context */
    session: XRSession | null;
    /** XR参考空间类型*/
    referenceSpaceType: XRReferenceSpaceType;
    /** XR参考空间 */
    referenceSpace: XRReferenceSpace | null;
    /** XR控制器 */
    controllers: XRController[];
    /** XR控制器控制数据 */
    inputSourcesMap: Map<XRInputSource, XRController>;
    /** XR双相机 */
    cameraVR: THREE.ArrayCamera;
    /** XR左眼相机*/
    cameraL: THREE.PerspectiveCamera;
    /** XR右眼相机*/
    cameraR: THREE.PerspectiveCamera;
    /** 是否在获取*/
    isPresenting: boolean;
    /** 视锥近面*/
    private currentDepthNear;
    /** 视锥远面*/
    private currentDepthFar;
    /** 左眼相机位姿*/
    private cameraLPos;
    /** 右眼相机位姿*/
    private cameraRPos;
    /** XRSession 开始 */
    private onSessionStartCallback;
    /** XRSession 结束 */
    private onSessionEndCallback;
    constructor(renderer: THREE.WebGLRenderer, gl: WebGLRenderingContext, options?: Partial<XRInitOption>);
    getController(index: number): any;
    getRightController(): any;
    getLeftController(): any;
    getControllerGrip(index: number): any;
    getCameras(): any;
    private updateCamera;
    /**
     * @author jsantell / https://www.jsantell.com/
     *
     * Assumes 2 cameras that are parallel and share an X-axis, and that
     * the cameras' projection and world matrices have already been set.
     * And that near and far planes are identical for both cameras.
     * Visualization of this technique: https://computergraphics.stackexchange.com/a/4765
     */
    setProjectionFromUnion(camera: THREE.PerspectiveCamera, cameraL: THREE.PerspectiveCamera, cameraR: THREE.PerspectiveCamera): void;
    /**
     * 获取THREEJS用于渲染XR场景的双眼相机
     * @param camera - 传统模式下渲染场景的THREEJS相机
     * @returns - 用于渲染XR场景的双眼相机
     */
    getCamera(camera: Camera): any;
    private updateInputSources;
    private onSessionEvent;
    private onSessionEnd;
    private onRequestReferenceSpace;
    setSession(value: XRSession | null): void;
}
export { XRManager, XRInitOption, XRMachineType };