import type { Object3D, PerspectiveCamera, Vector3 } from '@anov/3d-core';
export { PerspectiveCameraExpand } from './CameraExpand';
export type vector3Array = number[];
type FocusParams = {
    target: vector3Array | vector3Array[] | string;
    pitch?: number;
    yaw?: number;
    distance?: number;
    duration?: number;
    isTrigger?: boolean;
    distanceCoefficient?: number;
    onUpdate?: (args: {
        position: Vector3;
        target: Vector3;
    }) => void;
};
export type FocusReturn = Promise<{
    position: number[];
    target: number[];
    duration: number;
    userInput: boolean;
    pitch: number;
}>;
export type FollowParamsOption = Partial<{
    relativeRotation: boolean;
    pitch: number;
    yaw: number;
    distance: number;
}>;
export interface CameraExpandInterface {
    isTransitionPeriod: boolean;
    isCameraChange: boolean;
    pitch: number;
    yaw: number;
    /**
     * 设置俯仰角
     * @param deg
     */
    setPitch(deg: number): void;
    /**
     * 设置偏航角
     * @param deg
     */
    setYaw(deg: number): void;
    /**
     * 相机聚焦
     * @param params
     */
    focus(params: FocusParams): FocusReturn;
    /**
     * 相机跟随
     * @param params
     */
    follow(target: Object3D, camera: PerspectiveCamera, option?: FollowParamsOption): number;
    /**
     * 取消单个相机跟随
     * @param followId
     */
    cancelFollow(followId: number): void;
    /**
     * 取消全部相机跟随
     */
    cancelAllFollow(): void;
}