import { Box3, Camera, Vector3 } from 'three';
/**
 *
 * 相机的控制.
 * ->切换相机
 * ->设置视口大小
 * ->旋转和移动相机.
 *
 * @export
 * @class ViewCameraManage
 */
export declare class CameraUpdate {
    private m_CurCamera;
    private m_CameraArray;
    private m_Width;
    private m_Height;
    private m_ViewHeight;
    private m_Target;
    private m_Direction;
    private m_Orbit;
    m_MinViewHeight: number;
    m_MaxViewHeight: number;
    constructor();
    get Aspect(): number;
    get Camera(): Camera;
    get ViewHeight(): number;
    set ViewHeight(height: number);
    SetSize(width: number, height: number): void;
    /**
     * 平移相机.
     *
     * @param {Vector3} mouseMove
     * @memberof CameraControl
     */
    Pan(mouseMove: Vector3): void;
    Rotate(mouseMove: Vector3, target: Vector3): void;
    Zoom(scale: number, scaleCenter?: Vector3): void;
    ZoomExtensBox3(box3: Box3): void;
    LookAt(dir: Vector3): void;
    UpdateUp(): void;
    /**
     * 根据视口大小,设置相机视口范围.
     *
     * @returns
     * @memberof CameraControl
     */
    Update(): void;
    SwitchCamera(): void;
}