import { Camera } from "@babylonjs/core/Cameras/camera";
import { Matrix, Vector3 } from "@babylonjs/core/Maths/math.vector";
import { Observable } from "@babylonjs/core/Misc/observable";
import type { Scene } from "@babylonjs/core/scene";
import type { Nullable } from "@babylonjs/core/types";
import type { IMmdBindableCameraAnimation } from "./Animation/IMmdBindableAnimation";
import type { IMmdRuntimeCameraAnimation } from "./Animation/IMmdRuntimeAnimation";
import type { MmdCompositeRuntimeCameraAnimation } from "./Animation/mmdCompositeRuntimeCameraAnimation";
import type { MmdRuntimeCameraAnimation } from "./Animation/mmdRuntimeCameraAnimation";
import type { MmdRuntimeCameraAnimationContainer } from "./Animation/mmdRuntimeCameraAnimationContainer";
import type { IMmdCamera } from "./IMmdCamera";
import type { MmdRuntimeAnimationHandle } from "./mmdRuntimeAnimationHandle";
type RuntimeCameraAnimation = MmdRuntimeCameraAnimation | MmdRuntimeCameraAnimationContainer | MmdCompositeRuntimeCameraAnimation | IMmdRuntimeCameraAnimation;
/**
 * MMD camera
 *
 * The MMD camera is a type of Arc Rotate Camera that determines the transform of the camera by the center position, rotation(yaw pitch roll), and distance parameters
 */
export declare class MmdCamera extends Camera implements IMmdCamera {
    /**
     * Gets or sets a boolean indicating that the scaling of the parent hierarchy will not be taken in account by the camera
     */
    ignoreParentScaling: boolean;
    /**
     * Define the current target of the camera (default: (0, 10, 0))
     */
    target: Vector3;
    /**
     * Define the current rotation of the camera
     */
    rotation: Vector3;
    /**
     * Define the current distance of the camera from its target (default: -45)
     */
    distance: number;
    private readonly _viewMatrix;
    /**
     * Observable triggered when the current animation is changed
     *
     * Value is 30fps frame time duration of the animation
     */
    readonly onAnimationDurationChangedObservable: Observable<number>;
    private readonly _animationHandleMap;
    private _currentAnimation;
    /**
     * Creates a new MMD camera
     * @param name Defines the name of the camera in the scene
     * @param target Defines the target of the camera
     * @param scene Defines the scene the camera belongs too
     * @param setActiveOnSceneIfNoneActive Defines if the camera should be set as active after creation if no other camera have been defined in the scene
     */
    constructor(name: string, target?: Vector3, scene?: Scene, setActiveOnSceneIfNoneActive?: boolean);
    /**
     * Define the current local position of the camera in the scene
     */
    get position(): Vector3;
    set position(value: Vector3);
    /**
     * Update the position of the camera based on the target, distance, and rotation values
     *
     * position is automatically updated when view matrix is computed, so you usually don't need to call this method
     */
    updatePosition(): void;
    /**
     * Bind the animation to the camera and return a handle to the runtime animation
     * @param animation  MMD animation or MMD camera animation group to add
     * @returns A handle to the runtime animation
     */
    createRuntimeAnimation(animation: IMmdBindableCameraAnimation): MmdRuntimeAnimationHandle;
    /**
     * Destroy a runtime animation by its handle
     * @param handle The handle of the runtime animation to destroy
     * @returns True if the animation was destroyed, false if it was not found
     */
    destroyRuntimeAnimation(handle: MmdRuntimeAnimationHandle): boolean;
    /**
     * Set the current animation of the camera
     *
     * If handle is null, the current animation will be cleared
     *
     * @param handle The handle of the animation to set as current
     * @throws {Error} if the animation with the handle is not found
     */
    setRuntimeAnimation(handle: Nullable<MmdRuntimeAnimationHandle>): void;
    /**
     * Get the runtime animation map of the camera
     */
    get runtimeAnimations(): ReadonlyMap<MmdRuntimeAnimationHandle, RuntimeCameraAnimation>;
    /**
     * Get the current animation of the camera
     */
    get currentAnimation(): Nullable<RuntimeCameraAnimation>;
    /**
     * Duration of the animation in 30fps frame time
     */
    get animationFrameTimeDuration(): number;
    /**
     * Animate the camera
     * @param frameTime The 30fps frame time
     */
    animate(frameTime: number): void;
    private _storedTarget;
    private _storedRotation;
    private _storedDistance;
    /**
     * Store current camera state of the camera (fov, target, rotation, etc..)
     * @returns the camera
     */
    storeState(): Camera;
    /**
     * Restored camera state. You must call storeState() first
     * @returns whether it was successful or not
     * @internal
     */
    _restoreStateValues(): boolean;
    /** @internal */
    _initCache(): void;
    /**
     * @internal
     */
    _updateCache(ignoreParentClass?: boolean): void;
    /** @internal */
    _isSynchronizedViewMatrix(): boolean;
    private static readonly _RotationMatrix;
    private static readonly _UpVector;
    private static readonly _TargetVector;
    /** @internal */
    _getViewMatrix(): Matrix;
    /**
     * Gets the current object class name.
     * @returns the class name
     */
    getClassName(): string;
}
export {};