import * as THREE from 'three';
export type RegionBoundingVolumeJson = {
    region: number[];
};
export type BoxBoundingVolumeJson = {
    box: number[];
};
export type SphereBoundingVolumeJson = {
    sphere: number[];
};
export type BoundingVolumeJson = RegionBoundingVolumeJson | BoxBoundingVolumeJson | SphereBoundingVolumeJson;
export declare enum VolumePlaneIntersect {
    Outside = -1,
    Intersecting = 0,
    Inside = 1
}
export declare class CullingVolume {
    static get MASK_OUTSIDE(): number;
    static get MASK_INSIDE(): number;
    static get MASK_INDETERMINATE(): number;
    planes: THREE.Plane[];
    constructor(planes?: THREE.Plane[]);
    setFromFrustum(frustum: THREE.Frustum): this;
    setFromCamera(camera: THREE.Camera): this;
    applyMatrix4(matrix: THREE.Matrix4): void;
    copy(cullingVolume: CullingVolume): this;
    clone(): CullingVolume;
    computeVisibility(boundingVolume: BoundingVolume): VolumePlaneIntersect;
    computeVisibilityWithPlaneMask(boundingVolume: BoundingVolume, parentPlaneMask: number): number;
}
export interface BoundingVolume {
    type: 'box' | 'sphere' | 'regin';
    applyMatrix4(matrix: THREE.Matrix4): this;
    getBoundingBox(target: THREE.Box3): THREE.Box3;
    toGeometry(): THREE.BufferGeometry;
    getCenter(result: THREE.Vector3): THREE.Vector3;
    distanceSquaredToPoint(point: THREE.Vector3): number;
    distanceToPoint(point: THREE.Vector3): number;
    distanceToPlane(plane: THREE.Plane): number;
    intersectPlane(plane: THREE.Plane): VolumePlaneIntersect;
    intersectRay(ray: THREE.Ray, threshold?: number, far?: number): boolean;
    clone(): BoundingVolume;
    copy(boundingVolume: this): this;
    fromJson(json: any): this;
    toJson(): BoundingVolumeJson;
}
export declare class BoxBoundingVolume implements BoundingVolume {
    type: "box";
    center: THREE.Vector3;
    halfSize: THREE.Vector3;
    rotation: THREE.Matrix3;
    constructor();
    fromJson({ box }: BoxBoundingVolumeJson): this;
    toJson(): BoxBoundingVolumeJson;
    copy(boxBoundingVolume: BoxBoundingVolume): this;
    clone(): BoxBoundingVolume;
    applyMatrix4(matrix: THREE.Matrix4): this;
    getCenter(result: THREE.Vector3): THREE.Vector3;
    distanceSquaredToPoint(point: THREE.Vector3): number;
    distanceToPoint(point: THREE.Vector3): number;
    distanceToPlane(plane: THREE.Plane): number;
    getBoundingBox(target: THREE.Box3): THREE.Box3;
    toGeometry(): THREE.BufferGeometry;
    intersectPlane(plane: THREE.Plane): VolumePlaneIntersect;
    intersectRay(ray: THREE.Ray, threshold?: number, far?: number): boolean;
}
export declare class SphereBoundingVolume implements BoundingVolume {
    type: "sphere";
    center: THREE.Vector3;
    radius: number;
    constructor();
    fromJson({ sphere }: SphereBoundingVolumeJson): this;
    toJson(): SphereBoundingVolumeJson;
    copy(sphereBoundingVolume: SphereBoundingVolume): this;
    clone(): SphereBoundingVolume;
    getBoundingBox(target: THREE.Box3): THREE.Box3;
    toGeometry(): THREE.BufferGeometry;
    applyMatrix4(matrix: THREE.Matrix4): this;
    getCenter(result: THREE.Vector3): THREE.Vector3;
    distanceSquaredToPoint(point: THREE.Vector3): number;
    distanceToPoint(point: THREE.Vector3): number;
    distanceToPlane(plane: THREE.Plane): number;
    intersectPlane(plane: THREE.Plane): VolumePlaneIntersect;
    intersectRay(ray: THREE.Ray, threshold?: number, far?: number): boolean;
}
export declare class RegionBoundingVolume implements BoundingVolume {
    type: "regin";
    west: number;
    south: number;
    east: number;
    north: number;
    minHeight: number;
    maxHeight: number;
    constructor();
    fromJson({ region }: RegionBoundingVolumeJson): this;
    toJson(): RegionBoundingVolumeJson;
    copy(regionBoundingVolume: RegionBoundingVolume): this;
    clone(): RegionBoundingVolume;
    getBoundingBox(target: THREE.Box3): THREE.Box3;
    toGeometry(): THREE.BufferGeometry;
    applyMatrix4(matrix: THREE.Matrix4): this;
    getCenter(result: THREE.Vector3): THREE.Vector3;
    distanceToPoint(point: THREE.Vector3): number;
    distanceSquaredToPoint(point: THREE.Vector3): number;
    distanceToPlane(plane: THREE.Plane): number;
    intersectPlane(plane: THREE.Plane): VolumePlaneIntersect;
    intersectRay(ray: THREE.Ray, threshold?: number, far?: number): boolean;
}
export declare function isBoundingVolume(obj: any): obj is BoundingVolume;
export declare function makeBoundingVolume(header: BoundingVolumeJson | BoundingVolume): BoundingVolume;
export declare function createDebugBoundingMesh(boundingVolume: BoundingVolume, level?: number): THREE.LineSegments<THREE.BufferGeometry, THREE.LineBasicMaterial> | null;