import { EventEmitter } from '@feng3d/event';
import { Node, NodeEventMap } from '../../core/Node';
import { Matrix4 } from '../../thirdparty/three/exports';
import { Group, Vector3 } from '../../thirdparty/three/imports';
export interface Node3DEventMap extends NodeEventMap {
}
export interface Node3D {
    /**
     * 父对象
     */
    get parent(): Node3D;
    /**
     * 子对象列表
     */
    get children(): Node3D[];
    set children(v: Node3D[]);
    /**
     * 获取指定位置的子对象
     *
     * @param index 子对象位置。
     */
    getChildAt(index: number): Node3D;
    /**
     * 根据名称查找对象
     *
     * @param name 对象名称
     */
    find(name: string): Node3D;
    /**
     * 添加子对象
     *
     * @param child 子对象
     *
     * @returns 返回自身。
     */
    addChild(child: Node3D): this;
}
/**
 * 3D节点，包装`three`中`Group`作为3D节点。
 */
export declare class Node3D extends Node {
    emitter: EventEmitter<Node3DEventMap>;
    __class__: 'Node3D';
    protected _parent: Node3D;
    protected _children: Node3D[];
    /**
     * @private
     */
    _group: Group;
    get position(): Vector3;
    set position(v: Vector3);
    get rotation(): import("three/src/math/Euler").Euler;
    set rotation(v: import("three/src/math/Euler").Euler);
    get scale(): Vector3;
    set scale(v: Vector3);
    get quaternion(): import("three/src/math/Quaternion").Quaternion;
    get up(): Vector3;
    get visible(): boolean;
    set visible(v: boolean);
    /**
     * 是否拥有`Camera3D`组件。
     *
     * 为了解决`three.js`中摄像机、灯光独特`lookAt`运算。
     * @see https://github.com/mrdoob/three.js/blob/r149/src/core/Object3D.js#L284
     */
    get isCamera(): boolean;
    set isCamera(v: boolean);
    get isPerspectiveCamera(): boolean;
    set isPerspectiveCamera(v: boolean);
    get isOrthographicCamera(): boolean;
    set isOrthographicCamera(v: boolean);
    /**
     * 是否拥有`Mesh3D`组件。
     */
    get isMesh(): boolean;
    set isMesh(v: boolean);
    get isInstancedMesh(): boolean;
    set isInstancedMesh(v: boolean);
    get isBrush(): boolean;
    set isBrush(v: boolean);
    get isPoints(): boolean;
    set isPoints(v: boolean);
    get isSprite(): boolean;
    set isSprite(v: boolean);
    get isLine(): boolean;
    set isLine(v: boolean);
    get isLineSegments(): boolean;
    set isLineSegments(v: boolean);
    /**
     * 是否拥有`Light3D`组件。
     */
    get isLight(): boolean;
    set isLight(v: boolean);
    get matrix(): Matrix4;
    set matrix(v: Matrix4);
    get matrixWorld(): Matrix4;
    constructor();
    getObjectByName(name: string): import("three/src/core/Object3D").Object3D<import("three").Event>;
    destroy(): void;
    lookAt(x: number, y: number, z: number): void;
    lookAt(vector: Vector3): void;
    translateX(distance: number): this;
    translateY(distance: number): this;
    translateZ(distance: number): this;
    updateMatrix(): void;
    updateMatrixWorld(force?: boolean): void;
    applyMatrix4(matrix: Matrix4): void;
    private _onAdded;
    private _onRemoved;
    static get(group: Group): Node3D;
    private static _map;
}
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