import { ElementRef, OnDestroy, AfterViewInit, SimpleChanges, OnChanges, NgZone } from '@angular/core';
import * as THREE from 'three';
import { LocalService } from './local.service';
import * as i0 from "@angular/core";
export declare type NcCameraPlacementType = 'default' | 'left' | 'right' | 'top' | 'bottom' | 'back' | 'front';
export declare class GltfViewerComponent implements AfterViewInit, OnDestroy, OnChanges {
    private eleRef;
    private ls;
    private ngZone;
    /** 模型地址 */
    ncUrl: string;
    /** 摄像机初始方位 */
    ncCameraPlacement: NcCameraPlacementType;
    /** 是否启用背景色 */
    set ncBg(value: boolean | string);
    /** 背景色值 */
    set ncBgColor(value: string);
    /** 操作提示 */
    private _tips;
    set ncTips(value: boolean | string);
    get ncTips(): boolean;
    /** 控制面板 */
    private _control;
    set ncControl(value: boolean | string);
    get ncControl(): boolean;
    /** 背景是否透明 */
    private _alpha;
    set ncAlpha(value: boolean | string);
    get ncAlpha(): boolean;
    showLoading: boolean;
    domId: string;
    camera: any;
    scene: any;
    loader: any;
    renderer: any;
    domWidth: any;
    domHeight: any;
    gltf: any;
    size: number;
    center: any;
    controls: any;
    mixer: THREE.AnimationMixer | null;
    clock: THREE.Clock;
    gui: any;
    state: any;
    constructor(eleRef: ElementRef, ls: LocalService, ngZone: NgZone);
    ngOnChanges(changes: SimpleChanges): void;
    ngAfterViewInit(): void;
    ngOnDestroy(): void;
    init(): void;
    render(): void;
    animate(): void;
    onWindowResize(): void;
    updateModel(): void;
    setCameraPlacement(): void;
    addGUI(): void;
    updateToneMapping(): void;
    updateToneMappingExposure(): void;
    updateBackground(): void;
    axesHelper: any;
    toggleAxesHelper(): void;
    toggleWireframe(): void;
    traverseMaterials(object: any, callback: any): void;
    toggleAutoRotate(): void;
    updateAnimation(): void;
    ambientLight: any;
    toggleAmbientLight(): void;
    updateAmbientLight(): void;
    directionalLight: any;
    toggleDirectionalLight(): void;
    updateDirectionalLight(): void;
    directionalLightHelper: any;
    toggleDirectionalLightHelper(): void;
    pointLight: any;
    togglePointLight(): void;
    updatePointLight(): void;
    pointLightHelper: any;
    togglePointLightHelper(): void;
    webglLoseContext(): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<GltfViewerComponent, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<GltfViewerComponent, "nc-gltf-viewer", never, { "ncUrl": "ncUrl"; "ncCameraPlacement": "ncCameraPlacement"; "ncBg": "ncBg"; "ncBgColor": "ncBgColor"; "ncTips": "ncTips"; "ncControl": "ncControl"; "ncAlpha": "ncAlpha"; }, {}, never, never>;
}