import * as _angular_core from '@angular/core';
import { AfterViewInit, OnChanges, ElementRef, SimpleChanges } from '@angular/core';
import * as i2 from '@angular/common';

type NcAnimationTypeType = 'rotate' | 'hover' | '3drotate';
interface NcOffset {
    x: number;
    y: number;
}
declare class PrismBackgroundComponent implements AfterViewInit, OnChanges {
    containerRef: ElementRef<HTMLDivElement>;
    /** 棱镜高度（1-8） */
    ncHeight: _angular_core.InputSignal<number>;
    /** 棱镜基础宽度（1-8） */
    ncBaseWidth: _angular_core.InputSignal<number>;
    /** 动画类型：rotate, hover, 3drotate */
    ncAnimationType: _angular_core.InputSignal<NcAnimationTypeType>;
    /** 发光强度（0-3） */
    ncGlow: _angular_core.InputSignal<number>;
    /** 偏移量 {x, y} */
    ncOffset: _angular_core.InputSignal<NcOffset>;
    /** 噪点强度（0-1） */
    ncNoise: _angular_core.InputSignal<number>;
    /** 画布是否具有 alpha 通道（透明背景） */
    ncTransparent: _angular_core.InputSignalWithTransform<boolean, unknown>;
    /** 棱镜在屏幕空间中的整体比例（1-5） */
    ncScale: _angular_core.InputSignal<number>;
    /** 色相偏移（-3.14-3.14） */
    ncHueShift: _angular_core.InputSignal<number>;
    /** 颜色变化频率（0-4） */
    ncColorFrequency: _angular_core.InputSignal<number>;
    /** 悬停反馈强度 */
    ncHoverStrength: _angular_core.InputSignal<number>;
    /** 悬停缓动系数（0-1，数值越高反应越灵敏） */
    ncInertia: _angular_core.InputSignal<number>;
    /** 在光泽之上叠加额外的光晕效果（0.5-2） */
    ncBloom: _angular_core.InputSignal<number>;
    /** 若不在屏幕中，是否挂起以节省性能 */
    ncSuspendWhenOffscreen: _angular_core.InputSignalWithTransform<boolean, unknown>;
    /** 动画速度（0-2） */
    ncTimeScale: _angular_core.InputSignal<number>;
    /** 背景颜色 */
    ncBgColor: _angular_core.InputSignal<string>;
    private renderer;
    private camera;
    private scene;
    private material;
    private mesh;
    private resizeObserver;
    private intersectionObserver;
    private rafId;
    private dpr;
    private pointer;
    private yaw;
    private pitch;
    private roll;
    private targetYaw;
    private targetPitch;
    private wX;
    private wY;
    private wZ;
    private phX;
    private phZ;
    private isVisible;
    private t0;
    private readonly document;
    private readonly destroyRef;
    private readonly ngZone;
    private readonly renderer2;
    private readonly isBrowser;
    private removePointerMoveListener;
    private removeMouseLeaveListener;
    private removeBlurListener;
    constructor();
    ngAfterViewInit(): void;
    ngOnChanges(changes: SimpleChanges): void;
    private initWebGL;
    private updateUniforms;
    private setupResizeObserver;
    private setupIntersectionObserver;
    private lerp;
    private setMat3FromEuler;
    private renderLoop;
    private startRAF;
    private stopRAF;
    private cleanup;
    onPointerMove(e: PointerEvent): void;
    onMouseLeave(): void;
    onBlur(): void;
    static ɵfac: _angular_core.ɵɵFactoryDeclaration<PrismBackgroundComponent, never>;
    static ɵcmp: _angular_core.ɵɵComponentDeclaration<PrismBackgroundComponent, "nc-prism-background", never, { "ncHeight": { "alias": "ncHeight"; "required": false; "isSignal": true; }; "ncBaseWidth": { "alias": "ncBaseWidth"; "required": false; "isSignal": true; }; "ncAnimationType": { "alias": "ncAnimationType"; "required": false; "isSignal": true; }; "ncGlow": { "alias": "ncGlow"; "required": false; "isSignal": true; }; "ncOffset": { "alias": "ncOffset"; "required": false; "isSignal": true; }; "ncNoise": { "alias": "ncNoise"; "required": false; "isSignal": true; }; "ncTransparent": { "alias": "ncTransparent"; "required": false; "isSignal": true; }; "ncScale": { "alias": "ncScale"; "required": false; "isSignal": true; }; "ncHueShift": { "alias": "ncHueShift"; "required": false; "isSignal": true; }; "ncColorFrequency": { "alias": "ncColorFrequency"; "required": false; "isSignal": true; }; "ncHoverStrength": { "alias": "ncHoverStrength"; "required": false; "isSignal": true; }; "ncInertia": { "alias": "ncInertia"; "required": false; "isSignal": true; }; "ncBloom": { "alias": "ncBloom"; "required": false; "isSignal": true; }; "ncSuspendWhenOffscreen": { "alias": "ncSuspendWhenOffscreen"; "required": false; "isSignal": true; }; "ncTimeScale": { "alias": "ncTimeScale"; "required": false; "isSignal": true; }; "ncBgColor": { "alias": "ncBgColor"; "required": false; "isSignal": true; }; }, {}, never, ["*"], true, never>;
}

declare class NcPrismBackgroundModule {
    static ɵfac: _angular_core.ɵɵFactoryDeclaration<NcPrismBackgroundModule, never>;
    static ɵmod: _angular_core.ɵɵNgModuleDeclaration<NcPrismBackgroundModule, never, [typeof PrismBackgroundComponent, typeof i2.CommonModule], [typeof PrismBackgroundComponent]>;
    static ɵinj: _angular_core.ɵɵInjectorDeclaration<NcPrismBackgroundModule>;
}

export { NcPrismBackgroundModule, PrismBackgroundComponent };
export type { NcAnimationTypeType, NcOffset };