import * as THREE from 'three';
import { type ECSContext } from './ecs';
export interface ViewportCameraPose {
    position: {
        x: number;
        y: number;
        z: number;
    };
    rotation: {
        x: number;
        y: number;
        z: number;
        w: number;
    };
    direction: {
        x: number;
        y: number;
        z: number;
    };
    lookAt: {
        x: number;
        y: number;
        z: number;
    };
    fov?: number;
}
export interface ViewportCameraSetOptions {
    position?: {
        x?: number;
        y?: number;
        z?: number;
    };
    lookAt?: {
        x?: number;
        y?: number;
        z?: number;
    };
    rotation?: {
        x?: number;
        y?: number;
        z?: number;
        w?: number;
    } | {
        x?: number;
        y?: number;
        z?: number;
    };
    fov?: number;
}
export interface FrameSelectionOptions {
    padding?: number;
    fov?: number;
}
export interface ViewportFrameResult {
    position: {
        x: number;
        y: number;
        z: number;
    };
    lookAt: {
        x: number;
        y: number;
        z: number;
    };
    fov?: number;
}
export declare function getViewportCameraPose(ctx: ECSContext): ViewportCameraPose;
export declare function applyViewportCameraPose(ctx: ECSContext, options: ViewportCameraSetOptions): ViewportCameraPose;
export declare function computeViewportFrameForBounds(ctx: ECSContext, box: THREE.Box3, options?: FrameSelectionOptions): ViewportFrameResult;
export declare function frameViewportBounds(ctx: ECSContext, box: THREE.Box3, options?: FrameSelectionOptions): ViewportCameraPose;
export declare function computeViewportFrameForEntity(ctx: ECSContext, eid: number, options?: FrameSelectionOptions): ViewportFrameResult;
export declare function frameViewportEntity(ctx: ECSContext, eid: number, options?: FrameSelectionOptions): ViewportCameraPose;
//# sourceMappingURL=viewportCamera.d.ts.map