type Vec3 = [number, number, number];
/**
 * CameraPath.ts
 *
 * Spline-based camera paths: Catmull-Rom interpolation,
 * speed control, look-at targets, and looping.
 *
 * @module camera
 */
export interface PathPoint {
    position: Vec3;
    lookAt?: Vec3;
    speedMultiplier?: number;
}
export declare class CameraPath {
    private points;
    private progress;
    private speed;
    private loop;
    private playing;
    setPoints(points: PathPoint[]): void;
    addPoint(point: PathPoint): void;
    clearPoints(): void;
    setSpeed(speed: number): void;
    setLoop(loop: boolean): void;
    play(): void;
    pause(): void;
    resume(): void;
    stop(): void;
    update(dt: number): {
        position: Vec3;
        lookAt: Vec3 | null;
    } | null;
    evaluate(t: number): {
        position: Vec3;
        lookAt: Vec3 | null;
    };
    private catmullRom;
    getProgress(): number;
    isPlaying(): boolean;
    getPointCount(): number;
}
export {};
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