import type { Vector3 } from '@holoscript/core';
/**
 * ProjectorLight.ts
 *
 * Cookie projection: frustum-shaped light that projects
 * a texture pattern onto surfaces. Supports intensity,
 * falloff, and color.
 *
 * @module rendering
 */
export interface ProjectorConfig {
    id: string;
    position: Vector3;
    direction: Vector3;
    cookieTextureId: string;
    fov: number;
    aspectRatio: number;
    nearClip: number;
    farClip: number;
    intensity: number;
    color: {
        r: number;
        g: number;
        b: number;
    };
    falloff: 'none' | 'linear' | 'quadratic';
    enabled: boolean;
}
export declare class ProjectorLight {
    private projectors;
    create(config: Omit<ProjectorConfig, 'id'> & {
        id?: string;
    }): ProjectorConfig;
    remove(id: string): boolean;
    get(id: string): ProjectorConfig | undefined;
    getCount(): number;
    setPosition(id: string, x: number, y: number, z: number): void;
    setDirection(id: string, x: number, y: number, z: number): void;
    setIntensity(id: string, intensity: number): void;
    setColor(id: string, r: number, g: number, b: number): void;
    setEnabled(id: string, enabled: boolean): void;
    getFrustumPlanes(id: string): {
        near: number;
        far: number;
        fov: number;
        aspect: number;
    } | null;
    isPointInFrustum(id: string, point: Vector3): boolean;
    computeAttenuation(id: string, distance: number): number;
    getActive(): ProjectorConfig[];
}
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