import type { Vector3 } from '@holoscript/core';
/**
 * CloudRenderer.ts
 *
 * Noise-based cloud rendering: layered cloud generation,
 * wind drift, density thresholds, lighting, and coverage control.
 *
 * @module rendering
 */
export interface CloudConfig {
    coverage: number;
    density: number;
    altitude: number;
    thickness: number;
    windSpeed: {
        x: number;
        z: number;
    };
    lightColor: [number, number, number];
    ambientColor: [number, number, number];
    lightDirection: Vector3;
    noiseScale: number;
    detailScale: number;
    layers: number;
}
export interface CloudSample {
    position: [number, number, number] & {
        x: number;
        y: number;
        z: number;
    };
    density: number;
    lighting: number;
}
export declare class CloudRenderer {
    private config;
    private time;
    constructor(config?: Partial<CloudConfig>);
    setConfig(config: Partial<CloudConfig>): void;
    getConfig(): CloudConfig;
    update(dt: number): void;
    sampleDensity(x: number, y: number, z: number): number;
    sampleLighting(x: number, y: number, z: number, steps?: number): CloudSample;
    private pseudoNoise;
    getCoverageMap(gridSize: number, cellSize: number, worldOffsetX?: number, worldOffsetZ?: number): Float32Array;
}
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