export type WindVector = readonly [number, number];
export interface WindFieldConfig {
    direction?: WindVector;
    speed?: number;
    gust?: number;
    gustFrequency?: number;
    turbulence?: number;
    seed?: string | number;
}
export interface WindField {
    readonly direction: WindVector;
    readonly speed: number;
    at(time: number): WindVector;
    atPoint(x: number, z: number, time: number): WindVector;
    strengthAt(x: number, z: number, time: number): number;
}
export declare function windField(config?: WindFieldConfig): WindField;