import { Vector3 } from './Vector3'; export class SphericalHarmonics3 { constructor(); coefficients: Vector3[]; readonly isSphericalHarmonics3: true; set ( coefficients: Vector3[] ): SphericalHarmonics3; zero(): SphericalHarmonics3; add( sh: SphericalHarmonics3 ): SphericalHarmonics3; addScaledSH( sh: SphericalHarmonics3, s: number ): SphericalHarmonics3; scale( s: number ): SphericalHarmonics3; lerp( sh: SphericalHarmonics3, alpha: number ): SphericalHarmonics3; equals( sh: SphericalHarmonics3 ): boolean; copy( sh: SphericalHarmonics3 ): SphericalHarmonics3; clone(): SphericalHarmonics3; /** * Sets the values of this spherical harmonics from the provided array. * @param array the source array. * @param offset (optional) offset into the array. Default is 0. */ fromArray( array: number[], offset?: number ): this; /** * Sets the values of this spherical harmonics from the provided array-like. * @param array the source array-like. * @param offset (optional) offset into the array-like. Default is 0. */ fromArray( array: ArrayLike, offset?: number ): this; /** * Returns an array with the values of this spherical harmonics, or copies them into the provided array. * @param array (optional) array to store the spherical harmonics to. If this is not provided, a new array will be created. * @param offset (optional) optional offset into the array. * @return The created or provided array. */ toArray( array?: number[], offset?: number ): number[]; /** * Returns an array with the values of this spherical harmonics, or copies them into the provided array-like. * @param array array-like to store the spherical harmonics to. * @param offset (optional) optional offset into the array-like. * @return The provided array-like. */ toArray( array: ArrayLike, offset?: number ): ArrayLike; getAt( normal: Vector3, target: Vector3 ) : Vector3; getIrradianceAt( normal: Vector3, target: Vector3 ) : Vector3; static getBasisAt( normal: Vector3, shBasis: number[] ): void; }