import { Vector3 } from "../math/Vector3.js";
import { Texture } from "../textures/Texture.js";
import { Material, MaterialParameters } from "./Material.js";

export interface MeshDistanceMaterialParameters extends MaterialParameters {
    map?: Texture | null | undefined;
    alphaMap?: Texture | null | undefined;
    displacementMap?: Texture | null | undefined;
    displacementScale?: number | undefined;
    displacementBias?: number | undefined;
    farDistance?: number | undefined;
    nearDistance?: number | undefined;
    referencePosition?: Vector3 | undefined;
}

export class MeshDistanceMaterial extends Material {
    constructor(parameters?: MeshDistanceMaterialParameters);

    /**
     * Read-only flag to check if a given object is of type {@link MeshDistanceMaterial}.
     * @remarks This is a _constant_ value
     * @defaultValue `true`
     */
    readonly isMeshDistanceMaterial: true;

    /**
     * @default null
     */
    map: Texture | null;

    /**
     * @default null
     */
    alphaMap: Texture | null;

    /**
     * @default null
     */
    displacementMap: Texture | null;

    /**
     * @default 1
     */
    displacementScale: number;

    /**
     * @default 0
     */
    displacementBias: number;

    /**
     * @default false
     */
    fog: boolean;

    setValues(parameters: MeshDistanceMaterialParameters): void;
}