import { Texture2D } from './resources.js';
export declare enum BlendMode {
    OPAQUE = 0,
    ALPHA = 1,
    ADDITIVE = 2
}
export interface MaterialOptions {
    readonly textures: (WebGLTexture | Texture2D)[];
    readonly fps?: number;
    readonly blendMode?: BlendMode;
    readonly twoSided?: boolean;
    readonly depthWrite?: boolean;
    readonly scroll?: readonly [number, number];
    readonly warp?: boolean;
}
export declare class Material {
    readonly blendMode: BlendMode;
    readonly twoSided: boolean;
    readonly depthWrite: boolean;
    readonly warp: boolean;
    readonly scroll: readonly [number, number];
    private readonly textures;
    private readonly fps;
    private currentIndex;
    private lastAnimationTime;
    private lastTime;
    constructor(options: MaterialOptions);
    update(time: number): void;
    get texture(): WebGLTexture | Texture2D | null;
    get scrollOffset(): readonly [number, number];
}
export declare class MaterialManager {
    private readonly materials;
    getMaterial(name: string): Material | undefined;
    registerMaterial(name: string, options: MaterialOptions): Material;
    update(time: number): void;
    clear(): void;
}
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