/**
 * FrogJS - A simple framework for making games with symbols/emojis on a grid
 */
export type ThemeName = 'classic' | 'midnight' | 'forest' | 'ocean' | 'sunset' | 'neon' | 'retro' | 'mono' | 'cyberpunk' | 'pastel';
export interface ITheme {
    background: string;
    gridlines: string;
}
export declare class Sprite {
    symbol: string;
    private _x;
    private _y;
    alpha: number;
    z: number;
    angle: number;
    fixed: boolean;
    color: string;
    constructor(config: Partial<Sprite>);
    get x(): number;
    set x(value: number);
    get y(): number;
    set y(value: number);
}
export interface IGameConfig {
    container?: HTMLElement;
    gridWidth?: number;
    gridHeight?: number;
    theme?: ThemeName;
    name?: string;
    showGamepadOnDesktop?: boolean;
    showGamepadOnMobile?: boolean;
}
export interface ITimer {
    id: number;
    times: number;
}
export declare class Game {
    private cellSize;
    private gridWidth;
    private gridHeight;
    private theme;
    private themeName;
    private canvas;
    private ctx;
    private sprites;
    private keysPressed;
    private keyDownCallbacks;
    private keyUpCallbacks;
    private animationFrameId;
    private audioContext;
    private fadeAnimations;
    private rotationAnimations;
    private timeouts;
    private timers;
    private nextTimerId;
    private _scrollX;
    private _scrollY;
    get scrollX(): number;
    set scrollX(value: number);
    get scrollY(): number;
    set scrollY(value: number);
    onUpdate: (() => void) | null;
    onPointerDown: ((x: number, y: number) => void) | null;
    onPointerUp: ((x: number, y: number) => void) | null;
    private deviceContainer;
    private gameName;
    private uiColors;
    private showGamepad;
    private labelRect;
    private gameRect;
    private gamepadRect;
    private dpadRect;
    private actionRect;
    private dpadCells;
    private gridOffset;
    private activePointerKeys;
    constructor(config?: IGameConfig);
    private isMobileDevice;
    private createDeviceUI;
    private updateDeviceLayout;
    private setupMobileFullscreen;
    private setupGlobalErrorHandler;
    private showErrorOverlay;
    private applyFullscreenStyles;
    private setupInputHandlers;
    private pressKey;
    private releaseKey;
    private getDpadKeyAtPoint;
    addSprite(sprite: Sprite): Sprite;
    isLeftKeyDown(): boolean;
    isRightKeyDown(): boolean;
    isUpKeyDown(): boolean;
    isDownKeyDown(): boolean;
    isSpaceKeyDown(): boolean;
    onLeftKeyDown(cb: () => void, once?: boolean): void;
    offLeftKeyDown(cb: () => void): void;
    onLeftKeyUp(cb: () => void, once?: boolean): void;
    offLeftKeyUp(cb: () => void): void;
    onRightKeyDown(cb: () => void, once?: boolean): void;
    offRightKeyDown(cb: () => void): void;
    onRightKeyUp(cb: () => void, once?: boolean): void;
    offRightKeyUp(cb: () => void): void;
    onUpKeyDown(cb: () => void, once?: boolean): void;
    offUpKeyDown(cb: () => void): void;
    onUpKeyUp(cb: () => void, once?: boolean): void;
    offUpKeyUp(cb: () => void): void;
    onDownKeyDown(cb: () => void, once?: boolean): void;
    offDownKeyDown(cb: () => void): void;
    onDownKeyUp(cb: () => void, once?: boolean): void;
    offDownKeyUp(cb: () => void): void;
    onSpaceKeyDown(cb: () => void, once?: boolean): void;
    offSpaceKeyDown(cb: () => void): void;
    onSpaceKeyUp(cb: () => void, once?: boolean): void;
    offSpaceKeyUp(cb: () => void): void;
    private addKeyCallback;
    private removeKeyCallback;
    getSprite(x: number, y: number): Sprite | null;
    getAllSprites(x: number, y: number): Sprite[];
    removeSprite(sprite: Sprite): void;
    clearSprites(): void;
    fadeSprite(sprite: Sprite, startAlpha: number, endAlpha: number, duration?: number, callback?: () => void): void;
    rotateSprite(sprite: Sprite, startAngle: number, endAngle: number, duration?: number, callback?: () => void): void;
    timeout(delay: number, callback: () => void): void;
    timer(delay: number, callback: () => void, times?: number): ITimer;
    stopTimer(timer: ITimer): void;
    private start;
    private updateAnimations;
    private updateRotationAnimations;
    private updateTimeouts;
    private updateTimers;
    private render;
    private drawGrid;
    private drawSprites;
    private drawGamepad;
    reset(): void;
    sound(frequency: number, duration: number): void;
}
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