import type { App } from '../App';
import { Matrix2D } from '../utils';
export declare class Camera {
    private app;
    x: number;
    y: number;
    zoom: number;
    rotation: number;
    private followTarget;
    private viewportWidth;
    private viewportHeight;
    constructor(app: App);
    setViewport(width: number, height: number): void;
    pan(dx: number, dy: number): this;
    setPosition(x: number, y: number): this;
    setZoom(zoom: number): this;
    setRotation(degrees: number): this;
    follow(target: {
        x: number;
        y: number;
    } | null): this;
    update(): void;
    /** Screen to world coordinates */
    screenToWorld(sx: number, sy: number): {
        x: number;
        y: number;
    };
    /** World to screen coordinates */
    worldToScreen(wx: number, wy: number): {
        x: number;
        y: number;
    };
    getMatrix(): Matrix2D;
}