// Starfield.h - Procedural starfield background effect
#pragma once
#include <vector>
struct SDL_Renderer; // fwd

class Starfield {
public:
    void init(int count, int w, int h);
    void update(float dt, int w, int h);
    void draw(SDL_Renderer* r) const;
private:
    struct Star { float x,y,z,speed; };
    std::vector<Star> stars;
    int lastW{0}, lastH{0};
};