C++ Project: Game Engine Basics - Practice

#include <iostream>
#include <vector>
#include <string>
using namespace std;

class Entity {
protected:
    string name;
    int health;
public:
    Entity(string n, int h) : name(n), health(h) {}
    virtual void update() = 0;
    virtual void display() const {
        cout << name << " [HP: " << health << "]" << endl;
    }
    virtual ~Entity() {}
};

class Player : public Entity {
    int score;
public:
    Player(string n) : Entity(n, 100), score(0) {}
    void update() override { score += 10; }
    void display() const override {
        Entity::display();
        cout << "  Score: " << score << endl;
    }
};

int main() {
    Player p("Hero");
    p.update(); p.update();
    p.display();
    return 0;
}