snake.hpp

#if !defined SNAKE_HPP
#define SNAKE_HPP

#include <prg_interactive.hpp>


enum class Direction {
    North = 1, East, South, West
};

struct Position final {
    int x{0}, y{0};
    Position(int ix, int iy) : x{ix}, y{iy} {}
};

class Snake {
public:
    virtual ~Snake() {}
    virtual void move();
    void render(prg::Canvas& canvas) const;
    void changeDirection(Direction new_direction);
    const Position& getPosition() const {return position_;}
    void setPosition(const Position& position){ position_ = position;}

 private:
    Direction direction_ {Direction::North};
    Position position_ {0,0};
};


    class PlayerSnake : public Snake,
                        public prg::IKeyEvent {
    public:
        PlayerSnake();
        virtual ~PlayerSnake();
        bool onKey(const prg::IKeyEvent::KeyEvent& key_event) override;
};


#endif // SNAKE_HPP