snek

#include <SFML/Graphics.hpp>
#include <iostream>
#include <random>
#include <vector>

#define WIDTH 800
#define HEIGHT 600

sf::RenderWindow window(sf::VideoMode(WIDTH, HEIGHT), "Snake");

void SetRandPos(sf::RectangleShape &shape)
{
    int x = rand()%WIDTH;
    int y = rand()%HEIGHT;
    shape.setPosition({x, y});
}

class Snake
{
public:
    sf::RectangleShape head;
    std::vector<sf::RectangleShape> tail;

    int eatenCoins = 0;

    float speed;

    sf::Vector2f defaultSize;
    sf::Vector2f dir = {0, -1}; // default in sus

/*
 0, -1 -> sus
 0,  1 -> jos
 1,  0 -> dreapta
-1,  0 -> stanga
*/

    void ChangeDir()
    {
        if(sf::Keyboard::isKeyPressed(sf::Keyboard::Up))    dir = {0, -1};
        if(sf::Keyboard::isKeyPressed(sf::Keyboard::Down))  dir = {0, 1};
        if(sf::Keyboard::isKeyPressed(sf::Keyboard::Left))  dir = {-1, 0};
        if(sf::Keyboard::isKeyPressed(sf::Keyboard::Right)) dir = {1, 0};
    }

    void Move()
    {
        head.move(dir * speed);
        for(int i = 0; i<tail.size(); ++i){

        }
    }

    void AddNewTailPart()
    {

    }

    void CheckForCoin(sf::RectangleShape &coin)
    {
        if(head.getGlobalBounds().contains(coin.getPosition())){
            ++eatenCoins;
            std::cout << eatenCoins << '\n';
            SetRandPos(coin);
            AddNewTailPart();
        }
    }

    void Draw()
    {
        window.draw(head);
        for(auto &i:tail) window.draw(i);
    }

    Snake(sf::Vector2f StartPos, sf::Vector2f Size, float Speed)
    {
        defaultSize = Size;
        speed = Speed;

        head.setSize(Size);
        head.setFillColor(sf::Color(255, 255, 255));
        head.setPosition(StartPos);
        head.setOrigin(Size.x/2, Size.y/2);
    }
};

int main()
{
    srand((time(0)));
    window.setFramerateLimit(60);

    Snake snake({WIDTH/2, HEIGHT/2}, {20, 20}, 4);

    sf::RectangleShape coin;
    coin.setFillColor(sf::Color::Yellow);
    coin.setSize({20, 20});
    coin.setOrigin(20/2, 20/2);
    SetRandPos(coin);

    while(window.isOpen())
    {
        sf::Event e;
        while(window.pollEvent(e)){
            if(e.type == sf::Event::Closed) window.close();
        }

        snake.Move();
        snake.ChangeDir();
        snake.CheckForCoin(coin);

        window.clear(sf::Color(0, 0, 0));
        window.draw(coin);
        snake.Draw();
        window.display();
    }
}