Snake game - Object Oriented Design

snake.cpp

#include <iostream>
#include <list>
#include <unistd.h>

using namespace std;

enum Move {
  UP,
  RIGHT,
  DOWN,
  LEFT
};

class Point {
  int x;
  int y;
  
public:
  Point(int x, int y) {
    this->x = x;
    this->y = y;
  }
};

class Snake {
  list<Point> body;
  
public:
  // Constructor
  Snake() {
    body.push_front(Point(0,3));
    body.push_back(Point(0,0));
  }
  
  Point getHeadPoint() {
    return *body.begin();   
  }
};

class Board {

public:
  void refreshDisplay() {
    // print to screen 
  }
};

class Game {
private:
  Board board;
  Snake snake;
  Point food;
  bool gameOver;
  int score;
  
public:
  // Constructor
  Game() {
    gameOver = false;
    score = 0;
    raffleNewFoodPoint();
  }
  
  // Destructor
  virtual ~Game() {
    
  }
  
  // Getters/Setters
  
  // Other methods
  void raffleNewFoodPoint() {
    // get num of empty cells by subtract N*M - snake length;
    // and calc new point from that
  }
  
  Move getNextMove() {
    return (Move)(rand() % 3);
  }
  
  bool isLegalMove() {
    Point snakeHead = snake.getHeadPoint();  
  }
  
  bool isLegalMove() {
    return true; 
  }
  
  void play() {
    while (!gameOver) {
      // get user move
      Move next = getNextMove();
      
      // not crash in borders and in snake body/tail
      if (!isLegalMove(next)) {
        gameOver = true;
        break;
      }
      
      if (board.isEatingFood(next)) {
        score += 100; // mighted be double by the length of the snake - which is harder  
      
        raffleNewFood = true;
      }
      
      board.updateSnakeMove(next);
      
      if (raffleNewFood) {
        food = board.raffleNewFoold();
        
        raffleNewFood = false; 
      }
      
      // refresh board display
      board.refreshDisplay();
      
      sleep(1);
      
    }
    
    cout << "Game over :(\nYour Score: " << score << endl;
  }
  
};

int main() {
  Game game;
  
  return 0;
}