feat: (snake.cpp snake.hpp) adding tail movement (broken)

include/snake.hpp

@@ -23,21 +23,25 @@
  * separate the snake and tail from each other
  * */
 
+
 struct Head {
 	Head(int default_direction, int row, int col);
 	Point m_head;
-	std::vector<Point> m_tails; 
-	// -1: Left, 1: Right, 2: Down, -2: Up
-	int m_direction;
-	// Adds a new tail to m_tails at { row, col }
-	void create_tail(int row, int col);
-	void get_new_head_point(int tail_index, int direction);
 	void get_new_point(int direction);
 };
 
 struct Tail {
+	Tail(int follow_direction, int row, int col);
 	Point m_tail_pos;
 	std::vector<Point> m_move_history;
+	void get_new_point(Point &d);
+};
+
+struct Body {
+	std::vector<Tail> m_body;
+	void clear(std::array<std::array<char, COL>, ROW> &arr);
+	void draw(std::array<std::array<char, COL>, ROW> &arr);
+	void move(Head &head);
 };
 
 #endif