removing magic numbers

include/element.hpp

@@ -4,7 +4,6 @@
 #include "globals.hpp"
 
 enum Direction {
-	NONE = 0,
 	UP = -2,
 	DOWN = 2,
 	LEFT = -1,
@@ -12,8 +11,7 @@ enum Direction {
 };
 
 struct Point {
-	int m_row;
-	int m_col;
+	int m_row, m_col;
 	char m_symbol;
 	enum Direction m_dir;
 	Point() : m_row(0), m_col(0), m_symbol('@') {}

include/globals.hpp

@@ -2,4 +2,8 @@
 #define GLOBALS_HPP
 #define ROW 11
 #define COL 11
+#define MAX_LEN (ROW * COL) + 3
+#define HEAD 0
+#define PREVIOUS_HEAD 1
+#define FRUIT 2
 #endif // GLOBALS_HPP