changes from m_row & m_col to x & y

include/element.hpp

@@ -11,12 +11,12 @@ enum Direction {
 };
 
 struct Point {
-	int m_row, m_col;
+	int x, y;
 	char m_symbol;
 	enum Direction m_dir;
-	Point() : m_row(0), m_col(0), m_symbol('@') {}
-	Point(int x, int y, char s) : m_row(x), m_col(y), m_symbol(s) {}
-	void set_new_point(int row, int col);
+	Point() : x(0), y(0), m_symbol('@') {}
+	Point(int x, int y, char s) : x(x), y(y), m_symbol(s) {}
+	void set_new_point(int x, int y);
 };
 
 int get_score();