fix: (tail) fixed where tail index 0 is on top of the head

src/input.cpp

@@ -8,30 +8,25 @@ void Input::get_input(int &d, bool &r) {
 		cbreak();
 		noecho();
 
-		m_current_key = getch();
+		m_getch = getch();
 		endwin();
-		switch (m_current_key) {
-			case 'D':
-			case 'a':
-				d = -1;
-				break;
-			case 'C':
-			case 'd':
-				d = 1;
-				break;
-			case 'B':
-			case 's':
-				d = 2;
-				break;
-			case 'A':
-			case 'w':
-				d = -2;
-				break;
-			case 'q':
-				r = false;
-				running = false;
-				break;
-
+		// TODO
+		// m_current_key should be the m_getch and then as long as the opposite doesnt equal m_current_key
+		if(m_getch == 'a' || m_getch == 'D') {
+			d = -1;
+			m_current_key = -1;
+		} else if(m_getch == 'd' || m_getch == 'C') {
+			d = 1;
+			m_current_key = 1; 
+		} else if(m_getch == 's' || m_getch == 'B') {
+			d = 2;
+			m_current_key = m_getch;
+		} else if(m_getch == 'w' || m_getch == 'A') {
+			d = -2;
+			m_current_key = m_getch;
+		} else if(m_getch == 'q') {
+			r = false;
+			running = false;
 		}
 	}
 }