Solve the position problem

The position was set to (70,76) for all floating pieces because it was
the value received.
nowk, if thes values are given (for the characters F & L as specified in
the specification in the rapport), the piece is set in a floating state
(position = null)

app/src/main/java/school_project/Parsers/BinaryParser.java

@@ -114,7 +114,8 @@ public class BinaryParser implements FileParser {
             ret[piece_index] = new Piece(_piece_matrix);
 
             if(saved_data){
-                Vec2 _piece_pos = new Vec2(pieces_positions[piece_index*2], pieces_positions[piece_index*2 + 1]);
+                Vec2 _piece_pos = (pieces_positions[piece_index*2] == 70 && pieces_positions[piece_index*2+1] == 76) ?
+                        null : new Vec2(pieces_positions[piece_index*2], pieces_positions[piece_index*2 + 1]);
                 ret[piece_index].setPosition(_piece_pos);
             }