what the BUG in updateAliens()??

basestruct.h

@@ -2,7 +2,6 @@
 #define BASESTRUCT_H
 
 #include <QVector>
-//#include <deque>
 #include <QPoint>
 #include <QString>
 #include <QPixmap>
@@ -10,9 +9,11 @@
 #include <QRect>
 #include <QDebug>
 
-//using std::vector;
-//using std::deque;
+#include <cmath>
+#include <deque>
 
+using std::atan;
+using std::deque;
 
 struct FPVector
 {
@@ -58,7 +59,7 @@ struct Alien
         float PicFrame;
         //float PicI;
         //float Regeneration;
-        QVector<QPointF> path;//path() As Point
+        deque<QPointF> path;//path() As Point
 		QPoint DestPnt;
 //		Effect Effects;
 };