added morphs, fix some bugs, new images

added onAlienInRadius trigger
but it not work right((

aliens.h

@@ -11,28 +11,29 @@ class Aliens : public QObject
 {
 Q_OBJECT
 public:
-	explicit Aliens(Map * map, QObject *parent = 0);
-	void addAlien(int srcId);
-	void update();
-	void setScene(QGraphicsScene * scene_) {scene = scene_;}
-	QList <srcAlienType> srcAliens;
-	QHash <int,AlienType> curAliens;
-	int missingAliens() {return m_missingAliens;}
+    explicit Aliens(Map * map, QObject *parent = 0);
+    void addAlien(int srcId);
+    void update();
+    void setScene(QGraphicsScene * scene_) {scene = scene_;}
+    QList <srcAlienType> srcAliens;
+    QHash <int,AlienType> curAliens;
+    int missingAliens() {return m_missingAliens;}
 
 signals:
+    void alien_killed(int id);
 
 public slots:
-	void delAlien(int id, bool missed = false);
-	void retrace(bool * OK);
+    void delAlien(int id, bool missed = false);
+    void retrace(bool * OK);
 
 private:
-	Map * map;
-	QGraphicsScene * scene;
+    Map * map;
+    QGraphicsScene * scene;
 
-	QPointF globStart;
-	QPointF globFinish;
-	int nextId;
-	int m_missingAliens;
+    QPointF globStart;
+    QPointF globFinish;
+    int nextId;
+    int m_missingAliens;
 
 };