diff --git a/vpet.py b/vpet.py
index 398748d..c691418 100644
--- a/vpet.py
+++ b/vpet.py
@@ -137,6 +137,9 @@ class VPet:
     self.frames = Frames()
     self.activity = Activity()
 
+    self.animation_start = 0
+    self.animation_end = 0
+
   def action_loop(self):
     if self.activity.is_interacting_with_user:
       self.is_busy = True
diff --git a/window_qt.py b/window_qt.py
index 2317252..4cc1661 100755
--- a/window_qt.py
+++ b/window_qt.py
@@ -11,61 +11,63 @@ from vpet import VPet
 
 
 def get_primary_monitor():
-    m = next((monitor for monitor in get_monitors() if monitor.is_primary), None)
-    print(m.height)
-    print(m.width)
-    print(int(m.width/2))
-    return m
+  return next((monitor for monitor in get_monitors() if monitor.is_primary), None)
 
 
 class MainWindow(QMainWindow):
-    def __init__(self):
-        super().__init__()
-        self.FPS = 60
-        self.primary_monitor = get_primary_monitor()
-        # self.setWindowFlags(Qt.FramelessWindowHint | Qt.WindowStaysOnTopHint)
-        self.setWindowFlags(Qt.WindowStaysOnTopHint)
-        # self.setAttribute(Qt.WA_TranslucentBackground)
-        self.click_event_time = 0
-        self.v_pet = VPet(self.move, self.pos, self.draw, self.primary_monitor, x=int(self.primary_monitor.width/2), y=self.primary_monitor.height)
-        self.loop_timer = QTimer(self)
-        self.loop_timer.setSingleShot(False)
-        self.loop_timer.setInterval(self.FPS)
-        self.loop_timer.timeout.connect(self.loop)
-        self.loop_timer.start()
+  def __init__(self):
+    super().__init__()
+    self.interval = 60
+    self.primary_monitor = get_primary_monitor()
+    # self.setWindowFlags(Qt.FramelessWindowHint | Qt.WindowStaysOnTopHint)
+    self.setWindowFlags(Qt.WindowStaysOnTopHint)
+    # self.setAttribute(Qt.WA_TranslucentBackground)
+    self.click_event_time = 0
+    self.v_pet = VPet(self.move,
+                      self.pos,
+                      self.draw,
+                      self.primary_monitor,
+                      x=int(self.primary_monitor.width / 2),
+                      y=self.primary_monitor.height)
 
-    def mousePressEvent(self, event):
-        self.click_event_time = time.time()
-        self.v_pet.activity.set_interacting_with_user()
-        if event.button() == Qt.LeftButton:
-            self.drag_position = event.globalPos()
+    self.loop_timer = QTimer(self)
+    self.loop_timer.setSingleShot(False)
+    self.loop_timer.setInterval(self.interval)
+    self.loop_timer.timeout.connect(self.loop)
+    self.loop_timer.start()
 
-    def mouseReleaseEvent(self, event):
-        time_delta = time.time() - self.click_event_time
-        if time_delta <= 0.2:
-            if event.button() == Qt.LeftButton:
-                print('Click left')
-            if event.button() == Qt.RightButton:
-                print('Click right')
-        else:
-            if event.button() == Qt.RightButton:
-                print('Click long right')
+  def mousePressEvent(self, event):
+    self.click_event_time = time.time()
+    self.v_pet.activity.set_interacting_with_user()
+    if event.button() == Qt.LeftButton:
+      self.drag_position = event.globalPos()
 
-        self.click_event_time = 0
-        self.v_pet.activity.is_interacting_with_user = False
+  def mouseReleaseEvent(self, event):
+    time_delta = time.time() - self.click_event_time
+    if time_delta <= 0.2:
+      if event.button() == Qt.LeftButton:
+        print('Click left')
+      if event.button() == Qt.RightButton:
+        print('Click right')
+    else:
+      if event.button() == Qt.RightButton:
+        print('Click long right')
 
-    def mouseMoveEvent(self, event):
-        if event.buttons() == Qt.LeftButton:
-            delta = event.globalPos() - self.drag_position
-            self.move(self.pos() + delta)
-            self.drag_position = event.globalPos()
-            self.click_event_time = 0
+    self.click_event_time = 0
+    self.v_pet.activity.is_interacting_with_user = False
 
-    def draw(self, img):
-        img = img.rotate(Rotate.up)
-        self.resize(img.width, img.height)
-        self.setCentralWidget(TransparentGLWidget(img))
+  def mouseMoveEvent(self, event):
+    if event.buttons() == Qt.LeftButton:
+      delta = event.globalPos() - self.drag_position
+      self.move(self.pos() + delta)
+      self.drag_position = event.globalPos()
+      self.click_event_time = 0
 
-    def loop(self):
-        self.v_pet.action_loop()
-        self.show()
+  def draw(self, img):
+    img = img.rotate(Rotate.up)
+    self.resize(img.width, img.height)
+    self.setCentralWidget(TransparentGLWidget(img))
+
+  def loop(self):
+    self.v_pet.action_loop()
+    self.show()