diff --git a/NOTE.md b/NOTE.md
index 7810746..7979e79 100644
--- a/NOTE.md
+++ b/NOTE.md
@@ -7,7 +7,7 @@ A faire :
    - mode d'emploi (video + pdf) expliquant le fonctionnement
 
 2. Bonus :
-   - animations de fin, mettre la musique, ...
+   - animations de fin
    - sauvegarder les paramètres dans un fichier
 
 3. Bug : 
diff --git a/source/gui/widget/Scroller.py b/source/gui/widget/Scroller.py
index 487c6fb..dbd4681 100644
--- a/source/gui/widget/Scroller.py
+++ b/source/gui/widget/Scroller.py
@@ -4,7 +4,7 @@ from source.gui.better_pyglet import Sprite, Label
 from source.gui.texture.abc import Style
 from source.gui.widget.abc import BoxWidget
 from source.type import Distance
-from source.utils import dict_filter_prefix, in_bbox
+from source.utils import dict_filter_prefix
 
 if TYPE_CHECKING:
     from source.gui.scene.abc import Scene
@@ -128,5 +128,5 @@ class Scroller(BoxWidget):
         self._refresh()
 
     def on_mouse_drag(self, x, y, dx, dy, buttons, modifiers):
-        if in_bbox((x, y), self.bbox):
+        if self.in_bbox((x, y)):
             self._refresh_cursor(x - self.x)
diff --git a/source/gui/widget/abc/BoxWidget.py b/source/gui/widget/abc/BoxWidget.py
index 16649f7..343318b 100644
--- a/source/gui/widget/abc/BoxWidget.py
+++ b/source/gui/widget/abc/BoxWidget.py
@@ -2,7 +2,7 @@ from abc import ABC
 from typing import TYPE_CHECKING, Optional
 
 from source.gui.widget.abc import Widget
-from source.type import Distance
+from source.type import Distance, Point2D
 from source.utils import in_bbox
 
 if TYPE_CHECKING:
@@ -114,6 +114,11 @@ class BoxWidget(Widget, ABC):
     def center(self) -> tuple[float, float]:
         return self.center_x, self.center_y
 
+    # function
+
+    def in_bbox(self, point: Point2D) -> bool:
+        return in_bbox(point, self.bbox)
+
     # event
 
     def on_mouse_motion(self, x: int, y: int, dx: int, dy: int):
@@ -129,7 +134,7 @@ class BoxWidget(Widget, ABC):
         rel_x, rel_y = x - self.x, y - self.y
 
         old_hovering = self.hovering
-        self.hovering = in_bbox((x, y), self.bbox)
+        self.hovering = self.in_bbox((x, y))
 
         if old_hovering != self.hovering:  # if the hover changed
             # call the hover changed event
@@ -143,7 +148,7 @@ class BoxWidget(Widget, ABC):
     def on_mouse_press(self, x: int, y: int, button: int, modifiers: int):
         rel_x, rel_y = x - self.x, y - self.y
 
-        self.activated = in_bbox((x, y), self.bbox)
+        self.activated = self.in_bbox((x, y))
         self.trigger_event("on_activate_change", rel_x, rel_y, button, modifiers)
 
         if self.activated:  # if the click was inside the widget
@@ -162,7 +167,7 @@ class BoxWidget(Widget, ABC):
         old_click: bool = self.clicking
         self.clicking = False  # the widget is no longer clicked
 
-        if not in_bbox((x, y), self.bbox): return  # if the release was not in the collision, ignore
+        if not self.in_bbox((x, y)): return  # if the release was not in the collision, ignore
 
         if old_click:  # if this button was the one hovered when the click was pressed
             self.trigger_event("on_click_change", rel_x, rel_y, button, modifiers)