Fixed some typing errors. (#1419)

Author: JackAshwell11

arcade/application.py

@@ -258,7 +258,7 @@ def background_color(self) -> Color:
     def background_color(self, value: Color):
         self._background_color = value
 
-    def run(self):
+    def run(self) -> None:
         """
         Run the main loop.
         After the window has been set up, and the event hooks are in place, this is usually one of the last
@@ -295,7 +295,7 @@ def set_fullscreen(self,
         """
         super().set_fullscreen(fullscreen, screen, mode, width, height)
 
-    def center_window(self):
+    def center_window(self) -> None:
         """
         Center the window on the screen.
         """

arcade/camera.py

@@ -226,7 +226,7 @@ def update(self):
                 self.moving = False
             self._set_view_matrix()  # this will alse set the combined matrix
 
-    def use(self):
+    def use(self) -> None:
         """
         Select this camera for use. Do this right before you draw.
         """

arcade/gl/context.py

@@ -1017,7 +1017,7 @@ def program(
             varyings_capture_mode=varyings_capture_mode,
         )
 
-    def query(self, *, samples=True, time=True, primitives=True):
+    def query(self, *, samples=True, time=True, primitives=True) -> Query:
         """
         Create a query object for measuring rendering calls in opengl.
 

arcade/gui/ui_manager.py

@@ -192,7 +192,7 @@ def _do_render(self, force=False):
 
         self._rendered = True
 
-    def enable(self):
+    def enable(self) -> None:
         """
         Registers handler functions (`on_...`) to :py:attr:`arcade.gui.UIElement`
 
@@ -216,7 +216,7 @@ def enable(self):
                 self.on_text_motion_select,
             )
 
-    def disable(self):
+    def disable(self) -> None:
         """
         Remove handler functions (`on_...`) from :py:attr:`arcade.Window`
 
@@ -243,7 +243,7 @@ def disable(self):
     def on_update(self, time_delta):
         return self.dispatch_ui_event(UIOnUpdateEvent(self, time_delta))
 
-    def draw(self):
+    def draw(self) -> None:
         # Request Widgets to prepare for next frame
         self._do_layout()
 

arcade/gui/widgets/__init__.py

@@ -344,7 +344,7 @@ def _walk_parents(self) -> Iterable[Union["UIWidget", "UIManager"]]:
         if parent:
             yield parent  # type: ignore
 
-    def trigger_full_render(self):
+    def trigger_full_render(self) -> None:
         """In case a widget uses transparent areas or was moved,
         it might be important to request a full rendering of parents"""
         self.trigger_render()

arcade/paths_python.py

@@ -9,7 +9,7 @@ def has_line_of_sight(point_1: Point,
                       point_2: Point,
                       walls: SpriteList,
                       max_distance: int = -1,
-                      check_resolution: int = 2):
+                      check_resolution: int = 2) -> bool:
     """
     Determine if we have line of sight between two points. Try to make sure
     that spatial hashing is enabled on the wall SpriteList or this will be

arcade/window_commands.py

@@ -326,7 +326,7 @@ def timer_resolution(msecs=0):
                 pyglet.app.run(window._draw_rate)
 
 
-def exit():
+def exit() -> None:
     """
     Exits the application.
     """
@@ -368,7 +368,7 @@ def set_background_color(color: Color) -> None:
     get_window().background_color = color
 
 
-def schedule(function_pointer: Callable, interval: Number):
+def schedule(function_pointer: Callable, interval: float):
     """
     Schedule a function to be automatically called every ``interval``
     seconds. The function/callable needs to take a delta time argument
@@ -391,7 +391,7 @@ def some_action(delta_time):
         # Unschedule
 
     :param Callable function_pointer: Pointer to the function to be called.
-    :param Number interval: Interval to call the function (float or integer)
+    :param float interval: Interval to call the function (float or integer)
     """
     pyglet.clock.schedule_interval(function_pointer, interval)