diff --git a/__init__.py b/__init__.py
index 0dd58c4..2f82a97 100755
--- a/__init__.py
+++ b/__init__.py
@@ -332,9 +332,20 @@ def obj_play(sounds, soundName, player_pos, obj_pos, loop=True):
     if x:
         x.set_volume(volume * left, volume * right)
     return x
+
+def obj_update(x, player_pos, obj_pos):
+    if x is None:
+        return None
+    volume, left, right = calculate_volume_and_pan(player_pos, obj_pos)
+    if volume == 0:
+        x.stop()
+        return None
+    # Apply the volume and pan
+    x.set_volume(volume * left, volume * right)
+    return x
     
 def obj_stop(x):
-    """Tries to stop a playing object channel"""
+    # Tries to stop a playing object channel
     try:
         x.stop()
         return None