Improved sound while walking on left/right only.

This reverts commit 58ab5aa854.

__init__.py

@@ -173,42 +173,48 @@ def cut_scene(sounds, soundName):
             pygame.mixer.stop()
         pygame.event.pump()
 
-def obj_play(sounds, sound_name, player_pos, obj_pos):
-    distance = player_pos - obj_pos
-    if abs(distance) > 9:
-        # The item is out of range, so play it at 0
-        left = 0
-        right = 0
+
+def calculate_volume_and_pan(player_pos, obj_pos):
+    distance = abs(player_pos - obj_pos)
+    max_distance = 12  # Maximum audible distance
+    if distance > max_distance:
+        return 0, 0, 0  # No sound if out of range
+    # Calculate volume (non-linear scaling for more noticeable changes)
+    volume = ((max_distance - distance) / max_distance) ** 1.5
+    # Determine left/right based on relative position
+    if player_pos < obj_pos:
+        # Object is to the right
+        left = max(0, 1 - (obj_pos - player_pos) / max_distance)
+        right = 1
+    elif player_pos > obj_pos:
+        # Object is to the left
+        left = 1
+        right = max(0, 1 - (player_pos - obj_pos) / max_distance)
     else:
-        # Calculate the panning based on the distance
-        left = max(0, 1 - (distance / 9))
-        right = max(0, 1 + (distance / 9))
-        left = min(1, left)
-        right = min(1, right)
+        # Player is on the object
+        left = right = 1
+    return volume, left, right
+
+def obj_play(sounds, soundName, player_pos, obj_pos):
+    volume, left, right = calculate_volume_and_pan(player_pos, obj_pos)
+    if volume == 0:
+        return None  # Don't play if out of range
     # Play the sound on a new channel
-    channel = sounds[sound_name].play(-1)
-    # Apply the position information to the channel
-    channel.set_volume(left, right)
-    # Return the channel so that it can be used in the update and stop functions.
-    return channel
-
-def obj_update(channel, player_pos, obj_pos):
-    distance = player_pos - obj_pos
-    if abs(distance) > 9:
-        left = 0
-        right = 0
-    else:
-        # Calculate the panning based on the distance
-        left = max(0, 1 - (distance / 9))
-        right = max(0, 1 + (distance / 9))
-        left = min(1, left)
-        right = min(1, right)
-    # Apply the position information to the channel
-    channel.set_volume(left, right)
-    # Return the channel
-    return channel
-
-soundData    
+    x = sounds[soundName].play(-1)
+    # Apply the volume and pan
+    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
     try: