Changeset 242

Timestamp:

01/05/07 03:18:50 (5 years ago)

Author:

mg

Message:

Thruster sound effect.

Location:

trunk/src/pyspacewar

Files:

• sounds/Pink_Noise1.au (added)
• sounds/Pink_Noise1.wav (added)
• sounds/README.txt (modified) (1 diff)
• ui.py (modified) (3 diffs)

trunk/src/pyspacewar/sounds/README.txt

@@ -2 +2 @@
 http://www.partnersinrhyme.com/pir/PIRsfx.shtml
 
-Grenade2.wav was produced from Grenade2.pcm with
-mplayer Grenade2.au -ao pcm:file=Grenade2.wav
+Grenade2.wav and Pink_Noise1.wav were produced from the corresponding .au files
+with
+
+  mplayer Grenade2.au -ao pcm:file=Grenade2.wav
+  mplayer Pink_Noise1.au -ao pcm:file=Pink_Noise1.wav

trunk/src/pyspacewar/ui.py

@@ -1971 +1971 @@
     def _load_sounds(self):
         """Load bitmaps of planets."""
+        self.thruster_sound_playing = False
+        self.thruster_sound = pygame.mixer.Sound(find('sounds',
+                                                      'Pink_Noise1.wav'))
+        self.thruster_sound.set_volume(0.5)
         self.fire_sound = pygame.mixer.Sound(find('sounds',
                                                   'Gun_Silencer.wav'))
@@ -2118 +2122 @@
         pressed = pygame.key.get_pressed()
         self.ui_mode.handle_held_keys(pressed)
+        self.update_continuous_sounds()
 
     def quit(self):
@@ -2290 +2295 @@
         if not self.ai_controlled[player_id]:
             self.respawn_sound.play()
+
+    def update_continuous_sounds(self):
+        """Loop certain sound effects while certain conditions hold true."""
+        makes_noise = False
+        for player_id, ship in enumerate(self.ships):
+            if not self.ai_controlled[player_id]:
+                makes_noise = (ship.forward_thrust or ship.rear_thrust or
+                               ship.left_thrust or ship.right_thrust or
+                               ship.engage_brakes) or makes_noise
+        if self.thruster_sound_playing and not makes_noise:
+            self.thruster_sound.stop()
+        elif not self.thruster_sound_playing and makes_noise:
+            self.thruster_sound.play(-1)
+        self.thruster_sound_playing = makes_noise
 
     def draw(self):