So I have a 2D game and I am trying to get some positional audio going just
for some sound effects. One of the things I am trying to achieve is to have
environmental sound effects, so for instance if you are near a water
stream, you can hear water and it gets quieter as you move away. All I want
is a simple x, y position and a radius or distance from the position where
you can hear the audio and as you move closer to the player, it gets
louder.
So I've tried messing with the min_distance and max_distance but those
don't seem to do much of anything. I tried looking at the documentation but
it had zero information on this. I looked into OpenAL and someone said the
minimum distance is where it's the loudest, and the max distance is where
it's the quietest. I've tried setting the max_distance but I can still hear
the sound no matter how far I moved the listener from the player, even if I
set it to something small like 10. Even so, the audio is very strange, I
can be practically right next to the source and it's somewhat quiet, then
I'll move my listener a few pixels closer and then it's blaring.
I also don't know the frame of reference for distance. What is Position
(0,0) to (0,1)? My coordinate system is just based on pixels, which I don't
think this is, how do I convert this properly?
class EnvironmentSound(pyglet.media.Player):
""" Player will only play a specific sound in a loop. """
def __init__(self, filename, x, y, volume, minDistance, maxDistance,
gain):
pyglet.media.Player.__init__(self)
self.setPosition(x, y, 0)
self.eos_action = pyglet.media.Player.EOS_LOOP # Loops the sound
staticSource =
StaticSource(pyglet.media.load(os.path.join(SOUND_FOLDER, filename)))
self.min_distance = 1 # In pixels from position
self.max_distance = 10 # In pixels from position
self.playSound(staticSource)
def setPosition(self, x, y, z=0):
self.position = (x, y, z)
def playSound(self, source):
self.queue(source)
self.play()
def stopSound(self):
self.eos_action = pyglet.media.Player.EOS_STOP
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