sounds themselves may not have direction, but most emitters do. Cup your hands around your mouth and yell Another more game related example: the jet from a rocket- it is loudest directly behind the rocket, quite load on either side of the rocket, and softest in front.
I found myself having to use 2d sounds with distance triggered fades to simulate a river in acmipark. It could have been a lot better with sound cones.
I was really hoping for this in fmod 4. Guess I’d better do the OpenAL re-write that’s tempted me plenty before…
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