StartTrackedSound

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Revision as of 13:32, 18 January 2010

audio.startTrackedSound(soundFilename [, gain [, modulation [, x, y, z, [speedX, speedY, speedZ]]]])

Plays an audio file with a position in space, but also returns an id for updating purposes. The volume and panning is then calculated based on the setSoundListenerPosition.

Parameter Expected Type Description
soundFilename A string The name of the audio file, relative to the source folder. The name is case sensitive on Mac OS X.
gain A number The power at which the sound is emitted.
modulation A number How pitch shifted the sound should be. Original pitch is 1.
x A number Position in space, in meters.
y A number Position in space, in meters.
z A number Position in space, in meters.
speedX A number The speed of the sound in space, for creation of doppler effects, in meters/second.
speedY A number The speed of the sound in space, for creation of doppler effects, in meters/second.
speedZ A number The speed of the sound in space, for creation of doppler effects, in meters/second.
Returns

Returns one value, soundId, or nil in case the soundFilename doesn't exist.

Daisymoon Audio Lib

Example

   local mySound = audio.startTrackedSound("fireball.wav")
   local fireBall = { x = 100 , y = 0 }
   audio.updateTrackedSound(mySound, 1 ,1 , fireBall.x, fireBall.y, 0)
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