kiss-lang/lime
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Pans the sound along a semi circle in front of the listener instead of moving just sideways. This makes it possible to pan a sound slightly to one side, as opposed to the earlier all-or-nothing behavior.

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This commit is contained in:
Martin Jonasson
2014-01-03 16:31:49 +01:00
parent 246b02311d
commit ad0f915c88
1 changed files with 5 additions and 3 deletions
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8
project/src/sound/openal/OpenALSound.cpp
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@@ -1,5 +1,6 @@
#include "OpenALSound.h"
#include <math.h>
namespace lime
{
@@ -45,7 +46,8 @@ namespace lime
// set some basic source prefs
alSourcef(mSourceID, AL_PITCH, 1.0f);
alSourcef(mSourceID, AL_GAIN, inTransform.volume);
alSource3f(mSourceID, AL_POSITION, inTransform.pan * 1, 0, 0);
alSource3f(mSourceID, AL_POSITION, (float) cos((inTransform.pan - 1) * (1.5707)), 0, (float) sin((inTransform.pan + 1) * (1.5707)));
// TODO: not right!
//if (inLoops>1)
//alSourcei(mSourceID, AL_LOOPING, AL_TRUE);
@@ -139,7 +141,7 @@ namespace lime
// set some basic source prefs
alSourcef(mSourceID, AL_PITCH, 1.0f);
alSourcef(mSourceID, AL_GAIN, inTransform.volume);
alSource3f(mSourceID, AL_POSITION, inTransform.pan * 1, 0, 0);
alSource3f(mSourceID, AL_POSITION, (float) cos((inTransform.pan - 1) * (1.5707)), 0, (float) sin((inTransform.pan + 1) * (1.5707)));
alSourcePlay(mSourceID);
}
@@ -1153,7 +1155,7 @@ namespace lime
if (!mSuspend)
{
alSourcef(source, AL_GAIN, inTransform.volume);
alSource3f(source, AL_POSITION, inTransform.pan * 1, 0, 0);
alSource3f(source, AL_POSITION, (float) cos((inTransform.pan - 1) * (1.5707)), 0, (float) sin((inTransform.pan + 1) * (1.5707)));
}
}