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dsound: Fix conning formula to correctly interpolate volume.

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Igor Kotrasinski 2015-04-11 15:44:14 +00:00 committed by Alexandre Julliard
parent ea371a2446
commit 65e19a096d
1 changed files with 1 additions and 1 deletions
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2
dlls/dsound/sound3d.c
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@ -242,7 +242,7 @@ void DSOUND_Calc3DBuffer(IDirectSoundBufferImpl *dsb)
if (flAngle > dwOutsideConeAngle)
flAngle = dwOutsideConeAngle;
/* this probably isn't the right thing, but it's ok for the time being */
lVolume += ((dsb->ds3db_ds3db.lConeOutsideVolume)/((dwOutsideConeAngle) - (dwInsideConeAngle))) * flAngle;
lVolume += ((flAngle - dwInsideConeAngle)/(dwOutsideConeAngle - dwInsideConeAngle)) * dsb->ds3db_ds3db.lConeOutsideVolume;
}
TRACE("conning: Angle = %f deg; InsideConeAngle(/2) = %d deg; OutsideConeAngle(/2) = %d deg; ConeOutsideVolume = %d => adjusting volume to %f\n",
flAngle, dsb->ds3db_ds3db.dwInsideConeAngle/2, dsb->ds3db_ds3db.dwOutsideConeAngle/2, dsb->ds3db_ds3db.lConeOutsideVolume, lVolume);