aboutsummaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorChris Robinson <[email protected]>2009-01-27 07:11:58 -0800
committerChris Robinson <[email protected]>2009-01-27 07:11:58 -0800
commitcbfc33215b856b922468362126d7a7485d7cdb20 (patch)
tree5d04947d6c56cb45b0cbf20aa4df5f1fc9e806b4
parent5a93b56673ed9831ade46900322ea4494325c504 (diff)
Use M_PI since it is sure to be defined
-rw-r--r--Alc/ALu.c7
1 files changed, 3 insertions, 4 deletions
diff --git a/Alc/ALu.c b/Alc/ALu.c
index e934b6cd..be48ee90 100644
--- a/Alc/ALu.c
+++ b/Alc/ALu.c
@@ -731,8 +731,7 @@ static ALvoid CalcSourceParams(ALCcontext *ALContext, ALsource *ALSource,
WetMix = __max(WetMix,MinVolume);
//3. Apply directional soundcones
- Angle = aluAcos(aluDotproduct(Direction,SourceToListener)) * 180.0f /
- 3.141592654f;
+ Angle = aluAcos(aluDotproduct(Direction,SourceToListener)) * 180.0f/M_PI;
if(Angle >= InnerAngle && Angle <= OuterAngle)
{
ALfloat scale = (Angle-InnerAngle) / (OuterAngle-InnerAngle);
@@ -851,7 +850,7 @@ static ALvoid CalcSourceParams(ALCcontext *ALContext, ALsource *ALSource,
*wetsend = WetMix;
// Update filter coefficients. Calculations based on the I3DL2 spec.
- cw = cos(2.0f*3.141592654f * LOWPASSFREQCUTOFF / ALContext->Frequency);
+ cw = cos(2.0*M_PI * LOWPASSFREQCUTOFF / ALContext->Frequency);
// We use four chained one-pole filters, so we need to take the fourth
// root of the squared gain, which is the same as the square root of
// the base gain.
@@ -898,7 +897,7 @@ static ALvoid CalcSourceParams(ALCcontext *ALContext, ALsource *ALSource,
drysend[LFE] = DryMix * ListenerGain;
*wetsend = 0.0f;
- cw = cos(2.0f*3.141592654f * LOWPASSFREQCUTOFF / ALContext->Frequency);
+ cw = cos(2.0*M_PI * LOWPASSFREQCUTOFF / ALContext->Frequency);
g = __max(DryGainHF, 0.01f);
a = 0.0f;
if(g < 0.9999f) // 1-epsilon