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Update some comments

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This commit is contained in:
Chris Robinson
2016-04-15 18:14:19 -07:00
parent bd65f64d05
commit e16032e1f0
2 changed files with 8 additions and 7 deletions
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Alc/panning.c
+3 -3
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@@ -138,12 +138,12 @@ void CalcDirectionCoeffs(const ALfloat dir[3], ALfloat coeffs[MAX_AMBI_COEFFS])
coeffs[15] = 2.091650066f * x * (x*x - 3.0f*y*y); /* ACN 15 = sqrt(35/8) * X * (X*X - 3*Y*Y) */
}
void CalcAngleCoeffs(ALfloat angle, ALfloat elevation, ALfloat coeffs[MAX_AMBI_COEFFS])
void CalcAngleCoeffs(ALfloat azimuth, ALfloat elevation, ALfloat coeffs[MAX_AMBI_COEFFS])
{
ALfloat dir[3] = {
sinf(angle) * cosf(elevation),
sinf(azimuth) * cosf(elevation),
sinf(elevation),
-cosf(angle) * cosf(elevation)
-cosf(azimuth) * cosf(elevation)
};
CalcDirectionCoeffs(dir, coeffs);
}
OpenAL32/Include/alu.h
+5 -4
View File
@@ -300,7 +300,7 @@ void aluInitEffectPanning(struct ALeffectslot *slot);
* CalcDirectionCoeffs
*
* Calculates ambisonic coefficients based on a direction vector. The vector
* must not be longer than 1 unit.
* must be normalized (unit length).
*/
void CalcDirectionCoeffs(const ALfloat dir[3], ALfloat coeffs[MAX_AMBI_COEFFS]);
@@ -319,10 +319,11 @@ inline void CalcXYZCoeffs(ALfloat x, ALfloat y, ALfloat z, ALfloat coeffs[MAX_AM
/**
* CalcAngleCoeffs
*
* Calculates ambisonic coefficients based on angle and elevation. The angle
* and elevation parameters are in radians, going right and up respectively.
* Calculates ambisonic coefficients based on azimuth and elevation. The
* azimuth and elevation parameters are in radians, going right and up
* respectively.
*/
void CalcAngleCoeffs(ALfloat angle, ALfloat elevation, ALfloat coeffs[MAX_AMBI_COEFFS]);
void CalcAngleCoeffs(ALfloat azimuth, ALfloat elevation, ALfloat coeffs[MAX_AMBI_COEFFS]);
/**
* ComputeAmbientGains