diff options
| author | Chris Robinson <[email protected]> | 2016-04-24 21:42:59 -0700 |
|---|---|---|
| committer | Chris Robinson <[email protected]> | 2016-04-24 21:42:59 -0700 |
| commit | f0871c8cfcb329e847fd48256fd32f20d2c7e827 (patch) | |
| tree | 6094609d7c173efa66894705d63d1f018bbf0f63 /OpenAL32 | |
| parent | fdee577940a4669e9723a16c4c625567694589ec (diff) | |
Improve radius behavior with scaling of ambisonic coefficients
Diffstat (limited to 'OpenAL32')
| -rw-r--r-- | OpenAL32/Include/alu.h | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/OpenAL32/Include/alu.h b/OpenAL32/Include/alu.h index c6b5aba0..76a8a921 100644 --- a/OpenAL32/Include/alu.h +++ b/OpenAL32/Include/alu.h @@ -300,9 +300,10 @@ void aluInitEffectPanning(struct ALeffectslot *slot); * CalcDirectionCoeffs * * Calculates ambisonic coefficients based on a direction vector. The vector - * must be normalized (unit length). + * must be normalized (unit length), and the spread is the angular width of the + * sound (0...tau). */ -void CalcDirectionCoeffs(const ALfloat dir[3], ALfloat coeffs[MAX_AMBI_COEFFS]); +void CalcDirectionCoeffs(const ALfloat dir[3], ALfloat spread, ALfloat coeffs[MAX_AMBI_COEFFS]); /** * CalcXYZCoeffs @@ -310,10 +311,10 @@ void CalcDirectionCoeffs(const ALfloat dir[3], ALfloat coeffs[MAX_AMBI_COEFFS]); * Same as CalcDirectionCoeffs except the direction is specified as separate x, * y, and z parameters instead of an array. */ -inline void CalcXYZCoeffs(ALfloat x, ALfloat y, ALfloat z, ALfloat coeffs[MAX_AMBI_COEFFS]) +inline void CalcXYZCoeffs(ALfloat x, ALfloat y, ALfloat z, ALfloat spread, ALfloat coeffs[MAX_AMBI_COEFFS]) { ALfloat dir[3] = { x, y, z }; - CalcDirectionCoeffs(dir, coeffs); + CalcDirectionCoeffs(dir, spread, coeffs); } /** @@ -323,7 +324,7 @@ inline void CalcXYZCoeffs(ALfloat x, ALfloat y, ALfloat z, ALfloat coeffs[MAX_AM * azimuth and elevation parameters are in radians, going right and up * respectively. */ -void CalcAngleCoeffs(ALfloat azimuth, ALfloat elevation, ALfloat coeffs[MAX_AMBI_COEFFS]); +void CalcAngleCoeffs(ALfloat azimuth, ALfloat elevation, ALfloat spread, ALfloat coeffs[MAX_AMBI_COEFFS]); /** * ComputeAmbientGains |