diff options
Diffstat (limited to 'OpenAL32/Include')
| -rw-r--r-- | OpenAL32/Include/alu.h | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/OpenAL32/Include/alu.h b/OpenAL32/Include/alu.h index b389ec1e..076abea6 100644 --- a/OpenAL32/Include/alu.h +++ b/OpenAL32/Include/alu.h @@ -105,7 +105,24 @@ static inline ALfloat cubic(ALfloat val0, ALfloat val1, ALfloat val2, ALfloat va ALvoid aluInitPanning(ALCdevice *Device); -ALvoid ComputeAngleGains(const ALCdevice *device, ALfloat angle, ALfloat hwidth, ALfloat ingain, ALfloat *gains); +/** + * ComputeAngleGains + * + * Sets channel gains based on a given source's angle and its half-width. The + * angle and hwidth parameters are in radians. + */ +void ComputeAngleGains(const ALCdevice *device, ALfloat angle, ALfloat hwidth, ALfloat ingain, ALfloat gains[MaxChannels]); + +/** + * SetGains + * + * Helper to set the appropriate channels to the specified gain. + */ +static inline void SetGains(const ALCdevice *device, ALfloat ingain, ALfloat gains[MaxChannels]) +{ + ComputeAngleGains(device, 0.0f, F_PI, ingain, gains); +} + ALvoid CalcSourceParams(struct ALsource *ALSource, const ALCcontext *ALContext); ALvoid CalcNonAttnSourceParams(struct ALsource *ALSource, const ALCcontext *ALContext); |