diff options
| -rw-r--r-- | Alc/effects/modulator.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/Alc/effects/modulator.c b/Alc/effects/modulator.c index 7985f03e..b629b584 100644 --- a/Alc/effects/modulator.c +++ b/Alc/effects/modulator.c @@ -63,17 +63,17 @@ DEFINE_ALEFFECTSTATE_VTABLE(ALmodulatorState); static inline ALfloat Sin(ALsizei index) { - return sinf(index*(F_TAU/WAVEFORM_FRACONE) - F_PI)*0.5f + 0.5f; + return sinf(index * (F_TAU / WAVEFORM_FRACONE)); } static inline ALfloat Saw(ALsizei index) { - return (ALfloat)index / WAVEFORM_FRACONE; + return index*(2.0f/WAVEFORM_FRACONE) - 1.0f; } static inline ALfloat Square(ALsizei index) { - return (ALfloat)((index >> (WAVEFORM_FRACBITS - 1)) & 1); + return ((index>>(WAVEFORM_FRACBITS-1))&1)*2.0f - 1.0f; } #define DECL_TEMPLATE(func) \ |