nativeSaw
saw wave oscillator with "active" control Non-bandwith limited, medium quality
Inlets
frac32.bipolar pitch
bool32 active
Outlets
frac32buffer.bipolar saw wave, non-anti-aliased
Parameters
frac32.s.map.pitch pitch
Declaration
int32_t osc_p;
Init
osc_p = 0;
Control Rate
if (inlet_active > 0) {
uint32_t freq;
MTOFEXTENDED(param_pitch + inlet_pitch, freq);
int32_t f0i = 0x7fffffff / (1 + ((int)freq) >> 11);
int j;
for (j = 0; j < BUFSIZE; j++) {
int32_t p1 = osc_p;
int32_t p2 = p1 + freq;
osc_p = p2;
if ((p2 < 0) && (p1 > 0))
outlet_wave[j] = ___SMMLS(f0i, p2 & ~(1 << 31), 0x200) << 15;
else
outlet_wave[j] = p2 >> 7;
}
}
Audio Rate
if (inlet_active == 0) {
outlet_wave = 0;
}