sphasor scaled
48000 at 'inlet_smps' will result in a 1 hz-saw-wave. '1barLength' defines the maximum length of 1 bar in seconds, longer inputs at 'inlet_smps' will scale up the speed. a pulse at 'rphase' will reset the phase, a pulse at 'rspeed' will recalculate the speed.
Inlets
int32 samples in
bool32.rising rphase
bool32.rising reset phase
int32.positive 1barLength
Outlets
frac32.positive phase
Declaration
uint32_t Phase;
uint64_t freq;
bool rphase;
bool rspeed;
Init
Phase = 0;
Control Rate
if (inlet_rspeed && !rspeed) {
freq = (int)((281474976710656.f / (inlet_smps * (128 << 3))) *
((((unsigned int)inlet_smps) / (inlet_1barLength * 48000)) + 1));
rspeed = 1;
}
if (inlet_rphase && !rphase) {
Phase = 0;
rphase = 1;
}
Phase += freq >> 2;
outlet_wave = (Phase >> 5) & ((1 << 27) - 1);
if (!inlet_rphase)
rphase = 0;
if (!inlet_rspeed)
rspeed = 0;