diff options
Diffstat (limited to 'main.cpp')
| -rwxr-xr-x | main.cpp | 78 |
1 files changed, 71 insertions, 7 deletions
@@ -1,10 +1,74 @@ -currentCount=(int)timer.phasor(8);//this sets up a metronome that ticks 8 times a second +#include "maximilian.h" +//This shows how to use maximilian to build a polyphonic synth. -if (lastCount!=currentCount) {//if we have a new timer int this sample, play the sound +//These are the synthesiser bits +maxiOsc VCO1[6],VCO2[6],LFO1[6],LFO2[6]; +maxiFilter VCF[6]; +maxiEnvelope ADSR[6]; + +//These are the control values for the envelope + +double adsrEnv[8]={1,5,0.125,100,0.125,200,0,1000}; + +//This is a bunch of control signals so that we can hear something + +maxiOsc timer;//this is the metronome +int currentCount,lastCount,voice=0;//these values are used to check if we have a new beat this sample + +//and these are some variables we can use to pass stuff around + +double VCO1out[6],VCO2out[6],LFO1out[6],LFO2out[6],VCFout[6],ADSRout[6],mix,pitch[6]; + + +void setup() {//some inits + + +} + +void play(double *output) { + + mix=0;//we're adding up the samples each update and it makes sense to clear them each time first. + + //so this first bit is just a basic metronome so we can hear what we're doing. + + currentCount=(int)timer.phasor(8);//this sets up a metronome that ticks 8 times a second + + if (lastCount!=currentCount) {//if we have a new timer int this sample, play the sound + + if (voice==6) { + voice=0; + } + + ADSR[voice].trigger(0, adsrEnv[0]);//trigger the envelope from the start + pitch[voice]=voice+1; + voice++; + + lastCount=0; + + } + + //and this is where we build the synth + + for (int i=0; i<6; i++) { + + + ADSRout[i]=ADSR[i].line(8,adsrEnv);//our ADSR env has 8 value/time pairs. + + LFO1out[i]=LFO1[i].sinebuf(0.2);//this lfo is a sinewave at 0.2 hz + + VCO1out[i]=VCO1[i].pulse(55*pitch[i],0.6);//here's VCO1. it's a pulse wave at 55 hz, with a pulse width of 0.6 + VCO2out[i]=VCO2[i].pulse((110*pitch[i])+LFO1out[i],0.2);//here's VCO2. it's a pulse wave at 110hz with LFO modulation on the frequency, and width of 0.2 + + + VCFout[i]=VCF[i].lores((VCO1out[i]+VCO2out[i])*0.5, 250+((pitch[i]+LFO1out[i])*1000), 10);//now we stick the VCO's into the VCF, using the ADSR as the filter cutoff + + mix+=VCFout[i]*ADSRout[i]/6;//finally we add the ADSR as an amplitude modulator + + + } + + output[0]=mix*0.5;//left channel + output[1]=mix*0.5;//right channel - kicktrigger=hit[playHead%16];//get the value out of the array for the kick - snaretrigger=snarehit[playHead%16];//same for the snare - playHead++;//iterate the playhead - lastCount=0;//reset the metrotest -}
\ No newline at end of file +} |