diff options
| -rwxr-xr-x | main.cpp | 16 | ||||
| -rwxr-xr-x | maximilian_examples/14.monosynth.cpp | 4 | ||||
| -rw-r--r-- | maximilian_examples/15.polysynth.cpp | 72 |
3 files changed, 79 insertions, 13 deletions
@@ -1,6 +1,6 @@ #include "maximilian.h" -//This shows how to use maximilian to build a polyphonic synth. Works but something weirds going on with the ticks. Hmm.. +//This shows how to use maximilian to build a polyphonic synth. //These are the synthesiser bits maxiOsc VCO1[6],VCO2[6],LFO1[6],LFO2[6]; @@ -9,7 +9,7 @@ maxiEnvelope ADSR[6]; //These are the control values for the envelope -double adsrEnv[8]={1,5,0.125,50,0.125,125,0,100}; +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 @@ -39,19 +39,13 @@ void play(double *output) { } ADSR[voice].trigger(0, adsrEnv[0]);//trigger the envelope from the start - pitch[voice]=voice; + pitch[voice]=voice+1; voice++; - - cout << "tick\n";//ticking twice for some reason - cout << voice;//ticking twice for some reason - cout << "\n";//ticking twice for some reason - - - lastCount=currentCount;//set the last count to the current count + lastCount=0; } - + //and this is where we build the synth for (int i=0; i<6; i++) { diff --git a/maximilian_examples/14.monosynth.cpp b/maximilian_examples/14.monosynth.cpp index cd9cd46..5dd4e7e 100755 --- a/maximilian_examples/14.monosynth.cpp +++ b/maximilian_examples/14.monosynth.cpp @@ -36,9 +36,9 @@ void play(double *output) { ADSR.trigger(0, adsrEnv[0]);//trigger the envelope from the start - cout << "tick\n";//ticking twice for some reason + cout << "tick\n";//the clock ticks - lastCount=currentCount;//set the last count to the current count + lastCount=0;//set lastCount to 0 } //and this is where we build the synth diff --git a/maximilian_examples/15.polysynth.cpp b/maximilian_examples/15.polysynth.cpp new file mode 100644 index 0000000..6c949ea --- /dev/null +++ b/maximilian_examples/15.polysynth.cpp @@ -0,0 +1,72 @@ +#include "maximilian.h" + +//This shows how to use maximilian to build a polyphonic synth. +//Basically it's the same as the monsynth example only with arrays of objects +//and a voice allocation system + +//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) { + + //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;//set lastCount to 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+(ADSRout[i]*15000), 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=mix; +} |