diff options
Diffstat (limited to 'main.cpp')
| -rwxr-xr-x | main.cpp | 112 |
1 files changed, 48 insertions, 64 deletions
@@ -1,81 +1,65 @@ #include "maximilian.h" -//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]; -maxiFilter VCF[6]; -maxiEnv ADSR[6]; - -//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]; - +double outputs[2],moreoutputs[2]; //some track outputs +double filtered,patch1,patch2,tune,delayed, +mixed,ramp,filtered2,noise,pan,more;//a bunch of patch cables +int beat,lastbeat,morebeats,lastmorebeats;//some rhythmic elemts +double env[4]={200,0,0,50};//the kick drum pitch envelope data +double env2[6]={10000,0,9000,5,0,5};//the hi hat pitch envelope dat +double melody[14]={600,0,0,650,0,0,400,0,0,425,0,300,0,315};//the melody data +int rhythm1[16]={1,0,0,1,0,0,1,0,0,1,0,0,1,0,1,0};//another way of doing a rhythm +maxiOsc a,c,d,e,g,h,i,j,squarewave;//some oscillators +maxiEnvelope b,f;//two envelopers +maxiDelayline delay;//a delay line +maxiFilter myfilter,antia;// a FAT filter +maxiMix mymix,bobbins;//some panning busses +maxiSample beats; void setup() {//some inits + b.amplitude=env[0];//starting value for envelope b + f.amplitude=env2[0];//same for f + beats.load("/Users/michaelgrierson/Documents/workspace/Maximilian/beat2.wav");//put a path to a soundfile here. Wav format only. - for (int i=0;i<6;i++) { - - ADSR[i].setAttack(0); - ADSR[i].setDecay(200); - ADSR[i].setSustain(0.2); - ADSR[i].setRelease(2000); - - } } -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. +void play(double *output) {//this is where the magic happens. Very slow magic. + beat=((int) c.phasor(8));//this oscillator is now a counter + morebeats=((int) e.phasor(0.5,0,16));//so is this one + patch1=b.line(4,env);//here's envelope b + patch2=f.line(6,env2);//here's envelop f + tune=g.saw(melody[morebeats]*0.25);//here's the melody, which occurs at certain times - 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; - } + if (lastbeat!=beat) {//this is a nice sample and hold routine for the kick drum + f.trigger(0, env2[0]);//it runs off the hi hat. - ADSR[voice].trigger=1;//trigger the envelope from the start - pitch[voice]=voice+1; - voice++; + if (rhythm1[morebeats]==1) { + b.trigger(0, env[0]);//and gets played when it's time. + } } + lastbeat=beat;//let's start again. It's a loop + ramp=i.phasor(0.5,1,2048);//create a basic ramp + pan=j.phasor(0.25);//some panning from a phasor (object is equal power) + delayed=delay.dl(tune, ramp, 0.9)*0.125;//the delay line + //then it all gets mixed. + mixed=((a.sinewave(patch1)*0.5)+((d.saw(patch2))*0.125)+(delayed*0.3)*0.5); + //add some noise + noise=i.noise()*0.25; + filtered2=beats.play(1*(1./16.),0,beats.length); + // filtered2=beats.play(-1); - //and this is where we build the synth + more=squarewave.pulse(melody[morebeats],pan)*0.05; + //filter the noise! this lores takes values between 1 and 100 for res, and freq for cutoff. + filtered=myfilter.lores(filtered2, 1+(pan*10000), 10)*0.4; - for (int i=0; i<6; i++) { - - - ADSRout[i]=ADSR[i].adsr(1.,ADSR[i].trigger);//our ADSR env is passed a constant signal of 1 to generate the transient. - - 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 - - - } + //now we send the sounds to some stereo busses. + mymix.stereo(more+mixed+delayed, outputs, 1-pan); + bobbins.stereo(filtered, moreoutputs, pan);//invert the pan - output[0]=mix*0.5;//left channel - output[1]=mix*0.5;//right channel - + //mixing - // This just sends note-off messages. - for (int i=0; i<6; i++) { - ADSR[i].trigger=0; - } + output[0]=outputs[0]+moreoutputs[0]/10;//stick it in the out!! + output[1]=outputs[1]+moreoutputs[1]/10; } + |