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Diffstat (limited to 'main.cpp')
| -rwxr-xr-x | main.cpp | 76 |
1 files changed, 41 insertions, 35 deletions
@@ -1,55 +1,61 @@ #include "maximilian.h" -//this tutorial explains how to use the maxiEnv +//Bizarelly, this sounds a little bit like Kraftwerk's 'Metropolis', although it isn't. Funny that. -maxiSample sound1; +maxiOsc sound,bass,timer,mod,lead,lead2,leadmod;//here are the synth bits +maxiEnv envelope, leadenvelope;//some envelopes +maxiFilter filter, filter2;//some filters +maxiDelayline delay;//a delay +convert mtof;//a method for converting midi notes to frequency +double bassout,leadout, delayout;//some variables to hold the data and pass it around +int trigger, trigger2, newnote;//some control variables +int currentCount,lastCount,playHead=0, currentChord=0;//some other control variables +int pitch[8]={57,57,59,60};//the bassline for the arpeggio +int chord[8]={0,0,7,2,5,5,0,0};//the root chords for the arpeggio +float currentPitch,leadPitch;//the final pitch variables -maxiOsc timer,snarePhase; //and a timer +//here's the lead line trigger array, followed by the pitches +int leadLineTrigger[256]={1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,1,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0}; +int leadLinePitch[15]={69,67,65,64,67,66,64,62,65,64,62,57,55,60,57}; -maxiEnv envelope;//this is going to be an envelope -int currentCount,lastCount,playHead, - -sequence[16]={1,0,0,0,1,0,0,0,1,0,0,0,1,0,0,0}; //This is the sequence for the kick - -int sampleTrigger; - -double sampleOut; void setup() {//some inits - //YOU HAVE TO PROVIDE THE SAMPLES.... - - sound1.load("/Users/mickgrierson/Documents/audio/68373__juskiddink__Cello_open_string_bowed.wav");//load in your samples. Provide the full path to a wav file. - - - printf("Summary:\n%s", sound1.getSummary());//get info on samples if you like. - //beats.getLength(); } void play(double *output) {//this is where the magic happens. Very slow magic. - currentCount=(int)timer.phasor(8);//this sets up a metronome that ticks 8 times a second - + currentCount=(int)timer.phasor(9);//this sets up a metronome that ticks every so often if (lastCount!=currentCount) {//if we have a new timer int this sample, play the sound - - sampleTrigger=sequence[playHead%16]; + trigger=1;//play the arpeggiator line + trigger2=leadLineTrigger[playHead%256];//play the lead line + if (trigger2==1) {//if we are going to play a note + leadPitch=mtof.mtof(leadLinePitch[newnote]);//get the next pitch val + newnote++;//and iterate + if (newnote>14) { + newnote=0;//make sure we don't go over the edge of the array + } + } + currentPitch=mtof.mtof(pitch[(playHead%4)]+chord[currentChord%8]);//write the frequency val into currentPitch playHead++;//iterate the playhead - lastCount=0;//reset the metrotest - + if (playHead%32==0) {//wrap every 4 bars + currentChord++;//change the chord + } + //cout << "tick\n";//the clock ticks + lastCount=0;//set lastCount to 0 } - //the envelope we're using here is an AR envelope. - //It has an input (which in this case is a sound) - //It has an attack coefficient, a hold val (in samples) - //and a release coefficient. Finally, it has a trigger input. - //If you stick a 1 in the trigger input, it retriggers the envelope - sampleOut=envelope.ar(sound1.play(1.), 0.1, 0.9999, 1, sampleTrigger); // - - output[0]=sampleOut;//left channel - output[1]=sampleOut;//right channel + bassout=filter2.lores(envelope.adsr(bass.saw(currentPitch*0.5)+sound.pulse(currentPitch*0.5,mod.phasor(1)),1,0.9995, 0.25, 0.9995, 1, trigger),9250,2);//new, simple ADSR. + leadout=filter.lores(leadenvelope.ar(lead2.saw(leadPitch*4)+lead.pulse(leadPitch+(leadmod.sinebuf(1.9)*1.5), 0.6), 0.00005, 0.999975, 50000, trigger2),5900,10);//leadline + + delayout=(leadout+(delay.dl(leadout, 14000, 0.8)*0.5))/2;//add some delay + + if(trigger!=0)trigger=0;//set the trigger to off if you want it to trigger immediately next time. + + + output[0]=(bassout+delayout)/2;//sum output + output[1]=(bassout+delayout)/2; - sampleTrigger = 0;//set trigger to 0 at the end of each sample to guarantee retriggering. - }
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