From 1100fc8c462d9a17731340596e7d9c07adb3fe54 Mon Sep 17 00:00:00 2001
From: mick grierson <mickgrierson@gmail.com>
Date: Mon, 27 Jul 2015 01:07:41 +0100
Subject: More major repair work. New OS X 10.10 SDK example project. New
 project structure. New Tutorials / Examples.

---
 main.cpp | 115 +++++++++++++++++++++++++++++++++++++++++++++++++++++----------
 1 file changed, 98 insertions(+), 17 deletions(-)

(limited to 'main.cpp')

diff --git a/main.cpp b/main.cpp
index 119fddf..07795df 100755
--- a/main.cpp
+++ b/main.cpp
@@ -1,32 +1,113 @@
 #include "maximilian.h"
+#include "libs/maxim.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];
+
+maxiFFTOctaveAnalyzer octo;
+int nAverages;
+float *ifftOutput;
+int ifftSize;
+
+maxiIFFT ifft;
+maxiFFT mfft;
+int fftSize;
+int bins, dataSize;
 
-maxiSample beats; //We give our sample a name. It's called beats this time. We could have loads of them, but they have to have different names.
-maxiDyn compressor; //this is a compressor
-double out;
 
 void setup() {//some inits
     
-    beats.load("/Users/michaelgrierson/Documents/workspace/Maximilian/ofxMaxim/examples/OSX/ofMaximExample007OSX_Granular/bin/data/beat2.wav");//load in your samples. Provide the full path to a wav file.
-    printf("Summary:\n%s", beats.getSummary());//get info on samples if you like.
+    fftSize = 1024;
+    mfft.setup(fftSize, 1024, 256);
+    ifft.setup(fftSize, 1024, 256);
     
-    compressor.setAttack(300);
-    compressor.setRelease(300);
-    compressor.setThreshold(0.25);
-    compressor.setRatio(5);
+
+    nAverages = 12;
+    octo.setup(44100, fftSize/2, nAverages);
     
-    //you can set these any time you like.
+    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) {//this is where the magic happens. Very slow magic.
+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=1;//trigger the envelope from the start
+        pitch[voice]=voice+1;
+        voice++;
+        
+        lastCount=0;
+        cout << mfft.spectralFlatness() << ", " << mfft.spectralCentroid() << endl;
+        
+        for (int i=0; i<octo.nAverages; i++) {
+            cout << octo.averages[i] << " ,";
+        } cout << endl;
+        
+    }
     
-    //here, we're just compressing the file in real-time
-    //arguments are input,ratio,threshold,attack,release
-    out=compressor.compress(beats.play());
+    //and this is where we build the synth
     
-    output[0]=out;
-    output[1]=out;
+    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 
+        
+        
+    }
+    
+    output[0]=mix*0.5;//left channel
+    output[1]=mix*0.5;//right channel
+    
+    if (mfft.process(mix)) {
+        //do some manipulation
+        mfft.magsToDB();
+        octo.calculate(mfft.magnitudesDB);
+    }
+    //inverse fft
+    
+    // This just sends note-off messages.
+    for (int i=0; i<6; i++) {
+        ADSR[i].trigger=0;
+    }
     
 }
-
-- 
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