import ddf.minim.*;
import ddf.minim.signals.*;
 
Minim minim;
AudioOutput out;
SineWave sine;
 
void setup() {
   
  size(800, 400);
   
  minim = new Minim(this);
  // get a line out from Minim, default bufferSize is 1024, default sample rate is 44100, bit depth is 16
  out = minim.getLineOut(Minim.STEREO);
  // create a sine wave Oscillator, set to 261.63 Hz, at 0.5 amplitude, sample rate from line out
  sine = new SineWave(261.63, 0.5, out.sampleRate());
  // set the portamento speed on the oscillator to 50 milliseconds
  sine.portamento(50);
  // add the oscillator to the line out
  out.addSignal(sine);
}
 
 
void draw() {
   
  background(0);
  noStroke();
  smooth();
     
  float xref = width/2;
  float yref = height;
  float x = xref-mouseX; 
  float y = yref-mouseY;
  float r = sqrt(x*x+y*y);
   
  if (7*width/14<r){
    background(255);
    fill(random(255),random(255),random(255),random(255));
    ellipse(width/2, height, width, width);
    fill(random(255),random(255),random(255),random(255));
    ellipse(width/2, height, 6*width/7, 6*width/7);
    fill(random(255),random(255),random(255),random(255));
    ellipse(width/2, height, 5*width/7, 5*width/7);
    fill(random(255),random(255),random(255),random(255));
    ellipse(width/2, height, 4*width/7, 4*width/7);
    fill(random(255),random(255),random(255),random(255));
    ellipse(width/2, height, 3*width/7, 3*width/7);
    fill(random(255),random(255),random(255),random(255));
    ellipse(width/2, height, 2*width/7, 2*width/7);
    fill(random(255),random(255),random(255),random(255));
    ellipse(width/2, height, width/7, width/7);
  }
   
  else {
    if (3*width/7<r && r<7*width/14) { fill(0); }
    else { fill(#ff58bb); }   
    ellipse(width/2, height, width, width);
     
    if (5*width/14<r && r<3*width/7) { fill(0); }
    else { fill(#92267b); }  
    ellipse(width/2, height, 6*width/7, 6*width/7);
     
    if (2*width/7<r && r<5*width/14) { fill(0); }
    else { fill(#0140b1); }
    ellipse(width/2, height, 5*width/7, 5*width/7);
     
    if (3*width/14<r && r<2*width/7) { fill(0); }
    else { fill(#6fd884); }
    ellipse(width/2, height, 4*width/7, 4*width/7);
     
    if (width/7<r && r<3*width/14) { fill(0); }
    else { fill(#f4cd41); }
    ellipse(width/2, height, 3*width/7, 3*width/7);
     
    if (width/14<r && r<width/7) { fill(0); }
    else { fill(#feac22); }
    ellipse(width/2, height, 2*width/7, 2*width/7);
     
    if (r<width/14) { fill(0); }  
    else { fill(#ee202a); }
    ellipse(width/2, height, width/7, width/7);
  }
}
 
 
float A3 = 220.00;
float Eb = 311.10;
float A = 440.00;
float Db = 277.20;
float C = 261.60;
float SILENCIO = 0.00;
float Gb = 370;
float E = 329.6;
float[] notas = {A3, Eb, A, Db, C, SILENCIO, Gb, E};
 
 
void mouseMoved() {
   
  float xref = width/2;
  float yref = height;
  float x = xref-mouseX; 
  float y = yref-mouseY;
  float r = sqrt(x*x+y*y);
   
  int nota = int(map(r, 0, height, 0, 7));
   
  float freq;
  if (r>height) { freq = notas [7]; }
  else { freq = notas [nota]; }
  sine.setFreq(freq);
}

void stop()
{
  out.close();
  minim.stop();
  
  super.stop();
}