float r;
float t,d;
int posX;
int posY;
float incremento;
float x1,x2;
float y1,y2;
float x3,x4;
float y3,y4;
color c;

public class cicloide{
    
  cicloide(float raggio,int posizioneX, int posizioneY, color colore){
    r = raggio;
    t= 0.0;
    d= 0.0;
    posX = posizioneX;
    posY = posizioneY;
    incremento = +0.05;
    c= colore;
  }
  
  void display(){
       for(int i = 0; i<=120*Math.PI; i++){
          
         stroke(c);
          x1=  posX-(r*(t-sin(t)));
          y1=  posY-(r*(1-cos(t)));
          t = t-incremento;
          x2=  posX-(r*(t-sin(t)));
          y2=  posY-(r*(1-cos(t)));
          line(x1, y1,x2,y2);
          
          stroke(c);
          x3=  posX+(r*(d-sin(d)));
          y3=  posY+(r*(1-cos(d)));
          d = d+incremento;
          x4=  posX+(r*(d-sin(d)));
          y4=  posY+(r*(1-cos(d)));
          line(x3, y3,x4,y4);
          
      }
  }
}  

import ddf.minim.*;
import ddf.minim.signals.*;
import ddf.minim.analysis.*;
import ddf.minim.effects.*;


Minim minim;
AudioPlayer song;
FFT fft;
HighPassSP highpass;



void setup(){
  size(600,500);
  
  minim = new Minim(this);

  song = minim.loadFile("Talking Heads Psycho Killer (HQ).mp3", 1024);
  song.loop();
  highpass = new HighPassSP(200,44100);
  fft = new FFT(song.bufferSize(), song.sampleRate());
  fft.logAverages(22,3);
  song.addEffect(highpass);
  
  noStroke();
}


void draw(){
  color c = color(mouseX,mouseY,0);
  rect(0,0,width,height);
  
  fill(0,170);
  fft.forward(song.mix);
  for (int i = 0; i < fft.avgSize(); i++)
  {
     cicloide ciclo = new cicloide(map(fft.getBand(i), 0, 100, 0, 120),0,250, c);
     ciclo.display();
     println(fft.getBand(i));
  }
  if(mouseY<=height/2){
    highpass.setFreq( map(mouseY, 0, height, 120, 10000));
  }
  if(mouseY>height/2){
    highpass.setFreq( map(mouseY, height, 0, 120, 10000));
  }
}

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