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


Minim minim;

AudioOutput out;
SquareWave square1;
SquareWave square2;
SquareWave square3;

int z = 250;

void setup()
{
  size(500, 500);

  minim = new Minim(this);

  out = minim.getLineOut();

  square1 = new SquareWave(220, 1, 44100);

  square2 = new SquareWave(440, 1, 44100);

  square3 = new SquareWave(880, 1, 44100);


  out.addSignal(square1);
  out.addSignal(square2);
  out.addSignal(square3);
}



void draw()
{
  square1.setAmp(mouseX/500.0);
  square2.setAmp(mouseY/500.0);
  square3.setAmp(z/500.0);
  
  if ( key == 'm' )
  {
    out.mute();
  }

  if (key == 'u') 
  {
    out.unmute();
  }
  
  if (key == '+') 
  {
    z+=10;
    println(z);    
  }
  
  if (key == '-') 
  {
    z-=10;
    println(z);
  }
  
  key=0;
}



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

  super.stop();
}