import ddf.minim.*;
import ddf.minim.ugens.*;
import processing.serial.*;
import cc.arduino.*;

Arduino arduino;

color off = color(4, 79, 111);
color on = color(200, 200, 200);
int q1fill;
int q2fill;
int q3fill;
int q4fill;

Minim minim;
AudioOutput out;

// to make an Instrument we must define a class
// that implements the Instrument interface.
class SineInstrument implements Instrument
{
  Oscil wave;
  Line  ampEnv;

  SineInstrument( float frequency )
  {
    // make a sine wave oscillator
    // the amplitude is zero because
    // we are going to patch a Line to it anyway
    wave   = new Oscil( frequency, 0, Waves.SINE );
    ampEnv = new Line();
    ampEnv.patch( wave.amplitude );
  }

  // this is called by the sequencer when this instrument
  // should start making sound. the duration is expressed in seconds.
  void noteOn( float duration )
  {
    // start the amplitude envelope
    ampEnv.activate( duration, 0.5f, 0 );
    // attach the oscil to the output so it makes sound
    wave.patch( out );
  }

  // this is called by the sequencer when the instrument should
  // stop making sound
  void noteOff()
  {
    wave.unpatch( out );
  }
}

void setup()
{
  size(512, 480, P3D);

  minim = new Minim(this);
    arduino = new Arduino(this, "/dev/ttyUSB0", 57600);

  // use the getLineOut method of the Minim object to get an AudioOutput object
  out = minim.getLineOut();

   for (int i = 0; i <= 13; i++)
    arduino.pinMode(i, Arduino.INPUT);

  // when providing an Instrument, we always specify start time and duration

}

void draw()
{
  background(0);
 stroke(on);

 if (arduino.digitalRead(4) == Arduino.HIGH) {  // When 'i' is less than 35...
     out.playNote( 0.0, 0.9, new SineInstrument( 97.99 ) );
     q1fill = on;

  }  else   {q1fill = 0;}
   if (arduino.digitalRead(5) == Arduino.HIGH) {  // When 'i' is less than 35...
  out.playNote( 0.0, 0.9, new SineInstrument( 123.47 ) );
q2fill = on;

  } else   {q2fill = 0;}

     if (arduino.digitalRead(2) == Arduino.HIGH) {  // When 'i' is less than 35...
  out.playNote( 0.0, 0.9, new SineInstrument( 200 ) );
q3fill = on;

  } else   {q3fill = 0;}

       if (arduino.digitalRead(7) == Arduino.HIGH) {  // When 'i' is less than 35...
  out.playNote( 0.0, 0.9, new SineInstrument( 500 ) );
q4fill = on;

  } else   {q4fill = 0;}
  // draw the waveforms
  for(int i = 0; i < out.bufferSize() - 1; i++)
  {
    line( i, 50 + out.left.get(i)*50, i+1, 50 + out.left.get(i+1)*50 );
    line( i, 150 + out.right.get(i)*50, i+1, 150 + out.right.get(i+1)*50 );
  }

 fill(q1fill);
rect(100, 300, 50, 50);

 fill(q2fill);
rect(200, 300, 50, 50);

 fill(q3fill);
rect(300, 300, 50, 50);

 fill(q4fill);
rect(400, 300, 50, 50);




}