harmonographix

import ddf.minim.*;

import ddf.minim.signals.*;

import controlP5.*;

​

Minim minim;

AudioOutput out;

SineWave sinex, siney;

​

int rotateContrary = 1;

public int lineWidth;

public float xangle, yangle, tyangle, txangle, sineVolume;

public float xAngle, yAngle, xAmp, yAmp,tAngle, txAmp, tyAmp,txAngle, tyAngle;

public int num = 1000;  

public float mx[] = new float[num];  

public float my[] = new float[num];  

​

//total width = 600 + 250 = 850

int screenWidth = 600;

int controlWidth = 250;

int screenHeight = 600;

​

color lineColor;

​

ControlP5 controlP5;

controlP5.Label label;

​

Slider fadeSlider,xAngleSlider,yAngleSlider,xAmpSlider,yAmpSlider,txAmpSlider,tyAmpSlider,txAngleSlider,tyAngleSlider,lineWidthSlider,sineVolumeSlider;

Toggle contraryToggle;

​

void setup() 

{

  size(screenWidth + controlWidth, screenHeight, P2D);

  smooth();

  lineColor = color( 0, 255, 0 );

  color sliderBackgroundColor = color( 100, 100, 100 );

  color sliderForegroundColor = lineColor;

​

 // txangle = PI / 4;

 // tyangle = PI / 4;

  yangle = PI / 2; //PI / 4;

  xangle = 0 ;

  int startT = 0;

  int startP = 30;

​

​

  //init vars

  mx[num-1] = 0;

  my[num-1] = 0;

​

  // sound setup

  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, 2048);

  // create a sine wave Oscillator, set to 440 Hz, at 0.5 amplitude, sample rate from line out

  sinex = new SineWave(440, 0.5, out.sampleRate());

  siney = new SineWave(640, 0.5, out.sampleRate());

  // set the portamento speed on the oscillator to 200 milliseconds

  sinex.portamento(10);

  siney.portamento(10);

  // add the oscillator to the line out

  out.addSignal(sinex);

  out.addSignal(siney);

  int barWidth = 20;

  int barSpace = 40;

  int barLength = 150;

  int topOffset = 40;

  int barXSpace = 50;

​

  // control setup

  controlP5 = new ControlP5(this);

​

   // pen controls

  xAngleSlider = controlP5.addSlider("xAngle",0,100,128,screenWidth+barXSpace,topOffset,barWidth,barLength);

  xAngleSlider.setColorValue( sliderForegroundColor );

  xAngleSlider.setColorBackground( sliderBackgroundColor );

  xAngleSlider.setColorForeground( sliderForegroundColor );

  xAngleSlider.setColorActive( sliderForegroundColor );

  xAngleSlider.setId(1);

  xAngleSlider.setValue( startP );

  label = xAngleSlider.captionLabel();

  label.set( "X freq" );

​

  xAmpSlider = controlP5.addSlider("xAmp",0,screenWidth/2,128,screenWidth+barXSpace*2,topOffset,barWidth,barLength);

  xAmpSlider.setColorValue( sliderForegroundColor );

  xAmpSlider.setColorBackground( sliderBackgroundColor );

  xAmpSlider.setColorForeground( sliderForegroundColor );

  xAmpSlider.setColorActive( sliderForegroundColor );

  xAmpSlider.setId(2);

  xAmpSlider.setValue( startP );

  label = xAmpSlider.captionLabel();

  label.set( "X amp" );  

​

  yAngleSlider = controlP5.addSlider("yAngle",0,100,128,screenWidth+barXSpace*3,topOffset,barWidth,barLength);

  yAngleSlider.setColorValue( sliderForegroundColor );

  yAngleSlider.setColorBackground( sliderBackgroundColor );

  yAngleSlider.setColorForeground( sliderForegroundColor );

  yAngleSlider.setColorActive( sliderForegroundColor );

  yAngleSlider.setId(3);

  yAngleSlider.setValue( startP );

  label = yAngleSlider.captionLabel();

  label.set( "Y freq" );

​

  yAmpSlider = controlP5.addSlider("yAmp",0,screenHeight/2,128,screenWidth+barXSpace*4,topOffset,barWidth,barLength);

  yAmpSlider.setColorValue( sliderForegroundColor );

  yAmpSlider.setColorBackground( sliderBackgroundColor );

  yAmpSlider.setColorForeground( sliderForegroundColor );

  yAmpSlider.setColorActive( sliderForegroundColor );

  yAmpSlider.setId(4);

  yAmpSlider.setValue( startP );

  label = yAmpSlider.captionLabel();

  label.set( "Y amp" );

​

  // table controls

  txAngleSlider = controlP5.addSlider("txAngle",0,100,128,screenWidth+barXSpace,topOffset+barLength+barSpace,barWidth,barLength);

  txAngleSlider.setColorValue( sliderForegroundColor );

  txAngleSlider.setColorBackground( sliderBackgroundColor );

  txAngleSlider.setColorForeground( sliderForegroundColor );

  txAngleSlider.setColorActive( sliderForegroundColor );

  txAngleSlider.setId(1);

  txAngleSlider.setValue( startT );

  label = txAngleSlider.captionLabel();

  label.set( "tX freq" );

​

  txAmpSlider = controlP5.addSlider("txAmp",0,screenWidth/2,128,screenWidth+barXSpace*2,topOffset+barLength+barSpace,barWidth,barLength);

  txAmpSlider.setColorValue( sliderForegroundColor );

  txAmpSlider.setColorBackground( sliderBackgroundColor );

  txAmpSlider.setColorForeground( sliderForegroundColor );

  txAmpSlider.setColorActive( sliderForegroundColor );

  txAmpSlider.setId(2);

  txAmpSlider.setValue( startT );

  label = txAmpSlider.captionLabel();

  label.set( "tX amp" );  

​

  tyAngleSlider = controlP5.addSlider("tyAngle",0,100,128,screenWidth+barXSpace*3,topOffset+barLength+barSpace,barWidth,barLength);

  tyAngleSlider.setColorValue( sliderForegroundColor );

  tyAngleSlider.setColorBackground( sliderBackgroundColor );

  tyAngleSlider.setColorForeground( sliderForegroundColor );

  tyAngleSlider.setColorActive( sliderForegroundColor );

  tyAngleSlider.setId(3);

  tyAngleSlider.setValue( startT );

  label = tyAngleSlider.captionLabel();

  label.set( "tY freq" );

​

  tyAmpSlider = controlP5.addSlider("tyAmp",0,screenHeight/2,128,screenWidth+barXSpace*4,topOffset+barLength+barSpace,barWidth,barLength);

  tyAmpSlider.setColorValue( sliderForegroundColor );

  tyAmpSlider.setColorBackground( sliderBackgroundColor );

  tyAmpSlider.setColorForeground( sliderForegroundColor );

  tyAmpSlider.setColorActive( sliderForegroundColor );

  tyAmpSlider.setId(4);

  tyAmpSlider.setValue( startT );

  label = tyAmpSlider.captionLabel();

  label.set( "tY amp" );

​

  //bottom row

  fadeSlider = controlP5.addSlider("num",1,num,128,screenWidth+barXSpace,topOffset+barLength*2+barSpace*2,barWidth,barLength);

  fadeSlider.setColorValue( sliderForegroundColor );

  fadeSlider.setColorBackground( sliderBackgroundColor );

  fadeSlider.setColorForeground( sliderForegroundColor );

  fadeSlider.setColorActive( sliderForegroundColor );

  fadeSlider.setId(5);

  fadeSlider.setValue( 200 );

  label = fadeSlider.captionLabel();

  label.set( "fade time" );

​

  lineWidthSlider = controlP5.addSlider("lineWidth",1,40,128,screenWidth+barXSpace*2,topOffset+barLength*2+barSpace*2,barWidth,barLength);

  lineWidthSlider.setColorValue( sliderForegroundColor );

  lineWidthSlider.setColorBackground( sliderBackgroundColor );

  lineWidthSlider.setColorForeground( sliderForegroundColor );

  lineWidthSlider.setColorActive( sliderForegroundColor );

  lineWidthSlider.setValue( 5 );

  label = lineWidthSlider.captionLabel();

  label.set( "line width" );

​

  sineVolumeSlider = controlP5.addSlider("sineVolume",0,1,128,screenWidth+barXSpace*3,topOffset+barLength*2+barSpace*2,barWidth,barLength);

  sineVolumeSlider.setColorValue( sliderForegroundColor );

  sineVolumeSlider.setColorBackground( sliderBackgroundColor );

  sineVolumeSlider.setColorForeground( sliderForegroundColor );

  sineVolumeSlider.setColorActive( sliderForegroundColor );

  sineVolumeSlider.setId(7);

  sineVolumeSlider.setValue( 0.5 );

  label = sineVolumeSlider.captionLabel();

  label.set( "sound volume" );

​

  contraryToggle = controlP5.addToggle("contraryToggle",false,screenWidth + barXSpace*4,topOffset+barLength*2+barSpace*2,20,20);

  contraryToggle.setColorValue( sliderForegroundColor );

  contraryToggle.setColorBackground( sliderBackgroundColor );

  contraryToggle.setColorForeground( sliderForegroundColor );

  contraryToggle.setColorActive( sliderBackgroundColor );

  contraryToggle.setId(6);

  label = contraryToggle.captionLabel();

  label.set( "table flip" );

}

​

​

​

//get updates from the controllers

void controlEvent(ControlEvent theEvent) {

  int id = theEvent.controller().id();

​

  if( id == 1 ) //xangle, map to sinex freq

  {

    float freq = map(xAngle, 0, 100, 50, 1600);

    sinex.setFreq(freq);

  }

  if( id == 3 ) //yangle, map to siney freq

  {

    float freq = map(yAngle, 0, 100, 50, 1600);

    siney.setFreq(freq);

  }

  if( id == 5 )

  {

    //wipe trails

    for(int i=0; i<num - 1; i++)

    {  

      mx[i] = 0;

      my[i] = 0;

    }

  }

  if( id == 6 )

  {

    if( rotateContrary == -1 )

    {

      rotateContrary = 1;

    }

    else

    {

      rotateContrary = -1;

    }

  }

  if( id == 7 )

  {

  siney.setAmp( sineVolume );

  sinex.setAmp( sineVolume );

  }

}

​

​

void draw() 

{ 

  background(0);

  controlP5.draw();

  translate( screenWidth / 2, screenHeight / 2 );

​

  strokeWeight(lineWidth);

​

  for(int i=1; i<num; i++)

  {  

    stroke( lineColor, 255.0 / num * i );

    line( mx[i],my[i],mx[i-1],my[i-1]);

    mx[i-1] = mx[i];  

    my[i-1] = my[i];  

  }  

//  println( "xamp: " + xAmp + " yamp: " + yAmp );

//  println( "xangle: " + xAngle + " yangle: " + yAngle );

  mx[num-1] = sin( xangle ) * xAmp + sin( txangle ) *  txAmp; 

  my[num-1] = sin( yangle ) * yAmp + sin( tyangle ) *  tyAmp * rotateContrary;

​

  xangle += xAngle / 500;

  yangle += yAngle / 500;

  txangle += txAngle / 500;

  tyangle += tyAngle / 500;

​

  if( xangle > TWO_PI ) {    xangle -= TWO_PI;   }

  if (yangle > TWO_PI) {     yangle -= TWO_PI;   }

  if( txangle > TWO_PI )  {    txangle -= TWO_PI;  }

  if( tyangle > TWO_PI )  {    tyangle -= TWO_PI;  }

}

​

void stop()

{

  // always close Minim audio classes when you are done with them

  out.close();

  minim.stop();

  super.stop();

}

​

​

​