ChucK -> Processing communication demo

sight.pde

import oscP5.*;
import netP5.*;

PGraphics pg;
OscP5 oscP5;
NetAddress inbound;
float minFreq = 140;
float maxFreq = 1600;
float[] notes;

void setup() {
  size(800, 600);
  oscP5 = new OscP5(this, 9000);
  oscP5.plug(this, "getNote", "/noteOn");
  background(0);
  pg = createGraphics(width, height, JAVA2D);
}

void draw() {
}

void oscEvent(OscMessage m) {
  if(!m.isPlugged()){
    println("unknown message received at " + m.addrPattern() + " with type " + m.typetag());
  }
}

public void getNote(float freq, float pan) {
  float x = map(pan, -1.0, 1.0, 0, width);
  float y = map(freq, 140, 1600, 0, height);
  pg.beginDraw();
  pg.background(0);
  pg.stroke(255);
  pg.strokeWeight(4);
  pg.ellipse(x, y, 20, 20);
  pg.endDraw();
  image(pg, 0, 0);
}

sound.ck

SinOsc s => ADSR e => Pan2 pan => dac;
OscSend toUI;
toUI.setHost("localhost", 9000);
100::ms => e.attackTime;
100::ms => e.releaseTime;
e.keyOff();

140 => float minFreq;
1600 => float maxFreq;

fun void playNote(float f) {
    Std.rand2f(-1, 1) => float p;
    p => pan.pan;
    f => s.freq;
    e.keyOn();
    f => toUI.addFloat;
    p => toUI.addFloat;
    toUI.startMsg("/noteOn", "ff");
    100::ms => now;
    e.keyOff();
    100::ms => now;
}

while (1) {
    playNote(Math.rand2f(minFreq, maxFreq));
}