TouchOSC to Fadecandy via Processing

TouchOSCxyPad2FC

/**
 * TouchOSCxyPad to Fadecandy Dot Example
 * 
 * TouchOSC Example displaying values received from
 * the "Simple" layout (Page3) xyPad
 * By Mike Cook
 * http://www.thebox.myzen.co.uk
 *
 * Fadecandy Adaptation by Dave Pentecost
 */

//Setup OSC Libraries
import oscP5.*;
import netP5.*;
OscP5 oscP5;

//Setup Fadecandy (Make sure OPC routines are in a second tab)
OPC opc;
PImage dot;

//TouchOSC display recreation variables
boolean xyPadNeedsRedraw = true;
float xPad = 120, yPad = 120; 
int [] xyPadStrip = new int [5];

void setup() {
  size(290,360);
  frameRate(25);
  background(0);
  /* start oscP5, listening for incoming messages at port 8000 */
  oscP5 = new OscP5(this,8000);
  
  //Okay, now Fadecandy
 // Load a sample image - Make sure it is in data folder for this sketch
  dot = loadImage("dot.png");

  // Connect to the local instance of fcserver
  opc = new OPC(this, "127.0.0.1", 7890);

  // Map an 8x8 grid of LEDs to the center of the window
  opc.ledGrid8x8(0, width/2, height/2, height / 12.0, 0, false);
}

void oscEvent(OscMessage theOscMessage) {
    String addr = theOscMessage.addrPattern();     
 //   println(addr);   // uncomment for seeing the raw message
    
    if(addr.indexOf("/3/xy") !=-1){ // the 8 X Y area
    xPad =  (theOscMessage.get(0).floatValue());
    yPad =  (theOscMessage.get(1).floatValue());
//    println(" x = "+xPad+" y = "+yPad);  // uncomment to see x & Y values
    xyPadNeedsRedraw = true;
    }
    
   
// Mike has code to listen for other OSC messages in other examples
}

void draw() {
   background(0);
  
   int x1 =  int(xPad*240)+15;
   int y1 =  int(yPad*240)+15;
   float dotSize = height * 0.4;
   image(dot, x1 - dotSize/2, y1 - dotSize/2, dotSize, dotSize);
 
}

This is a first stab at TouchOSC control of Fadecandy, in this case for an 8X8 neopixel grid. Note that you will need the OPC file in another tab of this sketch, and will need FC server running. You can find these at https://github.com/scanlime