Facer your fear _ Processing code

gistfile1.txt

import org.openkinect.processing.*;     
import processing.serial.*;
// Kinect Library object
Kinect kinect;
PImage img;
float minThresh = 900;  
float maxThresh = 940;
float mf; 
float sumX = 0;
float sumY = 0;
float totalPixels = 0;
// For Arduino
PImage shadow;
PVector a = new PVector(150, 0);
PVector b = new PVector(0, 150);
float angle;
PVector v1;
PVector v2;
float q;
float len;
float root;
float avgX; 
float avgY;
Serial myPort; 
void setup() { 
  size(1440, 1080);
  kinect = new Kinect(this);
  kinect.initDepth();
  frameRate(30);
  img = createImage(kinect.width, kinect.height, RGB);
  //setup for arduino code
  shadow = loadImage("shadow.png");
  printArray(Serial.list());  // improved function
  String portName = Serial.list()[3]; //change the 0 to a 1 or 2 etc. to match your port
  myPort = new Serial(this, portName, 9600);
}

void draw() {
  background(0);
  img.loadPixels();
  sumX = 0; 
  sumY = 0;
  totalPixels = 0;
  // Get the raw depth as array of integers
  int[] depth = kinect.getRawDepth(); 
  for (int x = 0; x < kinect.width; x++) {
    for (int y = 0; y < kinect.height; y++) {
      int offset = x + y * kinect.width;
      int d = depth[offset];
      if (d>minThresh && d<maxThresh) {
        img.pixels[offset] = color(0);
        sumX += x;
        sumY += y;
        totalPixels ++;
      } else {
        img.pixels[offset] = color(0);
      }
    }
    img.updatePixels();


    avgX = sumX/ totalPixels;
    avgY = sumY/ totalPixels;
    avgX = 2.25 *avgX;
    avgY = 2.25 *avgY;

    fill(255);

  }
  image(img, 0, 0); 
  // draw loop for arduino
  pushMatrix();
  fill(255);
 
  translate(width/2, height/2);
   ellipse(0,0,190,190);
  fill(255);
  noStroke();
  line(0, 0, a.x, a.y);
  line(0, 0, b.x, b.y);
  b.set(avgX-width/2, avgY-height/2, 0);
  //float calculatedAngle = angle(a, b);
  float ang = atan2(b.y, b.x) - atan2(a.y, a.x);
  if (ang < 0) ang += TWO_PI;
  text(int(degrees(ang)), 0, 0);
  q = degrees(ang);
  myPort.write(int(q)/4);
  popMatrix();
  translate(width/2, height/2);
  rotate(radians(q+90));
  len = sq(avgX-(width/2)) + sq(avgY-(height/2));
  root = sqrt(len);
  image(shadow, -120, 0, 240, 1.2 * root);

  println(frameRate);
}