--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/front_processing/src/Interaction_examples/Hand_signal/Hand_signal.pde	Thu Mar 22 16:00:17 2012 +0100
@@ -0,0 +1,81 @@
+/*
+* This file is part of the TraKERS\Front Processing package.
+*
+* (c) IRI <http://www.iri.centrepompidou.fr/>
+*
+* For the full copyright and license information, please view the LICENSE_FRONT
+* file that was distributed with this source code.
+*/
+
+/*Exemple tiré de processing.org*/
+
+import TUIO.*;
+TuioProcessing tuioClient;
+int port = 80;
+//Taille de la fenêtre
+int WIDTH = 640, HEIGHT = 480;
+
+float minDistHands = 1, maxDistHands = 1.5;
+//Distance de "click" minimum/maximum avec la main.
+float minClickHand = minDistHands+0.2, maxClickHand = maxDistHands-0.2;
+//Définit les coordonnées de la main la plus proche et si elle a cliqué (se trouve dans une certaine zone du champ d'intéraction).
+int X, Y;
+boolean clicked;
+
+int[] xvals;
+int[] yvals;
+int[] bvals;
+
+void setup() 
+{
+  size(WIDTH, HEIGHT);
+  tuioClient = new TuioProcessing(this, port);
+  xvals = new int[width];
+  yvals = new int[width];
+  bvals = new int[width];
+}
+
+int arrayindex = 0;
+
+void draw()
+{
+  tuioInput();
+  background(102);
+  
+  for(int i=1; i<width; i++) { 
+    xvals[i-1] = xvals[i]; 
+    yvals[i-1] = yvals[i];
+    bvals[i-1] = bvals[i];
+  } 
+  // Add the new values to the end of the array 
+  xvals[width-1] = X; 
+  yvals[width-1] = Y;
+  if(clicked) {
+    bvals[width-1] = 0;
+  } else {
+    bvals[width-1] = 255;
+  }
+  
+  fill(255);
+  noStroke();
+  rect(0, height/3, width, height/3+1);
+
+  for(int i=1; i<width; i++) {
+    stroke(255);
+    point(i, xvals[i]/3);
+    stroke(0);
+    point(i, height/3+yvals[i]/3);
+    stroke(255);
+    line(i, 2*height/3+bvals[i]/3, i, (2*height/3+bvals[i-1]/3));
+  }
+}
+
+/*MET A JOUR X et Y
+Entrée : Les positions d'un point 2D
+Sortie : Met à jour X et Y et si la main a "clické"*/
+void update(int x, int y, boolean click)
+{
+  X = x;
+  Y = y;
+  clicked = click;
+}