commit d89cb0ed8a622a405476bc5a56b372d7c0273f75
Author: James Devine <devine.jd@gmail.com>
Date:   Wed Jun 27 21:35:00 2018 +0200

diff --git a/skelworking.pde b/skelworking.pde
new file mode 100644
index 0000000..5df5799
--- /dev/null
+++ b/skelworking.pde
@@ -0,0 +1,223 @@
+/* --------------------------------------------------------------------------
+ * SimpleOpenNI User Test
+ * --------------------------------------------------------------------------
+ * Processing Wrapper for the OpenNI/Kinect 2 library
+ * http://code.google.com/p/simple-openni
+ * --------------------------------------------------------------------------
+ * prog:  Max Rheiner / Interaction Design / Zhdk / http://iad.zhdk.ch/
+ * date:  12/12/2012 (m/d/y)
+ * ----------------------------------------------------------------------------
+ */
+
+import SimpleOpenNI.*;
+
+SimpleOpenNI  context;
+color[]       userClr = new color[]{ color(255,0,0),
+                                     color(0,255,0),
+                                     color(0,0,255),
+                                     color(255,255,0),
+                                     color(255,0,255),
+                                     color(0,255,255)
+                                   };
+PVector com = new PVector();                                   
+PVector com2d = new PVector();                                   
+PVector v1 = new PVector();
+PVector v2d = new PVector();
+float dontcare;
+
+void setup()
+{
+  size(640,480);
+  
+  context = new SimpleOpenNI(this);
+  if(context.isInit() == false)
+  {
+     println("Can't init SimpleOpenNI, maybe the camera is not connected!"); 
+     exit();
+     return;  
+  }
+  
+  // enable depthMap generation 
+  context.enableDepth();
+   
+  // enable skeleton generation for all joints
+  context.enableUser();
+ 
+  background(200,0,0);
+
+  stroke(0,0,255);
+  strokeWeight(3);
+  smooth();  
+}
+
+void draw()
+{
+  // update the cam
+  context.update();
+  
+  // draw depthImageMap
+  //image(context.depthImage(),0,0);
+  image(context.userImage(),0,0);
+  
+  // draw the skeleton if it's available
+  int[] userList = context.getUsers();
+  for(int i=0;i<userList.length;i++)
+  {
+    if(context.isTrackingSkeleton(userList[i]))
+    {
+      stroke(userClr[ (userList[i] - 1) % userClr.length ] );
+      drawSkeleton(userList[i]);
+    }      
+      
+    // draw the center of mass
+    if(context.getCoM(userList[i],com))
+    {
+      context.convertRealWorldToProjective(com,com2d);
+      stroke(100,255,0);
+      strokeWeight(10);
+      beginShape(LINES);
+        vertex(com2d.x,com2d.y);
+        vertex(com2d.x,com2d.y);
+
+        vertex(com2d.x,com2d.y);
+        vertex(com2d.x,com2d.y);
+        
+      endShape();
+      fill(0,255,100);
+      text(Integer.toString(userList[i]),com2d.x,com2d.y);
+    }
+  }    
+}
+
+// draw the skeleton with the selected joints
+void drawSkeleton(int userId)
+{
+  // to get the 3d joint data
+  /*
+  PVector jointPos = new PVector();
+  context.getJointPositionSkeleton(userId,SimpleOpenNI.SKEL_NECK,jointPos);
+  println(jointPos);
+  */
+  
+  //context.drawLimb(userId, SimpleOpenNI.SKEL_HEAD, SimpleOpenNI.SKEL_NECK);
+
+  //context.drawLimb(userId, SimpleOpenNI.SKEL_NECK, SimpleOpenNI.SKEL_LEFT_SHOULDER);
+  //context.drawLimb(userId, SimpleOpenNI.SKEL_LEFT_SHOULDER, SimpleOpenNI.SKEL_LEFT_ELBOW);
+  //context.drawLimb(userId, SimpleOpenNI.SKEL_LEFT_ELBOW, SimpleOpenNI.SKEL_LEFT_HAND);
+  
+  context.getCoM(userId,v1);
+  context.convertRealWorldToProjective(v1,v2d);
+  print("CoM ");
+  print(v2d.x);
+  print(' ');
+  print(v2d.y);
+  fill(0,0,0);
+  stroke(255,255,255);
+  strokeWeight(1);
+  rect(v2d.x, v2d.y, 5, 5);
+  context.getJointPositionSkeleton(userId, SimpleOpenNI.SKEL_LEFT_HAND, v1);
+  context.convertRealWorldToProjective(v1,v2d);
+  print(" Left hand ");
+  print(v2d.x);
+  print(' ');
+  print(v2d.y);
+  fill(0,0,0);
+  stroke(255,255,255);
+  strokeWeight(10);
+  rect(v2d.x, v2d.y, 5, 5);
+  context.getJointPositionSkeleton(userId, SimpleOpenNI.SKEL_LEFT_ELBOW, v1);
+  context.convertRealWorldToProjective(v1,v2d);
+  print(" Left elbow ");
+  print(v2d.x);
+  print(' ');
+  print(v2d.y);
+  fill(0,0,0);
+  stroke(255,255,255);
+  strokeWeight(10);
+  rect(v2d.x, v2d.y, 5, 5);
+  context.getJointPositionSkeleton(userId, SimpleOpenNI.SKEL_LEFT_SHOULDER, v1);
+  context.convertRealWorldToProjective(v1,v2d);
+  print(" Left shoulder ");
+  print(v2d.x);
+  print(' ');
+  print(v2d.y);
+  fill(0,0,0);
+  stroke(255,255,255);
+  strokeWeight(10);
+  rect(v2d.x, v2d.y, 5, 5);  
+  context.getJointPositionSkeleton(userId, SimpleOpenNI.SKEL_RIGHT_HAND, v1);
+  context.convertRealWorldToProjective(v1,v2d);
+  print(" Right hand ");
+  print(v2d.x);
+  print(' ');
+  print(v2d.y);
+  fill(255,0,0);
+  rect(v2d.x, v2d.y, 5, 5);
+   context.getJointPositionSkeleton(userId, SimpleOpenNI.SKEL_RIGHT_ELBOW, v1);
+  context.convertRealWorldToProjective(v1,v2d);
+  print(" right elbow ");
+  print(v2d.x);
+  print(' ');
+  print(v2d.y);
+  fill(0,0,0);
+  stroke(255,255,255);
+  strokeWeight(10);
+  rect(v2d.x, v2d.y, 5, 5);    
+   context.getJointPositionSkeleton(userId, SimpleOpenNI.SKEL_RIGHT_SHOULDER, v1);
+  context.convertRealWorldToProjective(v1,v2d);
+  print(" right shoulder ");
+  print(v2d.x);
+  print(' ');
+  println(v2d.y);
+  fill(0,0,0);
+  stroke(255,255,255);
+  strokeWeight(10);
+  rect(v2d.x, v2d.y, 5, 5);
+  
+  //context.drawLimb(userId, SimpleOpenNI.SKEL_NECK, SimpleOpenNI.SKEL_RIGHT_SHOULDER);
+  //context.drawLimb(userId, SimpleOpenNI.SKEL_RIGHT_SHOULDER, SimpleOpenNI.SKEL_RIGHT_ELBOW);
+  //context.drawLimb(userId, SimpleOpenNI.SKEL_RIGHT_ELBOW, SimpleOpenNI.SKEL_RIGHT_HAND);
+
+  //context.drawLimb(userId, SimpleOpenNI.SKEL_LEFT_SHOULDER, SimpleOpenNI.SKEL_TORSO);
+  //context.drawLimb(userId, SimpleOpenNI.SKEL_RIGHT_SHOULDER, SimpleOpenNI.SKEL_TORSO);
+
+  //context.drawLimb(userId, SimpleOpenNI.SKEL_TORSO, SimpleOpenNI.SKEL_LEFT_HIP);
+  //context.drawLimb(userId, SimpleOpenNI.SKEL_LEFT_HIP, SimpleOpenNI.SKEL_LEFT_KNEE);
+  //context.drawLimb(userId, SimpleOpenNI.SKEL_LEFT_KNEE, SimpleOpenNI.SKEL_LEFT_FOOT);
+
+  //context.drawLimb(userId, SimpleOpenNI.SKEL_TORSO, SimpleOpenNI.SKEL_RIGHT_HIP);
+  //context.drawLimb(userId, SimpleOpenNI.SKEL_RIGHT_HIP, SimpleOpenNI.SKEL_RIGHT_KNEE);
+  //context.drawLimb(userId, SimpleOpenNI.SKEL_RIGHT_KNEE, SimpleOpenNI.SKEL_RIGHT_FOOT);  
+}
+
+// -----------------------------------------------------------------
+// SimpleOpenNI events
+
+void onNewUser(SimpleOpenNI curContext, int userId)
+{
+  println("onNewUser - userId: " + userId);
+  println("\tstart tracking skeleton");
+  
+  curContext.startTrackingSkeleton(userId);
+}
+
+void onLostUser(SimpleOpenNI curContext, int userId)
+{
+  println("onLostUser - userId: " + userId);
+}
+
+void onVisibleUser(SimpleOpenNI curContext, int userId)
+{
+  //println("onVisibleUser - userId: " + userId);
+}
+
+
+void keyPressed()
+{
+  switch(key)
+  {
+  case ' ':
+    context.setMirror(!context.mirror());
+    break;
+  }
+}