Kinect-Library-for-Processing/User.pde at master · camiloNemocon/Kinect-Library-for-Processing · GitHub

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/* --------------------------------------------------------------------------
 * 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();

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(1);
      beginShape(LINES);
        vertex(com2d.x,com2d.y - 5);
        vertex(com2d.x,com2d.y + 5);

        vertex(com2d.x - 5,com2d.y);
        vertex(com2d.x + 5,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.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;
  }
}