https://gist.github.com/2965183 の骨格表示を点から棒人間に変更したバージョン

simpleOpenNIStudy2.pde

import processing.opengl.*;
import SimpleOpenNI.*;

SimpleOpenNI context;

void setup(){
  //初期化
  context=new SimpleOpenNI(this);
  context.setMirror(true);
  if(!context.enableDepth()){
    println("ERROR!!!!!");
    exit();
    return;
  }
  context.enableUser(SimpleOpenNI.SKEL_PROFILE_ALL);
  size(context.depthWidth(),context.depthHeight());//なぜか第3引数をOPENGLにして呼ぶと落ちる
  smooth();
  strokeWeight(5);
  stroke(0,0,0);
}

void draw(){
  background(255);
  context.update();
  //image(context.depthImage(),0,0);
  int[] users=context.getUsers();
  for(int i=0;i<users.length;i++)
    //トラッキング中のスケルトンだったら
    if(context.isTrackingSkeleton(users[i]))
      //骨格の各部分を描画
      drawSkeleton(users[i]);
}

void drawSkeleton(int id){
  //配列に全部ぶち込んでアレする
  int[] joints={
    SimpleOpenNI.SKEL_HEAD,
    SimpleOpenNI.SKEL_NECK,

    SimpleOpenNI.SKEL_NECK,
    SimpleOpenNI.SKEL_LEFT_SHOULDER,
    SimpleOpenNI.SKEL_LEFT_SHOULDER,
    SimpleOpenNI.SKEL_LEFT_ELBOW,
    SimpleOpenNI.SKEL_LEFT_ELBOW,
    SimpleOpenNI.SKEL_LEFT_HAND,

    SimpleOpenNI.SKEL_NECK,
    SimpleOpenNI.SKEL_RIGHT_SHOULDER,
    SimpleOpenNI.SKEL_RIGHT_SHOULDER,
    SimpleOpenNI.SKEL_RIGHT_ELBOW,
    SimpleOpenNI.SKEL_RIGHT_ELBOW,
    SimpleOpenNI.SKEL_RIGHT_HAND,

    SimpleOpenNI.SKEL_NECK,
    SimpleOpenNI.SKEL_TORSO,

    SimpleOpenNI.SKEL_TORSO,
    SimpleOpenNI.SKEL_LEFT_HIP,
    SimpleOpenNI.SKEL_LEFT_HIP,
    SimpleOpenNI.SKEL_LEFT_KNEE,
    SimpleOpenNI.SKEL_LEFT_KNEE,
    SimpleOpenNI.SKEL_LEFT_FOOT,

    SimpleOpenNI.SKEL_TORSO,
    SimpleOpenNI.SKEL_RIGHT_HIP,
    SimpleOpenNI.SKEL_RIGHT_HIP,
    SimpleOpenNI.SKEL_RIGHT_KNEE,
    SimpleOpenNI.SKEL_RIGHT_KNEE,
    SimpleOpenNI.SKEL_RIGHT_FOOT
  };
  for(int i=0;i<joints.length;i+=2){
    PVector worldVector1=new PVector(),projVector1=new PVector(),worldVector2=new PVector(),projVector2=new PVector();
    context.getJointPositionSkeleton(id,joints[i],worldVector1);
    context.getJointPositionSkeleton(id,joints[i+1],worldVector2);
    //実世界座標から投影座標に変換
    context.convertRealWorldToProjective(worldVector1,projVector1);
    context.convertRealWorldToProjective(worldVector2,projVector2);
    line(projVector1.x,projVector1.y,projVector2.x,projVector2.y);
  }
}

void onNewUser(int id){
  context.requestCalibrationSkeleton(id,true);
}

void onEndCalibration(int id,boolean successfull){
  if(successfull) context.startTrackingSkeleton(id);
  else context.startPoseDetection("Psi",id);
}

void onStartPose(String pose,int id){
  context.stopPoseDetection(id); 
  context.requestCalibrationSkeleton(id,true);
}