week12 02160120 黃冠中 黃冠瑜

import SimpleOpenNI.*;
SimpleOpenNI openni;
void setup(){
size(600,400);
openni = new SimpleOpenNI(this);
openni.enableDepth();
openni.enableUser();
}
void draw(){
openni.update();
image(openni.userImage(),0,0,600,400);
int []userList = openni.getUsers();
PVector pos = new PVector(0,0,0);
for(int userID: userList){
  openni.getJointPositionSkeleton(userID, SimpleOpenNI.SKEL_HEAD,pos);
  openni.convertRealWorldToProjective(pos,pos);
  ellipse(pos.x,pos.y,50,50);
  openni.getJointPositionSkeleton(userID, SimpleOpenNI.SKEL_RIGHT_HAND,pos);
  openni.convertRealWorldToProjective(pos,pos);
  ellipse(pos.x,pos.y,50,50);
  openni.getJointPositionSkeleton(userID, SimpleOpenNI.SKEL_LEFT_HAND,pos);
  openni.convertRealWorldToProjective(pos,pos);
  ellipse(pos.x,pos.y,50,50);

}
}
void onNewUser(SimpleOpenNI curContext,int userID){
  openni.startTrackingSkeleton(userID);
}


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