//----------------------------------------
void ofxOpenNITracker::update(){
vector<XnUserID> userIds(MAX_NUMBER_USERS);
XnUInt16 nUsers = userIds.size();
xn::UserGenerator& user_generator = openNI->getUserGenerator();
user_generator.GetUsers(&userIds[0], nUsers);
userIds.resize(nUsers);
unsigned int stateHasMask = (ofxOpenNIUser::Found |
ofxOpenNIUser::NeedsPose |
ofxOpenNIUser::Calibrating |
ofxOpenNIUser::StartTracking |
ofxOpenNIUser::Tracking );
for(int i = 0; i < nUsers; ++i) {
unsigned int nID = userIds[i];
ofxOpenNIUser& user = users[nID];
if((user.state & stateHasMask)) {
user.id = nID;
XnPoint3D center;
user_generator.GetCoM(nID, center);
user.center = toOf(center);
if (usePointClouds) updatePointClouds(user);
if (useMaskPixels) updateUserPixels(user);
}
if(user.state & ofxOpenNIUser::HasSkeleton) {
for(int j=0;j<ofxOpenNIUser::NumLimbs;j++){
XnSkeletonJointPosition a,b;
user_generator.GetSkeletonCap().GetSkeletonJointPosition(nID, user.limbs[j].start_joint, a);
user_generator.GetSkeletonCap().GetSkeletonJointPosition(nID, user.limbs[j].end_joint, b);
user_generator.GetSkeletonCap().GetSkeletonJointOrientation(nID, user.limbs[j].start_joint, user.limbs[j].orientation);
if(a.fConfidence < 0.3f || b.fConfidence < 0.3f) {
user.limbs[j].found = false;
continue;
}
user.limbs[j].found = true;
user.limbs[j].begin = openNI->worldToProjective(a.position);
user.limbs[j].end = openNI->worldToProjective(b.position);
user.limbs[j].worldBegin = toOf(a.position);
user.limbs[j].worldEnd = toOf(b.position);
}
}
}
map<XnUserID, ofxOpenNIUser>::iterator it;
for(it=users.begin();it!=users.end();it++){
if(std::find(userIds.begin(), userIds.end(), it->first)==userIds.end()){
users.erase(it);
}
}
}
//----------------------------------------
void ofxOpenNITracker::update(){
vector<XnUserID> users(MAX_NUMBER_USERS);
XnUInt16 max_users = MAX_NUMBER_USERS;
user_generator.GetUsers(&users[0], max_users);
set<XnUserID> current_tracked_users;
for(int i = 0; i < MAX_NUMBER_USERS; ++i) {
if(user_generator.GetSkeletonCap().IsTracking(users[i])) {
ofxOpenNIUser & user = tracked_users[users[i]];
user.id = users[i];
XnPoint3D center;
user_generator.GetCoM(users[i], center);
user.center = toOf(center);
for(int j=0;j<ofxOpenNIUser::NumLimbs;j++){
XnSkeletonJointPosition a,b;
user_generator.GetSkeletonCap().GetSkeletonJointPosition(user.id, user.limbs[j].start_joint, a);
user_generator.GetSkeletonCap().GetSkeletonJointPosition(user.id, user.limbs[j].end_joint, b);
user_generator.GetSkeletonCap().GetSkeletonJointOrientation(user.id,user.limbs[j].start_joint, user.limbs[j].orientation);
if(a.fConfidence < 0.3f || b.fConfidence < 0.3f) {
user.limbs[j].found = false;
continue;
}
user.limbs[j].found = true;
user.limbs[j].begin = openNI->worldToProjective(a.position);
user.limbs[j].end = openNI->worldToProjective(b.position);
user.limbs[j].worldBegin = toOf(a.position);
user.limbs[j].worldEnd = toOf(b.position);
}
if (usePointClouds) updatePointClouds(user);
if (useMaskPixels) updateUserPixels(user);
current_tracked_users.insert(user.id);
}
}
set<XnUserID>::iterator it;
for(it=prev_tracked_users.begin();it!=prev_tracked_users.end();it++){
if(current_tracked_users.find(*it)==current_tracked_users.end()){
tracked_users.erase(*it);
}
}
prev_tracked_users = current_tracked_users;
tracked_users_index.assign(prev_tracked_users.begin(),prev_tracked_users.end());
//if (useMaskPixels) updateUserPixels();
}
// Update the tracked users, should be called each frame
//----------------------------------------
void ofxUserGenerator::update() {
found_users = MAX_NUMBER_USERS;
XnUserID* users = new XnUserID[MAX_NUMBER_USERS];
user_generator.GetUsers(users, found_users);
for(int i = 0; i < found_users; ++i) {
if(user_generator.GetSkeletonCap().IsTracking(users[i])) {
tracked_users[i]->id = users[i];
tracked_users[i]->updateBonePositions();
}
}
delete [] users;
if (useMaskPixels) updateUserPixels();
if (useCloudPoints) updateCloudPoints();
}
// Update the tracked users, should be called each frame
//----------------------------------------
void ofxUserGenerator::update() {
found_users = max_num_users;
XnUserID* users = new XnUserID[max_num_users];
user_generator.GetUsers(users, found_users);
for(int i = 0; i < found_users; ++i) {
if(user_generator.GetSkeletonCap().IsTracking(users[i])) {
tracked_users[i]->id = users[i];
user_generator.GetCoM(users[i], tracked_users[i]->center);
tracked_users[i]->skeletonTracking = user_generator.GetSkeletonCap().IsTracking(users[i]);
tracked_users[i]->skeletonCalibrating = user_generator.GetSkeletonCap().IsCalibrating(users[i]);
tracked_users[i]->skeletonCalibrated = user_generator.GetSkeletonCap().IsCalibrated(users[i]);
if(tracked_users[i]->skeletonTracking) tracked_users[i]->updateBonePositions();
}
}
delete [] users;
if (useMaskPixels) updateUserPixels();
if (useCloudPoints) updateCloudPoints();
}
