void Vehicle::_matchExistingFrameBlobwWithCurrentFrameBlob(vector <Blob> &existingBlob, vector <Blob> ¤tBlob)
{
for (int i = 0; i < existingBlob.size(); i++) {
//add some boolean
existingBlob[i].blnCurrentMatchFoundOrNewBlob = false;
existingBlob[i].predictNextPosition();
}
for (int i = 0; i < currentBlob.size(); i++) {
int indexOfMinDist = 0;
double minDist = 10000.0;
for (unsigned int i = 0; i < existingBlob.size(); i++) {
if (existingBlob[i].existingStillBeingTracked == true) {
double distance = distanceBetweenPoints(currentBlob[i].centerPositions.back(), existingBlob[i].predictedNextPosition);
if (distance < minDist) {
minDist = distance;
indexOfMinDist = i;
}
}
}
if (minDist < currentBlob[i].DiagonalSize*1.15) {
addBlobToExistingBlobs(currentBlob[i],existingBlob,indexOfMinDist);
}
else {
addNewBlob(currentBlob[i], existingBlob);
}
}
for (int i = 0; i < existingBlob.size(); i++) {
if (existingBlob[i].blnCurrentMatchFoundOrNewBlob == false) {
existingBlob[i].intNumOfConsecutiveFramesWithoutAMatch++;
}
if (existingBlob[i].intNumOfConsecutiveFramesWithoutAMatch >= 5) {
existingBlob[i].existingStillBeingTracked = false;
}
}
}
//--------------------------------------------------------------
void testApp::setup(){
oclx1 = ofGetWidth()* 4/16;
oclx2 = ofGetWidth()*11/16;
oclw = ofGetWidth() /16;
ofBackground(0);
ofEnableAlphaBlending();
ofSetCircleResolution(36);
ofSetFrameRate(5);
nextStep = false;
stepByStep = false;
for(int i=0; i<5; i++) addNewBlob();
}
//--------------------------------------------------------------
void testApp::update(){
if(stepByStep && !nextStep) return;
if(!B.size() || (B.size() < 10 && ofRandom(0.0, 100.0) > 99.5))
addNewBlob();
// random kill first
if(B.size() >= 5 && ofRandom(0.0, 100.0) > 99.5) {
B.erase(B.begin());
T.erase(T.begin());
}
for (int i=0; i<B.size(); i++) {
ofPoint& bc = B[i].center;
ofPoint D = T[i]-bc;
D.normalize();
float v = 50.0;
B[i].velocity += (D*v-B[i].velocity)/100.0;
B[i].center += B[i].velocity;
B[i].rect.setFromCenter(B[i].center, B[i].rect.width, B[i].rect.height);
T[i].x +=B[i].velocity.y*v/200.0;
T[i].y -=B[i].velocity.x*v/200.0;
if(ofRandom(0.0, 100.0) > 99.85)
T[i] = ofPoint( ofRandom(ofGetWidth()), ofRandom(ofGetHeight()));
}
vector<Face> b;
// occlude blobs
for (int i=0; i< B.size(); i++) {
float x = B[i].center.x;
if((x<oclx1 || x>oclx1+oclw) && (x<oclx2 || x>oclx2+oclw)) {
b.push_back(B[i]);
}
}
random_shuffle(b.begin(), b.end());
tracker.trackFaces(b);
nextStep = false;
}