void updateContours() {
contours.setMinAreaRadius(minAreaRadius);
contours.setSortBySize(true);
contours.findContours(dilated);
int n = contours.size();
if(n > 0) {
cv::Rect all = contours.getBoundingRect(0);
for(int i = 1; i < n; i++) {
all |= contours.getBoundingRect(i);
}
bodyCenter.interpolate(toOf(all).getCenter(), bodyCenterSmoothing);
}
}
void myBlobManager::update (ofxCv::ContourFinder contourFinder) {
blobs.clear();
for(int i = 0; i < contourFinder.size(); i++) {
ofPoint center = toOf(contourFinder.getCenter(i));
blobs.push_back(ofxCvBlob());
blobs[i].area = contourFinder.getContourArea(i);
blobs[i].length = contourFinder.getArcLength(i);
blobs[i].boundingRect = toOf( contourFinder.getBoundingRect(i));
blobs[i].centroid = center;
vector<cv::Point> blobPoints = contourFinder.getContour(i);
for(int j = 0; j < blobPoints.size(); j++) {
blobs[i].pts.push_back( toOf(blobPoints[j]));
}
blobs[i].nPts = blobs[i].pts.size();
}
blobsManager.update(blobs);
}
void draw() {
ofBackground(0);
ofPushMatrix();
ofPushStyle();
float scaleFactor = ofGetHeight() / (float) MAX(1, video.getHeight());
ofScale(scaleFactor, scaleFactor);
ofTranslate(0, -verticalOffset);
float totalStability = ofClamp(ofMap(smoothedMotionValue, motionMin, motionMax, 0, stability), 0, 1);
int n = contours.size();
for(int i = 0; i < n; i++) {
cv::Rect cur = contours.getBoundingRect(i);
float w = cur.width, h = cur.height;
float sx = cur.x, sy = cur.y;
buffer.begin();
ofDisableBlendMode();
// clear buffer area
ofClear(0, 0);
// draw filled shape (could blur here)
ofPushMatrix();
ofSetColor(255);
ofFill();
ofBeginShape();
vector<cv::Point>& vertices = contours.getContour(i);
for(int j = 0; j < vertices.size(); j++) {
ofVertex(vertices[j].x, vertices[j].y);
}
ofEndShape();
ofPopMatrix();
// draw body image
ofEnableBlendMode(OF_BLENDMODE_MULTIPLY);
ofSetColor(255);
video.getTexture().drawSubsection(sx, sy, w, h, sx, sy);
buffer.end();
ofEnableBlendMode(OF_BLENDMODE_ALPHA);
ofPushMatrix();
ofVec2f center = toOf(contours.getCenter(i));
ofVec2f offset = center - bodyCenter;
float orientation = atan2f(offset.y, offset.x);
float spread = totalStability * spreadAmplitude;
ofVec2f position = bodyCenter + offset + ofVec2f(offset.x, 0) * spread;
float id = orientation; //contours.getLabel(i) % 3;
float baseRotation = rotationRate * ofGetElapsedTimef() + id;
float rotation = ofLerp(sin(baseRotation), ofSignedNoise(baseRotation), rotationNoise);
rotation *= rotationAmplitude * totalStability;
float baseScale = scaleRate * ofGetElapsedTimef() + id;
float scale = 1 + scaleAmplitude * ofLerp(sin(baseScale), ofSignedNoise(baseScale), scaleNoise) * totalStability;
ofPushStyle();
ofSetColor(tintRed, tintGreen, tintBlue);
ofTranslate(position);
for(int j = 0; j < repetitionSteps; j++) {
ofPushMatrix();
float rotationAmount = ofMap(j, -1, repetitionSteps, 0, rotation);
ofRotate(rotationAmount);
// ofVec3f axis(0, 0, 1);
// ofRotate(rotationAmount, axis.x, axis.y, axis.z);
float curScale = ofMap(j, -1, repetitionSteps, 1, scale);
ofScale(curScale, curScale, curScale);
buffer.getTextureReference().drawSubsection(-w / 2, -h / 2, 0, w, h, sx, sy);
ofPopMatrix();
}
ofPopStyle();
if(debug) {
ofDrawBitmapStringHighlight(ofToString(contours.getLabel(i)), 0, 0);
}
ofPopMatrix();
}
ofPopStyle();
ofPopMatrix();
ofEnableAlphaBlending();
if(debug) {
ofPushStyle();
ofSetColor(255);
ofNoFill();
ofSetLineWidth(2);
ofDrawRectangle(0, 0, video.getWidth(), video.getHeight());
video.draw(0, 0);
ofPopStyle();
ofPushStyle();
ofEnableBlendMode(OF_BLENDMODE_ADD);
ofPushMatrix();
ofScale(1 / rescale, 1 / rescale);
drawMat(thresholdedRunning, 0, 0);
ofPopMatrix();
ofSetColor(magentaPrint, 10);
drawMat(thresholded, 0, 0);
ofSetLineWidth(3);
for(int i = 0; i < n; i++) {
ofSetColor(255);
contours.getPolyline(i).draw();
}
ofNoFill();
ofSetColor(cyanPrint);
ofCircle(bodyCenter, 10);
ofPopStyle();
#ifndef USE_VIDEO
if(video.isLiveDataReady()) {
stringstream status;
status << video.getWidth() << "x" << video.getHeight() << " @ " <<
(int) ofGetFrameRate() << " app-fps " << " / " <<
(int) video.getFrameRate() << " cam-fps";
ofDrawBitmapString(status.str(), 10, ofGetHeight() - 40);
}
#endif
}
}