public void draw() {
image(webcam, 0, 0);
stroke(0xffFF0000);
strokeWeight(3);
cv.loadImage(webcam);
Rectangle[] faces = cv.detect();
for (int i = 0; i < faces.length; i++) {
rect(faces[i].x, faces[i].y, faces[i].width, faces[i].height);
}
}
