TouchEvent::TouchEvent(int id, Type eventType, BlobPtr pBlob, const IntPoint& pos,
Source source, const glm::vec2& speed)
: CursorEvent(id, eventType, pos, source),
m_pBlob(pBlob),
m_bHasHandOrientation(false)
{
setSpeed(speed);
if (pBlob) {
m_Orientation = pBlob->getOrientation();
m_Area = pBlob->getArea();
m_Center = pBlob->getCenter();
m_Eccentricity = pBlob->getEccentricity();
const glm::vec2& axis0 = m_pBlob->getScaledBasis(0);
const glm::vec2& axis1 = m_pBlob->getScaledBasis(1);
if (glm::length(axis0) > glm::length(axis1)) {
m_MajorAxis = axis0;
m_MinorAxis = axis1;
} else {
m_MajorAxis = axis1;
m_MinorAxis = axis0;
}
} else {
m_Orientation = 0;
m_Area = 20;
m_Center = glm::vec2(0, 0);
m_Eccentricity = 0;
m_MajorAxis = glm::vec2(5, 0);
m_MinorAxis = glm::vec2(0, 5);
}
}
void TrackerThread::correlateHands(BlobVectorPtr pTrackBlobs, BlobVectorPtr pTouchBlobs)
{
if (!pTrackBlobs || !pTouchBlobs) {
return;
}
for (BlobVector::iterator it1 = pTouchBlobs->begin(); it1 != pTouchBlobs->end();
++it1)
{
BlobPtr pTouchBlob = *it1;
IntPoint touchCenter = (IntPoint)(pTouchBlob->getCenter());
for (BlobVector::iterator it2 = pTrackBlobs->begin(); it2 != pTrackBlobs->end();
++it2)
{
BlobPtr pTrackBlob = *it2;
if (pTrackBlob->contains(touchCenter)) {
pTouchBlob->addRelated(pTrackBlob);
pTrackBlob->addRelated(pTouchBlob);
break;
}
}
}
}
