void HandData::updateFingerTrails() {
for (size_t i = 0; i < getNumPalms(); ++i) {
PalmData& palm = getPalms()[i];
for (size_t f = 0; f < palm.getNumFingers(); ++f) {
FingerData& finger = palm.getFingers()[f];
finger.updateTrail();
}
}
}
void HandData::setFingerTrailLength(unsigned int length) {
for (size_t i = 0; i < getNumPalms(); ++i) {
PalmData& palm = getPalms()[i];
for (size_t f = 0; f < palm.getNumFingers(); ++f) {
FingerData& finger = palm.getFingers()[f];
finger.setTrailLength(length);
}
}
}
void HandData::decodeRemoteData(const std::vector<glm::vec3>& fingerVectors) {
size_t vectorIndex = 0;
for (size_t i = 0; i < getNumPalms(); ++i) {
PalmData& palm = getPalms()[i];
// If a palm is active, there will be
// 1 vector for its position
// 1 vector for normal
// 10 vectors for fingers (5 tip/root pairs)
bool palmActive = fingerVectors.size() >= i * 12;
palm.setActive(palmActive);
if (palmActive) {
palm.setRawPosition(fingerVectors[vectorIndex++]);
palm.setRawNormal(fingerVectors[vectorIndex++]);
for (size_t f = 0; f < NUM_FINGERS_PER_HAND; ++f) {
FingerData& finger = palm.getFingers()[f];
finger.setActive(true);
finger.setRawTipPosition(fingerVectors[vectorIndex++]);
finger.setRawRootPosition(fingerVectors[vectorIndex++]);
}
}
}
}
void HandData::encodeRemoteData(std::vector<glm::vec3>& fingerVectors) {
fingerVectors.clear();
for (size_t i = 0; i < getNumPalms(); ++i) {
PalmData& palm = getPalms()[i];
if (!palm.isActive()) {
continue;
}
fingerVectors.push_back(palm.getRawPosition());
fingerVectors.push_back(palm.getRawNormal());
for (size_t f = 0; f < palm.getNumFingers(); ++f) {
FingerData& finger = palm.getFingers()[f];
if (finger.isActive()) {
fingerVectors.push_back(finger.getTipRawPosition());
fingerVectors.push_back(finger.getRootRawPosition());
}
else {
fingerVectors.push_back(glm::vec3(0,0,0));
fingerVectors.push_back(glm::vec3(0,0,0));
}
}
}
}