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Rotate the palm according to the average finger direction.

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This commit is contained in:
Andrzej Kapolka 2013-11-07 16:57:07 -08:00
parent 55d31ee7f3
commit 4bf4accba7
1 changed files with 13 additions and 1 deletions
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14
interface/src/avatar/SkeletonModel.cpp
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@ -148,14 +148,26 @@ void SkeletonModel::applyPalmData(int jointIndex, const QVector<int>& fingerJoin
return;
}
// sort the finger indices by raw x
// sort the finger indices by raw x, get the average direction
QVector<IndexValue> fingerIndices;
glm::vec3 direction;
for (int i = 0; i < palm.getNumFingers(); i++) {
glm::vec3 fingerVector = palm.getFingers()[i].getTipPosition() - palm.getFingers()[i].getRootPosition();
float length = glm::length(fingerVector);
if (length > EPSILON) {
direction += fingerVector / length;
}
IndexValue indexValue = { i, palm.getFingers()[i].getTipRawPosition().x };
fingerIndices.append(indexValue);
}
qSort(fingerIndices.begin(), fingerIndices.end());
// rotate palm according to average finger direction
float directionLength = glm::length(direction);
if (directionLength > EPSILON) {
palmRotation = rotationBetween(palmRotation * glm::vec3(sign, 0.0f, 0.0f), direction) * palmRotation;
}
// match them up as best we can
float proportion = fingerIndices.size() / (float)fingerJointIndices.size();
for (int i = 0; i < fingerJointIndices.size(); i++) {