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Fix hand pose 

Considering the hand direction when calculate the base plane of rotation.
master
Jeremy Hu 2018-10-28 17:00:41 +08:00
parent 8615223eeb
commit ca07b3ef6f
1 changed files with 7 additions and 1 deletions
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8
src/tetrapodposer.cpp
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@ -35,7 +35,13 @@ void TetrapodPoser::commit()
const RiggerBone &bone = bones()[boneIndex];
if (bone.name == "LeftHand" || bone.name == "RightHand") {
QVector3D handDirection = bone.tailPosition - bone.headPosition;
QVector3D rotateAxis = QVector3D::crossProduct(handDirection, bone.name == "RightHand" ? QVector3D(1, 0, 0) : QVector3D(-1, 0, 0)).normalized();
QVector3D referenceDirection = bone.name == "RightHand" ? QVector3D(1, 0, 0) : QVector3D(-1, 0, 0);
auto angleWithX = (int)angleBetweenVectors(handDirection, -referenceDirection);
auto angleWithZ = (int)angleBetweenVectors(handDirection, QVector3D(0, 0, -1));
qDebug() << "angleWithX:" << angleWithX << "angleWithZ:" << angleWithZ;
QVector3D rotateAxis = angleWithX < angleWithZ ?
QVector3D::crossProduct(handDirection, referenceDirection).normalized() :
QVector3D::crossProduct(handDirection, QVector3D(0, 0, -1)).normalized();
QQuaternion rotation = QQuaternion::fromAxisAndAngle(rotateAxis, intersectionAngle);
m_jointNodeTree.updateRotation(boneIndex, rotation);
continue;