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Fix rotation and position of meshes attached to eye joints

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This commit is contained in:
David Rowe 2018-03-11 14:49:23 +13:00
parent 8d047184bb
commit 957d39b0b1
4 changed files with 38 additions and 0 deletions
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11
libraries/animation/src/AnimSkeleton.cpp
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@ -78,6 +78,17 @@ int AnimSkeleton::getParentIndex(int jointIndex) const {
return _joints[jointIndex].parentIndex;
}
QVector<int> AnimSkeleton::getChildrenOfJoint(int jointIndex) const {
// Children and grandchildren, etc.
QVector<int> result;
for (int i = jointIndex + 1; i < _joints.size(); i++) {
if (_joints[i].parentIndex == jointIndex || result.contains(_joints[i].parentIndex)) {
result.push_back(i);
}
}
return result;
}
const QString& AnimSkeleton::getJointName(int jointIndex) const {
return _joints[jointIndex].name;
}

1
libraries/animation/src/AnimSkeleton.h
View file

@ -43,6 +43,7 @@ public:
const AnimPose& getPostRotationPose(int jointIndex) const;
int getParentIndex(int jointIndex) const;
QVector<int> getChildrenOfJoint(int jointIndex) const;
AnimPose getAbsolutePose(int jointIndex, const AnimPoseVec& relativePoses) const;

21
libraries/animation/src/Rig.cpp
View file

@ -199,6 +199,8 @@ void Rig::destroyAnimGraph() {
_internalPoseSet._overridePoses.clear();
_internalPoseSet._overrideFlags.clear();
_numOverrides = 0;
_leftEyeJointChildren.clear();
_rightEyeJointChildren.clear();
}
void Rig::initJointStates(const FBXGeometry& geometry, const glm::mat4& modelOffset) {
@ -225,12 +227,17 @@ void Rig::initJointStates(const FBXGeometry& geometry, const glm::mat4& modelOff
buildAbsoluteRigPoses(_animSkeleton->getRelativeDefaultPoses(), _absoluteDefaultPoses);
_rootJointIndex = geometry.rootJointIndex;
_leftEyeJointIndex = geometry.leftEyeJointIndex;
_rightEyeJointIndex = geometry.rightEyeJointIndex;
_leftHandJointIndex = geometry.leftHandJointIndex;
_leftElbowJointIndex = _leftHandJointIndex >= 0 ? geometry.joints.at(_leftHandJointIndex).parentIndex : -1;
_leftShoulderJointIndex = _leftElbowJointIndex >= 0 ? geometry.joints.at(_leftElbowJointIndex).parentIndex : -1;
_rightHandJointIndex = geometry.rightHandJointIndex;
_rightElbowJointIndex = _rightHandJointIndex >= 0 ? geometry.joints.at(_rightHandJointIndex).parentIndex : -1;
_rightShoulderJointIndex = _rightElbowJointIndex >= 0 ? geometry.joints.at(_rightElbowJointIndex).parentIndex : -1;
_leftEyeJointChildren = _animSkeleton->getChildrenOfJoint(geometry.leftEyeJointIndex);
_rightEyeJointChildren = _animSkeleton->getChildrenOfJoint(geometry.rightEyeJointIndex);
}
void Rig::reset(const FBXGeometry& geometry) {
@ -253,6 +260,8 @@ void Rig::reset(const FBXGeometry& geometry) {
buildAbsoluteRigPoses(_animSkeleton->getRelativeDefaultPoses(), _absoluteDefaultPoses);
_rootJointIndex = geometry.rootJointIndex;
_leftEyeJointIndex = geometry.leftEyeJointIndex;
_rightEyeJointIndex = geometry.rightEyeJointIndex;
_leftHandJointIndex = geometry.leftHandJointIndex;
_leftElbowJointIndex = _leftHandJointIndex >= 0 ? geometry.joints.at(_leftHandJointIndex).parentIndex : -1;
_leftShoulderJointIndex = _leftElbowJointIndex >= 0 ? geometry.joints.at(_leftElbowJointIndex).parentIndex : -1;
@ -260,6 +269,9 @@ void Rig::reset(const FBXGeometry& geometry) {
_rightElbowJointIndex = _rightHandJointIndex >= 0 ? geometry.joints.at(_rightHandJointIndex).parentIndex : -1;
_rightShoulderJointIndex = _rightElbowJointIndex >= 0 ? geometry.joints.at(_rightElbowJointIndex).parentIndex : -1;
_leftEyeJointChildren = _animSkeleton->getChildrenOfJoint(geometry.leftEyeJointIndex);
_rightEyeJointChildren = _animSkeleton->getChildrenOfJoint(geometry.rightEyeJointIndex);
if (!_animGraphURL.isEmpty()) {
_animNode.reset();
initAnimGraph(_animGraphURL);
@ -1430,6 +1442,15 @@ void Rig::updateEyeJoint(int index, const glm::vec3& modelTranslation, const glm
// directly set absolutePose rotation
_internalPoseSet._absolutePoses[index].rot() = deltaQuat * headQuat;
// Update eye joint's children.
auto children = index == _leftEyeJointIndex ? _leftEyeJointChildren : _rightEyeJointChildren;
for (int i = 0; i < children.size(); i++) {
int jointIndex = children[i];
int parentIndex = _animSkeleton->getParentIndex(jointIndex);
_internalPoseSet._absolutePoses[jointIndex] =
_internalPoseSet._absolutePoses[parentIndex] * _internalPoseSet._relativePoses[jointIndex];
}
}
}

5
libraries/animation/src/Rig.h
View file

@ -267,6 +267,11 @@ protected:
int _rootJointIndex { -1 };
int _leftEyeJointIndex { -1 };
int _rightEyeJointIndex { -1 };
QVector<int> _leftEyeJointChildren;
QVector<int> _rightEyeJointChildren;
int _leftHandJointIndex { -1 };
int _leftElbowJointIndex { -1 };
int _leftShoulderJointIndex { -1 };