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If the skeleton doesn't have eye joints (as with the Fuse models), make up

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some positions based on the head and neck joints.
This commit is contained in:
Andrzej Kapolka 2014-05-30 11:03:46 -07:00
parent 169e7d61fd
commit 164192fb50
1 changed files with 20 additions and 2 deletions
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22
interface/src/avatar/SkeletonModel.cpp
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@ -427,7 +427,25 @@ bool SkeletonModel::getEyePositions(glm::vec3& firstEyePosition, glm::vec3& seco
return false;
}
const FBXGeometry& geometry = _geometry->getFBXGeometry();
return getJointPosition(geometry.leftEyeJointIndex, firstEyePosition) &&
getJointPosition(geometry.rightEyeJointIndex, secondEyePosition);
if (getJointPosition(geometry.leftEyeJointIndex, firstEyePosition) &&
getJointPosition(geometry.rightEyeJointIndex, secondEyePosition)) {
return true;
}
// no eye joints; try to estimate based on head/neck joints
glm::vec3 neckPosition, headPosition;
if (getJointPosition(geometry.neckJointIndex, neckPosition) &&
getJointPosition(geometry.headJointIndex, headPosition)) {
const float EYE_PROPORTION = 0.6f;
glm::vec3 baseEyePosition = glm::mix(neckPosition, headPosition, EYE_PROPORTION);
glm::quat headRotation;
getJointRotation(geometry.headJointIndex, headRotation);
const float EYES_FORWARD = 0.25f;
const float EYE_SEPARATION = 0.1f;
float headHeight = glm::distance(neckPosition, headPosition);
firstEyePosition = baseEyePosition + headRotation * glm::vec3(EYE_SEPARATION, 0.0f, EYES_FORWARD) * headHeight;
secondEyePosition = baseEyePosition + headRotation * glm::vec3(-EYE_SEPARATION, 0.0f, EYES_FORWARD) * headHeight;
return true;
}
return false;
}