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Limit the eye rotation to 22.5 degrees.

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This commit is contained in:
Andrzej Kapolka 2013-10-25 10:55:08 -07:00
parent 12ce268f5c
commit 09240dba27
1 changed files with 4 additions and 1 deletions
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5
interface/src/avatar/FaceModel.cpp
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@ -62,5 +62,8 @@ void FaceModel::maybeUpdateEyeRotation(const JointState& parentState, const FBXJ
glm::vec3 front = glm::vec3(inverse * glm::vec4(_owningHead->getOrientation() * IDENTITY_FRONT, 0.0f));
glm::vec3 lookAt = glm::vec3(inverse * glm::vec4(_owningHead->getLookAtPosition() +
_owningHead->getSaccade(), 1.0f));
state.rotation = rotationBetween(front, lookAt) * joint.rotation;
glm::quat between = rotationBetween(front, lookAt);
const float MAX_ANGLE = 22.5f;
state.rotation = glm::angleAxis(glm::clamp(glm::angle(between), -MAX_ANGLE, MAX_ANGLE), glm::axis(between)) *
joint.rotation;
}