From 5cf8a963cdd4481d67254b4adad946c065dbdc51 Mon Sep 17 00:00:00 2001
From: amantley <amantley@googlemail.com>
Date: Thu, 21 Feb 2019 15:41:16 -0800
Subject: [PATCH] make spine2 rotation damping only happen in optimized code. 
 the regular code is already damped

---
 interface/src/avatar/MySkeletonModel.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/interface/src/avatar/MySkeletonModel.cpp b/interface/src/avatar/MySkeletonModel.cpp
index 13cdedc830..aa45a1f0bb 100755
--- a/interface/src/avatar/MySkeletonModel.cpp
+++ b/interface/src/avatar/MySkeletonModel.cpp
@@ -265,7 +265,9 @@ void MySkeletonModel::updateRig(float deltaTime, glm::mat4 parentTransform) {
             if (spine2Exists && headExists && hipsExists) {
 
                 AnimPose rigSpaceYaw(myAvatar->getSpine2RotationRigSpace());
+#if defined(Q_OS_ANDROID) || defined(HIFI_USE_OPTIMIZED_IK)
                 rigSpaceYaw.rot() = safeLerp(Quaternions::IDENTITY, rigSpaceYaw.rot(), 0.5f);
+#endif
                 glm::vec3 u, v, w;
                 glm::vec3 fwd = rigSpaceYaw.rot() * glm::vec3(0.0f, 0.0f, 1.0f);
                 glm::vec3 up = currentHeadPose.trans() - currentHipsPose.trans();