From c18b00ebec58c231edb8cf4739dbddbc6b71b40d Mon Sep 17 00:00:00 2001
From: Wayne Chen <wayne@highfidelity.io>
Date: Thu, 4 Apr 2019 13:55:35 -0700
Subject: [PATCH] adding precheck procedure

---
 interface/src/avatar/MyAvatar.cpp | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/interface/src/avatar/MyAvatar.cpp b/interface/src/avatar/MyAvatar.cpp
index fc6e939941..85b04f2764 100644
--- a/interface/src/avatar/MyAvatar.cpp
+++ b/interface/src/avatar/MyAvatar.cpp
@@ -3427,8 +3427,9 @@ glm::vec3 MyAvatar::calculateScaledDirection(){
                     forward = Vectors::ZERO;
                 }
                 right = (handRotation * controllerRight);
-                if (glm::length(right) > EPSILON) {
-                    right = glm::normalize(right - (glm::dot(right, Vectors::UNIT_Y) * Vectors::UNIT_Y));
+                transform = right - (glm::dot(right, Vectors::UNIT_Y) * Vectors::UNIT_Y);
+                if (glm::length(transform) > EPSILON) {
+                    right = glm::normalize(transform);
                 } else {
                     right = Vectors::ZERO;
                 }