From b06cdfc77c0b9fddc18d7b7d7988639394ab12a0 Mon Sep 17 00:00:00 2001
From: phr00t <jvight@gmail.com>
Date: Tue, 4 Feb 2014 19:28:02 +0000
Subject: [PATCH] use temp variables instead of creating new ones to improve
 memory usage

git-svn-id: https://jmonkeyengine.googlecode.com/svn/trunk@11012 75d07b2b-3a1a-0410-a2c5-0572b91ccdca
---
 engine/src/core/com/jme3/math/Quaternion.java | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/engine/src/core/com/jme3/math/Quaternion.java b/engine/src/core/com/jme3/math/Quaternion.java
index 1591a13a0..1ee1305d2 100644
--- a/engine/src/core/com/jme3/math/Quaternion.java
+++ b/engine/src/core/com/jme3/math/Quaternion.java
@@ -462,7 +462,10 @@ public final class Quaternion implements Savable, Cloneable, java.io.Serializabl
      * @return the rotation matrix representation of this quaternion.
      */
     public Matrix4f toRotationMatrix(Matrix4f result) {
-        Vector3f originalScale = result.toScaleVector();
+        TempVars tempv = TempVars.get();
+        Vector3f originalScale = tempv.vect1;
+        
+        result.toScaleVector(originalScale);
         result.setScale(1, 1, 1);
         float norm = norm();
         // we explicitly test norm against one here, saving a division
@@ -496,6 +499,9 @@ public final class Quaternion implements Savable, Cloneable, java.io.Serializabl
         result.m22 = 1 - (xx + yy);
 
         result.setScale(originalScale);
+        
+        tempv.release();
+        
         return result;
     }