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use temp variables instead of creating new ones to improve memory usage

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git-svn-id: https://jmonkeyengine.googlecode.com/svn/trunk@11012 75d07b2b-3a1a-0410-a2c5-0572b91ccdca
This commit is contained in:
phr00t 2014-02-04 19:28:02 +00:00
parent 77a2af25c4
commit b06cdfc77c
1 changed files with 7 additions and 1 deletions

8
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;
}