ChaseCamera : added a setUpVector method.

git-svn-id: https://jmonkeyengine.googlecode.com/svn/trunk@7246 75d07b2b-3a1a-0410-a2c5-0572b91ccdca

engine/src/core/com/jme3/input/ChaseCamera.java

@@ -851,6 +851,22 @@ public class ChaseCamera implements ActionListener, AnalogListener, Control {
     public void setLookAtOffset(Vector3f lookAtOffset) {
         this.lookAtOffset = lookAtOffset;
     }
+    
+    /**
+     * Sets the up vector of the camera used for the lookAt on the target
+     * @param up 
+     */
+    public void setUpVector(Vector3f up){
+        initialUpVec=up;
+    }
+    
+    /**
+     * Returns the up vector of the camera used for the lookAt on the target
+     * @return 
+     */
+    public Vector3f getUpVector(){
+        return initialUpVec;
+    }
 
     /**
      *