private void doubleSize() {
        Light[] temp = new Light[list.length * 2];
        float[] temp2 = new float[list.length * 2];
        System.arraycopy(list, 0, temp, 0, list.length);
        System.arraycopy(distToOwner, 0, temp2, 0, list.length);
        list = temp;
        distToOwner = temp2;
    }
Set the owner of the LightList. Only used for cloning.

@param owner the desired owner (alias created)
jme3-core/src/main/java/com/jme3/light/LightList.java