public Vector3f getWorldCoordinates(Vector2f screenPosition, float zPos, Vector3f store) { return getRenderer().getCamera().getWorldCoordinates(screenPosition, zPos, store);
public Vector3f getWorldCoordinates(Vector2f screenPosition, float zPos) { return getWorldCoordinates(screenPosition, zPos, null);
    public Vector3f getWorldCoordinates(Vector2f screenPosition, float zPos,            Vector3f store) {        return getRenderer().getCamera().getWorldCoordinates(screenPosition,                zPos, store);    }