public CullHint getCullHint() {
        if (cullHint != CullHint.Inherit) {
            return cullHint;
        } else if (parent != null) {
            return parent.getCullHint();
        } else {
            return CullHint.Dynamic;
        }
    }
@see #setCullHint(CullHint)
@return the cull mode of this spatial, or if set to CullHint.Inherit, the
cull mode of its parent.
jme3-core/src/main/java/com/jme3/scene/Spatial.java