<xs:group name="RigidBodyContentModel">
    <xs:annotation>
        <xs:appinfo>RigidBodyContentModel can contain X3DNBodyCollidableNode nodes as a geometry field, plus a [Sphere, Box, Cone] as a massDensityModel field.
			</xs:appinfo>
        <xs:documentation />
    </xs:annotation>
    <xs:choice>
        <xs:sequence>
            <xs:choice>
                <xs:element ref="Sphere">
                    <xs:annotation>
                        <xs:documentation>massDensityModel</xs:documentation>
                    </xs:annotation>
                </xs:element>
                <xs:element ref="Box">
                    <xs:annotation>
                        <xs:documentation>massDensityModel</xs:documentation>
                    </xs:annotation>
                </xs:element>
                <xs:element ref="Cone">
                    <xs:annotation>
                        <xs:documentation>massDensityModel</xs:documentation>
                    </xs:annotation>
                </xs:element>
            </xs:choice>
            <xs:choice minOccurs="0" maxOccurs="unbounded">
                <xs:element ref="CollidableOffset">
                    <xs:annotation>
                        <xs:documentation>geometry</xs:documentation>
                    </xs:annotation>
                </xs:element>
                <xs:element ref="CollidableShape">
                    <xs:annotation>
                        <xs:documentation>geometry</xs:documentation>
                    </xs:annotation>
                </xs:element>
                <xs:element ref="ProtoInstance" />
            </xs:choice>
        </xs:sequence>
        <xs:sequence>
            <xs:choice maxOccurs="unbounded">
                <xs:element ref="CollidableOffset">
                    <xs:annotation>
                        <xs:documentation>geometry</xs:documentation>
                    </xs:annotation>
                </xs:element>
                <xs:element ref="CollidableShape">
                    <xs:annotation>
                        <xs:documentation>geometry</xs:documentation>
                    </xs:annotation>
                </xs:element>
            </xs:choice>
            <xs:choice minOccurs="0">
                <xs:element ref="Sphere">
                    <xs:annotation>
                        <xs:documentation>massDensityModel</xs:documentation>
                    </xs:annotation>
                </xs:element>
                <xs:element ref="Box">
                    <xs:annotation>
                        <xs:documentation>massDensityModel</xs:documentation>
                    </xs:annotation>
                </xs:element>
                <xs:element ref="Cone">
                    <xs:annotation>
                        <xs:documentation>massDensityModel</xs:documentation>
                    </xs:annotation>
                </xs:element>
                <xs:element ref="ProtoInstance" />
            </xs:choice>
        </xs:sequence>
        <xs:sequence>
            <xs:element ref="ProtoInstance" />
            <xs:choice minOccurs="0">
                <xs:element ref="Sphere">
                    <xs:annotation>
                        <xs:documentation>massDensityModel</xs:documentation>
                    </xs:annotation>
                </xs:element>
                <xs:element ref="Box">
                    <xs:annotation>
                        <xs:documentation>massDensityModel</xs:documentation>
                    </xs:annotation>
                </xs:element>
                <xs:element ref="Cone">
                    <xs:annotation>
                        <xs:documentation>massDensityModel</xs:documentation>
                    </xs:annotation>
                </xs:element>
            </xs:choice>
            <xs:choice minOccurs="0" maxOccurs="unbounded">
                <xs:element ref="CollidableOffset">
                    <xs:annotation>
                        <xs:documentation>geometry</xs:documentation>
                    </xs:annotation>
                </xs:element>
                <xs:element ref="CollidableShape">
                    <xs:annotation>
                        <xs:documentation>geometry</xs:documentation>
                    </xs:annotation>
                </xs:element>
                <xs:element ref="ProtoInstance" />
            </xs:choice>
        </xs:sequence>
    </xs:choice>
</xs:group>