RigidBodyContentModel

<xs:group name="RigidBodyContentModel">
  <xs:annotation>
    <xs:appinfo>RigidBodyContentModel can contain X3DNBodyCollidableNode nodes as a geometry field, plus a Sphere, Box, or Cone as a massDensityModel field.</xs:appinfo>
    <xs:documentation source="http://www.web3d.org/documents/specifications/19775-1/V3.3/Part01/components/rigid_physics.html#RigidBody"/>
  </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:annotation>
            <xs:documentation>Appropriately typed substitution node</xs:documentation>
          </xs:annotation>
        </xs:element>
      </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:annotation>
            <xs:documentation>Appropriately typed substitution node</xs:documentation>
          </xs:annotation>
        </xs:element>
      </xs:choice>
    </xs:sequence>
    <xs:sequence>
      <xs:element ref="ProtoInstance">
        <xs:annotation>
          <xs:documentation>Appropriately typed substitution node</xs:documentation>
        </xs:annotation>
      </xs:element>
      <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:annotation>
            <xs:documentation>Appropriately typed substitution node</xs:documentation>
          </xs:annotation>
        </xs:element>
      </xs:choice>
    </xs:sequence>
  </xs:choice>
</xs:group>