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<h3 class="subsection"> C.2.20 Changes for hierarchical objects </h3>
<p>Meshes and lights can now properly be used as hierarchical objects with the
same API. Here is how it works: meshes and lights implement the new
<code>iSceneNode</code> interface. You can do <code>QuerySceneNode()</code> to get the
scene object from the mesh, light, or camera without having to do
<code>scfQueryInterface<></code>. To make some object a child of another you simply
do:
</p>
<table><tr><td> </td><td><pre class="example">object_child->QuerySceneNode ()->SetParent (
object_parent->QuerySceneNode ());
</pre></td></tr></table>
<p>To remove some object from a parent you do:
</p>
<table><tr><td> </td><td><pre class="example">object_child->QuerySceneNode ()->SetParent (0);
</pre></td></tr></table>
<p>You can get the children by calling <code>iSceneNode->GetChildren()</code>.
</p>
<p>The following methods have been removed:
</p><ul>
<li>
<code>iMeshWrapper->GetChildren()</code>
</li><li>
<code>iMeshWrapper->GetParentContainer()</code>
</li><li>
<code>iMeshWrapper->SetParentContainer()</code>
</li><li>
<code>iMovable->GetParent()</code>
</li><li>
<code>iMovable->SetParent()</code>
</li></ul>
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