History: -RootSceneNode

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__RootSceneNode__ - In Ogre, SceneNodes are created in a hierarchy manner. Every ((-SceneNode)) needs a parent -SceneNode to be shown inside of a ((-scene|scene)). Not really every because then the hierarchy-tree would've been infinite. That's where the ''RootSceneNode'' word comes in. It's the most parent -SceneNode in each ((-SceneManager)) (every -SceneManager has exactly one -SceneNode which is the ''root'') and it has no parent! It's like the god of all SceneNodes.

For an other point of view the -SceneManager is comparably to the parent of the root. Note that ''RootSceneNode'' is just a word, the RootSceneNode is actually a normal -SceneNode except it does not have a parent -SceneNode, hence the prefix 'Root'.

Note: You can create SceneNodes which has no parent, but in this case they aren't inside of scene until it they will be attached to an other SceneNode.

{img src="img/wiki_up/SceneNodes.png" alt="SceneNodes.png"}

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