*
* * Returns reference to this so it can be used in a stream.
* * Returns reference to this so it can be used in a stream.
* * Returns reference to this so it can be used in a stream.
*
*
*
*
* * Returns reference to this so it can be used in a stream.
* * Returns reference to this so it can be used in a stream.
* * Returns reference to this so it can be used in a stream.
* * Returns reference to this so it can be used in a stream.
Called after all scene entitys instantiation. It is optional.
Called every frame to update the current state of the scene entity. It is optional.
*