public void Init( AxisAlignedBox box, int depth )
{
rootSceneNode = new OctreeNode( this, "SceneRoot" );
rootSceneNode.SetAsRootNode();
defaultRootNode = rootSceneNode;
maxDepth = depth;
octree = new Octree( null );
octree.Box = box;
Vector3 Min = box.Minimum;
Vector3 Max = box.Maximum;
octree.HalfSize = ( Max - Min ) / 2;
numObjects = 0;
Vector3 scalar = new Vector3( 1.5f, 1.5f, 1.5f );
scaleFactor.Scale = scalar;
}