/// <summary>
/// Initializes a new instance of the <see cref="LodGroupNode"/> class.
/// </summary>
/// <param name="capacity">The initial capacity of the LOD collection.</param>
public LodGroupNode(int capacity)
{
// The actual value of the following flags does not matter. The LodGroupNodes
// need be handled explicitly in scene queries!
IsRenderable = true;
CastsShadows = true;
Levels = new LodCollection(this, capacity);
}
/// <summary>
/// Initializes a new instance of the <see cref="LodCollection.Enumerator"/> struct.
/// </summary>
/// <param name="collection">The <see cref="LodCollection"/> to be enumerated.</param>
internal Enumerator(LodCollection collection)
{
_collection = collection;
_index = 0;
_current = new LodEntry();
}