/// <summary>
/// Retrieve LOD Children given Distance
/// </summary>
/// <param name="node"></param>
/// <param name="dist"></param>
/// <returns></returns>
public static IEnumerable <NiNode> GetChildrenFromLOD(this NiLODNode node, float dist)
{
var lods = node.GetChildren().OfType <NiNode>().ToArray();
var lodlevels = node.LODLevels;
if (lodlevels == null && node.LODLevelData.IsValid() && node.LODLevelData.Object != null)
{
var lodData = node.LODLevelData.Object as NiRangeLODData;
if (lodData != null)
{
lodlevels = lodData.LODLevels;
}
}
if (lodlevels == null)
{
// Default to first LOD Level for other LOD mechanisms
var result = lods.FirstOrDefault();
if (result != null)
{
yield return(result);
}
yield break;
}
foreach (var match in lodlevels
.Select((l, i) => new { Ind = i, Lod = l })
.Where(o => dist >= o.Lod.NearExtent && dist < o.Lod.FarExtent && o.Ind < lods.Length))
{
yield return(lods.ElementAt(match.Ind));
}
yield break;
}
private static void BuildLevelsOfDetail(NiLODNode lodNode, GameObject holder)
{
var data = (NiRangeLODData)lodNode.Data;
var lod = holder.AddComponent <LODGroup>();
lod.SetLODs(data.Ranges.Select(l => new LOD(1f / l.Far, null)).ToArray());
}
