/// <summary>
/// Rebuilds the tree.
/// </summary>
/// <param name="items">The items.</param>
public override void RebuildTree(IEnumerable <SceneNode> items)
{
Clear();
if (items == null)
{
return;
}
if (items.FirstOrDefault() is IInstancing inst)
{
var instMatrix = inst.InstanceBuffer.Elements;
var octree = new InstancingModel3DOctree(instMatrix, (inst as SceneNode).OriginalBounds, this.Parameter, new Stack <KeyValuePair <int, IOctree[]> >(10));
octree.BuildTree();
Octree = octree;
}
}
public override void RebuildTree(IList <Element3D> items)
{
Clear();
if (items == null || items.Count == 0)
{
return;
}
var model3D = items.Where(x => x is InstancingMeshGeometryModel3D).FirstOrDefault() as InstancingMeshGeometryModel3D;
if (model3D == null)
{
return;
}
IList <Matrix> instMatrix = model3D.Instances;
var octree = new InstancingModel3DOctree(instMatrix, model3D.BoundsWithTransform, this.Parameter, new Queue <IOctree>(256));
octree.BuildTree();
Octree = octree;
}
