/// <summary>
/// Obtener el nodo del mismo nivel a este
/// </summary>
/// <returns>Devuelve el nodo del mismo nivel al este</returns>
public virtual SceneryNode GetEastNode()
{
if (this.Parent != null)
{
if (this == this.Parent.SouthEast)
{
SceneryNode node = this.Parent.GetEastNode();
if (node != null)
{
return(node.SouthWest);
}
}
else if (this == this.Parent.SouthWest)
{
return(this.Parent.SouthEast);
}
else if (this == this.Parent.NorthEast)
{
SceneryNode node = this.Parent.GetEastNode();
if (node != null)
{
return(node.NorthWest);
}
}
else if (this == this.Parent.NorthWest)
{
return(this.Parent.NorthEast);
}
}
return(null);
}
/// <summary>
/// Construye la jerarquía del nodo actual
/// </summary>
/// <param name="northWest">Nodo al noroeste</param>
/// <param name="northEast">Nodo al noreste</param>
/// <param name="southWest">Nodo al suroeste</param>
/// <param name="southEast">Nodo al sureste</param>
public virtual void Build(SceneryNode northWest, SceneryNode northEast, SceneryNode southWest, SceneryNode southEast)
{
northWest.Parent = this;
northEast.Parent = this;
southWest.Parent = this;
southEast.Parent = this;
Childs.Clear();
Childs.Add(NodeHeads.NorthWest, northWest);
Childs.Add(NodeHeads.NorthEast, northEast);
Childs.Add(NodeHeads.SouthWest, southWest);
Childs.Add(NodeHeads.SouthEast, southEast);
BoundingBox northAABB = BoundingBox.CreateMerged(northWest.m_AABB, northEast.m_AABB);
BoundingBox southAABB = BoundingBox.CreateMerged(southWest.m_AABB, southEast.m_AABB);
m_AABB = BoundingBox.CreateMerged(northAABB, southAABB);
BoundingSphere northSPH = BoundingSphere.CreateMerged(northWest.m_SPH, northEast.m_SPH);
BoundingSphere southSPH = BoundingSphere.CreateMerged(southWest.m_SPH, southEast.m_SPH);
m_SPH = BoundingSphere.CreateMerged(northSPH, southSPH);
NodeCenter = Vector3.Divide(m_AABB.Max + m_AABB.Min, 2.0f);
}
/// <summary>
/// Obtener el nodo del mismo nivel a este
/// </summary>
/// <returns>Devuelve el nodo del mismo nivel al este</returns>
public new SceneryTriangleNode GetEastNode()
{
SceneryNode node = base.GetEastNode();
if (node != null)
{
return(node as SceneryTriangleNode);
}
return(null);
}
/// <summary>
/// Obtener el nodo del mismo nivel a norte
/// </summary>
/// <returns>Devuelve el nodo del mismo nivel al norte</returns>
public virtual SceneryNode GetNorthNode()
{
if (this.Parent != null)
{
if (this == this.Parent.NorthWest)
{
// Obtener el nodo al norte
SceneryNode node = this.Parent.GetNorthNode();
if (node != null)
{
// Obtener el nodo al suroeste del nodo al norte
return(node.SouthWest);
}
}
else if (this == this.Parent.NorthEast)
{
// Obtener el nodo al norte
SceneryNode node = this.Parent.GetNorthNode();
if (node != null)
{
// Obtener el nodo al sureste del nodo al norte
return(node.SouthEast);
}
}
else if (this == this.Parent.SouthWest)
{
// Obtener el nodo al noroeste del nodo actual
return(this.Parent.NorthWest);
}
else if (this == this.Parent.SouthEast)
{
// Obtener el nodo al noreste del nodo actual
return(this.Parent.NorthEast);
}
}
return(null);
}
