public CSG_Node(List <CSG_Polygon> list, CSG_Plane plane, CSG_Node front, CSG_Node back)
{
this.polygons = list;
this.plane = plane;
this.front = front;
this.back = back;
}
public CSG_Node(List<CSG_Polygon> list, CSG_Plane plane, CSG_Node front, CSG_Node back)
{
this.polygons = list;
this.plane = plane;
this.front = front;
this.back = back;
}
public CSG_Node()
{
front = null;
back = null;
polygons = null;
plane = null;
}
// Build a BSP tree out of `polygons`. When called on an existing tree, the
// new polygons are filtered down to the bottom of the tree and become new
// nodes there. Each set of polygons is partitioned using the first polygon
// (no heuristic is used to pick a good split).
public void Build(List <CSG_Polygon> list)
{
if (list == null || list.Count < 1)
{
return;
}
if (plane == null || !plane.Valid())
{
plane = new CSG_Plane
{
normal = list[0].plane.normal,
w = list[0].plane.w
};
}
if (polygons == null)
{
polygons = new List <CSG_Polygon>();
}
var listFront = new List <CSG_Polygon>();
var listBack = new List <CSG_Polygon>();
for (int i = 0; i < list.Count; i++)
{
plane.SplitPolygon(list[i], polygons, polygons, ref listFront, ref listBack);
}
if (listFront.Count > 0)
{
if (front == null)
{
front = new CSG_Node();
}
front.Build(listFront);
}
if (listBack.Count > 0)
{
if (back == null)
{
back = new CSG_Node();
}
back.Build(listBack);
}
}
// Build a BSP tree out of `polygons`. When called on an existing tree, the
// new polygons are filtered down to the bottom of the tree and become new
// nodes there. Each set of polygons is partitioned using the first polygon
// (no heuristic is used to pick a good split).
public void Build(List <CSG_Polygon> list)
{
if (list.Count < 1)
{
return;
}
if (this.plane == null || !this.plane.Valid())
{
this.plane = new CSG_Plane();
this.plane.normal = list[0].plane.normal;
this.plane.w = list[0].plane.w;
}
if (this.polygons == null)
{
this.polygons = new List <CSG_Polygon>();
}
List <CSG_Polygon> list_front = new List <CSG_Polygon>();
List <CSG_Polygon> list_back = new List <CSG_Polygon>();
for (int i = 0; i < list.Count; i++)
{
this.plane.SplitPolygon(list[i], this.polygons, this.polygons, list_front, list_back);
}
if (list_front.Count > 0)
{
if (this.front == null)
{
this.front = new CSG_Node();
}
this.front.Build(list_front);
}
if (list_back.Count > 0)
{
if (this.back == null)
{
this.back = new CSG_Node();
}
this.back.Build(list_back);
}
}
public CSG_Polygon(List<CSG_Vertex> list)
{
this.vertices = list;
this.plane = new CSG_Plane(list[0].position, list[1].position, list[2].position);
}
// Build a BSP tree out of `polygons`. When called on an existing tree, the
// new polygons are filtered down to the bottom of the tree and become new
// nodes there. Each set of polygons is partitioned using the first polygon
// (no heuristic is used to pick a good split).
public void Build(List<CSG_Polygon> list)
{
if (list.Count < 1)
return;
if (this.plane == null || !this.plane.Valid())
{
this.plane = new CSG_Plane();
this.plane.normal = list[0].plane.normal;
this.plane.w = list[0].plane.w;
}
if(this.polygons == null)
this.polygons = new List<CSG_Polygon>();
List<CSG_Polygon> list_front = new List<CSG_Polygon>();
List<CSG_Polygon> list_back = new List<CSG_Polygon>();
for (int i = 0; i < list.Count; i++)
{
this.plane.SplitPolygon(list[i], this.polygons, this.polygons, list_front, list_back);
}
if (list_front.Count > 0)
{
if (this.front == null)
this.front = new CSG_Node();
this.front.Build(list_front);
}
if (list_back.Count > 0)
{
if (this.back == null)
this.back = new CSG_Node();
this.back.Build(list_back);
}
}
public CSG_Polygon(List <CSG_Vertex> list)
{
this.vertices = list;
this.plane = new CSG_Plane(list[0].position, list[1].position, list[2].position);
}
public CSG_Polygon(List <CSG_Vertex> list, Material mat)
{
vertices = list;
plane = new CSG_Plane(list[0].position, list[1].position, list[2].position);
material = mat;
}