/// <summary>
/// remove all polygons that are inside this subtree
/// </summary>
/// <param name="polygons">polygons to remove</param>
private List <CSGPolygon> ClipPolygons(List <CSGPolygon> polygons)
{
if (Plane == null)
{
return(new List <CSGPolygon>(polygons));
}
var frontList = new List <CSGPolygon>();
var backList = new List <CSGPolygon>();
foreach (var polygon in polygons)
{
Plane.Split(polygon, frontList, backList, frontList, backList);
}
if (FrontChild != null)
{
frontList = FrontChild.ClipPolygons(frontList);
}
if (BackChild != null)
{
backList = BackChild.ClipPolygons(backList);
}
else
{
backList.Clear();
}
var concat = new List <CSGPolygon>(frontList);
concat.AddRange(backList);
return(concat);
}
// Token: 0x0600417B RID: 16763 RVA: 0x0014ABC0 File Offset: 0x00148FC0
public void ClipTo(CSGNode node)
{
this.Polygons = node.ClipPolygons(this.Polygons);
if (this.FrontChild != null)
{
this.FrontChild.ClipTo(node);
}
if (this.BackChild != null)
{
this.BackChild.ClipTo(node);
}
}
/// <summary>
/// remove all polygons from this tree that are inside the other tree
/// </summary>
public void ClipTo(CSGNode node)
{
Polygons = node.ClipPolygons(Polygons);
if (FrontChild != null)
{
FrontChild.ClipTo(node);
}
if (BackChild != null)
{
BackChild.ClipTo(node);
}
}
/// <summary>
/// remove all polygons from this tree that are inside the other tree
/// </summary>
public void ClipTo(CSGNode node)
{
Polygons = node.ClipPolygons(Polygons);
if (FrontChild != null)
{
FrontChild.ClipTo(node);
}
if (BackChild != null)
{
BackChild.ClipTo(node);
}
}