// Remove all polygons in this BSP tree that are inside the other BSP tree
// `bsp`.
void clipTo(csgjs_csgnode other)
{
polygons = other.clipPolygons(polygons);
if (front != null)
{
front.clipTo(other);
}
if (back != null)
{
back.clipTo(other);
}
}
// Remove all polygons in this BSP tree that are inside the other BSP tree
// `bsp`.
void clipTo(csgjs_csgnode other)
{
polygons = other.clipPolygons(polygons);
if (front != null)
{
front.clipTo(other);
}
if (back != null)
{
back.clipTo(other);
}
}
// Recursively remove all polygons in `polygons` that are inside this BSP
// tree.
List <csgjs_polygon> clipPolygons(List <csgjs_polygon> list)
{
if (!plane.ok())
{
return(list);
}
List <csgjs_polygon> list_front = new List <csgjs_polygon>();
List <csgjs_polygon> list_back = new List <csgjs_polygon>();
for (int i = 0; i < list.Count; i++)
{
plane.splitPolygon(list[i], list_front, list_back, ref list_front, ref list_back);
}
if (front != null)
{
list_front = front.clipPolygons(list_front);
}
if (back != null)
{
list_back = back.clipPolygons(list_back);
}
else
{
//list_back.clear();
list_back.RemoveAll(delegate(csgjs_polygon v)
{
return(true);
});
//list_back = new List<csgjs_polygon>(); // clear the list by creating a new one
}
//need to make sure to get this insert right...
// if I'm reading this correctly, it's placing all the items in list_back
// onto the end of list_front
//list_front.insert(list_front.end(), list_back.begin(), list_back.end());
foreach (csgjs_polygon pb in list_back)
{
list_front.Add(pb.clone());
}
// list_front.Insert(
return(list_front);
}
