// TODO : I think this is what this means
public static CSG_Node Compliment(CSG_Node a1)
{
CSG_Node a = a1.Clone();
a.Invert();
return(a);
}
// Invert the object - inner is the default representation of an object
public static CSG_Node Outer(CSG_Node a1)
{
CSG_Node a = a1.Clone();
a.Invert();
return(a);
}
// Return a new CSG solid representing space both this solid and in the
// solid `csg`. Neither this solid nor the solid `csg` are modified.
public static CSG_Node Intersect(CSG_Node a1, CSG_Node b1)
{
CSG_Node a = a1.Clone();
CSG_Node b = b1.Clone();
a.Invert();
b.ClipTo(a);
b.Invert();
a.ClipTo(b);
b.ClipTo(a);
a.Build(b.AllPolygons());
a.Invert();
CSG_Node ret = new CSG_Node(a.AllPolygons());
return(ret);
}