public csgjs_csgnode clone()
{
csgjs_csgnode ret = new csgjs_csgnode();
foreach (csgjs_polygon p in polygons)
{
ret.polygons.Add(p.clone());
}
ret.plane = plane.clone();
if (front != null)
{
ret.front = front.clone();
}
if (back != null)
{
ret.back = back.clone();
}
return(ret);
}
// Return a new CSG solid representing space in either this solid or in the
// solid `csg`. Neither this solid nor the solid `csg` are modified.
public static csgjs_csgnode csg_union(csgjs_csgnode a1, csgjs_csgnode b1)
{
csgjs_csgnode a = a1.clone();
csgjs_csgnode b = b1.clone();
a.clipTo(b);
b.clipTo(a);
b.invert();
b.clipTo(a);
b.invert();
a.build(b.allPolygons());
csgjs_csgnode ret = new csgjs_csgnode(a.allPolygons());
a = null;
b = null;
return(ret);
}
// 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 csgjs_csgnode csg_intersect( csgjs_csgnode a1, csgjs_csgnode b1)
{
csgjs_csgnode a = a1.clone();
csgjs_csgnode b = b1.clone();
a.invert();
b.clipTo(a);
b.invert();
a.clipTo(b);
b.clipTo(a);
a.build(b.allPolygons());
a.invert();
csgjs_csgnode ret = new csgjs_csgnode(a.allPolygons());
a = null;
b = null;
return ret;
}
