public void AddHole(Polygon2d hole, bool bCheck = true)
{
if (outer == null)
{
throw new Exception("GeneralPolygon2d.AddHole: outer polygon not set!");
}
if (bCheck)
{
if (outer.Contains(hole) == false)
{
throw new Exception("GeneralPolygon2d.AddHole: outer does not contain hole!");
}
// [RMS] segment/segment intersection broken?
foreach (var hole2 in holes)
{
if (hole.Intersects(hole2))
{
throw new Exception("GeneralPolygon2D.AddHole: new hole intersects existing hole!");
}
}
}
if ((bOuterIsCW && hole.IsClockwise) || (bOuterIsCW == false && hole.IsClockwise == false))
{
throw new Exception("GeneralPolygon2D.AddHole: new hole has same orientation as outer polygon!");
}
holes.Add(hole);
}
public bool Intersects(Polygon2d poly)
{
if (outer.Intersects(poly))
{
return(true);
}
foreach (var h in holes)
{
if (h.Intersects(poly))
{
return(true);
}
}
return(false);
}