// This makes a polygon from the path
public EarClipPolygon MakePolygon(bool startfront)
{
EarClipPolygon p = new EarClipPolygon();
bool forward = startfront;
// Any sides at all?
if (base.Count > 0)
{
if (forward)
{
p.AddLast(new EarClipVertex(base[0].Start.Position, base[0].Front));
}
else
{
p.AddLast(new EarClipVertex(base[0].End.Position, base[0].Back));
}
// Add all lines, but the first
for (int i = 1; i < base.Count; i++)
{
// Traverse direction changes?
if ((base[i - 1].Start == base[i].Start) ||
(base[i - 1].End == base[i].End))
{
forward = !forward;
}
// Add next vertex
if (forward)
{
p.AddLast(new EarClipVertex(base[i].Start.Position, base[i].Front));
}
else
{
p.AddLast(new EarClipVertex(base[i].End.Position, base[i].Back));
}
}
}
return(p);
}
// This makes a polygon from the path
public EarClipPolygon MakePolygon()
{
EarClipPolygon p = new EarClipPolygon();
// Any sides at all?
if (base.Count > 0)
{
// Add all sides
for (int i = 0; i < base.Count; i++)
{
// On front or back?
if (base[i].IsFront)
{
p.AddLast(new EarClipVertex(base[i].Line.End.Position, base[i]));
}
else
{
p.AddLast(new EarClipVertex(base[i].Line.Start.Position, base[i]));
}
}
}
return(p);
}