public void addRegion(PointList region)
{
if (!selfIntersection)
{
throw new Exception("The addRegion() function is only intended for use when selfIntersection = false");
}
// Ensure that the polygon is fully closed (the start point and end point are exactly the same)
if (!Epsilon.pointsSame(region[region.Count - 1], region[0]))
{
region.Add(region[0]);
}
// regions are a list of points:
// [ [0, 0], [100, 0], [50, 100] ]
// you can add multiple regions before running calculate
var pt1 = new Point();
var pt2 = region[region.Count - 1];
for (var i = 0; i < region.Count; i++)
{
pt1 = pt2;
pt2 = region[i];
var forward = Epsilon.pointsCompare(pt1, pt2);
if (forward == 0) // points are equal, so we have a zero-length segment
{
continue; // just skip it
}
eventAddSegment(
segmentNew(
forward < 0 ? pt1 : pt2,
forward < 0 ? pt2 : pt1
),
true
);
}
}
public PointListDebugProxy(PointList target)
{
this.list = target;
}