private static PolygonPattern _ParsePattern(string ptsStr)
{
var pts = _ParsePoints(ptsStr);
FixedPoint?maxY, minY;
maxY = minY = null;
for (var i = 0; i < pts.Length; i++)
{
var pt = pts[i];
if (maxY == null || pt.Y > maxY)
{
maxY = pt.Y;
}
if (minY == null || pt.Y < minY)
{
minY = pt.Y;
}
}
var height = (int)(maxY.Value - minY.Value);
var polygon = new PolygonPattern(pts, height);
return(polygon);
}
internal void Intersects(string line1, string line2, PolygonPattern.IntersectResult expected)
{
var l1 = _ParseLine(line1);
var l2 = _ParseLine(line2);
var val = PolygonPattern.Intersect(l1, l2, out var _, false);
Assert.Equal(expected, val);
}
