public Tri CreateThreedian()
{
Point2 p01 = Points[0] + (Points[1] - Points[0]) * ((double)1 / 3);
Point2 p12 = Points[1] + (Points[2] - Points[1]) * ((double)1 / 3);
Point2 p20 = Points[2] + (Points[0] - Points[2]) * ((double)1 / 3);
var planes = new HalfPlane[3];
planes[0] = new HalfPlane(Points[0], p12);
planes[1] = new HalfPlane(Points[1], p20);
planes[2] = new HalfPlane(Points[2], p01);
return(new Tri(planes));
}
public FullTri(double x0, double y0, double x1, double y1, double x2, double y2)
{
Points[0] = new Point2(x0, y0);
Points[1] = new Point2(x1, y1);
Points[2] = new Point2(x2, y2);
var planes = new HalfPlane[3];
planes[0] = new HalfPlane(Points[0], Points[1]);
planes[1] = new HalfPlane(Points[1], Points[2]);
planes[2] = new HalfPlane(Points[2], Points[0]);
Create(planes);
PtMin = Point2.Min(Points[0], Points[1]);
PtMin = Point2.Min(PtMin, Points[2]);
PtMax = Point2.Max(Points[0], Points[1]);
PtMax = Point2.Max(PtMax, Points[2]);
}