public bool IsPointIn(Point2D p)
{
Triangle2 ta = new Triangle2(p, B, C);
Triangle2 tb = new Triangle2(p, A, C);
Triangle2 tc = new Triangle2(p, A, B);
return(Math.Abs(ta.Area + tb.Area + tc.Area - Area) < 1e-6);
}
public bool IsPointIn(Vector p)
{
var ta = new Triangle2(p, B, C);
var tb = new Triangle2(p, A, C);
var tc = new Triangle2(p, A, B);
return(Math.Abs(ta.Area + tb.Area + tc.Area - Area) < 1e-6);
}
