public void Equality()
{
var obj1 = new Point(1, 2);
var obj2 = new Point(1, 1);
var sut = new Point(1, 2);
Assert.IsFalse(sut.Equals(null as object));
Assert.IsTrue(sut.Equals(sut as object));
Assert.IsTrue(sut.Equals(obj1));
Assert.IsFalse(sut.Equals(obj2));
}
public bool Contains(Point point)
{
if (point.Equals(Start) || point.Equals(End))
return true;
// point lies on line according
// to intersection theorem ( Strahlensatz)
if (Math.Abs((End.Y - Start.Y)/(End.X - Start.X) - (point.Y - Start.Y)/(point.X - Start.X)) < 0.00000000001)
{
var minX = Math.Min(Start.X, End.X);
var maxX = Math.Max(Start.X, End.X);
var minY = Math.Min(Start.Y, End.Y);
var maxY = Math.Max(Start.Y, End.Y);
// the point lies in the rectangle, that is spanned by Start and End
return minX <= point.X && point.X <= maxX && minY <= point.Y && point.Y <= maxY;
}
return false;
}
