public void LengthAndDistance()
{
Random Rand = new Random();
Vector2D Test1 = new Vector2D(Rand.NextDouble() * 1000, Rand.NextDouble() * 1000);
Vector2D Test2 = new Vector2D(Rand.NextDouble() * 1000, Rand.NextDouble() * 1000);
Vector2D Test3 = Test1 + Test2;
double Distance1 = Test2.GetLength();
double Distance2 = Vector2D.GetDistanceBetween(Test1, Test3);
Assert.IsTrue(Distance1 < Distance2 + .001f && Distance1 > Distance2 - .001f);
}
public void GetLengthAndNormalize()
{
Vector2D Point3 = new Vector2D(3, -4);
Assert.IsTrue(Point3.GetLength() > 4.999f && Point3.GetLength() < 5.001f);
Point3.Normalize();
Assert.IsTrue(Point3.GetLength() > 0.99f && Point3.GetLength() < 1.01f);
}