public void When_NormalizeTwice_Expect_Same(double x, double y, double z)
{
Vect3 v1 = new Vect3(x, y, z);
v1 = v1.GetNormalized();
Vect3 v2 = v1.GetNormalized();
Assert.That(Util.NearlyEqual(v1.Length(), 1));
Assert.That(Util.NearlyEqual(v2.Length(), 1));
Assert.AreEqual(v1, v2);
}
public void When_CrossWithNormalPlane_Expect_StartVector()
{
Vect3 vect1 = new Vect3(1, 2, 3);
Tuple <Vect3, Vect3> plane = vect1.GetNormalPlane();
Vect3 vect2 = Vect3.Cross(plane.Item1, plane.Item2);
Assert.AreEqual(vect1.GetNormalized(), vect2.GetNormalized());
}
public void When_NormalizeSmaller_Expect_Normal()
{
Vect3 vect1 = new Vect3(0.1d, 0.1d, 0);
Vect3 vect2 = new Vect3(1 / Math.Sqrt(2), 1 / Math.Sqrt(2), 0);
vect1 = vect1.GetNormalized();
Assert.AreEqual(vect1, vect2);
Assert.That(Util.NearlyEqual(1, vect1.Length()));
}
private void When_NormalizeZero_Expect_Exception_Helper()
{
Vect3 vect = Vect3.Zero;
vect.GetNormalized();
}