public void FromCartesian()
{
Assert.AreEqual(V2.Zero, IsometricCoords.FromCartesian(V2.Zero));
Assert.AreEqual(new V2(-1, 3), IsometricCoords.FromCartesian(V2.One));
Assert.AreEqual(new V2(-2, 2), IsometricCoords.FromCartesian(V2.Up));
Assert.AreEqual(new V2(-1, -1), IsometricCoords.FromCartesian(V2.Left));
}
