public void ToCartesian()
{
Assert.AreEqual(V2.Zero, IsometricCoords.ToCartesian(new V2(0, 0)));
Assert.AreEqual(V2.One, IsometricCoords.ToCartesian(new V2(-1, 3)));
Assert.AreEqual(V2.Up, IsometricCoords.ToCartesian(new V2(-2, 2)));
Assert.AreEqual(V2.Left, IsometricCoords.ToCartesian(new V2(-1, -1)));
}
