public void negative_values_produce_same_magnitude_squared() { var vector = new Vector2F(3, 4); var expected = vector.GetMagnitudeSquared(); var actual = vector.GetNegative().GetMagnitudeSquared(); Assert.Equal(expected, actual); }
public void can_get_negative_vector() { var source = new Vector2F(-2, 5); var expected = new Vector2F(2, -5); var actual = source.GetNegative(); Assert.Equal(expected, actual); }
public void opposite_vector_angle_is_pi() { var left = new Vector2F(14, 98); var right = left.GetNegative(); var expected = (float)Math.PI; var actual = left.GetAngleBetween(right); Assert.Equal(expected, actual, 10); }