public static void ToAngle_Returns_Angle_of_Offset()
{
Angle angle1 = new Angle(Numbers.PiOver2);
Angle angle2 = new Angle(Numbers.PiOver4);
AngularOffset offset = new AngularOffset(angle1, angle2);
Angle angleFromOffset = offset.ToAngle();
Assert.AreEqual(-Numbers.PiOver4, angleFromOffset.Radians, Tolerance);
}
[TestCase(4, 3, 3, 2, 1, 2, 45)] // obtuse deg rotated
public static void CreateFromPoints_Creates_Angular_Offset_Formed_by_3_Points(
double x1, double y1,
double x2, double y2,
double x3, double y3,
double expectedAngleDegrees)
{
CartesianCoordinate point1 = new CartesianCoordinate(x1, y1);
CartesianCoordinate point2 = new CartesianCoordinate(x2, y2);
CartesianCoordinate point3 = new CartesianCoordinate(x3, y3);
AngularOffset offset = AngularOffset.CreateFromPoints(point1, point2, point3);
Assert.AreEqual(expectedAngleDegrees, offset.ToAngle().Degrees, Tolerance);
}
public static void Initialization_with_Coordinates_Results_in_Object_with_Immutable_Coordinates_Properties_List()
{
CartesianCoordinate localOriginInGlobal = new CartesianCoordinate(3, 2);
CartesianCoordinate localAxisXPtInGlobal = new CartesianCoordinate(5, 4);
Transformations transformations = new Transformations(localOriginInGlobal, localAxisXPtInGlobal);
AngularOffset angularOffset = new AngularOffset(Numbers.Pi / 4);
CartesianOffset offset = localOriginInGlobal.OffsetFrom(CartesianCoordinate.Origin());
Assert.AreEqual(localOriginInGlobal, transformations.LocalOrigin);
Assert.AreEqual(localAxisXPtInGlobal, transformations.LocalAxisX);
Assert.AreEqual(offset, transformations.Displacement);
Assert.AreEqual(angularOffset.ToAngle().Degrees, transformations.Rotation.ToAngle().Degrees, Tolerance);
}