/// <summary>
/// Rotates the object about the reference point.
/// </summary>
/// <param name="rotation">The amount of rotation. [rad]</param>
/// <param name="referencePoint">The center of rotation reference point.</param>
/// <returns>IPathSegment.</returns>
public Shape RotateAboutPoint(Angle rotation, CartesianCoordinate referencePoint)
{
_polyline = new PolyLine(rotateSegmentsAboutPoint(rotation, referencePoint));
_rotation += rotation;
CartesianCoordinate newCentroid = CartesianCoordinate.RotateAboutPoint(Centroid, referencePoint, rotation.Radians);
_translation += newCentroid - Centroid;
return(this);
}
/// <summary>
/// Transforms to local.
/// </summary>
/// <param name="globalCoordinate">The global coordinate.</param>
/// <returns>CartesianCoordinate.</returns>
public CartesianCoordinate TransformToLocal(CartesianCoordinate globalCoordinate)
{
CartesianCoordinate rotatedCoordinate = CartesianCoordinate.RotateAboutPoint(globalCoordinate, LocalOrigin, -1 * Rotation.ToAngle().Radians);
return(rotatedCoordinate - LocalOrigin);
}
/// <summary>
/// Rotates the segment from point J.
/// </summary>
/// <param name="rotation">The amount of rotation. [rad]</param>
/// <returns>IPathSegment.</returns>
public virtual IPathSegment RotateAboutJ(Angle rotation)
{
return(new LineSegment(CartesianCoordinate.RotateAboutPoint(I, J, rotation.Radians), J));
}
/// <summary>
/// Transforms to global.
/// </summary>
/// <param name="localCoordinate">The local coordinate.</param>
/// <returns>CartesianCoordinate.</returns>
public CartesianCoordinate TransformToGlobal(CartesianCoordinate localCoordinate)
{
CartesianCoordinate translatedCoordinate = new CartesianCoordinate(LocalOrigin.X + localCoordinate.X, LocalOrigin.Y + localCoordinate.Y);
return(CartesianCoordinate.RotateAboutPoint(translatedCoordinate, LocalOrigin, Rotation.ToAngle().Radians));;
}
/// <summary>
/// Rotates the segment about the reference point.
/// </summary>
/// <param name="rotation">The amount of rotation. [rad]</param>
/// <param name="referencePoint">The center of rotation reference point.</param>
/// <returns>IPathSegment.</returns>
public virtual IPathSegment RotateAboutPoint(Angle rotation, CartesianCoordinate referencePoint)
{
return(new LineSegment(
CartesianCoordinate.RotateAboutPoint(I, referencePoint, rotation.Radians),
CartesianCoordinate.RotateAboutPoint(J, referencePoint, rotation.Radians)));
}
