/// <summary>
/// Gets the rectangle, with the first segment being the right segment of the base, and going into counter
/// clockwise direction.
/// </summary>
/// <returns>The list of segments.</returns>
private List <LineSegment> GetRectangle()
{
var coordSys = DataFetcher.GetSectionAlignedCoordsys(this.Component);
var height = DataFetcher.GetBaseHeight(this.Component);
var width = DataFetcher.GetBaseWidth(this.Component);
var radius = DataFetcher.GetRadius(this.Component);
var length = DataFetcher.GetSectionLength(this.Component);
var geometry = new TransitionSectionGeometry(height, width, length, radius, coordSys.Origin, coordSys.AxisX.Cross(coordSys.AxisY));
return(geometry.RectangularSection.OfType <LineSegment>().ToList());
}
/// <summary>
/// Called when a height segment is being dragged.
/// </summary>
/// <param name="sender">The sender.</param>
/// <param name="eventArgs">The event args.</param>
private void OnHeightDragOngoing(object sender, DragEventArgs eventArgs)
{
if (!(sender is LineHandle lineHandle))
{
return;
}
var segment = lineHandle.Line;
var centroid = DataFetcher.GetSectionAlignedCoordsys(this.Component).Origin;
var halfHeight = Distance.PointToLine(centroid, new Line(segment));
this.topHeightHandle.Line = PlaceAtDistanceFromPoint(this.topHeightHandle.Line, centroid, halfHeight);
this.bottomHeightHandle.Line = PlaceAtDistanceFromPoint(this.bottomHeightHandle.Line, centroid, halfHeight);
this.Graphics.Clear();
this.DrawRectangle(DataFetcher.GetBaseWidth(this.Component), 2.0 * halfHeight);
}