/// <summary>
/// Modifies the first and last point of a route to attach to the supplied source and target rect's perimeter.
/// </summary>
public Route AttachToSourceRectAndTargetRect(Rect2D sourceRect, Rect2D targetRect)
{
if (_routePoints == null || _routePoints.Count < 2)
{
throw new InvalidOperationException("AttachToSourceRectAndTargetRect requires a route with at least 2 points.");
}
var firstPoint = sourceRect.GetAttachPointToward(_routePoints[1]);
var lastPoint = targetRect.GetAttachPointToward(_routePoints[_routePoints.Count - 2]);
return(new Route(firstPoint.Concat(_routePoints.Skip(1).TakeButLast()).Append(lastPoint)));
}
/// <summary>
/// Modifies the first and last point of a route to attach to the suppied source and target rect's perimeter.
/// </summary>
/// <param name="sourceRect"></param>
/// <param name="targetRect"></param>
public void AttachToSourceRectAndTargetRect(Rect2D sourceRect, Rect2D targetRect)
{
var routePointCount = _routePoints.Count;
if (routePointCount < 2)
{
throw new InvalidOperationException("AttachToSourceRectAndTargetRect requires a route with at least 2 points.");
}
_routePoints[0] = sourceRect.GetAttachPointToward(_routePoints[1]);
_routePoints[routePointCount - 1] = targetRect.GetAttachPointToward(_routePoints[routePointCount - 2]);
}