/// <summary>
/// Retrieves a list of Rects that make up this quadrant and the quadrants beneath it.
/// Used when debugging to draw quadrants to a canvas.
/// </summary>
/// <param name="rects"></param>
public IEnumerable <Rect> GetQuadrantRects()
{
yield return(Extent);
if (TopLeft != null)
{
foreach (var rect in TopLeft.GetQuadrantRects())
{
yield return(rect);
}
}
if (TopRight != null)
{
foreach (var rect in TopRight.GetQuadrantRects())
{
yield return(rect);
}
}
if (BottomLeft != null)
{
foreach (var rect in BottomLeft.GetQuadrantRects())
{
yield return(rect);
}
}
if (BottomRight != null)
{
foreach (var rect in BottomRight.GetQuadrantRects())
{
yield return(rect);
}
}
}