/// <summary>
/// Creates two Lines intersecting at their implied intersection, or the original Lines if the Lines are parallel
/// </summary>
/// <param name="thisLine"></param>
/// <param name="thatLine"></param>
/// <returns></returns>
public static List <Line> CornerLines(Line thisLine, Line thatLine)
{
if (thisLine.IsParallelTo(thatLine))
{
return
(new List <Line>
{
thisLine,
thatLine
});
}
var inters = thisLine.Intersection(thatLine);
var thisGxLine = new GxLine(thisLine);
var thatGxLine = new GxLine(thatLine);
if (inters.DistanceTo(thisGxLine.Start) <= inters.DistanceTo(thisGxLine.End))
{
thisGxLine.Start = inters;
}
else
{
thisGxLine.End = inters;
}
if (inters.DistanceTo(thatGxLine.Start) <= inters.DistanceTo(thatGxLine.End))
{
thatGxLine.Start = inters;
}
else
{
thatGxLine.End = inters;
}
return
(new List <Line>
{
thisGxLine.ToLine(),
thatGxLine.ToLine()
});
}
/// <summary>
/// Finds the implied intersection of this GxLine with a supplied GxLine.
/// </summary>
/// <param name="intr">GxLine to find intersection with this GxLine.</param>
/// <returns>
/// A Vector3 point or null if the lines are parallel.
/// </returns>
public Vector3 Intersection(GxLine line)
{
return(ToLine().Intersection(line.ToLine()));
}
/// <summary>
/// Returns true if this GxLine is parallel to the supplied GxLine.
/// </summary>
/// <param name="thatLine">Line to compare to this line.</param>
/// <returns>
/// True if the Lines have equal slopes.
/// </returns>
public bool IsParallelTo(GxLine line)
{
return(ToLine().IsParallelTo(line.ToLine()));
}