// initialize variables
public LineGameObject(Line2D Line)
: base()
{
this.Line = Line;
this.MoveDirection = new Vector2D(0, 0);
_pen = new Pen(Brushes.Black, 2);
}
// function title says all
public static double AngleBetweenLines(Line2D l1, Line2D l2)
{
return Math.Abs(180 - l1.AngleDegrees - l2.AngleDegrees);
}