public Line2D(Sketch parent, Point2D start, Point2D end)
: base(parent, start, end)
{
}
public FullLine2D(Point2D point, double angle)
{
//this.Point = new Point(point.X, point.Y);
this.Points2D.Add(point);
this.Vector = new Vector(Math.Cos(angle), Math.Sin(angle));
}
public FullLine2D(Point2D point1, Point2D point2)
{
//this.Point = new Point(point1.X, point1.Y);
this.Points2D.Add(point1);
this.Vector = point2.Point - point1.Point; //new Vector(point2.X - point1.X, point2.Y - point1.Y);
}
public IIntersectable SatisfyRelations(Point? p = null)
{
IList<IIntersectable> possibles = new List<IIntersectable>();
foreach (Relation2D rel in this.Relations2D)
{
if (rel.IsDriven(this) && rel.ChildRelations.Count == 0) {
IIntersectable temp = rel.Satisfy();
possibles.Add(temp);
}
}
switch(possibles.Count())
{
case 0:
return p == null ? null : new Point2D(p.Value);
case 1:
return possibles[0];
default:
List<Point> intersections = new List<Point>();
intersections.AddMany(possibles[0].Intersection(possibles[1]));
for (int i = 2; i < possibles.Count; i++)
{
List<Point> tempList = new List<Point>();
foreach (Point intersectionPoint in intersections)
{
Point2D p2d = new Point2D(intersectionPoint);
tempList.AddMany(possibles[i].Intersection(p2d));
}
intersections.Clear();
intersections.AddMany(tempList);
}
return intersections.Count > 0 ? new Point2D(intersections.GetNearest(this.Point).Value) : null;
}
}
public FullLine2D(Point2D point, Vector vector)
{
//this.Point = new Point(point.X, point.Y);
this.Points2D.Add(point);
this.Vector = vector;
}
public Ray2D(Point2D point1, Point2D point2)
{
this.Point = point1.Point;
this.Vector = point2.Point - point1.Point;
}
public Ray2D(Point2D point, double angle)
{
this.Point = point.Point;
this.Vector = new Vector(Math.Cos(angle), Math.Sin(angle));
}
public Ray2D(Point2D point, Vector vector)
{
this.Point = point.Point;
this.Vector = vector;
}
public Line2D(Point2D startPoint, Point2D endPoint)
{
this.Points2D.Add(startPoint);
this.Points2D.Add(endPoint);
}
public static Point? GetNearest(Point2D p1, Point p2)
{
return p1.Point;
}