public void Detach(CMPoint point)
{
pointsDict.Remove(point.Id);
pointsList.Remove(point);
if (point.Contains(this))
{
point.Detach(this);
}
}
private CMPoint CreatePoint(int id)
{
CMPoint point = new CMPoint(this, id);
primitives.Add(point.Id, point);
if (PointCreated != null)
{
PointCreated(this, point);
}
return(point);
}
public int DetectDir(CMPoint start, CMPoint end)
{
if (!Contains(start) || !Contains(end))
{
throw new ArgumentException("Both points must be attached to the line (line id: " + Id + ")");
}
if (start == end)
{
return(0);
}
var result = pointsList.Find(point => point == start || point == end);
return(result == start ? 1 : -1);
}
public CMAngle(int id, CMPoint start, CMPoint end1, CMPoint end2, int?angle = null) : base(start.Owner, id)
{
Point = start;
Line1 = start.GetCommonLine(end1);
Line2 = start.GetCommonLine(end2);
this.angle = angle;
if (Line1.DetectDir(start, end1) > 1)
{
Dir = (Line2.DetectDir(start, end2) > 1 ? AngleDir.FrontFront : AngleDir.FrontBack);
}
else
{
Dir = (Line2.DetectDir(start, end2) > 1 ? AngleDir.BackFront : AngleDir.BackBack);
}
}
// возвращает общую прямую, если она есть и null, если ее нет
public CMLine GetCommonLine(CMPoint point)
{
return(lines.Values.FirstOrDefault(line => line.Contains(point)));
}
public bool Contains(CMPoint point)
{
return(pointsDict.ContainsKey(point.Id));
}
public void Insert(int index, CMPoint point)
{
pointsDict.Add(point.Id, point);
pointsList.Insert(index, point);
point.Attach(this);
}
public void PushPointBack(CMPoint point)
{
PushPointBack(point.Id);
}
public void PushPointFront(CMPoint point)
{
PushPointFront(point.Id);
}
public bool Contains(CMPoint point)
{
return(lines.Values.Any(line => line.Contains(point)));
}