private void DefineTriangles()
{
TriangleManager.Triangles = new List <Triangle>();
NodManager.Noduri = new List <Nod>();
DrumManager.Drumuri = new List <Drum>();
foreach (var s in SegmentsManager.Segments)
{
var listFirstSegments = SegmentsManager.GetSegmentsThatContainsASpecificPoint(s.A);
var listSecondSegments = SegmentsManager.GetSegmentsThatContainsASpecificPoint(s.B);
listFirstSegments.Remove(s);
listSecondSegments.Remove(s);
for (var i = 0; i < listFirstSegments.Count; i++)
{
var a = listFirstSegments[i].GetTheOtherPoint(s.A);
for (var j = 0; j < listSecondSegments.Count; j++)
{
var b = listSecondSegments[j].GetTheOtherPoint(s.B);
if (a.Equals(b))
{
var t = new Triangle(s.A, s.B, a);
if (!TriangleManager.CheckIfPointIsInsideTriangle(t) && !PolygonManager.CheckIfTriangleIsAShape(t))
{
if (TriangleManager.Triangles.Count > 0)
{
if (!TriangleManager.CheckIfTriangleAlreadyExists(t))
{
TriangleManager.Triangles.Add(t);
}
}
else
{
TriangleManager.Triangles.Add(t);
}
}
}
}
}
}
foreach (var p in TriangleManager.Triangles.Select(tr => tr.GetGravityCenter()))
{
var n = new Nod(Id, p);
if (NodManager.Noduri.Count > 0)
{
if (!NodManager.CheckIfNodExists(n))
{
_g.FillEllipse(new SolidBrush(Color.Blue), p.X - 6, p.Y - 6, 12, 12);
NodManager.Noduri.Add(n);
Id++;
}
}
else
{
_g.FillEllipse(new SolidBrush(Color.Blue), p.X - 6, p.Y - 6, 12, 12);
NodManager.Noduri.Add(n);
Id++;
}
}
}
public static bool CanDraw(Point p, Point x)
{
var ls = SegmentsManager.GetSegmentsThatContainsASpecificPoint(p);
var p1 = ls[0].GetTheOtherPoint(p);
var p2 = ls[1].GetTheOtherPoint(p);
var tr = new Triangle(p, p1, p2);
if (TriangleManager.CheckIfAPointIsInsideATriangle(x, tr))
{
return(false);
}
return(true);
}
