private void button1_Click(object sender, EventArgs e) // кнпка cancel
{
if (points.Count > 0)
{
Point2D p = points.Last();
points.Remove(p);
if (points.Count == 2)
{
selectedTriangle = null;
if (triangulated != null)
{
triangulated.Clear();
}
}
else
{
if (points.Count > 2)
{
selectedTriangle = null;
delaunay = new DelaunayTriangulation(points);
triangulated = delaunay.Triangulate();
triangulatedWithCircles = delaunay.GetCircles(triangulated);
Refresh();
}
}
}
Refresh();
}
public void DrawLines(List <Triangle> Triangles, Graphics g)
{
foreach (Triangle t in Triangles)
{
g.DrawLine(Pens.Black, t.a.x, t.a.y, t.b.x, t.b.y);
g.DrawLine(Pens.Black, t.b.x, t.b.y, t.c.x, t.c.y);
g.DrawLine(Pens.Black, t.c.x, t.c.y, t.a.x, t.a.y);
if (selectedTriangle == t)
{
Circle c = delaunay.GetCircles(new List <Triangle>()
{
selectedTriangle
})[t];
float x = c.center.x - c.radius;
float y = c.center.y - c.radius;
g.DrawEllipse(Pens.LightGray, x, y, 2 * c.radius, 2 * c.radius);
}
if (selectedTriangle != null)
{
continue;
}
{
if (triangulatedWithCircles.ContainsKey(t))
{
Circle c = triangulatedWithCircles[t];
float x = c.center.x - c.radius;
float y = c.center.y - c.radius;
g.DrawEllipse(Pens.LightGray, x, y, 2 * c.radius, 2 * c.radius);
}
}
}
}
private void pictureBox1_MouseUp(object sender, MouseEventArgs e)
{
if (e.Button == MouseButtons.Left)
{
released = true;
if (points.Count > 2)
{
selectedTriangle = null;
delaunay = new DelaunayTriangulation(points);
triangulated = delaunay.Triangulate();
triangulatedWithCircles = delaunay.GetCircles(triangulated);
Refresh();
}
Refresh();
}
}
