void draw()
{
//Рисование
double[] matrX = { A.GetX(), B.GetX(), C.GetX() };
double[] matrY = { A.GetY(), B.GetY(), C.GetY() };
XMax = matrX.Max();
XMin = matrX.Min();
YMax = matrY.Max();
YMin = matrY.Min();
try
{
Pen p = new Pen(Color.Blue, 5);// цвет линии и ширина
gr.DrawLine(p, ToScreenX(0), ToScreenY(0), ToScreenX(4), ToScreenY(0));
p.Color = Color.Black;
gr.DrawLine(p, ToScreenX(A.GetX()), ToScreenY(A.GetY()), ToScreenX(B.GetX()), ToScreenY(B.GetY()));
gr.DrawLine(p, ToScreenX(A.GetX()), ToScreenY(A.GetY()), ToScreenX(C.GetX()), ToScreenY(C.GetY()));
gr.DrawLine(p, ToScreenX(C.GetX()), ToScreenY(C.GetY()), ToScreenX(B.GetX()), ToScreenY(B.GetY()));
gr.Dispose();// освобождаем все ресурсы, связанные с отрисовкой
}
catch
{
label2.Text = "Не удолось визуализировать";
}
finally
{
}
}
double dist(Polar f, Polar s)
{
var y0 = GetY();
var x0 = GetX();
var y1 = f.GetY();
var x1 = f.GetX();
var x2 = s.GetX();
var y2 = s.GetY();
return(Math.Abs((y2 - y1) * x0 - (x2 - x1) * y0 + x2 * y1 - y2 * x1) / Math.Sqrt((y2 - y1) * (y2 - y1) + (x2 - x1) * (x2 - x1)));
}