public static Siec.Punkt[] Romb(double maxX, double maxY, int margX, int margY, int ilosc)
{
Random r = new Random();
Siec.Punkt[] result = new Siec.Punkt[ilosc];
Siec.Punkt p1, p2, p3, p4;
p1 = new Siec.Punkt(maxX / 2, margY);
p2 = new Siec.Punkt(maxX - margX, maxY / 2);
p3 = new Siec.Punkt(maxX / 2, maxY - margY);
p4 = new Siec.Punkt(margX, maxY / 2);
for (int i = 0; i < ilosc; i++)
{
bool zawieraSie;
do
{
result[i] = new Siec.Punkt(r.NextDouble() * (maxX - 2 * margX) + margX, r.NextDouble() * (maxY - 2 * margY) + margY);
zawieraSie = false;
zawieraSie |= PunktWTrojkacie(result[i], p1, p2, p4); // Górna część rombu
zawieraSie |= PunktWTrojkacie(result[i], p2, p3, p4); // Dolna część rombu
} while (zawieraSie == false);
}
return(result);
}
private static bool PunktWTrojkacie(Siec.Punkt pt, Siec.Punkt p1, Siec.Punkt p2, Siec.Punkt p3)
{
bool result = false;
result |= PunktProsta(pt, p1, p2) < 0.0;
result |= PunktProsta(pt, p2, p3) < 0.0;
result |= PunktProsta(pt, p3, p1) < 0.0;
return(result == false);
}
public static Siec.Punkt[] Prostokat(double maxX, double maxY, int margX, int margY, int ilosc)
{
Random r = new Random();
Siec.Punkt[] result = new Siec.Punkt[ilosc];
for (int i = 0; i < ilosc; i++)
{
result[i] = new Siec.Punkt(r.NextDouble() * (maxX - 2 * margX) + margX, r.NextDouble() * (maxY - 2 * margY) + margY);
}
return(result);
}
public static Siec.Punkt[] Elipsa(double maxX, double maxY, int margX, int margY, int ilosc)
{
Random r = new Random();
Siec.Punkt[] result = new Siec.Punkt[ilosc];
Siec.Punkt e;
e = new Siec.Punkt(maxX / 2, maxY / 2);
for (int i = 0; i < ilosc; i++)
{
do
{
result[i] = new Siec.Punkt(r.NextDouble() * (maxX - 2 * margX) + margX, r.NextDouble() * (maxY - 2 * margY) + margY);
} while (PunktWElipsie(result[i], e, (maxX - 2 * margX) / 2, (maxY - 2 * margY) / 2) == false);
}
return(result);
}
public static Siec.Punkt[] Trojkat(double maxX, double maxY, int margX, int margY, int ilosc)
{
Random r = new Random();
Siec.Punkt[] result = new Siec.Punkt[ilosc];
Siec.Punkt p1, p2, p3;
p1 = new Siec.Punkt(maxX / 2, margY);
p2 = new Siec.Punkt(maxX - margX, maxY - margY);
p3 = new Siec.Punkt(margX, maxY - margY);
for (int i = 0; i < ilosc; i++)
{
do
{
result[i] = new Siec.Punkt(r.NextDouble() * (maxX - 2 * margX) + margX, r.NextDouble() * (maxY - 2 * margY) + margY);
} while (PunktWTrojkacie(result[i], p1, p2, p3) == false);
}
return(result);
}
private static double PunktProsta(Siec.Punkt pt, Siec.Punkt p1, Siec.Punkt p2)
{
return((pt.x - p2.x) * (p1.y - p2.y) - (p1.x - p2.x) * (pt.y - p2.y));
}
private static bool PunktWElipsie(Siec.Punkt pt, Siec.Punkt e, double rx, double ry)
{
return(Math.Pow(pt.x - e.x, 2) / Math.Pow(rx, 2) + Math.Pow(pt.y - e.y, 2) / Math.Pow(ry, 2) <= 1);
}