/*
*
*/
static bool IsPointInPolygon(Bod[] polygon, Bod testPoint)
{
bool result = false;
int j = polygon.Count() - 1;
for (int i = 0; i < polygon.Count(); i++)
{
if (polygon[i].Y < testPoint.Y && polygon[j].Y >= testPoint.Y || polygon[j].Y < testPoint.Y && polygon[i].Y >= testPoint.Y)
{
if (polygon[i].X + (testPoint.Y - polygon[i].Y) / (polygon[j].Y - polygon[i].Y) * (polygon[j].X - polygon[i].X) < testPoint.X)
{
result = !result;
}
}
j = i;
}
return(result);
}
/*
* Metoda na generovani a zmenu polohy produktu
*/
static void ZmenaPolohy()
{
MySqlCommand prikazHra = new MySqlCommand("select * from bakalarka.hra;");
MySqlDataReader dataHra = DBConnector.ProvedeniPrikazuSelect(prikazHra);
double roh1x = 0, roh1y = 0, roh2x = 0, roh2y = 0, roh3x = 0, roh3y = 0, roh4x = 0, roh4y = 0;
while (dataHra.Read())
{
roh1x = (double)dataHra["roh1X"];
roh1y = (double)dataHra["roh1Y"];
roh2x = (double)dataHra["roh2X"];
roh2y = (double)dataHra["roh2Y"];
roh3x = (double)dataHra["roh3X"];
roh3y = (double)dataHra["roh3Y"];
roh4x = (double)dataHra["roh4X"];
roh4y = (double)dataHra["roh4Y"];
Bod[] hraciPole = { new Bod(roh1x, roh1y), new Bod(roh2x, roh2y), new Bod(roh3x, roh3y), new Bod(roh4x, roh4y) };
MySqlCommand prikazProdukty = new MySqlCommand("Select idprodukt from bakalarka.produkt where uroven=1;");
MySqlDataReader data = DBConnector.ProvedeniPrikazuSelect(prikazProdukty);
double[] y = { roh1y, roh2y, roh3y, roh4y };
double yMin = y.Min();
double yMax = y.Max();
double[] x = { roh1x, roh2x, roh3x, roh4x };
double xMin = x.Min();
double xMax = x.Max();
while (data.Read())
{
Boolean prvniSouradnice = true;
Boolean druhaSouradnice = true;
Bod prvni = new Bod();
Bod druha = new Bod();
while (prvniSouradnice) // dokud neni souradnice v polygonu
{
prvni.X = new Random().NextDouble() * (xMax - xMin) + xMin;
prvni.Y = new Random().NextDouble() * (yMax - yMin) + yMin;
if (IsPointInPolygon(hraciPole, prvni))
{
prvniSouradnice = false;
}
}
while (druhaSouradnice) // dokud neni souradnice v polygonu
{
druha.X = new Random().NextDouble() * (xMax - xMin) + xMin;
druha.Y = new Random().NextDouble() * (yMax - yMin) + yMin;
if (IsPointInPolygon(hraciPole, druha))
{
druhaSouradnice = false;
}
}
MySqlCommand prikazPoloha = new MySqlCommand("update bakalarka.polohaProduktu set x1=@x1, y1=@y1, x2=@x2,y2=@y2 where idhra=@idhra and idprodukt=@idprodukt;");
prikazPoloha.Parameters.AddWithValue("@x1", prvni.X);
prikazPoloha.Parameters.AddWithValue("@y1", prvni.Y);
prikazPoloha.Parameters.AddWithValue("@x2", druha.X);
prikazPoloha.Parameters.AddWithValue("@y2", druha.Y);
prikazPoloha.Parameters.AddWithValue("@idhra", (int)dataHra["idhra"]);
prikazPoloha.Parameters.AddWithValue("@idprodukt", (int)data["idprodukt"]);
String prubeh = DBConnector.ProvedeniPrikazuOstatni(prikazPoloha);
Console.WriteLine("Hotovo" + prubeh);
}
}
}
